Support native event filter for Mac OS X

Ported from Qt 4 implementation, updated with
QAbstractEventDispatcher::filterNativeEvent() call.

Tested with an example.

Change-Id: I3271f8a565d06d80b7b48ba81728bcdb7b1c32e3
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/src/plugins/platforms/cocoa/qcocoahelpers.h b/src/plugins/platforms/cocoa/qcocoahelpers.h
index 45c35cccbf..2de955c273 100644
--- a/src/plugins/platforms/cocoa/qcocoahelpers.h
+++ b/src/plugins/platforms/cocoa/qcocoahelpers.h
@@ -129,6 +129,34 @@ bool qt_mac_execute_apple_script(const QString &script, AEDesc *ret);
 // accelerators.
 QString qt_mac_removeAmpersandEscapes(QString s);
 
+enum {
+    QtCocoaEventSubTypeWakeup       = SHRT_MAX,
+    QtCocoaEventSubTypePostMessage  = SHRT_MAX-1
+};
+
+class QCocoaPostMessageArgs {
+public:
+    id target;
+    SEL selector;
+    int argCount;
+    id arg1;
+    id arg2;
+    QCocoaPostMessageArgs(id target, SEL selector, int argCount=0, id arg1=0, id arg2=0)
+        : target(target), selector(selector), argCount(argCount), arg1(arg1), arg2(arg2)
+    {
+        [target retain];
+        [arg1 retain];
+        [arg2 retain];
+    }
+
+    ~QCocoaPostMessageArgs()
+    {
+        [arg2 release];
+        [arg1 release];
+        [target release];
+    }
+};
+
 QT_END_NAMESPACE
 
 #endif //QCOCOAHELPERS_H