DOKK / manpages / debian 10 / allegro4-doc / gui_mouse_focus.3alleg4.en
gui_mouse_focus(3alleg4) Allegro manual gui_mouse_focus(3alleg4)

gui_mouse_focus - Tells if the input focus follows the mouse pointer. Allegro game programming library.

#include <allegro.h>

extern int gui_mouse_focus;

If set, the input focus follows the mouse pointer around the dialog, otherwise a click is required to move it.

version 4.4.2 Allegro