allegro5.events source code

1 module allegro5.events;
2 
3 import allegro5.altime;
4 import allegro5.base;
5 import allegro5.display;
6 import allegro5.joystick;
7 import allegro5.mouse;
8 import allegro5.keyboard;
9 import allegro5.timer;
10 import allegro5.touch_input;
11 
12 version (Tango) {
13 	import tango.stdc.stdint;
14 }
15 else {
16 	import std.stdint;
17 }
18 
19 extern (C)
20 {
21 	alias uint ALLEGRO_EVENT_TYPE;
22 
23 	enum
24 	{
25 		ALLEGRO_EVENT_JOYSTICK_AXIS               =  1,
26 		ALLEGRO_EVENT_JOYSTICK_BUTTON_DOWN        =  2,
27 		ALLEGRO_EVENT_JOYSTICK_BUTTON_UP          =  3,
28 		ALLEGRO_EVENT_JOYSTICK_CONFIGURATION      =  4,
29 
30 		ALLEGRO_EVENT_KEY_DOWN                    = 10,
31 		ALLEGRO_EVENT_KEY_CHAR                    = 11,
32 		ALLEGRO_EVENT_KEY_UP                      = 12,
33 
34 		ALLEGRO_EVENT_MOUSE_AXES                  = 20,
35 		ALLEGRO_EVENT_MOUSE_BUTTON_DOWN           = 21,
36 		ALLEGRO_EVENT_MOUSE_BUTTON_UP             = 22,
37 		ALLEGRO_EVENT_MOUSE_ENTER_DISPLAY         = 23,
38 		ALLEGRO_EVENT_MOUSE_LEAVE_DISPLAY         = 24,
39 		ALLEGRO_EVENT_MOUSE_WARPED                = 25,
40 
41 		ALLEGRO_EVENT_TIMER                       = 30,
42 
43 		ALLEGRO_EVENT_DISPLAY_EXPOSE              = 40,
44 		ALLEGRO_EVENT_DISPLAY_RESIZE              = 41,
45 		ALLEGRO_EVENT_DISPLAY_CLOSE               = 42,
46 		ALLEGRO_EVENT_DISPLAY_LOST                = 43,
47 		ALLEGRO_EVENT_DISPLAY_FOUND               = 44,
48 		ALLEGRO_EVENT_DISPLAY_SWITCH_IN           = 45,
49 		ALLEGRO_EVENT_DISPLAY_SWITCH_OUT          = 46,
50 		ALLEGRO_EVENT_DISPLAY_ORIENTATION         = 47,
51 		ALLEGRO_EVENT_DISPLAY_HALT_DRAWING        = 48,
52 		ALLEGRO_EVENT_DISPLAY_RESUME_DRAWING      = 49,
53 
54 		ALLEGRO_EVENT_TOUCH_BEGIN                 = 50,
55 		ALLEGRO_EVENT_TOUCH_END                   = 51,
56 		ALLEGRO_EVENT_TOUCH_MOVE                  = 52,
57 		ALLEGRO_EVENT_TOUCH_CANCEL                = 53,
58 
59 		ALLEGRO_EVENT_DISPLAY_CONNECTED           = 60,
60 		ALLEGRO_EVENT_DISPLAY_DISCONNECTED        = 61
61 	}
62 }
63 
64 bool ALLEGRO_EVENT_TYPE_IS_USER(ALLEGRO_EVENT_TYPE t)
65 {
66 	return t >= 512;
67 }
68 
69 ALLEGRO_EVENT_TYPE ALLEGRO_GET_EVENT_TYPE(char a, char b, char c, char d)
70 {
71 	return AL_ID(a, b, c, d);
72 }
73 
74 package char[] _AL_EVENT_HEADER(in char[] src_type)
75 {
76 	return "ALLEGRO_EVENT_TYPE type;" ~ src_type ~ "* source; double timestamp;";
77 }
78 
79 extern (C)
80 {
81 	struct ALLEGRO_EVENT_SOURCE
82 	{
83 		int[32] __pad = void;
84 	}
85 	
86 	struct ALLEGRO_ANY_EVENT
87 	{
88 		mixin(_AL_EVENT_HEADER("ALLEGRO_EVENT_SOURCE"));
89 	}
90 	
91 	struct ALLEGRO_DISPLAY_EVENT
92 	{
93 		mixin(_AL_EVENT_HEADER("ALLEGRO_DISPLAY"));
94 		int x, y;
95 		int width, height;
96 		int orientation;
97 	}
98 
99 	struct ALLEGRO_JOYSTICK_EVENT
100 	{
101 		mixin(_AL_EVENT_HEADER("ALLEGRO_JOYSTICK"));
102 		ALLEGRO_JOYSTICK* id;
103 		int stick;
104 		int axis;
105 		float pos;
106 		int button;
107 	}
108 
109 	struct ALLEGRO_KEYBOARD_EVENT
110 	{
111 		mixin(_AL_EVENT_HEADER("ALLEGRO_KEYBOARD"));
112 		ALLEGRO_DISPLAY* display;  /* the window the key was pressed in */
113 		int keycode;               /* the physical key pressed */
114 		int unichar;               /* unicode character or negative */
115 		uint modifiers;            /* bitfield */
116 		bool repeat;               /* auto-repeated or not */
117 	}
118 
119 	struct ALLEGRO_MOUSE_EVENT
120 	{
121 		mixin(_AL_EVENT_HEADER("ALLEGRO_MOUSE"));
122 		ALLEGRO_DISPLAY* display;
123 		/* (display) Window the event originate from */
124 		/* (x, y) Primary mouse position */
125 		/* (z) Mouse wheel position (1D 'wheel'), or,  */
126 		/* (w, z) Mouse wheel position (2D 'ball') */
127 		int x,  y,  z, w;
128 		int dx, dy, dz, dw;
129 		uint button;
130 		float pressure;
131 	}
132 
133 	struct ALLEGRO_TIMER_EVENT
134 	{
135 		mixin(_AL_EVENT_HEADER("ALLEGRO_TIMER"));
136 		long count;
137 		double error;
138 	}
139 	
140 	struct ALLEGRO_TOUCH_EVENT
141 	{
142 	   mixin(_AL_EVENT_HEADER("ALLEGRO_TOUCH_INPUT"));
143 	   ALLEGRO_DISPLAY* display;
144 	   /* (id) Identifier of the event, always positive number.
