glfw3.h (241826B)
1 /************************************************************************* 2 * GLFW 3.4 - www.glfw.org 3 * A library for OpenGL, window and input 4 *------------------------------------------------------------------------ 5 * Copyright (c) 2002-2006 Marcus Geelnard 6 * Copyright (c) 2006-2019 Camilla Löwy <elmindreda@glfw.org> 7 * 8 * This software is provided 'as-is', without any express or implied 9 * warranty. In no event will the authors be held liable for any damages 10 * arising from the use of this software. 11 * 12 * Permission is granted to anyone to use this software for any purpose, 13 * including commercial applications, and to alter it and redistribute it 14 * freely, subject to the following restrictions: 15 * 16 * 1. The origin of this software must not be misrepresented; you must not 17 * claim that you wrote the original software. If you use this software 18 * in a product, an acknowledgment in the product documentation would 19 * be appreciated but is not required. 20 * 21 * 2. Altered source versions must be plainly marked as such, and must not 22 * be misrepresented as being the original software. 23 * 24 * 3. This notice may not be removed or altered from any source 25 * distribution. 26 * 27 *************************************************************************/ 28 29 #ifndef _glfw3_h_ 30 #define _glfw3_h_ 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 37 /************************************************************************* 38 * Doxygen documentation 39 *************************************************************************/ 40 41 /*! @file glfw3.h 42 * @brief The header of the GLFW 3 API. 43 * 44 * This is the header file of the GLFW 3 API. It defines all its types and 45 * declares all its functions. 46 * 47 * For more information about how to use this file, see @ref build_include. 48 */ 49 /*! @defgroup context Context reference 50 * @brief Functions and types related to OpenGL and OpenGL ES contexts. 51 * 52 * This is the reference documentation for OpenGL and OpenGL ES context related 53 * functions. For more task-oriented information, see the @ref context_guide. 54 */ 55 /*! @defgroup vulkan Vulkan support reference 56 * @brief Functions and types related to Vulkan. 57 * 58 * This is the reference documentation for Vulkan related functions and types. 59 * For more task-oriented information, see the @ref vulkan_guide. 60 */ 61 /*! @defgroup init Initialization, version and error reference 62 * @brief Functions and types related to initialization and error handling. 63 * 64 * This is the reference documentation for initialization and termination of 65 * the library, version management and error handling. For more task-oriented 66 * information, see the @ref intro_guide. 67 */ 68 /*! @defgroup input Input reference 69 * @brief Functions and types related to input handling. 70 * 71 * This is the reference documentation for input related functions and types. 72 * For more task-oriented information, see the @ref input_guide. 73 */ 74 /*! @defgroup monitor Monitor reference 75 * @brief Functions and types related to monitors. 76 * 77 * This is the reference documentation for monitor related functions and types. 78 * For more task-oriented information, see the @ref monitor_guide. 79 */ 80 /*! @defgroup window Window reference 81 * @brief Functions and types related to windows. 82 * 83 * This is the reference documentation for window related functions and types, 84 * including creation, deletion and event polling. For more task-oriented 85 * information, see the @ref window_guide. 86 */ 87 88 89 /************************************************************************* 90 * Compiler- and platform-specific preprocessor work 91 *************************************************************************/ 92 93 /* If we are we on Windows, we want a single define for it. 94 */ 95 #if !defined(_WIN32) && (defined(__WIN32__) || defined(WIN32) || defined(__MINGW32__)) 96 #define _WIN32 97 #endif /* _WIN32 */ 98 99 /* Include because most Windows GLU headers need wchar_t and 100 * the macOS OpenGL header blocks the definition of ptrdiff_t by glext.h. 101 * Include it unconditionally to avoid surprising side-effects. 102 */ 103 #include <stddef.h> 104 105 /* Include because it is needed by Vulkan and related functions. 106 * Include it unconditionally to avoid surprising side-effects. 107 */ 108 #include <stdint.h> 109 110 #if defined(GLFW_INCLUDE_VULKAN) 111 #include <vulkan/vulkan.h> 112 #endif /* Vulkan header */ 113 114 /* The Vulkan header may have indirectly included windows.h (because of 115 * VK_USE_PLATFORM_WIN32_KHR) so we offer our replacement symbols after it. 116 */ 117 118 /* It is customary to use APIENTRY for OpenGL function pointer declarations on 119 * all platforms. Additionally, the Windows OpenGL header needs APIENTRY. 120 */ 121 #if !defined(APIENTRY) 122 #if defined(_WIN32) 123 #define APIENTRY __stdcall 124 #else 125 #define APIENTRY 126 #endif 127 #define GLFW_APIENTRY_DEFINED 128 #endif /* APIENTRY */ 129 130 /* Some Windows OpenGL headers need this. 131 */ 132 #if !defined(WINGDIAPI) && defined(_WIN32) 133 #define WINGDIAPI __declspec(dllimport) 134 #define GLFW_WINGDIAPI_DEFINED 135 #endif /* WINGDIAPI */ 136 137 /* Some Windows GLU headers need this. 138 */ 139 #if !defined(CALLBACK) && defined(_WIN32) 140 #define CALLBACK __stdcall 141 #define GLFW_CALLBACK_DEFINED 142 #endif /* CALLBACK */ 143 144 /* Include the chosen OpenGL or OpenGL ES headers. 145 */ 146 #if defined(GLFW_INCLUDE_ES1) 147 148 #include <GLES/gl.h> 149 #if defined(GLFW_INCLUDE_GLEXT) 150 #include <GLES/glext.h> 151 #endif 152 153 #elif defined(GLFW_INCLUDE_ES2) 154 155 #include <GLES2/gl2.h> 156 #if defined(GLFW_INCLUDE_GLEXT) 157 #include <GLES2/gl2ext.h> 158 #endif 159 160 #elif defined(GLFW_INCLUDE_ES3) 161 162 #include <GLES3/gl3.h> 163 #if defined(GLFW_INCLUDE_GLEXT) 164 #include <GLES2/gl2ext.h> 165 #endif 166 167 #elif defined(GLFW_INCLUDE_ES31) 168 169 #include <GLES3/gl31.h> 170 #if defined(GLFW_INCLUDE_GLEXT) 171 #include <GLES2/gl2ext.h> 172 #endif 173 174 #elif defined(GLFW_INCLUDE_ES32) 175 176 #include <GLES3/gl32.h> 177 #if defined(GLFW_INCLUDE_GLEXT) 178 #include <GLES2/gl2ext.h> 179 #endif 180 181 #elif defined(GLFW_INCLUDE_GLCOREARB) 182 183 #if defined(__APPLE__) 184 185 #include <OpenGL/gl3.h> 186 #if defined(GLFW_INCLUDE_GLEXT) 187 #include <OpenGL/gl3ext.h> 188 #endif /*GLFW_INCLUDE_GLEXT*/ 189 190 #else /*__APPLE__*/ 191 192 #include <GL/glcorearb.h> 193 #if defined(GLFW_INCLUDE_GLEXT) 194 #include <GL/glext.h> 195 #endif 196 197 #endif /*__APPLE__*/ 198 199 #elif defined(GLFW_INCLUDE_GLU) 200 201 #if defined(__APPLE__) 202 203 #if defined(GLFW_INCLUDE_GLU) 204 #include <OpenGL/glu.h> 205 #endif 206 207 #else /*__APPLE__*/ 208 209 #if defined(GLFW_INCLUDE_GLU) 210 #include <GL/glu.h> 211 #endif 212 213 #endif /*__APPLE__*/ 214 215 #elif !defined(GLFW_INCLUDE_NONE) && \ 216 !defined(__gl_h_) && \ 217 !defined(__gles1_gl_h_) && \ 218 !defined(__gles2_gl2_h_) && \ 219 !defined(__gles2_gl3_h_) && \ 220 !defined(__gles2_gl31_h_) && \ 221 !defined(__gles2_gl32_h_) && \ 222 !defined(__gl_glcorearb_h_) && \ 223 !defined(__gl2_h_) /*legacy*/ && \ 224 !defined(__gl3_h_) /*legacy*/ && \ 225 !defined(__gl31_h_) /*legacy*/ && \ 226 !defined(__gl32_h_) /*legacy*/ && \ 227 !defined(__glcorearb_h_) /*legacy*/ && \ 228 !defined(__GL_H__) /*non-standard*/ && \ 229 !defined(__gltypes_h_) /*non-standard*/ && \ 230 !defined(__glee_h_) /*non-standard*/ 231 232 #if defined(__APPLE__) 233 234 #if !defined(GLFW_INCLUDE_GLEXT) 235 #define GL_GLEXT_LEGACY 236 #endif 237 #include <OpenGL/gl.h> 238 239 #else /*__APPLE__*/ 240 241 #include <GL/gl.h> 242 #if defined(GLFW_INCLUDE_GLEXT) 243 #include <GL/glext.h> 244 #endif 245 246 #endif /*__APPLE__*/ 247 248 #endif /* OpenGL and OpenGL ES headers */ 249 250 #if defined(GLFW_DLL) && defined(_GLFW_BUILD_DLL) 251 /* GLFW_DLL must be defined by applications that are linking against the DLL 252 * version of the GLFW library. _GLFW_BUILD_DLL is defined by the GLFW 253 * configuration header when compiling the DLL version of the library. 254 */ 255 #error "You must not have both GLFW_DLL and _GLFW_BUILD_DLL defined" 256 #endif 257 258 /* GLFWAPI is used to declare public API functions for export 259 * from the DLL / shared library / dynamic library. 260 */ 261 #if defined(_WIN32) && defined(_GLFW_BUILD_DLL) 262 /* We are building GLFW as a Win32 DLL */ 263 #define GLFWAPI __declspec(dllexport) 264 #elif defined(_WIN32) && defined(GLFW_DLL) 265 /* We are calling a GLFW Win32 DLL */ 266 #define GLFWAPI __declspec(dllimport) 267 #elif defined(__GNUC__) && defined(_GLFW_BUILD_DLL) 268 /* We are building GLFW as a Unix shared library */ 269 #define GLFWAPI __attribute__((visibility("default"))) 270 #else 271 #define GLFWAPI 272 #endif 273 274 275 /************************************************************************* 276 * GLFW API tokens 277 *************************************************************************/ 278 279 /*! @name GLFW version macros 280 * @{ */ 281 /*! @brief The major version number of the GLFW header. 282 * 283 * The major version number of the GLFW header. This is incremented when the 284 * API is changed in non-compatible ways. 285 * @ingroup init 286 */ 287 #define GLFW_VERSION_MAJOR 3 288 /*! @brief The minor version number of the GLFW header. 289 * 290 * The minor version number of the GLFW header. This is incremented when 291 * features are added to the API but it remains backward-compatible. 292 * @ingroup init 293 */ 294 #define GLFW_VERSION_MINOR 4 295 /*! @brief The revision number of the GLFW header. 296 * 297 * The revision number of the GLFW header. This is incremented when a bug fix 298 * release is made that does not contain any API changes. 299 * @ingroup init 300 */ 301 #define GLFW_VERSION_REVISION 0 302 /*! @} */ 303 304 /*! @brief One. 305 * 306 * This is only semantic sugar for the number 1. You can instead use `1` or 307 * `true` or `_True` or `GL_TRUE` or `VK_TRUE` or anything else that is equal 308 * to one. 309 * 310 * @ingroup init 311 */ 312 #define GLFW_TRUE 1 313 /*! @brief Zero. 314 * 315 * This is only semantic sugar for the number 0. You can instead use `0` or 316 * `false` or `_False` or `GL_FALSE` or `VK_FALSE` or anything else that is 317 * equal to zero. 318 * 319 * @ingroup init 320 */ 321 #define GLFW_FALSE 0 322 323 /*! @name Key and button actions 324 * @{ */ 325 /*! @brief The key or mouse button was released. 326 * 327 * The key or mouse button was released. 328 * 329 * @ingroup input 330 */ 331 #define GLFW_RELEASE 0 332 /*! @brief The key or mouse button was pressed. 333 * 334 * The key or mouse button was pressed. 335 * 336 * @ingroup input 337 */ 338 #define GLFW_PRESS 1 339 /*! @brief The key was held down until it repeated. 340 * 341 * The key was held down until it repeated. 342 * 343 * @ingroup input 344 */ 345 #define GLFW_REPEAT 2 346 /*! @} */ 347 348 /*! @defgroup hat_state Joystick hat states 349 * @brief Joystick hat states. 350 * 351 * See [joystick hat input](@ref joystick_hat) for how these are used. 352 * 353 * @ingroup input 354 * @{ */ 355 #define GLFW_HAT_CENTERED 0 356 #define GLFW_HAT_UP 1 357 #define GLFW_HAT_RIGHT 2 358 #define GLFW_HAT_DOWN 4 359 #define GLFW_HAT_LEFT 8 360 #define GLFW_HAT_RIGHT_UP (GLFW_HAT_RIGHT | GLFW_HAT_UP) 361 #define GLFW_HAT_RIGHT_DOWN (GLFW_HAT_RIGHT | GLFW_HAT_DOWN) 362 #define GLFW_HAT_LEFT_UP (GLFW_HAT_LEFT | GLFW_HAT_UP) 363 #define GLFW_HAT_LEFT_DOWN (GLFW_HAT_LEFT | GLFW_HAT_DOWN) 364 365 /*! @ingroup input 366 */ 367 #define GLFW_KEY_UNKNOWN -1 368 369 /*! @} */ 370 371 /*! @defgroup keys Keyboard key tokens 372 * @brief Keyboard key tokens. 373 * 374 * See [key input](@ref input_key) for how these are used. 375 * 376 * These key codes are inspired by the _USB HID Usage Tables v1.12_ (p. 53-60), 377 * but re-arranged to map to 7-bit ASCII for printable keys (function keys are 378 * put in the 256+ range). 379 * 380 * The naming of the key codes follow these rules: 381 * - The US keyboard layout is used 382 * - Names of printable alphanumeric characters are used (e.g. "A", "R", 383 * "3", etc.) 384 * - For non-alphanumeric characters, Unicode:ish names are used (e.g. 385 * "COMMA", "LEFT_SQUARE_BRACKET", etc.). Note that some names do not 386 * correspond to the Unicode standard (usually for brevity) 387 * - Keys that lack a clear US mapping are named "WORLD_x" 388 * - For non-printable keys, custom names are used (e.g. "F4", 389 * "BACKSPACE", etc.) 390 * 391 * @ingroup input 392 * @{ 393 */ 394 395 /* Printable keys */ 396 #define GLFW_KEY_SPACE 32 397 #define GLFW_KEY_APOSTROPHE 39 /* ' */ 398 #define GLFW_KEY_COMMA 44 /* , */ 399 #define GLFW_KEY_MINUS 45 /* - */ 400 #define GLFW_KEY_PERIOD 46 /* . */ 401 #define GLFW_KEY_SLASH 47 /* / */ 402 #define GLFW_KEY_0 48 403 #define GLFW_KEY_1 49 404 #define GLFW_KEY_2 50 405 #define GLFW_KEY_3 51 406 #define GLFW_KEY_4 52 407 #define GLFW_KEY_5 53 408 #define GLFW_KEY_6 54 409 #define GLFW_KEY_7 55 410 #define GLFW_KEY_8 56 411 #define GLFW_KEY_9 57 412 #define GLFW_KEY_SEMICOLON 59 /* ; */ 413 #define GLFW_KEY_EQUAL 61 /* = */ 414 #define GLFW_KEY_A 65 415 #define GLFW_KEY_B 66 416 #define GLFW_KEY_C 67 417 #define GLFW_KEY_D 68 418 #define GLFW_KEY_E 69 419 #define GLFW_KEY_F 70 420 #define GLFW_KEY_G 71 421 #define GLFW_KEY_H 72 422 #define GLFW_KEY_I 73 423 #define GLFW_KEY_J 74 424 #define GLFW_KEY_K 75 425 #define GLFW_KEY_L 76 426 #define GLFW_KEY_M 77 427 #define GLFW_KEY_N 78 428 #define GLFW_KEY_O 79 429 #define GLFW_KEY_P 80 430 #define GLFW_KEY_Q 81 431 #define GLFW_KEY_R 82 432 #define GLFW_KEY_S 83 433 #define GLFW_KEY_T 84 434 #define GLFW_KEY_U 85 435 #define GLFW_KEY_V 86 436 #define GLFW_KEY_W 87 437 #define GLFW_KEY_X 88 438 #define GLFW_KEY_Y 89 439 #define GLFW_KEY_Z 90 440 #define GLFW_KEY_LEFT_BRACKET 91 /* [ */ 441 #define GLFW_KEY_BACKSLASH 92 /* \ */ 442 #define GLFW_KEY_RIGHT_BRACKET 93 /* ] */ 443 #define GLFW_KEY_GRAVE_ACCENT 96 /* ` */ 444 #define GLFW_KEY_WORLD_1 161 /* non-US #1 */ 445 #define GLFW_KEY_WORLD_2 162 /* non-US #2 */ 446 447 /* Function keys */ 448 #define GLFW_KEY_ESCAPE 256 449 #define GLFW_KEY_ENTER 257 450 #define GLFW_KEY_TAB 258 451 #define GLFW_KEY_BACKSPACE 259 452 #define GLFW_KEY_INSERT 260 453 #define GLFW_KEY_DELETE 261 454 #define GLFW_KEY_RIGHT 262 455 #define GLFW_KEY_LEFT 263 456 #define GLFW_KEY_DOWN 264 457 #define GLFW_KEY_UP 265 458 #define GLFW_KEY_PAGE_UP 266 459 #define GLFW_KEY_PAGE_DOWN 267 460 #define GLFW_KEY_HOME 268 461 #define GLFW_KEY_END 269 462 #define GLFW_KEY_CAPS_LOCK 280 463 #define GLFW_KEY_SCROLL_LOCK 281 464 #define GLFW_KEY_NUM_LOCK 282 465 #define GLFW_KEY_PRINT_SCREEN 283 466 #define GLFW_KEY_PAUSE 284 467 #define GLFW_KEY_F1 290 468 #define GLFW_KEY_F2 291 469 #define GLFW_KEY_F3 292 470 #define GLFW_KEY_F4 293 471 #define GLFW_KEY_F5 294 472 #define GLFW_KEY_F6 295 473 #define GLFW_KEY_F7 296 474 #define GLFW_KEY_F8 297 475 #define GLFW_KEY_F9 298 476 #define GLFW_KEY_F10 299 477 #define GLFW_KEY_F11 300 478 #define GLFW_KEY_F12 301 479 #define GLFW_KEY_F13 302 480 #define GLFW_KEY_F14 303 481 #define GLFW_KEY_F15 304 482 #define GLFW_KEY_F16 305 483 #define GLFW_KEY_F17 306 484 #define GLFW_KEY_F18 307 485 #define GLFW_KEY_F19 308 486 #define GLFW_KEY_F20 309 487 #define GLFW_KEY_F21 310 488 #define GLFW_KEY_F22 311 489 #define GLFW_KEY_F23 312 490 #define GLFW_KEY_F24 313 491 #define GLFW_KEY_F25 314 492 #define GLFW_KEY_KP_0 320 493 #define GLFW_KEY_KP_1 321 494 #define GLFW_KEY_KP_2 322 495 #define GLFW_KEY_KP_3 323 496 #define GLFW_KEY_KP_4 324 497 #define GLFW_KEY_KP_5 325 498 #define GLFW_KEY_KP_6 326 499 #define GLFW_KEY_KP_7 327 500 #define GLFW_KEY_KP_8 328 501 #define GLFW_KEY_KP_9 329 502 #define GLFW_KEY_KP_DECIMAL 330 503 #define GLFW_KEY_KP_DIVIDE 331 504 #define GLFW_KEY_KP_MULTIPLY 332 505 #define GLFW_KEY_KP_SUBTRACT 333 506 #define GLFW_KEY_KP_ADD 334 507 #define GLFW_KEY_KP_ENTER 335 508 #define GLFW_KEY_KP_EQUAL 336 509 #define GLFW_KEY_LEFT_SHIFT 340 510 #define GLFW_KEY_LEFT_CONTROL 341 511 #define GLFW_KEY_LEFT_ALT 342 512 #define GLFW_KEY_LEFT_SUPER 343 513 #define GLFW_KEY_RIGHT_SHIFT 344 514 #define GLFW_KEY_RIGHT_CONTROL 345 515 #define GLFW_KEY_RIGHT_ALT 346 516 #define GLFW_KEY_RIGHT_SUPER 347 517 #define GLFW_KEY_MENU 348 518 519 #define GLFW_KEY_LAST GLFW_KEY_MENU 520 521 /*! @} */ 522 523 /*! @defgroup mods Modifier key flags 524 * @brief Modifier key flags. 525 * 526 * See [key input](@ref input_key) for how these are used. 527 * 528 * @ingroup input 529 * @{ */ 530 531 /*! @brief If this bit is set one or more Shift keys were held down. 532 * 533 * If this bit is set one or more Shift keys were held down. 534 */ 535 #define GLFW_MOD_SHIFT 0x0001 536 /*! @brief If this bit is set one or more Control keys were held down. 537 * 538 * If this bit is set one or more Control keys were held down. 539 */ 540 #define GLFW_MOD_CONTROL 0x0002 541 /*! @brief If this bit is set one or more Alt keys were held down. 542 * 543 * If this bit is set one or more Alt keys were held down. 544 */ 545 #define GLFW_MOD_ALT 0x0004 546 /*! @brief If this bit is set one or more Super keys were held down. 547 * 548 * If this bit is set one or more Super keys were held down. 549 */ 550 #define GLFW_MOD_SUPER 0x0008 551 /*! @brief If this bit is set the Caps Lock key is enabled. 552 * 553 * If this bit is set the Caps Lock key is enabled and the @ref 554 * GLFW_LOCK_KEY_MODS input mode is set. 555 */ 556 #define GLFW_MOD_CAPS_LOCK 0x0010 557 /*! @brief If this bit is set the Num Lock key is enabled. 558 * 559 * If this bit is set the Num Lock key is enabled and the @ref 560 * GLFW_LOCK_KEY_MODS input mode is set. 561 */ 562 #define GLFW_MOD_NUM_LOCK 0x0020 563 564 /*! @} */ 565 566 /*! @defgroup buttons Mouse buttons 567 * @brief Mouse button IDs. 568 * 569 * See [mouse button input](@ref input_mouse_button) for how these are used. 570 * 571 * @ingroup input 572 * @{ */ 573 #define GLFW_MOUSE_BUTTON_1 0 574 #define GLFW_MOUSE_BUTTON_2 1 575 #define GLFW_MOUSE_BUTTON_3 2 576 #define GLFW_MOUSE_BUTTON_4 3 577 #define GLFW_MOUSE_BUTTON_5 4 578 #define GLFW_MOUSE_BUTTON_6 5 579 #define GLFW_MOUSE_BUTTON_7 6 580 #define GLFW_MOUSE_BUTTON_8 7 581 #define GLFW_MOUSE_BUTTON_LAST GLFW_MOUSE_BUTTON_8 582 #define GLFW_MOUSE_BUTTON_LEFT GLFW_MOUSE_BUTTON_1 583 #define GLFW_MOUSE_BUTTON_RIGHT GLFW_MOUSE_BUTTON_2 584 #define GLFW_MOUSE_BUTTON_MIDDLE GLFW_MOUSE_BUTTON_3 585 /*! @} */ 586 587 /*! @defgroup joysticks Joysticks 588 * @brief Joystick IDs. 589 * 590 * See [joystick input](@ref joystick) for how these are used. 591 * 592 * @ingroup input 593 * @{ */ 594 #define GLFW_JOYSTICK_1 0 595 #define GLFW_JOYSTICK_2 1 596 #define GLFW_JOYSTICK_3 2 597 #define GLFW_JOYSTICK_4 3 598 #define GLFW_JOYSTICK_5 4 599 #define GLFW_JOYSTICK_6 5 600 #define GLFW_JOYSTICK_7 6 601 #define GLFW_JOYSTICK_8 7 602 #define GLFW_JOYSTICK_9 8 603 #define GLFW_JOYSTICK_10 9 604 #define GLFW_JOYSTICK_11 10 605 #define GLFW_JOYSTICK_12 11 606 #define GLFW_JOYSTICK_13 12 607 #define GLFW_JOYSTICK_14 13 608 #define GLFW_JOYSTICK_15 14 609 #define GLFW_JOYSTICK_16 15 610 #define GLFW_JOYSTICK_LAST GLFW_JOYSTICK_16 611 /*! @} */ 612 613 /*! @defgroup gamepad_buttons Gamepad buttons 614 * @brief Gamepad buttons. 615 * 616 * See @ref gamepad for how these are used. 617 * 618 * @ingroup input 619 * @{ */ 620 #define GLFW_GAMEPAD_BUTTON_A 0 621 #define GLFW_GAMEPAD_BUTTON_B 1 622 #define GLFW_GAMEPAD_BUTTON_X 2 623 #define GLFW_GAMEPAD_BUTTON_Y 3 624 #define GLFW_GAMEPAD_BUTTON_LEFT_BUMPER 4 625 #define GLFW_GAMEPAD_BUTTON_RIGHT_BUMPER 5 626 #define GLFW_GAMEPAD_BUTTON_BACK 6 627 #define GLFW_GAMEPAD_BUTTON_START 7 628 #define GLFW_GAMEPAD_BUTTON_GUIDE 8 629 #define GLFW_GAMEPAD_BUTTON_LEFT_THUMB 9 630 #define GLFW_GAMEPAD_BUTTON_RIGHT_THUMB 10 631 #define GLFW_GAMEPAD_BUTTON_DPAD_UP 11 632 #define GLFW_GAMEPAD_BUTTON_DPAD_RIGHT 12 633 #define GLFW_GAMEPAD_BUTTON_DPAD_DOWN 13 634 #define GLFW_GAMEPAD_BUTTON_DPAD_LEFT 14 635 #define GLFW_GAMEPAD_BUTTON_LAST GLFW_GAMEPAD_BUTTON_DPAD_LEFT 636 637 #define GLFW_GAMEPAD_BUTTON_CROSS GLFW_GAMEPAD_BUTTON_A 638 #define GLFW_GAMEPAD_BUTTON_CIRCLE GLFW_GAMEPAD_BUTTON_B 639 #define GLFW_GAMEPAD_BUTTON_SQUARE GLFW_GAMEPAD_BUTTON_X 640 #define GLFW_GAMEPAD_BUTTON_TRIANGLE GLFW_GAMEPAD_BUTTON_Y 641 /*! @} */ 642 643 /*! @defgroup gamepad_axes Gamepad axes 644 * @brief Gamepad axes. 645 * 646 * See @ref gamepad for how these are used. 647 * 648 * @ingroup input 649 * @{ */ 650 #define GLFW_GAMEPAD_AXIS_LEFT_X 0 651 #define GLFW_GAMEPAD_AXIS_LEFT_Y 1 652 #define GLFW_GAMEPAD_AXIS_RIGHT_X 2 653 #define GLFW_GAMEPAD_AXIS_RIGHT_Y 3 654 #define GLFW_GAMEPAD_AXIS_LEFT_TRIGGER 4 655 #define GLFW_GAMEPAD_AXIS_RIGHT_TRIGGER 5 656 #define GLFW_GAMEPAD_AXIS_LAST GLFW_GAMEPAD_AXIS_RIGHT_TRIGGER 657 /*! @} */ 658 659 /*! @defgroup errors Error codes 660 * @brief Error codes. 661 * 662 * See [error handling](@ref error_handling) for how these are used. 663 * 664 * @ingroup init 665 * @{ */ 666 /*! @brief No error has occurred. 667 * 668 * No error has occurred. 669 * 670 * @analysis Yay. 671 */ 672 #define GLFW_NO_ERROR 0 673 /*! @brief GLFW has not been initialized. 674 * 675 * This occurs if a GLFW function was called that must not be called unless the 676 * library is [initialized](@ref intro_init). 677 * 678 * @analysis Application programmer error. Initialize GLFW before calling any 679 * function that requires initialization. 680 */ 681 #define GLFW_NOT_INITIALIZED 0x00010001 682 /*! @brief No context is current for this thread. 683 * 684 * This occurs if a GLFW function was called that needs and operates on the 685 * current OpenGL or OpenGL ES context but no context is current on the calling 686 * thread. One such function is @ref glfwSwapInterval. 687 * 688 * @analysis Application programmer error. Ensure a context is current before 689 * calling functions that require a current context. 690 */ 691 #define GLFW_NO_CURRENT_CONTEXT 0x00010002 692 /*! @brief One of the arguments to the function was an invalid enum value. 693 * 694 * One of the arguments to the function was an invalid enum value, for example 695 * requesting @ref GLFW_RED_BITS with @ref glfwGetWindowAttrib. 696 * 697 * @analysis Application programmer error. Fix the offending call. 698 */ 699 #define GLFW_INVALID_ENUM 0x00010003 700 /*! @brief One of the arguments to the function was an invalid value. 701 * 702 * One of the arguments to the function was an invalid value, for example 703 * requesting a non-existent OpenGL or OpenGL ES version like 2.7. 704 * 705 * Requesting a valid but unavailable OpenGL or OpenGL ES version will instead 706 * result in a @ref GLFW_VERSION_UNAVAILABLE error. 707 * 708 * @analysis Application programmer error. Fix the offending call. 709 */ 710 #define GLFW_INVALID_VALUE 0x00010004 711 /*! @brief A memory allocation failed. 712 * 713 * A memory allocation failed. 714 * 715 * @analysis A bug in GLFW or the underlying operating system. Report the bug 716 * to our [issue tracker](https://github.com/glfw/glfw/issues). 717 */ 718 #define GLFW_OUT_OF_MEMORY 0x00010005 719 /*! @brief GLFW could not find support for the requested API on the system. 720 * 721 * GLFW could not find support for the requested API on the system. 722 * 723 * @analysis The installed graphics driver does not support the requested 724 * API, or does not support it via the chosen context creation API. 725 * Below are a few examples. 726 * 727 * @par 728 * Some pre-installed Windows graphics drivers do not support OpenGL. AMD only 729 * supports OpenGL ES via EGL, while Nvidia and Intel only support it via 730 * a WGL or GLX extension. macOS does not provide OpenGL ES at all. The Mesa 731 * EGL, OpenGL and OpenGL ES libraries do not interface with the Nvidia binary 732 * driver. Older graphics drivers do not support Vulkan. 733 */ 734 #define GLFW_API_UNAVAILABLE 0x00010006 735 /*! @brief The requested OpenGL or OpenGL ES version is not available. 736 * 737 * The requested OpenGL or OpenGL ES version (including any requested context 738 * or framebuffer hints) is not available on this machine. 739 * 740 * @analysis The machine does not support your requirements. If your 741 * application is sufficiently flexible, downgrade your requirements and try 742 * again. Otherwise, inform the user that their machine does not match your 743 * requirements. 744 * 745 * @par 746 * Future invalid OpenGL and OpenGL ES versions, for example OpenGL 4.8 if 5.0 747 * comes out before the 4.x series gets that far, also fail with this error and 748 * not @ref GLFW_INVALID_VALUE, because GLFW cannot know what future versions 749 * will exist. 750 */ 751 #define GLFW_VERSION_UNAVAILABLE 0x00010007 752 /*! @brief A platform-specific error occurred that does not match any of the 753 * more specific categories. 754 * 755 * A platform-specific error occurred that does not match any of the more 756 * specific categories. 757 * 758 * @analysis A bug or configuration error in GLFW, the underlying operating 759 * system or its drivers, or a lack of required resources. Report the issue to 760 * our [issue tracker](https://github.com/glfw/glfw/issues). 761 */ 762 #define GLFW_PLATFORM_ERROR 0x00010008 763 /*! @brief The requested format is not supported or available. 764 * 765 * If emitted during window creation, the requested pixel format is not 766 * supported. 767 * 768 * If emitted when querying the clipboard, the contents of the clipboard could 769 * not be converted to the requested format. 770 * 771 * @analysis If emitted during window creation, one or more 772 * [hard constraints](@ref window_hints_hard) did not match any of the 773 * available pixel formats. If your application is sufficiently flexible, 774 * downgrade your requirements and try again. Otherwise, inform the user that 775 * their machine does not match your requirements. 776 * 777 * @par 778 * If emitted when querying the clipboard, ignore the error or report it to 779 * the user, as appropriate. 780 */ 781 #define GLFW_FORMAT_UNAVAILABLE 0x00010009 782 /*! @brief The specified window does not have an OpenGL or OpenGL ES context. 783 * 784 * A window that does not have an OpenGL or OpenGL ES context was passed to 785 * a function that requires it to have one. 786 * 787 * @analysis Application programmer error. Fix the offending call. 788 */ 789 #define GLFW_NO_WINDOW_CONTEXT 0x0001000A 790 /*! @brief The specified cursor shape is not available. 791 * 792 * The specified standard cursor shape is not available, either because the 793 * current platform cursor theme does not provide it or because it is not 794 * available on the platform. 795 * 796 * @analysis Platform or system settings limitation. Pick another 797 * [standard cursor shape](@ref shapes) or create a 798 * [custom cursor](@ref cursor_custom). 799 */ 800 #define GLFW_CURSOR_UNAVAILABLE 0x0001000B 801 /*! @brief The requested feature is not provided by the platform. 802 * 803 * The requested feature is not provided by the platform, so GLFW is unable to 804 * implement it. The documentation for each function notes if it could emit 805 * this error. 806 * 807 * @analysis Platform or platform version limitation. The error can be ignored 808 * unless the feature is critical to the application. 809 * 810 * @par 811 * A function call that emits this error has no effect other than the error and 812 * updating any existing out parameters. 813 */ 814 #define GLFW_FEATURE_UNAVAILABLE 0x0001000C 815 /*! @brief The requested feature is not implemented for the platform. 816 * 817 * The requested feature has not yet been implemented in GLFW for this platform. 818 * 819 * @analysis An incomplete implementation of GLFW for this platform, hopefully 820 * fixed in a future release. The error can be ignored unless the feature is 821 * critical to the application. 822 * 823 * @par 824 * A function call that emits this error has no effect other than the error and 825 * updating any existing out parameters. 826 */ 827 #define GLFW_FEATURE_UNIMPLEMENTED 0x0001000D 828 /*! @brief Platform unavailable or no matching platform was found. 829 * 830 * If emitted during initialization, no matching platform was found. If the @ref 831 * GLFW_PLATFORM init hint was set to `GLFW_ANY_PLATFORM`, GLFW could not detect any of 832 * the platforms supported by this library binary, except for the Null platform. If the 833 * init hint was set to a specific platform, it is either not supported by this library 834 * binary or GLFW was not able to detect it. 835 * 836 * If emitted by a native access function, GLFW was initialized for a different platform 837 * than the function is for. 838 * 839 * @analysis Failure to detect any platform usually only happens on non-macOS Unix 840 * systems, either when no window system is running or the program was run from 841 * a terminal that does not have the necessary environment variables. Fall back to 842 * a different platform if possible or notify the user that no usable platform was 843 * detected. 844 * 845 * Failure to detect a specific platform may have the same cause as above or be because 846 * support for that platform was not compiled in. Call @ref glfwPlatformSupported to 847 * check whether a specific platform is supported by a library binary. 848 */ 849 #define GLFW_PLATFORM_UNAVAILABLE 0x0001000E 850 /*! @} */ 851 852 /*! @addtogroup window 853 * @{ */ 854 /*! @brief Input focus window hint and attribute 855 * 856 * Input focus [window hint](@ref GLFW_FOCUSED_hint) or 857 * [window attribute](@ref GLFW_FOCUSED_attrib). 858 */ 859 #define GLFW_FOCUSED 0x00020001 860 /*! @brief Window iconification window attribute 861 * 862 * Window iconification [window attribute](@ref GLFW_ICONIFIED_attrib). 863 */ 864 #define GLFW_ICONIFIED 0x00020002 865 /*! @brief Window resize-ability window hint and attribute 866 * 867 * Window resize-ability [window hint](@ref GLFW_RESIZABLE_hint) and 868 * [window attribute](@ref GLFW_RESIZABLE_attrib). 869 */ 870 #define GLFW_RESIZABLE 0x00020003 871 /*! @brief Window visibility window hint and attribute 872 * 873 * Window visibility [window hint](@ref GLFW_VISIBLE_hint) and 874 * [window attribute](@ref GLFW_VISIBLE_attrib). 875 */ 876 #define GLFW_VISIBLE 0x00020004 877 /*! @brief Window decoration window hint and attribute 878 * 879 * Window decoration [window hint](@ref GLFW_DECORATED_hint) and 880 * [window attribute](@ref GLFW_DECORATED_attrib). 881 */ 882 #define GLFW_DECORATED 0x00020005 883 /*! @brief Window auto-iconification window hint and attribute 884 * 885 * Window auto-iconification [window hint](@ref GLFW_AUTO_ICONIFY_hint) and 886 * [window attribute](@ref GLFW_AUTO_ICONIFY_attrib). 887 */ 888 #define GLFW_AUTO_ICONIFY 0x00020006 889 /*! @brief Window decoration window hint and attribute 890 * 891 * Window decoration [window hint](@ref GLFW_FLOATING_hint) and 892 * [window attribute](@ref GLFW_FLOATING_attrib). 893 */ 894 #define GLFW_FLOATING 0x00020007 895 /*! @brief Window maximization window hint and attribute 896 * 897 * Window maximization [window hint](@ref GLFW_MAXIMIZED_hint) and 898 * [window attribute](@ref GLFW_MAXIMIZED_attrib). 899 */ 900 #define GLFW_MAXIMIZED 0x00020008 901 /*! @brief Cursor centering window hint 902 * 903 * Cursor centering [window hint](@ref GLFW_CENTER_CURSOR_hint). 904 */ 905 #define GLFW_CENTER_CURSOR 0x00020009 906 /*! @brief Window framebuffer transparency hint and attribute 907 * 908 * Window framebuffer transparency 909 * [window hint](@ref GLFW_TRANSPARENT_FRAMEBUFFER_hint) and 910 * [window attribute](@ref GLFW_TRANSPARENT_FRAMEBUFFER_attrib). 911 */ 912 #define GLFW_TRANSPARENT_FRAMEBUFFER 0x0002000A 913 /*! @brief Mouse cursor hover window attribute. 914 * 915 * Mouse cursor hover [window attribute](@ref GLFW_HOVERED_attrib). 916 */ 917 #define GLFW_HOVERED 0x0002000B 918 /*! @brief Input focus on calling show window hint and attribute 919 * 920 * Input focus [window hint](@ref GLFW_FOCUS_ON_SHOW_hint) or 921 * [window attribute](@ref GLFW_FOCUS_ON_SHOW_attrib). 922 */ 923 #define GLFW_FOCUS_ON_SHOW 0x0002000C 924 925 /*! @brief Mouse input transparency window hint and attribute 926 * 927 * Mouse input transparency [window hint](@ref GLFW_MOUSE_PASSTHROUGH_hint) or 928 * [window attribute](@ref GLFW_MOUSE_PASSTHROUGH_attrib). 