Big Switch and 5x5 edits (#4168)

* 4x4 - pro micro version

* pro-micro setup on 4x4

* tap dance LCTL/RESET key

* remove test file

* more research

* revert a couple un-intended edits

* opt_defs version of adding custom rules.mk variables

* cleanup

* cleanup

* cleanup

* cleanup

* layout edits

* layout edits

* keymap edit

* numpad layout change

* got tap dance layer-switch working

* keymap changes

* temporary revert

* restore previous settings

* misc fixes

* layer order change

* fix layout matrix

* Update tapdances.c

* playing around with triple tap dance

* sync with upstream

* quick edit

* tapdance cleanup

* mod tap interrupt

* tapping term edit

* tapping term adjust

* 5x5 board edits

* set gherkin tapping term

* big switch tap dance edit

* tapping term refinements

* 5x10 layout setup

* add audio for bigswitch

* keymap change

* keymap change & created testing board

* sound setup for big_switch

* more big switch size testing

* bigswitch testing finished

* final touch-ups

5 files changed, 196 insertions, 117 deletions

diff --git a/users/wanleg/config.h b/users/wanleg/config.h
index 28e7690e6..f2e785659 100644
--- a/users/wanleg/config.h
+++ b/users/wanleg/config.h
@@ -2,8 +2,17 @@
 #define USERSPACE_CONFIG_H
 
 //TAPPING_TERM
-#ifdef TAP_DANCE_ENABLE
-#define TAPPING_TERM 200
+//tapping term short (<100): on multi-purpose keys, slow taps may not register, but "holds" register easier. multi-tap keys may be difficult to activate.
+//tapping term long (>200): holds don't register as easily - noticeable when typing quickly (e.g. shift doesn't want to engage.)
+#if defined(TAP_DANCE_ENABLE) && defined(KEYBOARD_lets_split_rev2)
+//Kailh Coppers activate quickly and don't need a long tapping term
+#define TAPPING_TERM 100
+
+#elif defined(TAP_DANCE_ENABLE) && defined(KEYBOARD_bigswitch)
+#define TAPPING_TERM 700
+
+#else
+#define TAPPING_TERM 145
 #endif
 
 //Mousekey Settings
@@ -27,4 +36,9 @@
 #define NO_ACTION_FUNCTION
 #define NO_ACTION_ONESHOT
 
+// Disable mod tap interrrupt
+#ifndef IGNORE_MOD_TAP_INTERRUPT
+#define IGNORE_MOD_TAP_INTERRUPT
+#endif // !mod tap interrrupt
+
 #endif // !USERSPACE_CONFIG_H
diff --git a/users/wanleg/rules.mk b/users/wanleg/rules.mk
index 563040131..2a2a65cfe 100644
--- a/users/wanleg/rules.mk
+++ b/users/wanleg/rules.mk
@@ -9,8 +9,8 @@ ifeq ($(strip $(dfu)), qmk)
     BOOTLOADER = qmk-dfu
 endif
 
-#use alternate settings for 4x4 board using ProMicro instead of Micro
-#usage: make 4x4:wanleg PM=yes
+#use alternate settings for boards using ProMicro instead of Micro
+#example usage: make 4x4:wanleg PM=yes
 ifeq ($(strip $(PM)), yes)
 	OPT_DEFS += -DPRO_MICRO
 endif
diff --git a/users/wanleg/tapdances.c b/users/wanleg/tapdances.c
index 0778bf5f7..3878e6d31 100644
--- a/users/wanleg/tapdances.c
+++ b/users/wanleg/tapdances.c
@@ -1,6 +1,12 @@
 //Tap Dance Settings
 #include "wanleg.h"
 