145 		* (x, y) Touch position on the screen in 1:1 resolution.
146 		* (dx, dy) Relative touch position.
147 		* (primary) True, if touch is a primary one (usually first one).
148 		*/
149 	   int id;
150 	   float x, y;
151 	   float dx, dy;
152 	   bool primary;
153 	}
154 	
155 	struct ALLEGRO_USER_EVENT_DESCRIPTOR;
156 
157 	struct ALLEGRO_USER_EVENT
158 	{
159 		mixin(_AL_EVENT_HEADER("ALLEGRO_EVENT_SOURCE"));
160 		ALLEGRO_USER_EVENT_DESCRIPTOR* __internal__descr;
161 		intptr_t data1;
162 		intptr_t data2;
163 		intptr_t data3;
164 		intptr_t data4;
165 	}
166 	
167 	union ALLEGRO_EVENT
168 	{
169 		/* This must be the same as the first field of _AL_EVENT_HEADER.  */
170 		ALLEGRO_EVENT_TYPE type;
171 		
172 		ALLEGRO_ANY_EVENT      any;
173 		ALLEGRO_DISPLAY_EVENT  display;
174 		ALLEGRO_JOYSTICK_EVENT joystick;
175 		ALLEGRO_KEYBOARD_EVENT keyboard;
176 		ALLEGRO_MOUSE_EVENT    mouse;
177 		ALLEGRO_TIMER_EVENT    timer;
178 		ALLEGRO_TOUCH_EVENT    touch;
179 		ALLEGRO_USER_EVENT     user;
180 	}
181 	
182 	/* Event sources */
183 	void al_init_user_event_source(ALLEGRO_EVENT_SOURCE* src);
184 	void al_destroy_user_event_source(ALLEGRO_EVENT_SOURCE* src);
185 	/* The second argument is ALLEGRO_EVENT instead of ALLEGRO_USER_EVENT
186 	 * to prevent users passing a pointer to a too-short structure.
187 	 */
188 	bool al_emit_user_event(ALLEGRO_EVENT_SOURCE *, ALLEGRO_EVENT *, void function(ALLEGRO_USER_EVENT *) dtor);
189 	void al_unref_user_event(ALLEGRO_USER_EVENT *);
190 	void al_set_event_source_data(ALLEGRO_EVENT_SOURCE*, intptr_t data);
191 	intptr_t al_get_event_source_data(in ALLEGRO_EVENT_SOURCE*);
192 
193 	/* Event queues */
194 
195 	struct ALLEGRO_EVENT_QUEUE;
196 
197 	ALLEGRO_EVENT_QUEUE* al_create_event_queue();
198 	void al_destroy_event_queue(ALLEGRO_EVENT_QUEUE*);
199 	bool al_is_event_source_registered(ALLEGRO_EVENT_QUEUE *, ALLEGRO_EVENT_SOURCE *);
200 	void al_register_event_source(ALLEGRO_EVENT_QUEUE*, ALLEGRO_EVENT_SOURCE*);
201 	void al_unregister_event_source(ALLEGRO_EVENT_QUEUE*, ALLEGRO_EVENT_SOURCE*);
202 	void al_pause_event_queue(ALLEGRO_EVENT_QUEUE*, bool);
203 	bool al_is_event_queue_paused(in ALLEGRO_EVENT_QUEUE*);
204 	bool al_is_event_queue_empty(ALLEGRO_EVENT_QUEUE*);
205 	bool al_get_next_event(ALLEGRO_EVENT_QUEUE*, ALLEGRO_EVENT* ret_event);
206 	bool al_peek_next_event(ALLEGRO_EVENT_QUEUE*, ALLEGRO_EVENT* ret_event);
207 	bool al_drop_next_event(ALLEGRO_EVENT_QUEUE*);
208 	void al_flush_event_queue(ALLEGRO_EVENT_QUEUE*);
209 	void al_wait_for_event(ALLEGRO_EVENT_QUEUE*, ALLEGRO_EVENT* ret_event);
210 	bool al_wait_for_event_timed(ALLEGRO_EVENT_QUEUE*, ALLEGRO_EVENT* ret_event, float secs);
211 	bool al_wait_for_event_until(ALLEGRO_EVENT_QUEUE* queue, ALLEGRO_EVENT* ret_event, ALLEGRO_TIMEOUT* timeout);
212 }