/
SDL_ph_events.c
590 lines (513 loc) · 18.8 KB
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2004 Sam Lantinga
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Sam Lantinga
20
slouken@libsdl.org
21
22
23
24
25
26
27
28
29
*/
#ifdef SAVE_RCSID
static char rcsid =
"@(#) $Id$";
#endif
/* Handle the event stream, converting photon events into SDL events */
30
31
#define DISABLE_X11
32
33
34
35
#include <stdio.h>
#include <setjmp.h>
#include <sys/time.h>
36
37
38
#include <Ph.h>
#include <photon/PkKeyDef.h>
39
40
41
42
43
44
45
46
47
#include "SDL.h"
#include "SDL_syswm.h"
#include "SDL_sysevents.h"
#include "SDL_sysvideo.h"
#include "SDL_events_c.h"
#include "SDL_ph_video.h"
#include "SDL_ph_modes_c.h"
#include "SDL_ph_image_c.h"
#include "SDL_ph_events_c.h"
48
49
#include "SDL_phyuv_c.h"
50
51
52
53
54
55
56
57
58
59
60
/* The translation tables from a photon keysym to a SDL keysym */
static SDLKey ODD_keymap[256];
static SDLKey MISC_keymap[0xFF + 1];
SDL_keysym *ph_TranslateKey(PhKeyEvent_t *key, SDL_keysym *keysym);
/* Check to see if this is a repeated key.
(idea shamelessly lifted from GII -- thanks guys! :)
*/
61
static int ph_WarpedMotion(_THIS, PhEvent_t *winEvent)
62
{
63
PhRect_t *rect = PhGetRects( winEvent );
64
65
66
67
68
int centre_x, centre_y;
int dx, dy;
short abs_x, abs_y;
int posted;
69
70
71
centre_x = SDL_VideoSurface->w / 2;
centre_y = SDL_VideoSurface->h / 2;
72
73
74
dx = rect->ul.x - centre_x;
dy = rect->ul.y - centre_y;
75
76
posted = SDL_PrivateMouseMotion( 0, 1, dx, dy );
77
78
79
80
/* Move mouse cursor to middle of the window */
PtGetAbsPosition( window, &abs_x, &abs_y );
PhMoveCursorAbs(PhInputGroup(NULL), abs_x + centre_x, abs_y + centre_y);
81
82
return (posted);
83
84
}
85
86
/* Control which motion flags the window has set, a flags value of -1 sets
* MOTION_BUTTON and MOTION_NOBUTTON */
87
88
89
static void set_motion_sensitivity(_THIS, unsigned int flags)
{
90
91
92
int rid;
int fields = Ph_EV_PTR_MOTION_BUTTON | Ph_EV_PTR_MOTION_NOBUTTON;
PhRegion_t region;
93
94
95
if( window )
{
96
97
rid = PtWidgetRid(window);
if( rid != 0 && PhRegionQuery(rid, ®ion, NULL, NULL, 0) == 0 )
98
99
100
101
102
{
region.events_sense=(region.events_sense & ~fields)|(flags & fields);
PhRegionChange(Ph_REGION_EV_SENSE, 0, ®ion, NULL, NULL);
}
}
103
104
105
}
/* Convert the photon button state value to an SDL value */
106
static Uint8 ph2sdl_mousebutton(unsigned short button_state)
107
{
108
Uint8 mouse_button = 0;
109
110
111
112
113
114
115
if (button_state & Ph_BUTTON_SELECT)
mouse_button |= SDL_BUTTON_LEFT;
if (button_state & Ph_BUTTON_MENU)
mouse_button |= SDL_BUTTON_RIGHT;
if (button_state & Ph_BUTTON_ADJUST)
mouse_button |= SDL_BUTTON_MIDDLE;
116
117
return (mouse_button);
118
119
}
120
121
// void* PtAppCreateContext();
122
123
static int ph_DispatchEvent(_THIS)
{
124
125
126
127
128
129
130
int posted;
PhRect_t* rect;
PhPointerEvent_t* pointerEvent;
PhKeyEvent_t* keyEvent;
PhWindowEvent_t* winEvent;
int i, buttons;
SDL_Rect sdlrects[50];
131
132
posted = 0;
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
switch (event->type)
{
case Ph_EV_BOUNDARY:
{
if (event->subtype == Ph_EV_PTR_ENTER)
{
posted = SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
}
else if (event->subtype ==Ph_EV_PTR_LEAVE)
{
posted = SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
}
}
break;
case Ph_EV_PTR_MOTION_BUTTON:
case Ph_EV_PTR_MOTION_NOBUTTON:
{
if (SDL_VideoSurface)
{
pointerEvent = PhGetData(event);
rect = PhGetRects(event);
if (mouse_relative)
{
posted = ph_WarpedMotion(this, event);
}
else
{
posted = SDL_PrivateMouseMotion(0, 0, rect->ul.x, rect->ul.y);
}
}
}
break;
case Ph_EV_BUT_PRESS:
{
pointerEvent = PhGetData( event );
buttons = ph2sdl_mousebutton( pointerEvent->buttons );
if (buttons != 0)
{
posted = SDL_PrivateMouseButton(SDL_PRESSED, buttons, 0, 0);
}
}
break;
case Ph_EV_BUT_RELEASE:
{
pointerEvent = PhGetData(event);
buttons = ph2sdl_mousebutton(pointerEvent->buttons);
if (event->subtype == Ph_EV_RELEASE_REAL && buttons != 0)
{
posted = SDL_PrivateMouseButton(SDL_RELEASED, buttons, 0, 0);
}
else if(event->subtype == Ph_EV_RELEASE_PHANTOM)
{
/* If the mouse is outside the window,
* only a phantom release event is sent, so
* check if the window doesn't have mouse focus.
