summaryrefslogtreecommitdiff
path: root/src/gui/sdlinput.cpp
blob: ce59f47fdefcf26a306d45101879d43025a52250 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
/*      _______   __   __   __   ______   __   __   _______   __   __
 *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
 *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
 *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
 *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
 *
 * Copyright (c) 2004, 2005, 2006, 2007 Olof Naess�n and Per Larsson
 * Copyright (C) 2007-2010  The Mana World Development Team
 * Copyright (C) 2011-2012  The ManaPlus Developers
 *
 *                                                         Js_./
 * Per Larsson a.k.a finalman                          _RqZ{a<^_aa
 * Olof Naess�n a.k.a jansem/yakslem                _asww7!uY`>  )\a//
 *                                                 _Qhm`] _f "'c  1!5m
 * Visit: http://guichan.darkbits.org             )Qk<P ` _: :+' .'  "{[
 *                                               .)j(] .d_/ '-(  P .   S
 * License: (BSD)                                <Td/Z <fP"5(\"??"\a.  .L
 * Redistribution and use in source and          _dV>ws?a-?'      ._/L  #'
 * binary forms, with or without                 )4d[#7r, .   '     )d`)[
 * modification, are permitted provided         _Q-5'5W..j/?'   -?!\)cam'
 * that the following conditions are met:       j<<WP+k/);.        _W=j f
 * 1. Redistributions of source code must       .$%w\/]Q  . ."'  .  mj$
 *    retain the above copyright notice,        ]E.pYY(Q]>.   a     J@\
 *    this list of conditions and the           j(]1u<sE"L,. .   ./^ ]{a
 *    following disclaimer.                     4'_uomm\.  )L);-4     (3=
 * 2. Redistributions in binary form must        )_]X{Z('a_"a7'<a"a,  ]"[
 *    reproduce the above copyright notice,       #}<]m7`Za??4,P-"'7. ).m
 *    this list of conditions and the            ]d2e)Q(<Q(  ?94   b-  LQ/
 *    following disclaimer in the                <B!</]C)d_, '(<' .f. =C+m
 *    documentation and/or other materials      .Z!=J ]e []('-4f _ ) -.)m]'
 *    provided with the distribution.          .w[5]' _[ /.)_-"+?   _/ <W"
 * 3. Neither the name of Guichan nor the      :$we` _! + _/ .        j?
 *    names of its contributors may be used     =3)= _f  (_yQmWW$#(    "
 *    to endorse or promote products derived     -   W,  sQQQQmZQ#Wwa]..
 *    from this software without specific        (js, \[QQW$QWW#?!V"".
 *    prior written permission.                    ]y:.<\..          .
 *                                                 -]n w/ '         [.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT       )/ )/           !
 * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY         <  (; sac    ,    '
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,               ]^ .-  %
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF            c <   r
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR            aga<  <La
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE          5%  )P'-3L
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR        _bQf` y`..)a
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,          ,J?4P'.P"_(\?d'.,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES               _Pa,)!f/<[]/  ?"
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT      _2-..:. .r+_,.. .
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,     ?a.<%"'  " -'.a_ _,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION)                     ^
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "gui/sdlinput.h"

#include "keydata.h"
#include "keyinput.h"

#include "inputmanager.h"

#include <guichan/exception.hpp>

SDLInput::SDLInput() :
    mMouseDown(false),
    mMouseInWindow(true)
{
}

bool SDLInput::isKeyQueueEmpty()
{
    return mKeyInputQueue.empty();
}

KeyInput SDLInput::dequeueKeyInput2()
{
    KeyInput keyInput;

    if (mKeyInputQueue.empty())
    {
        throw GCN_EXCEPTION("The queue is empty.");
    }

    keyInput = mKeyInputQueue.front();
    mKeyInputQueue.pop();

    return keyInput;
}

bool SDLInput::isMouseQueueEmpty()
{
    return mMouseInputQueue.empty();
}

gcn::MouseInput SDLInput::dequeueMouseInput()
{
    gcn::MouseInput mouseInput;

    if (mMouseInputQueue.empty())
    {
        throw GCN_EXCEPTION("The queue is empty.");
    }

    mouseInput = mMouseInputQueue.front();
    mMouseInputQueue.pop();

    return mouseInput;
}

void SDLInput::pushInput(const SDL_Event &event)
{
    KeyInput keyInput;
    gcn::MouseInput mouseInput;

