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I'm trying to build the project(after doing brew install qt sdl2 ), but getting:

[ 17%] Building CXX object CMakeFiles/antimicro.dir/src/main.cpp.o
In file included from /Users/anton/tmp/antimicro-macos-cursor-fix/src/main.cpp:54:
/Users/anton/tmp/antimicro-macos-cursor-fix/src/inputdevice.h:28:10: fatal error: 'SDL2/SDL_joystick.h' file not found
#include <SDL2/SDL_joystick.h>
^~~~~~~~~~~~~~~~~~~~~
1 error generated.
make[2]: *** [CMakeFiles/antimicro.dir/src/main.cpp.o] Error 1
make[1]: *** [CMakeFiles/antimicro.dir/all] Error 2
make: *** [all] Error 2

Currently, to generate native mouse events, both the new position and the delta offset are assigned to a CGEvent:

Although the OS mouse pointer seems to respond to the absolute position, some OpenGL games (such as Minecraft) "capture" the mouse inside the window and apparently ignore the position vector. These, however, only process the delta offset, which results in the mouse pointer invisibly moving "below" the game window. This is problematic, because as soon as the user starts clicking (while the game is focused), the mouse pointer unexpectedly jumps outside of the game window to the location where the actual pointer has moved to.

The two "obvious" fixes to this problem each have their own issues:

1. Remove this first code snippet. The mouse pointer will work fine inside the game, but not move at all outside of it.

2. Remove the second code snippet. The mouse pointer will work fine on the desktop, but not move at all inside the game.

As the Quartz API does not seem to provide any lower-level support for mouse events, the best option might be to include a GUI checkbox under the mouse settings that allows the user to enable/disable this behavior if desired. This would, however, require a change to the event handling mechanism in order to deal with platform-specific settings.