* Not perfect, maybe checking the mouse button
* state for Ph_EV_BOUNDARY events would be
* better. */
if ((SDL_GetAppState() & SDL_APPMOUSEFOCUS) == 0)
197
{
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
posted = SDL_PrivateMouseButton(SDL_RELEASED, buttons, 0, 0);
}
}
}
break;
case Ph_EV_WM:
{
winEvent = PhGetData(event);
/* losing focus */
if ((winEvent->event_f==Ph_WM_FOCUS) && (winEvent->event_state==Ph_WM_EVSTATE_FOCUSLOST))
{
set_motion_sensitivity(this, Ph_EV_PTR_MOTION_BUTTON);
posted = SDL_PrivateAppActive(0, SDL_APPINPUTFOCUS);
}
/* gaining focus */
else if ((winEvent->event_f==Ph_WM_FOCUS) && (winEvent->event_state==Ph_WM_EVSTATE_FOCUS))
{
set_motion_sensitivity(this, -1);
posted = SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS);
}
220
/* quit request */
221
222
223
224
else if (winEvent->event_f==Ph_WM_CLOSE)
{
posted = SDL_PrivateQuit();
}
225
/* hide/unhide request */
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
else if (winEvent->event_f==Ph_WM_HIDE)
{
if (currently_hided)
{
/* got unhide window event */
/* TODO: restore application's palette if in palette mode */
currently_hided=0;
}
else
{
/* got hide window event */
/* TODO: restore original palette if in palette mode */
currently_hided=1;
}
}
241
242
243
/* request to resize */
else if (winEvent->event_f==Ph_WM_RESIZE)
{
244
SDL_PrivateResize(winEvent->size.w+1, winEvent->size.h+1);
245
}
246
247
248
249
250
251
252
/* request to move */
else if (winEvent->event_f==Ph_WM_MOVE)
{
if (current_overlay!=NULL)
{
int lockedstate=current_overlay->hwdata->locked;
int chromastate=current_overlay->hwdata->ischromakey;
253
int error;
254
255
256
257
258
259
260
261
SDL_Rect target;
current_overlay->hwdata->locked=1;
target.x=current_overlay->hwdata->CurrentViewPort.pos.x;
target.y=current_overlay->hwdata->CurrentViewPort.pos.y;
target.w=current_overlay->hwdata->CurrentViewPort.size.w;
target.h=current_overlay->hwdata->CurrentViewPort.size.h;
current_overlay->hwdata->ischromakey=0;
262
263
264
265
266
267
error=ph_DisplayYUVOverlay(this, current_overlay, &target);
if (!error)
{
current_overlay->hwdata->ischromakey=chromastate;
current_overlay->hwdata->locked=lockedstate;
}
268
269
}
}
270
/* maximize request */
271
272
else if (winEvent->event_f==Ph_WM_MAX)
{
273
/* window already moved and resized here */
274
currently_maximized=1;
275
}
276
/* restore request */
277
278
else if (winEvent->event_f==Ph_WM_RESTORE)
{
279
280
/* window already moved and resized here */
currently_maximized=0;
281
282
283
284
285
286
287
}
}
break;
/* window has been resized, moved or removed */
case Ph_EV_EXPOSE:
{
288
if (event->num_rects!=0)
289
{
290
if (SDL_VideoSurface)
291
{
292
293
rect = PhGetRects(event);
294
for(i=0; i<event->num_rects; i++)
