Stack Overflow
Stack Overflow

Questions tagged [cgeventtap]

79 questions
0
votes
0 answers

Mouse event with CGEventCreateMouseEvent does not respect coordinates when screen zoomed in

I have a simple Objective C function used to perform mouse events (single clicks): void click(CGPoint pt, int clickCount) { CGEventRef theEvent = CGEventCreateMouseEvent(NULL, kCGEventLeftMouseDown, pt, kCGMouseButtonLeft); …
Pablo Matias Gomez
  • 6,614
  • 7
  • 38
  • 72
0
votes
2 answers

CGEvent NSKeyDown only working if app is front most?

I am trying to automate some tasks (there's no applescript support) so I have to use CGEvents and post these events. Mouse clicking works fine, but NSKeyDown (enter) only works if I click on the app in the dock(which makes it front most…
user635064
  • 6,219
  • 12
  • 54
  • 100
0
votes
0 answers

Macos Application hangs when using NSDistributedNotificationCenter and CFRunLoopAddSource

I have MacOS application built using Qt. There I have created NSDistributedNotificationCenter to be notified when accessibility settings change (observing "com.apple.accessibility.api" ). Also I have CFRunLoopAddSource to monitor key pressed…
RuLoViC
  • 825
  • 7
  • 23
0
votes
1 answer

Returning a `CGEvent` of my own creation in `NSEventTap`

Documentation for CGEventTapCallBack here states: CGEventRef event The incoming event. This event is owned by the caller, and you do not need to release it. What happens if I wish to eat the event, and return NULL? Should I CFRelease…
P i
  • 29,020
  • 36
  • 159
  • 267
0
votes
1 answer

Is it safe to create `NSEvent object` then `CGEventPost` the `[ev CGEvent]` then exit the method?

I have the following Objective-C snippet: void toggle() { NSEvent* down_event = [NSEvent keyEventWithType: NSEventTypeKeyDown location: NSZeroPoint modifierFlags:…
P i
  • 29,020
  • 36
  • 159
  • 267
0
votes
0 answers

How do I get the Process Serial Number of my own process?

I am trying to install an event tap for my own process to intercept mouse events. For this I found the function CGEventTapCreateForPSN which expects a process' serial number as its first parameter. How do I get the PSN of my own process?…
user3700562
  • 693
  • 11
  • 23
0
votes
1 answer

Crash When Accessing refcon:UnsafeMutableRawPointer? Inside CGEventTap Callback

I have a myCGEventCallback function for CGEventTap that takes parameter "refcon:UnsafeMutableRawPointer?". I pass my main ViewController as a pointer to the callback using let pointer =…
jl303
  • 1,461
  • 15
  • 27
0
votes
0 answers

Sending keystroke event 'paste' to a specific application Mac

i am using a code to simulate a 'Paste ' to the frontmost application using carbon on MacOS. Now, i need to do that to a specific application not in frontmost. I am using this code so far with the use of PostToPsn : ProcessSerialNumber psn; …
hugo411
  • 320
  • 1
  • 12
  • 29
0
votes
1 answer

(Mac) creating keyboard events causes memory leaks

My app's memory usage goes up permanently, each time I create a keyboard event using Quartz Event Services. The following is the problematic code inside of an infinite loop: int keyCode = 0; BOOL keyDownBool = FALSE; while (TRUE) { /*…
simsula
  • 147
  • 7
0
votes
0 answers

Waiting for an programmatic key press to be processed

Someone posted a snippet of code for programmatically pressing a key : - (void)postCommandAndKey:(CGKeyCode)key { CGEventSourceRef source = CGEventSourceCreate(kCGEventSourceStateCombinedSessionState); CGEventRef keyDown =…
Arno Breker
  • 35
  • 5
0
votes
1 answer

CGEventTap mouse event position overwrite only possible when running app as root user?

I am developing a macOS app which takes control of the cursor. I am using a CGEvent Tap and I am adding some arithmetic to the CGEvents in order to offset the final mouse position. Although the app is in principle working as expected, in some cases…
fy data
  • 195
  • 1
  • 9
0
votes
1 answer

Swift 3 CFRunLoopRun in Thread?

I just made a simple testing app to display keycode of keystrokes along with modifiers. It works fine for 3 keystrokes, then the app crashes. When it crashes, debug console just shows (LLDB) at the end. Any suggestion what might be causing this?…
jl303
  • 1,461
  • 15
  • 27
0
votes
1 answer

CGEventRef KeyHandler - Xcode - Mac

So I have an app that when you press the numbers on your keyboard on top, it normally types the symbols. But with the app it types the numbers. But if I run it in xcode, everything works fine, but when i open the app outside of xcode it doesn't…
Damian Van de Kauter
  • 15
  • 1
  • 9
0
votes
1 answer

NSWindow frozen while simulating mouse down event

After receiving a mouse down event, my NSWindow is frozen. I'm unable to capture which threads hang in Xcode. I'm using the following code to simulate a mouse event: CGEventSourceRef eventSource =…
boopathy
  • 427
  • 2
  • 9
  • 20
0
votes
1 answer

Get window id from a click listener with CGEventTap (objective-c)

I'm trying to listen to all mouse clicks that the user makes. I need to know which window the user has clicked on (presumably by its CGWindowID). I am listening to all clicks through a CGEventTap, but now I can't find out how to get the window that…
torpedro
  • 494
  • 5
  • 13
1 2 3 4
5
6