+//audio settings for one of the tap dances below
+#ifdef AUDIO_ENABLE
+  float lyrup_song[][2]     = SONG(MUSIC_ON_SOUND);
+  float lyrdown_song[][2]  = SONG(MUSIC_OFF_SOUND);
+#endif
+
 ///// QUAD FUNCTION TAP DANCE GENERAL SETUP SECTION START /////
 ///// (no need to edit this section) /////
 //Enums used to clearly convey the state of the tap dance
@@ -9,7 +15,10 @@ enum {
   SINGLE_HOLD = 2,
   DOUBLE_TAP = 3,
   DOUBLE_HOLD = 4,
-  DOUBLE_SINGLE_TAP = 5 //send SINGLE_TAP twice - NOT DOUBLE_TAP
+  DOUBLE_SINGLE_TAP = 5, //send SINGLE_TAP twice - NOT DOUBLE_TAP
+  TRIPLE_TAP = 6,
+  TRIPLE_HOLD = 7,
+  TRIPLE_SINGLE_TAP = 8
   // Add more enums here if you want for triple, quadruple, etc.
 };
 
@@ -32,69 +41,18 @@ int cur_dance (qk_tap_dance_state_t *state) {
     else if (state->pressed) return DOUBLE_HOLD;
     else return DOUBLE_TAP;
   }
-  else return 6; //magic number. At some point this method will expand to work for more presses
-}
-///// QUAD FUNCTION TAP DANCE GENERAL SETUP SECTION END /////
-///// QUAD FUNCTION TAP DANCE PERSONALIZATION SECTION START /////
-//instantiate 'tap' for the 'ENT' tap dance.
-static tap ENTtap_state = {
-  .is_press_action = true,
-  .state = 0
-};
-
-void ENT_finished (qk_tap_dance_state_t *state, void *user_data) {
-  ENTtap_state.state = cur_dance(state);
-  switch (ENTtap_state.state) {
-    case SINGLE_TAP: register_code(KC_SPC); break;
-    case SINGLE_HOLD: register_code(KC_LSFT); break;
-    case DOUBLE_TAP: register_code(KC_ENT); break;
-    case DOUBLE_HOLD: register_code(KC_NO); break; // setting double hold to do nothing (change this if you want)
-    case DOUBLE_SINGLE_TAP: register_code(KC_SPC); unregister_code(KC_SPC); register_code(KC_SPC);
-    //Last case is for fast typing. Assuming your key is `f`:
-    //For example, when typing the word `buffer`, and you want to make sure that you send `ff` and not `Esc`.
-    //In order to type `ff` when typing fast, the next character will have to be hit within the `TAPPING_TERM`, which by default is 200ms.
-  }
-}
-
-void ENT_reset (qk_tap_dance_state_t *state, void *user_data) {
-  switch (ENTtap_state.state) {
-    case SINGLE_TAP: unregister_code(KC_SPC); break;
-    case SINGLE_HOLD: unregister_code(KC_LSFT); break;
-    case DOUBLE_TAP: unregister_code(KC_ENT); break;
-    case DOUBLE_HOLD: unregister_code(KC_NO);
-    case DOUBLE_SINGLE_TAP: unregister_code(KC_SPC);
-  }
-  ENTtap_state.state = 0;
-}
-
-//instantiate 'tap' for the 'DEL' tap dance.
-static tap DELtap_state = {
-  .is_press_action = true,
-  .state = 0
-};
-
-void DEL_finished (qk_tap_dance_state_t *state, void *user_data) {
-  DELtap_state.state = cur_dance(state);
-  switch (DELtap_state.state) {
-    case SINGLE_TAP: register_code(KC_BSPC); break;
-    case SINGLE_HOLD: register_code(KC_LCTL); break;
-    case DOUBLE_TAP: register_code(KC_DEL); break;
-    case DOUBLE_HOLD: register_code(KC_NO); break;
-    case DOUBLE_SINGLE_TAP: register_code(KC_BSPC); unregister_code(KC_BSPC); register_code(KC_BSPC);
-  }
-}
 
