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comparison ext/guichan-0.8.1/src/sdl/sdlinput.cpp @ 0:4a0efb7baf70

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* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
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-1:000000000000 0:4a0efb7baf70
1 /* _______ __ __ __ ______ __ __ _______ __ __
2 * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
3 * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
4 * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
5 * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
6 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
7 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
8 *
9 * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
10 *
11 *
12 * Per Larsson a.k.a finalman
13 * Olof Naessén a.k.a jansem/yakslem
14 *
15 * Visit: http://guichan.sourceforge.net
16 *
17 * License: (BSD)
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
20 * are met:
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in
25 * the documentation and/or other materials provided with the
26 * distribution.
27 * 3. Neither the name of Guichan nor the names of its contributors may
28 * be used to endorse or promote products derived from this software
29 * without specific prior written permission.
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
36 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
37 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
38 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
39 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
40 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
41 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 */
43
44 /*
45 * For comments regarding functions please see the header file.
46 */
47
48 #include "guichan/sdl/sdlinput.hpp"
49
50 #include "guichan/exception.hpp"
51
52 namespace gcn
53 {
54 SDLInput::SDLInput()
55 {
56 mMouseInWindow = true;
57 mMouseDown = false;
58 }
59
60 bool SDLInput::isKeyQueueEmpty()
61 {
62 return mKeyInputQueue.empty();
63 }
64
65 KeyInput SDLInput::dequeueKeyInput()
66 {
67 KeyInput keyInput;
68
69 if (mKeyInputQueue.empty())
70 {
71 throw GCN_EXCEPTION("The queue is empty.");
72 }
73
74 keyInput = mKeyInputQueue.front();
75 mKeyInputQueue.pop();
76
77 return keyInput;
78 }
79
80 bool SDLInput::isMouseQueueEmpty()
81 {
82 return mMouseInputQueue.empty();
83 }
84
85 MouseInput SDLInput::dequeueMouseInput()
86 {
87 MouseInput mouseInput;
88
89 if (mMouseInputQueue.empty())
90 {
91 throw GCN_EXCEPTION("The queue is empty.");
92 }
93
94 mouseInput = mMouseInputQueue.front();
95 mMouseInputQueue.pop();
96
97 return mouseInput;
98 }
99
100 void SDLInput::pushInput(SDL_Event event)
101 {
102 KeyInput keyInput;
103 MouseInput mouseInput;
104
105 switch (event.type)
106 {
107 case SDL_KEYDOWN:
108 {
109 int value = convertSDLEventToGuichanKeyValue(event);
110
111 if (value == -1)
112 {
113 value = (int)event.key.keysym.unicode;
114 }
115
116 keyInput.setKey(Key(value));
117 keyInput.setType(KeyInput::PRESSED);
118 keyInput.setShiftPressed(event.key.keysym.mod & KMOD_SHIFT);
119 keyInput.setControlPressed(event.key.keysym.mod & KMOD_CTRL);
120 keyInput.setAltPressed(event.key.keysym.mod & KMOD_ALT);
121 keyInput.setMetaPressed(event.key.keysym.mod & KMOD_META);
122 keyInput.setNumericPad(event.key.keysym.sym >= SDLK_KP0
123 && event.key.keysym.sym <= SDLK_KP_EQUALS);
124
125 mKeyInputQueue.push(keyInput);
126 break;
127 }
128
129 case SDL_KEYUP:
130 {
131 int value = convertSDLEventToGuichanKeyValue(event);
132
133 if (value == -1)
134 {
135 value = (int)event.key.keysym.sym;
136 }
