698517be |
1 | /* |
2 | * (C) GraÅžvydas "notaz" Ignotas, 2008-2010 |
3 | * |
4 | * This work is licensed under the terms of any of these licenses |
5 | * (at your option): |
6 | * - GNU GPL, version 2 or later. |
7 | * - GNU LGPL, version 2.1 or later. |
8 | * See the COPYING file in the top-level directory. |
9 | */ |
10 | |
11 | #include <stdio.h> |
12 | #include <stdlib.h> |
13 | #include <string.h> |
14 | #include <sys/types.h> |
15 | #include <sys/stat.h> |
16 | #include <fcntl.h> |
17 | #include <sys/ioctl.h> |
18 | #include <unistd.h> |
19 | #include <linux/input.h> |
20 | #include <errno.h> |
21 | |
22 | #include "../common/input.h" |
23 | #include "in_evdev.h" |
24 | |
25 | typedef struct { |
26 | int fd; |
27 | int *kbits; |
28 | int abs_min_x; |
29 | int abs_max_x; |
30 | int abs_min_y; |
31 | int abs_max_y; |
32 | int abs_lzone; |
33 | int abs_lastx; |
34 | int abs_lasty; |
35 | int kc_first; |
36 | int kc_last; |
37 | } in_evdev_t; |
38 | |
39 | #ifndef KEY_CNT |
40 | #define KEY_CNT (KEY_MAX + 1) |
41 | #endif |
42 | |
43 | #define KEYBITS_BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \ |
44 | (1 << ((x) & (sizeof(keybits[0])*8-1)))) |
45 | |
46 | #define KEYBITS_BIT_SET(x) (keybits[(x)/sizeof(keybits[0])/8] |= \ |
47 | (1 << ((x) & (sizeof(keybits[0])*8-1)))) |
48 | |
49 | #define KEYBITS_BIT_CLEAR(x) (keybits[(x)/sizeof(keybits[0])/8] &= \ |
50 | ~(1 << ((x) & (sizeof(keybits[0])*8-1)))) |
51 | |
1bba42a5 |
52 | int in_evdev_allow_abs_only; |
53 | |
698517be |
54 | static const char * const in_evdev_prefix = "evdev:"; |
55 | static const char * const in_evdev_keys[KEY_CNT] = { |
56 | [0 ... KEY_MAX] = NULL, |
57 | [KEY_RESERVED] = "Reserved", [KEY_ESC] = "Esc", |
58 | [KEY_1] = "1", [KEY_2] = "2", |
59 | [KEY_3] = "3", [KEY_4] = "4", |
60 | [KEY_5] = "5", [KEY_6] = "6", |
61 | [KEY_7] = "7", [KEY_8] = "8", |
62 | [KEY_9] = "9", [KEY_0] = "0", |
63 | [KEY_MINUS] = "Minus", [KEY_EQUAL] = "Equal", |
64 | [KEY_BACKSPACE] = "Backspace", [KEY_TAB] = "Tab", |
65 | [KEY_Q] = "Q", [KEY_W] = "W", |
66 | [KEY_E] = "E", [KEY_R] = "R", |
67 | [KEY_T] = "T", [KEY_Y] = "Y", |
68 | [KEY_U] = "U", [KEY_I] = "I", |
69 | [KEY_O] = "O", [KEY_P] = "P", |
70 | [KEY_LEFTBRACE] = "LeftBrace", [KEY_RIGHTBRACE] = "RightBrace", |
71 | [KEY_ENTER] = "Enter", [KEY_LEFTCTRL] = "LeftControl", |
72 | [KEY_A] = "A", [KEY_S] = "S", |
73 | [KEY_D] = "D", [KEY_F] = "F", |
74 | [KEY_G] = "G", [KEY_H] = "H", |
75 | [KEY_J] = "J", [KEY_K] = "K", |
76 | [KEY_L] = "L", [KEY_SEMICOLON] = "Semicolon", |
77 | [KEY_APOSTROPHE] = "Apostrophe", [KEY_GRAVE] = "Grave", |
78 | [KEY_LEFTSHIFT] = "LeftShift", [KEY_BACKSLASH] = "BackSlash", |
79 | [KEY_Z] = "Z", [KEY_X] = "X", |
80 | [KEY_C] = "C", [KEY_V] = "V", |
81 | [KEY_B] = "B", [KEY_N] = "N", |
82 | [KEY_M] = "M", [KEY_COMMA] = "Comma", |