929 */ 930 #define GLFW_MOUSE_PASSTHROUGH 0x0002000D 931 932 /*! @brief Initial position x-coordinate window hint. 933 * 934 * Initial position x-coordinate [window hint](@ref GLFW_POSITION_X). 935 */ 936 #define GLFW_POSITION_X 0x0002000E 937 938 /*! @brief Initial position y-coordinate window hint. 939 * 940 * Initial position y-coordinate [window hint](@ref GLFW_POSITION_Y). 941 */ 942 #define GLFW_POSITION_Y 0x0002000F 943 944 /*! @brief Framebuffer bit depth hint. 945 * 946 * Framebuffer bit depth [hint](@ref GLFW_RED_BITS). 947 */ 948 #define GLFW_RED_BITS 0x00021001 949 /*! @brief Framebuffer bit depth hint. 950 * 951 * Framebuffer bit depth [hint](@ref GLFW_GREEN_BITS). 952 */ 953 #define GLFW_GREEN_BITS 0x00021002 954 /*! @brief Framebuffer bit depth hint. 955 * 956 * Framebuffer bit depth [hint](@ref GLFW_BLUE_BITS). 957 */ 958 #define GLFW_BLUE_BITS 0x00021003 959 /*! @brief Framebuffer bit depth hint. 960 * 961 * Framebuffer bit depth [hint](@ref GLFW_ALPHA_BITS). 962 */ 963 #define GLFW_ALPHA_BITS 0x00021004 964 /*! @brief Framebuffer bit depth hint. 965 * 966 * Framebuffer bit depth [hint](@ref GLFW_DEPTH_BITS). 967 */ 968 #define GLFW_DEPTH_BITS 0x00021005 969 /*! @brief Framebuffer bit depth hint. 970 * 971 * Framebuffer bit depth [hint](@ref GLFW_STENCIL_BITS). 972 */ 973 #define GLFW_STENCIL_BITS 0x00021006 974 /*! @brief Framebuffer bit depth hint. 975 * 976 * Framebuffer bit depth [hint](@ref GLFW_ACCUM_RED_BITS). 977 */ 978 #define GLFW_ACCUM_RED_BITS 0x00021007 979 /*! @brief Framebuffer bit depth hint. 980 * 981 * Framebuffer bit depth [hint](@ref GLFW_ACCUM_GREEN_BITS). 982 */ 983 #define GLFW_ACCUM_GREEN_BITS 0x00021008 984 /*! @brief Framebuffer bit depth hint. 985 * 986 * Framebuffer bit depth [hint](@ref GLFW_ACCUM_BLUE_BITS). 987 */ 988 #define GLFW_ACCUM_BLUE_BITS 0x00021009 989 /*! @brief Framebuffer bit depth hint. 990 * 991 * Framebuffer bit depth [hint](@ref GLFW_ACCUM_ALPHA_BITS). 992 */ 993 #define GLFW_ACCUM_ALPHA_BITS 0x0002100A 994 /*! @brief Framebuffer auxiliary buffer hint. 995 * 996 * Framebuffer auxiliary buffer [hint](@ref GLFW_AUX_BUFFERS). 997 */ 998 #define GLFW_AUX_BUFFERS 0x0002100B 999 /*! @brief OpenGL stereoscopic rendering hint. 1000 * 1001 * OpenGL stereoscopic rendering [hint](@ref GLFW_STEREO). 1002 */ 1003 #define GLFW_STEREO 0x0002100C 1004 /*! @brief Framebuffer MSAA samples hint. 1005 * 1006 * Framebuffer MSAA samples [hint](@ref GLFW_SAMPLES). 1007 */ 1008 #define GLFW_SAMPLES 0x0002100D 1009 /*! @brief Framebuffer sRGB hint. 1010 * 1011 * Framebuffer sRGB [hint](@ref GLFW_SRGB_CAPABLE). 1012 */ 1013 #define GLFW_SRGB_CAPABLE 0x0002100E 1014 /*! @brief Monitor refresh rate hint. 1015 * 1016 * Monitor refresh rate [hint](@ref GLFW_REFRESH_RATE). 1017 */ 1018 #define GLFW_REFRESH_RATE 0x0002100F 1019 /*! @brief Framebuffer double buffering hint and attribute. 1020 * 1021 * Framebuffer double buffering [hint](@ref GLFW_DOUBLEBUFFER_hint) and 1022 * [attribute](@ref GLFW_DOUBLEBUFFER_attrib). 1023 */ 1024 #define GLFW_DOUBLEBUFFER 0x00021010 1025 1026 /*! @brief Context client API hint and attribute. 1027 * 1028 * Context client API [hint](@ref GLFW_CLIENT_API_hint) and 1029 * [attribute](@ref GLFW_CLIENT_API_attrib). 1030 */ 1031 #define GLFW_CLIENT_API 0x00022001 1032 /*! @brief Context client API major version hint and attribute. 1033 * 1034 * Context client API major version [hint](@ref GLFW_CONTEXT_VERSION_MAJOR_hint) 1035 * and [attribute](@ref GLFW_CONTEXT_VERSION_MAJOR_attrib). 1036 */ 1037 #define GLFW_CONTEXT_VERSION_MAJOR 0x00022002 1038 /*! @brief Context client API minor version hint and attribute. 1039 * 1040 * Context client API minor version [hint](@ref GLFW_CONTEXT_VERSION_MINOR_hint) 1041 * and [attribute](@ref GLFW_CONTEXT_VERSION_MINOR_attrib). 1042 */ 1043 #define GLFW_CONTEXT_VERSION_MINOR 0x00022003 1044 /*! @brief Context client API revision number attribute. 1045 * 1046 * Context client API revision number 1047 * [attribute](@ref GLFW_CONTEXT_REVISION_attrib). 1048 */ 1049 #define GLFW_CONTEXT_REVISION 0x00022004 1050 /*! @brief Context robustness hint and attribute. 1051 * 1052 * Context client API revision number [hint](@ref GLFW_CONTEXT_ROBUSTNESS_hint) 1053 * and [attribute](@ref GLFW_CONTEXT_ROBUSTNESS_attrib). 1054 */ 1055 #define GLFW_CONTEXT_ROBUSTNESS 0x00022005 1056 /*! @brief OpenGL forward-compatibility hint and attribute. 1057 * 1058 * OpenGL forward-compatibility [hint](@ref GLFW_OPENGL_FORWARD_COMPAT_hint) 1059 * and [attribute](@ref GLFW_OPENGL_FORWARD_COMPAT_attrib). 1060 */ 1061 #define GLFW_OPENGL_FORWARD_COMPAT 0x00022006 1062 /*! @brief Debug mode context hint and attribute. 1063 * 1064 * Debug mode context [hint](@ref GLFW_CONTEXT_DEBUG_hint) and 1065 * [attribute](@ref GLFW_CONTEXT_DEBUG_attrib). 1066 */ 1067 #define GLFW_CONTEXT_DEBUG 0x00022007 1068 /*! @brief Legacy name for compatibility. 1069 * 1070 * This is an alias for compatibility with earlier versions. 1071 */ 1072 #define GLFW_OPENGL_DEBUG_CONTEXT GLFW_CONTEXT_DEBUG 1073 /*! @brief OpenGL profile hint and attribute. 1074 * 1075 * OpenGL profile [hint](@ref GLFW_OPENGL_PROFILE_hint) and 1076 * [attribute](@ref GLFW_OPENGL_PROFILE_attrib). 1077 */ 1078 #define GLFW_OPENGL_PROFILE 0x00022008 1079 /*! @brief Context flush-on-release hint and attribute. 1080 * 1081 * Context flush-on-release [hint](@ref GLFW_CONTEXT_RELEASE_BEHAVIOR_hint) and 1082 * [attribute](@ref GLFW_CONTEXT_RELEASE_BEHAVIOR_attrib). 1083 */ 1084 #define GLFW_CONTEXT_RELEASE_BEHAVIOR 0x00022009 1085 /*! @brief Context error suppression hint and attribute. 1086 * 1087 * Context error suppression [hint](@ref GLFW_CONTEXT_NO_ERROR_hint) and 1088 * [attribute](@ref GLFW_CONTEXT_NO_ERROR_attrib). 1089 */ 1090 #define GLFW_CONTEXT_NO_ERROR 0x0002200A 1091 /*! @brief Context creation API hint and attribute. 1092 * 1093 * Context creation API [hint](@ref GLFW_CONTEXT_CREATION_API_hint) and 1094 * [attribute](@ref GLFW_CONTEXT_CREATION_API_attrib). 1095 */ 1096 #define GLFW_CONTEXT_CREATION_API 0x0002200B 1097 /*! @brief Window content area scaling window 1098 * [window hint](@ref GLFW_SCALE_TO_MONITOR). 1099 */ 1100 #define GLFW_SCALE_TO_MONITOR 0x0002200C 1101 /*! @brief Window framebuffer scaling 1102 * [window hint](@ref GLFW_SCALE_FRAMEBUFFER_hint). 1103 */ 1104 #define GLFW_SCALE_FRAMEBUFFER 0x0002200D 1105 /*! @brief Legacy name for compatibility. 1106 * 1107 * This is an alias for the 1108 * [GLFW_SCALE_FRAMEBUFFER](@ref GLFW_SCALE_FRAMEBUFFER_hint) window hint for 1109 * compatibility with earlier versions. 1110 */ 1111 #define GLFW_COCOA_RETINA_FRAMEBUFFER 0x00023001 1112 /*! @brief macOS specific 1113 * [window hint](@ref GLFW_COCOA_FRAME_NAME_hint). 1114 */ 1115 #define GLFW_COCOA_FRAME_NAME 0x00023002 1116 /*! @brief macOS specific 1117 * [window hint](@ref GLFW_COCOA_GRAPHICS_SWITCHING_hint). 1118 */ 1119 #define GLFW_COCOA_GRAPHICS_SWITCHING 0x00023003 1120 /*! @brief X11 specific 1121 * [window hint](@ref GLFW_X11_CLASS_NAME_hint). 1122 */ 1123 #define GLFW_X11_CLASS_NAME 0x00024001 1124 /*! @brief X11 specific 1125 * [window hint](@ref GLFW_X11_CLASS_NAME_hint). 1126 */ 1127 #define GLFW_X11_INSTANCE_NAME 0x00024002 1128 #define GLFW_WIN32_KEYBOARD_MENU 0x00025001 1129 /*! @brief Win32 specific [window hint](@ref GLFW_WIN32_SHOWDEFAULT_hint). 1130 */ 1131 #define GLFW_WIN32_SHOWDEFAULT 0x00025002 1132 /*! @brief Wayland specific 1133 * [window hint](@ref GLFW_WAYLAND_APP_ID_hint). 1134 * 1135 * Allows specification of the Wayland app_id. 1136 */ 1137 #define GLFW_WAYLAND_APP_ID 0x00026001 1138 /*! @} */ 1139 1140 #define GLFW_NO_API 0 1141 #define GLFW_OPENGL_API 0x00030001 1142 #define GLFW_OPENGL_ES_API 0x00030002 1143 1144 #define GLFW_NO_ROBUSTNESS 0 1145 #define GLFW_NO_RESET_NOTIFICATION 0x00031001 1146 #define GLFW_LOSE_CONTEXT_ON_RESET 0x00031002 1147 1148 #define GLFW_OPENGL_ANY_PROFILE 0 1149 #define GLFW_OPENGL_CORE_PROFILE 0x00032001 1150 #define GLFW_OPENGL_COMPAT_PROFILE 0x00032002 1151 1152 #define GLFW_CURSOR 0x00033001 1153 #define GLFW_STICKY_KEYS 0x00033002 1154 #define GLFW_STICKY_MOUSE_BUTTONS 0x00033003 1155 #define GLFW_LOCK_KEY_MODS 0x00033004 1156 #define GLFW_RAW_MOUSE_MOTION 0x00033005 1157 1158 #define GLFW_CURSOR_NORMAL 0x00034001 1159 #define GLFW_CURSOR_HIDDEN 0x00034002 1160 #define GLFW_CURSOR_DISABLED 0x00034003 1161 #define GLFW_CURSOR_CAPTURED 0x00034004 1162 1163 #define GLFW_ANY_RELEASE_BEHAVIOR 0 1164 #define GLFW_RELEASE_BEHAVIOR_FLUSH 0x00035001 1165 #define GLFW_RELEASE_BEHAVIOR_NONE 0x00035002 1166 1167 #define GLFW_NATIVE_CONTEXT_API 0x00036001 1168 #define GLFW_EGL_CONTEXT_API 0x00036002 1169 #define GLFW_OSMESA_CONTEXT_API 0x00036003 1170 1171 #define GLFW_ANGLE_PLATFORM_TYPE_NONE 0x00037001 1172 #define GLFW_ANGLE_PLATFORM_TYPE_OPENGL 0x00037002 1173 #define GLFW_ANGLE_PLATFORM_TYPE_OPENGLES 0x00037003 1174 #define GLFW_ANGLE_PLATFORM_TYPE_D3D9 0x00037004 1175 #define GLFW_ANGLE_PLATFORM_TYPE_D3D11 0x00037005 1176 #define GLFW_ANGLE_PLATFORM_TYPE_VULKAN 0x00037007 1177 #define GLFW_ANGLE_PLATFORM_TYPE_METAL 0x00037008 1178 1179 #define GLFW_WAYLAND_PREFER_LIBDECOR 0x00038001 1180 #define GLFW_WAYLAND_DISABLE_LIBDECOR 0x00038002 1181 1182 #define GLFW_ANY_POSITION 0x80000000 1183 1184 /*! @defgroup shapes Standard cursor shapes 1185 * @brief Standard system cursor shapes. 1186 * 1187 * These are the [standard cursor shapes](@ref cursor_standard) that can be 1188 * requested from the platform (window system). 1189 * 1190 * @ingroup input 1191 * @{ */ 1192 1193 /*! @brief The regular arrow cursor shape. 1194 * 1195 * The regular arrow cursor shape. 1196 */ 1197 #define GLFW_ARROW_CURSOR 0x00036001 1198 /*! @brief The text input I-beam cursor shape. 1199 * 1200 * The text input I-beam cursor shape. 1201 */ 1202 #define GLFW_IBEAM_CURSOR 0x00036002 1203 /*! @brief The crosshair cursor shape. 1204 * 1205 * The crosshair cursor shape. 1206 */ 1207 #define GLFW_CROSSHAIR_CURSOR 0x00036003 1208 /*! @brief The pointing hand cursor shape. 1209 * 1210 * The pointing hand cursor shape. 1211 */ 1212 #define GLFW_POINTING_HAND_CURSOR 0x00036004 1213 /*! @brief The horizontal resize/move arrow shape. 1214 * 1215 * The horizontal resize/move arrow shape. This is usually a horizontal 1216 * double-headed arrow. 1217 */ 1218 #define GLFW_RESIZE_EW_CURSOR 0x00036005 1219 /*! @brief The vertical resize/move arrow shape. 1220 * 1221 * The vertical resize/move shape. This is usually a vertical double-headed 1222 * arrow. 1223 */ 1224 #define GLFW_RESIZE_NS_CURSOR 0x00036006 1225 /*! @brief The top-left to bottom-right diagonal resize/move arrow shape. 1226 * 1227 * The top-left to bottom-right diagonal resize/move shape. This is usually 1228 * a diagonal double-headed arrow. 1229 * 1230 * @note @macos This shape is provided by a private system API and may fail 1231 * with @ref GLFW_CURSOR_UNAVAILABLE in the future. 1232 * 1233 * @note @wayland This shape is provided by a newer standard not supported by 1234 * all cursor themes. 1235 * 1236 * @note @x11 This shape is provided by a newer standard not supported by all 1237 * cursor themes. 1238 */ 1239 #define GLFW_RESIZE_NWSE_CURSOR 0x00036007 1240 /*! @brief The top-right to bottom-left diagonal resize/move arrow shape. 1241 * 1242 * The top-right to bottom-left diagonal resize/move shape. This is usually 1243 * a diagonal double-headed arrow. 1244 * 1245 * @note @macos This shape is provided by a private system API and may fail 1246 * with @ref GLFW_CURSOR_UNAVAILABLE in the future. 1247 * 1248 * @note @wayland This shape is provided by a newer standard not supported by 1249 * all cursor themes. 1250 * 1251 * @note @x11 This shape is provided by a newer standard not supported by all 1252 * cursor themes. 1253 */ 1254 #define GLFW_RESIZE_NESW_CURSOR 0x00036008 1255 /*! @brief The omni-directional resize/move cursor shape. 1256 * 1257 * The omni-directional resize cursor/move shape. This is usually either 1258 * a combined horizontal and vertical double-headed arrow or a grabbing hand. 1259 */ 1260 #define GLFW_RESIZE_ALL_CURSOR 0x00036009 1261 /*! @brief The operation-not-allowed shape. 1262 * 1263 * The operation-not-allowed shape. This is usually a circle with a diagonal 1264 * line through it. 1265 * 1266 * @note @wayland This shape is provided by a newer standard not supported by 1267 * all cursor themes. 1268 * 1269 * @note @x11 This shape is provided by a newer standard not supported by all 1270 * cursor themes. 1271 */ 1272 #define GLFW_NOT_ALLOWED_CURSOR 0x0003600A 1273 /*! @brief Legacy name for compatibility. 1274 * 1275 * This is an alias for compatibility with earlier versions. 1276 */ 1277 #define GLFW_HRESIZE_CURSOR GLFW_RESIZE_EW_CURSOR 1278 /*! @brief Legacy name for compatibility. 1279 * 1280 * This is an alias for compatibility with earlier versions. 1281 */ 1282 #define GLFW_VRESIZE_CURSOR GLFW_RESIZE_NS_CURSOR 1283 /*! @brief Legacy name for compatibility. 1284 * 1285 * This is an alias for compatibility with earlier versions. 1286 */ 1287 #define GLFW_HAND_CURSOR GLFW_POINTING_HAND_CURSOR 1288 /*! @} */ 1289 1290 #define GLFW_CONNECTED 0x00040001 1291 #define GLFW_DISCONNECTED 0x00040002 1292 1293 /*! @addtogroup init 1294 * @{ */ 1295 /*! @brief Joystick hat buttons init hint. 1296 * 1297 * Joystick hat buttons [init hint](@ref GLFW_JOYSTICK_HAT_BUTTONS). 1298 */ 1299 #define GLFW_JOYSTICK_HAT_BUTTONS 0x00050001 1300 /*! @brief ANGLE rendering backend init hint. 1301 * 1302 * ANGLE rendering backend [init hint](@ref GLFW_ANGLE_PLATFORM_TYPE_hint). 1303 */ 1304 #define GLFW_ANGLE_PLATFORM_TYPE 0x00050002 1305 /*! @brief Platform selection init hint. 1306 * 1307 * Platform selection [init hint](@ref GLFW_PLATFORM). 1308 */ 1309 #define GLFW_PLATFORM 0x00050003 1310 /*! @brief macOS specific init hint. 1311 * 1312 * macOS specific [init hint](@ref GLFW_COCOA_CHDIR_RESOURCES_hint). 1313 */ 1314 #define GLFW_COCOA_CHDIR_RESOURCES 0x00051001 1315 /*! @brief macOS specific init hint. 1316 * 1317 * macOS specific [init hint](@ref GLFW_COCOA_MENUBAR_hint). 1318 */ 1319 #define GLFW_COCOA_MENUBAR 0x00051002 1320 /*! @brief X11 specific init hint. 1321 * 1322 * X11 specific [init hint](@ref GLFW_X11_XCB_VULKAN_SURFACE_hint). 1323 */ 1324 #define GLFW_X11_XCB_VULKAN_SURFACE 0x00052001 1325 /*! @brief Wayland specific init hint. 1326 * 1327 * Wayland specific [init hint](@ref GLFW_WAYLAND_LIBDECOR_hint). 1328 */ 1329 #define GLFW_WAYLAND_LIBDECOR 0x00053001 1330 /*! @} */ 1331 1332 /*! @addtogroup init 1333 * @{ */ 1334 /*! @brief Hint value that enables automatic platform selection. 1335 * 1336 * Hint value for @ref GLFW_PLATFORM that enables automatic platform selection. 1337 */ 1338 #define GLFW_ANY_PLATFORM 0x00060000 1339 #define GLFW_PLATFORM_WIN32 0x00060001 1340 #define GLFW_PLATFORM_COCOA 0x00060002 1341 #define GLFW_PLATFORM_WAYLAND 0x00060003 1342 #define GLFW_PLATFORM_X11 0x00060004 1343 #define GLFW_PLATFORM_NULL 0x00060005 1344 /*! @} */ 1345 1346 #define GLFW_DONT_CARE -1 1347 1348 1349 /************************************************************************* 1350 * GLFW API types 1351 *************************************************************************/ 1352 1353 /*! @brief Client API function pointer type. 1354 * 1355 * Generic function pointer used for returning client API function pointers 1356 * without forcing a cast from a regular pointer. 1357 * 1358 * @sa @ref context_glext 1359 * @sa @ref glfwGetProcAddress 1360 * 1361 * @since Added in version 3.0. 1362 * 1363 * @ingroup context 1364 */ 1365 typedef void (*GLFWglproc)(void); 1366 1367 /*! @brief Vulkan API function pointer type. 1368 * 1369 * Generic function pointer used for returning Vulkan API function pointers 1370 * without forcing a cast from a regular pointer. 1371 * 1372 * @sa @ref vulkan_proc 1373 * @sa @ref glfwGetInstanceProcAddress 1374 * 1375 * @since Added in version 3.2. 1376 * 1377 * @ingroup vulkan 1378 */ 1379 typedef void (*GLFWvkproc)(void); 1380 1381 /*! @brief Opaque monitor object. 1382 * 1383 * Opaque monitor object. 1384 * 1385 * @see @ref monitor_object 1386 * 1387 * @since Added in version 3.0. 1388 * 1389 * @ingroup monitor 1390 */ 1391 typedef struct GLFWmonitor GLFWmonitor; 1392 1393 /*! @brief Opaque window object. 1394 * 1395 * Opaque window object. 1396 * 1397 * @see @ref window_object 1398 * 1399 * @since Added in version 3.0. 1400 * 1401 * @ingroup window 1402 */ 1403 typedef struct GLFWwindow GLFWwindow; 1404 1405 /*! @brief Opaque cursor object. 1406 * 1407 * Opaque cursor object. 1408 * 1409 * @see @ref cursor_object 1410 * 1411 * @since Added in version 3.1. 1412 * 1413 * @ingroup input 1414 */ 1415 typedef struct GLFWcursor GLFWcursor; 1416 1417 /*! @brief The function pointer type for memory allocation callbacks. 1418 * 1419 * This is the function pointer type for memory allocation callbacks. A memory 1420 * allocation callback function has the following signature: 1421 * @code 1422 * void* function_name(size_t size, void* user) 1423 * @endcode 1424 * 1425 * This function must return either a memory block at least `size` bytes long, 1426 * or `NULL` if allocation failed. Note that not all parts of GLFW handle allocation 1427 * failures gracefully yet. 1428 * 1429 * This function must support being called during @ref glfwInit but before the library is 1430 * flagged as initialized, as well as during @ref glfwTerminate after the library is no 1431 * longer flagged as initialized. 1432 * 1433 * Any memory allocated via this function will be deallocated via the same allocator 1434 * during library termination or earlier. 1435 * 1436 * Any memory allocated via this function must be suitably aligned for any object type. 1437 * If you are using C99 or earlier, this alignment is platform-dependent but will be the 1438 * same as what `malloc` provides. If you are using C11 or later, this is the value of 1439 * `alignof(max_align_t)`. 1440 * 1441 * The size will always be greater than zero. Allocations of size zero are filtered out 1442 * before reaching the custom allocator. 1443 * 1444 * If this function returns `NULL`, GLFW will emit @ref GLFW_OUT_OF_MEMORY. 1445 * 1446 * This function must not call any GLFW function. 1447 * 1448 * @param[in] size The minimum size, in bytes, of the memory block. 1449 * @param[in] user The user-defined pointer from the allocator. 1450 * @return The address of the newly allocated memory block, or `NULL` if an 1451 * error occurred. 1452 * 1453 * @pointer_lifetime The returned memory block must be valid at least until it 1454 * is deallocated. 1455 * 1456 * @reentrancy This function should not call any GLFW function. 1457 * 1458 * @thread_safety This function must support being called from any thread that calls GLFW 1459 * functions. 1460 * 1461 * @sa @ref init_allocator 1462 * @sa @ref GLFWallocator 1463 * 1464 * @since Added in version 3.4. 1465 * 1466 * @ingroup init 1467 */ 1468 typedef void* (* GLFWallocatefun)(size_t size, void* user); 1469 1470 /*! @brief The function pointer type for memory reallocation callbacks. 1471 * 1472 * This is the function pointer type for memory reallocation callbacks. 1473 * A memory reallocation callback function has the following signature: 1474 * @code 1475 * void* function_name(void* block, size_t size, void* user) 1476 * @endcode 1477 * 1478 * This function must return a memory block at least `size` bytes long, or 1479 * `NULL` if allocation failed. Note that not all parts of GLFW handle allocation 1480 * failures gracefully yet. 1481 * 1482 * This function must support being called during @ref glfwInit but before the library is 1483 * flagged as initialized, as well as during @ref glfwTerminate after the library is no 1484 * longer flagged as initialized. 1485 * 1486 * Any memory allocated via this function will be deallocated via the same allocator 1487 * during library termination or earlier. 1488 * 1489 * Any memory allocated via this function must be suitably aligned for any object type. 1490 * If you are using C99 or earlier, this alignment is platform-dependent but will be the 1491 * same as what `realloc` provides. If you are using C11 or later, this is the value of 1492 * `alignof(max_align_t)`. 1493 * 1494 * The block address will never be `NULL` and the size will always be greater than zero. 1495 * Reallocations of a block to size zero are converted into deallocations before reaching 1496 * the custom allocator. Reallocations of `NULL` to a non-zero size are converted into 1497 * regular allocations before reaching the custom allocator. 1498 * 1499 * If this function returns `NULL`, GLFW will emit @ref GLFW_OUT_OF_MEMORY. 1500 * 1501 * This function must not call any GLFW function. 1502 * 1503 * @param[in] block The address of the memory block to reallocate. 1504 * @param[in] size The new minimum size, in bytes, of the memory block. 1505 * @param[in] user The user-defined pointer from the allocator. 1506 * @return The address of the newly allocated or resized memory block, or 1507 * `NULL` if an error occurred. 1508 * 1509 * @pointer_lifetime The returned memory block must be valid at least until it 1510 * is deallocated. 1511 * 1512 * @reentrancy This function should not call any GLFW function. 1513 * 1514 * @thread_safety This function must support being called from any thread that calls GLFW 1515 * functions. 1516 * 1517 * @sa @ref init_allocator 1518 * @sa @ref GLFWallocator 1519 * 1520 * @since Added in version 3.4. 1521 * 1522 * @ingroup init 1523 */ 1524 typedef void* (* GLFWreallocatefun)(void* block, size_t size, void* user); 1525 1526 /*! @brief The function pointer type for memory deallocation callbacks. 1527 * 1528 * This is the function pointer type for memory deallocation callbacks. 1529 * A memory deallocation callback function has the following signature: 1530 * @code 1531 * void function_name(void* block, void* user) 1532 * @endcode 1533 * 1534 * This function may deallocate the specified memory block. This memory block 1535 * will have been allocated with the same allocator. 1536 * 1537 * This function must support being called during @ref glfwInit but before the library is 1538 * flagged as initialized, as well as during @ref glfwTerminate after the library is no 1539 * longer flagged as initialized. 1540 * 1541 * The block address will never be `NULL`. Deallocations of `NULL` are filtered out 1542 * before reaching the custom allocator. 1543 * 1544 * If this function returns `NULL`, GLFW will emit @ref GLFW_OUT_OF_MEMORY. 1545 * 1546 * This function must not call any GLFW function. 1547 * 1548 * @param[in] block The address of the memory block to deallocate. 1549 * @param[in] user The user-defined pointer from the allocator. 1550 * 1551 * @pointer_lifetime The specified memory block will not be accessed by GLFW 1552 * after this function is called. 1553 * 1554 * @reentrancy This function should not call any GLFW function. 1555 * 1556 * @thread_safety This function must support being called from any thread that calls GLFW 1557 * functions. 1558 * 1559 * @sa @ref init_allocator 1560 * @sa @ref GLFWallocator 1561 * 1562 * @since Added in version 3.4. 1563 * 1564 * @ingroup init 1565 */ 1566 typedef void (* GLFWdeallocatefun)(void* block, void* user); 1567 1568 /*! @brief The function pointer type for error callbacks. 1569 * 1570 * This is the function pointer type for error callbacks. An error callback 1571 * function has the following signature: 1572 * @code 1573 * void callback_name(int error_code, const char* description) 1574 * @endcode 1575 * 1576 * @param[in] error_code An [error code](@ref errors). Future releases may add 1577 * more error codes. 1578 * @param[in] description A UTF-8 encoded string describing the error. 1579 * 1580 * @pointer_lifetime The error description string is valid until the callback 1581 * function returns. 1582 * 1583 * @sa @ref error_handling 1584 * @sa @ref glfwSetErrorCallback 1585 * 1586 * @since Added in version 3.0. 1587 * 1588 * @ingroup init 1589 */ 1590 typedef void (* GLFWerrorfun)(int error_code, const char* description); 1591 1592 /*! @brief The function pointer type for window position callbacks. 1593 * 1594 * This is the function pointer type for window position callbacks. A window 1595 * position callback function has the following signature: 1596 * @code 1597 * void callback_name(GLFWwindow* window, int xpos, int ypos) 1598 * @endcode 1599 * 1600 * @param[in] window The window that was moved. 1601 * @param[in] xpos The new x-coordinate, in screen coordinates, of the 1602 * upper-left corner of the content area of the window. 1603 * @param[in] ypos The new y-coordinate, in screen coordinates, of the 1604 * upper-left corner of the content area of the window. 1605 * 1606 * @sa @ref window_pos 1607 * @sa @ref glfwSetWindowPosCallback 1608 * 1609 * @since Added in version 3.0. 1610 * 1611 * @ingroup window 1612 */ 1613 typedef void (* GLFWwindowposfun)(GLFWwindow* window, int xpos, int ypos); 1614 1615 /*! @brief The function pointer type for window size callbacks. 1616 * 1617 * This is the function pointer type for window size callbacks. A window size 1618 * callback function has the following signature: 1619 * @code 1620 * void callback_name(GLFWwindow* window, int width, int height) 1621 * @endcode 1622 * 1623 * @param[in] window The window that was resized. 1624 * @param[in] width The new width, in screen coordinates, of the window. 1625 * @param[in] height The new height, in screen coordinates, of the window. 1626 * 1627 * @sa @ref window_size 1628 * @sa @ref glfwSetWindowSizeCallback 1629 * 1630 * @since Added in version 1.0. 1631 * @glfw3 Added window handle parameter. 1632 * 1633 * @ingroup window 1634 */ 1635 typedef void (* GLFWwindowsizefun)(GLFWwindow* window, int width, int height); 1636 1637 /*! @brief The function pointer type for window close callbacks. 1638 * 1639 * This is the function pointer type for window close callbacks. A window 1640 * close callback function has the following signature: 1641 * @code 1642 * void function_name(GLFWwindow* window) 1643 * @endcode 1644 * 1645 * @param[in] window The window that the user attempted to close. 1646 * 1647 * @sa @ref window_close 1648 * @sa @ref glfwSetWindowCloseCallback 1649 * 1650 * @since Added in version 2.5. 1651 * @glfw3 Added window handle parameter. 1652 * 1653 * @ingroup window 1654 */ 1655 typedef void (* GLFWwindowclosefun)(GLFWwindow* window); 1656 1657 /*! @brief The function pointer type for window content refresh callbacks. 1658 * 1659 * This is the function pointer type for window content refresh callbacks. 1660 * A window content refresh callback function has the following signature: 1661 * @code 1662 * void function_name(GLFWwindow* window); 1663 * @endcode 1664 * 1665 * @param[in] window The window whose content needs to be refreshed. 1666 * 1667 * @sa @ref window_refresh 1668 * @sa @ref glfwSetWindowRefreshCallback 1669 * 1670 * @since Added in version 2.5. 1671 * @glfw3 Added window handle parameter. 1672 * 1673 * @ingroup window 1674 */ 1675 typedef void (* GLFWwindowrefreshfun)(GLFWwindow* window); 1676 1677 /*! @brief The function pointer type for window focus callbacks. 1678 * 1679 * This is the function pointer type for window focus callbacks. A window 1680 * focus callback function has the following signature: 1681 * @code 1682 * void function_name(GLFWwindow* window, int focused) 1683 * @endcode 1684 * 1685 * @param[in] window The window that gained or lost input focus. 1686 * @param[in] focused `GLFW_TRUE` if the window was given input focus, or 1687 * `GLFW_FALSE` if it lost it. 1688 * 1689 * @sa @ref window_focus 1690 * @sa @ref glfwSetWindowFocusCallback 1691 * 1692 * @since Added in version 3.0. 1693 * 1694 * @ingroup window 1695 */ 1696 typedef void (* GLFWwindowfocusfun)(GLFWwindow* window, int focused); 1697 1698 /*! @brief The function pointer type for window iconify callbacks. 1699 * 1700 * This is the function pointer type for window iconify callbacks. A window 1701 * iconify callback function has the following signature: 1702 * @code 1703 * void function_name(GLFWwindow* window, int iconified) 1704 * @endcode 1705 * 1706 * @param[in] window The window that was iconified or restored. 1707 * @param[in] iconified `GLFW_TRUE` if the window was iconified, or 1708 * `GLFW_FALSE` if it was restored. 1709 * 1710 * @sa @ref window_iconify 1711 * @sa @ref glfwSetWindowIconifyCallback 1712 * 1713 * @since Added in version 3.0. 1714 * 1715 * @ingroup window 1716 */ 1717 typedef void (* GLFWwindowiconifyfun)(GLFWwindow* window, int iconified); 1718 1719 /*! @brief The function pointer type for window maximize callbacks. 1720 * 1721 * This is the function pointer type for window maximize callbacks. A window 1722 * maximize callback function has the following signature: 1723 * @code 1724 * void function_name(GLFWwindow* window, int maximized) 1725 * @endcode 1726 * 1727 * @param[in] window The window that was maximized or restored. 1728 * @param[in] maximized `GLFW_TRUE` if the window was maximized, or 1729 * `GLFW_FALSE` if it was restored. 1730 * 1731 * @sa @ref window_maximize 1732 * @sa glfwSetWindowMaximizeCallback 1733 * 1734 * @since Added in version 3.3. 1735 * 1736 * @ingroup window 1737 */ 1738 typedef void (* GLFWwindowmaximizefun)(GLFWwindow* window, int maximized); 1739 1740 /*! @brief The function pointer type for framebuffer size callbacks. 1741 * 1742 * This is the function pointer type for framebuffer size callbacks. 1743 * A framebuffer size callback function has the following signature: 1744 * @code 1745 * void function_name(GLFWwindow* window, int width, int height) 1746 * @endcode 1747 * 1748 * @param[in] window The window whose framebuffer was resized. 1749 * @param[in] width The new width, in pixels, of the framebuffer. 1750 * @param[in] height The new height, in pixels, of the framebuffer. 1751 * 1752 * @sa @ref window_fbsize 1753 * @sa @ref glfwSetFramebufferSizeCallback 1754 * 1755 * @since Added in version 3.0. 1756 * 1757 * @ingroup window 1758 */ 1759 typedef void (* GLFWframebuffersizefun)(GLFWwindow* window, int width, int height); 1760 1761 /*! @brief The function pointer type for window content scale callbacks. 1762 * 1763 * This is the function pointer type for window content scale callbacks. 1764 * A window content scale callback function has the following signature: 1765 * @code 1766 * void function_name(GLFWwindow* window, float xscale, float yscale) 1767 * @endcode 1768 * 1769 * @param[in] window The window whose content scale changed. 1770 * @param[in] xscale The new x-axis content scale of the window. 1771 * @param[in] yscale The new y-axis content scale of the window. 1772 * 1773 * @sa @ref window_scale 1774 * @sa @ref glfwSetWindowContentScaleCallback 1775 * 1776 * @since Added in version 3.3. 1777 * 1778 * @ingroup window 1779 */ 1780 typedef void (* GLFWwindowcontentscalefun)(GLFWwindow* window, float xscale, float yscale); 1781 1782 /*! @brief The function pointer type for mouse button callbacks. 1783 * 1784 * This is the function pointer type for mouse button callback functions. 1785 * A mouse button callback function has the following signature: 1786 * @code 1787 * void function_name(GLFWwindow* window, int button, int action, int mods) 1788 * @endcode 1789 * 1790 * @param[in] window The window that received the event. 1791 * @param[in] button The [mouse button](@ref buttons) that was pressed or 1792 * released. 1793 * @param[in] action One of `GLFW_PRESS` or `GLFW_RELEASE`. Future releases 1794 * may add more actions. 1795 * @param[in] mods Bit field describing which [modifier keys](@ref mods) were 1796 * held down. 1797 * 1798 * @sa @ref input_mouse_button 1799 * @sa @ref glfwSetMouseButtonCallback 1800 * 1801 * @since Added in version 1.0. 1802 * @glfw3 Added window handle and modifier mask parameters. 1803 * 1804 * @ingroup input 1805 */ 1806 typedef void (* GLFWmousebuttonfun)(GLFWwindow* window, int button, int action, int mods); 1807 1808 /*! @brief The function pointer type for cursor position callbacks. 1809 * 1810 * This is the function pointer type for cursor position callbacks. A cursor 1811 * position callback function has the following signature: 1812 * @code 1813 * void function_name(GLFWwindow* window, double xpos, double ypos); 1814 * @endcode 1815 * 1816 * @param[in] window The window that received the event. 