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Merge pull request #4949 from Morph1984/hidpi-temp-fix

main: Enable High DPI fixes for Qt >= 5.14
This commit is contained in:
liamwhite 2023-02-06 23:20:49 -05:00 committed by GitHub
commit 1f3e8d633a
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3 changed files with 65 additions and 8 deletions

View File

@ -575,7 +575,7 @@ void QtSoftwareKeyboardDialog::MoveAndResizeWindow(QPoint pos, QSize size) {
QDialog::resize(size); QDialog::resize(size);
// High DPI // High DPI
const float dpi_scale = qApp->screenAt(pos)->logicalDotsPerInch() / 96.0f; const float dpi_scale = screen()->logicalDotsPerInch() / 96.0f;
RescaleKeyboardElements(size.width(), size.height(), dpi_scale); RescaleKeyboardElements(size.width(), size.height(), dpi_scale);
} }

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@ -680,8 +680,10 @@ void GMainWindow::SoftwareKeyboardShowNormal() {
const auto y = layout.screen.top; const auto y = layout.screen.top;
const auto w = layout.screen.GetWidth(); const auto w = layout.screen.GetWidth();
const auto h = layout.screen.GetHeight(); const auto h = layout.screen.GetHeight();
const auto scale_ratio = devicePixelRatioF();
software_keyboard->ShowNormalKeyboard(render_window->mapToGlobal(QPoint(x, y)), QSize(w, h)); software_keyboard->ShowNormalKeyboard(render_window->mapToGlobal(QPoint(x, y) / scale_ratio),
QSize(w, h) / scale_ratio);
} }
void GMainWindow::SoftwareKeyboardShowTextCheck( void GMainWindow::SoftwareKeyboardShowTextCheck(
@ -714,9 +716,11 @@ void GMainWindow::SoftwareKeyboardShowInline(
(1.0f - appear_parameters.key_top_scale_y)))); (1.0f - appear_parameters.key_top_scale_y))));
const auto w = static_cast<int>(layout.screen.GetWidth() * appear_parameters.key_top_scale_x); const auto w = static_cast<int>(layout.screen.GetWidth() * appear_parameters.key_top_scale_x);
const auto h = static_cast<int>(layout.screen.GetHeight() * appear_parameters.key_top_scale_y); const auto h = static_cast<int>(layout.screen.GetHeight() * appear_parameters.key_top_scale_y);
const auto scale_ratio = devicePixelRatioF();
software_keyboard->ShowInlineKeyboard(std::move(appear_parameters), software_keyboard->ShowInlineKeyboard(std::move(appear_parameters),
render_window->mapToGlobal(QPoint(x, y)), QSize(w, h)); render_window->mapToGlobal(QPoint(x, y) / scale_ratio),
QSize(w, h) / scale_ratio);
} }
void GMainWindow::SoftwareKeyboardHideInline() { void GMainWindow::SoftwareKeyboardHideInline() {
@ -796,10 +800,11 @@ void GMainWindow::WebBrowserOpenWebPage(const std::string& main_url,
} }
const auto& layout = render_window->GetFramebufferLayout(); const auto& layout = render_window->GetFramebufferLayout();
web_browser_view.resize(layout.screen.GetWidth(), layout.screen.GetHeight()); const auto scale_ratio = devicePixelRatioF();
web_browser_view.move(layout.screen.left, layout.screen.top + menuBar()->height()); web_browser_view.resize(layout.screen.GetWidth() / scale_ratio,
web_browser_view.setZoomFactor(static_cast<qreal>(layout.screen.GetWidth()) / layout.screen.GetHeight() / scale_ratio);
static_cast<qreal>(Layout::ScreenUndocked::Width)); web_browser_view.move(layout.screen.left / scale_ratio,
(layout.screen.top / scale_ratio) + menuBar()->height());
web_browser_view.setFocus(); web_browser_view.setFocus();
web_browser_view.show(); web_browser_view.show();
@ -4448,6 +4453,55 @@ void GMainWindow::changeEvent(QEvent* event) {
#undef main #undef main
#endif #endif
static void SetHighDPIAttributes() {
#ifdef _WIN32
// For Windows, we want to avoid scaling artifacts on fractional scaling ratios.
// This is done by setting the optimal scaling policy for the primary screen.
// 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));
if (max_ratio > real_ratio) {
QApplication::setHighDpiScaleFactorRoundingPolicy(
Qt::HighDpiScaleFactorRoundingPolicy::Round);
} else {
QApplication::setHighDpiScaleFactorRoundingPolicy(
Qt::HighDpiScaleFactorRoundingPolicy::Floor);
}
#else
// Other OSes should be better than Windows at fractional scaling.
QApplication::setHighDpiScaleFactorRoundingPolicy(
Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
#endif
QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
}
int main(int argc, char* argv[]) { int main(int argc, char* argv[]) {
std::unique_ptr<Config> config = std::make_unique<Config>(); std::unique_ptr<Config> config = std::make_unique<Config>();
bool has_broken_vulkan = false; bool has_broken_vulkan = false;
@ -4503,6 +4557,8 @@ int main(int argc, char* argv[]) {
} }
#endif #endif
SetHighDPIAttributes();
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0) #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
// Disables the "?" button on all dialogs. Disabled by default on Qt6. // Disables the "?" button on all dialogs. Disabled by default on Qt6.
QCoreApplication::setAttribute(Qt::AA_DisableWindowContextHelpButton); QCoreApplication::setAttribute(Qt::AA_DisableWindowContextHelpButton);
@ -4510,6 +4566,7 @@ int main(int argc, char* argv[]) {
// Enables the core to make the qt created contexts current on std::threads // Enables the core to make the qt created contexts current on std::threads
QCoreApplication::setAttribute(Qt::AA_DontCheckOpenGLContextThreadAffinity); QCoreApplication::setAttribute(Qt::AA_DontCheckOpenGLContextThreadAffinity);
QApplication app(argc, argv); QApplication app(argc, argv);
#ifdef _WIN32 #ifdef _WIN32

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@ -163,7 +163,7 @@ void OverlayDialog::MoveAndResizeWindow() {
const auto height = static_cast<float>(parentWidget()->height()); const auto height = static_cast<float>(parentWidget()->height());
// High DPI // High DPI
const float dpi_scale = parentWidget()->windowHandle()->screen()->logicalDotsPerInch() / 96.0f; const float dpi_scale = screen()->logicalDotsPerInch() / 96.0f;
const auto title_text_font_size = BASE_TITLE_FONT_SIZE * (height / BASE_HEIGHT) / dpi_scale; const auto title_text_font_size = BASE_TITLE_FONT_SIZE * (height / BASE_HEIGHT) / dpi_scale;
const auto body_text_font_size = const auto body_text_font_size =