83 | [KEY_DOT] = "Dot", [KEY_SLASH] = "Slash", |
84 | [KEY_RIGHTSHIFT] = "RightShift", [KEY_KPASTERISK] = "KPAsterisk", |
85 | [KEY_LEFTALT] = "LeftAlt", [KEY_SPACE] = "Space", |
86 | [KEY_CAPSLOCK] = "CapsLock", [KEY_F1] = "F1", |
87 | [KEY_F2] = "F2", [KEY_F3] = "F3", |
88 | [KEY_F4] = "F4", [KEY_F5] = "F5", |
89 | [KEY_F6] = "F6", [KEY_F7] = "F7", |
90 | [KEY_F8] = "F8", [KEY_F9] = "F9", |
91 | [KEY_F10] = "F10", [KEY_NUMLOCK] = "NumLock", |
92 | [KEY_SCROLLLOCK] = "ScrollLock", [KEY_KP7] = "KP7", |
93 | [KEY_KP8] = "KP8", [KEY_KP9] = "KP9", |
94 | [KEY_KPMINUS] = "KPMinus", [KEY_KP4] = "KP4", |
95 | [KEY_KP5] = "KP5", [KEY_KP6] = "KP6", |
96 | [KEY_KPPLUS] = "KPPlus", [KEY_KP1] = "KP1", |
97 | [KEY_KP2] = "KP2", [KEY_KP3] = "KP3", |
98 | [KEY_KP0] = "KP0", [KEY_KPDOT] = "KPDot", |
99 | [KEY_ZENKAKUHANKAKU] = "Zenkaku/Hankaku", [KEY_102ND] = "102nd", |
100 | [KEY_F11] = "F11", [KEY_F12] = "F12", |
101 | [KEY_KPJPCOMMA] = "KPJpComma", [KEY_KPENTER] = "KPEnter", |
102 | [KEY_RIGHTCTRL] = "RightCtrl", [KEY_KPSLASH] = "KPSlash", |
103 | [KEY_SYSRQ] = "SysRq", [KEY_RIGHTALT] = "RightAlt", |
104 | [KEY_LINEFEED] = "LineFeed", [KEY_HOME] = "Home", |
105 | [KEY_UP] = "Up", [KEY_PAGEUP] = "PageUp", |
106 | [KEY_LEFT] = "Left", [KEY_RIGHT] = "Right", |
107 | [KEY_END] = "End", [KEY_DOWN] = "Down", |
108 | [KEY_PAGEDOWN] = "PageDown", [KEY_INSERT] = "Insert", |
109 | [KEY_DELETE] = "Delete", [KEY_MACRO] = "Macro", |
110 | [KEY_HELP] = "Help", [KEY_MENU] = "Menu", |
111 | [KEY_COFFEE] = "Coffee", [KEY_DIRECTION] = "Direction", |
112 | [BTN_0] = "Btn0", [BTN_1] = "Btn1", |
113 | [BTN_2] = "Btn2", [BTN_3] = "Btn3", |
114 | [BTN_4] = "Btn4", [BTN_5] = "Btn5", |
115 | [BTN_6] = "Btn6", [BTN_7] = "Btn7", |
116 | [BTN_8] = "Btn8", [BTN_9] = "Btn9", |
117 | [BTN_LEFT] = "LeftBtn", [BTN_RIGHT] = "RightBtn", |
118 | [BTN_MIDDLE] = "MiddleBtn", [BTN_SIDE] = "SideBtn", |
119 | [BTN_EXTRA] = "ExtraBtn", [BTN_FORWARD] = "ForwardBtn", |
120 | [BTN_BACK] = "BackBtn", [BTN_TASK] = "TaskBtn", |
121 | [BTN_TRIGGER] = "Trigger", [BTN_THUMB] = "ThumbBtn", |
122 | [BTN_THUMB2] = "ThumbBtn2", [BTN_TOP] = "TopBtn", |
123 | [BTN_TOP2] = "TopBtn2", [BTN_PINKIE] = "PinkieBtn", |
124 | [BTN_BASE] = "BaseBtn", [BTN_BASE2] = "BaseBtn2", |
125 | [BTN_BASE3] = "BaseBtn3", [BTN_BASE4] = "BaseBtn4", |
126 | [BTN_BASE5] = "BaseBtn5", [BTN_BASE6] = "BaseBtn6", |
127 | [BTN_DEAD] = "BtnDead", [BTN_A] = "BtnA", |
128 | [BTN_B] = "BtnB", [BTN_C] = "BtnC", |
129 | [BTN_X] = "BtnX", [BTN_Y] = "BtnY", |
130 | [BTN_Z] = "BtnZ", [BTN_TL] = "BtnTL", |
131 | [BTN_TR] = "BtnTR", [BTN_TL2] = "BtnTL2", |
132 | [BTN_TR2] = "BtnTR2", [BTN_SELECT] = "BtnSelect", |
133 | [BTN_START] = "BtnStart", [BTN_MODE] = "BtnMode", |
134 | [BTN_THUMBL] = "BtnThumbL", [BTN_THUMBR] = "BtnThumbR", |
135 | [BTN_TOUCH] = "Touch", [BTN_STYLUS] = "Stylus", |