1817 * @param[in] xpos The new cursor x-coordinate, relative to the left edge of 1818 * the content area. 1819 * @param[in] ypos The new cursor y-coordinate, relative to the top edge of the 1820 * content area. 1821 * 1822 * @sa @ref cursor_pos 1823 * @sa @ref glfwSetCursorPosCallback 1824 * 1825 * @since Added in version 3.0. Replaces `GLFWmouseposfun`. 1826 * 1827 * @ingroup input 1828 */ 1829 typedef void (* GLFWcursorposfun)(GLFWwindow* window, double xpos, double ypos); 1830 1831 /*! @brief The function pointer type for cursor enter/leave callbacks. 1832 * 1833 * This is the function pointer type for cursor enter/leave callbacks. 1834 * A cursor enter/leave callback function has the following signature: 1835 * @code 1836 * void function_name(GLFWwindow* window, int entered) 1837 * @endcode 1838 * 1839 * @param[in] window The window that received the event. 1840 * @param[in] entered `GLFW_TRUE` if the cursor entered the window's content 1841 * area, or `GLFW_FALSE` if it left it. 1842 * 1843 * @sa @ref cursor_enter 1844 * @sa @ref glfwSetCursorEnterCallback 1845 * 1846 * @since Added in version 3.0. 1847 * 1848 * @ingroup input 1849 */ 1850 typedef void (* GLFWcursorenterfun)(GLFWwindow* window, int entered); 1851 1852 /*! @brief The function pointer type for scroll callbacks. 1853 * 1854 * This is the function pointer type for scroll callbacks. A scroll callback 1855 * function has the following signature: 1856 * @code 1857 * void function_name(GLFWwindow* window, double xoffset, double yoffset) 1858 * @endcode 1859 * 1860 * @param[in] window The window that received the event. 1861 * @param[in] xoffset The scroll offset along the x-axis. 1862 * @param[in] yoffset The scroll offset along the y-axis. 1863 * 1864 * @sa @ref scrolling 1865 * @sa @ref glfwSetScrollCallback 1866 * 1867 * @since Added in version 3.0. Replaces `GLFWmousewheelfun`. 1868 * 1869 * @ingroup input 1870 */ 1871 typedef void (* GLFWscrollfun)(GLFWwindow* window, double xoffset, double yoffset); 1872 1873 /*! @brief The function pointer type for keyboard key callbacks. 1874 * 1875 * This is the function pointer type for keyboard key callbacks. A keyboard 1876 * key callback function has the following signature: 1877 * @code 1878 * void function_name(GLFWwindow* window, int key, int scancode, int action, int mods) 1879 * @endcode 1880 * 1881 * @param[in] window The window that received the event. 1882 * @param[in] key The [keyboard key](@ref keys) that was pressed or released. 1883 * @param[in] scancode The platform-specific scancode of the key. 1884 * @param[in] action `GLFW_PRESS`, `GLFW_RELEASE` or `GLFW_REPEAT`. Future 1885 * releases may add more actions. 1886 * @param[in] mods Bit field describing which [modifier keys](@ref mods) were 1887 * held down. 1888 * 1889 * @sa @ref input_key 1890 * @sa @ref glfwSetKeyCallback 1891 * 1892 * @since Added in version 1.0. 1893 * @glfw3 Added window handle, scancode and modifier mask parameters. 1894 * 1895 * @ingroup input 1896 */ 1897 typedef void (* GLFWkeyfun)(GLFWwindow* window, int key, int scancode, int action, int mods); 1898 1899 /*! @brief The function pointer type for Unicode character callbacks. 1900 * 1901 * This is the function pointer type for Unicode character callbacks. 1902 * A Unicode character callback function has the following signature: 1903 * @code 1904 * void function_name(GLFWwindow* window, unsigned int codepoint) 1905 * @endcode 1906 * 1907 * @param[in] window The window that received the event. 1908 * @param[in] codepoint The Unicode code point of the character. 1909 * 1910 * @sa @ref input_char 1911 * @sa @ref glfwSetCharCallback 1912 * 1913 * @since Added in version 2.4. 1914 * @glfw3 Added window handle parameter. 1915 * 1916 * @ingroup input 1917 */ 1918 typedef void (* GLFWcharfun)(GLFWwindow* window, unsigned int codepoint); 1919 1920 /*! @brief The function pointer type for Unicode character with modifiers 1921 * callbacks. 1922 * 1923 * This is the function pointer type for Unicode character with modifiers 1924 * callbacks. It is called for each input character, regardless of what 1925 * modifier keys are held down. A Unicode character with modifiers callback 1926 * function has the following signature: 1927 * @code 1928 * void function_name(GLFWwindow* window, unsigned int codepoint, int mods) 1929 * @endcode 1930 * 1931 * @param[in] window The window that received the event. 1932 * @param[in] codepoint The Unicode code point of the character. 1933 * @param[in] mods Bit field describing which [modifier keys](@ref mods) were 1934 * held down. 1935 * 1936 * @sa @ref input_char 1937 * @sa @ref glfwSetCharModsCallback 1938 * 1939 * @deprecated Scheduled for removal in version 4.0. 1940 * 1941 * @since Added in version 3.1. 1942 * 1943 * @ingroup input 1944 */ 1945 typedef void (* GLFWcharmodsfun)(GLFWwindow* window, unsigned int codepoint, int mods); 1946 1947 /*! @brief The function pointer type for path drop callbacks. 1948 * 1949 * This is the function pointer type for path drop callbacks. A path drop 1950 * callback function has the following signature: 1951 * @code 1952 * void function_name(GLFWwindow* window, int path_count, const char* paths[]) 1953 * @endcode 1954 * 1955 * @param[in] window The window that received the event. 1956 * @param[in] path_count The number of dropped paths. 1957 * @param[in] paths The UTF-8 encoded file and/or directory path names. 1958 * 1959 * @pointer_lifetime The path array and its strings are valid until the 1960 * callback function returns. 1961 * 1962 * @sa @ref path_drop 1963 * @sa @ref glfwSetDropCallback 1964 * 1965 * @since Added in version 3.1. 1966 * 1967 * @ingroup input 1968 */ 1969 typedef void (* GLFWdropfun)(GLFWwindow* window, int path_count, const char* paths[]); 1970 1971 /*! @brief The function pointer type for monitor configuration callbacks. 1972 * 1973 * This is the function pointer type for monitor configuration callbacks. 1974 * A monitor callback function has the following signature: 1975 * @code 1976 * void function_name(GLFWmonitor* monitor, int event) 1977 * @endcode 1978 * 1979 * @param[in] monitor The monitor that was connected or disconnected. 1980 * @param[in] event One of `GLFW_CONNECTED` or `GLFW_DISCONNECTED`. Future 1981 * releases may add more events. 1982 * 1983 * @sa @ref monitor_event 1984 * @sa @ref glfwSetMonitorCallback 1985 * 1986 * @since Added in version 3.0. 1987 * 1988 * @ingroup monitor 1989 */ 1990 typedef void (* GLFWmonitorfun)(GLFWmonitor* monitor, int event); 1991 1992 /*! @brief The function pointer type for joystick configuration callbacks. 1993 * 1994 * This is the function pointer type for joystick configuration callbacks. 1995 * A joystick configuration callback function has the following signature: 1996 * @code 1997 * void function_name(int jid, int event) 1998 * @endcode 1999 * 2000 * @param[in] jid The joystick that was connected or disconnected. 2001 * @param[in] event One of `GLFW_CONNECTED` or `GLFW_DISCONNECTED`. Future 2002 * releases may add more events. 2003 * 2004 * @sa @ref joystick_event 2005 * @sa @ref glfwSetJoystickCallback 2006 * 2007 * @since Added in version 3.2. 2008 * 2009 * @ingroup input 2010 */ 2011 typedef void (* GLFWjoystickfun)(int jid, int event); 2012 2013 /*! @brief Video mode type. 2014 * 2015 * This describes a single video mode. 2016 * 2017 * @sa @ref monitor_modes 2018 * @sa @ref glfwGetVideoMode 2019 * @sa @ref glfwGetVideoModes 2020 * 2021 * @since Added in version 1.0. 2022 * @glfw3 Added refresh rate member. 2023 * 2024 * @ingroup monitor 2025 */ 2026 typedef struct GLFWvidmode 2027 { 2028 /*! The width, in screen coordinates, of the video mode. 2029 */ 2030 int width; 2031 /*! The height, in screen coordinates, of the video mode. 2032 */ 2033 int height; 2034 /*! The bit depth of the red channel of the video mode. 2035 */ 2036 int redBits; 2037 /*! The bit depth of the green channel of the video mode. 2038 */ 2039 int greenBits; 2040 /*! The bit depth of the blue channel of the video mode. 2041 */ 2042 int blueBits; 2043 /*! The refresh rate, in Hz, of the video mode. 2044 */ 2045 int refreshRate; 2046 } GLFWvidmode; 2047 2048 /*! @brief Gamma ramp. 2049 * 2050 * This describes the gamma ramp for a monitor. 2051 * 2052 * @sa @ref monitor_gamma 2053 * @sa @ref glfwGetGammaRamp 2054 * @sa @ref glfwSetGammaRamp 2055 * 2056 * @since Added in version 3.0. 2057 * 2058 * @ingroup monitor 2059 */ 2060 typedef struct GLFWgammaramp 2061 { 2062 /*! An array of value describing the response of the red channel. 2063 */ 2064 unsigned short* red; 2065 /*! An array of value describing the response of the green channel. 2066 */ 2067 unsigned short* green; 2068 /*! An array of value describing the response of the blue channel. 2069 */ 2070 unsigned short* blue; 2071 /*! The number of elements in each array. 2072 */ 2073 unsigned int size; 2074 } GLFWgammaramp; 2075 2076 /*! @brief Image data. 2077 * 2078 * This describes a single 2D image. See the documentation for each related 2079 * function what the expected pixel format is. 2080 * 2081 * @sa @ref cursor_custom 2082 * @sa @ref window_icon 2083 * 2084 * @since Added in version 2.1. 2085 * @glfw3 Removed format and bytes-per-pixel members. 2086 * 2087 * @ingroup window 2088 */ 2089 typedef struct GLFWimage 2090 { 2091 /*! The width, in pixels, of this image. 2092 */ 2093 int width; 2094 /*! The height, in pixels, of this image. 2095 */ 2096 int height; 2097 /*! The pixel data of this image, arranged left-to-right, top-to-bottom. 2098 */ 2099 unsigned char* pixels; 2100 } GLFWimage; 2101 2102 /*! @brief Gamepad input state 2103 * 2104 * This describes the input state of a gamepad. 2105 * 2106 * @sa @ref gamepad 2107 * @sa @ref glfwGetGamepadState 2108 * 2109 * @since Added in version 3.3. 2110 * 2111 * @ingroup input 2112 */ 2113 typedef struct GLFWgamepadstate 2114 { 2115 /*! The states of each [gamepad button](@ref gamepad_buttons), `GLFW_PRESS` 2116 * or `GLFW_RELEASE`. 2117 */ 2118 unsigned char buttons[15]; 2119 /*! The states of each [gamepad axis](@ref gamepad_axes), in the range -1.0 2120 * to 1.0 inclusive. 2121 */ 2122 float axes[6]; 2123 } GLFWgamepadstate; 2124 2125 /*! @brief Custom heap memory allocator. 2126 * 2127 * This describes a custom heap memory allocator for GLFW. To set an allocator, pass it 2128 * to @ref glfwInitAllocator before initializing the library. 2129 * 2130 * @sa @ref init_allocator 2131 * @sa @ref glfwInitAllocator 2132 * 2133 * @since Added in version 3.4. 2134 * 2135 * @ingroup init 2136 */ 2137 typedef struct GLFWallocator 2138 { 2139 /*! The memory allocation function. See @ref GLFWallocatefun for details about 2140 * allocation function. 2141 */ 2142 GLFWallocatefun allocate; 2143 /*! The memory reallocation function. See @ref GLFWreallocatefun for details about 2144 * reallocation function. 2145 */ 2146 GLFWreallocatefun reallocate; 2147 /*! The memory deallocation function. See @ref GLFWdeallocatefun for details about 2148 * deallocation function. 2149 */ 2150 GLFWdeallocatefun deallocate; 2151 /*! The user pointer for this custom allocator. This value will be passed to the 2152 * allocator functions. 2153 */ 2154 void* user; 2155 } GLFWallocator; 2156 2157 2158 /************************************************************************* 2159 * GLFW API functions 2160 *************************************************************************/ 2161 2162 /*! @brief Initializes the GLFW library. 2163 * 2164 * This function initializes the GLFW library. Before most GLFW functions can 2165 * be used, GLFW must be initialized, and before an application terminates GLFW 2166 * should be terminated in order to free any resources allocated during or 2167 * after initialization. 2168 * 2169 * If this function fails, it calls @ref glfwTerminate before returning. If it 2170 * succeeds, you should call @ref glfwTerminate before the application exits. 2171 * 2172 * Additional calls to this function after successful initialization but before 2173 * termination will return `GLFW_TRUE` immediately. 2174 * 2175 * The @ref GLFW_PLATFORM init hint controls which platforms are considered during 2176 * initialization. This also depends on which platforms the library was compiled to 2177 * support. 2178 * 2179 * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an 2180 * [error](@ref error_handling) occurred. 2181 * 2182 * @errors Possible errors include @ref GLFW_PLATFORM_UNAVAILABLE and @ref 2183 * GLFW_PLATFORM_ERROR. 2184 * 2185 * @remark @macos This function will change the current directory of the 2186 * application to the `Contents/Resources` subdirectory of the application's 2187 * bundle, if present. This can be disabled with the @ref 2188 * GLFW_COCOA_CHDIR_RESOURCES init hint. 2189 * 2190 * @remark @macos This function will create the main menu and dock icon for the 2191 * application. If GLFW finds a `MainMenu.nib` it is loaded and assumed to 2192 * contain a menu bar. Otherwise a minimal menu bar is created manually with 2193 * common commands like Hide, Quit and About. The About entry opens a minimal 2194 * about dialog with information from the application's bundle. The menu bar 2195 * and dock icon can be disabled entirely with the @ref GLFW_COCOA_MENUBAR init 2196 * hint. 2197 * 2198 * @remark __Wayland, X11:__ If the library was compiled with support for both 2199 * Wayland and X11, and the @ref GLFW_PLATFORM init hint is set to 2200 * `GLFW_ANY_PLATFORM`, the `XDG_SESSION_TYPE` environment variable affects 2201 * which platform is picked. If the environment variable is not set, or is set 2202 * to something other than `wayland` or `x11`, the regular detection mechanism 2203 * will be used instead. 2204 * 2205 * @remark @x11 This function will set the `LC_CTYPE` category of the 2206 * application locale according to the current environment if that category is 2207 * still "C". This is because the "C" locale breaks Unicode text input. 2208 * 2209 * @thread_safety This function must only be called from the main thread. 2210 * 2211 * @sa @ref intro_init 2212 * @sa @ref glfwInitHint 2213 * @sa @ref glfwInitAllocator 2214 * @sa @ref glfwTerminate 2215 * 2216 * @since Added in version 1.0. 2217 * 2218 * @ingroup init 2219 */ 2220 GLFWAPI int glfwInit(void); 2221 2222 /*! @brief Terminates the GLFW library. 2223 * 2224 * This function destroys all remaining windows and cursors, restores any 2225 * modified gamma ramps and frees any other allocated resources. Once this 2226 * function is called, you must again call @ref glfwInit successfully before 2227 * you will be able to use most GLFW functions. 2228 * 2229 * If GLFW has been successfully initialized, this function should be called 2230 * before the application exits. If initialization fails, there is no need to 2231 * call this function, as it is called by @ref glfwInit before it returns 2232 * failure. 2233 * 2234 * This function has no effect if GLFW is not initialized. 2235 * 2236 * @errors Possible errors include @ref GLFW_PLATFORM_ERROR. 2237 * 2238 * @remark This function may be called before @ref glfwInit. 2239 * 2240 * @warning The contexts of any remaining windows must not be current on any 2241 * other thread when this function is called. 2242 * 2243 * @reentrancy This function must not be called from a callback. 2244 * 2245 * @thread_safety This function must only be called from the main thread. 2246 * 2247 * @sa @ref intro_init 2248 * @sa @ref glfwInit 2249 * 2250 * @since Added in version 1.0. 2251 * 2252 * @ingroup init 2253 */ 2254 GLFWAPI void glfwTerminate(void); 2255 2256 /*! @brief Sets the specified init hint to the desired value. 2257 * 2258 * This function sets hints for the next initialization of GLFW. 2259 * 2260 * The values you set hints to are never reset by GLFW, but they only take 2261 * effect during initialization. Once GLFW has been initialized, any values 2262 * you set will be ignored until the library is terminated and initialized 2263 * again. 2264 * 2265 * Some hints are platform specific. These may be set on any platform but they 2266 * will only affect their specific platform. Other platforms will ignore them. 2267 * Setting these hints requires no platform specific headers or functions. 2268 * 2269 * @param[in] hint The [init hint](@ref init_hints) to set. 2270 * @param[in] value The new value of the init hint. 2271 * 2272 * @errors Possible errors include @ref GLFW_INVALID_ENUM and @ref 2273 * GLFW_INVALID_VALUE. 2274 * 2275 * @remarks This function may be called before @ref glfwInit. 2276 * 2277 * @thread_safety This function must only be called from the main thread. 2278 * 2279 * @sa init_hints 2280 * @sa glfwInit 2281 * 2282 * @since Added in version 3.3. 2283 * 2284 * @ingroup init 2285 */ 2286 GLFWAPI void glfwInitHint(int hint, int value); 2287 2288 /*! @brief Sets the init allocator to the desired value. 2289 * 2290 * To use the default allocator, call this function with a `NULL` argument. 2291 * 2292 * If you specify an allocator struct, every member must be a valid function 2293 * pointer. If any member is `NULL`, this function will emit @ref 2294 * GLFW_INVALID_VALUE and the init allocator will be unchanged. 2295 * 2296 * The functions in the allocator must fulfil a number of requirements. See the 2297 * documentation for @ref GLFWallocatefun, @ref GLFWreallocatefun and @ref 2298 * GLFWdeallocatefun for details. 2299 * 2300 * @param[in] allocator The allocator to use at the next initialization, or 2301 * `NULL` to use the default one. 2302 * 2303 * @errors Possible errors include @ref GLFW_INVALID_VALUE. 2304 * 2305 * @pointer_lifetime The specified allocator is copied before this function 2306 * returns. 2307 * 2308 * @thread_safety This function must only be called from the main thread. 2309 * 2310 * @sa @ref init_allocator 2311 * @sa @ref glfwInit 2312 * 2313 * @since Added in version 3.4. 2314 * 2315 * @ingroup init 2316 */ 2317 GLFWAPI void glfwInitAllocator(const GLFWallocator* allocator); 2318 2319 #if defined(VK_VERSION_1_0) 2320 2321 /*! @brief Sets the desired Vulkan `vkGetInstanceProcAddr` function. 2322 * 2323 * This function sets the `vkGetInstanceProcAddr` function that GLFW will use for all 2324 * Vulkan related entry point queries. 2325 * 2326 * This feature is mostly useful on macOS, if your copy of the Vulkan loader is in 2327 * a location where GLFW cannot find it through dynamic loading, or if you are still 2328 * using the static library version of the loader. 2329 * 2330 * If set to `NULL`, GLFW will try to load the Vulkan loader dynamically by its standard 2331 * name and get this function from there. This is the default behavior. 2332 * 2333 * The standard name of the loader is `vulkan-1.dll` on Windows, `libvulkan.so.1` on 2334 * Linux and other Unix-like systems and `libvulkan.1.dylib` on macOS. If your code is 2335 * also loading it via these names then you probably don't need to use this function. 2336 * 2337 * The function address you set is never reset by GLFW, but it only takes effect during 2338 * initialization. Once GLFW has been initialized, any updates will be ignored until the 2339 * library is terminated and initialized again. 2340 * 2341 * @param[in] loader The address of the function to use, or `NULL`. 2342 * 2343 * @par Loader function signature 2344 * @code 2345 * PFN_vkVoidFunction vkGetInstanceProcAddr(VkInstance instance, const char* name) 2346 * @endcode 2347 * For more information about this function, see the 2348 * [Vulkan Registry](https://www.khronos.org/registry/vulkan/). 2349 * 2350 * @errors None. 2351 * 2352 * @remark This function may be called before @ref glfwInit. 2353 * 2354 * @thread_safety This function must only be called from the main thread. 2355 * 2356 * @sa @ref vulkan_loader 2357 * @sa @ref glfwInit 2358 * 2359 * @since Added in version 3.4. 2360 * 2361 * @ingroup init 2362 */ 2363 GLFWAPI void glfwInitVulkanLoader(PFN_vkGetInstanceProcAddr loader); 2364 2365 #endif /*VK_VERSION_1_0*/ 2366 2367 /*! @brief Retrieves the version of the GLFW library. 2368 * 2369 * This function retrieves the major, minor and revision numbers of the GLFW 2370 * library. It is intended for when you are using GLFW as a shared library and 2371 * want to ensure that you are using the minimum required version. 2372 * 2373 * Any or all of the version arguments may be `NULL`. 2374 * 2375 * @param[out] major Where to store the major version number, or `NULL`. 2376 * @param[out] minor Where to store the minor version number, or `NULL`. 2377 * @param[out] rev Where to store the revision number, or `NULL`. 2378 * 2379 * @errors None. 2380 * 2381 * @remark This function may be called before @ref glfwInit. 2382 * 2383 * @thread_safety This function may be called from any thread. 2384 * 2385 * @sa @ref intro_version 2386 * @sa @ref glfwGetVersionString 2387 * 2388 * @since Added in version 1.0. 2389 * 2390 * @ingroup init 2391 */ 2392 GLFWAPI void glfwGetVersion(int* major, int* minor, int* rev); 2393 2394 /*! @brief Returns a string describing the compile-time configuration. 2395 * 2396 * This function returns the compile-time generated 2397 * [version string](@ref intro_version_string) of the GLFW library binary. It describes 2398 * the version, platforms, compiler and any platform or operating system specific 2399 * compile-time options. It should not be confused with the OpenGL or OpenGL ES version 2400 * string, queried with `glGetString`. 2401 * 2402 * __Do not use the version string__ to parse the GLFW library version. The 2403 * @ref glfwGetVersion function provides the version of the running library 2404 * binary in numerical format. 2405 * 2406 * __Do not use the version string__ to parse what platforms are supported. The @ref 2407 * glfwPlatformSupported function lets you query platform support. 2408 * 2409 * @return The ASCII encoded GLFW version string. 2410 * 2411 * @errors None. 2412 * 2413 * @remark This function may be called before @ref glfwInit. 2414 * 2415 * @pointer_lifetime The returned string is static and compile-time generated. 2416 * 2417 * @thread_safety This function may be called from any thread. 2418 * 2419 * @sa @ref intro_version 2420 * @sa @ref glfwGetVersion 2421 * 2422 * @since Added in version 3.0. 2423 * 2424 * @ingroup init 2425 */ 2426 GLFWAPI const char* glfwGetVersionString(void); 2427 2428 /*! @brief Returns and clears the last error for the calling thread. 2429 * 2430 * This function returns and clears the [error code](@ref errors) of the last 2431 * error that occurred on the calling thread, and optionally a UTF-8 encoded 2432 * human-readable description of it. If no error has occurred since the last 2433 * call, it returns @ref GLFW_NO_ERROR (zero) and the description pointer is 2434 * set to `NULL`. 2435 * 2436 * @param[in] description Where to store the error description pointer, or `NULL`. 2437 * @return The last error code for the calling thread, or @ref GLFW_NO_ERROR 2438 * (zero). 2439 * 2440 * @errors None. 2441 * 2442 * @pointer_lifetime The returned string is allocated and freed by GLFW. You 2443 * should not free it yourself. It is guaranteed to be valid only until the 2444 * next error occurs or the library is terminated. 2445 * 2446 * @remark This function may be called before @ref glfwInit. 2447 * 2448 * @thread_safety This function may be called from any thread. 2449 * 2450 * @sa @ref error_handling 2451 * @sa @ref glfwSetErrorCallback 2452 * 2453 * @since Added in version 3.3. 2454 * 2455 * @ingroup init 2456 */ 2457 GLFWAPI int glfwGetError(const char** description); 2458 2459 /*! @brief Sets the error callback. 2460 * 2461 * This function sets the error callback, which is called with an error code 2462 * and a human-readable description each time a GLFW error occurs. 2463 * 2464 * The error code is set before the callback is called. Calling @ref 2465 * glfwGetError from the error callback will return the same value as the error 2466 * code argument. 2467 * 2468 * The error callback is called on the thread where the error occurred. If you 2469 * are using GLFW from multiple threads, your error callback needs to be 2470 * written accordingly. 2471 * 2472 * Because the description string may have been generated specifically for that 2473 * error, it is not guaranteed to be valid after the callback has returned. If 2474 * you wish to use it after the callback returns, you need to make a copy. 2475 * 2476 * Once set, the error callback remains set even after the library has been 2477 * terminated. 2478 * 2479 * @param[in] callback The new callback, or `NULL` to remove the currently set 2480 * callback. 2481 * @return The previously set callback, or `NULL` if no callback was set. 2482 * 2483 * @callback_signature 2484 * @code 2485 * void callback_name(int error_code, const char* description) 2486 * @endcode 2487 * For more information about the callback parameters, see the 2488 * [callback pointer type](@ref GLFWerrorfun). 2489 * 2490 * @errors None. 2491 * 2492 * @remark This function may be called before @ref glfwInit. 2493 * 2494 * @thread_safety This function must only be called from the main thread. 2495 * 2496 * @sa @ref error_handling 2497 * @sa @ref glfwGetError 2498 * 2499 * @since Added in version 3.0. 2500 * 2501 * @ingroup init 2502 */ 2503 GLFWAPI GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun callback); 2504 2505 /*! @brief Returns the currently selected platform. 2506 * 2507 * This function returns the platform that was selected during initialization. The 2508 * returned value will be one of `GLFW_PLATFORM_WIN32`, `GLFW_PLATFORM_COCOA`, 2509 * `GLFW_PLATFORM_WAYLAND`, `GLFW_PLATFORM_X11` or `GLFW_PLATFORM_NULL`. 2510 * 2511 * @return The currently selected platform, or zero if an error occurred. 2512 * 2513 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 2514 * 2515 * @thread_safety This function may be called from any thread. 2516 * 2517 * @sa @ref platform 2518 * @sa @ref glfwPlatformSupported 2519 * 2520 * @since Added in version 3.4. 2521 * 2522 * @ingroup init 2523 */ 2524 GLFWAPI int glfwGetPlatform(void); 2525 2526 /*! @brief Returns whether the library includes support for the specified platform. 2527 * 2528 * This function returns whether the library was compiled with support for the specified 2529 * platform. The platform must be one of `GLFW_PLATFORM_WIN32`, `GLFW_PLATFORM_COCOA`, 2530 * `GLFW_PLATFORM_WAYLAND`, `GLFW_PLATFORM_X11` or `GLFW_PLATFORM_NULL`. 2531 * 2532 * @param[in] platform The platform to query. 2533 * @return `GLFW_TRUE` if the platform is supported, or `GLFW_FALSE` otherwise. 2534 * 2535 * @errors Possible errors include @ref GLFW_INVALID_ENUM. 2536 * 2537 * @remark This function may be called before @ref glfwInit. 2538 * 2539 * @thread_safety This function may be called from any thread. 2540 * 2541 * @sa @ref platform 2542 * @sa @ref glfwGetPlatform 2543 * 2544 * @since Added in version 3.4. 2545 * 2546 * @ingroup init 2547 */ 2548 GLFWAPI int glfwPlatformSupported(int platform); 2549 2550 /*! @brief Returns the currently connected monitors. 2551 * 2552 * This function returns an array of handles for all currently connected 2553 * monitors. The primary monitor is always first in the returned array. If no 2554 * monitors were found, this function returns `NULL`. 2555 * 2556 * @param[out] count Where to store the number of monitors in the returned 2557 * array. This is set to zero if an error occurred. 2558 * @return An array of monitor handles, or `NULL` if no monitors were found or 2559 * if an [error](@ref error_handling) occurred. 2560 * 2561 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 2562 * 2563 * @pointer_lifetime The returned array is allocated and freed by GLFW. You 2564 * should not free it yourself. It is guaranteed to be valid only until the 2565 * monitor configuration changes or the library is terminated. 2566 * 2567 * @thread_safety This function must only be called from the main thread. 2568 * 2569 * @sa @ref monitor_monitors 2570 * @sa @ref monitor_event 2571 * @sa @ref glfwGetPrimaryMonitor 2572 * 2573 * @since Added in version 3.0. 2574 * 2575 * @ingroup monitor 2576 */ 2577 GLFWAPI GLFWmonitor** glfwGetMonitors(int* count); 2578 2579 /*! @brief Returns the primary monitor. 2580 * 2581 * This function returns the primary monitor. This is usually the monitor 2582 * where elements like the task bar or global menu bar are located. 2583 * 2584 * @return The primary monitor, or `NULL` if no monitors were found or if an 2585 * [error](@ref error_handling) occurred. 2586 * 2587 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 2588 * 2589 * @thread_safety This function must only be called from the main thread. 2590 * 2591 * @remark The primary monitor is always first in the array returned by @ref 2592 * glfwGetMonitors. 2593 * 2594 * @sa @ref monitor_monitors 2595 * @sa @ref glfwGetMonitors 2596 * 2597 * @since Added in version 3.0. 2598 * 2599 * @ingroup monitor 2600 */ 2601 GLFWAPI GLFWmonitor* glfwGetPrimaryMonitor(void); 2602 2603 /*! @brief Returns the position of the monitor's viewport on the virtual screen. 2604 * 2605 * This function returns the position, in screen coordinates, of the upper-left 2606 * corner of the specified monitor. 2607 * 2608 * Any or all of the position arguments may be `NULL`. If an error occurs, all 2609 * non-`NULL` position arguments will be set to zero. 2610 * 2611 * @param[in] monitor The monitor to query. 2612 * @param[out] xpos Where to store the monitor x-coordinate, or `NULL`. 2613 * @param[out] ypos Where to store the monitor y-coordinate, or `NULL`. 2614 * 2615 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 2616 * GLFW_PLATFORM_ERROR. 2617 * 2618 * @thread_safety This function must only be called from the main thread. 2619 * 2620 * @sa @ref monitor_properties 2621 * 2622 * @since Added in version 3.0. 2623 * 2624 * @ingroup monitor 2625 */ 2626 GLFWAPI void glfwGetMonitorPos(GLFWmonitor* monitor, int* xpos, int* ypos); 2627 2628 /*! @brief Retrieves the work area of the monitor. 2629 * 2630 * This function returns the position, in screen coordinates, of the upper-left 2631 * corner of the work area of the specified monitor along with the work area 2632 * size in screen coordinates. The work area is defined as the area of the 2633 * monitor not occluded by the window system task bar where present. If no 2634 * task bar exists then the work area is the monitor resolution in screen 2635 * coordinates. 2636 * 2637 * Any or all of the position and size arguments may be `NULL`. If an error 2638 * occurs, all non-`NULL` position and size arguments will be set to zero. 2639 * 2640 * @param[in] monitor The monitor to query. 2641 * @param[out] xpos Where to store the monitor x-coordinate, or `NULL`. 2642 * @param[out] ypos Where to store the monitor y-coordinate, or `NULL`. 2643 * @param[out] width Where to store the monitor width, or `NULL`. 2644 * @param[out] height Where to store the monitor height, or `NULL`. 2645 * 2646 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 2647 * GLFW_PLATFORM_ERROR. 2648 * 2649 * @thread_safety This function must only be called from the main thread. 2650 * 2651 * @sa @ref monitor_workarea 2652 * 2653 * @since Added in version 3.3. 2654 * 2655 * @ingroup monitor 2656 */ 2657 GLFWAPI void glfwGetMonitorWorkarea(GLFWmonitor* monitor, int* xpos, int* ypos, int* width, int* height); 2658 2659 /*! @brief Returns the physical size of the monitor. 2660 * 2661 * This function returns the size, in millimetres, of the display area of the 2662 * specified monitor. 2663 * 2664 * Some platforms do not provide accurate monitor size information, either 2665 * because the monitor [EDID][] data is incorrect or because the driver does 2666 * not report it accurately. 2667 * 2668 * [EDID]: https://en.wikipedia.org/wiki/Extended_display_identification_data 2669 * 2670 * Any or all of the size arguments may be `NULL`. If an error occurs, all 2671 * non-`NULL` size arguments will be set to zero. 2672 * 2673 * @param[in] monitor The monitor to query. 2674 * @param[out] widthMM Where to store the width, in millimetres, of the 2675 * monitor's display area, or `NULL`. 2676 * @param[out] heightMM Where to store the height, in millimetres, of the 2677 * monitor's display area, or `NULL`. 