diff options
author | Friedemann Kleint <Friedemann.Kleint@theqtcompany.com> | 2016-02-11 09:48:06 +0100 |
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committer | Friedemann Kleint <Friedemann.Kleint@theqtcompany.com> | 2016-02-23 07:53:02 +0000 |
commit | 20a29fbfe834c108517a23db359827d067246ecd (patch) | |
tree | ac9208b92f4010d8f13e7af17e81524f010305c8 /src/plugins/platforms/windows | |
parent | b8f89d8ef3f695746a8a48084d8ea710eb508d3d (diff) |
Windows QPA: Send synthesized expose events when window shrinks.
Fix the condition to check for plain move events and gain in
one dimension in which case Windows will send events.
Task-number: QTBUG-51038
Change-Id: I60433657f37275ee302f745291e79e465d52064d
Reviewed-by: Błażej Szczygieł <spaz16@wp.pl>
Reviewed-by: Shawn Rutledge <shawn.rutledge@theqtcompany.com>
Diffstat (limited to 'src/plugins/platforms/windows')
-rw-r--r-- | src/plugins/platforms/windows/qwindowswindow.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp index cb733ed5bd..e2f5885047 100644 --- a/src/plugins/platforms/windows/qwindowswindow.cpp +++ b/src/plugins/platforms/windows/qwindowswindow.cpp @@ -1467,7 +1467,9 @@ void QWindowsWindow::handleGeometryChange() // QTBUG-32121: OpenGL/normal windows (with exception of ANGLE) do not receive // expose events when shrinking, synthesize. if (!testFlag(OpenGL_ES2) && isExposed() - && !(m_data.geometry.width() >= previousGeometry.width() || m_data.geometry.height() >= previousGeometry.height())) { + && m_data.geometry.size() != previousGeometry.size() // Exclude plain move + // One dimension grew -> Windows will send expose, no need to synthesize. + && !(m_data.geometry.width() > previousGeometry.width() || m_data.geometry.height() > previousGeometry.height())) { fireExpose(QRect(QPoint(0, 0), m_data.geometry.size()), true); } if (previousGeometry.topLeft() != m_data.geometry.topLeft()) { |