This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_gf_input.c
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
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2009 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
QNX Graphics Framework SDL driver
Copyright (C) 2009 Mike Gorchak
(mike@malva.ua, lestat@i.com.ua)
*/
#include "SDL_gf_input.h"
#include "SDL_config.h"
#include "SDL_events.h"
#include "../../events/SDL_mouse_c.h"
#include "../../events/SDL_keyboard_c.h"
/* Include QNX HIDDI definitions */
#include "SDL_hiddi_keyboard.h"
#include "SDL_hiddi_mouse.h"
#include "SDL_hiddi_joystick.h"
/* Mouse related functions */
40
41
42
43
SDL_Cursor *gf_createcursor(SDL_Surface * surface, int hot_x, int hot_y);
int gf_showcursor(SDL_Cursor * cursor);
void gf_movecursor(SDL_Cursor * cursor);
void gf_freecursor(SDL_Cursor * cursor);
44
void gf_warpmouse(SDL_Mouse * mouse, SDL_Window * window, int x, int y);
45
void gf_freemouse(SDL_Mouse * mouse);
46
47
48
49
50
/* HIDDI interacting functions */
static int32_t hiddi_connect_devices();
static int32_t hiddi_disconnect_devices();
51
52
int32_t
gf_addinputdevices(_THIS)
54
55
56
57
58
59
60
61
62
SDL_VideoData *gfdata = (SDL_VideoData *) _this->driverdata;
SDL_DisplayData *didata;
struct SDL_Mouse gf_mouse;
SDL_Keyboard gf_keyboard;
SDLKey keymap[SDL_NUM_SCANCODES];
SDL_MouseData *mdata;
uint32_t it;
for (it = 0; it < _this->num_displays; it++) {
63
64
SDL_VideoDisplay *display = &_this->displays[it];
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
/* Clear SDL mouse structure */
SDL_memset(&gf_mouse, 0x00, sizeof(struct SDL_Mouse));
/* Allocate SDL_MouseData structure */
mdata = (SDL_MouseData *) SDL_calloc(1, sizeof(SDL_MouseData));
if (mdata == NULL) {
SDL_OutOfMemory();
return -1;
}
/* Mark this mouse with ID 0 */
gf_mouse.id = it;
gf_mouse.driverdata = (void *) mdata;
gf_mouse.CreateCursor = gf_createcursor;
gf_mouse.ShowCursor = gf_showcursor;
gf_mouse.MoveCursor = gf_movecursor;
gf_mouse.FreeCursor = gf_freecursor;
gf_mouse.WarpMouse = gf_warpmouse;
gf_mouse.FreeMouse = gf_freemouse;
/* Get display data */
86
didata = (SDL_DisplayData *) display->driverdata;
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
/* Store SDL_DisplayData pointer in the mouse driver internals */
mdata->didata = didata;
/* Set cursor pos to 0,0 to avoid cursor disappearing in some drivers */
gf_cursor_set_pos(didata->display, 0, 0, 0);
/* Register mouse cursor in SDL */
SDL_AddMouse(&gf_mouse, "GF mouse cursor", 0, 0, 1);
}
/* Keyboard could be one only */
SDL_zero(gf_keyboard);
SDL_AddKeyboard(&gf_keyboard, -1);
/* Add scancode to key mapping, HIDDI uses USB HID codes, so */
/* map will be exact one-to-one */
SDL_GetDefaultKeymap(keymap);
SDL_SetKeymap(0, 0, keymap, SDL_NUM_SCANCODES);
/* Connect to HID server and enumerate all input devices */
hiddi_connect_devices();
return 0;
113
114
int32_t
gf_delinputdevices(_THIS)
116
117
/* Disconnect from HID server and release input devices */
hiddi_disconnect_devices();
119
120
/* Delete keyboard */
SDL_KeyboardQuit();
122
123
/* Destroy all of the mice */
SDL_MouseQuit();
124
125
126
127
128
}
/*****************************************************************************/
/* GF Mouse related functions */
/*****************************************************************************/
129
130
SDL_Cursor *
