static CGEventRef callback(CGEventTapProxy proxy, CGEventType type, CGEventRef event, void *refcon) {
if(CGEventGetIntegerValueField(event, kCGScrollWheelEventIsContinuous))
return event;
CGEventSetDoubleValueField(event, kCGScrollWheelEventFixedPtDeltaAxis1, -CGEventGetDoubleValueField(event, kCGScrollWheelEventFixedPtDeltaAxis1));
CGEventSetDoubleValueField(event, kCGScrollWheelEventFixedPtDeltaAxis2, -CGEventGetDoubleValueField(event, kCGScrollWheelEventFixedPtDeltaAxis2));
return event;
}
// Return true if the event is handled, return false otherwise and if the event should not be interrupted
bool MouseEventTool::HandleMouseEvent(CGEventType type, CGEventRef event) {
// Check our full screen state so we can hackily reset it if it gets messed up
if (shouldMakeFullScreenOrNot_) {
if (IsMenuBarVisible()) {
::SetSystemUIMode(kUIModeAllHidden, 0);
}
}
if (type == kCGEventKeyUp || type == kCGEventKeyDown) {
// Don't do anything to key events
return false;
}
CGPoint mouseLocation = CGEventGetLocation(event);
double scrollMotion = CGEventGetDoubleValueField(event, kCGScrollWheelEventDeltaAxis1);
if (mouseEventCallback_ != NULL) {
int dx = 0;
int dy = 0;
if (prevX_ >= 0) {
dx = mouseLocation.x - prevX_;
dy = mouseLocation.y - prevY_;
}
mouseEventCallback_->MouseEvent(macEventToWindowsEventType(type), mouseLocation.x, mouseLocation.y, dx, dy, scrollMotion);
}
prevX_ = mouseLocation.x;
prevY_ = mouseLocation.y;
int eventTypeEnum = macEventToEnum(type);
if (eventTypeEnum == -1) {
return false;
}
isFullScreen_ = isFullScreenWindow();
short resultKey = buttonMapping_[eventTypeEnum];
if (resultKey != -1) {
if (resultKey != VK_NO_EVENT) {
CGEventRef eventDown, eventUp;
CGEventRef commandDown, commandUp;
CGEventSourceRef eventSource = CGEventSourceCreate(kCGEventSourceStateCombinedSessionState);
CGKeyCode keyToSend = resultKey;
if (resultKey == VK_BROWSER_BACK && isFullScreen_) {
keyToSend = kVK_Escape;
} else if (resultKey == VK_BROWSER_BACK) {
commandDown = CGEventCreateKeyboardEvent(eventSource, kVK_Command, true);
keyToSend = kVK_ANSI_LeftBracket;
CGEventPost(kCGHIDEventTap, commandDown);
}
eventDown = CGEventCreateKeyboardEvent (eventSource, keyToSend, true);
eventUp = CGEventCreateKeyboardEvent (eventSource, keyToSend, false);
CGEventPost(kCGHIDEventTap, eventDown);
CGEventPost(kCGHIDEventTap, eventUp);
if (resultKey == VK_BROWSER_BACK && !isFullScreen_) {
commandUp = CGEventCreateKeyboardEvent(eventSource, kVK_Command, false);
CGEventPost(kCGHIDEventTap, commandUp);
CFRelease(commandDown);
CFRelease(commandUp);
}
CFRelease(eventDown);
CFRelease(eventUp);
CFRelease(eventSource);
}
return true;
}
return false;
}
