Support for high DPI screens

src/blackgui/guiapplication.cpp

@@ -152,6 +152,11 @@ namespace BlackGui
         CApplication::exit(retcode);
     }
 
+    void CGuiApplication::highDpiScreenSupport()
+    {
+        qputenv("QT_AUTO_SCREEN_SCALE_FACTOR", "1");
+    }
+
     void CGuiApplication::ps_startupCompleted()
     {
         CApplication::ps_startupCompleted();

src/blackgui/guiapplication.h

@@ -136,6 +136,10 @@ namespace BlackGui
         //! Exit application, perform graceful shutdown and exit
         static void exit(int retcode = 0);
 
+        //! Support for high DPI screens
+        //! \note Needs to be at the beginning of main
+        static void highDpiScreenSupport();
+
     signals:
         //! Style sheet changed
         void styleSheetsChanged();

src/swiftcore/main.cpp

@@ -27,6 +27,7 @@ using namespace BlackGui;
 int main(int argc, char *argv[])
 {
     //! [CSwiftGuiStdApplication]
+    CGuiApplication::highDpiScreenSupport();
     QApplication qa(argc, argv);
     CGuiApplication a("swift core", CIcons::swiftNova24());
     a.addWindowStateOption();

src/swiftdata/main.cpp

@@ -27,6 +27,7 @@ using namespace BlackGui;
 
 int main(int argc, char *argv[])
 {
+    CGuiApplication::highDpiScreenSupport();
     QApplication qa(argc, argv);
     Q_UNUSED(qa);
     CGuiApplication a("swift mapping tool", CIcons::swiftDatabase48());

src/swiftlauncher/main.cpp

@@ -28,6 +28,7 @@ using namespace BlackCore;
 int main(int argc, char *argv[])
 {
     //! [CSwiftGuiStdApplication]
+    CGuiApplication::highDpiScreenSupport();
     QApplication qa(argc, argv);
     CGuiApplication a("swift launcher", CIcons::swift1024());
     a.addParserOption({{"i", "installer"}, QCoreApplication::translate("main", "Installer setup."), "installer"});