is_windowed_mode (3) Linux Manual Page

is_windowed_mode – Tells if you are running in windowed mode. Allegro game programming library.

Synopsis

#include <allegro.h>

int is_windowed_mode(void);

Description

This function can be used to detect whether or not set_gfx_mode() selected a windowed mode. Example:

 if (set_gfx_mode(GFX_AUTODETECT, 640, 480, 0, 0) != 0)

 abort_on_error("Couldn’t set graphic mode!");

 if (is_windowed_mode()) {

 /* Windowed mode stuff. */

 } else {

 /* Fullscreen mode stuff. */

 }

Return Value

Returns true if the current graphics mode is a windowed mode, or zero if it is a fullscreen mode. You should not call this function if you are not in graphics mode.

See Also

set_gfx_mode(3)