gf_createcursor(SDL_Surface * surface, int hot_x, int hot_y)
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
gf_cursor_t *internal_cursor;
SDL_Cursor *sdl_cursor;
uint8_t *image0 = NULL;
uint8_t *image1 = NULL;
uint32_t it;
uint32_t jt;
uint32_t shape_color;
/* SDL converts monochrome cursor shape to 32bpp cursor shape */
/* and we must convert it back to monochrome, this routine handles */
/* 24/32bpp surfaces only */
if ((surface->format->BitsPerPixel != 32)
&& (surface->format->BitsPerPixel != 24)) {
SDL_SetError("GF: Cursor shape is not 24/32bpp.");
return NULL;
}
/* Since GF is not checking data, we must check */
if ((surface->w == 0) || (surface->h == 0)) {
SDL_SetError("GF: Cursor shape dimensions are zero");
return NULL;
}
/* Allocate memory for the internal cursor format */
internal_cursor = (gf_cursor_t *) SDL_calloc(1, sizeof(gf_cursor_t));
if (internal_cursor == NULL) {
SDL_OutOfMemory();
return NULL;
}
/* Allocate memory for the SDL cursor */
sdl_cursor = (SDL_Cursor *) SDL_calloc(1, sizeof(SDL_Cursor));
if (sdl_cursor == NULL) {
SDL_free(internal_cursor);
SDL_OutOfMemory();
return NULL;
}
/* Allocate two monochrome images */
image0 = (uint8_t *) SDL_calloc(1, ((surface->w + 7) / 8) * surface->h);
if (image0 == NULL) {
SDL_free(sdl_cursor);
SDL_free(internal_cursor);
SDL_OutOfMemory();
return NULL;
}
image1 = (uint8_t *) SDL_calloc(1, ((surface->w + 7) >> 3) * surface->h);
if (image1 == NULL) {
SDL_free(image0);
SDL_free(sdl_cursor);
SDL_free(internal_cursor);
SDL_OutOfMemory();
return NULL;
}
/* Set driverdata as GF cursor format */
sdl_cursor->driverdata = (void *) internal_cursor;
internal_cursor->type = GF_CURSOR_BITMAP;
internal_cursor->hotspot.x = hot_x;
internal_cursor->hotspot.y = hot_y;
internal_cursor->cursor.bitmap.w = surface->w;
internal_cursor->cursor.bitmap.h = surface->h;
internal_cursor->cursor.bitmap.color0 = SDL_GF_MOUSE_COLOR_BLACK;
internal_cursor->cursor.bitmap.color1 = SDL_GF_MOUSE_COLOR_WHITE;
/* Setup cursor shape images */
internal_cursor->cursor.bitmap.stride = ((surface->w + 7) >> 3);
internal_cursor->cursor.bitmap.image0 = image0;
internal_cursor->cursor.bitmap.image1 = image1;
/* Convert cursor from 32 bpp */
for (jt = 0; jt < surface->h; jt++) {
for (it = 0; it < surface->w; it++) {
shape_color =
*((uint32_t *) ((uint8_t *) surface->pixels +
jt * surface->pitch +
it * surface->format->BytesPerPixel));
switch (shape_color) {
210
case SDL_GF_MOUSE_COLOR_BLACK:
211
212
213
214
215
216
217
{
*(image0 + jt * (internal_cursor->cursor.bitmap.stride) +
(it >> 3)) |= 0x80 >> (it % 8);
*(image1 + jt * (internal_cursor->cursor.bitmap.stride) +
(it >> 3)) &= ~(0x80 >> (it % 8));
}
break;
218
case SDL_GF_MOUSE_COLOR_WHITE:
219
220
221
222
223
224
225
{
*(image0 + jt * (internal_cursor->cursor.bitmap.stride) +
(it >> 3)) &= ~(0x80 >> (it % 8));
*(image1 + jt * (internal_cursor->cursor.bitmap.stride) +
(it >> 3)) |= 0x80 >> (it % 8);
}
break;
226
case SDL_GF_MOUSE_COLOR_TRANS:
227
228
229
230
231
232
233
{
*(image0 + jt * (internal_cursor->cursor.bitmap.stride) +
(it >> 3)) &= ~(0x80 >> (it % 8));
*(image1 + jt * (internal_cursor->cursor.bitmap.stride) +
(it >> 3)) &= ~(0x80 >> (it % 8));
}
break;
235
{
236
/* The same as transparent color, must not happen */
237
238
239
240
241
242
243
244
245
246
247
*(image0 + jt * (internal_cursor->cursor.bitmap.stride) +
(it >> 3)) &= ~(0x80 >> (it % 8));
