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Code Issues Activity Actions

GSlider: Highlight the knob when hovering it. :^)

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This commit is contained in:
Andreas Kling 2019-04-30 00:47:46 +02:00
parent 55d7d4e3d8
commit 87c256a7d5
2 changed files with 20 additions and 1 deletions
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17
LibGUI/GSlider.cpp
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@ -50,7 +50,7 @@ void GSlider::paint_event(GPaintEvent& event)
track_rect.center_vertically_within(inner_rect());
StylePainter::paint_frame(painter, track_rect, FrameShape::Panel, FrameShadow::Sunken, 1);
StylePainter::paint_button(painter, knob_rect(), ButtonStyle::Normal, false, false);
StylePainter::paint_button(painter, knob_rect(), ButtonStyle::Normal, false, m_knob_hovered);
}
Rect GSlider::knob_rect() const
@ -84,6 +84,7 @@ void GSlider::mousedown_event(GMouseEvent& event)
void GSlider::mousemove_event(GMouseEvent& event)
{
set_knob_hovered(knob_rect().contains(event.position()));
if (m_dragging) {
float delta = event.position().x() - m_drag_origin.x();
float scrubbable_range = inner_rect().width();
@ -104,3 +105,17 @@ void GSlider::mouseup_event(GMouseEvent& event)
return GWidget::mouseup_event(event);
}
void GSlider::leave_event(CEvent& event)
{
set_knob_hovered(false);
GWidget::leave_event(event);
}
void GSlider::set_knob_hovered(bool hovered)
{
if (m_knob_hovered == hovered)
return;
m_knob_hovered = hovered;
update(knob_rect());
}