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Avoid sending excessive synthetic ConfigureNotify events

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While they are harmless, they can result in the client repainting more
than needed and resulting in the opposite edge "bouncing" when resizing
the window.
This commit is contained in:
Vlad Zahorodnii 2024-07-09 22:21:15 +03:00
parent 8f144460d7
commit 7b486e215d
1 changed files with 7 additions and 1 deletions
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8
src/x11window.cpp
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@ -4415,13 +4415,19 @@ void X11Window::configure(const QRect &nativeFrame, const QRect &nativeWrapper,
m_frame.setGeometry(nativeFrame);
}
if (!isShade()) {
const bool resized = m_client.size() != nativeClient.size();
if (m_wrapper.geometry() != nativeWrapper) {
m_wrapper.setGeometry(nativeWrapper);
}
if (m_client.geometry() != nativeClient) {
m_client.setGeometry(nativeClient);
}
sendSyntheticConfigureNotify();
// A synthetic configure notify event has to be sent if the client window is not
// resized to let the client know about the new position. See ICCCM 4.1.5.
if (!resized) {
sendSyntheticConfigureNotify();
}
}
// TODO: This is not required on wayland, keep it until we support Xorg session.