136 | [BTN_STYLUS2] = "Stylus2", [BTN_TOOL_DOUBLETAP] = "Tool Doubletap", |
137 | [BTN_TOOL_TRIPLETAP] = "Tool Tripletap", [BTN_GEAR_DOWN] = "WheelBtn", |
138 | [BTN_GEAR_UP] = "Gear up", [KEY_OK] = "Ok", |
139 | }; |
140 | |
141 | |
142 | static void in_evdev_probe(void) |
143 | { |
144 | long keybits[KEY_CNT / sizeof(long) / 8]; |
145 | long absbits[(ABS_MAX+1) / sizeof(long) / 8]; |
146 | int i; |
147 | |
148 | // the kernel might support and return less keys then we know about, |
149 | // so make sure the buffers are clear. |
150 | memset(keybits, 0, sizeof(keybits)); |
151 | memset(absbits, 0, sizeof(absbits)); |
152 | |
153 | for (i = 0;; i++) |
154 | { |
155 | int support = 0, count = 0; |
1bba42a5 |
156 | int u, ret, fd, kc_first = KEY_MAX, kc_last = 0; |
698517be |
157 | in_evdev_t *dev; |
158 | char name[64]; |
159 | |
160 | snprintf(name, sizeof(name), "/dev/input/event%d", i); |
161 | fd = open(name, O_RDONLY|O_NONBLOCK); |
162 | if (fd == -1) { |
163 | if (errno == EACCES) |
164 | continue; /* maybe we can access next one */ |
165 | break; |
166 | } |
167 | |
168 | /* check supported events */ |
169 | ret = ioctl(fd, EVIOCGBIT(0, sizeof(support)), &support); |
170 | if (ret == -1) { |
171 | printf("in_evdev: ioctl failed on %s\n", name); |
172 | goto skip; |
173 | } |
174 | |
1bba42a5 |
175 | if (support & (1 << EV_KEY)) { |
176 | ret = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits); |
177 | if (ret == -1) { |
178 | printf("in_evdev: ioctl failed on %s\n", name); |
179 | goto skip; |
180 | } |
698517be |
181 | |
1bba42a5 |
182 | /* check for interesting keys */ |
183 | for (u = 0; u < KEY_CNT; u++) { |
184 | if (KEYBITS_BIT(u)) { |
185 | if (u < kc_first) |
186 | kc_first = u; |
187 | if (u > kc_last) |
188 | kc_last = u; |
189 | if (u != KEY_POWER && u != KEY_SLEEP && u != BTN_TOUCH) |
190 | count++; |
191 | if (u == BTN_TOUCH) /* we can't deal with ts currently */ |
192 | goto skip; |
193 | } |
698517be |
194 | } |
195 | } |
196 | |
1bba42a5 |
197 | if (count == 0 && !in_evdev_allow_abs_only) |
698517be |
198 | goto skip; |
199 | |
200 | dev = calloc(1, sizeof(*dev)); |
201 | if (dev == NULL) |
202 | goto skip; |
203 | |
204 | ret = ioctl(fd, EVIOCGKEY(sizeof(keybits)), keybits); |
205 | if (ret == -1) { |
206 | printf("Warning: EVIOCGKEY not supported, will have to track state\n"); |
207 | dev->kbits = calloc(KEY_CNT, sizeof(int)); |
208 | if (dev->kbits == NULL) { |
209 | free(dev); |
210 | goto skip; |
211 | } |
212 | } |
213 | |
214 | /* check for abs too */ |
215 | if (support & (1 << EV_ABS)) { |
216 | struct input_absinfo ainfo; |
217 | int dist; |
218 | ret = ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbits)), absbits); |
219 | if (ret == -1) |
220 | goto no_abs; |
221 | if (absbits[0] & (1 << ABS_X)) { |
222 | ret = ioctl(fd, EVIOCGABS(ABS_X), &ainfo); |