2678 * 2679 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 2680 * 2681 * @remark @win32 On Windows 8 and earlier the physical size is calculated from 2682 * the current resolution and system DPI instead of querying the monitor EDID data. 2683 * 2684 * @thread_safety This function must only be called from the main thread. 2685 * 2686 * @sa @ref monitor_properties 2687 * 2688 * @since Added in version 3.0. 2689 * 2690 * @ingroup monitor 2691 */ 2692 GLFWAPI void glfwGetMonitorPhysicalSize(GLFWmonitor* monitor, int* widthMM, int* heightMM); 2693 2694 /*! @brief Retrieves the content scale for the specified monitor. 2695 * 2696 * This function retrieves the content scale for the specified monitor. The 2697 * content scale is the ratio between the current DPI and the platform's 2698 * default DPI. This is especially important for text and any UI elements. If 2699 * the pixel dimensions of your UI scaled by this look appropriate on your 2700 * machine then it should appear at a reasonable size on other machines 2701 * regardless of their DPI and scaling settings. This relies on the system DPI 2702 * and scaling settings being somewhat correct. 2703 * 2704 * The content scale may depend on both the monitor resolution and pixel 2705 * density and on user settings. It may be very different from the raw DPI 2706 * calculated from the physical size and current resolution. 2707 * 2708 * @param[in] monitor The monitor to query. 2709 * @param[out] xscale Where to store the x-axis content scale, or `NULL`. 2710 * @param[out] yscale Where to store the y-axis content scale, or `NULL`. 2711 * 2712 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 2713 * GLFW_PLATFORM_ERROR. 2714 * 2715 * @remark @wayland Fractional scaling information is not yet available for 2716 * monitors, so this function only returns integer content scales. 2717 * 2718 * @thread_safety This function must only be called from the main thread. 2719 * 2720 * @sa @ref monitor_scale 2721 * @sa @ref glfwGetWindowContentScale 2722 * 2723 * @since Added in version 3.3. 2724 * 2725 * @ingroup monitor 2726 */ 2727 GLFWAPI void glfwGetMonitorContentScale(GLFWmonitor* monitor, float* xscale, float* yscale); 2728 2729 /*! @brief Returns the name of the specified monitor. 2730 * 2731 * This function returns a human-readable name, encoded as UTF-8, of the 2732 * specified monitor. The name typically reflects the make and model of the 2733 * monitor and is not guaranteed to be unique among the connected monitors. 2734 * 2735 * @param[in] monitor The monitor to query. 2736 * @return The UTF-8 encoded name of the monitor, or `NULL` if an 2737 * [error](@ref error_handling) occurred. 2738 * 2739 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 2740 * 2741 * @pointer_lifetime The returned string is allocated and freed by GLFW. You 2742 * should not free it yourself. It is valid until the specified monitor is 2743 * disconnected or the library is terminated. 2744 * 2745 * @thread_safety This function must only be called from the main thread. 2746 * 2747 * @sa @ref monitor_properties 2748 * 2749 * @since Added in version 3.0. 2750 * 2751 * @ingroup monitor 2752 */ 2753 GLFWAPI const char* glfwGetMonitorName(GLFWmonitor* monitor); 2754 2755 /*! @brief Sets the user pointer of the specified monitor. 2756 * 2757 * This function sets the user-defined pointer of the specified monitor. The 2758 * current value is retained until the monitor is disconnected. The initial 2759 * value is `NULL`. 2760 * 2761 * This function may be called from the monitor callback, even for a monitor 2762 * that is being disconnected. 2763 * 2764 * @param[in] monitor The monitor whose pointer to set. 2765 * @param[in] pointer The new value. 2766 * 2767 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 2768 * 2769 * @thread_safety This function may be called from any thread. Access is not 2770 * synchronized. 2771 * 2772 * @sa @ref monitor_userptr 2773 * @sa @ref glfwGetMonitorUserPointer 2774 * 2775 * @since Added in version 3.3. 2776 * 2777 * @ingroup monitor 2778 */ 2779 GLFWAPI void glfwSetMonitorUserPointer(GLFWmonitor* monitor, void* pointer); 2780 2781 /*! @brief Returns the user pointer of the specified monitor. 2782 * 2783 * This function returns the current value of the user-defined pointer of the 2784 * specified monitor. The initial value is `NULL`. 2785 * 2786 * This function may be called from the monitor callback, even for a monitor 2787 * that is being disconnected. 2788 * 2789 * @param[in] monitor The monitor whose pointer to return. 2790 * 2791 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 2792 * 2793 * @thread_safety This function may be called from any thread. Access is not 2794 * synchronized. 2795 * 2796 * @sa @ref monitor_userptr 2797 * @sa @ref glfwSetMonitorUserPointer 2798 * 2799 * @since Added in version 3.3. 2800 * 2801 * @ingroup monitor 2802 */ 2803 GLFWAPI void* glfwGetMonitorUserPointer(GLFWmonitor* monitor); 2804 2805 /*! @brief Sets the monitor configuration callback. 2806 * 2807 * This function sets the monitor configuration callback, or removes the 2808 * currently set callback. This is called when a monitor is connected to or 2809 * disconnected from the system. 2810 * 2811 * @param[in] callback The new callback, or `NULL` to remove the currently set 2812 * callback. 2813 * @return The previously set callback, or `NULL` if no callback was set or the 2814 * library had not been [initialized](@ref intro_init). 2815 * 2816 * @callback_signature 2817 * @code 2818 * void function_name(GLFWmonitor* monitor, int event) 2819 * @endcode 2820 * For more information about the callback parameters, see the 2821 * [function pointer type](@ref GLFWmonitorfun). 2822 * 2823 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 2824 * 2825 * @thread_safety This function must only be called from the main thread. 2826 * 2827 * @sa @ref monitor_event 2828 * 2829 * @since Added in version 3.0. 2830 * 2831 * @ingroup monitor 2832 */ 2833 GLFWAPI GLFWmonitorfun glfwSetMonitorCallback(GLFWmonitorfun callback); 2834 2835 /*! @brief Returns the available video modes for the specified monitor. 2836 * 2837 * This function returns an array of all video modes supported by the specified 2838 * monitor. The returned array is sorted in ascending order, first by color 2839 * bit depth (the sum of all channel depths), then by resolution area (the 2840 * product of width and height), then resolution width and finally by refresh 2841 * rate. 2842 * 2843 * @param[in] monitor The monitor to query. 2844 * @param[out] count Where to store the number of video modes in the returned 2845 * array. This is set to zero if an error occurred. 2846 * @return An array of video modes, or `NULL` if an 2847 * [error](@ref error_handling) occurred. 2848 * 2849 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 2850 * GLFW_PLATFORM_ERROR. 2851 * 2852 * @pointer_lifetime The returned array is allocated and freed by GLFW. You 2853 * should not free it yourself. It is valid until the specified monitor is 2854 * disconnected, this function is called again for that monitor or the library 2855 * is terminated. 2856 * 2857 * @thread_safety This function must only be called from the main thread. 2858 * 2859 * @sa @ref monitor_modes 2860 * @sa @ref glfwGetVideoMode 2861 * 2862 * @since Added in version 1.0. 2863 * @glfw3 Changed to return an array of modes for a specific monitor. 2864 * 2865 * @ingroup monitor 2866 */ 2867 GLFWAPI const GLFWvidmode* glfwGetVideoModes(GLFWmonitor* monitor, int* count); 2868 2869 /*! @brief Returns the current mode of the specified monitor. 2870 * 2871 * This function returns the current video mode of the specified monitor. If 2872 * you have created a full screen window for that monitor, the return value 2873 * will depend on whether that window is iconified. 2874 * 2875 * @param[in] monitor The monitor to query. 2876 * @return The current mode of the monitor, or `NULL` if an 2877 * [error](@ref error_handling) occurred. 2878 * 2879 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 2880 * GLFW_PLATFORM_ERROR. 2881 * 2882 * @pointer_lifetime The returned array is allocated and freed by GLFW. You 2883 * should not free it yourself. It is valid until the specified monitor is 2884 * disconnected or the library is terminated. 2885 * 2886 * @thread_safety This function must only be called from the main thread. 2887 * 2888 * @sa @ref monitor_modes 2889 * @sa @ref glfwGetVideoModes 2890 * 2891 * @since Added in version 3.0. Replaces `glfwGetDesktopMode`. 2892 * 2893 * @ingroup monitor 2894 */ 2895 GLFWAPI const GLFWvidmode* glfwGetVideoMode(GLFWmonitor* monitor); 2896 2897 /*! @brief Generates a gamma ramp and sets it for the specified monitor. 2898 * 2899 * This function generates an appropriately sized gamma ramp from the specified 2900 * exponent and then calls @ref glfwSetGammaRamp with it. The value must be 2901 * a finite number greater than zero. 2902 * 2903 * The software controlled gamma ramp is applied _in addition_ to the hardware 2904 * gamma correction, which today is usually an approximation of sRGB gamma. 2905 * This means that setting a perfectly linear ramp, or gamma 1.0, will produce 2906 * the default (usually sRGB-like) behavior. 2907 * 2908 * For gamma correct rendering with OpenGL or OpenGL ES, see the @ref 2909 * GLFW_SRGB_CAPABLE hint. 2910 * 2911 * @param[in] monitor The monitor whose gamma ramp to set. 2912 * @param[in] gamma The desired exponent. 2913 * 2914 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref GLFW_INVALID_VALUE, 2915 * @ref GLFW_PLATFORM_ERROR and @ref GLFW_FEATURE_UNAVAILABLE (see remarks). 2916 * 2917 * @remark @wayland Gamma handling is a privileged protocol, this function 2918 * will thus never be implemented and emits @ref GLFW_FEATURE_UNAVAILABLE. 2919 * 2920 * @thread_safety This function must only be called from the main thread. 2921 * 2922 * @sa @ref monitor_gamma 2923 * 2924 * @since Added in version 3.0. 2925 * 2926 * @ingroup monitor 2927 */ 2928 GLFWAPI void glfwSetGamma(GLFWmonitor* monitor, float gamma); 2929 2930 /*! @brief Returns the current gamma ramp for the specified monitor. 2931 * 2932 * This function returns the current gamma ramp of the specified monitor. 2933 * 2934 * @param[in] monitor The monitor to query. 2935 * @return The current gamma ramp, or `NULL` if an 2936 * [error](@ref error_handling) occurred. 2937 * 2938 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref GLFW_PLATFORM_ERROR 2939 * and @ref GLFW_FEATURE_UNAVAILABLE (see remarks). 2940 * 2941 * @remark @wayland Gamma handling is a privileged protocol, this function 2942 * will thus never be implemented and emits @ref GLFW_FEATURE_UNAVAILABLE while 2943 * returning `NULL`. 2944 * 2945 * @pointer_lifetime The returned structure and its arrays are allocated and 2946 * freed by GLFW. You should not free them yourself. They are valid until the 2947 * specified monitor is disconnected, this function is called again for that 2948 * monitor or the library is terminated. 2949 * 2950 * @thread_safety This function must only be called from the main thread. 2951 * 2952 * @sa @ref monitor_gamma 2953 * 2954 * @since Added in version 3.0. 2955 * 2956 * @ingroup monitor 2957 */ 2958 GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* monitor); 2959 2960 /*! @brief Sets the current gamma ramp for the specified monitor. 2961 * 2962 * This function sets the current gamma ramp for the specified monitor. The 2963 * original gamma ramp for that monitor is saved by GLFW the first time this 2964 * function is called and is restored by @ref glfwTerminate. 2965 * 2966 * The software controlled gamma ramp is applied _in addition_ to the hardware 2967 * gamma correction, which today is usually an approximation of sRGB gamma. 2968 * This means that setting a perfectly linear ramp, or gamma 1.0, will produce 2969 * the default (usually sRGB-like) behavior. 2970 * 2971 * For gamma correct rendering with OpenGL or OpenGL ES, see the @ref 2972 * GLFW_SRGB_CAPABLE hint. 2973 * 2974 * @param[in] monitor The monitor whose gamma ramp to set. 2975 * @param[in] ramp The gamma ramp to use. 2976 * 2977 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref GLFW_PLATFORM_ERROR 2978 * and @ref GLFW_FEATURE_UNAVAILABLE (see remarks). 2979 * 2980 * @remark The size of the specified gamma ramp should match the size of the 2981 * current ramp for that monitor. 2982 * 2983 * @remark @win32 The gamma ramp size must be 256. 2984 * 2985 * @remark @wayland Gamma handling is a privileged protocol, this function 2986 * will thus never be implemented and emits @ref GLFW_FEATURE_UNAVAILABLE. 2987 * 2988 * @pointer_lifetime The specified gamma ramp is copied before this function 2989 * returns. 2990 * 2991 * @thread_safety This function must only be called from the main thread. 2992 * 2993 * @sa @ref monitor_gamma 2994 * 2995 * @since Added in version 3.0. 2996 * 2997 * @ingroup monitor 2998 */ 2999 GLFWAPI void glfwSetGammaRamp(GLFWmonitor* monitor, const GLFWgammaramp* ramp); 3000 3001 /*! @brief Resets all window hints to their default values. 3002 * 3003 * This function resets all window hints to their 3004 * [default values](@ref window_hints_values). 3005 * 3006 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 3007 * 3008 * @thread_safety This function must only be called from the main thread. 3009 * 3010 * @sa @ref window_hints 3011 * @sa @ref glfwWindowHint 3012 * @sa @ref glfwWindowHintString 3013 * 3014 * @since Added in version 3.0. 3015 * 3016 * @ingroup window 3017 */ 3018 GLFWAPI void glfwDefaultWindowHints(void); 3019 3020 /*! @brief Sets the specified window hint to the desired value. 3021 * 3022 * This function sets hints for the next call to @ref glfwCreateWindow. The 3023 * hints, once set, retain their values until changed by a call to this 3024 * function or @ref glfwDefaultWindowHints, or until the library is terminated. 3025 * 3026 * Only integer value hints can be set with this function. String value hints 3027 * are set with @ref glfwWindowHintString. 3028 * 3029 * This function does not check whether the specified hint values are valid. 3030 * If you set hints to invalid values this will instead be reported by the next 3031 * call to @ref glfwCreateWindow. 3032 * 3033 * Some hints are platform specific. These may be set on any platform but they 3034 * will only affect their specific platform. Other platforms will ignore them. 3035 * Setting these hints requires no platform specific headers or functions. 3036 * 3037 * @param[in] hint The [window hint](@ref window_hints) to set. 3038 * @param[in] value The new value of the window hint. 3039 * 3040 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3041 * GLFW_INVALID_ENUM. 3042 * 3043 * @thread_safety This function must only be called from the main thread. 3044 * 3045 * @sa @ref window_hints 3046 * @sa @ref glfwWindowHintString 3047 * @sa @ref glfwDefaultWindowHints 3048 * 3049 * @since Added in version 3.0. Replaces `glfwOpenWindowHint`. 3050 * 3051 * @ingroup window 3052 */ 3053 GLFWAPI void glfwWindowHint(int hint, int value); 3054 3055 /*! @brief Sets the specified window hint to the desired value. 3056 * 3057 * This function sets hints for the next call to @ref glfwCreateWindow. The 3058 * hints, once set, retain their values until changed by a call to this 3059 * function or @ref glfwDefaultWindowHints, or until the library is terminated. 3060 * 3061 * Only string type hints can be set with this function. Integer value hints 3062 * are set with @ref glfwWindowHint. 3063 * 3064 * This function does not check whether the specified hint values are valid. 3065 * If you set hints to invalid values this will instead be reported by the next 3066 * call to @ref glfwCreateWindow. 3067 * 3068 * Some hints are platform specific. These may be set on any platform but they 3069 * will only affect their specific platform. Other platforms will ignore them. 3070 * Setting these hints requires no platform specific headers or functions. 3071 * 3072 * @param[in] hint The [window hint](@ref window_hints) to set. 3073 * @param[in] value The new value of the window hint. 3074 * 3075 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3076 * GLFW_INVALID_ENUM. 3077 * 3078 * @pointer_lifetime The specified string is copied before this function 3079 * returns. 3080 * 3081 * @thread_safety This function must only be called from the main thread. 3082 * 3083 * @sa @ref window_hints 3084 * @sa @ref glfwWindowHint 3085 * @sa @ref glfwDefaultWindowHints 3086 * 3087 * @since Added in version 3.3. 3088 * 3089 * @ingroup window 3090 */ 3091 GLFWAPI void glfwWindowHintString(int hint, const char* value); 3092 3093 /*! @brief Creates a window and its associated context. 3094 * 3095 * This function creates a window and its associated OpenGL or OpenGL ES 3096 * context. Most of the options controlling how the window and its context 3097 * should be created are specified with [window hints](@ref window_hints). 3098 * 3099 * Successful creation does not change which context is current. Before you 3100 * can use the newly created context, you need to 3101 * [make it current](@ref context_current). For information about the `share` 3102 * parameter, see @ref context_sharing. 3103 * 3104 * The created window, framebuffer and context may differ from what you 3105 * requested, as not all parameters and hints are 3106 * [hard constraints](@ref window_hints_hard). This includes the size of the 3107 * window, especially for full screen windows. To query the actual attributes 3108 * of the created window, framebuffer and context, see @ref 3109 * glfwGetWindowAttrib, @ref glfwGetWindowSize and @ref glfwGetFramebufferSize. 3110 * 3111 * To create a full screen window, you need to specify the monitor the window 3112 * will cover. If no monitor is specified, the window will be windowed mode. 3113 * Unless you have a way for the user to choose a specific monitor, it is 3114 * recommended that you pick the primary monitor. For more information on how 3115 * to query connected monitors, see @ref monitor_monitors. 3116 * 3117 * For full screen windows, the specified size becomes the resolution of the 3118 * window's _desired video mode_. As long as a full screen window is not 3119 * iconified, the supported video mode most closely matching the desired video 3120 * mode is set for the specified monitor. For more information about full 3121 * screen windows, including the creation of so called _windowed full screen_ 3122 * or _borderless full screen_ windows, see @ref window_windowed_full_screen. 3123 * 3124 * Once you have created the window, you can switch it between windowed and 3125 * full screen mode with @ref glfwSetWindowMonitor. This will not affect its 3126 * OpenGL or OpenGL ES context. 3127 * 3128 * By default, newly created windows use the placement recommended by the 3129 * window system. To create the window at a specific position, set the @ref 3130 * GLFW_POSITION_X and @ref GLFW_POSITION_Y window hints before creation. To 3131 * restore the default behavior, set either or both hints back to 3132 * `GLFW_ANY_POSITION`. 3133 * 3134 * As long as at least one full screen window is not iconified, the screensaver 3135 * is prohibited from starting. 3136 * 3137 * Window systems put limits on window sizes. Very large or very small window 3138 * dimensions may be overridden by the window system on creation. Check the 3139 * actual [size](@ref window_size) after creation. 3140 * 3141 * The [swap interval](@ref buffer_swap) is not set during window creation and 3142 * the initial value may vary depending on driver settings and defaults. 3143 * 3144 * @param[in] width The desired width, in screen coordinates, of the window. 3145 * This must be greater than zero. 3146 * @param[in] height The desired height, in screen coordinates, of the window. 3147 * This must be greater than zero. 3148 * @param[in] title The initial, UTF-8 encoded window title. 3149 * @param[in] monitor The monitor to use for full screen mode, or `NULL` for 3150 * windowed mode. 3151 * @param[in] share The window whose context to share resources with, or `NULL` 3152 * to not share resources. 3153 * @return The handle of the created window, or `NULL` if an 3154 * [error](@ref error_handling) occurred. 3155 * 3156 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 3157 * GLFW_INVALID_ENUM, @ref GLFW_INVALID_VALUE, @ref GLFW_API_UNAVAILABLE, @ref 3158 * GLFW_VERSION_UNAVAILABLE, @ref GLFW_FORMAT_UNAVAILABLE, @ref 3159 * GLFW_NO_WINDOW_CONTEXT and @ref GLFW_PLATFORM_ERROR. 3160 * 3161 * @remark @win32 Window creation will fail if the Microsoft GDI software 3162 * OpenGL implementation is the only one available. 3163 * 3164 * @remark @win32 If the executable has an icon resource named `GLFW_ICON,` it 3165 * will be set as the initial icon for the window. If no such icon is present, 3166 * the `IDI_APPLICATION` icon will be used instead. To set a different icon, 3167 * see @ref glfwSetWindowIcon. 3168 * 3169 * @remark @win32 The context to share resources with must not be current on 3170 * any other thread. 3171 * 3172 * @remark @macos The OS only supports core profile contexts for OpenGL 3173 * versions 3.2 and later. Before creating an OpenGL context of version 3.2 or 3174 * later you must set the [GLFW_OPENGL_PROFILE](@ref GLFW_OPENGL_PROFILE_hint) 3175 * hint accordingly. OpenGL 3.0 and 3.1 contexts are not supported at all 3176 * on macOS. 3177 * 3178 * @remark @macos The GLFW window has no icon, as it is not a document 3179 * window, but the dock icon will be the same as the application bundle's icon. 3180 * For more information on bundles, see the 3181 * [Bundle Programming Guide][bundle-guide] in the Mac Developer Library. 3182 * 3183 * [bundle-guide]: https://developer.apple.com/library/mac/documentation/CoreFoundation/Conceptual/CFBundles/ 3184 * 3185 * @remark @macos On OS X 10.10 and later the window frame will not be rendered 3186 * at full resolution on Retina displays unless the 3187 * [GLFW_SCALE_FRAMEBUFFER](@ref GLFW_SCALE_FRAMEBUFFER_hint) 3188 * hint is `GLFW_TRUE` and the `NSHighResolutionCapable` key is enabled in the 3189 * application bundle's `Info.plist`. For more information, see 3190 * [High Resolution Guidelines for OS X][hidpi-guide] in the Mac Developer 3191 * Library. The GLFW test and example programs use a custom `Info.plist` 3192 * template for this, which can be found as `CMake/Info.plist.in` in the source 3193 * tree. 3194 * 3195 * [hidpi-guide]: https://developer.apple.com/library/mac/documentation/GraphicsAnimation/Conceptual/HighResolutionOSX/Explained/Explained.html 3196 * 3197 * @remark @macos When activating frame autosaving with 3198 * [GLFW_COCOA_FRAME_NAME](@ref GLFW_COCOA_FRAME_NAME_hint), the specified 3199 * window size and position may be overridden by previously saved values. 3200 * 3201 * @remark @wayland GLFW uses [libdecor][] where available to create its window 3202 * decorations. This in turn uses server-side XDG decorations where available 3203 * and provides high quality client-side decorations on compositors like GNOME. 3204 * If both XDG decorations and libdecor are unavailable, GLFW falls back to 3205 * a very simple set of window decorations that only support moving, resizing 3206 * and the window manager's right-click menu. 3207 * 3208 * [libdecor]: https://gitlab.freedesktop.org/libdecor/libdecor 3209 * 3210 * @remark @x11 Some window managers will not respect the placement of 3211 * initially hidden windows. 3212 * 3213 * @remark @x11 Due to the asynchronous nature of X11, it may take a moment for 3214 * a window to reach its requested state. This means you may not be able to 3215 * query the final size, position or other attributes directly after window 3216 * creation. 3217 * 3218 * @remark @x11 The class part of the `WM_CLASS` window property will by 3219 * default be set to the window title passed to this function. The instance 3220 * part will use the contents of the `RESOURCE_NAME` environment variable, if 3221 * present and not empty, or fall back to the window title. Set the 3222 * [GLFW_X11_CLASS_NAME](@ref GLFW_X11_CLASS_NAME_hint) and 3223 * [GLFW_X11_INSTANCE_NAME](@ref GLFW_X11_INSTANCE_NAME_hint) window hints to 3224 * override this. 3225 * 3226 * @thread_safety This function must only be called from the main thread. 3227 * 3228 * @sa @ref window_creation 3229 * @sa @ref glfwDestroyWindow 3230 * 3231 * @since Added in version 3.0. Replaces `glfwOpenWindow`. 3232 * 3233 * @ingroup window 3234 */ 3235 GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height, const char* title, GLFWmonitor* monitor, GLFWwindow* share); 3236 3237 /*! @brief Destroys the specified window and its context. 3238 * 3239 * This function destroys the specified window and its context. On calling 3240 * this function, no further callbacks will be called for that window. 3241 * 3242 * If the context of the specified window is current on the main thread, it is 3243 * detached before being destroyed. 3244 * 3245 * @param[in] window The window to destroy. 3246 * 3247 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3248 * GLFW_PLATFORM_ERROR. 3249 * 3250 * @note The context of the specified window must not be current on any other 3251 * thread when this function is called. 3252 * 3253 * @reentrancy This function must not be called from a callback. 3254 * 3255 * @thread_safety This function must only be called from the main thread. 3256 * 3257 * @sa @ref window_creation 3258 * @sa @ref glfwCreateWindow 3259 * 3260 * @since Added in version 3.0. Replaces `glfwCloseWindow`. 3261 * 3262 * @ingroup window 3263 */ 3264 GLFWAPI void glfwDestroyWindow(GLFWwindow* window); 3265 3266 /*! @brief Checks the close flag of the specified window. 3267 * 3268 * This function returns the value of the close flag of the specified window. 3269 * 3270 * @param[in] window The window to query. 3271 * @return The value of the close flag. 3272 * 3273 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 3274 * 3275 * @thread_safety This function may be called from any thread. Access is not 3276 * synchronized. 3277 * 3278 * @sa @ref window_close 3279 * 3280 * @since Added in version 3.0. 3281 * 3282 * @ingroup window 3283 */ 3284 GLFWAPI int glfwWindowShouldClose(GLFWwindow* window); 3285 3286 /*! @brief Sets the close flag of the specified window. 3287 * 3288 * This function sets the value of the close flag of the specified window. 3289 * This can be used to override the user's attempt to close the window, or 3290 * to signal that it should be closed. 3291 * 3292 * @param[in] window The window whose flag to change. 3293 * @param[in] value The new value. 3294 * 3295 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 3296 * 3297 * @thread_safety This function may be called from any thread. Access is not 3298 * synchronized. 3299 * 3300 * @sa @ref window_close 3301 * 3302 * @since Added in version 3.0. 3303 * 3304 * @ingroup window 3305 */ 3306 GLFWAPI void glfwSetWindowShouldClose(GLFWwindow* window, int value); 3307 3308 /*! @brief Returns the title of the specified window. 3309 * 3310 * This function returns the window title, encoded as UTF-8, of the specified 3311 * window. This is the title set previously by @ref glfwCreateWindow 3312 * or @ref glfwSetWindowTitle. 3313 * 3314 * @param[in] window The window to query. 3315 * @return The UTF-8 encoded window title, or `NULL` if an 3316 * [error](@ref error_handling) occurred. 3317 * 3318 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 3319 * 3320 * @remark The returned title is currently a copy of the title last set by @ref 3321 * glfwCreateWindow or @ref glfwSetWindowTitle. It does not include any 3322 * additional text which may be appended by the platform or another program. 3323 * 3324 * @pointer_lifetime The returned string is allocated and freed by GLFW. You 3325 * should not free it yourself. It is valid until the next call to @ref 3326 * glfwGetWindowTitle or @ref glfwSetWindowTitle, or until the library is 3327 * terminated. 3328 * 3329 * @thread_safety This function must only be called from the main thread. 3330 * 3331 * @sa @ref window_title 3332 * @sa @ref glfwSetWindowTitle 3333 * 3334 * @since Added in version 3.4. 3335 * 3336 * @ingroup window 3337 */ 3338 GLFWAPI const char* glfwGetWindowTitle(GLFWwindow* window); 3339 3340 /*! @brief Sets the title of the specified window. 3341 * 3342 * This function sets the window title, encoded as UTF-8, of the specified 3343 * window. 3344 * 3345 * @param[in] window The window whose title to change. 3346 * @param[in] title The UTF-8 encoded window title. 3347 * 3348 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3349 * GLFW_PLATFORM_ERROR. 3350 * 3351 * @remark @macos The window title will not be updated until the next time you 3352 * process events. 3353 * 3354 * @thread_safety This function must only be called from the main thread. 3355 * 3356 * @sa @ref window_title 3357 * @sa @ref glfwGetWindowTitle 3358 * 3359 * @since Added in version 1.0. 3360 * @glfw3 Added window handle parameter. 3361 * 3362 * @ingroup window 3363 */ 3364 GLFWAPI void glfwSetWindowTitle(GLFWwindow* window, const char* title); 3365 3366 /*! @brief Sets the icon for the specified window. 3367 * 3368 * This function sets the icon of the specified window. If passed an array of 3369 * candidate images, those of or closest to the sizes desired by the system are 3370 * selected. If no images are specified, the window reverts to its default 3371 * icon. 3372 * 3373 * The pixels are 32-bit, little-endian, non-premultiplied RGBA, i.e. eight 3374 * bits per channel with the red channel first. They are arranged canonically 3375 * as packed sequential rows, starting from the top-left corner. 3376 * 3377 * The desired image sizes varies depending on platform and system settings. 3378 * The selected images will be rescaled as needed. Good sizes include 16x16, 3379 * 32x32 and 48x48. 3380 * 3381 * @param[in] window The window whose icon to set. 3382 * @param[in] count The number of images in the specified array, or zero to 3383 * revert to the default window icon. 3384 * @param[in] images The images to create the icon from. This is ignored if 3385 * count is zero. 3386 * 3387 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 3388 * GLFW_INVALID_VALUE, @ref GLFW_PLATFORM_ERROR and @ref 3389 * GLFW_FEATURE_UNAVAILABLE (see remarks). 3390 * 3391 * @pointer_lifetime The specified image data is copied before this function 3392 * returns. 3393 * 3394 * @remark @macos Regular windows do not have icons on macOS. This function 3395 * will emit @ref GLFW_FEATURE_UNAVAILABLE. The dock icon will be the same as 3396 * the application bundle's icon. For more information on bundles, see the 3397 * [Bundle Programming Guide][bundle-guide] in the Mac Developer Library. 3398 * 3399 * [bundle-guide]: https://developer.apple.com/library/mac/documentation/CoreFoundation/Conceptual/CFBundles/ 3400 * 3401 * @remark @wayland There is no existing protocol to change an icon, the 3402 * window will thus inherit the one defined in the application's desktop file. 3403 * This function will emit @ref GLFW_FEATURE_UNAVAILABLE. 3404 * 3405 * @thread_safety This function must only be called from the main thread. 3406 * 3407 * @sa @ref window_icon 3408 * 3409 * @since Added in version 3.2. 3410 * 3411 * @ingroup window 3412 */ 3413 GLFWAPI void glfwSetWindowIcon(GLFWwindow* window, int count, const GLFWimage* images); 3414 3415 /*! @brief Retrieves the position of the content area of the specified window. 3416 * 3417 * This function retrieves the position, in screen coordinates, of the 3418 * upper-left corner of the content area of the specified window. 3419 * 3420 * Any or all of the position arguments may be `NULL`. If an error occurs, all 3421 * non-`NULL` position arguments will be set to zero. 3422 * 3423 * @param[in] window The window to query. 3424 * @param[out] xpos Where to store the x-coordinate of the upper-left corner of 3425 * the content area, or `NULL`. 3426 * @param[out] ypos Where to store the y-coordinate of the upper-left corner of 3427 * the content area, or `NULL`. 3428 * 3429 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 3430 * GLFW_PLATFORM_ERROR and @ref GLFW_FEATURE_UNAVAILABLE (see remarks). 