updated changes, and add conditionals for supporting older qt versions

CHANGES.md

@@ -1,5 +1,6 @@
 # Changes
 
+- (2024-04-23) Support for dark/light colorSchema mode, (contribution by @hanjianqiao(Lanchitour))
 - (2023-12-07) Update to 6.5.1, Sharp Thin Pro font
 - (2023-08-16) Update to 6.4.2, Fix issue missing pro icons in namedCodePoints
 - (2023-03-28) Update to 6.4.0, Sharp Light Pro font

QtAwesome/QtAwesome.cpp

@@ -3,7 +3,7 @@
  *
  * MIT Licensed
  *
- * Copyright 2013-2022 - Reliable Bits Software by Blommers IT. All Rights Reserved.
+ * Copyright 2013-2024 - Reliable Bits Software by Blommers IT. All Rights Reserved.
  * Author Rick Blommers
  */
 
@@ -17,9 +17,13 @@
 #include <QFontDatabase>
 #include <QFontMetrics>
 #include <QString>
-#include <QStyleHints>
 
 
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 5, 0))
+#define USE_COLOR_SCHEME
+#include <QStyleHints>
+#endif
+
 // Initializing namespaces need to happen outside a namespace
 static void qtawesome_init_resources()
 {
@@ -247,10 +251,12 @@ QtAwesome::QtAwesome(QObject* parent)
     _fontDetails.insert(fa::fa_sharp_thin, QtAwesomeFontData(FA_SHARP_THIN_FONT_FILENAME, FA_SHARP_THIN_FONT_WEIGHT));
 #endif
 
-    // support dark/light mode
+#ifdef USE_COLOR_SCHEME
+   // support dark/light mode
     QObject::connect(QApplication::styleHints(), &QStyleHints::colorSchemeChanged, this, [this](Qt::ColorScheme colorScheme){
         resetDefaultOptions();
     });
+#endif
 }
 
 void QtAwesome::resetDefaultOptions(){

QtAwesome/QtAwesome.h

@@ -3,7 +3,7 @@
  *
  * MIT Licensed
  *
- * Copyright 2013-2022 - Reliable Bits Software by Blommers IT. All Rights Reserved.
+ * Copyright 2013-2024 - Reliable Bits Software by Blommers IT. All Rights Reserved.
  * Author Rick Blommers
  */