diff options
| author | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2022-06-13 15:03:56 +0200 |
|---|---|---|
| committer | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2022-06-13 19:17:53 +0000 |
| commit | 5909e33d1dea34daef271598eb1c9dd06a238801 (patch) | |
| tree | c1b190975cf992b462bf63299baca492ce28a2c1 /src/plugins/platforms/cocoa | |
| parent | e6da018c86d874f5f0a5549f97609bf456a6f0d3 (diff) | |
macOS: Ignore update requests for offline displays
Accessing a display that's offline may cause crashes,
so to be on the safe side we skip update requests in
this situation.
Task-number: QTBUG-102021
Pick-to: 6.2 6.3 6.4 5.15
Change-Id: I6b48b6722bccde628e510c538943d14f2b0271e5
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Diffstat (limited to 'src/plugins/platforms/cocoa')
| -rw-r--r-- | src/plugins/platforms/cocoa/qcocoascreen.mm | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoascreen.mm b/src/plugins/platforms/cocoa/qcocoascreen.mm index 1d2b93cd48..923e5c09ad 100644 --- a/src/plugins/platforms/cocoa/qcocoascreen.mm +++ b/src/plugins/platforms/cocoa/qcocoascreen.mm @@ -275,6 +275,11 @@ void QCocoaScreen::requestUpdate() { Q_ASSERT(m_displayId); + if (!isOnline()) { + qCDebug(lcQpaScreenUpdates) << this << "is not online. Ignoring update request"; + return; + } + if (!m_displayLink) { CVDisplayLinkCreateWithCGDisplay(m_displayId, &m_displayLink); CVDisplayLinkSetOutputCallback(m_displayLink, [](CVDisplayLinkRef, const CVTimeStamp*, |