man gui_mouse_focus (3): Tells if the input focus follows the mouse pointer. Allegro game programming library.

gui_mouse_focus(3) Tells if the input focus follows the mouse pointer. Allegro game programming library.

SYNOPSIS

#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.