diff options
| -rw-r--r-- | src/plugins/styles/mac/qmacstyle_mac.mm | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/plugins/styles/mac/qmacstyle_mac.mm b/src/plugins/styles/mac/qmacstyle_mac.mm index f2919ec1b5..ed89ccb528 100644 --- a/src/plugins/styles/mac/qmacstyle_mac.mm +++ b/src/plugins/styles/mac/qmacstyle_mac.mm @@ -467,7 +467,11 @@ static bool setupSlider(NSSlider *slider, const QStyleOptionSlider *sl) if (sl->minimum >= sl->maximum) return false; - slider.frame = sl->rect.toCGRect(); + // NSSlider seems to cache values based on tracking and the last layout of the + // NSView, resulting in incorrect knob rects that break the interaction with + // multiple sliders. So completely reinitialize the slider. + [slider initWithFrame:sl->rect.toCGRect()]; + slider.minValue = sl->minimum; slider.maxValue = sl->maximum; slider.intValue = sl->sliderPosition; @@ -497,6 +501,14 @@ static bool setupSlider(NSSlider *slider, const QStyleOptionSlider *sl) // the cell for its metrics and to draw itself. [slider layoutSubtreeIfNeeded]; + if (sl->state & QStyle::State_Sunken) { + const CGRect knobRect = [slider.cell knobRectFlipped:slider.isFlipped]; + CGPoint pressPoint; + pressPoint.x = CGRectGetMidX(knobRect); + pressPoint.y = CGRectGetMidY(knobRect); + [slider.cell startTrackingAt:pressPoint inView:slider]; + } + return true; } |