223 | if (ret == -1) |
224 | goto no_abs; |
225 | dist = ainfo.maximum - ainfo.minimum; |
226 | dev->abs_lzone = dist / 4; |
227 | dev->abs_min_x = ainfo.minimum; |
228 | dev->abs_max_x = ainfo.maximum; |
229 | } |
230 | if (absbits[0] & (1 << ABS_Y)) { |
231 | ret = ioctl(fd, EVIOCGABS(ABS_Y), &ainfo); |
232 | if (ret == -1) |
233 | goto no_abs; |
234 | dist = ainfo.maximum - ainfo.minimum; |
235 | dev->abs_min_y = ainfo.minimum; |
236 | dev->abs_max_y = ainfo.maximum; |
237 | } |
238 | } |
239 | |
240 | no_abs: |
1bba42a5 |
241 | if (count == 0 && dev->abs_lzone == 0) { |
242 | free(dev); |
243 | goto skip; |
244 | } |
245 | |
698517be |
246 | dev->fd = fd; |
247 | dev->kc_first = kc_first; |
248 | dev->kc_last = kc_last; |
249 | strcpy(name, in_evdev_prefix); |
250 | ioctl(fd, EVIOCGNAME(sizeof(name)-6), name+6); |
251 | printf("in_evdev: found \"%s\" with %d events (type %08x)\n", |
252 | name+6, count, support); |
253 | in_register(name, IN_DRVID_EVDEV, fd, dev, KEY_CNT, in_evdev_keys, 0); |
254 | continue; |
255 | |
256 | skip: |
257 | close(fd); |
258 | } |
259 | } |
260 | |
261 | static void in_evdev_free(void *drv_data) |
262 | { |
263 | in_evdev_t *dev = drv_data; |
264 | if (dev == NULL) |
265 | return; |
266 | close(dev->fd); |
267 | free(dev); |
268 | } |
269 | |
605e6809 |
270 | static const char * const * |
271 | in_evdev_get_key_names(int *count) |
698517be |
272 | { |
605e6809 |
273 | *count = KEY_CNT; |
274 | return in_evdev_keys; |
698517be |
275 | } |
276 | |
277 | static void or_binds(const int *binds, int key, int *result) |
278 | { |
279 | int t; |
280 | for (t = 0; t < IN_BINDTYPE_COUNT; t++) |
281 | result[t] |= binds[IN_BIND_OFFS(key, t)]; |
282 | } |
283 | |
284 | /* ORs result with binds of pressed buttons |
285 | * XXX: should measure performance hit of this func, might need to optimize */ |
286 | int in_evdev_update(void *drv_data, const int *binds, int *result) |
287 | { |
288 | struct input_event ev[16]; |
289 | struct input_absinfo ainfo; |
290 | int keybits_[KEY_CNT / sizeof(int)]; |
291 | int *keybits = keybits_; |
292 | in_evdev_t *dev = drv_data; |
293 | int rd, ret, u, lzone; |
294 | |
295 | if (dev->kbits == NULL) { |
296 | ret = ioctl(dev->fd, EVIOCGKEY(sizeof(keybits_)), keybits_); |
297 | if (ret == -1) { |
298 | perror("in_evdev: ioctl failed"); |
299 | return -1; |
300 | } |
301 | } |
302 | else { |
303 | keybits = dev->kbits; |
304 | while (1) { |
305 | rd = read(dev->fd, ev, sizeof(ev)); |
306 | if (rd < (int)sizeof(ev[0])) { |
307 | if (errno != EAGAIN) |
308 | perror("in_evdev: read failed"); |
309 | break; |
310 | } |
311 | for (u = 0; u < rd / sizeof(ev[0]); u++) { |
312 | if (ev[u].type != EV_KEY) |
313 | continue; |
314 | else if (ev[u].value == 1) |
315 | KEYBITS_BIT_SET(ev[u].code); |
316 | else if (ev[u].value == 0) |
