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fusion: Improve visibility of Checkbox in dark mode

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Fixes: QTBUG-136960
Pick-to: 6.8 6.9 6.10
Change-Id: I606fd034ba83011624ff9a38a8c973659c241c26
Reviewed-by: Matthias Rauter <matthias.rauter@qt.io>
This commit is contained in:
Piotr Wiercinski 2025-05-30 13:22:39 +02:00 committed by Piotr Wierciński
parent 9b9511c354
commit 5618710d63
3 changed files with 17 additions and 2 deletions
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8
src/widgets/styles/qfusionstyle.cpp
View File

@ -591,7 +591,8 @@ void QFusionStyle::drawPrimitive(PrimitiveElement elem,
if (option->state & State_HasFocus && option->state & State_KeyboardFocusChange)
painter->setPen(highlightedOutline);
else
painter->setPen(outline.lighter(110));
painter->setPen(colorScheme() == Qt::ColorScheme::Dark ? outline.lighter(150)
: outline.lighter(110));
painter->drawRect(rect);
QColor checkMarkColor = option->palette.text().color().darker(120);
@ -3558,6 +3559,11 @@ bool QFusionStyle::isHighContrast() const
== Qt::ContrastPreference::HighContrast;
}
Qt::ColorScheme QFusionStyle::colorScheme() const
{
return QGuiApplicationPrivate::platformTheme()->colorScheme();
}
QT_END_NAMESPACE
#include "moc_qfusionstyle_p.cpp"

1
src/widgets/styles/qfusionstyle_p.h
View File

@ -75,6 +75,7 @@ protected:
private:
bool isHighContrast() const;
Qt::ColorScheme colorScheme() const;
};
#endif // style_fusion

10
src/widgets/styles/qfusionstyle_p_p.h
View File

@ -70,7 +70,10 @@ public:
}
if (pal.window().style() == Qt::TexturePattern)
return QColor(0, 0, 0, 160);
return pal.window().color().darker(140);
if (colorScheme() == Qt::ColorScheme::Dark)
return pal.window().color().lighter(140);
else
return pal.window().color().darker(140);
}
QColor highlightedOutline(const QPalette &pal) const {
@ -102,6 +105,11 @@ public:
};
private:
Qt::ColorScheme colorScheme() const
{
return QGuiApplicationPrivate::platformTheme()->colorScheme();
}
bool isHighContrast() const
{
return QGuiApplicationPrivate::platformTheme()->contrastPreference()