*(image1 + jt * (internal_cursor->cursor.bitmap.stride) +
(it >> 3)) &= ~(0x80 >> (it % 8));
}
break;
}
}
}
return sdl_cursor;
250
251
int
gf_showcursor(SDL_Cursor * cursor)
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
SDL_VideoDisplay *display;
SDL_DisplayData *didata;
SDL_Window *window;
SDL_WindowID window_id;
gf_cursor_t *internal_cursor;
int32_t status;
/* Get current window id */
window_id = SDL_GetFocusWindow();
if (window_id <= 0) {
SDL_MouseData *mdata = NULL;
/* If there is no current window, then someone calls this function */
/* to set global mouse settings during SDL initialization */
if (cursor != NULL) {
mdata = (SDL_MouseData *) cursor->mouse->driverdata;
didata = (SDL_DisplayData *) mdata->didata;
if ((didata == NULL) || (mdata == NULL)) {
return;
273
274
275
276
277
278
279
280
} else {
/* We can't get SDL_DisplayData at this point, return fake success */
return 0;
}
} else {
/* Sanity checks */
window = SDL_GetWindowFromID(window_id);
if (window != NULL) {
281
display = window->display;
282
283
284
285
286
287
288
289
290
if (display != NULL) {
didata = (SDL_DisplayData *) display->driverdata;
if (didata == NULL) {
return -1;
}
} else {
return -1;
}
} else {
292
293
294
295
296
297
298
299
300
}
}
/* Check if we need to set new shape or disable cursor shape */
if (cursor != NULL) {
/* Retrieve GF cursor shape */
internal_cursor = (gf_cursor_t *) cursor->driverdata;
if (internal_cursor == NULL) {
SDL_SetError("GF: Internal cursor data is absent");
302
303
304
305
}
if ((internal_cursor->cursor.bitmap.image0 == NULL) ||
(internal_cursor->cursor.bitmap.image1 == NULL)) {
SDL_SetError("GF: Cursor shape is absent");
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
}
/* Store last shown cursor to display data */
didata->cursor.type = internal_cursor->type;
didata->cursor.hotspot.x = internal_cursor->hotspot.x;
didata->cursor.hotspot.y = internal_cursor->hotspot.y;
if (internal_cursor->cursor.bitmap.w > SDL_VIDEO_GF_MAX_CURSOR_SIZE) {
didata->cursor.cursor.bitmap.w = SDL_VIDEO_GF_MAX_CURSOR_SIZE;
} else {
didata->cursor.cursor.bitmap.w = internal_cursor->cursor.bitmap.w;
}
if (didata->cursor.cursor.bitmap.h > SDL_VIDEO_GF_MAX_CURSOR_SIZE) {
didata->cursor.cursor.bitmap.h = SDL_VIDEO_GF_MAX_CURSOR_SIZE;
} else {
didata->cursor.cursor.bitmap.h = internal_cursor->cursor.bitmap.h;
}
didata->cursor.cursor.bitmap.color0 =
internal_cursor->cursor.bitmap.color0;
didata->cursor.cursor.bitmap.color1 =
internal_cursor->cursor.bitmap.color1;
didata->cursor.cursor.bitmap.stride =
internal_cursor->cursor.bitmap.stride;
SDL_memcpy(didata->cursor.cursor.bitmap.image0,
internal_cursor->cursor.bitmap.image0,
((internal_cursor->cursor.bitmap.w +
7) / (sizeof(uint8_t) * 8)) *
internal_cursor->cursor.bitmap.h);
SDL_memcpy(didata->cursor.cursor.bitmap.image1,
internal_cursor->cursor.bitmap.image1,
((internal_cursor->cursor.bitmap.w +
7) / (sizeof(uint8_t) * 8)) *
internal_cursor->cursor.bitmap.h);
/* Setup cursor shape */
status = gf_cursor_set(didata->display, 0, internal_cursor);
if (status != GF_ERR_OK) {
if (status != GF_ERR_NOSUPPORT) {
SDL_SetError("GF: Can't set hardware cursor shape");
return -1;
}
}
/* Enable just set cursor */
status = gf_cursor_enable(didata->display, 0);
if (status != GF_ERR_OK) {
if (status != GF_ERR_NOSUPPORT) {
SDL_SetError("GF: Can't enable hardware cursor");
return -1;
}
}
/* Set cursor visible */
