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LibGUI: Process pending window updates after handling input events

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Since input events may trigger window portions to be invalidated,
rather than making a round trip to WindowServer to get paint events
we can simply fake an immediate paint event and update the window
contents more quickly.

Improves #5881
This commit is contained in:
Tom 2021-03-19 21:26:17 -06:00 • committed by Andreas Kling
parent edb6ada3ef
commit 7626f9e0bb
Notes: sideshowbarker 2024-07-18 21:06:31 +09:00
1 changed files with 6 additions and 2 deletions
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8
Userland/Libraries/LibGUI/Window.cpp
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@ -363,8 +363,12 @@ void Window::handle_mouse_event(MouseEvent& event)
if (event.buttons() != 0 && !m_automatic_cursor_tracking_widget)
m_automatic_cursor_tracking_widget = *result.widget;
if (result.widget != m_global_cursor_tracking_widget.ptr())
return result.widget->dispatch_event(*local_event, this);
return;
result.widget->dispatch_event(*local_event, this);
if (!m_pending_paint_event_rects.is_empty()) {
MultiPaintEvent paint_event(move(m_pending_paint_event_rects), size());
handle_multi_paint_event(paint_event);
}
}
void Window::handle_multi_paint_event(MultiPaintEvent& event)