    switch (event.type)
    {
        case SDL_KEYDOWN:
        {
            keyInput.setKey(gcn::Key(convertKeyCharacter(event)));
            keyInput.setType(gcn::KeyInput::PRESSED);
            keyInput.setShiftPressed(event.key.keysym.mod & KMOD_SHIFT);
            keyInput.setControlPressed(event.key.keysym.mod & KMOD_CTRL);
            keyInput.setAltPressed(event.key.keysym.mod & KMOD_ALT);
            keyInput.setMetaPressed(event.key.keysym.mod & KMOD_META);
            keyInput.setNumericPad(event.key.keysym.sym >= SDLK_KP0
                                   && event.key.keysym.sym <= SDLK_KP_EQUALS);
            const int actionId = inputManager.getActionByKey(event);
            if (actionId >= 0)
                keyInput.setActionId(actionId);
            mKeyInputQueue.push(keyInput);
            break;
        }

        case SDL_KEYUP:
        {
            keyInput.setKey(gcn::Key(convertKeyCharacter(event)));
            keyInput.setType(gcn::KeyInput::RELEASED);
            keyInput.setShiftPressed(event.key.keysym.mod & KMOD_SHIFT);
            keyInput.setControlPressed(event.key.keysym.mod & KMOD_CTRL);
            keyInput.setAltPressed(event.key.keysym.mod & KMOD_ALT);
            keyInput.setMetaPressed(event.key.keysym.mod & KMOD_META);
            keyInput.setNumericPad(event.key.keysym.sym >= SDLK_KP0
                                   && event.key.keysym.sym <= SDLK_KP_EQUALS);
            const int actionId = inputManager.getActionByKey(event);
            if (actionId >= 0)
                keyInput.setActionId(actionId);
            mKeyInputQueue.push(keyInput);
            break;
        }

        case SDL_MOUSEBUTTONDOWN:
            mMouseDown = true;
            mouseInput.setX(event.button.x);
            mouseInput.setY(event.button.y);
            mouseInput.setButton(convertMouseButton(event.button.button));

            if (event.button.button == SDL_BUTTON_WHEELDOWN)
                mouseInput.setType(gcn::MouseInput::WHEEL_MOVED_DOWN);
            else if (event.button.button == SDL_BUTTON_WHEELUP)
                mouseInput.setType(gcn::MouseInput::WHEEL_MOVED_UP);
            else
                mouseInput.setType(gcn::MouseInput::PRESSED);
            mouseInput.setTimeStamp(SDL_GetTicks());
            mMouseInputQueue.push(mouseInput);
            break;

        case SDL_MOUSEBUTTONUP:
            mMouseDown = false;
            mouseInput.setX(event.button.x);
            mouseInput.setY(event.button.y);
            mouseInput.setButton(convertMouseButton(event.button.button));
            mouseInput.setType(gcn::MouseInput::RELEASED);
            mouseInput.setTimeStamp(SDL_GetTicks());
            mMouseInputQueue.push(mouseInput);
            break;

        case SDL_MOUSEMOTION:
            mouseInput.setX(event.button.x);
            mouseInput.setY(event.button.y);
            mouseInput.setButton(gcn::MouseInput::EMPTY);
            mouseInput.setType(gcn::MouseInput::MOVED);
            mouseInput.setTimeStamp(SDL_GetTicks());
            mMouseInputQueue.push(mouseInput);
            break;

        case SDL_ACTIVEEVENT:
            /*
             * This occurs when the mouse leaves the window and the Gui-chan
             * application loses its mousefocus.
             */
            if ((event.active.state & SDL_APPMOUSEFOCUS)
                && !event.active.gain)
            {
                mMouseInWindow = false;

                if (!mMouseDown)
                {
                    mouseInput.setX(-1);
                    mouseInput.setY(-1);
                    mouseInput.setButton(gcn::MouseInput::EMPTY);
                    mouseInput.setType(gcn::MouseInput::MOVED);
                    mMouseInputQueue.push(mouseInput);
                }
            }

            if ((event.active.state & SDL_APPMOUSEFOCUS)
                && event.active.gain)
            {
                mMouseInWindow = true;
            }
            break;

        default:
            break;

    } // end switch
}

int SDLInput::convertMouseButton(const int button)
{
    switch (button)
    {
      case SDL_BUTTON_LEFT:
          return gcn::MouseInput::LEFT;
      case SDL_BUTTON_RIGHT:
          return gcn::MouseInput::RIGHT;
      case SDL_BUTTON_MIDDLE:
          return gcn::MouseInput::MIDDLE;
      default:
          // We have an unknown mouse type which is ignored.
          return button;
    }
}

int SDLInput::convertKeyCharacter(const SDL_Event &event)
{
    const SDL_keysym keysym = event.key.keysym;

    int value = keysym.unicode;