didata->cursor_visible = SDL_TRUE;
} else {
/* SDL requests to disable cursor */
status = gf_cursor_disable(didata->display, 0);
if (status != GF_ERR_OK) {
if (status != GF_ERR_NOSUPPORT) {
SDL_SetError("GF: Can't disable hardware cursor");
return -1;
}
}
372
373
374
/* Set cursor invisible */
didata->cursor_visible = SDL_FALSE;
}
376
377
/* New cursor shape is set */
return 0;
380
381
void
gf_movecursor(SDL_Cursor * cursor)
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
SDL_VideoDisplay *display;
SDL_DisplayData *didata;
SDL_Window *window;
SDL_WindowID window_id;
int32_t status;
uint32_t xmax;
uint32_t ymax;
/* Get current window id */
window_id = SDL_GetFocusWindow();
if (window_id <= 0) {
didata = (SDL_DisplayData *) cursor->mouse->driverdata;
if (didata == NULL) {
return;
}
} else {
/* Sanity checks */
window = SDL_GetWindowFromID(window_id);
if (window != NULL) {
402
display = window->display;
403
404
405
406
407
408
409
if (display != NULL) {
didata = (SDL_DisplayData *) display->driverdata;
if (didata == NULL) {
return;
}
} else {
return;
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
} else {
return;
}
}
/* Add checks for out of screen bounds position */
if (cursor->mouse->x < 0) {
cursor->mouse->x = 0;
}
if (cursor->mouse->y < 0) {
cursor->mouse->y = 0;
}
/* Get window size to clamp maximum coordinates */
SDL_GetWindowSize(window_id, &xmax, &ymax);
if (cursor->mouse->x >= xmax) {
cursor->mouse->x = xmax - 1;
}
if (cursor->mouse->y >= ymax) {
cursor->mouse->y = ymax - 1;
}
status =
gf_cursor_set_pos(didata->display, 0, cursor->mouse->x,
cursor->mouse->y);
if (status != GF_ERR_OK) {
if (status != GF_ERR_NOSUPPORT) {
SDL_SetError("GF: Can't set hardware cursor position");
440
441
}
}
444
445
void
gf_freecursor(SDL_Cursor * cursor)
447
448
449
450
451
452
453
454
455
456
457
458
459
460
gf_cursor_t *internal_cursor;
if (cursor != NULL) {
internal_cursor = (gf_cursor_t *) cursor->driverdata;
if (internal_cursor != NULL) {
if (internal_cursor->cursor.bitmap.image0 != NULL) {
SDL_free((uint8_t *) internal_cursor->cursor.bitmap.image0);
}
if (internal_cursor->cursor.bitmap.image1 != NULL) {
SDL_free((uint8_t *) internal_cursor->cursor.bitmap.image1);
}
SDL_free(internal_cursor);
}
}
463
void
464
gf_warpmouse(SDL_Mouse * mouse, SDL_Window * window, int x, int y)
466
467
468
469
470
471
472
473
SDL_VideoDisplay *display;
SDL_DisplayData *didata;
uint32_t xmax;
uint32_t ymax;
int32_t status;
/* Sanity checks */
if (window != NULL) {
474
display = window->display;
475
476
477
478
479
480
if (display != NULL) {
didata = (SDL_DisplayData *) display->driverdata;
if (didata == NULL) {
return;
}
} else {
482
483
484
485
486
487
488
489
490
491
492
493
494
495
}
} else {
return;
}
/* Add checks for out of screen bounds position */
if (x < 0) {
x = 0;
}
if (y < 0) {
y = 0;
}
/* Get window size to clamp maximum coordinates */
496
SDL_GetWindowSize(window, &xmax, &ymax);
497
498
499
500
501
502
503
504
505
506
507
508
509
510
if (x >= xmax) {
x = xmax - 1;
}
if (y >= ymax) {
y = ymax - 1;
}
status = gf_cursor_set_pos(didata->display, 0, x, y);
if (status != GF_ERR_OK) {
if (status != GF_ERR_NOSUPPORT) {
SDL_SetError("GF: Can't set hardware cursor position");
return;
}
}
513
514
void
gf_freemouse(SDL_Mouse * mouse)
516
517
518
if (mouse->driverdata == NULL) {
return;
}
520
521
522
/* Mouse framework doesn't deletes automatically our driverdata */