-void DEL_reset (qk_tap_dance_state_t *state, void *user_data) {
-  switch (DELtap_state.state) {
-    case SINGLE_TAP: unregister_code(KC_BSPC); break;
-    case SINGLE_HOLD: unregister_code(KC_LCTL); break;
-    case DOUBLE_TAP: unregister_code(KC_DEL); break;
-    case DOUBLE_HOLD: unregister_code(KC_NO);
-    case DOUBLE_SINGLE_TAP: unregister_code(KC_BSPC);
+  //If count = 3, and it has been interrupted - assume that user is trying to type the letter associated
+  //with double tap.
+  else if (state->count == 3) {
+    if (state->interrupted) return TRIPLE_SINGLE_TAP;
+    else if (state->pressed) return TRIPLE_HOLD;
+    else return TRIPLE_TAP;
   }
-  DELtap_state.state = 0;
+  else return 9; //magic number. At some point this method will expand to work for more presses
 }
-
+///// QUAD FUNCTION TAP DANCE GENERAL SETUP SECTION END /////
+///// QUAD FUNCTION TAP DANCE PERSONALIZATION SECTION START /////
 //instantiate 'tap' for the 'CAD' tap dance.
 static tap CADtap_state = {
   .is_press_action = true,
@@ -104,14 +62,14 @@ static tap CADtap_state = {
 void CAD_finished (qk_tap_dance_state_t *state, void *user_data) {
   CADtap_state.state = cur_dance(state);
   switch (CADtap_state.state) {
-    case SINGLE_TAP: 
-		//register_code(KC_SPC); 
+    case SINGLE_TAP:
+		//register_code(KC_SPC);
 		SEND_STRING(SS_LGUI("l"));
 		#ifdef BACKLIGHT_ENABLE
-		backlight_set(3);
+    backlight_level(3);
 		#endif
 		break;
-    case SINGLE_HOLD: 
+    case SINGLE_HOLD:
 		//register_code(KC_NO);
 		//take a screenshot of a single window, open Paint and paste
 		SEND_STRING(SS_LALT(SS_TAP(X_PSCREEN)) SS_LGUI("r"));
@@ -120,47 +78,37 @@ void CAD_finished (qk_tap_dance_state_t *state, void *user_data) {
         _delay_ms(700);
         SEND_STRING(SS_LCTRL("v"));
 		break; //register this keycode when button is held
-    case DOUBLE_TAP: 
-		//register_code(KC_ENT); 
+    case DOUBLE_TAP:
+		//register_code(KC_ENT);
 		SEND_STRING(SS_LCTRL(SS_LALT(SS_TAP(X_DELETE))));
 		#ifdef BACKLIGHT_ENABLE
-		backlight_set(0);
+    backlight_level(0);
 		#endif
 		break;
     //case DOUBLE_HOLD: register_code(KC_NO); break; //register this keycode when button is tapped and then held
-	case DOUBLE_HOLD: 
-		reset_keyboard(); 
+	case DOUBLE_HOLD:
+		reset_keyboard();
 		break; //register this keycode when button is tapped and then held
-    case DOUBLE_SINGLE_TAP: register_code(KC_NO); unregister_code(KC_NO); register_code(KC_NO);
+	case TRIPLE_TAP:
+		SEND_STRING("wanleg@github.com");
+		break;
+	case TRIPLE_HOLD:
+  set_single_persistent_default_layer(1);
+  #ifdef AUDIO_ENABLE
+    stop_all_notes();
+    PLAY_SONG(lyrup_song);
+  #endif
+  break;
   }
 }
 
