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authorMorph <39850852+Morph1984@users.noreply.github.com>2023-01-26 03:16:04 +0100
committerMorph <39850852+Morph1984@users.noreply.github.com>2023-01-26 03:16:04 +0100
commit6a1b089a501aca93cd275d853ef8f34a62b904c5 (patch)
tree2f8039744199b8fe17e54fbd6535aa5b66c484ab /src
parentMerge pull request #9681 from Morph1984/nice-one-qt6 (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/yuzu/main.cpp43
1 files changed, 43 insertions, 0 deletions
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index 62aaf41bf..82e4adfe0 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -4400,6 +4400,46 @@ void GMainWindow::changeEvent(QEvent* event) {
#undef main
#endif
+static void SetHighDPIAttributes() {
+ // Create a temporary QApplication.
+ int temp_argc = 0;
+ char** temp_argv = nullptr;
+ QApplication temp{temp_argc, temp_argv};
+
+ // Get the current screen geometry.
+ const QScreen* primary_screen = QGuiApplication::primaryScreen();
+ if (primary_screen == nullptr) {
+ return;
+ }
+
+ const QRect screen_rect = primary_screen->geometry();
+ const int real_width = screen_rect.width();
+ const int real_height = screen_rect.height();
+ const float real_ratio = primary_screen->logicalDotsPerInch() / 96.0f;
+
+ // Recommended minimum width and height for proper window fit.
+ // Any screen with a lower resolution than this will still have a scale of 1.
+ constexpr float minimum_width = 1350.0f;
+ constexpr float minimum_height = 900.0f;
+
+ const float width_ratio = std::max(1.0f, real_width / minimum_width);
+ const float height_ratio = std::max(1.0f, real_height / minimum_height);
+
+ // Get the lower of the 2 ratios and truncate, this is the maximum integer scale.
+ const float max_ratio = std::trunc(std::min(width_ratio, height_ratio));
+
+ QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+ QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+
+ if (max_ratio > real_ratio) {
+ QApplication::setHighDpiScaleFactorRoundingPolicy(
+ Qt::HighDpiScaleFactorRoundingPolicy::Round);
+ } else {
+ QApplication::setHighDpiScaleFactorRoundingPolicy(
+ Qt::HighDpiScaleFactorRoundingPolicy::Floor);
+ }
+}
+
int main(int argc, char* argv[]) {
std::unique_ptr<Config> config = std::make_unique<Config>();
bool has_broken_vulkan = false;
@@ -4455,6 +4495,8 @@ int main(int argc, char* argv[]) {
}
#endif
+ SetHighDPIAttributes();
+
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
// Disables the "?" button on all dialogs. Disabled by default on Qt6.
QCoreApplication::setAttribute(Qt::AA_DisableWindowContextHelpButton);
@@ -4462,6 +4504,7 @@ int main(int argc, char* argv[]) {
// Enables the core to make the qt created contexts current on std::threads
QCoreApplication::setAttribute(Qt::AA_DontCheckOpenGLContextThreadAffinity);
+
QApplication app(argc, argv);
#ifdef _WIN32