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LibGUI: Coalesce update rects at the GWindow level.

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This commit is contained in:
Andreas Kling 2019-02-10 14:46:43 +01:00
parent 53d34a0885
commit 08322ab8e1
4 changed files with 10 additions and 8 deletions
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9
LibGUI/GWindow.cpp
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@ -147,6 +147,7 @@ void GWindow::event(GEvent& event)
}
if (event.is_paint_event()) {
m_pending_paint_event_rects.clear();
if (!m_main_widget)
return;
auto& paint_event = static_cast<GPaintEvent&>(event);
@ -196,6 +197,14 @@ void GWindow::update(const Rect& a_rect)
{
if (!m_window_id)
return;
for (auto& pending_rect : m_pending_paint_event_rects) {
if (pending_rect.contains(a_rect)) {
dbgprintf("Ignoring %s since it's contained by pending rect %s\n", a_rect.to_string().characters(), pending_rect.to_string().characters());
return;
}
}
m_pending_paint_event_rects.append(a_rect);
GUI_Rect rect = a_rect;
int rc = gui_invalidate_window(m_window_id, a_rect.is_null() ? nullptr : &rect);
ASSERT(rc == 0);