3431 * 3432 * @remark @wayland There is no way for an application to retrieve the global 3433 * position of its windows. This function will emit @ref 3434 * GLFW_FEATURE_UNAVAILABLE. 3435 * 3436 * @thread_safety This function must only be called from the main thread. 3437 * 3438 * @sa @ref window_pos 3439 * @sa @ref glfwSetWindowPos 3440 * 3441 * @since Added in version 3.0. 3442 * 3443 * @ingroup window 3444 */ 3445 GLFWAPI void glfwGetWindowPos(GLFWwindow* window, int* xpos, int* ypos); 3446 3447 /*! @brief Sets the position of the content area of the specified window. 3448 * 3449 * This function sets the position, in screen coordinates, of the upper-left 3450 * corner of the content area of the specified windowed mode window. If the 3451 * window is a full screen window, this function does nothing. 3452 * 3453 * __Do not use this function__ to move an already visible window unless you 3454 * have very good reasons for doing so, as it will confuse and annoy the user. 3455 * 3456 * The window manager may put limits on what positions are allowed. GLFW 3457 * cannot and should not override these limits. 3458 * 3459 * @param[in] window The window to query. 3460 * @param[in] xpos The x-coordinate of the upper-left corner of the content area. 3461 * @param[in] ypos The y-coordinate of the upper-left corner of the content area. 3462 * 3463 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 3464 * GLFW_PLATFORM_ERROR and @ref GLFW_FEATURE_UNAVAILABLE (see remarks). 3465 * 3466 * @remark @wayland There is no way for an application to set the global 3467 * position of its windows. This function will emit @ref 3468 * GLFW_FEATURE_UNAVAILABLE. 3469 * 3470 * @thread_safety This function must only be called from the main thread. 3471 * 3472 * @sa @ref window_pos 3473 * @sa @ref glfwGetWindowPos 3474 * 3475 * @since Added in version 1.0. 3476 * @glfw3 Added window handle parameter. 3477 * 3478 * @ingroup window 3479 */ 3480 GLFWAPI void glfwSetWindowPos(GLFWwindow* window, int xpos, int ypos); 3481 3482 /*! @brief Retrieves the size of the content area of the specified window. 3483 * 3484 * This function retrieves the size, in screen coordinates, of the content area 3485 * of the specified window. If you wish to retrieve the size of the 3486 * framebuffer of the window in pixels, see @ref glfwGetFramebufferSize. 3487 * 3488 * Any or all of the size arguments may be `NULL`. If an error occurs, all 3489 * non-`NULL` size arguments will be set to zero. 3490 * 3491 * @param[in] window The window whose size to retrieve. 3492 * @param[out] width Where to store the width, in screen coordinates, of the 3493 * content area, or `NULL`. 3494 * @param[out] height Where to store the height, in screen coordinates, of the 3495 * content area, or `NULL`. 3496 * 3497 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3498 * GLFW_PLATFORM_ERROR. 3499 * 3500 * @thread_safety This function must only be called from the main thread. 3501 * 3502 * @sa @ref window_size 3503 * @sa @ref glfwSetWindowSize 3504 * 3505 * @since Added in version 1.0. 3506 * @glfw3 Added window handle parameter. 3507 * 3508 * @ingroup window 3509 */ 3510 GLFWAPI void glfwGetWindowSize(GLFWwindow* window, int* width, int* height); 3511 3512 /*! @brief Sets the size limits of the specified window. 3513 * 3514 * This function sets the size limits of the content area of the specified 3515 * window. If the window is full screen, the size limits only take effect 3516 * once it is made windowed. If the window is not resizable, this function 3517 * does nothing. 3518 * 3519 * The size limits are applied immediately to a windowed mode window and may 3520 * cause it to be resized. 3521 * 3522 * The maximum dimensions must be greater than or equal to the minimum 3523 * dimensions and all must be greater than or equal to zero. 3524 * 3525 * @param[in] window The window to set limits for. 3526 * @param[in] minwidth The minimum width, in screen coordinates, of the content 3527 * area, or `GLFW_DONT_CARE`. 3528 * @param[in] minheight The minimum height, in screen coordinates, of the 3529 * content area, or `GLFW_DONT_CARE`. 3530 * @param[in] maxwidth The maximum width, in screen coordinates, of the content 3531 * area, or `GLFW_DONT_CARE`. 3532 * @param[in] maxheight The maximum height, in screen coordinates, of the 3533 * content area, or `GLFW_DONT_CARE`. 3534 * 3535 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 3536 * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. 3537 * 3538 * @remark If you set size limits and an aspect ratio that conflict, the 3539 * results are undefined. 3540 * 3541 * @remark @wayland The size limits will not be applied until the window is 3542 * actually resized, either by the user or by the compositor. 3543 * 3544 * @thread_safety This function must only be called from the main thread. 3545 * 3546 * @sa @ref window_sizelimits 3547 * @sa @ref glfwSetWindowAspectRatio 3548 * 3549 * @since Added in version 3.2. 3550 * 3551 * @ingroup window 3552 */ 3553 GLFWAPI void glfwSetWindowSizeLimits(GLFWwindow* window, int minwidth, int minheight, int maxwidth, int maxheight); 3554 3555 /*! @brief Sets the aspect ratio of the specified window. 3556 * 3557 * This function sets the required aspect ratio of the content area of the 3558 * specified window. If the window is full screen, the aspect ratio only takes 3559 * effect once it is made windowed. If the window is not resizable, this 3560 * function does nothing. 3561 * 3562 * The aspect ratio is specified as a numerator and a denominator and both 3563 * values must be greater than zero. For example, the common 16:9 aspect ratio 3564 * is specified as 16 and 9, respectively. 3565 * 3566 * If the numerator and denominator is set to `GLFW_DONT_CARE` then the aspect 3567 * ratio limit is disabled. 3568 * 3569 * The aspect ratio is applied immediately to a windowed mode window and may 3570 * cause it to be resized. 3571 * 3572 * @param[in] window The window to set limits for. 3573 * @param[in] numer The numerator of the desired aspect ratio, or 3574 * `GLFW_DONT_CARE`. 3575 * @param[in] denom The denominator of the desired aspect ratio, or 3576 * `GLFW_DONT_CARE`. 3577 * 3578 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 3579 * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. 3580 * 3581 * @remark If you set size limits and an aspect ratio that conflict, the 3582 * results are undefined. 3583 * 3584 * @remark @wayland The aspect ratio will not be applied until the window is 3585 * actually resized, either by the user or by the compositor. 3586 * 3587 * @thread_safety This function must only be called from the main thread. 3588 * 3589 * @sa @ref window_sizelimits 3590 * @sa @ref glfwSetWindowSizeLimits 3591 * 3592 * @since Added in version 3.2. 3593 * 3594 * @ingroup window 3595 */ 3596 GLFWAPI void glfwSetWindowAspectRatio(GLFWwindow* window, int numer, int denom); 3597 3598 /*! @brief Sets the size of the content area of the specified window. 3599 * 3600 * This function sets the size, in screen coordinates, of the content area of 3601 * the specified window. 3602 * 3603 * For full screen windows, this function updates the resolution of its desired 3604 * video mode and switches to the video mode closest to it, without affecting 3605 * the window's context. As the context is unaffected, the bit depths of the 3606 * framebuffer remain unchanged. 3607 * 3608 * If you wish to update the refresh rate of the desired video mode in addition 3609 * to its resolution, see @ref glfwSetWindowMonitor. 3610 * 3611 * The window manager may put limits on what sizes are allowed. GLFW cannot 3612 * and should not override these limits. 3613 * 3614 * @param[in] window The window to resize. 3615 * @param[in] width The desired width, in screen coordinates, of the window 3616 * content area. 3617 * @param[in] height The desired height, in screen coordinates, of the window 3618 * content area. 3619 * 3620 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3621 * GLFW_PLATFORM_ERROR. 3622 * 3623 * @thread_safety This function must only be called from the main thread. 3624 * 3625 * @sa @ref window_size 3626 * @sa @ref glfwGetWindowSize 3627 * @sa @ref glfwSetWindowMonitor 3628 * 3629 * @since Added in version 1.0. 3630 * @glfw3 Added window handle parameter. 3631 * 3632 * @ingroup window 3633 */ 3634 GLFWAPI void glfwSetWindowSize(GLFWwindow* window, int width, int height); 3635 3636 /*! @brief Retrieves the size of the framebuffer of the specified window. 3637 * 3638 * This function retrieves the size, in pixels, of the framebuffer of the 3639 * specified window. If you wish to retrieve the size of the window in screen 3640 * coordinates, see @ref glfwGetWindowSize. 3641 * 3642 * Any or all of the size arguments may be `NULL`. If an error occurs, all 3643 * non-`NULL` size arguments will be set to zero. 3644 * 3645 * @param[in] window The window whose framebuffer to query. 3646 * @param[out] width Where to store the width, in pixels, of the framebuffer, 3647 * or `NULL`. 3648 * @param[out] height Where to store the height, in pixels, of the framebuffer, 3649 * or `NULL`. 3650 * 3651 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3652 * GLFW_PLATFORM_ERROR. 3653 * 3654 * @thread_safety This function must only be called from the main thread. 3655 * 3656 * @sa @ref window_fbsize 3657 * @sa @ref glfwSetFramebufferSizeCallback 3658 * 3659 * @since Added in version 3.0. 3660 * 3661 * @ingroup window 3662 */ 3663 GLFWAPI void glfwGetFramebufferSize(GLFWwindow* window, int* width, int* height); 3664 3665 /*! @brief Retrieves the size of the frame of the window. 3666 * 3667 * This function retrieves the size, in screen coordinates, of each edge of the 3668 * frame of the specified window. This size includes the title bar, if the 3669 * window has one. The size of the frame may vary depending on the 3670 * [window-related hints](@ref window_hints_wnd) used to create it. 3671 * 3672 * Because this function retrieves the size of each window frame edge and not 3673 * the offset along a particular coordinate axis, the retrieved values will 3674 * always be zero or positive. 3675 * 3676 * Any or all of the size arguments may be `NULL`. If an error occurs, all 3677 * non-`NULL` size arguments will be set to zero. 3678 * 3679 * @param[in] window The window whose frame size to query. 3680 * @param[out] left Where to store the size, in screen coordinates, of the left 3681 * edge of the window frame, or `NULL`. 3682 * @param[out] top Where to store the size, in screen coordinates, of the top 3683 * edge of the window frame, or `NULL`. 3684 * @param[out] right Where to store the size, in screen coordinates, of the 3685 * right edge of the window frame, or `NULL`. 3686 * @param[out] bottom Where to store the size, in screen coordinates, of the 3687 * bottom edge of the window frame, or `NULL`. 3688 * 3689 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3690 * GLFW_PLATFORM_ERROR. 3691 * 3692 * @thread_safety This function must only be called from the main thread. 3693 * 3694 * @sa @ref window_size 3695 * 3696 * @since Added in version 3.1. 3697 * 3698 * @ingroup window 3699 */ 3700 GLFWAPI void glfwGetWindowFrameSize(GLFWwindow* window, int* left, int* top, int* right, int* bottom); 3701 3702 /*! @brief Retrieves the content scale for the specified window. 3703 * 3704 * This function retrieves the content scale for the specified window. The 3705 * content scale is the ratio between the current DPI and the platform's 3706 * default DPI. This is especially important for text and any UI elements. If 3707 * the pixel dimensions of your UI scaled by this look appropriate on your 3708 * machine then it should appear at a reasonable size on other machines 3709 * regardless of their DPI and scaling settings. This relies on the system DPI 3710 * and scaling settings being somewhat correct. 3711 * 3712 * On platforms where each monitors can have its own content scale, the window 3713 * content scale will depend on which monitor the system considers the window 3714 * to be on. 3715 * 3716 * @param[in] window The window to query. 3717 * @param[out] xscale Where to store the x-axis content scale, or `NULL`. 3718 * @param[out] yscale Where to store the y-axis content scale, or `NULL`. 3719 * 3720 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3721 * GLFW_PLATFORM_ERROR. 3722 * 3723 * @thread_safety This function must only be called from the main thread. 3724 * 3725 * @sa @ref window_scale 3726 * @sa @ref glfwSetWindowContentScaleCallback 3727 * @sa @ref glfwGetMonitorContentScale 3728 * 3729 * @since Added in version 3.3. 3730 * 3731 * @ingroup window 3732 */ 3733 GLFWAPI void glfwGetWindowContentScale(GLFWwindow* window, float* xscale, float* yscale); 3734 3735 /*! @brief Returns the opacity of the whole window. 3736 * 3737 * This function returns the opacity of the window, including any decorations. 3738 * 3739 * The opacity (or alpha) value is a positive finite number between zero and 3740 * one, where zero is fully transparent and one is fully opaque. If the system 3741 * does not support whole window transparency, this function always returns one. 3742 * 3743 * The initial opacity value for newly created windows is one. 3744 * 3745 * @param[in] window The window to query. 3746 * @return The opacity value of the specified window. 3747 * 3748 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3749 * GLFW_PLATFORM_ERROR. 3750 * 3751 * @thread_safety This function must only be called from the main thread. 3752 * 3753 * @sa @ref window_transparency 3754 * @sa @ref glfwSetWindowOpacity 3755 * 3756 * @since Added in version 3.3. 3757 * 3758 * @ingroup window 3759 */ 3760 GLFWAPI float glfwGetWindowOpacity(GLFWwindow* window); 3761 3762 /*! @brief Sets the opacity of the whole window. 3763 * 3764 * This function sets the opacity of the window, including any decorations. 3765 * 3766 * The opacity (or alpha) value is a positive finite number between zero and 3767 * one, where zero is fully transparent and one is fully opaque. 3768 * 3769 * The initial opacity value for newly created windows is one. 3770 * 3771 * A window created with framebuffer transparency may not use whole window 3772 * transparency. The results of doing this are undefined. 3773 * 3774 * @param[in] window The window to set the opacity for. 3775 * @param[in] opacity The desired opacity of the specified window. 3776 * 3777 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 3778 * GLFW_PLATFORM_ERROR and @ref GLFW_FEATURE_UNAVAILABLE (see remarks). 3779 * 3780 * @remark @wayland There is no way to set an opacity factor for a window. 3781 * This function will emit @ref GLFW_FEATURE_UNAVAILABLE. 3782 * 3783 * @thread_safety This function must only be called from the main thread. 3784 * 3785 * @sa @ref window_transparency 3786 * @sa @ref glfwGetWindowOpacity 3787 * 3788 * @since Added in version 3.3. 3789 * 3790 * @ingroup window 3791 */ 3792 GLFWAPI void glfwSetWindowOpacity(GLFWwindow* window, float opacity); 3793 3794 /*! @brief Iconifies the specified window. 3795 * 3796 * This function iconifies (minimizes) the specified window if it was 3797 * previously restored. If the window is already iconified, this function does 3798 * nothing. 3799 * 3800 * If the specified window is a full screen window, GLFW restores the original 3801 * video mode of the monitor. The window's desired video mode is set again 3802 * when the window is restored. 3803 * 3804 * @param[in] window The window to iconify. 3805 * 3806 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3807 * GLFW_PLATFORM_ERROR. 3808 * 3809 * @remark @wayland Once a window is iconified, @ref glfwRestoreWindow won’t 3810 * be able to restore it. This is a design decision of the xdg-shell 3811 * protocol. 3812 * 3813 * @thread_safety This function must only be called from the main thread. 3814 * 3815 * @sa @ref window_iconify 3816 * @sa @ref glfwRestoreWindow 3817 * @sa @ref glfwMaximizeWindow 3818 * 3819 * @since Added in version 2.1. 3820 * @glfw3 Added window handle parameter. 3821 * 3822 * @ingroup window 3823 */ 3824 GLFWAPI void glfwIconifyWindow(GLFWwindow* window); 3825 3826 /*! @brief Restores the specified window. 3827 * 3828 * This function restores the specified window if it was previously iconified 3829 * (minimized) or maximized. If the window is already restored, this function 3830 * does nothing. 3831 * 3832 * If the specified window is an iconified full screen window, its desired 3833 * video mode is set again for its monitor when the window is restored. 3834 * 3835 * @param[in] window The window to restore. 3836 * 3837 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3838 * GLFW_PLATFORM_ERROR. 3839 * 3840 * @thread_safety This function must only be called from the main thread. 3841 * 3842 * @sa @ref window_iconify 3843 * @sa @ref glfwIconifyWindow 3844 * @sa @ref glfwMaximizeWindow 3845 * 3846 * @since Added in version 2.1. 3847 * @glfw3 Added window handle parameter. 3848 * 3849 * @ingroup window 3850 */ 3851 GLFWAPI void glfwRestoreWindow(GLFWwindow* window); 3852 3853 /*! @brief Maximizes the specified window. 3854 * 3855 * This function maximizes the specified window if it was previously not 3856 * maximized. If the window is already maximized, this function does nothing. 3857 * 3858 * If the specified window is a full screen window, this function does nothing. 3859 * 3860 * @param[in] window The window to maximize. 3861 * 3862 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3863 * GLFW_PLATFORM_ERROR. 3864 * 3865 * @par Thread Safety 3866 * This function may only be called from the main thread. 3867 * 3868 * @sa @ref window_iconify 3869 * @sa @ref glfwIconifyWindow 3870 * @sa @ref glfwRestoreWindow 3871 * 3872 * @since Added in GLFW 3.2. 3873 * 3874 * @ingroup window 3875 */ 3876 GLFWAPI void glfwMaximizeWindow(GLFWwindow* window); 3877 3878 /*! @brief Makes the specified window visible. 3879 * 3880 * This function makes the specified window visible if it was previously 3881 * hidden. If the window is already visible or is in full screen mode, this 3882 * function does nothing. 3883 * 3884 * By default, windowed mode windows are focused when shown 3885 * Set the [GLFW_FOCUS_ON_SHOW](@ref GLFW_FOCUS_ON_SHOW_hint) window hint 3886 * to change this behavior for all newly created windows, or change the 3887 * behavior for an existing window with @ref glfwSetWindowAttrib. 3888 * 3889 * @param[in] window The window to make visible. 3890 * 3891 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3892 * GLFW_PLATFORM_ERROR. 3893 * 3894 * @remark @wayland Because Wayland wants every frame of the desktop to be 3895 * complete, this function does not immediately make the window visible. 3896 * Instead it will become visible the next time the window framebuffer is 3897 * updated after this call. 3898 * 3899 * @thread_safety This function must only be called from the main thread. 3900 * 3901 * @sa @ref window_hide 3902 * @sa @ref glfwHideWindow 3903 * 3904 * @since Added in version 3.0. 3905 * 3906 * @ingroup window 3907 */ 3908 GLFWAPI void glfwShowWindow(GLFWwindow* window); 3909 3910 /*! @brief Hides the specified window. 3911 * 3912 * This function hides the specified window if it was previously visible. If 3913 * the window is already hidden or is in full screen mode, this function does 3914 * nothing. 3915 * 3916 * @param[in] window The window to hide. 3917 * 3918 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3919 * GLFW_PLATFORM_ERROR. 3920 * 3921 * @thread_safety This function must only be called from the main thread. 3922 * 3923 * @sa @ref window_hide 3924 * @sa @ref glfwShowWindow 3925 * 3926 * @since Added in version 3.0. 3927 * 3928 * @ingroup window 3929 */ 3930 GLFWAPI void glfwHideWindow(GLFWwindow* window); 3931 3932 /*! @brief Brings the specified window to front and sets input focus. 3933 * 3934 * This function brings the specified window to front and sets input focus. 3935 * The window should already be visible and not iconified. 3936 * 3937 * By default, both windowed and full screen mode windows are focused when 3938 * initially created. Set the [GLFW_FOCUSED](@ref GLFW_FOCUSED_hint) to 3939 * disable this behavior. 3940 * 3941 * Also by default, windowed mode windows are focused when shown 3942 * with @ref glfwShowWindow. Set the 3943 * [GLFW_FOCUS_ON_SHOW](@ref GLFW_FOCUS_ON_SHOW_hint) to disable this behavior. 3944 * 3945 * __Do not use this function__ to steal focus from other applications unless 3946 * you are certain that is what the user wants. Focus stealing can be 3947 * extremely disruptive. 3948 * 3949 * For a less disruptive way of getting the user's attention, see 3950 * [attention requests](@ref window_attention). 3951 * 3952 * @param[in] window The window to give input focus. 3953 * 3954 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3955 * GLFW_PLATFORM_ERROR. 3956 * 3957 * @remark @wayland The compositor will likely ignore focus requests unless 3958 * another window created by the same application already has input focus. 3959 * 3960 * @thread_safety This function must only be called from the main thread. 3961 * 3962 * @sa @ref window_focus 3963 * @sa @ref window_attention 3964 * 3965 * @since Added in version 3.2. 3966 * 3967 * @ingroup window 3968 */ 3969 GLFWAPI void glfwFocusWindow(GLFWwindow* window); 3970 3971 /*! @brief Requests user attention to the specified window. 3972 * 3973 * This function requests user attention to the specified window. On 3974 * platforms where this is not supported, attention is requested to the 3975 * application as a whole. 3976 * 3977 * Once the user has given attention, usually by focusing the window or 3978 * application, the system will end the request automatically. 3979 * 3980 * @param[in] window The window to request attention to. 3981 * 3982 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 3983 * GLFW_PLATFORM_ERROR. 3984 * 3985 * @remark @macos Attention is requested to the application as a whole, not the 3986 * specific window. 3987 * 3988 * @thread_safety This function must only be called from the main thread. 3989 * 3990 * @sa @ref window_attention 3991 * 3992 * @since Added in version 3.3. 3993 * 3994 * @ingroup window 3995 */ 3996 GLFWAPI void glfwRequestWindowAttention(GLFWwindow* window); 3997 3998 /*! @brief Returns the monitor that the window uses for full screen mode. 3999 * 4000 * This function returns the handle of the monitor that the specified window is 4001 * in full screen on. 4002 * 4003 * @param[in] window The window to query. 4004 * @return The monitor, or `NULL` if the window is in windowed mode or an 4005 * [error](@ref error_handling) occurred. 4006 * 4007 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 4008 * 4009 * @thread_safety This function must only be called from the main thread. 4010 * 4011 * @sa @ref window_monitor 4012 * @sa @ref glfwSetWindowMonitor 4013 * 4014 * @since Added in version 3.0. 4015 * 4016 * @ingroup window 4017 */ 4018 GLFWAPI GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* window); 4019 4020 /*! @brief Sets the mode, monitor, video mode and placement of a window. 4021 * 4022 * This function sets the monitor that the window uses for full screen mode or, 4023 * if the monitor is `NULL`, makes it windowed mode. 4024 * 4025 * When setting a monitor, this function updates the width, height and refresh 4026 * rate of the desired video mode and switches to the video mode closest to it. 4027 * The window position is ignored when setting a monitor. 4028 * 4029 * When the monitor is `NULL`, the position, width and height are used to 4030 * place the window content area. The refresh rate is ignored when no monitor 4031 * is specified. 4032 * 4033 * If you only wish to update the resolution of a full screen window or the 4034 * size of a windowed mode window, see @ref glfwSetWindowSize. 4035 * 4036 * When a window transitions from full screen to windowed mode, this function 4037 * restores any previous window settings such as whether it is decorated, 4038 * floating, resizable, has size or aspect ratio limits, etc. 4039 * 4040 * @param[in] window The window whose monitor, size or video mode to set. 4041 * @param[in] monitor The desired monitor, or `NULL` to set windowed mode. 4042 * @param[in] xpos The desired x-coordinate of the upper-left corner of the 4043 * content area. 4044 * @param[in] ypos The desired y-coordinate of the upper-left corner of the 4045 * content area. 4046 * @param[in] width The desired with, in screen coordinates, of the content 4047 * area or video mode. 4048 * @param[in] height The desired height, in screen coordinates, of the content 4049 * area or video mode. 4050 * @param[in] refreshRate The desired refresh rate, in Hz, of the video mode, 4051 * or `GLFW_DONT_CARE`. 4052 * 4053 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 4054 * GLFW_PLATFORM_ERROR. 4055 * 4056 * @remark The OpenGL or OpenGL ES context will not be destroyed or otherwise 4057 * affected by any resizing or mode switching, although you may need to update 4058 * your viewport if the framebuffer size has changed. 4059 * 4060 * @remark @wayland The desired window position is ignored, as there is no way 4061 * for an application to set this property. 4062 * 4063 * @thread_safety This function must only be called from the main thread. 4064 * 4065 * @sa @ref window_monitor 4066 * @sa @ref window_full_screen 4067 * @sa @ref glfwGetWindowMonitor 4068 * @sa @ref glfwSetWindowSize 4069 * 4070 * @since Added in version 3.2. 4071 * 4072 * @ingroup window 4073 */ 4074 GLFWAPI void glfwSetWindowMonitor(GLFWwindow* window, GLFWmonitor* monitor, int xpos, int ypos, int width, int height, int refreshRate); 4075 4076 /*! @brief Returns an attribute of the specified window. 4077 * 4078 * This function returns the value of an attribute of the specified window or 4079 * its OpenGL or OpenGL ES context. 4080 * 4081 * @param[in] window The window to query. 4082 * @param[in] attrib The [window attribute](@ref window_attribs) whose value to 4083 * return. 4084 * @return The value of the attribute, or zero if an 4085 * [error](@ref error_handling) occurred. 4086 * 4087 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 4088 * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. 4089 * 4090 * @remark Framebuffer related hints are not window attributes. See @ref 4091 * window_attribs_fb for more information. 4092 * 4093 * @remark Zero is a valid value for many window and context related 4094 * attributes so you cannot use a return value of zero as an indication of 4095 * errors. However, this function should not fail as long as it is passed 4096 * valid arguments and the library has been [initialized](@ref intro_init). 4097 * 4098 * @remark @wayland The Wayland protocol provides no way to check whether a 4099 * window is iconfied, so @ref GLFW_ICONIFIED always returns `GLFW_FALSE`. 4100 * 4101 * @thread_safety This function must only be called from the main thread. 4102 * 4103 * @sa @ref window_attribs 4104 * @sa @ref glfwSetWindowAttrib 4105 * 4106 * @since Added in version 3.0. Replaces `glfwGetWindowParam` and 4107 * `glfwGetGLVersion`. 4108 * 4109 * @ingroup window 4110 */ 4111 GLFWAPI int glfwGetWindowAttrib(GLFWwindow* window, int attrib); 4112 4113 /*! @brief Sets an attribute of the specified window. 4114 * 4115 * This function sets the value of an attribute of the specified window. 4116 * 4117 * The supported attributes are [GLFW_DECORATED](@ref GLFW_DECORATED_attrib), 4118 * [GLFW_RESIZABLE](@ref GLFW_RESIZABLE_attrib), 4119 * [GLFW_FLOATING](@ref GLFW_FLOATING_attrib), 4120 * [GLFW_AUTO_ICONIFY](@ref GLFW_AUTO_ICONIFY_attrib) and 4121 * [GLFW_FOCUS_ON_SHOW](@ref GLFW_FOCUS_ON_SHOW_attrib). 4122 * [GLFW_MOUSE_PASSTHROUGH](@ref GLFW_MOUSE_PASSTHROUGH_attrib) 4123 * 4124 * Some of these attributes are ignored for full screen windows. The new 4125 * value will take effect if the window is later made windowed. 4126 * 4127 * Some of these attributes are ignored for windowed mode windows. The new 4128 * value will take effect if the window is later made full screen. 4129 * 4130 * @param[in] window The window to set the attribute for. 4131 * @param[in] attrib A supported window attribute. 4132 * @param[in] value `GLFW_TRUE` or `GLFW_FALSE`. 4133 * 4134 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 4135 * GLFW_INVALID_ENUM, @ref GLFW_INVALID_VALUE, @ref GLFW_PLATFORM_ERROR and @ref 4136 * GLFW_FEATURE_UNAVAILABLE (see remarks). 4137 * 4138 * @remark Calling @ref glfwGetWindowAttrib will always return the latest 4139 * value, even if that value is ignored by the current mode of the window. 4140 * 4141 * @remark @wayland The [GLFW_FLOATING](@ref GLFW_FLOATING_attrib) window attribute is 4142 * not supported. Setting this will emit @ref GLFW_FEATURE_UNAVAILABLE. 4143 * 4144 * @thread_safety This function must only be called from the main thread. 4145 * 4146 * @sa @ref window_attribs 4147 * @sa @ref glfwGetWindowAttrib 4148 * 4149 * @since Added in version 3.3. 4150 * 4151 * @ingroup window 4152 */ 4153 GLFWAPI void glfwSetWindowAttrib(GLFWwindow* window, int attrib, int value); 4154 4155 /*! @brief Sets the user pointer of the specified window. 4156 * 4157 * This function sets the user-defined pointer of the specified window. The 4158 * current value is retained until the window is destroyed. The initial value 4159 * is `NULL`. 4160 * 4161 * @param[in] window The window whose pointer to set. 4162 * @param[in] pointer The new value. 4163 * 4164 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 4165 * 4166 * @thread_safety This function may be called from any thread. Access is not 4167 * synchronized. 4168 * 4169 * @sa @ref window_userptr 4170 * @sa @ref glfwGetWindowUserPointer 4171 * 4172 * @since Added in version 3.0. 4173 * 4174 * @ingroup window 4175 */ 4176 GLFWAPI void glfwSetWindowUserPointer(GLFWwindow* window, void* pointer); 4177 4178 /*! @brief Returns the user pointer of the specified window. 4179 * 4180 * This function returns the current value of the user-defined pointer of the 4181 * specified window. The initial value is `NULL`. 4182 * 4183 * @param[in] window The window whose pointer to return. 4184 * 4185 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 4186 * 4187 * @thread_safety This function may be called from any thread. Access is not 4188 * synchronized. 4189 * 4190 * @sa @ref window_userptr 4191 * @sa @ref glfwSetWindowUserPointer 4192 * 4193 * @since Added in version 3.0. 4194 * 4195 * @ingroup window 4196 */ 4197 GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* window); 4198 4199 /*! @brief Sets the position callback for the specified window. 4200 * 4201 * This function sets the position callback of the specified window, which is 4202 * called when the window is moved. The callback is provided with the 4203 * position, in screen coordinates, of the upper-left corner of the content 4204 * area of the window. 4205 * 4206 * @param[in] window The window whose callback to set. 4207 * @param[in] callback The new callback, or `NULL` to remove the currently set 4208 * callback. 4209 * @return The previously set callback, or `NULL` if no callback was set or the 4210 * library had not been [initialized](@ref intro_init). 4211 * 4212 * @callback_signature 4213 * @code 4214 * void function_name(GLFWwindow* window, int xpos, int ypos) 4215 * @endcode 4216 * For more information about the callback parameters, see the 4217 * [function pointer type](@ref GLFWwindowposfun). 4218 * 4219 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 4220 * 4221 * @remark @wayland This callback will never be called, as there is no way for 4222 * an application to know its global position. 4223 * 4224 * @thread_safety This function must only be called from the main thread. 4225 * 4226 * @sa @ref window_pos 4227 * 4228 * @since Added in version 3.0. 4229 * 4230 * @ingroup window 4231 */ 4232 GLFWAPI GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* window, GLFWwindowposfun callback); 4233 4234 /*! @brief Sets the size callback for the specified window. 4235 * 4236 * This function sets the size callback of the specified window, which is 4237 * called when the window is resized. The callback is provided with the size, 4238 * in screen coordinates, of the content area of the window. 