SDL_free(mouse->driverdata);
mouse->driverdata = NULL;
524
return;
525
526
527
528
529
530
531
}
/*****************************************************************************/
/* HIDDI handlers code */
/*****************************************************************************/
static key_packet key_last_state[SDL_HIDDI_MAX_DEVICES];
532
533
534
static void
hiddi_keyboard_handler(uint32_t devno, uint8_t * report_data,
uint32_t report_len)
536
537
538
539
540
541
542
543
544
545
546
547
548
549
key_packet *packet;
uint32_t it;
uint32_t jt;
packet = (key_packet *) report_data;
/* Check for special states */
switch (report_len) {
case 8: /* 8 bytes of report length */
{
for (it = 0; it < 6; it++) {
/* Check for keyboard overflow, when it can't handle */
/* many simultaneous pressed keys */
if (packet->codes[it] == HIDDI_KEY_OVERFLOW) {
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
}
}
}
break;
default:
{
/* Do not process unknown reports */
return;
}
break;
}
/* Check if modifier key was pressed */
if (packet->modifiers != key_last_state[devno].modifiers) {
if (((packet->modifiers & HIDDI_MKEY_LEFT_CTRL) ==
HIDDI_MKEY_LEFT_CTRL)
&& (key_last_state[devno].modifiers & HIDDI_MKEY_LEFT_CTRL) == 0) {
/* Left Ctrl key was pressed */
SDL_SendKeyboardKey(0, SDL_PRESSED, SDL_SCANCODE_LCTRL);
}
if (((packet->modifiers & HIDDI_MKEY_LEFT_CTRL) == 0) &&
(key_last_state[devno].modifiers & HIDDI_MKEY_LEFT_CTRL) ==
HIDDI_MKEY_LEFT_CTRL) {
/* Left Ctrl key was released */
SDL_SendKeyboardKey(0, SDL_RELEASED, SDL_SCANCODE_LCTRL);
}
if (((packet->modifiers & HIDDI_MKEY_LEFT_SHIFT) ==
HIDDI_MKEY_LEFT_SHIFT)
&& (key_last_state[devno].modifiers & HIDDI_MKEY_LEFT_SHIFT) == 0) {
/* Left Shift key was pressed */
SDL_SendKeyboardKey(0, SDL_PRESSED, SDL_SCANCODE_LSHIFT);
}
if (((packet->modifiers & HIDDI_MKEY_LEFT_SHIFT) == 0) &&
(key_last_state[devno].modifiers & HIDDI_MKEY_LEFT_SHIFT) ==
HIDDI_MKEY_LEFT_SHIFT) {
/* Left Shift key was released */
SDL_SendKeyboardKey(0, SDL_RELEASED, SDL_SCANCODE_LSHIFT);
}
if (((packet->modifiers & HIDDI_MKEY_LEFT_ALT) == HIDDI_MKEY_LEFT_ALT)
&& (key_last_state[devno].modifiers & HIDDI_MKEY_LEFT_ALT) == 0) {
/* Left Alt key was pressed */
SDL_SendKeyboardKey(0, SDL_PRESSED, SDL_SCANCODE_LALT);
}
if (((packet->modifiers & HIDDI_MKEY_LEFT_ALT) == 0) &&
(key_last_state[devno].modifiers & HIDDI_MKEY_LEFT_ALT) ==
HIDDI_MKEY_LEFT_ALT) {
/* Left Alt key was released */
SDL_SendKeyboardKey(0, SDL_RELEASED, SDL_SCANCODE_LALT);
}
if (((packet->modifiers & HIDDI_MKEY_LEFT_WFLAG) ==
HIDDI_MKEY_LEFT_WFLAG)
&& (key_last_state[devno].modifiers & HIDDI_MKEY_LEFT_WFLAG) == 0) {
/* Left Windows flag key was pressed */
SDL_SendKeyboardKey(0, SDL_PRESSED, SDL_SCANCODE_LGUI);
}
if (((packet->modifiers & HIDDI_MKEY_LEFT_WFLAG) == 0) &&
(key_last_state[devno].modifiers & HIDDI_MKEY_LEFT_WFLAG) ==
HIDDI_MKEY_LEFT_WFLAG) {
/* Left Windows flag key was released */
SDL_SendKeyboardKey(0, SDL_RELEASED, SDL_SCANCODE_LGUI);
}
if (((packet->modifiers & HIDDI_MKEY_RIGHT_CTRL) ==
HIDDI_MKEY_RIGHT_CTRL)
&& (key_last_state[devno].modifiers & HIDDI_MKEY_RIGHT_CTRL) == 0) {
/* Right Ctrl key was pressed */
SDL_SendKeyboardKey(0, SDL_PRESSED, SDL_SCANCODE_RCTRL);
}
if (((packet->modifiers & HIDDI_MKEY_RIGHT_CTRL) == 0) &&
(key_last_state[devno].modifiers & HIDDI_MKEY_RIGHT_CTRL) ==
HIDDI_MKEY_RIGHT_CTRL) {
/* Right Ctrl key was released */
