DOKK / manpages / debian 10 / allegro5-doc / al_grab_mouse.3alleg5.en
al_grab_mouse(3alleg5) al_grab_mouse(3alleg5)

al_grab_mouse - Allegro 5 API

#include <allegro5/allegro.h>
bool al_grab_mouse(ALLEGRO_DISPLAY *display)
    

Confine the mouse cursor to the given display. The mouse cursor can only be confined to one display at a time.

Returns true if successful, otherwise returns false. Do not assume that the cursor will remain confined until you call al_ungrab_mouse(3alleg5). It may lose the confined status at any time for other reasons.

Note: not yet implemented on Mac OS X.

al_ungrab_mouse(3alleg5)

Allegro reference manual