summaryrefslogtreecommitdiff
path: root/src/gui/sdlinput.cpp
blob: 8405dda90e676157b6c9f9a53627ead476259f5c (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
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
/*
 *  The ManaPlus Client
 *  Copyright (C) 2011-2015  The ManaPlus Developers
 *
 *  This file is part of The ManaPlus Client.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/*      _______   __   __   __   ______   __   __   _______   __   __
 *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
 *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
 *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
 *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
 *
 * Copyright (c) 2004, 2005, 2006, 2007 Olof Naessén and Per Larsson
 * Copyright (C) 2007-2010  The Mana World Development Team
 *
 *                                                         Js_./
 * Per Larsson a.k.a finalman                          _RqZ{a<^_aa
 * Olof Naessén 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 "sdlshared.h"

#include "input/inputmanager.h"

#include "gui/sdlinput.h"

#include "render/graphics.h"

#ifdef USE_SDL2
#include "gui/gui.h"
#endif

#include <SDL_keyboard.h>
#include <SDL_timer.h>

#include "debug.h"

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

KeyInput SDLInput::dequeueKeyInput()
{
    if (mKeyInputQueue.empty())
        return KeyInput();

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

    return keyInput;
}

MouseInput SDLInput::dequeueMouseInput()
{
    MouseInput mouseInput;

    if (mMouseInputQueue.empty())
        return MouseInput();

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

    return mouseInput;
}

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

    switch (event.type)
    {
        case SDL_KEYDOWN:
        {
            keyInput.setType(KeyEventType::PRESSED);
            convertKeyEventToKey(event, keyInput);
            mKeyInputQueue.push(keyInput);
            break;
        }

        case SDL_KEYUP:
        {
            keyInput.setType(KeyEventType::RELEASED);
            convertKeyEventToKey(event, keyInput);
            mKeyInputQueue.push(keyInput);
            break;
        }

#ifdef USE_SDL2
        case SDL_TEXTINPUT:
            keyInput.setType(KeyEventType::PRESSED);
            keyInput.setKey(Key(Key::TEXTINPUT));
            keyInput.setText(event.text.text);
            mKeyInputQueue.push(keyInput);
            break;

        case SDL_MOUSEWHEEL:
        {
            const int y = event.wheel.y;
            if (y)
            {
                mouseInput.setX(gui->getLastMouseX());
                mouseInput.setY(gui->getLastMouseY());
#ifdef ANDROID
                mouseInput.setReal(0, 0);
#endif
                mouseInput.setButton(MouseButton::WHEEL);
                if (y > 0)
                    mouseInput.setType(MouseEventType::WHEEL_MOVED_UP);
                else
                    mouseInput.setType(MouseEventType::WHEEL_MOVED_DOWN);
                mouseInput.setTimeStamp(SDL_GetTicks());
                mMouseInputQueue.push(mouseInput);
            }

            break;
        }
#endif

#ifdef ANDROID
#ifndef USE_SDL2
        case SDL_ACCELEROMETER:
            break;
#endif
#endif

        case SDL_MOUSEBUTTONDOWN:
        {
            mMouseDown = true;
            const int scale = mainGraphics->getScale();
            const int x = event.button.x / scale;
            const int y = event.button.y / scale;
            mouseInput.setX(x);
            mouseInput.setY(y);
#ifdef ANDROID
#ifdef USE_SDL2
            mouseInput.setReal(x, y);
#else
            mouseInput.setReal(event.button.realx / scale,
                event.button.realy / scale);
#endif
#endif
            mouseInput.setButton(convertMouseButton(event.button.button));