SDL_SendKeyboardKey(0, SDL_RELEASED, SDL_SCANCODE_RCTRL);
}
if (((packet->modifiers & HIDDI_MKEY_RIGHT_SHIFT) ==
HIDDI_MKEY_RIGHT_SHIFT)
&& (key_last_state[devno].modifiers & HIDDI_MKEY_RIGHT_SHIFT) ==
0) {
/* Right Shift key was pressed */
SDL_SendKeyboardKey(0, SDL_PRESSED, SDL_SCANCODE_RSHIFT);
}
if (((packet->modifiers & HIDDI_MKEY_RIGHT_SHIFT) == 0) &&
(key_last_state[devno].modifiers & HIDDI_MKEY_RIGHT_SHIFT) ==
HIDDI_MKEY_RIGHT_SHIFT) {
/* Right Shift key was released */
SDL_SendKeyboardKey(0, SDL_RELEASED, SDL_SCANCODE_RSHIFT);
}
if (((packet->modifiers & HIDDI_MKEY_RIGHT_ALT) ==
HIDDI_MKEY_RIGHT_ALT)
&& (key_last_state[devno].modifiers & HIDDI_MKEY_RIGHT_ALT) == 0) {
/* Right Alt key was pressed */
SDL_SendKeyboardKey(0, SDL_PRESSED, SDL_SCANCODE_RALT);
}
if (((packet->modifiers & HIDDI_MKEY_RIGHT_ALT) == 0) &&
(key_last_state[devno].modifiers & HIDDI_MKEY_RIGHT_ALT) ==
HIDDI_MKEY_RIGHT_ALT) {
/* Right Alt key was released */
SDL_SendKeyboardKey(0, SDL_RELEASED, SDL_SCANCODE_RALT);
}
if (((packet->modifiers & HIDDI_MKEY_RIGHT_WFLAG) ==
HIDDI_MKEY_RIGHT_WFLAG)
&& (key_last_state[devno].modifiers & HIDDI_MKEY_RIGHT_WFLAG) ==
0) {
/* Right Windows flag key was pressed */
SDL_SendKeyboardKey(0, SDL_PRESSED, SDL_SCANCODE_RGUI);
}
if (((packet->modifiers & HIDDI_MKEY_RIGHT_WFLAG) == 0) &&
(key_last_state[devno].modifiers & HIDDI_MKEY_RIGHT_WFLAG) ==
HIDDI_MKEY_RIGHT_WFLAG) {
/* Right Windows flag key was released */
SDL_SendKeyboardKey(0, SDL_RELEASED, SDL_SCANCODE_RGUI);
}
}
/* Check each key in the press/release buffer */
switch (report_len) {
case 8: /* 8 bytes of report length */
{
/* Check if at least one key was unpressed */
for (it = 0; it < 6; it++) {
if (key_last_state[devno].codes[it] == HIDDI_KEY_UNPRESSED) {
671
672
/* if stored keycode is zero, find another */
continue;
673
674
}
for (jt = 0; jt < 6; jt++) {
675
/* Find stored keycode in the current pressed codes */
676
677
678
if (packet->codes[jt] == key_last_state[devno].codes[it]) {
/* If found then particular key state is not changed */
break;
680
681
682
683
684
685
686
687
688
689
690
691
}
/* Check if pressed key can't longer be found */
if (jt == 6) {
SDL_SendKeyboardKey(0, SDL_RELEASED,
key_last_state[devno].codes[it]);
}
}
/* Check if at least one new key was pressed */
for (it = 0; it < 6; it++) {
if (packet->codes[it] == HIDDI_KEY_UNPRESSED) {
693
694
}
for (jt = 0; jt < 6; jt++) {
695
/* Find new keycode it the array of old pressed keys */
696
697
if (packet->codes[it] == key_last_state[devno].codes[jt]) {
break;
699
}
701
702
/* Check if new key was pressed */
if (jt == 6) {
703
SDL_SendKeyboardKey(0, SDL_PRESSED, packet->codes[it]);
704
705
706
707
708
709
710
711
712
713
714
715
}
}
}
default: /* unknown keyboard report type */
{
/* Ignore all unknown reports */
}
break;
}
/* Store last state */
key_last_state[devno] = *packet;
716
717
718
}
static uint32_t mouse_last_state_button[SDL_HIDDI_MAX_DEVICES];
719
static uint32_t collect_reports = 0;
721
722
723
static void
hiddi_mouse_handler(uint32_t devno, uint8_t * report_data,
uint32_t report_len)
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
uint32_t it;
uint32_t sdlbutton;
/* We do not want to collect stored events */
if (collect_reports == 0) {
return;
}
/* Check for special states */
switch (report_len) {
case 8: /* 8 bytes of report length, usually multi-button USB mice */
{
