diff options
Diffstat (limited to 'src/plugins/platforms/cocoa/qcocoabackingstore.mm')
-rw-r--r-- | src/plugins/platforms/cocoa/qcocoabackingstore.mm | 22 |
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(); |