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Qt: Handle mouse move events properly #678

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merged 1 commit into from
Dec 9, 2024
+37 −23
Merged

Qt: Handle mouse move events properly #678

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3 changes: 3 additions & 0 deletions include/panda_qt/main_window.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -146,12 +146,15 @@ class MainWindow : public QMainWindow {
void closeEvent(QCloseEvent* event) override;
void keyPressEvent(QKeyEvent* event) override;
void keyReleaseEvent(QKeyEvent* event) override;

void mousePressEvent(QMouseEvent* event) override;
void mouseReleaseEvent(QMouseEvent* event) override;
void mouseMoveEvent(QMouseEvent* event) override;

void loadLuaScript(const std::string& code);
void reloadShader(const std::string& shader);
void editCheat(u32 handle, const std::vector<uint8_t>& cheat, const std::function<void(u32)>& callback);

void handleScreenResize(u32 width, u32 height);
void handleTouchscreenPress(QMouseEvent* event);
};
57 changes: 34 additions & 23 deletions src/panda_qt/main_window.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -487,29 +487,14 @@ void MainWindow::keyReleaseEvent(QKeyEvent* event) {

void MainWindow::mousePressEvent(QMouseEvent* event) {
if (event->button() == Qt::MouseButton::LeftButton) {
const QPointF clickPos = event->globalPosition();
const QPointF widgetPos = screen->mapFromGlobal(clickPos);

// Press is inside the screen area
if (widgetPos.x() >= 0 && widgetPos.x() < screen->width() && widgetPos.y() >= 0 && widgetPos.y() < screen->height()) {
// Go from widget positions to [0, 400) for x and [0, 480) for y
uint x = (uint)std::round(widgetPos.x() / screen->width() * 400.f);
uint y = (uint)std::round(widgetPos.y() / screen->height() * 480.f);

// Check if touch falls in the touch screen area
if (y >= 240 && y <= 480 && x >= 40 && x < 40 + 320) {
// Convert to 3DS coordinates
u16 x_converted = static_cast<u16>(x) - 40;
u16 y_converted = static_cast<u16>(y) - 240;

EmulatorMessage message{.type = MessageType::PressTouchscreen};
message.touchscreen.x = x_converted;
message.touchscreen.y = y_converted;
sendMessage(message);
} else {
sendMessage(EmulatorMessage{.type = MessageType::ReleaseTouchscreen});
}
}
// We handle actual mouse press & movement logic inside the mouseMoveEvent handler
handleTouchscreenPress(event);
}
}

void MainWindow::mouseMoveEvent(QMouseEvent* event) {
if (event->buttons().testFlag(Qt::MouseButton::LeftButton)) {
handleTouchscreenPress(event);
}
}

Expand All @@ -519,6 +504,32 @@ void MainWindow::mouseReleaseEvent(QMouseEvent* event) {
}
}

void MainWindow::handleTouchscreenPress(QMouseEvent* event) {
const QPointF clickPos = event->globalPosition();
const QPointF widgetPos = screen->mapFromGlobal(clickPos);

// Press is inside the screen area
if (widgetPos.x() >= 0 && widgetPos.x() < screen->width() && widgetPos.y() >= 0 && widgetPos.y() < screen->height()) {
// Go from widget positions to [0, 400) for x and [0, 480) for y
uint x = (uint)std::round(widgetPos.x() / screen->width() * 400.f);
uint y = (uint)std::round(widgetPos.y() / screen->height() * 480.f);

// Check if touch falls in the touch screen area
if (y >= 240 && y <= 480 && x >= 40 && x < 40 + 320) {
// Convert to 3DS coordinates
u16 x_converted = static_cast<u16>(x) - 40;
u16 y_converted = static_cast<u16>(y) - 240;

EmulatorMessage message{.type = MessageType::PressTouchscreen};
message.touchscreen.x = x_converted;
message.touchscreen.y = y_converted;
sendMessage(message);
} else {
sendMessage(EmulatorMessage{.type = MessageType::ReleaseTouchscreen});
}
}
}

void MainWindow::loadLuaScript(const std::string& code) {
EmulatorMessage message{.type = MessageType::LoadLuaScript};

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