Qt: Simplify display sizing

src/platform/qt/Display.cpp

@@ -8,12 +8,6 @@
 #include "DisplayGL.h"
 #include "DisplayQt.h"
 
-#ifdef M_CORE_GB
-#include <mgba/internal/gb/video.h>
-#elif defined(M_CORE_GBA)
-#include <mgba/internal/gba/video.h>
-#endif
-
 using namespace QGBA;
 
 #if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(USE_EPOXY)
@@ -55,11 +49,6 @@ Display::Display(QWidget* parent)
 	: QWidget(parent)
 {
 	setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
-#ifdef M_CORE_GB
-	setMinimumSize(GB_VIDEO_HORIZONTAL_PIXELS, GB_VIDEO_VERTICAL_PIXELS);
-#elif defined(M_CORE_GBA)
-	setMinimumSize(VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
-#endif
 	connect(&m_mouseTimer, &QTimer::timeout, this, &Display::hideCursor);
 	m_mouseTimer.setSingleShot(true);
 	m_mouseTimer.setInterval(MOUSE_DISAPPEAR_TIMER);

src/platform/qt/Window.cpp

@@ -668,15 +668,14 @@ void Window::gameStarted() {
 	multiplayerChanged();
 	updateTitle();
 	QSize size = m_controller->screenDimensions();
-	m_display->setMinimumSize(size);
-	m_screenWidget->setMinimumSize(m_display->minimumSize());
 	m_screenWidget->setDimensions(size.width(), size.height());
 	m_config->updateOption("lockIntegerScaling");
 	m_config->updateOption("lockAspectRatio");
 	if (m_savedScale > 0) {
 		resizeFrame(size * m_savedScale);
 	}
 	attachWidget(m_display.get());
+	m_display->setMinimumSize(size);
 
 #ifndef Q_OS_MAC
 	if (isFullScreen()) {
@@ -751,7 +750,6 @@ void Window::gameStopped() {
 #elif defined(M_CORE_GBA)
 	m_display->setMinimumSize(VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
 #endif
-	m_screenWidget->setMinimumSize(m_display->minimumSize());
 
 	m_videoLayers->clear();
 	m_audioChannels->clear();
@@ -803,8 +801,7 @@ void Window::reloadDisplayDriver() {
 	m_shaderView.reset();
 	m_shaderView = std::make_unique<ShaderSelector>(m_display.get(), m_config);
 #endif
-	m_screenWidget->setMinimumSize(m_display->minimumSize());
-	m_screenWidget->setSizePolicy(m_display->sizePolicy());
+
 	connect(this, &Window::shutdown, m_display.get(), &Display::stopDrawing);
 	connect(m_display.get(), &Display::hideCursor, [this]() {
 		if (static_cast<QStackedLayout*>(m_screenWidget->layout())->currentWidget() == m_display.get()) {
@@ -830,6 +827,7 @@ void Window::reloadDisplayDriver() {
 #endif
 
 	if (m_controller) {
+		m_display->setMinimumSize(m_controller->screenDimensions());
 		connect(m_controller.get(), &CoreController::stopping, m_display.get(), &Display::stopDrawing);
 		connect(m_controller.get(), &CoreController::stateLoaded, m_display.get(), &Display::forceDraw);
 		connect(m_controller.get(), &CoreController::rewound, m_display.get(), &Display::forceDraw);
@@ -840,6 +838,12 @@ void Window::reloadDisplayDriver() {
 
 		attachWidget(m_display.get());
 		m_display->startDrawing(m_controller);
+	} else {
+#ifdef M_CORE_GB
+		m_display->setMinimumSize(GB_VIDEO_HORIZONTAL_PIXELS, GB_VIDEO_VERTICAL_PIXELS);
+#elif defined(M_CORE_GBA)
+		m_display->setMinimumSize(VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
+#endif
 	}
 }