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Qt: Handle mouse move events properly (#678)

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wheremyfoodat 2024-12-10 00:54:06 +02:00 • committed by GitHub
parent 79d24cba11
commit 4ce0768ba1
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2 changed files with 36 additions and 22 deletions
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3
include/panda_qt/main_window.hpp
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@ -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);
};

55
src/panda_qt/main_window.cpp
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@ -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);
// We handle actual mouse press & movement logic inside the mouseMoveEvent handler
handleTouchscreenPress(event);
}
}
// 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::mouseMoveEvent(QMouseEvent* event) {
if (event->buttons().testFlag(Qt::MouseButton::LeftButton)) {
handleTouchscreenPress(event);
}
}
@ -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};