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Windows: only consider actual palette when selecting frame appearance 

Even if dark mode has been requested by the application explicitly,
a style, like the Vista style, might polish the palette to be light.
In that case, the frame should be light as well.

Amends 95d4e6baba.

Task-number: QTBUG-124490
Change-Id: I7ddb0a80a5f043e98cf184537bffe75e917c3d38
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
bb10
Volker Hilsheimer 2024-05-21 16:37:42 +02:00
parent 816071d440
commit 709e9d90ab
2 changed files with 0 additions and 7 deletions
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1
src/plugins/platforms/windows/qwindowstheme.h
View File

@ -33,7 +33,6 @@ public:
Qt::ColorScheme colorScheme() const override;
void requestColorScheme(Qt::ColorScheme scheme) override;
Qt::ColorScheme requestedColorScheme() const { return s_colorSchemeOverride; }
static void handleSettingsChanged();

6
src/plugins/platforms/windows/qwindowswindow.cpp
View File

@ -855,12 +855,6 @@ static inline bool shouldApplyDarkFrame(const QWindow *w)
if (!QWindowsIntegration::instance()->darkModeHandling().testFlag(QWindowsApplication::DarkModeWindowFrames))
return false;
// the application explicitly overrides the color scheme
if (const auto requestedColorScheme = QWindowsTheme::instance()->requestedColorScheme();
requestedColorScheme != Qt::ColorScheme::Unknown) {
return requestedColorScheme == Qt::ColorScheme::Dark;
}
// if the application supports a dark border, and the palette is dark (window background color
// is darker than the text), then turn dark-border support on, otherwise use a light border.
auto *dWindow = QWindowPrivate::get(const_cast<QWindow*>(w));