users/konstantin/tap_dance.c

   1 #include "tap_dance.h"
   2 #include "konstantin.h"
   3
   4 #define ACTION_TAP_DANCE_DOUBLE_MOD(mod1, mod2) {                       \
   5         .fn        = { td_double_mod_each, NULL, td_double_mod_reset }, \
   6         .user_data = &(qk_tap_dance_pair_t){ mod1, mod2 },              \
   7     }
   8
   9 void td_double_mod_each(qk_tap_dance_state_t *state, void *user_data) {
  10     qk_tap_dance_pair_t *data = (qk_tap_dance_pair_t *)user_data;
  11
  12     // Single tap → mod1, double tap → mod2, triple tap etc. → mod1+mod2
  13     if (state->count == 1 || state->count == 3) {
  14         register_code(data->kc1);
  15     } else if (state->count == 2) {
  16         unregister_code(data->kc1);
  17         register_code(data->kc2);
  18     }
  19     // Prevent tap dance from sending the mods as weak mods
  20     state->weak_mods &= ~(MOD_BIT(data->kc1) | MOD_BIT(data->kc2));
  21 }
  22
  23 void td_double_mod_reset(qk_tap_dance_state_t *state, void *user_data) {
  24     qk_tap_dance_pair_t *data = (qk_tap_dance_pair_t *)user_data;
  25
  26     if (state->count == 1 || state->count >= 3) {
  27         unregister_code(data->kc1);
  28     }
  29     if (state->count >= 2) {
  30         unregister_code(data->kc2);
  31     }
  32 }
  33
  34 #define ACTION_TAP_DANCE_MOD_LAYER(mod, layer) {                      \
  35         .fn        = { td_mod_layer_each, NULL, td_mod_layer_reset }, \
  36         .user_data = &(qk_tap_dance_dual_role_t){ mod, layer },       \
  37     }
  38
  39 void td_mod_layer_each(qk_tap_dance_state_t *state, void *user_data) {
  40     qk_tap_dance_dual_role_t *data = (qk_tap_dance_dual_role_t *)user_data;
  41
  42     // Single tap → mod, double tap → layer, triple tap etc. → mod+layer
  43     if (state->count == 1 || state->count == 3) {
  44         register_code(data->kc);
  45     } else if (state->count == 2) {
  46         unregister_code(data->kc);
  47         // Prevent tap dance from sending the mod as a weak mod
  48         state->weak_mods &= ~MOD_BIT(data->kc);
  49         layer_on(data->layer);
  50     }
  51 }
  52
  53 void td_mod_layer_reset(qk_tap_dance_state_t *state, void *user_data) {
  54     qk_tap_dance_dual_role_t *data = (qk_tap_dance_dual_role_t *)user_data;
  55
  56     if (state->count == 1 || state->count >= 3) {
  57         unregister_code(data->kc);
  58     }
  59     if (state->count >= 2) {
  60         layer_off(data->layer);
  61     }
  62 }
  63
  64 #define ACTION_TAP_DANCE_LAYER_MOD(layer, mod) {                      \
  65         .fn        = { td_layer_mod_each, NULL, td_layer_mod_reset }, \
  66         .user_data = &(qk_tap_dance_layer_mod_t){ layer, mod, 0, 0 }, \
  67     }
  68
  69 typedef struct {
  70     uint8_t  layer;
  71     uint16_t kc;
  72     bool     layer_on;  // Layer state when tap dance started
  73     bool     started;
  74 } qk_tap_dance_layer_mod_t;
  75
  76 void td_layer_mod_each(qk_tap_dance_state_t *state, void *user_data) {
  77     qk_tap_dance_layer_mod_t *data = (qk_tap_dance_layer_mod_t *)user_data;
  78     if (!data->started) {
  79         data->layer_on = IS_LAYER_ON(data->layer);
  80         data->started = true;
  81     }
  82
  83     // Single tap → layer, double tap → mod, triple tap etc. → layer+mod
  84     if (state->count == 1 || state->count == 3) {
  85         layer_on(data->layer);
  86     } else if (state->count == 2) {
  87         if (!data->layer_on) {
  88             layer_off(data->layer);
  89         }
  90         register_code(data->kc);
  91     }
  92 }
  93
  94 void td_layer_mod_reset(qk_tap_dance_state_t *state, void *user_data) {
  95     qk_tap_dance_layer_mod_t *data = (qk_tap_dance_layer_mod_t *)user_data;
  96
  97     if ((state->count == 1 || state->count >= 3) && !data->layer_on) {
  98         layer_off(data->layer);
  99     }
 100     if (state->count >= 2) {
 101         unregister_code(data->kc);
 102     }
 103
 104     data->started = false;
 105 }
 106
 107 qk_tap_dance_action_t tap_dance_actions[] = {
 108     [TD_DST_A_R] = ACTION_TAP_DANCE_DOUBLE(DST_ADD, DST_REM),
 109
 110     [TD_RAL_LAL] = ACTION_TAP_DANCE_DOUBLE_MOD(KC_RALT, KC_LALT),
 111     [TD_RAL_RGU] = ACTION_TAP_DANCE_DOUBLE_MOD(KC_RALT, KC_RGUI),
 112     [TD_RCT_RSF] = ACTION_TAP_DANCE_DOUBLE_MOD(KC_RCTL, KC_RSFT),
 113     [TD_RSF_RCT] = ACTION_TAP_DANCE_DOUBLE_MOD(KC_RSFT, KC_RCTL),
 114
 115     [TD_LSFT_FN] = ACTION_TAP_DANCE_MOD_LAYER(KC_LSFT, L_FN),
 116     [TD_RCTL_FN] = ACTION_TAP_DANCE_MOD_LAYER(KC_RCTL, L_FN),
 117     [TD_FN_RCTL] = ACTION_TAP_DANCE_LAYER_MOD(L_FN, KC_RCTL),
 118 };