summaryrefslogtreecommitdiff
path: root/quantum/action_util.c
blob: 034c2ecaae1b22a769e807fd1c4e792efc971429 (plain)
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
/*
Copyright 2013 Jun Wako <wakojun@gmail.com>

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
(at your option) 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/>.
*/
#include "host.h"
#include "report.h"
#include "debug.h"
#include "action_util.h"
#include "action_layer.h"
#include "timer.h"
#include "keycode_config.h"
#include <string.h>

extern keymap_config_t keymap_config;

static uint8_t real_mods = 0;
static uint8_t weak_mods = 0;
#ifdef KEY_OVERRIDE_ENABLE
static uint8_t weak_override_mods = 0;
static uint8_t suppressed_mods    = 0;
#endif

// TODO: pointer variable is not needed
// report_keyboard_t keyboard_report = {};
report_keyboard_t *keyboard_report = &(report_keyboard_t){};

extern inline void add_key(uint8_t key);
extern inline void del_key(uint8_t key);
extern inline void clear_keys(void);

#ifndef NO_ACTION_ONESHOT
static uint8_t oneshot_mods        = 0;
static uint8_t oneshot_locked_mods = 0;
uint8_t        get_oneshot_locked_mods(void) {
    return oneshot_locked_mods;
}
void add_oneshot_locked_mods(uint8_t mods) {
    if ((oneshot_locked_mods & mods) != mods) {
        oneshot_locked_mods |= mods;
        oneshot_locked_mods_changed_kb(oneshot_locked_mods);
    }
}
void set_oneshot_locked_mods(uint8_t mods) {
    if (mods != oneshot_locked_mods) {
        oneshot_locked_mods = mods;
        oneshot_locked_mods_changed_kb(oneshot_locked_mods);
    }
}
void clear_oneshot_locked_mods(void) {
    if (oneshot_locked_mods) {
        oneshot_locked_mods = 0;
        oneshot_locked_mods_changed_kb(oneshot_locked_mods);
    }
}
void del_oneshot_locked_mods(uint8_t mods) {
    if (oneshot_locked_mods & mods) {
        oneshot_locked_mods &= ~mods;
        oneshot_locked_mods_changed_kb(oneshot_locked_mods);
    }
}
#    if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
static uint16_t oneshot_time = 0;
bool            has_oneshot_mods_timed_out(void) {
    return TIMER_DIFF_16(timer_read(), oneshot_time) >= ONESHOT_TIMEOUT;
}
#    else
bool has_oneshot_mods_timed_out(void) {
    return false;
}
#    endif
#endif

/* oneshot layer */
#ifndef NO_ACTION_ONESHOT
/** \brief oneshot_layer_data bits
 * LLLL LSSS
 * where:
 *   L => are layer bits
 *   S => oneshot state bits
 */
static int8_t oneshot_layer_data = 0;

inline uint8_t get_oneshot_layer(void) {
    return oneshot_layer_data >> 3;
}
inline uint8_t get_oneshot_layer_state(void) {
    return oneshot_layer_data & 0b111;
}

#    ifdef SWAP_HANDS_ENABLE
enum {
    SHO_OFF,
    SHO_ACTIVE,  // Swap hands button was pressed, and we didn't send any swapped keys yet
    SHO_PRESSED, // Swap hands button is currently pressed
    SHO_USED,    // Swap hands button is still pressed, and we already sent swapped keys
} swap_hands_oneshot = SHO_OFF;
#    endif

#    if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
static uint16_t oneshot_layer_time = 0;
inline bool     has_oneshot_layer_timed_out(void) {
    return TIMER_DIFF_16(timer_read(), oneshot_layer_time) >= ONESHOT_TIMEOUT && !(get_oneshot_layer_state() & ONESHOT_TOGGLED);
}
#        ifdef SWAP_HANDS_ENABLE
static uint16_t oneshot_swaphands_time = 0;
inline bool     has_oneshot_swaphands_timed_out(void) {
    return TIMER_DIFF_16(timer_read(), oneshot_swaphands_time) >= ONESHOT_TIMEOUT && (swap_hands_oneshot == SHO_ACTIVE);
}
#        endif
#    endif

#    ifdef SWAP_HANDS_ENABLE

void set_oneshot_swaphands(void) {
    swap_hands_oneshot = SHO_PRESSED;
    swap_hands         = true;
#        if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
    oneshot_swaphands_time = timer_read();
    if (oneshot_layer_time != 0) {
        oneshot_layer_time = oneshot_swaphands_time;
    }
#        endif
}

void release_oneshot_swaphands(void) {
    if (swap_hands_oneshot == SHO_PRESSED) {
        swap_hands_oneshot = SHO_ACTIVE;
    }
    if (swap_hands_oneshot == SHO_USED) {
        clear_oneshot_swaphands();
    }
}

void use_oneshot_swaphands(void) {
    if (swap_hands_oneshot == SHO_PRESSED) {
        swap_hands_oneshot = SHO_USED;
    }
    if (swap_hands_oneshot == SHO_ACTIVE) {
        clear_oneshot_swaphands();
    }
}

void clear_oneshot_swaphands(void) {
    swap_hands_oneshot = SHO_OFF;
    swap_hands         = false;
#        if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
    oneshot_swaphands_time = 0;
#        endif
}