317 | KEYBITS_BIT_CLEAR(ev[u].code); |
318 | } |
319 | } |
320 | } |
321 | |
322 | for (u = dev->kc_first; u <= dev->kc_last; u++) { |
323 | if (KEYBITS_BIT(u)) |
324 | or_binds(binds, u, result); |
325 | } |
326 | |
327 | /* map X and Y absolute to UDLR */ |
328 | lzone = dev->abs_lzone; |
329 | if (lzone != 0) { |
330 | ret = ioctl(dev->fd, EVIOCGABS(ABS_X), &ainfo); |
331 | if (ret != -1) { |
332 | if (ainfo.value < dev->abs_min_x + lzone) or_binds(binds, KEY_LEFT, result); |
333 | if (ainfo.value > dev->abs_max_x - lzone) or_binds(binds, KEY_RIGHT, result); |
334 | } |
335 | } |
336 | if (lzone != 0) { |
337 | ret = ioctl(dev->fd, EVIOCGABS(ABS_Y), &ainfo); |
338 | if (ret != -1) { |
339 | if (ainfo.value < dev->abs_min_y + lzone) or_binds(binds, KEY_UP, result); |
340 | if (ainfo.value > dev->abs_max_y - lzone) or_binds(binds, KEY_DOWN, result); |
341 | } |
342 | } |
343 | |
344 | return 0; |
345 | } |
346 | |
347 | static int in_evdev_set_blocking(in_evdev_t *dev, int y) |
348 | { |
349 | long flags; |
350 | int ret; |
351 | |
352 | flags = (long)fcntl(dev->fd, F_GETFL); |
353 | if ((int)flags == -1) { |
354 | perror("in_evdev: F_GETFL fcntl failed"); |
355 | return -1; |
356 | } |
357 | |
358 | if (flags & O_NONBLOCK) { |
359 | /* flush the event queue */ |
360 | struct input_event ev; |
361 | do { |
362 | ret = read(dev->fd, &ev, sizeof(ev)); |
363 | } |
364 | while (ret == sizeof(ev)); |
365 | } |
366 | |
367 | if (y) |
368 | flags &= ~O_NONBLOCK; |
369 | else |
370 | flags |= O_NONBLOCK; |
371 | ret = fcntl(dev->fd, F_SETFL, flags); |
372 | if (ret == -1) { |
373 | perror("in_evdev: F_SETFL fcntl failed"); |
374 | return -1; |
375 | } |
376 | |
377 | return 0; |
378 | } |
379 | |
380 | static int in_evdev_set_config(void *drv_data, int what, int val) |
381 | { |
382 | in_evdev_t *dev = drv_data; |
383 | int tmp; |
384 | |
385 | switch (what) { |
386 | case IN_CFG_BLOCKING: |
387 | return in_evdev_set_blocking(dev, val); |
388 | case IN_CFG_ABS_DEAD_ZONE: |
389 | if (val < 1 || val > 99 || dev->abs_lzone == 0) |
390 | return -1; |
391 | /* XXX: based on X axis only, for now.. */ |
392 | tmp = (dev->abs_max_x - dev->abs_min_x) / 2; |
393 | dev->abs_lzone = tmp - tmp * val / 100; |
394 | if (dev->abs_lzone < 1) |
395 | dev->abs_lzone = 1; |
396 | else if (dev->abs_lzone >= tmp) |
397 | dev->abs_lzone = tmp - 1; |
398 | break; |
399 | default: |
400 | return -1; |
401 | } |
402 | |
403 | return 0; |
404 | } |
405 | |
406 | static int in_evdev_update_keycode(void *data, int *is_down) |
407 | { |
408 | int ret_kc = -1, ret_down = 0; |
409 | in_evdev_t *dev = data; |
410 | struct input_event ev; |
411 | int rd; |
412 | |
7eda34c1 |
413 | /* do single event, the caller sometimes wants |
414 | * to do select() in blocking mode */ |
415 | rd = read(dev->fd, &ev, sizeof(ev)); |