#ifndef USE_SDL2
            if (event.button.button == SDL_BUTTON_WHEELDOWN)
                mouseInput.setType(MouseEventType::WHEEL_MOVED_DOWN);
            else if (event.button.button == SDL_BUTTON_WHEELUP)
                mouseInput.setType(MouseEventType::WHEEL_MOVED_UP);
            else
#endif
                mouseInput.setType(MouseEventType::PRESSED);
            mouseInput.setTimeStamp(SDL_GetTicks());
            mMouseInputQueue.push(mouseInput);
            break;
        }
        case SDL_MOUSEBUTTONUP:
        {
            mMouseDown = false;
            const int scale = mainGraphics->getScale();
            const int x = event.button.x / scale;
            const int y = event.button.y / scale;
            mouseInput.setX(x);
            mouseInput.setY(y);
#ifdef ANDROID
#ifdef USE_SDL2
            mouseInput.setReal(x, y);
#else
            mouseInput.setReal(event.button.realx / scale,
                event.button.realy / scale);
#endif
#endif
            mouseInput.setButton(convertMouseButton(event.button.button));
            mouseInput.setType(MouseEventType::RELEASED);
            mouseInput.setTimeStamp(SDL_GetTicks());
            mMouseInputQueue.push(mouseInput);
            break;
        }
        case SDL_MOUSEMOTION:
        {
            const int scale = mainGraphics->getScale();
            const int x = event.motion.x / scale;
            const int y = event.motion.y / scale;
            mouseInput.setX(x);
            mouseInput.setY(y);
#ifdef ANDROID
#ifdef USE_SDL2
            mouseInput.setReal(x, y);
#else
            mouseInput.setReal(event.motion.realx / scale,
                event.motion.realy / scale);
#endif
#endif
            mouseInput.setButton(MouseButton::EMPTY);
            mouseInput.setType(MouseEventType::MOVED);
            mouseInput.setTimeStamp(SDL_GetTicks());
            mMouseInputQueue.push(mouseInput);
            break;
        }
#ifndef USE_SDL2
        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(MouseButton::EMPTY);
                    mouseInput.setType(MouseEventType::MOVED);
                    mMouseInputQueue.push(mouseInput);
                }
            }

            if ((event.active.state & SDL_APPMOUSEFOCUS) && event.active.gain)
                mMouseInWindow = true;
            break;
#endif
        default:
            break;
    }  // end switch
    BLOCK_END("SDLInput::pushInput")
}

void SDLInput::convertKeyEventToKey(const SDL_Event &event, KeyInput &keyInput)
{
    keyInput.setKey(Key(convertKeyCharacter(event)));
    const InputActionT actionId = inputManager.getActionByKey(event);
    if (actionId > InputActionT::NO_VALUE)
        keyInput.setActionId(actionId);
}

MouseButtonT SDLInput::convertMouseButton(const int button)
{
    switch (button)
    {
        case SDL_BUTTON_LEFT:
            return MouseButton::LEFT;
        case SDL_BUTTON_RIGHT:
            return MouseButton::RIGHT;
        case SDL_BUTTON_MIDDLE:
            return MouseButton::MIDDLE;
#ifndef USE_SDL2
        case SDL_BUTTON_WHEELUP:
        case SDL_BUTTON_WHEELDOWN:
            return MouseButton::EMPTY;
#endif
        default:
            // We have an unknown mouse type which is ignored.
            logger->log("unknown button type: %d", button);
            return MouseButton::EMPTY;
    }
}

int SDLInput::convertKeyCharacter(const SDL_Event &event)
{
    const SDL_keysym keysym = event.key.keysym;
#ifdef USE_SDL2
    int value = keysym.scancode;
#else
    int value = keysym.unicode;
#endif

    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.
#ifndef USE_SDL2
          if (event.type == SDL_KEYUP || keysym.unicode == ' ')
#endif
          {
              value = Key::SPACE;
          }
          break;
      case SDLK_ESCAPE:
#ifdef USE_SDL2
      case SDLK_AC_BACK:
#endif
          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;
#ifndef USE_SDL2
      case SDLK_LSUPER:
          value = Key::LEFT_SUPER;
          break;
      case SDLK_RSUPER:
          value = Key::RIGHT_SUPER;
          break;
#endif
      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 (!(static_cast<unsigned int>(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;
}

void SDLInput::simulateMouseClick(const int x, const int y,
                                  const MouseButtonT button)
{
    MouseInput mouseInput;
    mouseInput.setX(x);
    mouseInput.setY(y);
    mouseInput.setReal(x, y);
    mouseInput.setButton(button);
    mouseInput.setType(MouseEventType::PRESSED);
    mouseInput.setTimeStamp(SDL_GetTicks());
    mMouseInputQueue.push(mouseInput);
    mouseInput.setType(MouseEventType::RELEASED);
    mouseInput.setTimeStamp(SDL_GetTicks());
    mMouseInputQueue.push(mouseInput);
}