diff options
| -rw-r--r-- | src/widgets/styles/qmacstyle_mac.mm | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/src/widgets/styles/qmacstyle_mac.mm b/src/widgets/styles/qmacstyle_mac.mm index 67a3fd176e..fecc4f2b5f 100644 --- a/src/widgets/styles/qmacstyle_mac.mm +++ b/src/widgets/styles/qmacstyle_mac.mm @@ -2107,25 +2107,29 @@ QMacStyle::QMacStyle() d = new QMacStylePrivate(this); #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7 - d->receiver = [[NotificationReceiver alloc] initWithPrivate:d]; - NotificationReceiver *receiver = static_cast<NotificationReceiver *>(d->receiver); + if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_7) { + d->receiver = [[NotificationReceiver alloc] initWithPrivate:d]; + NotificationReceiver *receiver = static_cast<NotificationReceiver *>(d->receiver); - [[NSNotificationCenter defaultCenter] addObserver:receiver - selector:@selector(scrollBarStyleDidChange:) - name:NSPreferredScrollerStyleDidChangeNotification - object:nil]; + [[NSNotificationCenter defaultCenter] addObserver:receiver + selector:@selector(scrollBarStyleDidChange:) + name:NSPreferredScrollerStyleDidChangeNotification + object:nil]; - d->nsscroller = [[NSScroller alloc] init]; + d->nsscroller = [[NSScroller alloc] init]; + } #endif } QMacStyle::~QMacStyle() { #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7 - [d->nsscroller release]; + if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_7) { + [d->nsscroller release]; - NotificationReceiver *receiver = static_cast<NotificationReceiver *>(d->receiver); - [[NSNotificationCenter defaultCenter] removeObserver:receiver]; + NotificationReceiver *receiver = static_cast<NotificationReceiver *>(d->receiver); + [[NSNotificationCenter defaultCenter] removeObserver:receiver]; + } #endif delete qt_mac_backgroundPattern; |