4239 * 4240 * @param[in] window The window whose callback to set. 4241 * @param[in] callback The new callback, or `NULL` to remove the currently set 4242 * callback. 4243 * @return The previously set callback, or `NULL` if no callback was set or the 4244 * library had not been [initialized](@ref intro_init). 4245 * 4246 * @callback_signature 4247 * @code 4248 * void function_name(GLFWwindow* window, int width, int height) 4249 * @endcode 4250 * For more information about the callback parameters, see the 4251 * [function pointer type](@ref GLFWwindowsizefun). 4252 * 4253 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 4254 * 4255 * @thread_safety This function must only be called from the main thread. 4256 * 4257 * @sa @ref window_size 4258 * 4259 * @since Added in version 1.0. 4260 * @glfw3 Added window handle parameter and return value. 4261 * 4262 * @ingroup window 4263 */ 4264 GLFWAPI GLFWwindowsizefun glfwSetWindowSizeCallback(GLFWwindow* window, GLFWwindowsizefun callback); 4265 4266 /*! @brief Sets the close callback for the specified window. 4267 * 4268 * This function sets the close callback of the specified window, which is 4269 * called when the user attempts to close the window, for example by clicking 4270 * the close widget in the title bar. 4271 * 4272 * The close flag is set before this callback is called, but you can modify it 4273 * at any time with @ref glfwSetWindowShouldClose. 4274 * 4275 * The close callback is not triggered by @ref glfwDestroyWindow. 4276 * 4277 * @param[in] window The window whose callback to set. 4278 * @param[in] callback The new callback, or `NULL` to remove the currently set 4279 * callback. 4280 * @return The previously set callback, or `NULL` if no callback was set or the 4281 * library had not been [initialized](@ref intro_init). 4282 * 4283 * @callback_signature 4284 * @code 4285 * void function_name(GLFWwindow* window) 4286 * @endcode 4287 * For more information about the callback parameters, see the 4288 * [function pointer type](@ref GLFWwindowclosefun). 4289 * 4290 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 4291 * 4292 * @remark @macos Selecting Quit from the application menu will trigger the 4293 * close callback for all windows. 4294 * 4295 * @thread_safety This function must only be called from the main thread. 4296 * 4297 * @sa @ref window_close 4298 * 4299 * @since Added in version 2.5. 4300 * @glfw3 Added window handle parameter and return value. 4301 * 4302 * @ingroup window 4303 */ 4304 GLFWAPI GLFWwindowclosefun glfwSetWindowCloseCallback(GLFWwindow* window, GLFWwindowclosefun callback); 4305 4306 /*! @brief Sets the refresh callback for the specified window. 4307 * 4308 * This function sets the refresh callback of the specified window, which is 4309 * called when the content area of the window needs to be redrawn, for example 4310 * if the window has been exposed after having been covered by another window. 4311 * 4312 * On compositing window systems such as Aero, Compiz, Aqua or Wayland, where 4313 * the window contents are saved off-screen, this callback may be called only 4314 * very infrequently or never at all. 4315 * 4316 * @param[in] window The window whose callback to set. 4317 * @param[in] callback The new callback, or `NULL` to remove the currently set 4318 * callback. 4319 * @return The previously set callback, or `NULL` if no callback was set or the 4320 * library had not been [initialized](@ref intro_init). 4321 * 4322 * @callback_signature 4323 * @code 4324 * void function_name(GLFWwindow* window); 4325 * @endcode 4326 * For more information about the callback parameters, see the 4327 * [function pointer type](@ref GLFWwindowrefreshfun). 4328 * 4329 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 4330 * 4331 * @thread_safety This function must only be called from the main thread. 4332 * 4333 * @sa @ref window_refresh 4334 * 4335 * @since Added in version 2.5. 4336 * @glfw3 Added window handle parameter and return value. 4337 * 4338 * @ingroup window 4339 */ 4340 GLFWAPI GLFWwindowrefreshfun glfwSetWindowRefreshCallback(GLFWwindow* window, GLFWwindowrefreshfun callback); 4341 4342 /*! @brief Sets the focus callback for the specified window. 4343 * 4344 * This function sets the focus callback of the specified window, which is 4345 * called when the window gains or loses input focus. 4346 * 4347 * After the focus callback is called for a window that lost input focus, 4348 * synthetic key and mouse button release events will be generated for all such 4349 * that had been pressed. For more information, see @ref glfwSetKeyCallback 4350 * and @ref glfwSetMouseButtonCallback. 4351 * 4352 * @param[in] window The window whose callback to set. 4353 * @param[in] callback The new callback, or `NULL` to remove the currently set 4354 * callback. 4355 * @return The previously set callback, or `NULL` if no callback was set or the 4356 * library had not been [initialized](@ref intro_init). 4357 * 4358 * @callback_signature 4359 * @code 4360 * void function_name(GLFWwindow* window, int focused) 4361 * @endcode 4362 * For more information about the callback parameters, see the 4363 * [function pointer type](@ref GLFWwindowfocusfun). 4364 * 4365 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 4366 * 4367 * @thread_safety This function must only be called from the main thread. 4368 * 4369 * @sa @ref window_focus 4370 * 4371 * @since Added in version 3.0. 4372 * 4373 * @ingroup window 4374 */ 4375 GLFWAPI GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* window, GLFWwindowfocusfun callback); 4376 4377 /*! @brief Sets the iconify callback for the specified window. 4378 * 4379 * This function sets the iconification callback of the specified window, which 4380 * is called when the window is iconified or restored. 4381 * 4382 * @param[in] window The window whose callback to set. 4383 * @param[in] callback The new callback, or `NULL` to remove the currently set 4384 * callback. 4385 * @return The previously set callback, or `NULL` if no callback was set or the 4386 * library had not been [initialized](@ref intro_init). 4387 * 4388 * @callback_signature 4389 * @code 4390 * void function_name(GLFWwindow* window, int iconified) 4391 * @endcode 4392 * For more information about the callback parameters, see the 4393 * [function pointer type](@ref GLFWwindowiconifyfun). 4394 * 4395 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 4396 * 4397 * @thread_safety This function must only be called from the main thread. 4398 * 4399 * @sa @ref window_iconify 4400 * 4401 * @since Added in version 3.0. 4402 * 4403 * @ingroup window 4404 */ 4405 GLFWAPI GLFWwindowiconifyfun glfwSetWindowIconifyCallback(GLFWwindow* window, GLFWwindowiconifyfun callback); 4406 4407 /*! @brief Sets the maximize callback for the specified window. 4408 * 4409 * This function sets the maximization callback of the specified window, which 4410 * is called when the window is maximized or restored. 4411 * 4412 * @param[in] window The window whose callback to set. 4413 * @param[in] callback The new callback, or `NULL` to remove the currently set 4414 * callback. 4415 * @return The previously set callback, or `NULL` if no callback was set or the 4416 * library had not been [initialized](@ref intro_init). 4417 * 4418 * @callback_signature 4419 * @code 4420 * void function_name(GLFWwindow* window, int maximized) 4421 * @endcode 4422 * For more information about the callback parameters, see the 4423 * [function pointer type](@ref GLFWwindowmaximizefun). 4424 * 4425 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 4426 * 4427 * @thread_safety This function must only be called from the main thread. 4428 * 4429 * @sa @ref window_maximize 4430 * 4431 * @since Added in version 3.3. 4432 * 4433 * @ingroup window 4434 */ 4435 GLFWAPI GLFWwindowmaximizefun glfwSetWindowMaximizeCallback(GLFWwindow* window, GLFWwindowmaximizefun callback); 4436 4437 /*! @brief Sets the framebuffer resize callback for the specified window. 4438 * 4439 * This function sets the framebuffer resize callback of the specified window, 4440 * which is called when the framebuffer of the specified window is resized. 4441 * 4442 * @param[in] window The window whose callback to set. 4443 * @param[in] callback The new callback, or `NULL` to remove the currently set 4444 * callback. 4445 * @return The previously set callback, or `NULL` if no callback was set or the 4446 * library had not been [initialized](@ref intro_init). 4447 * 4448 * @callback_signature 4449 * @code 4450 * void function_name(GLFWwindow* window, int width, int height) 4451 * @endcode 4452 * For more information about the callback parameters, see the 4453 * [function pointer type](@ref GLFWframebuffersizefun). 4454 * 4455 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 4456 * 4457 * @thread_safety This function must only be called from the main thread. 4458 * 4459 * @sa @ref window_fbsize 4460 * 4461 * @since Added in version 3.0. 4462 * 4463 * @ingroup window 4464 */ 4465 GLFWAPI GLFWframebuffersizefun glfwSetFramebufferSizeCallback(GLFWwindow* window, GLFWframebuffersizefun callback); 4466 4467 /*! @brief Sets the window content scale callback for the specified window. 4468 * 4469 * This function sets the window content scale callback of the specified window, 4470 * which is called when the content scale of the specified window changes. 4471 * 4472 * @param[in] window The window whose callback to set. 4473 * @param[in] callback The new callback, or `NULL` to remove the currently set 4474 * callback. 4475 * @return The previously set callback, or `NULL` if no callback was set or the 4476 * library had not been [initialized](@ref intro_init). 4477 * 4478 * @callback_signature 4479 * @code 4480 * void function_name(GLFWwindow* window, float xscale, float yscale) 4481 * @endcode 4482 * For more information about the callback parameters, see the 4483 * [function pointer type](@ref GLFWwindowcontentscalefun). 4484 * 4485 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 4486 * 4487 * @thread_safety This function must only be called from the main thread. 4488 * 4489 * @sa @ref window_scale 4490 * @sa @ref glfwGetWindowContentScale 4491 * 4492 * @since Added in version 3.3. 4493 * 4494 * @ingroup window 4495 */ 4496 GLFWAPI GLFWwindowcontentscalefun glfwSetWindowContentScaleCallback(GLFWwindow* window, GLFWwindowcontentscalefun callback); 4497 4498 /*! @brief Processes all pending events. 4499 * 4500 * This function processes only those events that are already in the event 4501 * queue and then returns immediately. Processing events will cause the window 4502 * and input callbacks associated with those events to be called. 4503 * 4504 * On some platforms, a window move, resize or menu operation will cause event 4505 * processing to block. This is due to how event processing is designed on 4506 * those platforms. You can use the 4507 * [window refresh callback](@ref window_refresh) to redraw the contents of 4508 * your window when necessary during such operations. 4509 * 4510 * Do not assume that callbacks you set will _only_ be called in response to 4511 * event processing functions like this one. While it is necessary to poll for 4512 * events, window systems that require GLFW to register callbacks of its own 4513 * can pass events to GLFW in response to many window system function calls. 4514 * GLFW will pass those events on to the application callbacks before 4515 * returning. 4516 * 4517 * Event processing is not required for joystick input to work. 4518 * 4519 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 4520 * GLFW_PLATFORM_ERROR. 4521 * 4522 * @reentrancy This function must not be called from a callback. 4523 * 4524 * @thread_safety This function must only be called from the main thread. 4525 * 4526 * @sa @ref events 4527 * @sa @ref glfwWaitEvents 4528 * @sa @ref glfwWaitEventsTimeout 4529 * 4530 * @since Added in version 1.0. 4531 * 4532 * @ingroup window 4533 */ 4534 GLFWAPI void glfwPollEvents(void); 4535 4536 /*! @brief Waits until events are queued and processes them. 4537 * 4538 * This function puts the calling thread to sleep until at least one event is 4539 * available in the event queue. Once one or more events are available, 4540 * it behaves exactly like @ref glfwPollEvents, i.e. the events in the queue 4541 * are processed and the function then returns immediately. Processing events 4542 * will cause the window and input callbacks associated with those events to be 4543 * called. 4544 * 4545 * Since not all events are associated with callbacks, this function may return 4546 * without a callback having been called even if you are monitoring all 4547 * callbacks. 4548 * 4549 * On some platforms, a window move, resize or menu operation will cause event 4550 * processing to block. This is due to how event processing is designed on 4551 * those platforms. You can use the 4552 * [window refresh callback](@ref window_refresh) to redraw the contents of 4553 * your window when necessary during such operations. 4554 * 4555 * Do not assume that callbacks you set will _only_ be called in response to 4556 * event processing functions like this one. While it is necessary to poll for 4557 * events, window systems that require GLFW to register callbacks of its own 4558 * can pass events to GLFW in response to many window system function calls. 4559 * GLFW will pass those events on to the application callbacks before 4560 * returning. 4561 * 4562 * Event processing is not required for joystick input to work. 4563 * 4564 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 4565 * GLFW_PLATFORM_ERROR. 4566 * 4567 * @reentrancy This function must not be called from a callback. 4568 * 4569 * @thread_safety This function must only be called from the main thread. 4570 * 4571 * @sa @ref events 4572 * @sa @ref glfwPollEvents 4573 * @sa @ref glfwWaitEventsTimeout 4574 * 4575 * @since Added in version 2.5. 4576 * 4577 * @ingroup window 4578 */ 4579 GLFWAPI void glfwWaitEvents(void); 4580 4581 /*! @brief Waits with timeout until events are queued and processes them. 4582 * 4583 * This function puts the calling thread to sleep until at least one event is 4584 * available in the event queue, or until the specified timeout is reached. If 4585 * one or more events are available, it behaves exactly like @ref 4586 * glfwPollEvents, i.e. the events in the queue are processed and the function 4587 * then returns immediately. Processing events will cause the window and input 4588 * callbacks associated with those events to be called. 4589 * 4590 * The timeout value must be a positive finite number. 4591 * 4592 * Since not all events are associated with callbacks, this function may return 4593 * without a callback having been called even if you are monitoring all 4594 * callbacks. 4595 * 4596 * On some platforms, a window move, resize or menu operation will cause event 4597 * processing to block. This is due to how event processing is designed on 4598 * those platforms. You can use the 4599 * [window refresh callback](@ref window_refresh) to redraw the contents of 4600 * your window when necessary during such operations. 4601 * 4602 * Do not assume that callbacks you set will _only_ be called in response to 4603 * event processing functions like this one. While it is necessary to poll for 4604 * events, window systems that require GLFW to register callbacks of its own 4605 * can pass events to GLFW in response to many window system function calls. 4606 * GLFW will pass those events on to the application callbacks before 4607 * returning. 4608 * 4609 * Event processing is not required for joystick input to work. 4610 * 4611 * @param[in] timeout The maximum amount of time, in seconds, to wait. 4612 * 4613 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 4614 * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. 4615 * 4616 * @reentrancy This function must not be called from a callback. 4617 * 4618 * @thread_safety This function must only be called from the main thread. 4619 * 4620 * @sa @ref events 4621 * @sa @ref glfwPollEvents 4622 * @sa @ref glfwWaitEvents 4623 * 4624 * @since Added in version 3.2. 4625 * 4626 * @ingroup window 4627 */ 4628 GLFWAPI void glfwWaitEventsTimeout(double timeout); 4629 4630 /*! @brief Posts an empty event to the event queue. 4631 * 4632 * This function posts an empty event from the current thread to the event 4633 * queue, causing @ref glfwWaitEvents or @ref glfwWaitEventsTimeout to return. 4634 * 4635 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 4636 * GLFW_PLATFORM_ERROR. 4637 * 4638 * @thread_safety This function may be called from any thread. 4639 * 4640 * @sa @ref events 4641 * @sa @ref glfwWaitEvents 4642 * @sa @ref glfwWaitEventsTimeout 4643 * 4644 * @since Added in version 3.1. 4645 * 4646 * @ingroup window 4647 */ 4648 GLFWAPI void glfwPostEmptyEvent(void); 4649 4650 /*! @brief Returns the value of an input option for the specified window. 4651 * 4652 * This function returns the value of an input option for the specified window. 4653 * The mode must be one of @ref GLFW_CURSOR, @ref GLFW_STICKY_KEYS, 4654 * @ref GLFW_STICKY_MOUSE_BUTTONS, @ref GLFW_LOCK_KEY_MODS or 4655 * @ref GLFW_RAW_MOUSE_MOTION. 4656 * 4657 * @param[in] window The window to query. 4658 * @param[in] mode One of `GLFW_CURSOR`, `GLFW_STICKY_KEYS`, 4659 * `GLFW_STICKY_MOUSE_BUTTONS`, `GLFW_LOCK_KEY_MODS` or 4660 * `GLFW_RAW_MOUSE_MOTION`. 4661 * 4662 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 4663 * GLFW_INVALID_ENUM. 4664 * 4665 * @thread_safety This function must only be called from the main thread. 4666 * 4667 * @sa @ref glfwSetInputMode 4668 * 4669 * @since Added in version 3.0. 4670 * 4671 * @ingroup input 4672 */ 4673 GLFWAPI int glfwGetInputMode(GLFWwindow* window, int mode); 4674 4675 /*! @brief Sets an input option for the specified window. 4676 * 4677 * This function sets an input mode option for the specified window. The mode 4678 * must be one of @ref GLFW_CURSOR, @ref GLFW_STICKY_KEYS, 4679 * @ref GLFW_STICKY_MOUSE_BUTTONS, @ref GLFW_LOCK_KEY_MODS or 4680 * @ref GLFW_RAW_MOUSE_MOTION. 4681 * 4682 * If the mode is `GLFW_CURSOR`, the value must be one of the following cursor 4683 * modes: 4684 * - `GLFW_CURSOR_NORMAL` makes the cursor visible and behaving normally. 4685 * - `GLFW_CURSOR_HIDDEN` makes the cursor invisible when it is over the 4686 * content area of the window but does not restrict the cursor from leaving. 4687 * - `GLFW_CURSOR_DISABLED` hides and grabs the cursor, providing virtual 4688 * and unlimited cursor movement. This is useful for implementing for 4689 * example 3D camera controls. 4690 * - `GLFW_CURSOR_CAPTURED` makes the cursor visible and confines it to the 4691 * content area of the window. 4692 * 4693 * If the mode is `GLFW_STICKY_KEYS`, the value must be either `GLFW_TRUE` to 4694 * enable sticky keys, or `GLFW_FALSE` to disable it. If sticky keys are 4695 * enabled, a key press will ensure that @ref glfwGetKey returns `GLFW_PRESS` 4696 * the next time it is called even if the key had been released before the 4697 * call. This is useful when you are only interested in whether keys have been 4698 * pressed but not when or in which order. 4699 * 4700 * If the mode is `GLFW_STICKY_MOUSE_BUTTONS`, the value must be either 4701 * `GLFW_TRUE` to enable sticky mouse buttons, or `GLFW_FALSE` to disable it. 4702 * If sticky mouse buttons are enabled, a mouse button press will ensure that 4703 * @ref glfwGetMouseButton returns `GLFW_PRESS` the next time it is called even 4704 * if the mouse button had been released before the call. This is useful when 4705 * you are only interested in whether mouse buttons have been pressed but not 4706 * when or in which order. 4707 * 4708 * If the mode is `GLFW_LOCK_KEY_MODS`, the value must be either `GLFW_TRUE` to 4709 * enable lock key modifier bits, or `GLFW_FALSE` to disable them. If enabled, 4710 * callbacks that receive modifier bits will also have the @ref 4711 * GLFW_MOD_CAPS_LOCK bit set when the event was generated with Caps Lock on, 4712 * and the @ref GLFW_MOD_NUM_LOCK bit when Num Lock was on. 4713 * 4714 * If the mode is `GLFW_RAW_MOUSE_MOTION`, the value must be either `GLFW_TRUE` 4715 * to enable raw (unscaled and unaccelerated) mouse motion when the cursor is 4716 * disabled, or `GLFW_FALSE` to disable it. If raw motion is not supported, 4717 * attempting to set this will emit @ref GLFW_FEATURE_UNAVAILABLE. Call @ref 4718 * glfwRawMouseMotionSupported to check for support. 4719 * 4720 * @param[in] window The window whose input mode to set. 4721 * @param[in] mode One of `GLFW_CURSOR`, `GLFW_STICKY_KEYS`, 4722 * `GLFW_STICKY_MOUSE_BUTTONS`, `GLFW_LOCK_KEY_MODS` or 4723 * `GLFW_RAW_MOUSE_MOTION`. 4724 * @param[in] value The new value of the specified input mode. 4725 * 4726 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 4727 * GLFW_INVALID_ENUM, @ref GLFW_PLATFORM_ERROR and @ref 4728 * GLFW_FEATURE_UNAVAILABLE (see above). 4729 * 4730 * @thread_safety This function must only be called from the main thread. 4731 * 4732 * @sa @ref glfwGetInputMode 4733 * 4734 * @since Added in version 3.0. Replaces `glfwEnable` and `glfwDisable`. 4735 * 4736 * @ingroup input 4737 */ 4738 GLFWAPI void glfwSetInputMode(GLFWwindow* window, int mode, int value); 4739 4740 /*! @brief Returns whether raw mouse motion is supported. 4741 * 4742 * This function returns whether raw mouse motion is supported on the current 4743 * system. This status does not change after GLFW has been initialized so you 4744 * only need to check this once. If you attempt to enable raw motion on 4745 * a system that does not support it, @ref GLFW_PLATFORM_ERROR will be emitted. 4746 * 4747 * Raw mouse motion is closer to the actual motion of the mouse across 4748 * a surface. It is not affected by the scaling and acceleration applied to 4749 * the motion of the desktop cursor. That processing is suitable for a cursor 4750 * while raw motion is better for controlling for example a 3D camera. Because 4751 * of this, raw mouse motion is only provided when the cursor is disabled. 4752 * 4753 * @return `GLFW_TRUE` if raw mouse motion is supported on the current machine, 4754 * or `GLFW_FALSE` otherwise. 4755 * 4756 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 4757 * 4758 * @thread_safety This function must only be called from the main thread. 4759 * 4760 * @sa @ref raw_mouse_motion 4761 * @sa @ref glfwSetInputMode 4762 * 4763 * @since Added in version 3.3. 4764 * 4765 * @ingroup input 4766 */ 4767 GLFWAPI int glfwRawMouseMotionSupported(void); 4768 4769 /*! @brief Returns the layout-specific name of the specified printable key. 4770 * 4771 * This function returns the name of the specified printable key, encoded as 4772 * UTF-8. This is typically the character that key would produce without any 4773 * modifier keys, intended for displaying key bindings to the user. For dead 4774 * keys, it is typically the diacritic it would add to a character. 4775 * 4776 * __Do not use this function__ for [text input](@ref input_char). You will 4777 * break text input for many languages even if it happens to work for yours. 4778 * 4779 * If the key is `GLFW_KEY_UNKNOWN`, the scancode is used to identify the key, 4780 * otherwise the scancode is ignored. If you specify a non-printable key, or 4781 * `GLFW_KEY_UNKNOWN` and a scancode that maps to a non-printable key, this 4782 * function returns `NULL` but does not emit an error. 4783 * 4784 * This behavior allows you to always pass in the arguments in the 4785 * [key callback](@ref input_key) without modification. 4786 * 4787 * The printable keys are: 4788 * - `GLFW_KEY_APOSTROPHE` 4789 * - `GLFW_KEY_COMMA` 4790 * - `GLFW_KEY_MINUS` 4791 * - `GLFW_KEY_PERIOD` 4792 * - `GLFW_KEY_SLASH` 4793 * - `GLFW_KEY_SEMICOLON` 4794 * - `GLFW_KEY_EQUAL` 4795 * - `GLFW_KEY_LEFT_BRACKET` 4796 * - `GLFW_KEY_RIGHT_BRACKET` 4797 * - `GLFW_KEY_BACKSLASH` 4798 * - `GLFW_KEY_WORLD_1` 4799 * - `GLFW_KEY_WORLD_2` 4800 * - `GLFW_KEY_0` to `GLFW_KEY_9` 4801 * - `GLFW_KEY_A` to `GLFW_KEY_Z` 4802 * - `GLFW_KEY_KP_0` to `GLFW_KEY_KP_9` 4803 * - `GLFW_KEY_KP_DECIMAL` 4804 * - `GLFW_KEY_KP_DIVIDE` 4805 * - `GLFW_KEY_KP_MULTIPLY` 4806 * - `GLFW_KEY_KP_SUBTRACT` 4807 * - `GLFW_KEY_KP_ADD` 4808 * - `GLFW_KEY_KP_EQUAL` 4809 * 4810 * Names for printable keys depend on keyboard layout, while names for 4811 * non-printable keys are the same across layouts but depend on the application 4812 * language and should be localized along with other user interface text. 4813 * 4814 * @param[in] key The key to query, or `GLFW_KEY_UNKNOWN`. 4815 * @param[in] scancode The scancode of the key to query. 4816 * @return The UTF-8 encoded, layout-specific name of the key, or `NULL`. 4817 * 4818 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 4819 * GLFW_INVALID_VALUE, @ref GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. 4820 * 4821 * @remark The contents of the returned string may change when a keyboard 4822 * layout change event is received. 4823 * 4824 * @pointer_lifetime The returned string is allocated and freed by GLFW. You 4825 * should not free it yourself. It is valid until the library is terminated. 4826 * 4827 * @thread_safety This function must only be called from the main thread. 4828 * 4829 * @sa @ref input_key_name 4830 * 4831 * @since Added in version 3.2. 4832 * 4833 * @ingroup input 4834 */ 4835 GLFWAPI const char* glfwGetKeyName(int key, int scancode); 4836 4837 /*! @brief Returns the platform-specific scancode of the specified key. 4838 * 4839 * This function returns the platform-specific scancode of the specified key. 4840 * 4841 * If the specified [key token](@ref keys) corresponds to a physical key not 4842 * supported on the current platform then this method will return `-1`. 4843 * Calling this function with anything other than a key token will return `-1` 4844 * and generate a @ref GLFW_INVALID_ENUM error. 4845 * 4846 * @param[in] key Any [key token](@ref keys). 4847 * @return The platform-specific scancode for the key, or `-1` if the key is 4848 * not supported on the current platform or an [error](@ref error_handling) 4849 * occurred. 4850 * 4851 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 4852 * GLFW_INVALID_ENUM. 4853 * 4854 * @thread_safety This function may be called from any thread. 4855 * 4856 * @sa @ref input_key 4857 * 4858 * @since Added in version 3.3. 4859 * 4860 * @ingroup input 4861 */ 4862 GLFWAPI int glfwGetKeyScancode(int key); 4863 4864 /*! @brief Returns the last reported state of a keyboard key for the specified 4865 * window. 4866 * 4867 * This function returns the last state reported for the specified key to the 4868 * specified window. The returned state is one of `GLFW_PRESS` or 4869 * `GLFW_RELEASE`. The action `GLFW_REPEAT` is only reported to the key callback. 4870 * 4871 * If the @ref GLFW_STICKY_KEYS input mode is enabled, this function returns 4872 * `GLFW_PRESS` the first time you call it for a key that was pressed, even if 4873 * that key has already been released. 4874 * 4875 * The key functions deal with physical keys, with [key tokens](@ref keys) 4876 * named after their use on the standard US keyboard layout. If you want to 4877 * input text, use the Unicode character callback instead. 4878 * 4879 * The [modifier key bit masks](@ref mods) are not key tokens and cannot be 4880 * used with this function. 4881 * 4882 * __Do not use this function__ to implement [text input](@ref input_char). 4883 * 4884 * @param[in] window The desired window. 4885 * @param[in] key The desired [keyboard key](@ref keys). `GLFW_KEY_UNKNOWN` is 4886 * not a valid key for this function. 4887 * @return One of `GLFW_PRESS` or `GLFW_RELEASE`. 4888 * 4889 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 4890 * GLFW_INVALID_ENUM. 4891 * 4892 * @thread_safety This function must only be called from the main thread. 4893 * 4894 * @sa @ref input_key 4895 * 4896 * @since Added in version 1.0. 4897 * @glfw3 Added window handle parameter. 4898 * 4899 * @ingroup input 4900 */ 4901 GLFWAPI int glfwGetKey(GLFWwindow* window, int key); 4902 4903 /*! @brief Returns the last reported state of a mouse button for the specified 4904 * window. 4905 * 4906 * This function returns the last state reported for the specified mouse button 4907 * to the specified window. The returned state is one of `GLFW_PRESS` or 4908 * `GLFW_RELEASE`. 4909 * 4910 * If the @ref GLFW_STICKY_MOUSE_BUTTONS input mode is enabled, this function 4911 * returns `GLFW_PRESS` the first time you call it for a mouse button that was 4912 * pressed, even if that mouse button has already been released. 4913 * 4914 * @param[in] window The desired window. 4915 * @param[in] button The desired [mouse button](@ref buttons). 4916 * @return One of `GLFW_PRESS` or `GLFW_RELEASE`. 4917 * 4918 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 4919 * GLFW_INVALID_ENUM. 4920 * 4921 * @thread_safety This function must only be called from the main thread. 4922 * 4923 * @sa @ref input_mouse_button 4924 * 4925 * @since Added in version 1.0. 4926 * @glfw3 Added window handle parameter. 4927 * 4928 * @ingroup input 4929 */ 4930 GLFWAPI int glfwGetMouseButton(GLFWwindow* window, int button); 4931 4932 /*! @brief Retrieves the position of the cursor relative to the content area of 4933 * the window. 4934 * 4935 * This function returns the position of the cursor, in screen coordinates, 4936 * relative to the upper-left corner of the content area of the specified 4937 * window. 4938 * 4939 * If the cursor is disabled (with `GLFW_CURSOR_DISABLED`) then the cursor 4940 * position is unbounded and limited only by the minimum and maximum values of 4941 * a `double`. 4942 * 4943 * The coordinate can be converted to their integer equivalents with the 4944 * `floor` function. Casting directly to an integer type works for positive 4945 * coordinates, but fails for negative ones. 4946 * 4947 * Any or all of the position arguments may be `NULL`. If an error occurs, all 4948 * non-`NULL` position arguments will be set to zero. 4949 * 4950 * @param[in] window The desired window. 4951 * @param[out] xpos Where to store the cursor x-coordinate, relative to the 4952 * left edge of the content area, or `NULL`. 4953 * @param[out] ypos Where to store the cursor y-coordinate, relative to the to 4954 * top edge of the content area, or `NULL`. 4955 * 4956 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 4957 * GLFW_PLATFORM_ERROR. 4958 * 4959 * @thread_safety This function must only be called from the main thread. 4960 * 4961 * @sa @ref cursor_pos 4962 * @sa @ref glfwSetCursorPos 4963 * 4964 * @since Added in version 3.0. Replaces `glfwGetMousePos`. 4965 * 4966 * @ingroup input 4967 */ 4968 GLFWAPI void glfwGetCursorPos(GLFWwindow* window, double* xpos, double* ypos); 4969 4970 /*! @brief Sets the position of the cursor, relative to the content area of the 4971 * window. 4972 * 4973 * This function sets the position, in screen coordinates, of the cursor 4974 * relative to the upper-left corner of the content area of the specified 4975 * window. The window must have input focus. If the window does not have 4976 * input focus when this function is called, it fails silently. 4977 * 4978 * __Do not use this function__ to implement things like camera controls. GLFW 4979 * already provides the `GLFW_CURSOR_DISABLED` cursor mode that hides the 4980 * cursor, transparently re-centers it and provides unconstrained cursor 4981 * motion. See @ref glfwSetInputMode for more information. 4982 * 4983 * If the cursor mode is `GLFW_CURSOR_DISABLED` then the cursor position is 4984 * unconstrained and limited only by the minimum and maximum values of 4985 * a `double`. 4986 * 4987 * @param[in] window The desired window. 4988 * @param[in] xpos The desired x-coordinate, relative to the left edge of the 4989 * content area. 4990 * @param[in] ypos The desired y-coordinate, relative to the top edge of the 4991 * content area. 4992 * 4993 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 4994 * GLFW_PLATFORM_ERROR and @ref GLFW_FEATURE_UNAVAILABLE (see remarks). 4995 * 4996 * @remark @wayland This function will only work when the cursor mode is 4997 * `GLFW_CURSOR_DISABLED`, otherwise it will emit @ref GLFW_FEATURE_UNAVAILABLE. 