    switch (keysym.sym)
    {
      case SDLK_TAB:
          value = Key::TAB;
          break;
      case SDLK_LALT:
          value = Key::LEFT_ALT;
          break;
      case SDLK_RALT:
          value = Key::RIGHT_ALT;
          break;
      case SDLK_LSHIFT:
          value = Key::LEFT_SHIFT;
          break;
      case SDLK_RSHIFT:
          value = Key::RIGHT_SHIFT;
          break;
      case SDLK_LCTRL:
          value = Key::LEFT_CONTROL;
          break;
      case SDLK_RCTRL:
          value = Key::RIGHT_CONTROL;
          break;
      case SDLK_BACKSPACE:
          value = Key::BACKSPACE;
          break;
      case SDLK_PAUSE:
          value = Key::PAUSE;
          break;
      case SDLK_SPACE:
          // Special characters like ~ (tilde) ends up
          // with the keysym.sym SDLK_SPACE which
          // without this check would be lost. The check
          // is only valid on key down events in SDL.
          if (event.type == SDL_KEYUP || keysym.unicode == ' ')
          {
              value = Key::SPACE;
          }
          break;
      case SDLK_ESCAPE:
          value = Key::ESCAPE;
          break;
      case SDLK_DELETE:
          value = Key::DELETE_;
          break;
      case SDLK_INSERT:
          value = Key::INSERT;
          break;
      case SDLK_HOME:
          value = Key::HOME;
          break;
      case SDLK_END:
          value = Key::END;
          break;
      case SDLK_PAGEUP:
          value = Key::PAGE_UP;
          break;
      case SDLK_PRINT:
          value = Key::PRINT_SCREEN;
          break;
      case SDLK_PAGEDOWN:
          value = Key::PAGE_DOWN;
          break;
      case SDLK_F1:
          value = Key::F1;
          break;
      case SDLK_F2:
          value = Key::F2;
          break;
      case SDLK_F3:
          value = Key::F3;
          break;
      case SDLK_F4:
          value = Key::F4;
          break;
      case SDLK_F5:
          value = Key::F5;
          break;
      case SDLK_F6:
          value = Key::F6;
          break;
      case SDLK_F7:
          value = Key::F7;
          break;
      case SDLK_F8:
          value = Key::F8;
          break;
      case SDLK_F9:
          value = Key::F9;
          break;
      case SDLK_F10:
          value = Key::F10;
          break;
      case SDLK_F11:
          value = Key::F11;
          break;
      case SDLK_F12:
          value = Key::F12;
          break;
      case SDLK_F13:
          value = Key::F13;
          break;
      case SDLK_F14:
          value = Key::F14;
          break;
      case SDLK_F15:
          value = Key::F15;
          break;
      case SDLK_NUMLOCK:
          value = Key::NUM_LOCK;
          break;
      case SDLK_CAPSLOCK:
          value = Key::CAPS_LOCK;
          break;
      case SDLK_SCROLLOCK:
          value = Key::SCROLL_LOCK;
          break;
      case SDLK_RMETA:
          value = Key::RIGHT_META;
          break;
      case SDLK_LMETA:
          value = Key::LEFT_META;
          break;
      case SDLK_LSUPER:
          value = Key::LEFT_SUPER;
          break;
      case SDLK_RSUPER:
          value = Key::RIGHT_SUPER;
          break;
      case SDLK_MODE:
          value = Key::ALT_GR;
          break;
      case SDLK_UP:
          value = Key::UP;
          break;
      case SDLK_DOWN:
          value = Key::DOWN;
          break;
      case SDLK_LEFT:
          value = Key::LEFT;
          break;
      case SDLK_RIGHT:
          value = Key::RIGHT;
          break;
      case SDLK_RETURN:
          value = Key::ENTER;
          break;
      case SDLK_KP_ENTER:
          value = Key::ENTER;
          break;

      default:
          break;
    }

    if (!(keysym.mod & KMOD_NUM))
    {
        switch (keysym.sym)
        {
          case SDLK_KP0:
              value = Key::INSERT;
              break;
          case SDLK_KP1:
              value = Key::END;
              break;
          case SDLK_KP2:
              value = Key::DOWN;
              break;
          case SDLK_KP3:
              value = Key::PAGE_DOWN;
              break;
          case SDLK_KP4:
              value = Key::LEFT;
              break;
          case SDLK_KP5:
              value = 0;
              break;
          case SDLK_KP6:
              value = Key::RIGHT;
              break;
          case SDLK_KP7:
              value = Key::HOME;
              break;
          case SDLK_KP8:
              value = Key::UP;
              break;
          case SDLK_KP9:
              value = Key::PAGE_UP;
              break;
          default:
              break;
        }
    }

    return value;
}