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authorJens Bache-Wiig <jbache@trolltech.com>2010-02-02 11:17:19 (GMT)
committerJens Bache-Wiig <jbache@trolltech.com>2010-02-02 11:18:13 (GMT)
commit7ced77b654eb46af1221a55e315795c1be1753a0 (patch)
tree50b9cb09e3ea7780e144bb02f42475dcf740f297 /src/gui/styles
parent5c8be23e6b5fa732f4c799c783a8b22a85992211 (diff)
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Fixed potential crash in mac style
Diffstat (limited to 'src/gui/styles')
-rw-r--r--src/gui/styles/qmacstyle_mac.mm8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/gui/styles/qmacstyle_mac.mm b/src/gui/styles/qmacstyle_mac.mm
index c2e5871..aab16cb 100644
--- a/src/gui/styles/qmacstyle_mac.mm
+++ b/src/gui/styles/qmacstyle_mac.mm
@@ -2412,9 +2412,11 @@ int QMacStyle::pixelMetric(PixelMetric metric, const QStyleOption *opt, const QW
break;
case PM_ToolBarFrameWidth:
ret = 1;
- if (QMainWindow * mainWindow = qobject_cast<QMainWindow *>(widget->parent()))
- if (mainWindow->unifiedTitleAndToolBarOnMac())
- ret = 0;
+ if (widget) {
+ if (QMainWindow * mainWindow = qobject_cast<QMainWindow *>(widget->parent()))
+ if (mainWindow->unifiedTitleAndToolBarOnMac())
+ ret = 0;
+ }
break;
default:
ret = QWindowsStyle::pixelMetric(metric, opt, widget);