qmk_firmware/users/konstantin/tap_dance.c

136 lines
4.6 KiB
C

/* Copyright 2019-2021 Konstantin Đorđević <vomindoraan@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 "tap_dance.h"
#include "konstantin.h"
#define ACTION_TAP_DANCE_DOUBLE_MOD(mod1, mod2) { \
.fn = { td_double_mod_each, NULL, td_double_mod_reset }, \
.user_data = &(tap_dance_pair_t){ mod1, mod2 }, \
}
void td_double_mod_each(tap_dance_state_t *state, void *user_data) {
tap_dance_pair_t *data = (tap_dance_pair_t *)user_data;
// Single tap → mod1, double tap → mod2, triple tap etc. → mod1+mod2
if (state->count == 1 || state->count == 3) {
register_code(data->kc1);
} else if (state->count == 2) {
unregister_code(data->kc1);
register_code(data->kc2);
}
// Prevent tap dance from sending the mods as weak mods
state->weak_mods &= ~(MOD_BIT(data->kc1) | MOD_BIT(data->kc2));
}
void td_double_mod_reset(tap_dance_state_t *state, void *user_data) {
tap_dance_pair_t *data = (tap_dance_pair_t *)user_data;
if (state->count == 1 || state->count >= 3) {
unregister_code(data->kc1);
}
if (state->count >= 2) {
unregister_code(data->kc2);
}
}
#define ACTION_TAP_DANCE_MOD_LAYER(mod, layer) { \
.fn = { td_mod_layer_each, NULL, td_mod_layer_reset }, \
.user_data = &(tap_dance_dual_role_t){ mod, layer }, \
}
void td_mod_layer_each(tap_dance_state_t *state, void *user_data) {
tap_dance_dual_role_t *data = (tap_dance_dual_role_t *)user_data;
// Single tap → mod, double tap → layer, triple tap etc. → mod+layer
if (state->count == 1 || state->count == 3) {
register_code(data->kc);
} else if (state->count == 2) {
unregister_code(data->kc);
// Prevent tap dance from sending the mod as a weak mod
state->weak_mods &= ~MOD_BIT(data->kc);
layer_on(data->layer);
}
}
void td_mod_layer_reset(tap_dance_state_t *state, void *user_data) {
tap_dance_dual_role_t *data = (tap_dance_dual_role_t *)user_data;
if (state->count == 1 || state->count >= 3) {
unregister_code(data->kc);
}
if (state->count >= 2) {
layer_off(data->layer);
}
}
#define ACTION_TAP_DANCE_LAYER_MOD(layer, mod) { \
.fn = { td_layer_mod_each, NULL, td_layer_mod_reset }, \
.user_data = &(tap_dance_layer_mod_t){ layer, mod, 0, 0 }, \
}
typedef struct {
uint8_t layer;
uint16_t kc;
bool layer_on; // Layer state when tap dance started
bool started;
} tap_dance_layer_mod_t;
void td_layer_mod_each(tap_dance_state_t *state, void *user_data) {
tap_dance_layer_mod_t *data = (tap_dance_layer_mod_t *)user_data;
if (!data->started) {
data->layer_on = IS_LAYER_ON(data->layer);
data->started = true;
}
// Single tap → layer, double tap → mod, triple tap etc. → layer+mod
if (state->count == 1 || state->count == 3) {
layer_on(data->layer);
} else if (state->count == 2) {
if (!data->layer_on) {
layer_off(data->layer);
}
register_code(data->kc);
}
}
void td_layer_mod_reset(tap_dance_state_t *state, void *user_data) {
tap_dance_layer_mod_t *data = (tap_dance_layer_mod_t *)user_data;
if ((state->count == 1 || state->count >= 3) && !data->layer_on) {
layer_off(data->layer);
}
if (state->count >= 2) {
unregister_code(data->kc);
}
data->started = false;
}
tap_dance_action_t tap_dance_actions[] = {
[TD_DST_A_R] = ACTION_TAP_DANCE_DOUBLE(DST_ADD, DST_REM),
[TD_RAL_RGU] = ACTION_TAP_DANCE_DOUBLE_MOD(KC_RALT, KC_RGUI),
[TD_RCT_RSF] = ACTION_TAP_DANCE_DOUBLE_MOD(KC_RCTL, KC_RSFT),
[TD_RSF_RCT] = ACTION_TAP_DANCE_DOUBLE_MOD(KC_RSFT, KC_RCTL),
#ifdef LAYER_FN
[TD_LSFT_FN] = ACTION_TAP_DANCE_MOD_LAYER(KC_LSFT, L_FN),
[TD_RCTL_FN] = ACTION_TAP_DANCE_MOD_LAYER(KC_RCTL, L_FN),
[TD_FN_RCTL] = ACTION_TAP_DANCE_LAYER_MOD(L_FN, KC_RCTL),
#endif
};