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SliderSlider: Use SC_SliderGroove

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Fixes #1675
This commit is contained in:
Jonas Kvinge
2025-12-14 01:57:47 +01:00
parent c4a564bb56
commit 592729d00b
1 changed files with 29 additions and 15 deletions
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44
src/widgets/sliderslider.cpp
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@@ -67,22 +67,36 @@ void SliderSlider::slideEvent(QMouseEvent *e) {
QStyleOptionSlider option;
initStyleOption(&option);
QRect sliderRect(style()->subControlRect(QStyle::CC_Slider, &option, QStyle::SC_SliderHandle, this));
const QRect slider_groove = style()->subControlRect(QStyle::CC_Slider, &option, QStyle::SC_SliderGroove, this);
const QRect slider_handle = style()->subControlRect(QStyle::CC_Slider, &option, QStyle::SC_SliderHandle, this);
int pos = 0;
int span = 0;
bool upside_down = false;
if (orientation() == Qt::Horizontal) {
const int slider_length = slider_handle.width();
const int slider_min = slider_groove.x();
const int slider_max = slider_groove.right() - slider_length + 1;
if (QApplication::isRightToLeft()) {
pos = width() - (e->pos().x() - slider_length / 2);
span = width() + slider_length;
upside_down = true;
}
else {
pos = (e->pos().x() - slider_length / 2) - slider_min;
span = slider_max - slider_min;
upside_down = false;
}
}
else {
const int slider_length = slider_handle.height();
const int slider_min = slider_groove.y();
const int slider_max = slider_groove.bottom() - slider_length + 1;
pos = (e->pos().y() - slider_length / 2) - slider_min;
span = slider_max - slider_min;
upside_down = false;
}
QSlider::setValue(
orientation() == Qt::Horizontal
? ((QApplication::layoutDirection() == Qt::RightToLeft)
? QStyle::sliderValueFromPosition(
minimum(), maximum(),
width() - (e->pos().x() - sliderRect.width() / 2),
width() + sliderRect.width(), true)
: QStyle::sliderValueFromPosition(
minimum(), maximum(),
e->pos().x() - sliderRect.width() / 2,
width() - sliderRect.width()))
: QStyle::sliderValueFromPosition(
minimum(), maximum(), e->pos().y() - sliderRect.height() / 2,
height() - sliderRect.height()));
QSlider::setValue(QStyle::sliderValueFromPosition(minimum(), maximum(), pos, span, upside_down));
}