4998 * 4999 * @thread_safety This function must only be called from the main thread. 5000 * 5001 * @sa @ref cursor_pos 5002 * @sa @ref glfwGetCursorPos 5003 * 5004 * @since Added in version 3.0. Replaces `glfwSetMousePos`. 5005 * 5006 * @ingroup input 5007 */ 5008 GLFWAPI void glfwSetCursorPos(GLFWwindow* window, double xpos, double ypos); 5009 5010 /*! @brief Creates a custom cursor. 5011 * 5012 * Creates a new custom cursor image that can be set for a window with @ref 5013 * glfwSetCursor. The cursor can be destroyed with @ref glfwDestroyCursor. 5014 * Any remaining cursors are destroyed by @ref glfwTerminate. 5015 * 5016 * The pixels are 32-bit, little-endian, non-premultiplied RGBA, i.e. eight 5017 * bits per channel with the red channel first. They are arranged canonically 5018 * as packed sequential rows, starting from the top-left corner. 5019 * 5020 * The cursor hotspot is specified in pixels, relative to the upper-left corner 5021 * of the cursor image. Like all other coordinate systems in GLFW, the X-axis 5022 * points to the right and the Y-axis points down. 5023 * 5024 * @param[in] image The desired cursor image. 5025 * @param[in] xhot The desired x-coordinate, in pixels, of the cursor hotspot. 5026 * @param[in] yhot The desired y-coordinate, in pixels, of the cursor hotspot. 5027 * @return The handle of the created cursor, or `NULL` if an 5028 * [error](@ref error_handling) occurred. 5029 * 5030 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 5031 * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. 5032 * 5033 * @pointer_lifetime The specified image data is copied before this function 5034 * returns. 5035 * 5036 * @thread_safety This function must only be called from the main thread. 5037 * 5038 * @sa @ref cursor_object 5039 * @sa @ref glfwDestroyCursor 5040 * @sa @ref glfwCreateStandardCursor 5041 * 5042 * @since Added in version 3.1. 5043 * 5044 * @ingroup input 5045 */ 5046 GLFWAPI GLFWcursor* glfwCreateCursor(const GLFWimage* image, int xhot, int yhot); 5047 5048 /*! @brief Creates a cursor with a standard shape. 5049 * 5050 * Returns a cursor with a standard shape, that can be set for a window with 5051 * @ref glfwSetCursor. The images for these cursors come from the system 5052 * cursor theme and their exact appearance will vary between platforms. 5053 * 5054 * Most of these shapes are guaranteed to exist on every supported platform but 5055 * a few may not be present. See the table below for details. 5056 * 5057 * Cursor shape | Windows | macOS | X11 | Wayland 5058 * ------------------------------ | ------- | ----- | ------ | ------- 5059 * @ref GLFW_ARROW_CURSOR | Yes | Yes | Yes | Yes 5060 * @ref GLFW_IBEAM_CURSOR | Yes | Yes | Yes | Yes 5061 * @ref GLFW_CROSSHAIR_CURSOR | Yes | Yes | Yes | Yes 5062 * @ref GLFW_POINTING_HAND_CURSOR | Yes | Yes | Yes | Yes 5063 * @ref GLFW_RESIZE_EW_CURSOR | Yes | Yes | Yes | Yes 5064 * @ref GLFW_RESIZE_NS_CURSOR | Yes | Yes | Yes | Yes 5065 * @ref GLFW_RESIZE_NWSE_CURSOR | Yes | Yes<sup>1</sup> | Maybe<sup>2</sup> | Maybe<sup>2</sup> 5066 * @ref GLFW_RESIZE_NESW_CURSOR | Yes | Yes<sup>1</sup> | Maybe<sup>2</sup> | Maybe<sup>2</sup> 5067 * @ref GLFW_RESIZE_ALL_CURSOR | Yes | Yes | Yes | Yes 5068 * @ref GLFW_NOT_ALLOWED_CURSOR | Yes | Yes | Maybe<sup>2</sup> | Maybe<sup>2</sup> 5069 * 5070 * 1) This uses a private system API and may fail in the future. 5071 * 5072 * 2) This uses a newer standard that not all cursor themes support. 5073 * 5074 * If the requested shape is not available, this function emits a @ref 5075 * GLFW_CURSOR_UNAVAILABLE error and returns `NULL`. 5076 * 5077 * @param[in] shape One of the [standard shapes](@ref shapes). 5078 * @return A new cursor ready to use or `NULL` if an 5079 * [error](@ref error_handling) occurred. 5080 * 5081 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 5082 * GLFW_INVALID_ENUM, @ref GLFW_CURSOR_UNAVAILABLE and @ref 5083 * GLFW_PLATFORM_ERROR. 5084 * 5085 * @thread_safety This function must only be called from the main thread. 5086 * 5087 * @sa @ref cursor_standard 5088 * @sa @ref glfwCreateCursor 5089 * 5090 * @since Added in version 3.1. 5091 * 5092 * @ingroup input 5093 */ 5094 GLFWAPI GLFWcursor* glfwCreateStandardCursor(int shape); 5095 5096 /*! @brief Destroys a cursor. 5097 * 5098 * This function destroys a cursor previously created with @ref 5099 * glfwCreateCursor. Any remaining cursors will be destroyed by @ref 5100 * glfwTerminate. 5101 * 5102 * If the specified cursor is current for any window, that window will be 5103 * reverted to the default cursor. This does not affect the cursor mode. 5104 * 5105 * @param[in] cursor The cursor object to destroy. 5106 * 5107 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 5108 * GLFW_PLATFORM_ERROR. 5109 * 5110 * @reentrancy This function must not be called from a callback. 5111 * 5112 * @thread_safety This function must only be called from the main thread. 5113 * 5114 * @sa @ref cursor_object 5115 * @sa @ref glfwCreateCursor 5116 * 5117 * @since Added in version 3.1. 5118 * 5119 * @ingroup input 5120 */ 5121 GLFWAPI void glfwDestroyCursor(GLFWcursor* cursor); 5122 5123 /*! @brief Sets the cursor for the window. 5124 * 5125 * This function sets the cursor image to be used when the cursor is over the 5126 * content area of the specified window. The set cursor will only be visible 5127 * when the [cursor mode](@ref cursor_mode) of the window is 5128 * `GLFW_CURSOR_NORMAL`. 5129 * 5130 * On some platforms, the set cursor may not be visible unless the window also 5131 * has input focus. 5132 * 5133 * @param[in] window The window to set the cursor for. 5134 * @param[in] cursor The cursor to set, or `NULL` to switch back to the default 5135 * arrow cursor. 5136 * 5137 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 5138 * GLFW_PLATFORM_ERROR. 5139 * 5140 * @thread_safety This function must only be called from the main thread. 5141 * 5142 * @sa @ref cursor_object 5143 * 5144 * @since Added in version 3.1. 5145 * 5146 * @ingroup input 5147 */ 5148 GLFWAPI void glfwSetCursor(GLFWwindow* window, GLFWcursor* cursor); 5149 5150 /*! @brief Sets the key callback. 5151 * 5152 * This function sets the key callback of the specified window, which is called 5153 * when a key is pressed, repeated or released. 5154 * 5155 * The key functions deal with physical keys, with layout independent 5156 * [key tokens](@ref keys) named after their values in the standard US keyboard 5157 * layout. If you want to input text, use the 5158 * [character callback](@ref glfwSetCharCallback) instead. 5159 * 5160 * When a window loses input focus, it will generate synthetic key release 5161 * events for all pressed keys with associated key tokens. You can tell these 5162 * events from user-generated events by the fact that the synthetic ones are 5163 * generated after the focus loss event has been processed, i.e. after the 5164 * [window focus callback](@ref glfwSetWindowFocusCallback) has been called. 5165 * 5166 * The scancode of a key is specific to that platform or sometimes even to that 5167 * machine. Scancodes are intended to allow users to bind keys that don't have 5168 * a GLFW key token. Such keys have `key` set to `GLFW_KEY_UNKNOWN`, their 5169 * state is not saved and so it cannot be queried with @ref glfwGetKey. 5170 * 5171 * Sometimes GLFW needs to generate synthetic key events, in which case the 5172 * scancode may be zero. 5173 * 5174 * @param[in] window The window whose callback to set. 5175 * @param[in] callback The new key callback, or `NULL` to remove the currently 5176 * set callback. 5177 * @return The previously set callback, or `NULL` if no callback was set or the 5178 * library had not been [initialized](@ref intro_init). 5179 * 5180 * @callback_signature 5181 * @code 5182 * void function_name(GLFWwindow* window, int key, int scancode, int action, int mods) 5183 * @endcode 5184 * For more information about the callback parameters, see the 5185 * [function pointer type](@ref GLFWkeyfun). 5186 * 5187 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 5188 * 5189 * @thread_safety This function must only be called from the main thread. 5190 * 5191 * @sa @ref input_key 5192 * 5193 * @since Added in version 1.0. 5194 * @glfw3 Added window handle parameter and return value. 5195 * 5196 * @ingroup input 5197 */ 5198 GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* window, GLFWkeyfun callback); 5199 5200 /*! @brief Sets the Unicode character callback. 5201 * 5202 * This function sets the character callback of the specified window, which is 5203 * called when a Unicode character is input. 5204 * 5205 * The character callback is intended for Unicode text input. As it deals with 5206 * characters, it is keyboard layout dependent, whereas the 5207 * [key callback](@ref glfwSetKeyCallback) is not. Characters do not map 1:1 5208 * to physical keys, as a key may produce zero, one or more characters. If you 5209 * want to know whether a specific physical key was pressed or released, see 5210 * the key callback instead. 5211 * 5212 * The character callback behaves as system text input normally does and will 5213 * not be called if modifier keys are held down that would prevent normal text 5214 * input on that platform, for example a Super (Command) key on macOS or Alt key 5215 * on Windows. 5216 * 5217 * @param[in] window The window whose callback to set. 5218 * @param[in] callback The new callback, or `NULL` to remove the currently set 5219 * callback. 5220 * @return The previously set callback, or `NULL` if no callback was set or the 5221 * library had not been [initialized](@ref intro_init). 5222 * 5223 * @callback_signature 5224 * @code 5225 * void function_name(GLFWwindow* window, unsigned int codepoint) 5226 * @endcode 5227 * For more information about the callback parameters, see the 5228 * [function pointer type](@ref GLFWcharfun). 5229 * 5230 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 5231 * 5232 * @thread_safety This function must only be called from the main thread. 5233 * 5234 * @sa @ref input_char 5235 * 5236 * @since Added in version 2.4. 5237 * @glfw3 Added window handle parameter and return value. 5238 * 5239 * @ingroup input 5240 */ 5241 GLFWAPI GLFWcharfun glfwSetCharCallback(GLFWwindow* window, GLFWcharfun callback); 5242 5243 /*! @brief Sets the Unicode character with modifiers callback. 5244 * 5245 * This function sets the character with modifiers callback of the specified 5246 * window, which is called when a Unicode character is input regardless of what 5247 * modifier keys are used. 5248 * 5249 * The character with modifiers callback is intended for implementing custom 5250 * Unicode character input. For regular Unicode text input, see the 5251 * [character callback](@ref glfwSetCharCallback). Like the character 5252 * callback, the character with modifiers callback deals with characters and is 5253 * keyboard layout dependent. Characters do not map 1:1 to physical keys, as 5254 * a key may produce zero, one or more characters. If you want to know whether 5255 * a specific physical key was pressed or released, see the 5256 * [key callback](@ref glfwSetKeyCallback) instead. 5257 * 5258 * @param[in] window The window whose callback to set. 5259 * @param[in] callback The new callback, or `NULL` to remove the currently set 5260 * callback. 5261 * @return The previously set callback, or `NULL` if no callback was set or an 5262 * [error](@ref error_handling) occurred. 5263 * 5264 * @callback_signature 5265 * @code 5266 * void function_name(GLFWwindow* window, unsigned int codepoint, int mods) 5267 * @endcode 5268 * For more information about the callback parameters, see the 5269 * [function pointer type](@ref GLFWcharmodsfun). 5270 * 5271 * @deprecated Scheduled for removal in version 4.0. 5272 * 5273 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 5274 * 5275 * @thread_safety This function must only be called from the main thread. 5276 * 5277 * @sa @ref input_char 5278 * 5279 * @since Added in version 3.1. 5280 * 5281 * @ingroup input 5282 */ 5283 GLFWAPI GLFWcharmodsfun glfwSetCharModsCallback(GLFWwindow* window, GLFWcharmodsfun callback); 5284 5285 /*! @brief Sets the mouse button callback. 5286 * 5287 * This function sets the mouse button callback of the specified window, which 5288 * is called when a mouse button is pressed or released. 5289 * 5290 * When a window loses input focus, it will generate synthetic mouse button 5291 * release events for all pressed mouse buttons. You can tell these events 5292 * from user-generated events by the fact that the synthetic ones are generated 5293 * after the focus loss event has been processed, i.e. after the 5294 * [window focus callback](@ref glfwSetWindowFocusCallback) has been called. 5295 * 5296 * @param[in] window The window whose callback to set. 5297 * @param[in] callback The new callback, or `NULL` to remove the currently set 5298 * callback. 5299 * @return The previously set callback, or `NULL` if no callback was set or the 5300 * library had not been [initialized](@ref intro_init). 5301 * 5302 * @callback_signature 5303 * @code 5304 * void function_name(GLFWwindow* window, int button, int action, int mods) 5305 * @endcode 5306 * For more information about the callback parameters, see the 5307 * [function pointer type](@ref GLFWmousebuttonfun). 5308 * 5309 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 5310 * 5311 * @thread_safety This function must only be called from the main thread. 5312 * 5313 * @sa @ref input_mouse_button 5314 * 5315 * @since Added in version 1.0. 5316 * @glfw3 Added window handle parameter and return value. 5317 * 5318 * @ingroup input 5319 */ 5320 GLFWAPI GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* window, GLFWmousebuttonfun callback); 5321 5322 /*! @brief Sets the cursor position callback. 5323 * 5324 * This function sets the cursor position callback of the specified window, 5325 * which is called when the cursor is moved. The callback is provided with the 5326 * position, in screen coordinates, relative to the upper-left corner of the 5327 * content area of the window. 5328 * 5329 * @param[in] window The window whose callback to set. 5330 * @param[in] callback The new callback, or `NULL` to remove the currently set 5331 * callback. 5332 * @return The previously set callback, or `NULL` if no callback was set or the 5333 * library had not been [initialized](@ref intro_init). 5334 * 5335 * @callback_signature 5336 * @code 5337 * void function_name(GLFWwindow* window, double xpos, double ypos); 5338 * @endcode 5339 * For more information about the callback parameters, see the 5340 * [function pointer type](@ref GLFWcursorposfun). 5341 * 5342 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 5343 * 5344 * @thread_safety This function must only be called from the main thread. 5345 * 5346 * @sa @ref cursor_pos 5347 * 5348 * @since Added in version 3.0. Replaces `glfwSetMousePosCallback`. 5349 * 5350 * @ingroup input 5351 */ 5352 GLFWAPI GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* window, GLFWcursorposfun callback); 5353 5354 /*! @brief Sets the cursor enter/leave callback. 5355 * 5356 * This function sets the cursor boundary crossing callback of the specified 5357 * window, which is called when the cursor enters or leaves the content area of 5358 * the window. 5359 * 5360 * @param[in] window The window whose callback to set. 5361 * @param[in] callback The new callback, or `NULL` to remove the currently set 5362 * callback. 5363 * @return The previously set callback, or `NULL` if no callback was set or the 5364 * library had not been [initialized](@ref intro_init). 5365 * 5366 * @callback_signature 5367 * @code 5368 * void function_name(GLFWwindow* window, int entered) 5369 * @endcode 5370 * For more information about the callback parameters, see the 5371 * [function pointer type](@ref GLFWcursorenterfun). 5372 * 5373 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 5374 * 5375 * @thread_safety This function must only be called from the main thread. 5376 * 5377 * @sa @ref cursor_enter 5378 * 5379 * @since Added in version 3.0. 5380 * 5381 * @ingroup input 5382 */ 5383 GLFWAPI GLFWcursorenterfun glfwSetCursorEnterCallback(GLFWwindow* window, GLFWcursorenterfun callback); 5384 5385 /*! @brief Sets the scroll callback. 5386 * 5387 * This function sets the scroll callback of the specified window, which is 5388 * called when a scrolling device is used, such as a mouse wheel or scrolling 5389 * area of a touchpad. 5390 * 5391 * The scroll callback receives all scrolling input, like that from a mouse 5392 * wheel or a touchpad scrolling area. 5393 * 5394 * @param[in] window The window whose callback to set. 5395 * @param[in] callback The new scroll callback, or `NULL` to remove the 5396 * currently set callback. 5397 * @return The previously set callback, or `NULL` if no callback was set or the 5398 * library had not been [initialized](@ref intro_init). 5399 * 5400 * @callback_signature 5401 * @code 5402 * void function_name(GLFWwindow* window, double xoffset, double yoffset) 5403 * @endcode 5404 * For more information about the callback parameters, see the 5405 * [function pointer type](@ref GLFWscrollfun). 5406 * 5407 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 5408 * 5409 * @thread_safety This function must only be called from the main thread. 5410 * 5411 * @sa @ref scrolling 5412 * 5413 * @since Added in version 3.0. Replaces `glfwSetMouseWheelCallback`. 5414 * 5415 * @ingroup input 5416 */ 5417 GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* window, GLFWscrollfun callback); 5418 5419 /*! @brief Sets the path drop callback. 5420 * 5421 * This function sets the path drop callback of the specified window, which is 5422 * called when one or more dragged paths are dropped on the window. 5423 * 5424 * Because the path array and its strings may have been generated specifically 5425 * for that event, they are not guaranteed to be valid after the callback has 5426 * returned. If you wish to use them after the callback returns, you need to 5427 * make a deep copy. 5428 * 5429 * @param[in] window The window whose callback to set. 5430 * @param[in] callback The new file drop callback, or `NULL` to remove the 5431 * currently set callback. 5432 * @return The previously set callback, or `NULL` if no callback was set or the 5433 * library had not been [initialized](@ref intro_init). 5434 * 5435 * @callback_signature 5436 * @code 5437 * void function_name(GLFWwindow* window, int path_count, const char* paths[]) 5438 * @endcode 5439 * For more information about the callback parameters, see the 5440 * [function pointer type](@ref GLFWdropfun). 5441 * 5442 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 5443 * 5444 * @thread_safety This function must only be called from the main thread. 5445 * 5446 * @sa @ref path_drop 5447 * 5448 * @since Added in version 3.1. 5449 * 5450 * @ingroup input 5451 */ 5452 GLFWAPI GLFWdropfun glfwSetDropCallback(GLFWwindow* window, GLFWdropfun callback); 5453 5454 /*! @brief Returns whether the specified joystick is present. 5455 * 5456 * This function returns whether the specified joystick is present. 5457 * 5458 * There is no need to call this function before other functions that accept 5459 * a joystick ID, as they all check for presence before performing any other 5460 * work. 5461 * 5462 * @param[in] jid The [joystick](@ref joysticks) to query. 5463 * @return `GLFW_TRUE` if the joystick is present, or `GLFW_FALSE` otherwise. 5464 * 5465 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 5466 * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. 5467 * 5468 * @thread_safety This function must only be called from the main thread. 5469 * 5470 * @sa @ref joystick 5471 * 5472 * @since Added in version 3.0. Replaces `glfwGetJoystickParam`. 5473 * 5474 * @ingroup input 5475 */ 5476 GLFWAPI int glfwJoystickPresent(int jid); 5477 5478 /*! @brief Returns the values of all axes of the specified joystick. 5479 * 5480 * This function returns the values of all axes of the specified joystick. 5481 * Each element in the array is a value between -1.0 and 1.0. 5482 * 5483 * If the specified joystick is not present this function will return `NULL` 5484 * but will not generate an error. This can be used instead of first calling 5485 * @ref glfwJoystickPresent. 5486 * 5487 * @param[in] jid The [joystick](@ref joysticks) to query. 5488 * @param[out] count Where to store the number of axis values in the returned 5489 * array. This is set to zero if the joystick is not present or an error 5490 * occurred. 5491 * @return An array of axis values, or `NULL` if the joystick is not present or 5492 * an [error](@ref error_handling) occurred. 5493 * 5494 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 5495 * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. 5496 * 5497 * @pointer_lifetime The returned array is allocated and freed by GLFW. You 5498 * should not free it yourself. It is valid until the specified joystick is 5499 * disconnected or the library is terminated. 5500 * 5501 * @thread_safety This function must only be called from the main thread. 5502 * 5503 * @sa @ref joystick_axis 5504 * 5505 * @since Added in version 3.0. Replaces `glfwGetJoystickPos`. 5506 * 5507 * @ingroup input 5508 */ 5509 GLFWAPI const float* glfwGetJoystickAxes(int jid, int* count); 5510 5511 /*! @brief Returns the state of all buttons of the specified joystick. 5512 * 5513 * This function returns the state of all buttons of the specified joystick. 5514 * Each element in the array is either `GLFW_PRESS` or `GLFW_RELEASE`. 5515 * 5516 * For backward compatibility with earlier versions that did not have @ref 5517 * glfwGetJoystickHats, the button array also includes all hats, each 5518 * represented as four buttons. The hats are in the same order as returned by 5519 * __glfwGetJoystickHats__ and are in the order _up_, _right_, _down_ and 5520 * _left_. To disable these extra buttons, set the @ref 5521 * GLFW_JOYSTICK_HAT_BUTTONS init hint before initialization. 5522 * 5523 * If the specified joystick is not present this function will return `NULL` 5524 * but will not generate an error. This can be used instead of first calling 5525 * @ref glfwJoystickPresent. 5526 * 5527 * @param[in] jid The [joystick](@ref joysticks) to query. 5528 * @param[out] count Where to store the number of button states in the returned 5529 * array. This is set to zero if the joystick is not present or an error 5530 * occurred. 5531 * @return An array of button states, or `NULL` if the joystick is not present 5532 * or an [error](@ref error_handling) occurred. 5533 * 5534 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 5535 * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. 5536 * 5537 * @pointer_lifetime The returned array is allocated and freed by GLFW. You 5538 * should not free it yourself. It is valid until the specified joystick is 5539 * disconnected or the library is terminated. 5540 * 5541 * @thread_safety This function must only be called from the main thread. 5542 * 5543 * @sa @ref joystick_button 5544 * 5545 * @since Added in version 2.2. 5546 * @glfw3 Changed to return a dynamic array. 5547 * 5548 * @ingroup input 5549 */ 5550 GLFWAPI const unsigned char* glfwGetJoystickButtons(int jid, int* count); 5551 5552 /*! @brief Returns the state of all hats of the specified joystick. 5553 * 5554 * This function returns the state of all hats of the specified joystick. 5555 * Each element in the array is one of the following values: 5556 * 5557 * Name | Value 5558 * ---- | ----- 5559 * `GLFW_HAT_CENTERED` | 0 5560 * `GLFW_HAT_UP` | 1 5561 * `GLFW_HAT_RIGHT` | 2 5562 * `GLFW_HAT_DOWN` | 4 5563 * `GLFW_HAT_LEFT` | 8 5564 * `GLFW_HAT_RIGHT_UP` | `GLFW_HAT_RIGHT` \| `GLFW_HAT_UP` 5565 * `GLFW_HAT_RIGHT_DOWN` | `GLFW_HAT_RIGHT` \| `GLFW_HAT_DOWN` 5566 * `GLFW_HAT_LEFT_UP` | `GLFW_HAT_LEFT` \| `GLFW_HAT_UP` 5567 * `GLFW_HAT_LEFT_DOWN` | `GLFW_HAT_LEFT` \| `GLFW_HAT_DOWN` 5568 * 5569 * The diagonal directions are bitwise combinations of the primary (up, right, 5570 * down and left) directions and you can test for these individually by ANDing 5571 * it with the corresponding direction. 5572 * 5573 * @code 5574 * if (hats[2] & GLFW_HAT_RIGHT) 5575 * { 5576 * // State of hat 2 could be right-up, right or right-down 5577 * } 5578 * @endcode 5579 * 5580 * If the specified joystick is not present this function will return `NULL` 5581 * but will not generate an error. This can be used instead of first calling 5582 * @ref glfwJoystickPresent. 5583 * 5584 * @param[in] jid The [joystick](@ref joysticks) to query. 5585 * @param[out] count Where to store the number of hat states in the returned 5586 * array. This is set to zero if the joystick is not present or an error 5587 * occurred. 5588 * @return An array of hat states, or `NULL` if the joystick is not present 5589 * or an [error](@ref error_handling) occurred. 5590 * 5591 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 5592 * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. 5593 * 5594 * @pointer_lifetime The returned array is allocated and freed by GLFW. You 5595 * should not free it yourself. It is valid until the specified joystick is 5596 * disconnected, this function is called again for that joystick or the library 5597 * is terminated. 5598 * 5599 * @thread_safety This function must only be called from the main thread. 5600 * 5601 * @sa @ref joystick_hat 5602 * 5603 * @since Added in version 3.3. 5604 * 5605 * @ingroup input 5606 */ 5607 GLFWAPI const unsigned char* glfwGetJoystickHats(int jid, int* count); 5608 5609 /*! @brief Returns the name of the specified joystick. 5610 * 5611 * This function returns the name, encoded as UTF-8, of the specified joystick. 5612 * The returned string is allocated and freed by GLFW. You should not free it 5613 * yourself. 5614 * 5615 * If the specified joystick is not present this function will return `NULL` 5616 * but will not generate an error. This can be used instead of first calling 5617 * @ref glfwJoystickPresent. 5618 * 5619 * @param[in] jid The [joystick](@ref joysticks) to query. 5620 * @return The UTF-8 encoded name of the joystick, or `NULL` if the joystick 5621 * is not present or an [error](@ref error_handling) occurred. 5622 * 5623 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 5624 * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. 5625 * 5626 * @pointer_lifetime The returned string is allocated and freed by GLFW. You 5627 * should not free it yourself. It is valid until the specified joystick is 5628 * disconnected or the library is terminated. 5629 * 5630 * @thread_safety This function must only be called from the main thread. 5631 * 5632 * @sa @ref joystick_name 5633 * 5634 * @since Added in version 3.0. 5635 * 5636 * @ingroup input 5637 */ 5638 GLFWAPI const char* glfwGetJoystickName(int jid); 5639 5640 /*! @brief Returns the SDL compatible GUID of the specified joystick. 5641 * 5642 * This function returns the SDL compatible GUID, as a UTF-8 encoded 5643 * hexadecimal string, of the specified joystick. The returned string is 5644 * allocated and freed by GLFW. You should not free it yourself. 5645 * 5646 * The GUID is what connects a joystick to a gamepad mapping. A connected 5647 * joystick will always have a GUID even if there is no gamepad mapping 5648 * assigned to it. 5649 * 5650 * If the specified joystick is not present this function will return `NULL` 5651 * but will not generate an error. This can be used instead of first calling 5652 * @ref glfwJoystickPresent. 5653 * 5654 * The GUID uses the format introduced in SDL 2.0.5. This GUID tries to 5655 * uniquely identify the make and model of a joystick but does not identify 5656 * a specific unit, e.g. all wired Xbox 360 controllers will have the same 5657 * GUID on that platform. The GUID for a unit may vary between platforms 5658 * depending on what hardware information the platform specific APIs provide. 5659 * 5660 * @param[in] jid The [joystick](@ref joysticks) to query. 5661 * @return The UTF-8 encoded GUID of the joystick, or `NULL` if the joystick 5662 * is not present or an [error](@ref error_handling) occurred. 5663 * 5664 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 5665 * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. 5666 * 5667 * @pointer_lifetime The returned string is allocated and freed by GLFW. You 5668 * should not free it yourself. It is valid until the specified joystick is 5669 * disconnected or the library is terminated. 5670 * 5671 * @thread_safety This function must only be called from the main thread. 5672 * 5673 * @sa @ref gamepad 5674 * 5675 * @since Added in version 3.3. 5676 * 5677 * @ingroup input 5678 */ 5679 GLFWAPI const char* glfwGetJoystickGUID(int jid); 5680 5681 /*! @brief Sets the user pointer of the specified joystick. 5682 * 5683 * This function sets the user-defined pointer of the specified joystick. The 5684 * current value is retained until the joystick is disconnected. The initial 5685 * value is `NULL`. 5686 * 5687 * This function may be called from the joystick callback, even for a joystick 5688 * that is being disconnected. 5689 * 5690 * @param[in] jid The joystick whose pointer to set. 5691 * @param[in] pointer The new value. 5692 * 5693 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 5694 * 5695 * @thread_safety This function may be called from any thread. Access is not 5696 * synchronized. 5697 * 5698 * @sa @ref joystick_userptr 5699 * @sa @ref glfwGetJoystickUserPointer 5700 * 5701 * @since Added in version 3.3. 5702 * 5703 * @ingroup input 5704 */ 5705 GLFWAPI void glfwSetJoystickUserPointer(int jid, void* pointer); 5706 5707 /*! @brief Returns the user pointer of the specified joystick. 5708 * 5709 * This function returns the current value of the user-defined pointer of the 5710 * specified joystick. The initial value is `NULL`. 5711 * 5712 * This function may be called from the joystick callback, even for a joystick 5713 * that is being disconnected. 5714 * 5715 * @param[in] jid The joystick whose pointer to return. 5716 * 5717 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 5718 * 5719 * @thread_safety This function may be called from any thread. Access is not 5720 * synchronized. 5721 * 5722 * @sa @ref joystick_userptr 5723 * @sa @ref glfwSetJoystickUserPointer 5724 * 5725 * @since Added in version 3.3. 5726 * 5727 * @ingroup input 5728 */ 5729 GLFWAPI void* glfwGetJoystickUserPointer(int jid); 5730 5731 /*! @brief Returns whether the specified joystick has a gamepad mapping. 5732 * 5733 * This function returns whether the specified joystick is both present and has 5734 * a gamepad mapping. 5735 * 5736 * If the specified joystick is present but does not have a gamepad mapping 5737 * this function will return `GLFW_FALSE` but will not generate an error. Call 5738 * @ref glfwJoystickPresent to check if a joystick is present regardless of 5739 * whether it has a mapping. 5740 * 5741 * @param[in] jid The [joystick](@ref joysticks) to query. 5742 * @return `GLFW_TRUE` if a joystick is both present and has a gamepad mapping, 5743 * or `GLFW_FALSE` otherwise. 5744 * 5745 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 5746 * GLFW_INVALID_ENUM. 5747 * 5748 * @thread_safety This function must only be called from the main thread. 5749 * 5750 * @sa @ref gamepad 5751 * @sa @ref glfwGetGamepadState 5752 * 5753 * @since Added in version 3.3. 5754 * 5755 * @ingroup input 5756 */ 5757 GLFWAPI int glfwJoystickIsGamepad(int jid); 5758 5759 /*! @brief Sets the joystick configuration callback. 5760 * 5761 * This function sets the joystick configuration callback, or removes the 5762 * currently set callback. This is called when a joystick is connected to or 5763 * disconnected from the system. 5764 * 5765 * For joystick connection and disconnection events to be delivered on all 5766 * platforms, you need to call one of the [event processing](@ref events) 5767 * functions. Joystick disconnection may also be detected and the callback 5768 * called by joystick functions. The function will then return whatever it 5769 * returns if the joystick is not present. 5770 * 5771 * @param[in] callback The new callback, or `NULL` to remove the currently set 5772 * callback. 