mouse_packet8 *packet;
packet = (mouse_packet8 *) report_data;
/* Send motion event if motion really was */
if ((packet->horizontal_precision != 0)
|| (packet->vertical_precision != 0)) {
SDL_SendMouseMotion(0, 1, packet->horizontal_precision,
packet->vertical_precision, 0);
}
/* Send mouse button press/release events */
if (mouse_last_state_button[devno] != packet->buttons) {
/* Cycle all buttons status */
for (it = 0; it < 8; it++) {
751
/* convert hiddi button id to sdl button id */
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
switch (it) {
case 0:
{
sdlbutton = SDL_BUTTON_LEFT;
}
break;
case 1:
{
sdlbutton = SDL_BUTTON_RIGHT;
}
break;
case 2:
{
sdlbutton = SDL_BUTTON_MIDDLE;
}
break;
default:
{
sdlbutton = it + 1;
}
break;
773
774
775
}
/* Button pressed */
776
777
778
779
if (((packet->buttons & (0x01 << it)) == (0x01 << it)) &&
((mouse_last_state_button[devno] & (0x01 << it)) ==
0x00)) {
SDL_SendMouseButton(0, SDL_PRESSED, sdlbutton);
780
781
}
/* Button released */
782
783
784
785
if (((packet->buttons & (0x01 << it)) == 0x00) &&
((mouse_last_state_button[devno] & (0x01 << it)) ==
(0x01 << it))) {
SDL_SendMouseButton(0, SDL_RELEASED, sdlbutton);
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
}
mouse_last_state_button[devno] = packet->buttons;
}
/* Send mouse wheel events */
if (packet->wheel != 0) {
/* Send vertical wheel event only */
SDL_SendMouseWheel(0, 0, packet->wheel);
}
}
break;
case 4: /* 4 bytes of report length, usually PS/2 mice */
{
mouse_packet4 *packet;
packet = (mouse_packet4 *) report_data;
/* Send motion event if motion really was */
if ((packet->horizontal != 0) || (packet->vertical != 0)) {
SDL_SendMouseMotion(0, 1, packet->horizontal,
packet->vertical, 0);
}
/* Send mouse button press/release events */
if (mouse_last_state_button[devno] != packet->buttons) {
/* Cycle all buttons status */
for (it = 0; it < 8; it++) {
813
/* convert hiddi button id to sdl button id */
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
switch (it) {
case 0:
{
sdlbutton = SDL_BUTTON_LEFT;
}
break;
case 1:
{
sdlbutton = SDL_BUTTON_RIGHT;
}
break;
case 2:
{
sdlbutton = SDL_BUTTON_MIDDLE;
}
break;
default:
{
sdlbutton = it + 1;
}
break;
835
836
837
}
/* Button pressed */
838
839
840
841
if (((packet->buttons & (0x01 << it)) == (0x01 << it)) &&
((mouse_last_state_button[devno] & (0x01 << it)) ==
0x00)) {
SDL_SendMouseButton(0, SDL_PRESSED, sdlbutton);
842
843
}
/* Button released */
844
845
846
847
if (((packet->buttons & (0x01 << it)) == 0x00) &&
((mouse_last_state_button[devno] & (0x01 << it)) ==
(0x01 << it))) {
SDL_SendMouseButton(0, SDL_RELEASED, sdlbutton);
849
850
851
852
853
854
855
856
857
858
859
860
}
mouse_last_state_button[devno] = packet->buttons;
}
/* Send mouse wheel events */
if (packet->wheel != 0) {
/* Send vertical wheel event only */
SDL_SendMouseWheel(0, 0, packet->wheel);
}
}
break;
}
861
862
863
864
865
}
/*****************************************************************************/
/* HIDDI interacting code */
/*****************************************************************************/
866
867
868
869
static hidd_device_ident_t hiddevice = {
HIDD_CONNECT_WILDCARD, /* vendor id: any */
HIDD_CONNECT_WILDCARD, /* product id: any */
HIDD_CONNECT_WILDCARD, /* version: any */
872
873
static hidd_connect_parm_t hidparams =
{ NULL, HID_VERSION, HIDD_VERSION, 0, 0, &hiddevice, NULL, 0 };
875