416 | if (rd < (int) sizeof(ev)) { |
417 | if (errno != EAGAIN) { |
418 | perror("in_evdev: error reading"); |
605e6809 |
419 | //sleep(1); |
420 | ret_kc = -2; |
698517be |
421 | } |
7eda34c1 |
422 | goto out; |
423 | } |
698517be |
424 | |
7eda34c1 |
425 | if (ev.type == EV_KEY) { |
426 | if (ev.value < 0 || ev.value > 1) |
698517be |
427 | goto out; |
7eda34c1 |
428 | ret_kc = ev.code; |
429 | ret_down = ev.value; |
430 | goto out; |
431 | } |
432 | else if (ev.type == EV_ABS) |
433 | { |
434 | int lzone = dev->abs_lzone, down = 0, *last; |
435 | |
436 | // map absolute to up/down/left/right |
437 | if (lzone != 0 && ev.code == ABS_X) { |
438 | if (ev.value < dev->abs_min_x + lzone) |
439 | down = KEY_LEFT; |
440 | else if (ev.value > dev->abs_max_x - lzone) |
441 | down = KEY_RIGHT; |
442 | last = &dev->abs_lastx; |
698517be |
443 | } |
7eda34c1 |
444 | else if (lzone != 0 && ev.code == ABS_Y) { |
445 | if (ev.value < dev->abs_min_y + lzone) |
446 | down = KEY_UP; |
447 | else if (ev.value > dev->abs_max_y - lzone) |
448 | down = KEY_DOWN; |
449 | last = &dev->abs_lasty; |
450 | } |
451 | else |
452 | goto out; |
453 | |
454 | if (down == *last) |
455 | goto out; |
456 | |
457 | if (down == 0 || *last != 0) { |
458 | /* key up or direction change, return up event for old key */ |
459 | ret_kc = *last; |
460 | ret_down = 0; |
461 | *last = 0; |
698517be |
462 | goto out; |
463 | } |
7eda34c1 |
464 | ret_kc = *last = down; |
465 | ret_down = 1; |
466 | goto out; |
698517be |
467 | } |
468 | |
469 | out: |
470 | if (is_down != NULL) |
471 | *is_down = ret_down; |
472 | |
473 | return ret_kc; |
474 | } |
475 | |
476 | static const struct { |
477 | short key; |
478 | short pbtn; |
479 | } key_pbtn_map[] = |
480 | { |
481 | { KEY_UP, PBTN_UP }, |
482 | { KEY_DOWN, PBTN_DOWN }, |
483 | { KEY_LEFT, PBTN_LEFT }, |
484 | { KEY_RIGHT, PBTN_RIGHT }, |
485 | /* XXX: maybe better set this from it's plat code somehow */ |
486 | /* Pandora */ |
487 | { KEY_END, PBTN_MOK }, |
488 | { KEY_PAGEDOWN, PBTN_MBACK }, |
489 | { KEY_HOME, PBTN_MA2 }, |
490 | { KEY_PAGEUP, PBTN_MA3 }, |
491 | { KEY_LEFTCTRL, PBTN_MENU }, |
492 | { KEY_RIGHTSHIFT, PBTN_L }, |
493 | { KEY_RIGHTCTRL, PBTN_R }, |
494 | /* Caanoo */ |
495 | { BTN_THUMB2, PBTN_MOK }, |
496 | { BTN_THUMB, PBTN_MBACK }, |
497 | { BTN_TRIGGER, PBTN_MA2 }, |
498 | { BTN_TOP, PBTN_MA3 }, |
499 | { BTN_BASE, PBTN_MENU }, |
500 | { BTN_TOP2, PBTN_L }, |
501 | { BTN_PINKIE, PBTN_R }, |
502 | /* "normal" keyboards */ |
503 | { KEY_ENTER, PBTN_MOK }, |
504 | { KEY_ESC, PBTN_MBACK }, |
505 | { KEY_A, PBTN_MA2 }, |
506 | { KEY_S, PBTN_MA3 }, |
507 | { KEY_BACKSLASH, PBTN_MENU }, |
508 | { KEY_LEFTBRACE, PBTN_L }, |
509 | { KEY_RIGHTBRACE, PBTN_R }, |
510 | }; |
511 | |
512 | #define KEY_PBTN_MAP_SIZE (sizeof(key_pbtn_map) / sizeof(key_pbtn_map[0])) |
513 | |
