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Code Issues Activity Actions

WindowServer+LibGUI: Handle mouse wheel deltas in the mouse event stream.

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The wheel events will end up in GWidget::mousewheel_event(GMouseEvent&)
on the client-side. This patch also implements basic wheel scrolling in
GScrollableWidget via this mechanism. :^)
This commit is contained in:
Andreas Kling 2019-05-13 19:52:57 +02:00
parent dae8eb6454
commit dab9901235
13 changed files with 58 additions and 25 deletions
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6
LibGUI/GScrollableWidget.cpp
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@ -27,6 +27,12 @@ GScrollableWidget::~GScrollableWidget()
{
}
void GScrollableWidget::mousewheel_event(GMouseEvent& event)
{
// FIXME: The wheel delta multiplier should probably come from... somewhere?
vertical_scrollbar().set_value(vertical_scrollbar().value() + event.wheel_delta() * 20);
}
void GScrollableWidget::resize_event(GResizeEvent& event)
{
auto inner_rect = frame_inner_rect_for_size(event.size());