5773 * @return The previously set callback, or `NULL` if no callback was set or the 5774 * library had not been [initialized](@ref intro_init). 5775 * 5776 * @callback_signature 5777 * @code 5778 * void function_name(int jid, int event) 5779 * @endcode 5780 * For more information about the callback parameters, see the 5781 * [function pointer type](@ref GLFWjoystickfun). 5782 * 5783 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 5784 * 5785 * @thread_safety This function must only be called from the main thread. 5786 * 5787 * @sa @ref joystick_event 5788 * 5789 * @since Added in version 3.2. 5790 * 5791 * @ingroup input 5792 */ 5793 GLFWAPI GLFWjoystickfun glfwSetJoystickCallback(GLFWjoystickfun callback); 5794 5795 /*! @brief Adds the specified SDL_GameControllerDB gamepad mappings. 5796 * 5797 * This function parses the specified ASCII encoded string and updates the 5798 * internal list with any gamepad mappings it finds. This string may 5799 * contain either a single gamepad mapping or many mappings separated by 5800 * newlines. The parser supports the full format of the `gamecontrollerdb.txt` 5801 * source file including empty lines and comments. 5802 * 5803 * See @ref gamepad_mapping for a description of the format. 5804 * 5805 * If there is already a gamepad mapping for a given GUID in the internal list, 5806 * it will be replaced by the one passed to this function. If the library is 5807 * terminated and re-initialized the internal list will revert to the built-in 5808 * default. 5809 * 5810 * @param[in] string The string containing the gamepad mappings. 5811 * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an 5812 * [error](@ref error_handling) occurred. 5813 * 5814 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 5815 * GLFW_INVALID_VALUE. 5816 * 5817 * @thread_safety This function must only be called from the main thread. 5818 * 5819 * @sa @ref gamepad 5820 * @sa @ref glfwJoystickIsGamepad 5821 * @sa @ref glfwGetGamepadName 5822 * 5823 * @since Added in version 3.3. 5824 * 5825 * @ingroup input 5826 */ 5827 GLFWAPI int glfwUpdateGamepadMappings(const char* string); 5828 5829 /*! @brief Returns the human-readable gamepad name for the specified joystick. 5830 * 5831 * This function returns the human-readable name of the gamepad from the 5832 * gamepad mapping assigned to the specified joystick. 5833 * 5834 * If the specified joystick is not present or does not have a gamepad mapping 5835 * this function will return `NULL` but will not generate an error. Call 5836 * @ref glfwJoystickPresent to check whether it is present regardless of 5837 * whether it has a mapping. 5838 * 5839 * @param[in] jid The [joystick](@ref joysticks) to query. 5840 * @return The UTF-8 encoded name of the gamepad, or `NULL` if the 5841 * joystick is not present, does not have a mapping or an 5842 * [error](@ref error_handling) occurred. 5843 * 5844 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref GLFW_INVALID_ENUM. 5845 * 5846 * @pointer_lifetime The returned string is allocated and freed by GLFW. You 5847 * should not free it yourself. It is valid until the specified joystick is 5848 * disconnected, the gamepad mappings are updated or the library is terminated. 5849 * 5850 * @thread_safety This function must only be called from the main thread. 5851 * 5852 * @sa @ref gamepad 5853 * @sa @ref glfwJoystickIsGamepad 5854 * 5855 * @since Added in version 3.3. 5856 * 5857 * @ingroup input 5858 */ 5859 GLFWAPI const char* glfwGetGamepadName(int jid); 5860 5861 /*! @brief Retrieves the state of the specified joystick remapped as a gamepad. 5862 * 5863 * This function retrieves the state of the specified joystick remapped to 5864 * an Xbox-like gamepad. 5865 * 5866 * If the specified joystick is not present or does not have a gamepad mapping 5867 * this function will return `GLFW_FALSE` but will not generate an error. Call 5868 * @ref glfwJoystickPresent to check whether it is present regardless of 5869 * whether it has a mapping. 5870 * 5871 * The Guide button may not be available for input as it is often hooked by the 5872 * system or the Steam client. 5873 * 5874 * Not all devices have all the buttons or axes provided by @ref 5875 * GLFWgamepadstate. Unavailable buttons and axes will always report 5876 * `GLFW_RELEASE` and 0.0 respectively. 5877 * 5878 * @param[in] jid The [joystick](@ref joysticks) to query. 5879 * @param[out] state The gamepad input state of the joystick. 5880 * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if no joystick is 5881 * connected, it has no gamepad mapping or an [error](@ref error_handling) 5882 * occurred. 5883 * 5884 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 5885 * GLFW_INVALID_ENUM. 5886 * 5887 * @thread_safety This function must only be called from the main thread. 5888 * 5889 * @sa @ref gamepad 5890 * @sa @ref glfwUpdateGamepadMappings 5891 * @sa @ref glfwJoystickIsGamepad 5892 * 5893 * @since Added in version 3.3. 5894 * 5895 * @ingroup input 5896 */ 5897 GLFWAPI int glfwGetGamepadState(int jid, GLFWgamepadstate* state); 5898 5899 /*! @brief Sets the clipboard to the specified string. 5900 * 5901 * This function sets the system clipboard to the specified, UTF-8 encoded 5902 * string. 5903 * 5904 * @param[in] window Deprecated. Any valid window or `NULL`. 5905 * @param[in] string A UTF-8 encoded string. 5906 * 5907 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 5908 * GLFW_PLATFORM_ERROR. 5909 * 5910 * @remark @win32 The clipboard on Windows has a single global lock for reading and 5911 * writing. GLFW tries to acquire it a few times, which is almost always enough. If it 5912 * cannot acquire the lock then this function emits @ref GLFW_PLATFORM_ERROR and returns. 5913 * It is safe to try this multiple times. 5914 * 5915 * @pointer_lifetime The specified string is copied before this function 5916 * returns. 5917 * 5918 * @thread_safety This function must only be called from the main thread. 5919 * 5920 * @sa @ref clipboard 5921 * @sa @ref glfwGetClipboardString 5922 * 5923 * @since Added in version 3.0. 5924 * 5925 * @ingroup input 5926 */ 5927 GLFWAPI void glfwSetClipboardString(GLFWwindow* window, const char* string); 5928 5929 /*! @brief Returns the contents of the clipboard as a string. 5930 * 5931 * This function returns the contents of the system clipboard, if it contains 5932 * or is convertible to a UTF-8 encoded string. If the clipboard is empty or 5933 * if its contents cannot be converted, `NULL` is returned and a @ref 5934 * GLFW_FORMAT_UNAVAILABLE error is generated. 5935 * 5936 * @param[in] window Deprecated. Any valid window or `NULL`. 5937 * @return The contents of the clipboard as a UTF-8 encoded string, or `NULL` 5938 * if an [error](@ref error_handling) occurred. 5939 * 5940 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 5941 * GLFW_FORMAT_UNAVAILABLE and @ref GLFW_PLATFORM_ERROR. 5942 * 5943 * @remark @win32 The clipboard on Windows has a single global lock for reading and 5944 * writing. GLFW tries to acquire it a few times, which is almost always enough. If it 5945 * cannot acquire the lock then this function emits @ref GLFW_PLATFORM_ERROR and returns. 5946 * It is safe to try this multiple times. 5947 * 5948 * @pointer_lifetime The returned string is allocated and freed by GLFW. You 5949 * should not free it yourself. It is valid until the next call to @ref 5950 * glfwGetClipboardString or @ref glfwSetClipboardString, or until the library 5951 * is terminated. 5952 * 5953 * @thread_safety This function must only be called from the main thread. 5954 * 5955 * @sa @ref clipboard 5956 * @sa @ref glfwSetClipboardString 5957 * 5958 * @since Added in version 3.0. 5959 * 5960 * @ingroup input 5961 */ 5962 GLFWAPI const char* glfwGetClipboardString(GLFWwindow* window); 5963 5964 /*! @brief Returns the GLFW time. 5965 * 5966 * This function returns the current GLFW time, in seconds. Unless the time 5967 * has been set using @ref glfwSetTime it measures time elapsed since GLFW was 5968 * initialized. 5969 * 5970 * This function and @ref glfwSetTime are helper functions on top of @ref 5971 * glfwGetTimerFrequency and @ref glfwGetTimerValue. 5972 * 5973 * The resolution of the timer is system dependent, but is usually on the order 5974 * of a few micro- or nanoseconds. It uses the highest-resolution monotonic 5975 * time source on each operating system. 5976 * 5977 * @return The current time, in seconds, or zero if an 5978 * [error](@ref error_handling) occurred. 5979 * 5980 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 5981 * 5982 * @thread_safety This function may be called from any thread. Reading and 5983 * writing of the internal base time is not atomic, so it needs to be 5984 * externally synchronized with calls to @ref glfwSetTime. 5985 * 5986 * @sa @ref time 5987 * 5988 * @since Added in version 1.0. 5989 * 5990 * @ingroup input 5991 */ 5992 GLFWAPI double glfwGetTime(void); 5993 5994 /*! @brief Sets the GLFW time. 5995 * 5996 * This function sets the current GLFW time, in seconds. The value must be 5997 * a positive finite number less than or equal to 18446744073.0, which is 5998 * approximately 584.5 years. 5999 * 6000 * This function and @ref glfwGetTime are helper functions on top of @ref 6001 * glfwGetTimerFrequency and @ref glfwGetTimerValue. 6002 * 6003 * @param[in] time The new value, in seconds. 6004 * 6005 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 6006 * GLFW_INVALID_VALUE. 6007 * 6008 * @remark The upper limit of GLFW time is calculated as 6009 * floor((2<sup>64</sup> - 1) / 10<sup>9</sup>) and is due to implementations 6010 * storing nanoseconds in 64 bits. The limit may be increased in the future. 6011 * 6012 * @thread_safety This function may be called from any thread. Reading and 6013 * writing of the internal base time is not atomic, so it needs to be 6014 * externally synchronized with calls to @ref glfwGetTime. 6015 * 6016 * @sa @ref time 6017 * 6018 * @since Added in version 2.2. 6019 * 6020 * @ingroup input 6021 */ 6022 GLFWAPI void glfwSetTime(double time); 6023 6024 /*! @brief Returns the current value of the raw timer. 6025 * 6026 * This function returns the current value of the raw timer, measured in 6027 * 1 / frequency seconds. To get the frequency, call @ref 6028 * glfwGetTimerFrequency. 6029 * 6030 * @return The value of the timer, or zero if an 6031 * [error](@ref error_handling) occurred. 6032 * 6033 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 6034 * 6035 * @thread_safety This function may be called from any thread. 6036 * 6037 * @sa @ref time 6038 * @sa @ref glfwGetTimerFrequency 6039 * 6040 * @since Added in version 3.2. 6041 * 6042 * @ingroup input 6043 */ 6044 GLFWAPI uint64_t glfwGetTimerValue(void); 6045 6046 /*! @brief Returns the frequency, in Hz, of the raw timer. 6047 * 6048 * This function returns the frequency, in Hz, of the raw timer. 6049 * 6050 * @return The frequency of the timer, in Hz, or zero if an 6051 * [error](@ref error_handling) occurred. 6052 * 6053 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 6054 * 6055 * @thread_safety This function may be called from any thread. 6056 * 6057 * @sa @ref time 6058 * @sa @ref glfwGetTimerValue 6059 * 6060 * @since Added in version 3.2. 6061 * 6062 * @ingroup input 6063 */ 6064 GLFWAPI uint64_t glfwGetTimerFrequency(void); 6065 6066 /*! @brief Makes the context of the specified window current for the calling 6067 * thread. 6068 * 6069 * This function makes the OpenGL or OpenGL ES context of the specified window 6070 * current on the calling thread. It can also detach the current context from 6071 * the calling thread without making a new one current by passing in `NULL`. 6072 * 6073 * A context must only be made current on a single thread at a time and each 6074 * thread can have only a single current context at a time. Making a context 6075 * current detaches any previously current context on the calling thread. 6076 * 6077 * When moving a context between threads, you must detach it (make it 6078 * non-current) on the old thread before making it current on the new one. 6079 * 6080 * By default, making a context non-current implicitly forces a pipeline flush. 6081 * On machines that support `GL_KHR_context_flush_control`, you can control 6082 * whether a context performs this flush by setting the 6083 * [GLFW_CONTEXT_RELEASE_BEHAVIOR](@ref GLFW_CONTEXT_RELEASE_BEHAVIOR_hint) 6084 * hint. 6085 * 6086 * The specified window must have an OpenGL or OpenGL ES context. Specifying 6087 * a window without a context will generate a @ref GLFW_NO_WINDOW_CONTEXT 6088 * error. 6089 * 6090 * @param[in] window The window whose context to make current, or `NULL` to 6091 * detach the current context. 6092 * 6093 * @remarks If the previously current context was created via a different 6094 * context creation API than the one passed to this function, GLFW will still 6095 * detach the previous one from its API before making the new one current. 6096 * 6097 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 6098 * GLFW_NO_WINDOW_CONTEXT and @ref GLFW_PLATFORM_ERROR. 6099 * 6100 * @thread_safety This function may be called from any thread. 6101 * 6102 * @sa @ref context_current 6103 * @sa @ref glfwGetCurrentContext 6104 * 6105 * @since Added in version 3.0. 6106 * 6107 * @ingroup context 6108 */ 6109 GLFWAPI void glfwMakeContextCurrent(GLFWwindow* window); 6110 6111 /*! @brief Returns the window whose context is current on the calling thread. 6112 * 6113 * This function returns the window whose OpenGL or OpenGL ES context is 6114 * current on the calling thread. 6115 * 6116 * @return The window whose context is current, or `NULL` if no window's 6117 * context is current. 6118 * 6119 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 6120 * 6121 * @thread_safety This function may be called from any thread. 6122 * 6123 * @sa @ref context_current 6124 * @sa @ref glfwMakeContextCurrent 6125 * 6126 * @since Added in version 3.0. 6127 * 6128 * @ingroup context 6129 */ 6130 GLFWAPI GLFWwindow* glfwGetCurrentContext(void); 6131 6132 /*! @brief Swaps the front and back buffers of the specified window. 6133 * 6134 * This function swaps the front and back buffers of the specified window when 6135 * rendering with OpenGL or OpenGL ES. If the swap interval is greater than 6136 * zero, the GPU driver waits the specified number of screen updates before 6137 * swapping the buffers. 6138 * 6139 * The specified window must have an OpenGL or OpenGL ES context. Specifying 6140 * a window without a context will generate a @ref GLFW_NO_WINDOW_CONTEXT 6141 * error. 6142 * 6143 * This function does not apply to Vulkan. If you are rendering with Vulkan, 6144 * see `vkQueuePresentKHR` instead. 6145 * 6146 * @param[in] window The window whose buffers to swap. 6147 * 6148 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 6149 * GLFW_NO_WINDOW_CONTEXT and @ref GLFW_PLATFORM_ERROR. 6150 * 6151 * @remark __EGL:__ The context of the specified window must be current on the 6152 * calling thread. 6153 * 6154 * @thread_safety This function may be called from any thread. 6155 * 6156 * @sa @ref buffer_swap 6157 * @sa @ref glfwSwapInterval 6158 * 6159 * @since Added in version 1.0. 6160 * @glfw3 Added window handle parameter. 6161 * 6162 * @ingroup window 6163 */ 6164 GLFWAPI void glfwSwapBuffers(GLFWwindow* window); 6165 6166 /*! @brief Sets the swap interval for the current context. 6167 * 6168 * This function sets the swap interval for the current OpenGL or OpenGL ES 6169 * context, i.e. the number of screen updates to wait from the time @ref 6170 * glfwSwapBuffers was called before swapping the buffers and returning. This 6171 * is sometimes called _vertical synchronization_, _vertical retrace 6172 * synchronization_ or just _vsync_. 6173 * 6174 * A context that supports either of the `WGL_EXT_swap_control_tear` and 6175 * `GLX_EXT_swap_control_tear` extensions also accepts _negative_ swap 6176 * intervals, which allows the driver to swap immediately even if a frame 6177 * arrives a little bit late. You can check for these extensions with @ref 6178 * glfwExtensionSupported. 6179 * 6180 * A context must be current on the calling thread. Calling this function 6181 * without a current context will cause a @ref GLFW_NO_CURRENT_CONTEXT error. 6182 * 6183 * This function does not apply to Vulkan. If you are rendering with Vulkan, 6184 * see the present mode of your swapchain instead. 6185 * 6186 * @param[in] interval The minimum number of screen updates to wait for 6187 * until the buffers are swapped by @ref glfwSwapBuffers. 6188 * 6189 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 6190 * GLFW_NO_CURRENT_CONTEXT and @ref GLFW_PLATFORM_ERROR. 6191 * 6192 * @remark This function is not called during context creation, leaving the 6193 * swap interval set to whatever is the default for that API. This is done 6194 * because some swap interval extensions used by GLFW do not allow the swap 6195 * interval to be reset to zero once it has been set to a non-zero value. 6196 * 6197 * @remark Some GPU drivers do not honor the requested swap interval, either 6198 * because of a user setting that overrides the application's request or due to 6199 * bugs in the driver. 6200 * 6201 * @thread_safety This function may be called from any thread. 6202 * 6203 * @sa @ref buffer_swap 6204 * @sa @ref glfwSwapBuffers 6205 * 6206 * @since Added in version 1.0. 6207 * 6208 * @ingroup context 6209 */ 6210 GLFWAPI void glfwSwapInterval(int interval); 6211 6212 /*! @brief Returns whether the specified extension is available. 6213 * 6214 * This function returns whether the specified 6215 * [API extension](@ref context_glext) is supported by the current OpenGL or 6216 * OpenGL ES context. It searches both for client API extension and context 6217 * creation API extensions. 6218 * 6219 * A context must be current on the calling thread. Calling this function 6220 * without a current context will cause a @ref GLFW_NO_CURRENT_CONTEXT error. 6221 * 6222 * As this functions retrieves and searches one or more extension strings each 6223 * call, it is recommended that you cache its results if it is going to be used 6224 * frequently. The extension strings will not change during the lifetime of 6225 * a context, so there is no danger in doing this. 6226 * 6227 * This function does not apply to Vulkan. If you are using Vulkan, see @ref 6228 * glfwGetRequiredInstanceExtensions, `vkEnumerateInstanceExtensionProperties` 6229 * and `vkEnumerateDeviceExtensionProperties` instead. 6230 * 6231 * @param[in] extension The ASCII encoded name of the extension. 6232 * @return `GLFW_TRUE` if the extension is available, or `GLFW_FALSE` 6233 * otherwise. 6234 * 6235 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 6236 * GLFW_NO_CURRENT_CONTEXT, @ref GLFW_INVALID_VALUE and @ref 6237 * GLFW_PLATFORM_ERROR. 6238 * 6239 * @thread_safety This function may be called from any thread. 6240 * 6241 * @sa @ref context_glext 6242 * @sa @ref glfwGetProcAddress 6243 * 6244 * @since Added in version 1.0. 6245 * 6246 * @ingroup context 6247 */ 6248 GLFWAPI int glfwExtensionSupported(const char* extension); 6249 6250 /*! @brief Returns the address of the specified function for the current 6251 * context. 6252 * 6253 * This function returns the address of the specified OpenGL or OpenGL ES 6254 * [core or extension function](@ref context_glext), if it is supported 6255 * by the current context. 6256 * 6257 * A context must be current on the calling thread. Calling this function 6258 * without a current context will cause a @ref GLFW_NO_CURRENT_CONTEXT error. 6259 * 6260 * This function does not apply to Vulkan. If you are rendering with Vulkan, 6261 * see @ref glfwGetInstanceProcAddress, `vkGetInstanceProcAddr` and 6262 * `vkGetDeviceProcAddr` instead. 6263 * 6264 * @param[in] procname The ASCII encoded name of the function. 6265 * @return The address of the function, or `NULL` if an 6266 * [error](@ref error_handling) occurred. 6267 * 6268 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 6269 * GLFW_NO_CURRENT_CONTEXT and @ref GLFW_PLATFORM_ERROR. 6270 * 6271 * @remark The address of a given function is not guaranteed to be the same 6272 * between contexts. 6273 * 6274 * @remark This function may return a non-`NULL` address despite the 6275 * associated version or extension not being available. Always check the 6276 * context version or extension string first. 6277 * 6278 * @pointer_lifetime The returned function pointer is valid until the context 6279 * is destroyed or the library is terminated. 6280 * 6281 * @thread_safety This function may be called from any thread. 6282 * 6283 * @sa @ref context_glext 6284 * @sa @ref glfwExtensionSupported 6285 * 6286 * @since Added in version 1.0. 6287 * 6288 * @ingroup context 6289 */ 6290 GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname); 6291 6292 /*! @brief Returns whether the Vulkan loader and an ICD have been found. 6293 * 6294 * This function returns whether the Vulkan loader and any minimally functional 6295 * ICD have been found. 6296 * 6297 * The availability of a Vulkan loader and even an ICD does not by itself guarantee that 6298 * surface creation or even instance creation is possible. Call @ref 6299 * glfwGetRequiredInstanceExtensions to check whether the extensions necessary for Vulkan 6300 * surface creation are available and @ref glfwGetPhysicalDevicePresentationSupport to 6301 * check whether a queue family of a physical device supports image presentation. 6302 * 6303 * @return `GLFW_TRUE` if Vulkan is minimally available, or `GLFW_FALSE` 6304 * otherwise. 6305 * 6306 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. 6307 * 6308 * @thread_safety This function may be called from any thread. 6309 * 6310 * @sa @ref vulkan_support 6311 * 6312 * @since Added in version 3.2. 6313 * 6314 * @ingroup vulkan 6315 */ 6316 GLFWAPI int glfwVulkanSupported(void); 6317 6318 /*! @brief Returns the Vulkan instance extensions required by GLFW. 6319 * 6320 * This function returns an array of names of Vulkan instance extensions required 6321 * by GLFW for creating Vulkan surfaces for GLFW windows. If successful, the 6322 * list will always contain `VK_KHR_surface`, so if you don't require any 6323 * additional extensions you can pass this list directly to the 6324 * `VkInstanceCreateInfo` struct. 6325 * 6326 * If Vulkan is not available on the machine, this function returns `NULL` and 6327 * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported 6328 * to check whether Vulkan is at least minimally available. 6329 * 6330 * If Vulkan is available but no set of extensions allowing window surface 6331 * creation was found, this function returns `NULL`. You may still use Vulkan 6332 * for off-screen rendering and compute work. 6333 * 6334 * @param[out] count Where to store the number of extensions in the returned 6335 * array. This is set to zero if an error occurred. 6336 * @return An array of ASCII encoded extension names, or `NULL` if an 6337 * [error](@ref error_handling) occurred. 6338 * 6339 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 6340 * GLFW_API_UNAVAILABLE. 6341 * 6342 * @remark Additional extensions may be required by future versions of GLFW. 6343 * You should check if any extensions you wish to enable are already in the 6344 * returned array, as it is an error to specify an extension more than once in 6345 * the `VkInstanceCreateInfo` struct. 6346 * 6347 * @pointer_lifetime The returned array is allocated and freed by GLFW. You 6348 * should not free it yourself. It is guaranteed to be valid only until the 6349 * library is terminated. 6350 * 6351 * @thread_safety This function may be called from any thread. 6352 * 6353 * @sa @ref vulkan_ext 6354 * @sa @ref glfwCreateWindowSurface 6355 * 6356 * @since Added in version 3.2. 6357 * 6358 * @ingroup vulkan 6359 */ 6360 GLFWAPI const char** glfwGetRequiredInstanceExtensions(uint32_t* count); 6361 6362 #if defined(VK_VERSION_1_0) 6363 6364 /*! @brief Returns the address of the specified Vulkan instance function. 6365 * 6366 * This function returns the address of the specified Vulkan core or extension 6367 * function for the specified instance. If instance is set to `NULL` it can 6368 * return any function exported from the Vulkan loader, including at least the 6369 * following functions: 6370 * 6371 * - `vkEnumerateInstanceExtensionProperties` 6372 * - `vkEnumerateInstanceLayerProperties` 6373 * - `vkCreateInstance` 6374 * - `vkGetInstanceProcAddr` 6375 * 6376 * If Vulkan is not available on the machine, this function returns `NULL` and 6377 * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported 6378 * to check whether Vulkan is at least minimally available. 6379 * 6380 * This function is equivalent to calling `vkGetInstanceProcAddr` with 6381 * a platform-specific query of the Vulkan loader as a fallback. 6382 * 6383 * @param[in] instance The Vulkan instance to query, or `NULL` to retrieve 6384 * functions related to instance creation. 6385 * @param[in] procname The ASCII encoded name of the function. 6386 * @return The address of the function, or `NULL` if an 6387 * [error](@ref error_handling) occurred. 6388 * 6389 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref 6390 * GLFW_API_UNAVAILABLE. 6391 * 6392 * @pointer_lifetime The returned function pointer is valid until the library 6393 * is terminated. 6394 * 6395 * @thread_safety This function may be called from any thread. 6396 * 6397 * @sa @ref vulkan_proc 6398 * 6399 * @since Added in version 3.2. 6400 * 6401 * @ingroup vulkan 6402 */ 6403 GLFWAPI GLFWvkproc glfwGetInstanceProcAddress(VkInstance instance, const char* procname); 6404 6405 /*! @brief Returns whether the specified queue family can present images. 6406 * 6407 * This function returns whether the specified queue family of the specified 6408 * physical device supports presentation to the platform GLFW was built for. 6409 * 6410 * If Vulkan or the required window surface creation instance extensions are 6411 * not available on the machine, or if the specified instance was not created 6412 * with the required extensions, this function returns `GLFW_FALSE` and 6413 * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported 6414 * to check whether Vulkan is at least minimally available and @ref 6415 * glfwGetRequiredInstanceExtensions to check what instance extensions are 6416 * required. 6417 * 6418 * @param[in] instance The instance that the physical device belongs to. 6419 * @param[in] device The physical device that the queue family belongs to. 6420 * @param[in] queuefamily The index of the queue family to query. 6421 * @return `GLFW_TRUE` if the queue family supports presentation, or 6422 * `GLFW_FALSE` otherwise. 6423 * 6424 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 6425 * GLFW_API_UNAVAILABLE and @ref GLFW_PLATFORM_ERROR. 6426 * 6427 * @remark @macos This function currently always returns `GLFW_TRUE`, as the 6428 * `VK_MVK_macos_surface` and `VK_EXT_metal_surface` extensions do not provide 6429 * a `vkGetPhysicalDevice*PresentationSupport` type function. 6430 * 6431 * @thread_safety This function may be called from any thread. For 6432 * synchronization details of Vulkan objects, see the Vulkan specification. 6433 * 6434 * @sa @ref vulkan_present 6435 * 6436 * @since Added in version 3.2. 6437 * 6438 * @ingroup vulkan 6439 */ 6440 GLFWAPI int glfwGetPhysicalDevicePresentationSupport(VkInstance instance, VkPhysicalDevice device, uint32_t queuefamily); 6441 6442 /*! @brief Creates a Vulkan surface for the specified window. 6443 * 6444 * This function creates a Vulkan surface for the specified window. 6445 * 6446 * If the Vulkan loader or at least one minimally functional ICD were not found, 6447 * this function returns `VK_ERROR_INITIALIZATION_FAILED` and generates a @ref 6448 * GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported to check whether 6449 * Vulkan is at least minimally available. 6450 * 6451 * If the required window surface creation instance extensions are not 6452 * available or if the specified instance was not created with these extensions 6453 * enabled, this function returns `VK_ERROR_EXTENSION_NOT_PRESENT` and 6454 * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref 6455 * glfwGetRequiredInstanceExtensions to check what instance extensions are 6456 * required. 6457 * 6458 * The window surface cannot be shared with another API so the window must 6459 * have been created with the [client api hint](@ref GLFW_CLIENT_API_attrib) 6460 * set to `GLFW_NO_API` otherwise it generates a @ref GLFW_INVALID_VALUE error 6461 * and returns `VK_ERROR_NATIVE_WINDOW_IN_USE_KHR`. 6462 * 6463 * The window surface must be destroyed before the specified Vulkan instance. 6464 * It is the responsibility of the caller to destroy the window surface. GLFW 6465 * does not destroy it for you. Call `vkDestroySurfaceKHR` to destroy the 6466 * surface. 6467 * 6468 * @param[in] instance The Vulkan instance to create the surface in. 6469 * @param[in] window The window to create the surface for. 6470 * @param[in] allocator The allocator to use, or `NULL` to use the default 6471 * allocator. 6472 * @param[out] surface Where to store the handle of the surface. This is set 6473 * to `VK_NULL_HANDLE` if an error occurred. 6474 * @return `VK_SUCCESS` if successful, or a Vulkan error code if an 6475 * [error](@ref error_handling) occurred. 6476 * 6477 * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref 6478 * GLFW_API_UNAVAILABLE, @ref GLFW_PLATFORM_ERROR and @ref GLFW_INVALID_VALUE 6479 * 6480 * @remark If an error occurs before the creation call is made, GLFW returns 6481 * the Vulkan error code most appropriate for the error. Appropriate use of 6482 * @ref glfwVulkanSupported and @ref glfwGetRequiredInstanceExtensions should 6483 * eliminate almost all occurrences of these errors. 6484 * 6485 * @remark @macos GLFW prefers the `VK_EXT_metal_surface` extension, with the 6486 * `VK_MVK_macos_surface` extension as a fallback. The name of the selected 6487 * extension, if any, is included in the array returned by @ref 6488 * glfwGetRequiredInstanceExtensions. 6489 * 6490 * @remark @macos This function creates and sets a `CAMetalLayer` instance for 6491 * the window content view, which is required for MoltenVK to function. 6492 * 6493 * @remark @x11 By default GLFW prefers the `VK_KHR_xcb_surface` extension, 6494 * with the `VK_KHR_xlib_surface` extension as a fallback. You can make 6495 * `VK_KHR_xlib_surface` the preferred extension by setting the 6496 * [GLFW_X11_XCB_VULKAN_SURFACE](@ref GLFW_X11_XCB_VULKAN_SURFACE_hint) init 6497 * hint. The name of the selected extension, if any, is included in the array 6498 * returned by @ref glfwGetRequiredInstanceExtensions. 6499 * 6500 * @thread_safety This function may be called from any thread. For 6501 * synchronization details of Vulkan objects, see the Vulkan specification. 6502 * 6503 * @sa @ref vulkan_surface 6504 * @sa @ref glfwGetRequiredInstanceExtensions 6505 * 6506 * @since Added in version 3.2. 6507 * 6508 * @ingroup vulkan 6509 */ 6510 GLFWAPI VkResult glfwCreateWindowSurface(VkInstance instance, GLFWwindow* window, const VkAllocationCallbacks* allocator, VkSurfaceKHR* surface); 6511 6512 #endif /*VK_VERSION_1_0*/ 6513 6514 6515 /************************************************************************* 6516 * Global definition cleanup 6517 *************************************************************************/ 6518 6519 /* ------------------- BEGIN SYSTEM/COMPILER SPECIFIC -------------------- */ 6520 6521 #ifdef GLFW_WINGDIAPI_DEFINED 6522 #undef WINGDIAPI 6523 #undef GLFW_WINGDIAPI_DEFINED 6524 #endif 6525 6526 #ifdef GLFW_CALLBACK_DEFINED 6527 #undef CALLBACK 6528 #undef GLFW_CALLBACK_DEFINED 6529 #endif 6530 6531 /* Some OpenGL related headers need GLAPIENTRY, but it is unconditionally 6532 * defined by some gl.h variants (OpenBSD) so define it after if needed. 6533 */ 6534 #ifndef GLAPIENTRY 6535 #define GLAPIENTRY APIENTRY 6536 #define GLFW_GLAPIENTRY_DEFINED 6537 #endif 6538 6539 /* -------------------- END SYSTEM/COMPILER SPECIFIC --------------------- */ 6540 6541 6542 #ifdef __cplusplus 6543 } 6544 #endif 6545 6546 #endif /* _glfw3_h_ */ 6547