diff options
| author | Timur Pocheptsov <timur.pocheptsov@theqtcompany.com> | 2016-03-04 11:11:17 +0100 |
|---|---|---|
| committer | Timur Pocheptsov <timur.pocheptsov@theqtcompany.com> | 2016-03-04 12:03:24 +0000 |
| commit | 840831b6116a289ce45377aa5366974e6ec7c0e8 (patch) | |
| tree | c14b51d76b41bdbc8c4a02f653a438a6ecfb6387 /src | |
| parent | fdd2ab58ae5c0ed581c0897f5207aa62cb29c785 (diff) | |
Cocoa integration - do not invalidate backing store on move
If window is only moving, there is no reason to reset a backing store,
otherwise with current expose/flush events machinery it's possible
to have glitches while moving a window programmatically.
Change-Id: Ia4408bd23388e529ae93617a92ae84304b707ca1
Reviewed-by: Morten Johan Sørvig <morten.sorvig@theqtcompany.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/plugins/platforms/cocoa/qnsview.mm | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/plugins/platforms/cocoa/qnsview.mm b/src/plugins/platforms/cocoa/qnsview.mm index 05dcbd33ad..cb119e7e0d 100644 --- a/src/plugins/platforms/cocoa/qnsview.mm +++ b/src/plugins/platforms/cocoa/qnsview.mm @@ -356,6 +356,8 @@ static NSString *_q_NSWindowDidChangeOcclusionStateNotification = nil; if (m_platformWindow->m_nsWindow && geometry == m_platformWindow->geometry()) return; + const bool isResize = geometry.size() != m_platformWindow->geometry().size(); + // It can happen that self.window is nil (if we are changing // styleMask from/to borderless and content view is being re-parented) // - this results in an invalid coordinates. @@ -385,7 +387,7 @@ static NSString *_q_NSWindowDidChangeOcclusionStateNotification = nil; // calles, which Qt and Qt applications do not excpect. if (!m_platformWindow->m_inSetGeometry) QWindowSystemInterface::flushWindowSystemEvents(); - else + else if (isResize) m_backingStore = 0; } } |