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Merge pull request #4949 from Morph1984/hidpi-temp-fix
main: Enable High DPI fixes for Qt >= 5.14
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commit
1f3e8d633a
@ -575,7 +575,7 @@ void QtSoftwareKeyboardDialog::MoveAndResizeWindow(QPoint pos, QSize size) {
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QDialog::resize(size);
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// High DPI
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const float dpi_scale = qApp->screenAt(pos)->logicalDotsPerInch() / 96.0f;
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const float dpi_scale = screen()->logicalDotsPerInch() / 96.0f;
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RescaleKeyboardElements(size.width(), size.height(), dpi_scale);
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}
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@ -680,8 +680,10 @@ void GMainWindow::SoftwareKeyboardShowNormal() {
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const auto y = layout.screen.top;
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const auto w = layout.screen.GetWidth();
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const auto h = layout.screen.GetHeight();
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const auto scale_ratio = devicePixelRatioF();
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software_keyboard->ShowNormalKeyboard(render_window->mapToGlobal(QPoint(x, y)), QSize(w, h));
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software_keyboard->ShowNormalKeyboard(render_window->mapToGlobal(QPoint(x, y) / scale_ratio),
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QSize(w, h) / scale_ratio);
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}
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void GMainWindow::SoftwareKeyboardShowTextCheck(
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@ -714,9 +716,11 @@ void GMainWindow::SoftwareKeyboardShowInline(
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(1.0f - appear_parameters.key_top_scale_y))));
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const auto w = static_cast<int>(layout.screen.GetWidth() * appear_parameters.key_top_scale_x);
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const auto h = static_cast<int>(layout.screen.GetHeight() * appear_parameters.key_top_scale_y);
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const auto scale_ratio = devicePixelRatioF();
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software_keyboard->ShowInlineKeyboard(std::move(appear_parameters),
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render_window->mapToGlobal(QPoint(x, y)), QSize(w, h));
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render_window->mapToGlobal(QPoint(x, y) / scale_ratio),
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QSize(w, h) / scale_ratio);
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}
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void GMainWindow::SoftwareKeyboardHideInline() {
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@ -796,10 +800,11 @@ void GMainWindow::WebBrowserOpenWebPage(const std::string& main_url,
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}
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const auto& layout = render_window->GetFramebufferLayout();
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web_browser_view.resize(layout.screen.GetWidth(), layout.screen.GetHeight());
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web_browser_view.move(layout.screen.left, layout.screen.top + menuBar()->height());
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web_browser_view.setZoomFactor(static_cast<qreal>(layout.screen.GetWidth()) /
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static_cast<qreal>(Layout::ScreenUndocked::Width));
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const auto scale_ratio = devicePixelRatioF();
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web_browser_view.resize(layout.screen.GetWidth() / scale_ratio,
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layout.screen.GetHeight() / scale_ratio);
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web_browser_view.move(layout.screen.left / scale_ratio,
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(layout.screen.top / scale_ratio) + menuBar()->height());
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web_browser_view.setFocus();
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web_browser_view.show();
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@ -4448,6 +4453,55 @@ void GMainWindow::changeEvent(QEvent* event) {
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#undef main
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#endif
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static void SetHighDPIAttributes() {
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#ifdef _WIN32
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// For Windows, we want to avoid scaling artifacts on fractional scaling ratios.
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// This is done by setting the optimal scaling policy for the primary screen.
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// Create a temporary QApplication.
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int temp_argc = 0;
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char** temp_argv = nullptr;
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QApplication temp{temp_argc, temp_argv};
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// Get the current screen geometry.
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const QScreen* primary_screen = QGuiApplication::primaryScreen();
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if (primary_screen == nullptr) {
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return;
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}
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const QRect screen_rect = primary_screen->geometry();
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const int real_width = screen_rect.width();
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const int real_height = screen_rect.height();
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const float real_ratio = primary_screen->logicalDotsPerInch() / 96.0f;
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// Recommended minimum width and height for proper window fit.
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// Any screen with a lower resolution than this will still have a scale of 1.
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constexpr float minimum_width = 1350.0f;
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constexpr float minimum_height = 900.0f;
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const float width_ratio = std::max(1.0f, real_width / minimum_width);
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const float height_ratio = std::max(1.0f, real_height / minimum_height);
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// Get the lower of the 2 ratios and truncate, this is the maximum integer scale.
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const float max_ratio = std::trunc(std::min(width_ratio, height_ratio));
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if (max_ratio > real_ratio) {
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QApplication::setHighDpiScaleFactorRoundingPolicy(
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Qt::HighDpiScaleFactorRoundingPolicy::Round);
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} else {
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QApplication::setHighDpiScaleFactorRoundingPolicy(
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Qt::HighDpiScaleFactorRoundingPolicy::Floor);
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}
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#else
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// Other OSes should be better than Windows at fractional scaling.
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QApplication::setHighDpiScaleFactorRoundingPolicy(
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Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
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#endif
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QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
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QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
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}
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int main(int argc, char* argv[]) {
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std::unique_ptr<Config> config = std::make_unique<Config>();
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bool has_broken_vulkan = false;
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@ -4503,6 +4557,8 @@ int main(int argc, char* argv[]) {
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}
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#endif
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SetHighDPIAttributes();
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#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
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// Disables the "?" button on all dialogs. Disabled by default on Qt6.
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QCoreApplication::setAttribute(Qt::AA_DisableWindowContextHelpButton);
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@ -4510,6 +4566,7 @@ int main(int argc, char* argv[]) {
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// Enables the core to make the qt created contexts current on std::threads
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QCoreApplication::setAttribute(Qt::AA_DontCheckOpenGLContextThreadAffinity);
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QApplication app(argc, argv);
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#ifdef _WIN32
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@ -163,7 +163,7 @@ void OverlayDialog::MoveAndResizeWindow() {
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const auto height = static_cast<float>(parentWidget()->height());
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// High DPI
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const float dpi_scale = parentWidget()->windowHandle()->screen()->logicalDotsPerInch() / 96.0f;
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const float dpi_scale = screen()->logicalDotsPerInch() / 96.0f;
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const auto title_text_font_size = BASE_TITLE_FONT_SIZE * (height / BASE_HEIGHT) / dpi_scale;
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const auto body_text_font_size =
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