summaryrefslogtreecommitdiffstats
path: root/src/plugins/platforms/cocoa/qcocoabackingstore.mm
diff options
context:
space:
mode:
Diffstat (limited to 'src/plugins/platforms/cocoa/qcocoabackingstore.mm')
-rw-r--r--src/plugins/platforms/cocoa/qcocoabackingstore.mm22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoabackingstore.mm b/src/plugins/platforms/cocoa/qcocoabackingstore.mm
index 02f56b4516..5d5e406d8a 100644
--- a/src/plugins/platforms/cocoa/qcocoabackingstore.mm
+++ b/src/plugins/platforms/cocoa/qcocoabackingstore.mm
@@ -51,6 +51,17 @@ QT_BEGIN_NAMESPACE
QCocoaBackingStore::QCocoaBackingStore(QWindow *window)
: QRasterBackingStore(window)
{
+ // Ideally this would be plumbed from the platform layer to QtGui, and
+ // the QBackingStore would be recreated, but we don't have that code yet,
+ // so at least make sure we invalidate our backingstore when the backing
+ // properties (color space e.g.) are changed.
+ NSView *view = static_cast<QCocoaWindow *>(window->handle())->view();
+ m_backingPropertiesObserver = QMacNotificationObserver(view.window,
+ NSWindowDidChangeBackingPropertiesNotification, [this]() {
+ qCDebug(lcQpaBackingStore) << "Backing properties for"
+ << this->window() << "did change";
+ backingPropertiesChanged();
+ });
}
QCFType<CGColorSpaceRef> QCocoaBackingStore::colorSpace() const
@@ -299,6 +310,11 @@ void QNSWindowBackingStore::redrawRoundedBottomCorners(CGRect windowRect) const
#endif
}
+void QNSWindowBackingStore::backingPropertiesChanged()
+{
+ m_image = QImage();
+}
+
// ----------------------------------------------------------------------------
// https://stackoverflow.com/a/52722575/2761869
@@ -574,6 +590,12 @@ QImage QCALayerBackingStore::toImage() const
return imageCopy;
}
+void QCALayerBackingStore::backingPropertiesChanged()
+{
+ m_buffers.clear();
+ m_buffers.resize(1);
+}
+
QPlatformGraphicsBuffer *QCALayerBackingStore::graphicsBuffer() const
{
return m_buffers.back().get();