1 files changed, 91 insertions, 0 deletions
diff --git a/users/brandonschlack/tap_dances.c b/users/brandonschlack/tap_dances.c
new file mode 100644
index 0000000000..861b31805b
--- /dev/null
+++ b/users/brandonschlack/tap_dances.c
@@ -0,0 +1,91 @@
+/* Copyright 2020 Brandon Schlack
+ *
+ * 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_dances.h"
+#include "process_keycode/process_tap_dance.h"
+
+int cur_dance (qk_tap_dance_state_t *state) {
+    if (state->count == 1) {
+        if (state->interrupted || !state->pressed)  return SINGLE_TAP;
+        else return SINGLE_HOLD;
+    } else if (state->count == 2) {
+        if (state->interrupted) return DOUBLE_SINGLE_TAP;
+        else if (state->pressed) return DOUBLE_HOLD;
+        else return DOUBLE_TAP;
+    }
+    if (state->count == 3) {
+        if (state->interrupted || !state->pressed)  return TRIPLE_TAP;
+        else return TRIPLE_HOLD;
+    }
+    else return 8;
+}
+
+__attribute__ ((weak))
+void process_tap_dance_keycode (bool reset, uint8_t toggle_layer) { };
+
+void td_trigger_layer_finished (qk_tap_dance_state_t *state, void *user_data) {
+    qk_tap_dance_trigger_layer_t *data = (qk_tap_dance_trigger_layer_t *)user_data;
+    data->state = cur_dance(state);
+
+    if (data->state == data->trigger) {
+        layer_on(data->layer);
+    } else {
+        process_tap_dance_keycode(false, data->layer);
+    }
+
+}
+void td_trigger_layer_reset (qk_tap_dance_state_t *state, void *user_data) {
+    qk_tap_dance_trigger_layer_t *data = (qk_tap_dance_trigger_layer_t *)user_data;
+    if (data->state == data->trigger) {
+        switch (data->trigger) {
+            case SINGLE_HOLD:
+            case DOUBLE_HOLD:
+            case TRIPLE_HOLD:
+                layer_off(data->layer);
+                break;
+        }
+    } else {
+        process_tap_dance_keycode(true, data->layer);
+    }
+    data->state = 0;
+}
+
+/* Tap Dance: Layer Mod. Toggles Layer when tapped, Mod when held. */
+void td_layer_mod_each(qk_tap_dance_state_t *state, void *user_data) {
+    qk_tap_dance_dual_role_t *data = (qk_tap_dance_dual_role_t *)user_data;
+
+    // Single tap → toggle layer, Single hold → mod
+    if (state->pressed) {
+        register_code(data->kc);
+    } else if (state->count == 1) {
+        state->finished = true;
+    }
+}
+
+void td_layer_mod_finished(qk_tap_dance_state_t *state, void *user_data) {
+    qk_tap_dance_dual_role_t *data = (qk_tap_dance_dual_role_t *)user_data;
+
+    if (state->count == 1 && !state->pressed) {
+        layer_invert(data->layer);
+    }
+}
+
+void td_layer_mod_reset(qk_tap_dance_state_t *state, void *user_data) {
+    qk_tap_dance_dual_role_t *data = (qk_tap_dance_dual_role_t *)user_data;
+
+    if (state->count == 1) {
+        unregister_code(data->kc);
+    }
+}