Override some Material 3 colors to improve contrast

app/backend/systemproperties.cpp

@@ -2,6 +2,7 @@
 #include "utils.h"
 
 #include <QGuiApplication>
+#include <QLibraryInfo>
 
 #include "streaming/session.h"
 #include "streaming/streamutils.h"
@@ -17,6 +18,7 @@ SystemProperties::SystemProperties()
     hasDesktopEnvironment = WMUtils::isRunningDesktopEnvironment();
     isRunningWayland = WMUtils::isRunningWayland();
     isRunningXWayland = isRunningWayland && QGuiApplication::platformName() == "xcb";
+    usesMaterial3Theme = QLibraryInfo::version() >= QVersionNumber(6, 5, 0);
     QString nativeArch = QSysInfo::currentCpuArchitecture();
 
 #ifdef Q_OS_WIN32

app/backend/systemproperties.h

@@ -26,6 +26,7 @@ public:
     Q_PROPERTY(QSize maximumResolution MEMBER maximumResolution CONSTANT)
     Q_PROPERTY(QString versionString MEMBER versionString CONSTANT)
     Q_PROPERTY(bool supportsHdr MEMBER supportsHdr CONSTANT)
+    Q_PROPERTY(bool usesMaterial3Theme MEMBER usesMaterial3Theme CONSTANT)
 
     Q_INVOKABLE void refreshDisplays();
     Q_INVOKABLE QRect getNativeResolution(int displayIndex);
@@ -54,5 +55,6 @@ private:
     QList<int> monitorRefreshRates;
     QString versionString;
     bool supportsHdr;
+    bool usesMaterial3Theme;
 };