QWindows11Style: Override alternate base color in darkmode

The alternate base color in darkmode was wrongly set to the accent color instead of a lighter color. This patch overrides the alternate base color for the QWindows11Style. Fixes: QTBUG-131976 Pick-to: 6.8 Change-Id: Ie8f50b0042ca7bf746224275abc0cd255df7a4ad Reviewed-by: Oliver Wolff <[email protected]> (cherry picked from commit 79aa426) Reviewed-by: Qt Cherry-pick Bot <[email protected]>
qt · Dec 9, 2024 · 1a73708 · 1a73708
1 parent 901731a
commit 1a73708
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/src/plugins/styles/modernwindows/qwindows11style.cpp b/src/plugins/styles/modernwindows/qwindows11style.cpp
@@ -2278,6 +2278,20 @@ static void populateLightSystemBasePalette(QPalette &result)
     oldStyleSheet = qApp->styleSheet();
 }
 
+static void populateDarkSystemBasePalette(QPalette &result)
+{
+    static QString oldStyleSheet;
+    const bool styleSheetChanged = oldStyleSheet != qApp->styleSheet();
+
+    const QColor alternateBase = QColor(0xFF,0xFF,0xFF,0x0F);
+
+    SET_IF_UNRESOLVED(QPalette::Active, QPalette::AlternateBase, alternateBase);
+
+    SET_IF_UNRESOLVED(QPalette::Inactive, QPalette::AlternateBase, alternateBase);
+
+    oldStyleSheet = qApp->styleSheet();
+}
+
 /*!
  \internal
  */
@@ -2288,6 +2302,8 @@ void QWindows11Style::polish(QPalette& result)
 
     if (!highContrastTheme && colorSchemeIndex == 0)
         populateLightSystemBasePalette(result);
+    else if (!highContrastTheme && colorSchemeIndex == 1)
+        populateDarkSystemBasePalette(result);
 
     const bool styleSheetChanged = false; // so the macro works