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-rw-r--r--users/muppetjones/features/dancelayers.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/users/muppetjones/features/dancelayers.c b/users/muppetjones/features/dancelayers.c
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+/* Copyright 2020 Stephen J. Bush
+ *
+ * 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/>.
+ */
+
+#ifdef TAP_DANCE_ENABLE
+
+# include QMK_KEYBOARD_H
+# include "muppetjones.h"
+# include "dancelayers.h"
+
+// Initialize tap structure associated with example tap dance key
+static td_tap_t lyr_tap_state = {.is_press_action = true, .state = TD_NONE};
+
+/* @brief Determine the current tap dance state
+ * @param A tap dance state struct.
+ * @return A struct.
+ */
+td_state_t cur_dance(qk_tap_dance_state_t *state) {
+ switch (state->count) {
+ case 1:
+ if (!state->pressed)
+ return TD_1X_TAP;
+ else
+ return TD_1X_HOLD;
+ case 2:
+ return TD_2X_TAP;
+ break;
+ case 3:
+ return TD_3X_TAP;
+ break;
+ case 4:
+ return TD_4X_TAP;
+ break;
+ default:
+ return TD_UNKNOWN;
+ }
+}
+
+// Functions that control what our tap dance key does
+__attribute__((weak)) void td_layer_finished(qk_tap_dance_state_t *state, void *user_data) {
+ lyr_tap_state.state = cur_dance(state);
+ switch (lyr_tap_state.state) {
+ case TD_1X_TAP:
+ if (layer_state_is(_MOUSE))
+ layer_off(_MOUSE);
+ else
+ layer_on(_MOUSE);
+ break;
+ case TD_1X_HOLD:
+ layer_on(_ADJUST);
+ break;
+ case TD_2X_TAP:
+ // Toggle lower layer
+ if (layer_state_is(_LOWER))
+ layer_off(_LOWER);
+ else
+ layer_on(_LOWER);
+ break;
+ case TD_3X_TAP:
+ // Toggle lower layer
+ if (layer_state_is(_RAISE))
+ layer_off(_RAISE);
+ else
+ layer_on(_RAISE);
+ break;
+ case TD_4X_TAP:
+ // Toggle lower layer
+ if (layer_state_is(_ADJUST))
+ layer_off(_ADJUST);
+ else
+ layer_on(_ADJUST);
+ break;
+ default:
+ break;
+ }
+}
+
+__attribute__((weak)) void td_layer_reset(qk_tap_dance_state_t *state, void *user_data) {
+ // If the key was held down and now is released then switch off the layer
+ if (lyr_tap_state.state == TD_1X_HOLD) {
+ layer_off(_ADJUST);
+ }
+ lyr_tap_state.state = TD_NONE;
+}
+
+#endif