295
296
297
298
299
300
301
302
303
304
305
306
{
sdlrects[i].x = rect[i].ul.x;
sdlrects[i].y = rect[i].ul.y;
sdlrects[i].w = rect[i].lr.x - rect[i].ul.x + 1;
sdlrects[i].h = rect[i].lr.y - rect[i].ul.y + 1;
}
this->UpdateRects(this, event->num_rects, sdlrects);
if (current_overlay!=NULL)
{
int lockedstate=current_overlay->hwdata->locked;
307
int error;
308
309
310
311
312
313
314
315
SDL_Rect target;
current_overlay->hwdata->locked=1;
target.x=current_overlay->hwdata->CurrentViewPort.pos.x;
target.y=current_overlay->hwdata->CurrentViewPort.pos.y;
target.w=current_overlay->hwdata->CurrentViewPort.size.w;
target.h=current_overlay->hwdata->CurrentViewPort.size.h;
current_overlay->hwdata->forcedredraw=1;
316
317
318
319
320
321
error=ph_DisplayYUVOverlay(this, current_overlay, &target);
if (!error)
{
current_overlay->hwdata->forcedredraw=0;
current_overlay->hwdata->locked=lockedstate;
}
322
}
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
}
}
}
break;
case Ph_EV_KEY:
{
SDL_keysym keysym;
posted = 0;
keyEvent = PhGetData( event );
if (Pk_KF_Key_Down & keyEvent->key_flags)
{
338
339
340
341
342
343
344
345
346
347
348
/* split the wheel events from real key events */
if ((keyEvent->key_cap==Pk_Up) && (keyEvent->key_scan==0) && ((keyEvent->key_flags & Pk_KF_Scan_Valid)==Pk_KF_Scan_Valid))
{
posted = SDL_PrivateMouseButton(SDL_PRESSED, SDL_BUTTON_WHEELUP, 0, 0);
break;
}
if ((keyEvent->key_cap==Pk_Down) && (keyEvent->key_scan==0) && ((keyEvent->key_flags & Pk_KF_Scan_Valid)==Pk_KF_Scan_Valid))
{
posted = SDL_PrivateMouseButton(SDL_PRESSED, SDL_BUTTON_WHEELDOWN, 0, 0);
break;
}
349
350
351
352
posted = SDL_PrivateKeyboard(SDL_PRESSED, ph_TranslateKey(keyEvent, &keysym));
}
else /* must be key release */
{
353
354
355
356
357
358
359
360
361
362
363
/* split the wheel events from real key events */
if ((keyEvent->key_cap==Pk_Up) && (keyEvent->key_scan==0) && ((keyEvent->key_flags & Pk_KF_Scan_Valid)==Pk_KF_Scan_Valid))
{
posted = SDL_PrivateMouseButton(SDL_RELEASED, SDL_BUTTON_WHEELUP, 0, 0);
break;
}
if ((keyEvent->key_cap==Pk_Down) && (keyEvent->key_scan==0) && ((keyEvent->key_flags & Pk_KF_Scan_Valid)==Pk_KF_Scan_Valid))
{
posted = SDL_PrivateMouseButton(SDL_RELEASED, SDL_BUTTON_WHEELDOWN, 0, 0);
break;
}
364
365
366
367
posted = SDL_PrivateKeyboard(SDL_RELEASED, ph_TranslateKey( keyEvent, &keysym));
}
}
break;
368
369
370
371
372
case Ph_EV_INFO:
{
}
break;
373
374
375
}
return(posted);
376
377
378
379
380
}
/* perform a blocking read if no events available */
int ph_Pending(_THIS)
{
381
382
383
/* Flush the display connection and look to see if events are queued */
PgFlush();
384
385
386
while (1)
{
switch(PhEventPeek(event, EVENT_SIZE))
387
388
{
case Ph_EVENT_MSG:
389
390
return 1;
break;
391
392
case -1:
