diff options
Diffstat (limited to 'src/corelib/kernel/qcore_mac_objc.mm')
-rw-r--r-- | src/corelib/kernel/qcore_mac_objc.mm | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/corelib/kernel/qcore_mac_objc.mm b/src/corelib/kernel/qcore_mac_objc.mm index 6b51eb65d9..15b69acbd4 100644 --- a/src/corelib/kernel/qcore_mac_objc.mm +++ b/src/corelib/kernel/qcore_mac_objc.mm @@ -514,5 +514,36 @@ Q_CONSTRUCTOR_FUNCTION(qt_apple_check_os_version); // ------------------------------------------------------------------------- +void QMacKeyValueObserver::addObserver() +{ + [object addObserver:observer forKeyPath:keyPath + options:NSKeyValueObservingOptionNew context:callback.get()]; +} + +void QMacKeyValueObserver::removeObserver() { + if (object) + [object removeObserver:observer forKeyPath:keyPath context:callback.get()]; + object = nil; +} + +KeyValueObserver *QMacKeyValueObserver::observer = [[KeyValueObserver alloc] init]; + +QT_END_NAMESPACE +@implementation KeyValueObserver +- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object + change:(NSDictionary<NSKeyValueChangeKey, id> *)change context:(void *)context +{ + Q_UNUSED(keyPath); + Q_UNUSED(object); + Q_UNUSED(change); + + (*reinterpret_cast<QMacKeyValueObserver::Callback*>(context))(); +} +@end +QT_BEGIN_NAMESPACE + +// ------------------------------------------------------------------------- + + QT_END_NAMESPACE |