1 files changed, 90 insertions, 0 deletions

diff --git a/qt-widgets/solvercfgwidget.cpp b/qt-widgets/solvercfgwidget.cpp
new file mode 100644
index 0000000..8027fe5
--- /dev/null
+++ b/qt-widgets/solvercfgwidget.cpp
@@ -0,0 +1,90 @@
+#include "solvercfgwidget.h"
+#include "./ui_solvercfgwidget.h"
+
+enum class ScrambleState { empty, valid, invalid };
+
+ScrambleState getScrambleState(const std::string&);
+
+SolverCfgWidget::SolverCfgWidget(QWidget *parent)
+        : QWidget(parent), ui(new Ui::SolverCfgWidget)
+{
+        ui->setupUi(this);
+        onScrambleChanged(ui->scrambleEditor->text());
+
+        nmovesValidator = new QIntValidator(0, 20, this);
+        ui->minMovesEditor->setValidator(nmovesValidator);
+        ui->maxMovesEditor->setValidator(nmovesValidator);
+
+        QObject::connect(ui->scrambleEditor,
+            SIGNAL(textChanged(const QString&)), this,
+            SLOT(onScrambleChanged(const QString&)));
+        QObject::connect(ui->scrambleEditor, SIGNAL(returnPressed()),
+            this, SLOT(onScrambleSubmitted()));
+        QObject::connect(ui->solveButton, SIGNAL(clicked()),
+            this, SLOT(onScrambleSubmitted()));
+}
+
+SolverCfgWidget::~SolverCfgWidget()
+{
+        delete nmovesValidator;
+        delete ui;
+}
+
+void SolverCfgWidget::lockSubmit()
+{
+        submitLocked = true;
+        onScrambleChanged(ui->scrambleEditor->text());
+}
+
+void SolverCfgWidget::unlockSubmit()
+{
+        submitLocked = false;
+        onScrambleChanged(ui->scrambleEditor->text());
+}
+
+void SolverCfgWidget::onScrambleChanged(const QString& text)
+{
+        auto scrambleState = getScrambleState(text.toStdString());
+        switch (scrambleState) {
+        case ScrambleState::empty:
+                ui->solveButton->setEnabled(false);
+                ui->scrambleEditor->setStyleSheet("");
+                break;
+        case ScrambleState::valid:
+                ui->solveButton->setEnabled(!submitLocked);
+                ui->scrambleEditor->setStyleSheet("");
+                break;
+        case ScrambleState::invalid:
+                ui->solveButton->setEnabled(false);
+                ui->scrambleEditor->setStyleSheet("border : 2px solid red");
+                break;
+        }
+}
+
+void SolverCfgWidget::onScrambleSubmitted()
+{
+        std::string scramble = ui->scrambleEditor->text().toStdString();
+        auto state = getScrambleState(scramble);
+        if (state != ScrambleState::valid)
+                return;
+
+        SolverConfiguration sc {
+                .cube = std::get<nissy::cube_t>(nissy::applymoves(
+                    nissy::cube::SOLVED, nissy::moves_t{scramble})),
+                .minmoves = ui->minMovesEditor->text().toUInt(),
+                .maxmoves = ui->maxMovesEditor->text().toUInt(),
+        };
+        emit solveRequest(sc);
+}
+
+ScrambleState getScrambleState(const std::string& s)
+{
+        if (std::all_of(s.begin(), s.end(),
+           [](std::string::value_type c){ return std::isspace(c); }))
+                return ScrambleState::empty;
+
+        auto c = nissy::applymoves(nissy::cube::SOLVED, nissy::moves_t{s});
+        return std::holds_alternative<nissy::error_t>(c) ?
+            ScrambleState::invalid : ScrambleState::valid;
+}
+