quantum/process_keycode/process_tap_dance.c

   1 #include "quantum.h"
   2
   3 static qk_tap_dance_state_t qk_tap_dance_state;
   4
   5 static void _process_tap_dance_action_pair (qk_tap_dance_state_t *state,
   6                                             uint16_t kc1, uint16_t kc2) {
   7   uint16_t kc;
   8
   9   if (state->count == 0)
  10     return;
  11
  12   kc = (state->count == 1) ? kc1 : kc2;
  13
  14   register_code (kc);
  15   unregister_code (kc);
  16
  17   if (state->count >= 2) {
  18     reset_tap_dance (state);
  19   }
  20 }
  21
  22 static void _process_tap_dance_action_fn (qk_tap_dance_state_t *state,
  23                                           qk_tap_dance_user_fn_t fn)
  24 {
  25   if (fn) {
  26     fn(state);
  27   }
  28 }
  29
  30 void process_tap_dance_action_on_each_tap (uint16_t keycode)
  31 {
  32   uint16_t idx = keycode - QK_TAP_DANCE;
  33   qk_tap_dance_action_t action;
  34
  35   action = tap_dance_actions[idx];
  36
  37   switch (action.type) {
  38   case QK_TAP_DANCE_TYPE_FN:
  39     _process_tap_dance_action_fn (&qk_tap_dance_state, action.fn.on_each_tap);
  40     break;
  41
  42   default:
  43     break;
  44   }
  45 }
  46
  47 void process_tap_dance_action_on_dance_finished (uint16_t keycode)
  48 {
  49   uint16_t idx = keycode - QK_TAP_DANCE;
  50   qk_tap_dance_action_t action;
  51
  52   action = tap_dance_actions[idx];
  53
  54   switch (action.type) {
  55   case QK_TAP_DANCE_TYPE_PAIR:
  56     _process_tap_dance_action_pair (&qk_tap_dance_state,
  57                                     action.pair.kc1, action.pair.kc2);
  58     break;
  59   case QK_TAP_DANCE_TYPE_FN:
  60     _process_tap_dance_action_fn (&qk_tap_dance_state, action.fn.on_dance_finished);
  61     break;
  62
  63   default:
  64     break;
  65   }
  66 }
  67
  68 bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
  69   bool r = true;
  70
  71   switch(keycode) {
  72   case QK_TAP_DANCE ... QK_TAP_DANCE_MAX:
  73     if (qk_tap_dance_state.keycode && qk_tap_dance_state.keycode != keycode) {
  74       process_tap_dance_action_on_dance_finished (qk_tap_dance_state.keycode);
  75     } else {
  76       r = false;
  77     }
  78
  79     if (record->event.pressed) {
  80       qk_tap_dance_state.keycode = keycode;
  81       qk_tap_dance_state.timer = timer_read ();
  82       qk_tap_dance_state.count++;
  83       process_tap_dance_action_on_each_tap (qk_tap_dance_state.keycode);
  84     }
  85     break;
  86
  87   default:
  88     if (qk_tap_dance_state.keycode) {
  89       process_tap_dance_action_on_each_tap (qk_tap_dance_state.keycode);
  90       process_tap_dance_action_on_dance_finished (qk_tap_dance_state.keycode);
  91       reset_tap_dance (&qk_tap_dance_state);
  92     }
  93     break;
  94   }
  95
  96   return r;
  97 }
  98
  99 void matrix_scan_tap_dance () {
 100   if (qk_tap_dance_state.keycode && timer_elapsed (qk_tap_dance_state.timer) > TAPPING_TERM) {
 101     process_tap_dance_action_on_dance_finished (qk_tap_dance_state.keycode);
 102     reset_tap_dance (&qk_tap_dance_state);
 103   }
 104 }
 105
 106 void reset_tap_dance (qk_tap_dance_state_t *state) {
 107   uint16_t idx = state->keycode - QK_TAP_DANCE;
 108   qk_tap_dance_action_t action;
 109
 110   action = tap_dance_actions[idx];
 111   switch (action.type) {
 112   case QK_TAP_DANCE_TYPE_FN:
 113     if (action.fn.on_reset) {
 114       action.fn.on_reset(state);
 115     }
 116     break;
 117
 118   default:
 119     break;
 120   }
 121
 122   state->keycode = 0;
 123   state->count = 0;
 124 }