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Ignore WindowManager invalidations inside already invalidated rects.

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This commit is contained in:
Andreas Kling 2019-01-12 03:07:23 +01:00
parent d6bbd2126d
commit 83252397e4
2 changed files with 15 additions and 2 deletions
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8
Widgets/Rect.h
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@ -63,6 +63,14 @@ public:
return contains(point.x(), point.y());
}
bool contains(const Rect& other) const
{
return left() <= other.left()
&& right() >= other.right()
&& top() <= other.top()
&& bottom() >= other.bottom();
}
int left() const { return x(); }
int right() const { return x() + width() - 1; }
int top() const { return y(); }

9
Widgets/WindowManager.cpp
View file

@ -339,8 +339,13 @@ void WindowManager::invalidate()
void WindowManager::invalidate(const Rect& rect)
{
if (!rect.is_empty())
m_invalidated_rects.append(rect);
if (rect.is_empty())
return;
for (auto& r : m_invalidated_rects) {
if (r.contains(rect))
return;
}
m_invalidated_rects.append(rect);
}
void WindowManager::invalidate(const Window& window)