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Qt: Experiment with alternate widget while a game isn't running.

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This commit is contained in:
BearOso 2024-08-02 18:10:03 -05:00
parent e92b93ca9c
commit 8b1d67397e
2 changed files with 52 additions and 19 deletions
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67
qt/src/EmuMainWindow.cpp
View File

@ -22,6 +22,27 @@
static EmuSettingsWindow *g_emu_settings_window = nullptr;
class DefaultBackground
: public QWidget
{
public:
DefaultBackground(QWidget *parent)
: QWidget(parent)
{
}
void paintEvent(QPaintEvent *event) override
{
QPainter paint(this);
QLinearGradient gradient(0.0, 0.0, 0.0, event->rect().toRectF().height());
gradient.setColorAt(0.0, QColor(0, 0, 128));
gradient.setColorAt(1.0, QColor(0, 0, 0));
paint.setBrush(QBrush(gradient));
paint.drawRect(0, 0, event->rect().width(), event->rect().height());
}
};
EmuMainWindow::EmuMainWindow(EmuApplication *app)
: app(app)
{
@ -33,12 +54,11 @@ EmuMainWindow::EmuMainWindow(EmuApplication *app)
mouse_timer.setTimerType(Qt::CoarseTimer);
mouse_timer.setInterval(1000);
mouse_timer.callOnTimeout([&] {
if (cursor_visible && isActivelyDrawing())
{
if (canvas)
canvas->setCursor(QCursor(Qt::BlankCursor));
cursor_visible = false;
mouse_timer.stop();
if (cursor_visible && isActivelyDrawing()) {
if (canvas)
canvas->setCursor(QCursor(Qt::BlankCursor));
cursor_visible = false;
mouse_timer.stop();
}
});
}
@ -71,10 +91,20 @@ void EmuMainWindow::destroyCanvas()
widget->deinit();
delete widget;
}
canvas = nullptr;
}
bool EmuMainWindow::createCanvas()
{
auto fallback = [this]() -> bool {
QMessageBox::warning(
this, tr("Unable to Start Display Driver"),
tr("Unable to create a %1 context. Attempting to use qt.")
.arg(QString::fromUtf8(app->config->display_driver)));
app->config->display_driver = "qt";
return createCanvas();
};
if (app->config->display_driver != "vulkan" &&
app->config->display_driver != "opengl" &&
app->config->display_driver != "qt")
@ -94,7 +124,7 @@ bool EmuMainWindow::createCanvas()
if (!canvas->createContext())
{
delete canvas;
return false;
return fallback();
}
}
else if (app->config->display_driver == "opengl")
@ -121,7 +151,7 @@ bool EmuMainWindow::createCanvas()
if (!canvas->createContext())
{
delete canvas;
return false;
return fallback();
}
}
else if (app->config->display_driver == "opengl")
@ -141,17 +171,12 @@ bool EmuMainWindow::createCanvas()
void EmuMainWindow::recreateCanvas()
{
if (!canvas)
return;
app->suspendThread();
destroyCanvas();
if (!createCanvas())
{
QMessageBox::warning(this,
tr("Unable to Start Display Driver"),
tr("Unable to create a %1 context. Attempting to use qt.").arg(QString::fromUtf8(app->config->display_driver)));
app->config->display_driver = "qt";
createCanvas();
}
createCanvas();
app->unsuspendThread();
}
@ -362,6 +387,8 @@ void EmuMainWindow::createWidgets()
if (app->config->main_window_width != 0 && app->config->main_window_height != 0)
resize(app->config->main_window_width, app->config->main_window_height);
setCentralWidget(new DefaultBackground(this));
}
void EmuMainWindow::resizeToMultiple(int multiple)
@ -453,6 +480,12 @@ bool EmuMainWindow::openFile(std::string filename)
setCoreActionsEnabled(true);
if (!isFullScreen() && app->config->fullscreen_on_open)
toggleFullscreen();
if (!canvas)
if (!createCanvas())
return false;
QApplication::sync();
app->startGame();
mouse_timer.start();
return true;

4
qt/src/EmuMainWindow.hpp
View File

@ -39,8 +39,8 @@ class EmuMainWindow : public QMainWindow
void gameChanging();
void toggleMouseGrab();
std::vector<std::string> getDisplayDeviceList();
EmuApplication *app;
EmuCanvas *canvas;
EmuApplication *app = nullptr;
EmuCanvas *canvas = nullptr;
private:
void idle();