#    endif

/** \brief Set oneshot layer
 *
 * FIXME: needs doc
 */
void set_oneshot_layer(uint8_t layer, uint8_t state) {
    if (keymap_config.oneshot_enable) {
        oneshot_layer_data = layer << 3 | state;
        layer_on(layer);
#    if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
        oneshot_layer_time = timer_read();
#    endif
        oneshot_layer_changed_kb(get_oneshot_layer());
    } else {
        layer_on(layer);
    }
}
/** \brief Reset oneshot layer
 *
 * FIXME: needs doc
 */
void reset_oneshot_layer(void) {
    oneshot_layer_data = 0;
#    if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
    oneshot_layer_time = 0;
#    endif
    oneshot_layer_changed_kb(get_oneshot_layer());
}
/** \brief Clear oneshot layer
 *
 * FIXME: needs doc
 */
void clear_oneshot_layer_state(oneshot_fullfillment_t state) {
    uint8_t start_state = oneshot_layer_data;
    oneshot_layer_data &= ~state;
    if ((!get_oneshot_layer_state() && start_state != oneshot_layer_data) && keymap_config.oneshot_enable) {
        layer_off(get_oneshot_layer());
        reset_oneshot_layer();
    }
}
/** \brief Is oneshot layer active
 *
 * FIXME: needs doc
 */
bool is_oneshot_layer_active(void) {
    return get_oneshot_layer_state();
}

/** \brief set oneshot
 *
 * FIXME: needs doc
 */
void oneshot_set(bool active) {
    if (keymap_config.oneshot_enable != active) {
        keymap_config.oneshot_enable = active;
        eeconfig_update_keymap(keymap_config.raw);
        clear_oneshot_layer_state(ONESHOT_OTHER_KEY_PRESSED);
        dprintf("Oneshot: active: %d\n", active);
    }
}

/** \brief toggle oneshot
 *
 * FIXME: needs doc
 */
void oneshot_toggle(void) {
    oneshot_set(!keymap_config.oneshot_enable);
}

/** \brief enable oneshot
 *
 * FIXME: needs doc
 */
void oneshot_enable(void) {
    oneshot_set(true);
}

/** \brief disable oneshot
 *
 * FIXME: needs doc
 */
void oneshot_disable(void) {
    oneshot_set(false);
}

bool is_oneshot_enabled(void) {
    return keymap_config.oneshot_enable;
}

#endif

/** \brief Send keyboard report
 *
 * FIXME: needs doc
 */
void send_keyboard_report(void) {
    keyboard_report->mods = real_mods;
    keyboard_report->mods |= weak_mods;

#ifndef NO_ACTION_ONESHOT
    if (oneshot_mods) {
#    if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
        if (has_oneshot_mods_timed_out()) {
            dprintf("Oneshot: timeout\n");
            clear_oneshot_mods();
        }
#    endif
        keyboard_report->mods |= oneshot_mods;
        if (has_anykey(keyboard_report)) {
            clear_oneshot_mods();
        }
    }

#endif

#ifdef KEY_OVERRIDE_ENABLE
    // These need to be last to be able to properly control key overrides
    keyboard_report->mods &= ~suppressed_mods;
    keyboard_report->mods |= weak_override_mods;
#endif

#ifdef PROTOCOL_VUSB
    host_keyboard_send(keyboard_report);
#else
    static report_keyboard_t last_report;

    /* Only send the report if there are changes to propagate to the host. */
    if (memcmp(keyboard_report, &last_report, sizeof(report_keyboard_t)) != 0) {
        memcpy(&last_report, keyboard_report, sizeof(report_keyboard_t));
        host_keyboard_send(keyboard_report);
    }
#endif
}

/** \brief Get mods
 *
 * FIXME: needs doc
 */
uint8_t get_mods(void) {
    return real_mods;
}
/** \brief add mods
 *
 * FIXME: needs doc
 */
void add_mods(uint8_t mods) {
    real_mods |= mods;
}
/** \brief del mods
 *
 * FIXME: needs doc
 */
void del_mods(uint8_t mods) {
    real_mods &= ~mods;
}
/** \brief set mods
 *
 * FIXME: needs doc
 */
void set_mods(uint8_t mods) {
    real_mods = mods;
}
/** \brief clear mods
 *
 * FIXME: needs doc
 */
void clear_mods(void) {
    real_mods = 0;
}