perror("ph_Pending(): PhEventNext failed");
393
break;
394
395
default:
return 0;
396
397
}
}
398
399
400
/* Oh well, nothing is ready .. */
return(0);
401
402
403
404
}
void ph_PumpEvents(_THIS)
{
405
406
407
408
409
/* Flush the display connection and look to see if events are queued */
PgFlush();
while (ph_Pending(this))
{
410
PtEventHandler(event);
411
412
ph_DispatchEvent(this);
}
413
414
415
416
}
void ph_InitKeymap(void)
{
417
418
419
420
int i;
/* Odd keys used in international keyboards */
for (i=0; i<SDL_TABLESIZE(ODD_keymap); ++i)
421
{
422
ODD_keymap[i] = SDLK_UNKNOWN;
423
}
424
425
426
/* Map the miscellaneous keys */
for (i=0; i<SDL_TABLESIZE(MISC_keymap); ++i)
427
{
428
MISC_keymap[i] = SDLK_UNKNOWN;
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
MISC_keymap[Pk_BackSpace&0xFF] = SDLK_BACKSPACE;
MISC_keymap[Pk_Tab&0xFF] = SDLK_TAB;
MISC_keymap[Pk_Clear&0xFF] = SDLK_CLEAR;
MISC_keymap[Pk_Return&0xFF] = SDLK_RETURN;
MISC_keymap[Pk_Pause&0xFF] = SDLK_PAUSE;
MISC_keymap[Pk_Escape&0xFF] = SDLK_ESCAPE;
MISC_keymap[Pk_Delete&0xFF] = SDLK_DELETE;
MISC_keymap[Pk_KP_0&0xFF] = SDLK_KP0;
MISC_keymap[Pk_KP_1&0xFF] = SDLK_KP1;
MISC_keymap[Pk_KP_2&0xFF] = SDLK_KP2;
MISC_keymap[Pk_KP_3&0xFF] = SDLK_KP3;
MISC_keymap[Pk_KP_4&0xFF] = SDLK_KP4;
MISC_keymap[Pk_KP_5&0xFF] = SDLK_KP5;
MISC_keymap[Pk_KP_6&0xFF] = SDLK_KP6;
MISC_keymap[Pk_KP_7&0xFF] = SDLK_KP7;
MISC_keymap[Pk_KP_8&0xFF] = SDLK_KP8;
MISC_keymap[Pk_KP_9&0xFF] = SDLK_KP9;
MISC_keymap[Pk_KP_Decimal&0xFF] = SDLK_KP_PERIOD;
MISC_keymap[Pk_KP_Divide&0xFF] = SDLK_KP_DIVIDE;
MISC_keymap[Pk_KP_Multiply&0xFF] = SDLK_KP_MULTIPLY;
MISC_keymap[Pk_KP_Subtract&0xFF] = SDLK_KP_MINUS;
MISC_keymap[Pk_KP_Add&0xFF] = SDLK_KP_PLUS;
MISC_keymap[Pk_KP_Enter&0xFF] = SDLK_KP_ENTER;
MISC_keymap[Pk_KP_Equal&0xFF] = SDLK_KP_EQUALS;
MISC_keymap[Pk_Up&0xFF] = SDLK_UP;
MISC_keymap[Pk_Down&0xFF] = SDLK_DOWN;
MISC_keymap[Pk_Right&0xFF] = SDLK_RIGHT;
MISC_keymap[Pk_Left&0xFF] = SDLK_LEFT;
MISC_keymap[Pk_Insert&0xFF] = SDLK_INSERT;
MISC_keymap[Pk_Home&0xFF] = SDLK_HOME;
MISC_keymap[Pk_End&0xFF] = SDLK_END;
MISC_keymap[Pk_Pg_Up&0xFF] = SDLK_PAGEUP;
MISC_keymap[Pk_Pg_Down&0xFF] = SDLK_PAGEDOWN;
MISC_keymap[Pk_F1&0xFF] = SDLK_F1;
MISC_keymap[Pk_F2&0xFF] = SDLK_F2;
MISC_keymap[Pk_F3&0xFF] = SDLK_F3;
MISC_keymap[Pk_F4&0xFF] = SDLK_F4;
MISC_keymap[Pk_F5&0xFF] = SDLK_F5;
MISC_keymap[Pk_F6&0xFF] = SDLK_F6;
MISC_keymap[Pk_F7&0xFF] = SDLK_F7;
MISC_keymap[Pk_F8&0xFF] = SDLK_F8;
MISC_keymap[Pk_F9&0xFF] = SDLK_F9;
MISC_keymap[Pk_F10&0xFF] = SDLK_F10;
MISC_keymap[Pk_F11&0xFF] = SDLK_F11;
MISC_keymap[Pk_F12&0xFF] = SDLK_F12;
MISC_keymap[Pk_F13&0xFF] = SDLK_F13;
MISC_keymap[Pk_F14&0xFF] = SDLK_F14;
MISC_keymap[Pk_F15&0xFF] = SDLK_F15;
MISC_keymap[Pk_Num_Lock&0xFF] = SDLK_NUMLOCK;
