在Mac OS X下捕获/发布系统范围的键盘/鼠标事件,可以使用以下方法:
#import <Cocoa/Cocoa.h>
#import <Carbon/Carbon.h>
@interface AppDelegate : NSObject <NSApplicationDelegate> {
EventHandlerRef _eventHandler;
}
@end
@implementation AppDelegate
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
// Register event handler
EventTypeSpec eventTypes[] = {
{ kEventClassKeyboard, kEventRawKeyDown },
{ kEventClassKeyboard, kEventRawKeyUp },
{ kEventClassMouse, kEventMouseDown },
{ kEventClassMouse, kEventMouseUp },
};
EventHandlerUPP eventHandlerUPP = NewEventHandlerUPP(handleEvent);
InstallEventHandler(GetApplicationEventTarget(), eventHandlerUPP,
GetEventTypeCount(eventTypes), eventTypes,
(void *)self, &_eventHandler);
}
CALLBACK EventHandler handleEvent(EventHandlerCallRef nextHandler,
EventRef theEvent, void *userData) {
// Handle event
return noErr;
}
@end
#import<Foundation/Foundation.h>
#import <Cocoa/Cocoa.h>
#import <Carbon/Carbon.h>
@interface AppDelegate : NSObject <NSApplicationDelegate> {
CFMachPortRef _eventTap;
}
@end
@implementation AppDelegate
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
// Create event tap
CGEventMask eventMask = CGEventMaskBit(kCGEventKeyDown) |
CGEventMaskBit(kCGEventKeyUp) |
CGEventMaskBit(kCGEventLeftMouseDown) |
CGEventMaskBit(kCGEventLeftMouseUp);
_eventTap = CGEventTapCreate(kCGHIDEventTap, kCGHeadInsertEventTap, 0,
eventMask, handleEvent, (__bridge void *)self);
if (!_eventTap) {
NSLog(@"Failed to create event tap");
return;
}
// Run event tap
CFRunLoopAddSource(CFRunLoopGetCurrent(),
CFMachPortCreateRunLoopSource(kCFAllocatorDefault, _eventTap, 0),
kCFRunLoopCommonModes);
CGEventTapEnable(_eventTap, true);
}
CGEventRef handleEvent(CGEventTapProxy proxy, CGEventType type,
CGEventRef event, void *userData) {
// Handle event
return event;
}
@end
以上两种方法都可以用于捕获和处理系统范围的键盘/鼠标事件。但需要注意的是,这些方法需要开发者具有一定的Mac OS X开发经验,并且需要在Mac OS X上运行。此外,由于这些方法需要捕获系统范围的事件,因此可能会对系统性能和稳定性产生影响。因此,在使用这些方法时,请确保您了解其潜在的风险和影响。
领取专属 10元无门槛券
手把手带您无忧上云