876
877
878
879
880
881
static void hiddi_insertion(struct hidd_connection *connection,
hidd_device_instance_t * device_instance);
static void hiddi_removal(struct hidd_connection *connection,
hidd_device_instance_t * instance);
static void hiddi_report(struct hidd_connection *connection,
struct hidd_report *report, void *report_data,
uint32_t report_len, uint32_t flags, void *user);
883
884
static hidd_funcs_t hidfuncs =
{ _HIDDI_NFUNCS, hiddi_insertion, hiddi_removal, hiddi_report, NULL };
885
886
/* HID handle, singletone */
887
struct hidd_connection *connection = NULL;
888
889
890
891
/* SDL detected input device types, singletone */
static uint32_t sdl_input_devices[SDL_HIDDI_MAX_DEVICES];
892
893
894
static int
hiddi_register_for_reports(struct hidd_collection *col,
hidd_device_instance_t * device_instance)
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
int it;
uint16_t num_col;
struct hidd_collection **hidd_collections;
struct hidd_report_instance *report_instance;
struct hidd_report *report;
int status = 0;
hidview_device_t *device;
for (it = 0; it < 10 && !status; it++) {
status =
hidd_get_report_instance(col, it, HID_INPUT_REPORT,
&report_instance);
if (status == EOK) {
status =
hidd_report_attach(connection, device_instance,
report_instance, 0,
sizeof(hidview_device_t), &report);
if (status == EOK) {
device = hidd_report_extra(report);
device->report = report;
device->instance = report_instance;
}
}
}
hidd_get_collections(NULL, col, &hidd_collections, &num_col);
for (it = 0; it < num_col; it++) {
hiddi_register_for_reports(hidd_collections[it], device_instance);
}
return EOK;
929
930
931
static void
hiddi_insertion(struct hidd_connection *connection,
hidd_device_instance_t * device_instance)
933
934
935
936
937
938
939
940
941
uint32_t it;
struct hidd_collection **hidd_collections;
uint16_t num_col;
/* get root level collections */
hidd_get_collections(device_instance, NULL, &hidd_collections, &num_col);
for (it = 0; it < num_col; it++) {
hiddi_register_for_reports(hidd_collections[it], device_instance);
}
944
945
946
static void
hiddi_removal(struct hidd_connection *connection,
hidd_device_instance_t * instance)
948
hidd_reports_detach(connection, instance);
951
952
953
954
static void
hiddi_report(struct hidd_connection *connection, hidd_report_t * report,
void *report_data, uint32_t report_len, uint32_t flags,
void *user)
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
if (report->dev_inst->devno >= SDL_HIDDI_MAX_DEVICES) {
/* Unknown HID device, with devno number out of supported range */
return;
}
/* Check device type which generates event */
switch (sdl_input_devices[report->dev_inst->devno]) {
case SDL_GF_HIDDI_NONE:
{
/* We do not handle other devices type */
return;
}
break;
case SDL_GF_HIDDI_MOUSE:
{
/* Call mouse handler */
hiddi_mouse_handler(report->dev_inst->devno, report_data,
report_len);
}
break;
case SDL_GF_HIDDI_KEYBOARD:
{
/* Call keyboard handler */
hiddi_keyboard_handler(report->dev_inst->devno, report_data,
report_len);
}
break;
case SDL_GF_HIDDI_JOYSTICK:
{
/* Call joystick handler */
}
break;
}
991
992
static
hiddi_get_device_type(uint8_t * report_data, uint16_t report_length)
994
995
996
997
998
999
1000
hid_byte_t byte;
uint16_t usage_page = 0;
uint16_t usage = 0;
uint16_t data = 0;
while (report_length && !(usage_page && usage)) {
if (hidp_analyse_byte(*report_data, &byte)) {