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/*
* Ryan Roden-Corrent
* Example that injects regular (non-user-type) allegro events into a queue.
* This could be useful for 'faking' certain event sources.
* For example, you could imitate joystick events without a * joystick.
*
* Based on the ex_user_events.c example.
*/
#include <stdio.h>
#include "allegro5/allegro.h"
#include "common.c"
int main(int argc, char **argv)
{
ALLEGRO_EVENT_SOURCE fake_src;
ALLEGRO_EVENT_QUEUE *queue;
ALLEGRO_EVENT fake_keydown_event, fake_joystick_event;
ALLEGRO_EVENT event;
(void)argc;
(void)argv;
if (!al_init()) {
abort_example("Could not init Allegro.\n");
}
open_log();
/* register our 'fake' event source with the queue */
al_init_user_event_source(&fake_src);
queue = al_create_event_queue();
al_register_event_source(queue, &fake_src);
/* fake a joystick event */
fake_joystick_event.any.type = ALLEGRO_EVENT_JOYSTICK_AXIS;
fake_joystick_event.joystick.stick = 1;
fake_joystick_event.joystick.axis = 0;
fake_joystick_event.joystick.pos = 0.5;
al_emit_user_event(&fake_src, &fake_joystick_event, NULL);
/* fake a keyboard event */
fake_keydown_event.any.type = ALLEGRO_EVENT_KEY_DOWN;
fake_keydown_event.keyboard.keycode = ALLEGRO_KEY_ENTER;
al_emit_user_event(&fake_src, &fake_keydown_event, NULL);
/* poll for the events we injected */
while (!al_is_event_queue_empty(queue)) {
al_wait_for_event(queue, &event);
switch (event.type) {
case ALLEGRO_EVENT_KEY_DOWN:
ALLEGRO_ASSERT(event.user.source == &fake_src);
log_printf("Got keydown: %d\n", event.keyboard.keycode);
break;
case ALLEGRO_EVENT_JOYSTICK_AXIS:
ALLEGRO_ASSERT(event.user.source == &fake_src);
log_printf("Got joystick axis: stick=%d axis=%d pos=%f\n",
event.joystick.stick, event.joystick.axis, event.joystick.pos);
break;
}
}
al_destroy_user_event_source(&fake_src);
al_destroy_event_queue(queue);
log_printf("Done.\n");
close_log(true);
return 0;
}
/* vim: set sts=3 sw=3 et: */
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