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我想在我的可可应用程序中捕获,修改和转移系统中的所有keydown/keyup事件。我知道CGEventTapCreate,但没有发现任何工作代码从网络。如何在可可中捕获全局keydown/keyup事件
感谢
我想在我的可可应用程序中捕获,修改和转移系统中的所有keydown/keyup事件。我知道CGEventTapCreate,但没有发现任何工作代码从网络。如何在可可中捕获全局keydown/keyup事件
感谢
找到解决方案:
self.machPortRef = CGEventTapCreate(kCGSessionEventTap,
kCGTailAppendEventTap,
kCGEventTapOptionDefault,
CGEventMaskBit(kCGEventKeyDown),
(CGEventTapCallBack)eventTapFunction,
self);
if (self.machPortRef == NULL)
{
printf("CGEventTapCreate failed!\n");
} else {
self.eventSrc = CFMachPortCreateRunLoopSource(NULL, self.machPortRef, 0);
if (self.eventSrc == NULL)
{
printf("No event run loop src?\n");
}else {
CFRunLoopRef runLoop = CFRunLoopGetCurrent(); //GetCFRunLoopFromEventLoop(GetMainEventLoop());
// Get the CFRunLoop primitive for the Carbon Main Event Loop, and add the new event souce
CFRunLoopAddSource(runLoop, self.eventSrc, kCFRunLoopDefaultMode);
}
}
属性:
CFMachPortRef machPortRef;
CFRunLoopSourceRef eventSrc;
事件处理程序:
CGEventRef eventTapFunction(CGEventTapProxy proxy, CGEventType type, CGEventRef event, void *refcon)
{
//printf("eventTap triggered\n");
return event;
}