137
138 keyInput.setKey(Key(value));
139 keyInput.setType(KeyInput::RELEASED);
140 keyInput.setShiftPressed(event.key.keysym.mod & KMOD_SHIFT);
141 keyInput.setControlPressed(event.key.keysym.mod & KMOD_CTRL);
142 keyInput.setAltPressed(event.key.keysym.mod & KMOD_ALT);
143 keyInput.setMetaPressed(event.key.keysym.mod & KMOD_META);
144 keyInput.setNumericPad(event.key.keysym.sym >= SDLK_KP0
145 && event.key.keysym.sym <= SDLK_KP_EQUALS);
146
147 mKeyInputQueue.push(keyInput);
148 break;
149 }
150
151 case SDL_MOUSEBUTTONDOWN:
152 mMouseDown = true;
153 mouseInput.setX(event.button.x);
154 mouseInput.setY(event.button.y);
155 mouseInput.setButton(convertMouseButton(event.button.button));
156
157 if (event.button.button == SDL_BUTTON_WHEELDOWN)
158 {
159 mouseInput.setType(MouseInput::WHEEL_MOVED_DOWN);
160 }
161 else if (event.button.button == SDL_BUTTON_WHEELUP)
162 {
163 mouseInput.setType(MouseInput::WHEEL_MOVED_UP);
164 }
165 else
166 {
167 mouseInput.setType(MouseInput::PRESSED);
168 }
169 mouseInput.setTimeStamp(SDL_GetTicks());
170 mMouseInputQueue.push(mouseInput);
171 break;
172
173 case SDL_MOUSEBUTTONUP:
174 mMouseDown = false;
175 mouseInput.setX(event.button.x);
176 mouseInput.setY(event.button.y);
177 mouseInput.setButton(convertMouseButton(event.button.button));
178 mouseInput.setType(MouseInput::RELEASED);
179 mouseInput.setTimeStamp(SDL_GetTicks());
180 mMouseInputQueue.push(mouseInput);
181 break;
182
183 case SDL_MOUSEMOTION:
184 mouseInput.setX(event.button.x);
185 mouseInput.setY(event.button.y);
186 mouseInput.setButton(MouseInput::EMPTY);
187 mouseInput.setType(MouseInput::MOVED);
188 mouseInput.setTimeStamp(SDL_GetTicks());
189 mMouseInputQueue.push(mouseInput);
190 break;
191
192 case SDL_ACTIVEEVENT:
193 /*
194 * This occurs when the mouse leaves the window and the Gui-chan
195 * application loses its mousefocus.
196 */
197 if ((event.active.state & SDL_APPMOUSEFOCUS)
198 && !event.active.gain)
199 {
200 mMouseInWindow = false;
201
202 if (!mMouseDown)
203 {
204 mouseInput.setX(-1);
205 mouseInput.setY(-1);
206 mouseInput.setButton(MouseInput::EMPTY);
207 mouseInput.setType(MouseInput::MOVED);
208 mMouseInputQueue.push(mouseInput);
209 }
210 }
211
212 if ((event.active.state & SDL_APPMOUSEFOCUS)
213 && event.active.gain)
214 {
215 mMouseInWindow = true;
216 }
217 break;
218
219 } // end switch
220 }
221
222 int SDLInput::convertMouseButton(int button)
223 {
224 switch (button)
225 {
226 case SDL_BUTTON_LEFT:
227 return MouseInput::LEFT;
228 break;
229 case SDL_BUTTON_RIGHT:
230 return MouseInput::RIGHT;
231 break;
232 case SDL_BUTTON_MIDDLE:
233 return MouseInput::MIDDLE;
234 break;
235 default:
236 // We have an unknown mouse type which is ignored.
237 return button;
238 }
239 }
240
241 int SDLInput::convertSDLEventToGuichanKeyValue(SDL_Event event)
242 {
243 int value = -1;
244
245 switch (event.key.keysym.sym)
246 {
247 case SDLK_TAB:
248 value = Key::TAB;
249 break;
250 case SDLK_LALT:
251 value = Key::LEFT_ALT;
252 break;
253 case SDLK_RALT:
254 value = Key::RIGHT_ALT;
255 break;
256 case SDLK_LSHIFT:
257 value = Key::LEFT_SHIFT;
258 break;
259 case SDLK_RSHIFT:
260 value = Key::RIGHT_SHIFT;
261 break;
262 case SDLK_LCTRL:
263 value = Key::LEFT_CONTROL;
264 break;
265 case SDLK_RCTRL:
266 value = Key::RIGHT_CONTROL;
267 break;
268 case SDLK_BACKSPACE:
269 value = Key::BACKSPACE;
270 break;
271 case SDLK_PAUSE:
272 value = Key::PAUSE;
273 break;
274 case SDLK_SPACE:
275 // Special characters like ~ (tilde) ends up
276 // with the keysym.sym SDLK_SPACE which
277 // without this check would be lost. The check
278 // is only valid on key down events in SDL.
