[Keymap] New tap dance code added to userspace and keymaps (qmk#5468)

* Adding new tap dance key

* Adding new tap dance code

* add code for copy/paste to tap dance

* testing tap dance enums

* New tap dance keycodes

* Fix enums

keyboards/hs60/v2/keymaps/stanrc85/keymap.c

@@ -22,7 +22,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 		KC_TAB,  KC_Q,    KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSLS,
 		KC_CTLE, KC_A,    KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K,    KC_L,    KC_SCLN, KC_QUOT, KC_ENT,
 		KC_LSFT, KC_Z,    KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,
-		KC_LCTL, KC_LGUI, KC_LALT,          LT_SPCF,          KC_RALT, TD_TWIN, MO(3),   KC_RCTL),
+		KC_LCTL, KC_LGUI, KC_LALT,          LT_SPCF,          KC_RALT, TD_TWIN, MO(3),   TD_TCTL),
 
 	[1] = LAYOUT_60_ansi(
 		KC_GESC, KC_1,    KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8,    KC_9,   KC_0,    KC_MINS, KC_EQL,  KC_BSPC,

layouts/community/60_ansi/stanrc85-ansi/keymap.c

@@ -22,7 +22,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 		KC_TAB,  KC_Q,    KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSLS,
 		KC_CTLE, KC_A,    KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K,    KC_L,    KC_SCLN, KC_QUOT, KC_ENT,
 		KC_LSFT, KC_Z,    KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,
-		KC_LCTL, KC_LGUI, KC_LALT,          LT_SPCF,          KC_RALT, TD_TWIN, MO(3),   KC_RCTL),
+		KC_LCTL, KC_LGUI, KC_LALT,          LT_SPCF,          KC_RALT, TD_TWIN, MO(3),   TD_TCTL),
 
 	[1] = LAYOUT_60_ansi(
 		KC_GESC, KC_1,    KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8,    KC_9,   KC_0,    KC_MINS, KC_EQL,  KC_BSPC,

users/stanrc85/stanrc85.c

@@ -1,13 +1,53 @@
 #include "stanrc85.h"
 
+static td_state_t td_state;
+
 __attribute__ ((weak))
 bool process_record_keymap(uint16_t keycode, keyrecord_t *record) {
   return true;
 }
 
+// determine the tapdance state to return
+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; }
+  }
+  if (state->count == 2) { return DOUBLE_TAP; }
+  else { return 3; } // any number higher than the maximum state value you return above
+}
+
+// handle the possible states for each tapdance keycode you define:
+void ctl_copy_finished (qk_tap_dance_state_t *state, void *user_data) {
+  td_state = cur_dance(state);
+  switch (td_state) {
+    case SINGLE_TAP:
+      SEND_STRING(SS_LCTRL("c"));
+      break;
+    case SINGLE_HOLD:
+      register_mods(MOD_BIT(KC_RCTL));
+      break;
+    case DOUBLE_TAP:
+      SEND_STRING(SS_LCTRL("v"));
+  }
+}
+
+void ctl_copy_reset (qk_tap_dance_state_t *state, void *user_data) {
+  switch (td_state) {
+    case SINGLE_TAP:
+      break;
+    case SINGLE_HOLD:
+      unregister_mods(MOD_BIT(KC_RCTL));
+      break;
+    case DOUBLE_TAP:
+      break;
+  }
+}
+
 qk_tap_dance_action_t tap_dance_actions[] = {
 	[TD_WIN] = ACTION_TAP_DANCE_DOUBLE(KC_CAD, KC_LOCK),
-	[TD_ESC] = ACTION_TAP_DANCE_DOUBLE(KC_ESC, KC_GRV)
+	[TD_ESC] = ACTION_TAP_DANCE_DOUBLE(KC_ESC, KC_GRV),
+  [TD_RCTL] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, ctl_copy_finished, ctl_copy_reset)
 };
 
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {

users/stanrc85/stanrc85.h

@@ -8,17 +8,6 @@
 #define LAYER2 2   //Function keys, arrows, custom shortcuts, volume control
 #define LAYER3 3   //RGB Underglow controls and RESET
 
-enum custom_keycodes {
-  KC_MAKE = SAFE_RANGE,
-  NEW_SAFE_RANGE  //use "NEW_SAFE_RANGE" for keymap specific codes
-};
-
-//Tap Dance Declarations
-enum {
-	TD_WIN = 0,
-	TD_ESC
-};
-
 //Aliases for longer keycodes
 #define KC_CAD	LALT(LCTL(KC_DEL))
 #define KC_LOCK	LGUI(KC_L)
@@ -28,3 +17,28 @@ enum {
 #define LT_SPCF LT(2, KC_SPC)
 #define TD_TESC TD(TD_ESC)
 #define TD_TWIN TD(TD_WIN)
+#define TD_TCTL TD(TD_RCTL)
+
+enum cust_keys {
+	KC_MAKE = SAFE_RANGE
+};
+
+enum tap_dance {
+  TD_WIN,
+  TD_ESC,
+  TD_RCTL
+};
+
+// define a type containing as many tapdance states as you need
+typedef enum {
+  SINGLE_TAP,
+  SINGLE_HOLD,
+  DOUBLE_TAP
+} td_state_t;
+
+// function to determine the current tapdance state
+int cur_dance (qk_tap_dance_state_t *state);
+
+// `finished` and `reset` functions for each tapdance keycode
+void ctl_copy_finished (qk_tap_dance_state_t *state, void *user_data);
+void ctl_copy_reset (qk_tap_dance_state_t *state, void *user_data);