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-rw-r--r--src/plugins/platforms/windows/qwindowswindow.cpp13
-rw-r--r--src/plugins/platforms/windows/qwindowswindow.h25
2 files changed, 25 insertions, 13 deletions
diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp
index c3ec949eef..dc51dbfc88 100644
--- a/src/plugins/platforms/windows/qwindowswindow.cpp
+++ b/src/plugins/platforms/windows/qwindowswindow.cpp
@@ -808,8 +808,12 @@ QWindowsWindow::QWindowsWindow(QWindow *aWindow, const WindowData &data) :
const Qt::WindowType type = aWindow->type();
if (type == Qt::Desktop)
return; // No further handling for Qt::Desktop
- if (aWindow->surfaceType() == QWindow::OpenGLSurface)
+ if (aWindow->surfaceType() == QWindow::OpenGLSurface) {
setFlag(OpenGLSurface);
+#ifdef QT_OPENGL_ES_2
+ setFlag(OpenGL_ES2);
+#endif
+ }
if (aWindow->isTopLevel()) {
switch (type) {
case Qt::Window:
@@ -1233,9 +1237,16 @@ void QWindowsWindow::handleGeometryChange()
//Prevent recursive resizes for Windows CE
if (testFlag(WithinSetStyle))
return;
+ const QRect previousGeometry = m_data.geometry;
m_data.geometry = geometry_sys();
QPlatformWindow::setGeometry(m_data.geometry);
QWindowSystemInterface::handleGeometryChange(window(), m_data.geometry);
+ // 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())) {
+ fireExpose(QRegion(m_data.geometry), true);
+ }
if (testFlag(SynchronousGeometryChangeEvent))
QWindowSystemInterface::flushWindowSystemEvents();
diff --git a/src/plugins/platforms/windows/qwindowswindow.h b/src/plugins/platforms/windows/qwindowswindow.h
index 07f3976d87..996542f92a 100644
--- a/src/plugins/platforms/windows/qwindowswindow.h
+++ b/src/plugins/platforms/windows/qwindowswindow.h
@@ -124,18 +124,19 @@ public:
WithinSetParent = 0x2,
FrameDirty = 0x4, //! Frame outdated by setStyle, recalculate in next query.
OpenGLSurface = 0x10,
- OpenGLDoubleBuffered = 0x20,
- OpenGlPixelFormatInitialized = 0x40,
- BlockedByModal = 0x80,
- SizeGripOperation = 0x100,
- FrameStrutEventsEnabled = 0x200,
- SynchronousGeometryChangeEvent = 0x400,
- WithinSetStyle = 0x800,
- WithinDestroy = 0x1000,
- TouchRegistered = 0x2000,
- AlertState = 0x4000,
- Exposed = 0x08000,
- WithinCreate = 0x10000
+ OpenGL_ES2 = 0x20,
+ OpenGLDoubleBuffered = 0x40,
+ OpenGlPixelFormatInitialized = 0x80,
+ BlockedByModal = 0x100,
+ SizeGripOperation = 0x200,
+ FrameStrutEventsEnabled = 0x400,
+ SynchronousGeometryChangeEvent = 0x800,
+ WithinSetStyle = 0x1000,
+ WithinDestroy = 0x2000,
+ TouchRegistered = 0x4000,
+ AlertState = 0x8000,
+ Exposed = 0x10000,
+ WithinCreate = 0x20000
};
struct WindowData