514 | static int in_evdev_menu_translate(void *drv_data, int keycode) |
515 | { |
516 | in_evdev_t *dev = drv_data; |
517 | int i; |
518 | |
519 | if (keycode < 0) |
520 | { |
521 | /* menu -> kc */ |
522 | keycode = -keycode; |
523 | for (i = 0; i < KEY_PBTN_MAP_SIZE; i++) |
524 | if (key_pbtn_map[i].pbtn == keycode) { |
525 | int k = key_pbtn_map[i].key; |
526 | /* should really check EVIOCGBIT, but this is enough for now */ |
527 | if (dev->kc_first <= k && k <= dev->kc_last) |
528 | return k; |
529 | } |
530 | } |
531 | else |
532 | { |
533 | for (i = 0; i < KEY_PBTN_MAP_SIZE; i++) |
534 | if (key_pbtn_map[i].key == keycode) |
535 | return key_pbtn_map[i].pbtn; |
536 | } |
537 | |
538 | return 0; |
539 | } |
540 | |
698517be |
541 | static void in_evdev_get_def_binds(int *binds) |
542 | { |
543 | int i; |
544 | |
7eda34c1 |
545 | for (i = 0; ; i++) { |
546 | if (in_evdev_defbinds[i].bit == 0 && in_evdev_defbinds[i].code == 0) |
547 | break; |
698517be |
548 | binds[IN_BIND_OFFS(in_evdev_defbinds[i].code, in_evdev_defbinds[i].btype)] = |
549 | 1 << in_evdev_defbinds[i].bit; |
550 | } |
551 | } |
552 | |
553 | /* remove binds of missing keys, count remaining ones */ |
554 | static int in_evdev_clean_binds(void *drv_data, int *binds, int *def_binds) |
555 | { |
556 | int keybits[KEY_CNT / sizeof(int)]; |
557 | in_evdev_t *dev = drv_data; |
558 | int i, t, ret, offs, count = 0; |
559 | |
2c886904 |
560 | memset(keybits, 0, sizeof(keybits)); |
698517be |
561 | ret = ioctl(dev->fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits); |
562 | if (ret == -1) { |
563 | perror("in_evdev: ioctl failed"); |
2c886904 |
564 | // memset(keybits, 0xff, sizeof(keybits)); /* mark all as good */ |
698517be |
565 | } |
566 | |
567 | if (dev->abs_lzone != 0) { |
568 | KEYBITS_BIT_SET(KEY_LEFT); |
569 | KEYBITS_BIT_SET(KEY_RIGHT); |
570 | } |
571 | if (dev->abs_lzone != 0) { |
572 | KEYBITS_BIT_SET(KEY_UP); |
573 | KEYBITS_BIT_SET(KEY_DOWN); |
574 | } |
575 | |
576 | for (i = 0; i < KEY_CNT; i++) { |
577 | for (t = 0; t < IN_BINDTYPE_COUNT; t++) { |
578 | offs = IN_BIND_OFFS(i, t); |
579 | if (!KEYBITS_BIT(i)) |
580 | binds[offs] = def_binds[offs] = 0; |
581 | if (binds[offs]) |
582 | count++; |
583 | } |
584 | } |
585 | |
586 | return count; |
587 | } |
588 | |
589 | void in_evdev_init(void *vdrv) |
590 | { |
591 | in_drv_t *drv = vdrv; |
592 | |
593 | drv->prefix = in_evdev_prefix; |
594 | drv->probe = in_evdev_probe; |
595 | drv->free = in_evdev_free; |
605e6809 |
596 | drv->get_key_names = in_evdev_get_key_names; |
698517be |
597 | drv->get_def_binds = in_evdev_get_def_binds; |
598 | drv->clean_binds = in_evdev_clean_binds; |
599 | drv->set_config = in_evdev_set_config; |
600 | drv->update_keycode = in_evdev_update_keycode; |
601 | drv->menu_translate = in_evdev_menu_translate; |
602 | } |
603 | |