279 if (event.type == SDL_KEYUP || event.key.keysym.unicode == ' ')
280 {
281 value = Key::SPACE;
282 }
283 break;
284 case SDLK_ESCAPE:
285 value = Key::ESCAPE;
286 break;
287 case SDLK_DELETE:
288 value = Key::DELETE;
289 break;
290 case SDLK_INSERT:
291 value = Key::INSERT;
292 break;
293 case SDLK_HOME:
294 value = Key::HOME;
295 break;
296 case SDLK_END:
297 value = Key::END;
298 break;
299 case SDLK_PAGEUP:
300 value = Key::PAGE_UP;
301 break;
302 case SDLK_PRINT:
303 value = Key::PRINT_SCREEN;
304 break;
305 case SDLK_PAGEDOWN:
306 value = Key::PAGE_DOWN;
307 break;
308 case SDLK_F1:
309 value = Key::F1;
310 break;
311 case SDLK_F2:
312 value = Key::F2;
313 break;
314 case SDLK_F3:
315 value = Key::F3;
316 break;
317 case SDLK_F4:
318 value = Key::F4;
319 break;
320 case SDLK_F5:
321 value = Key::F5;
322 break;
323 case SDLK_F6:
324 value = Key::F6;
325 break;
326 case SDLK_F7:
327 value = Key::F7;
328 break;
329 case SDLK_F8:
330 value = Key::F8;
331 break;
332 case SDLK_F9:
333 value = Key::F9;
334 break;
335 case SDLK_F10:
336 value = Key::F10;
337 break;
338 case SDLK_F11:
339 value = Key::F11;
340 break;
341 case SDLK_F12:
342 value = Key::F12;
343 break;
344 case SDLK_F13:
345 value = Key::F13;
346 break;
347 case SDLK_F14:
348 value = Key::F14;
349 break;
350 case SDLK_F15:
351 value = Key::F15;
352 break;
353 case SDLK_NUMLOCK:
354 value = Key::NUM_LOCK;
355 break;
356 case SDLK_CAPSLOCK:
357 value = Key::CAPS_LOCK;
358 break;
359 case SDLK_SCROLLOCK:
360 value = Key::SCROLL_LOCK;
361 break;
362 case SDLK_RMETA:
363 value = Key::RIGHT_META;
364 break;
365 case SDLK_LMETA:
366 value = Key::LEFT_META;
367 break;
368 case SDLK_LSUPER:
369 value = Key::LEFT_SUPER;
370 break;
371 case SDLK_RSUPER:
372 value = Key::RIGHT_SUPER;
373 break;
374 case SDLK_MODE:
375 value = Key::ALT_GR;
376 break;
377 case SDLK_UP:
378 value = Key::UP;
379 break;
380 case SDLK_DOWN:
381 value = Key::DOWN;
382 break;
383 case SDLK_LEFT:
384 value = Key::LEFT;
385 break;
386 case SDLK_RIGHT:
387 value = Key::RIGHT;
388 break;
389 case SDLK_RETURN:
390 value = Key::ENTER;
391 break;
392 case SDLK_KP_ENTER:
393 value = Key::ENTER;
394 break;
395
396 default:
397 break;
398 }
399
400 if (!(event.key.keysym.mod & KMOD_NUM))
401 {
402 switch (event.key.keysym.sym)
403 {
404 case SDLK_KP0:
405 value = Key::INSERT;
406 break;
407 case SDLK_KP1:
408 value = Key::END;
409 break;
410 case SDLK_KP2:
411 value = Key::DOWN;
412 break;
413 case SDLK_KP3:
414 value = Key::PAGE_DOWN;
415 break;
416 case SDLK_KP4:
417 value = Key::LEFT;
418 break;
419 case SDLK_KP5:
420 value = 0;
421 break;
422 case SDLK_KP6:
423 value = Key::RIGHT;
424 break;
425 case SDLK_KP7:
426 value = Key::HOME;
427 break;
428 case SDLK_KP8:
429 value = Key::UP;
430 break;
431 case SDLK_KP9:
432 value = Key::PAGE_UP;
433 break;
434 default:
435 break;
436 }
437 }
438
439 return value;
440 }
441 }