diff options
| author | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2019-05-29 17:00:40 +0200 |
|---|---|---|
| committer | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2019-06-07 11:44:57 +0200 |
| commit | 2dfe0f8f6854f518e8ffb23e17cc99400355cc3e (patch) | |
| tree | 0c536f7838e57f4e11d626ff9fe5c004d479414a /src/corelib/kernel/qcore_mac_objc.mm | |
| parent | 99636127d10f96d8313bc26030cabf9841381914 (diff) | |
macOS: Introduce QMacKeyValueObserver and use in theme and style
Change-Id: I2d21c883628933543ae5a66b694ff7503119bc4a
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
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 4550891e2a..9139b372a8 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 |