1#include <stdio.h>
2#include <allegro5/allegro5.h>
3#include <allegro5/keyboard.h>
4#include <allegro5/allegro_font.h>
5
6int width
= 800, height
= 600;
7
8int main
()
9{
10 // Initalization
11 al_init();
12 al_install_keyboard();
13
14 ALLEGRO_MONITOR_INFO monitor
;
15 al_set_new_display_flags(ALLEGRO_WINDOWED
| ALLEGRO_RESIZABLE
);
16 al_get_monitor_info(0,
&monitor
);
17 printf("%i x %i", monitor.x2, monitor.y2
);
18
19 ALLEGRO_TIMER* timer
= al_create_timer(1.
0 / 30.
0);
20 ALLEGRO_EVENT_QUEUE* queue
= al_create_event_queue();
21 ALLEGRO_DISPLAY* disp
= al_create_display(width, height
);
22 ALLEGRO_FONT* font = al_create_builtin_font
();
23
24 // Registering event sources with an event
25 al_register_event_source(queue,
al_get_keyboard_event_source());
26 al_register_event_source(queue,
al_get_display_event_source(disp
));
27 al_register_event_source(queue,
al_get_timer_event_source(timer
));
28
29 bool redraw
= true, resize
= 0, fullscreen_window
= 0;
30 ALLEGRO_EVENT event
;
31
32 // This sets the frames per second of the application
33 al_start_timer(timer
);
34
35 // Main event loop
36 while(1)
37 {
38 al_wait_for_event(queue,
&event
);
39
40 if(event.type
== ALLEGRO_EVENT_TIMER
)
41 redraw
= true;
42 // close the display
43 else if(event.keyboard.keycode
== ALLEGRO_KEY_ESCAPE
|| event.type
== ALLEGRO_EVENT_DISPLAY_CLOSE
)
44 break;
45 // Resize the display
46 else if (event.type
== ALLEGRO_EVENT_DISPLAY_RESIZE
)
47 {
48 resize
= !resize
;
49 if(resize
== 1)
50 al_resize_display(disp, monitor.x2, monitor.y2
);
51 else
52 al_resize_display(disp, width, height
);
53 }
54 // FULLSCREEN WINDOWED MODE *There is a bug here, it can't disable the mode*
55 else if(event.keyboard.keycode
== ALLEGRO_KEY_F11
)
56 {
57 fullscreen_window
= !fullscreen_window
;
58 // if(fullscreen_window)
59 al_set_display_flag
(disp, ALLEGRO_FULLSCREEN_WINDOW, fullscreen_window
);
60 // else
61 // al_toggle_display_flag(disp, ALLEGRO_RESIZABLE, 1);
62
63 }
64
65 // Rendering happens here...
66 if(redraw
&& al_is_event_queue_empty(queue
))
67 {
68 al_clear_to_color(al_map_rgb(0,
0,
0));
69 al_draw_text(font,
al_map_rgb(255,
255,
255),
0,
0,
0,
"Hello world!");
70 al_flip_display();
71
72 redraw
= false;
73 }
74 }
75
76 al_destroy_font(font);
77 al_destroy_display(disp
);
78 al_destroy_timer(timer
);
79 al_destroy_event_queue(queue
);
80
81 return 0;
82}