Hi,
I am developing a desktop application that supports one of the feature through
Hot Key. I am using Event Tap for this to work.
But, sometimes (randomly) the callback is not invoked; Hot Key does not work
and hence the feature seems to be not working.
Could someone help me out in identifying the problem here.
Following is the code snippet:
-( void )startEventTapinThread //Called in a separate thread.
{
NSAutoreleasePool *pool =[ [ NSAutoreleasePool alloc] init];
CFRunLoopRef runloop =(CFRunLoopRef)CFRunLoopGetCurrent();
CGEventMask interestedEvents =
CGEventMaskBit(kCGEventFlagsChanged)|CGEventMaskBit(kCGEventKeyDown);
CFMachPortRef eventTap = CGEventTapCreate(kCGSessionEventTap,
kCGHeadInsertEventTap, 0, interestedEvents, myCGEventCallback, self);
//self is the object pointer our method
CFRunLoopSourceRef source =
CFMachPortCreateRunLoopSource(kCFAllocatorDefault, eventTap, 0);
CFRunLoopAddSource((CFRunLoopRef)runloop , source,
kCFRunLoopCommonModes);
CFRunLoopRun();
[ pool release];
}
CGEventRef myCGEventCallback(CGEventTapProxy proxy, CGEventType type,
CGEventRef event, void *refcon)
{
CGEventType eventType = CGEventGetType(event);
//execute the code related to feature
}
Thanks and Regards,
Deepa-----------------------------------------------
Robosoft Technologies - Come home to Technology
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