MISC_keymap[Pk_Caps_Lock&0xFF] = SDLK_CAPSLOCK;
MISC_keymap[Pk_Scroll_Lock&0xFF] = SDLK_SCROLLOCK;
MISC_keymap[Pk_Shift_R&0xFF] = SDLK_RSHIFT;
MISC_keymap[Pk_Shift_L&0xFF] = SDLK_LSHIFT;
MISC_keymap[Pk_Control_R&0xFF] = SDLK_RCTRL;
MISC_keymap[Pk_Control_L&0xFF] = SDLK_LCTRL;
MISC_keymap[Pk_Alt_R&0xFF] = SDLK_RALT;
MISC_keymap[Pk_Alt_L&0xFF] = SDLK_LALT;
MISC_keymap[Pk_Meta_R&0xFF] = SDLK_RMETA;
MISC_keymap[Pk_Meta_L&0xFF] = SDLK_LMETA;
495
496
MISC_keymap[Pk_Super_L&0xFF] = SDLK_LSUPER;
MISC_keymap[Pk_Super_R&0xFF] = SDLK_RSUPER;
497
498
499
500
501
MISC_keymap[Pk_Mode_switch&0xFF] = SDLK_MODE; /* "Alt Gr" key */
MISC_keymap[Pk_Help&0xFF] = SDLK_HELP;
MISC_keymap[Pk_Print&0xFF] = SDLK_PRINT;
MISC_keymap[Pk_Break&0xFF] = SDLK_BREAK;
502
503
504
505
506
507
MISC_keymap[Pk_Menu&0xFF] = SDLK_MENU; /* Windows "Menu" key */
MISC_keymap[Pk_Hyper_R&0xFF] = SDLK_RSUPER; /* Right "Windows" */
/* Left "Windows" key, but it can't be catched by application */
MISC_keymap[Pk_Hyper_L&0xFF] = SDLK_LSUPER;
508
509
510
511
512
513
}
static unsigned long cap;
SDL_keysym *ph_TranslateKey(PhKeyEvent_t *key, SDL_keysym *keysym)
{
514
515
516
517
518
519
520
/* 'sym' is set to the value of the key with modifiers applied to it.
This member is valid only if Pk_KF_Sym_Valid is set in the key_flags.
We will assume it is valid. */
/* FIXME: This needs to check whether the cap & scancode is valid */
cap = key->key_cap;
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
549
550
551
552
553
554
555
556
557
switch (cap>>8)
{
case 0x00: /* Latin 1 */
case 0x01: /* Latin 2 */
case 0x02: /* Latin 3 */
case 0x03: /* Latin 4 */
case 0x04: /* Katakana */
case 0x05: /* Arabic */
case 0x06: /* Cyrillic */
case 0x07: /* Greek */
case 0x08: /* Technical */
case 0x0A: /* Publishing */
case 0x0C: /* Hebrew */
case 0x0D: /* Thai */
keysym->sym = (SDLKey)(cap&0xFF);
/* Map capital letter syms to lowercase */
if ((keysym->sym >= 'A')&&(keysym->sym <= 'Z'))
keysym->sym += ('a'-'A');
break;
case 0xF0:
keysym->sym = MISC_keymap[cap&0xFF];
break;
default:
keysym->sym = SDLK_UNKNOWN;
break;
}
keysym->scancode = key->key_scan;
keysym->unicode = 0;
if (SDL_TranslateUNICODE)
{
char utf8[MB_CUR_MAX];
int utf8len;
wchar_t unicode;
558
switch (keysym->scancode)
559
{
560
/* Esc key */
561
562
case 0x01: keysym->unicode = 27;
break;
563
564
565
566
567
568
/* BackSpace key */
case 0x0E: keysym->unicode = 127;
break;
/* Enter key */
case 0x1C: keysym->unicode = 10;
break;
569
570
571
572
default:
utf8len = PhKeyToMb(utf8, key);
if (utf8len > 0)
{
573
utf8len = mbtowc(&unicode, utf8, utf8len);
574
575
576
577
578
579
if (utf8len > 0)
{
keysym->unicode = unicode;
}
}
break;
580
}
581
582
583
584
}
return (keysym);
585
586
587
588
}
void ph_InitOSKeymap(_THIS)
{
589
ph_InitKeymap();
590
}