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Gui: [skip ci] add user parameter to disable High DPI scaling on Windows (by default off)

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wmayer
2020-12-02 13:15:01 +01:00
parent 181914b46f
commit 3d6dee2a12
1 changed files with 9 additions and 3 deletions
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12
src/Gui/Application.cpp
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@@ -1904,11 +1904,17 @@ void Application::runApplication(void)
#if QT_VERSION >= 0x050600
//Enable automatic scaling based on pixel density of display (added in Qt 5.6)
QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
#ifdef FC_OS_WIN32
SetProcessDPIAware(); // call before the main event loop
QApplication::setAttribute(Qt::AA_DisableHighDpiScaling);
#endif
ParameterGrp::handle hDPI = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/HighDPI");
bool disableDpiScaling = hDPI->GetBool("DisableDpiScaling", false);
if (disableDpiScaling) {
SetProcessDPIAware(); // call before the main event loop
QApplication::setAttribute(Qt::AA_DisableHighDpiScaling);
}
#endif
#endif // QT_VERSION >= 0x050600
#if QT_VERSION >= 0x050100
//Enable support for highres images (added in Qt 5.1, but off by default)
QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);