/** \brief get weak mods
 *
 * FIXME: needs doc
 */
uint8_t get_weak_mods(void) {
    return weak_mods;
}
/** \brief add weak mods
 *
 * FIXME: needs doc
 */
void add_weak_mods(uint8_t mods) {
    weak_mods |= mods;
}
/** \brief del weak mods
 *
 * FIXME: needs doc
 */
void del_weak_mods(uint8_t mods) {
    weak_mods &= ~mods;
}
/** \brief set weak mods
 *
 * FIXME: needs doc
 */
void set_weak_mods(uint8_t mods) {
    weak_mods = mods;
}
/** \brief clear weak mods
 *
 * FIXME: needs doc
 */
void clear_weak_mods(void) {
    weak_mods = 0;
}

#ifdef KEY_OVERRIDE_ENABLE
/** \brief set weak mods used by key overrides. DO not call this manually
 */
void set_weak_override_mods(uint8_t mods) {
    weak_override_mods = mods;
}
/** \brief clear weak mods used by key overrides. DO not call this manually
 */
void clear_weak_override_mods(void) {
    weak_override_mods = 0;
}

/** \brief set suppressed mods used by key overrides. DO not call this manually
 */
void set_suppressed_override_mods(uint8_t mods) {
    suppressed_mods = mods;
}
/** \brief clear suppressed mods used by key overrides. DO not call this manually
 */
void clear_suppressed_override_mods(void) {
    suppressed_mods = 0;
}
#endif

#ifndef NO_ACTION_ONESHOT
/** \brief get oneshot mods
 *
 * FIXME: needs doc
 */
uint8_t get_oneshot_mods(void) {
    return oneshot_mods;
}

void add_oneshot_mods(uint8_t mods) {
    if ((oneshot_mods & mods) != mods) {
#    if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
        oneshot_time = timer_read();
#    endif
        oneshot_mods |= mods;
        oneshot_mods_changed_kb(mods);
    }
}

void del_oneshot_mods(uint8_t mods) {
    if (oneshot_mods & mods) {
        oneshot_mods &= ~mods;
#    if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
        oneshot_time = oneshot_mods ? timer_read() : 0;
#    endif
        oneshot_mods_changed_kb(oneshot_mods);
    }
}

/** \brief set oneshot mods
 *
 * FIXME: needs doc
 */
void set_oneshot_mods(uint8_t mods) {
    if (keymap_config.oneshot_enable) {
        if (oneshot_mods != mods) {
#    if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
            oneshot_time = timer_read();
#    endif
            oneshot_mods = mods;
            oneshot_mods_changed_kb(mods);
        }
    }
}

/** \brief clear oneshot mods
 *
 * FIXME: needs doc
 */
void clear_oneshot_mods(void) {
    if (oneshot_mods) {
        oneshot_mods = 0;
#    if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
        oneshot_time = 0;
#    endif
        oneshot_mods_changed_kb(oneshot_mods);
    }
}
#endif

/** \brief Called when the one shot modifiers have been changed.
 *
 * \param mods Contains the active modifiers active after the change.
 */
__attribute__((weak)) void oneshot_locked_mods_changed_user(uint8_t mods) {}

/** \brief Called when the locked one shot modifiers have been changed.
 *
 * \param mods Contains the active modifiers active after the change.
 */
__attribute__((weak)) void oneshot_locked_mods_changed_kb(uint8_t mods) {
    oneshot_locked_mods_changed_user(mods);
}

/** \brief Called when the one shot modifiers have been changed.
 *
 * \param mods Contains the active modifiers active after the change.
 */
__attribute__((weak)) void oneshot_mods_changed_user(uint8_t mods) {}

/** \brief Called when the one shot modifiers have been changed.
 *
 * \param mods Contains the active modifiers active after the change.
 */
__attribute__((weak)) void oneshot_mods_changed_kb(uint8_t mods) {
    oneshot_mods_changed_user(mods);
}

/** \brief Called when the one shot layers have been changed.
 *
 * \param layer Contains the layer that is toggled on, or zero when toggled off.
 */
__attribute__((weak)) void oneshot_layer_changed_user(uint8_t layer) {}

/** \brief Called when the one shot layers have been changed.
 *
 * \param layer Contains the layer that is toggled on, or zero when toggled off.
 */
__attribute__((weak)) void oneshot_layer_changed_kb(uint8_t layer) {
    oneshot_layer_changed_user(layer);
}

/** \brief inspect keyboard state
 *
 * FIXME: needs doc
 */
uint8_t has_anymod(void) {
    return bitpop(real_mods);
}