 void CAD_reset (qk_tap_dance_state_t *state, void *user_data) {
   switch (CADtap_state.state) {
-    case SINGLE_TAP: 
-		//unregister_code(KC_SPC); 
-		SEND_STRING(SS_LGUI("l"));
-		#ifdef BACKLIGHT_ENABLE
-		backlight_set(3);
-		#endif
-		break;
-    case SINGLE_HOLD: 
-		register_code(KC_NO); //(un)register this keycode when button is held and then released
-		//SEND_STRING(SS_LCTRL("v"));
-		break; 
-    case DOUBLE_TAP: 
-		//register_code(KC_ENT); 
-		SEND_STRING(SS_LCTRL(SS_LALT(SS_TAP(X_DELETE))));
-		#ifdef BACKLIGHT_ENABLE
-		backlight_set(0);
-		#endif
-		break;
-    case DOUBLE_HOLD: register_code(KC_NO); //(un)register this keycode when button is tapped and then held, and then released
-    case DOUBLE_SINGLE_TAP: unregister_code(KC_NO);
+//nothing to do
   }
   CADtap_state.state = 0;
-}  
-  
+}
+
 //instantiate 'tap' for the 'RST' tap dance.
 static tap RSTtap_state = {
   .is_press_action = true,
@@ -173,21 +121,18 @@ void RST_finished (qk_tap_dance_state_t *state, void *user_data) {
 	case SINGLE_TAP: register_code(KC_LCTL); break;
 	case SINGLE_HOLD: register_code(KC_LCTL); break;
 	case DOUBLE_TAP: reset_keyboard(); break;
-	case DOUBLE_HOLD: register_code(KC_NO); break;
-	case DOUBLE_SINGLE_TAP: register_code(KC_LCTL); unregister_code(KC_LCTL); register_code(KC_LCTL);
+	case DOUBLE_SINGLE_TAP: register_code(KC_LCTL); unregister_code(KC_LCTL); register_code(KC_LCTL); break;
   }
-}		
+}
 
 void RST_reset (qk_tap_dance_state_t *state, void *user_data) {
   switch (RSTtap_state.state) {
 	case SINGLE_TAP: unregister_code(KC_LCTL); break;
 	case SINGLE_HOLD: unregister_code(KC_LCTL); break;
-	case DOUBLE_TAP: unregister_code(KC_NO); break;
-	case DOUBLE_HOLD: unregister_code(KC_NO);
-    case DOUBLE_SINGLE_TAP: unregister_code(KC_LCTL);
+    case DOUBLE_SINGLE_TAP: unregister_code(KC_LCTL); break;
   }
   RSTtap_state.state = 0;
-}	
+}
 
 //instantiate 'tap' for the 'LYR' tap dance.
 static tap LYRtap_state = {
@@ -199,23 +144,106 @@ void LYR_finished (qk_tap_dance_state_t *state, void *user_data) {
   LYRtap_state.state = cur_dance(state);
   switch (LYRtap_state.state) {
 	case SINGLE_TAP: register_code(KC_PSLS); break;
-	case SINGLE_HOLD: register_code(KC_NO); break;
 	case DOUBLE_TAP: set_single_persistent_default_layer(_GK); break;
-	case DOUBLE_HOLD: register_code(KC_NO); break;
     case DOUBLE_SINGLE_TAP: register_code(KC_PSLS); unregister_code(KC_PSLS); register_code(KC_PSLS);
   }
-}		
+}
 
 void LYR_reset (qk_tap_dance_state_t *state, void *user_data) {
   switch (LYRtap_state.state) {
     case SINGLE_TAP: unregister_code(KC_PSLS); break;
-    case SINGLE_HOLD: unregister_code(KC_NO); break;
     case DOUBLE_TAP: set_single_persistent_default_layer(_GK); break;
-    case DOUBLE_HOLD: unregister_code(KC_NO);
     case DOUBLE_SINGLE_TAP: unregister_code(KC_PSLS);
   }
   LYRtap_state.state = 0;
-}	
+}
+
+//instantiate 'tap' for the 'LYR75' tap dance.
+static tap LYR75tap_state = {
+  .is_press_action = true,
+  .state = 0
+};
+
+void LYR75_finished (qk_tap_dance_state_t *state, void *user_data) {
+  LYR75tap_state.state = cur_dance(state);
+  switch (LYR75tap_state.state) {
+	case SINGLE_TAP: register_code(KC_PSLS); break;
+	case DOUBLE_TAP: set_single_persistent_default_layer(GK75); break;
+    case DOUBLE_SINGLE_TAP: register_code(KC_PSLS); unregister_code(KC_PSLS); register_code(KC_PSLS);
+  }
+}
+
+void LYR75_reset (qk_tap_dance_state_t *state, void *user_data) {
+  switch (LYR75tap_state.state) {
+    case SINGLE_TAP: unregister_code(KC_PSLS); break;
+    case DOUBLE_TAP: set_single_persistent_default_layer(GK75); break;
+    case DOUBLE_SINGLE_TAP: unregister_code(KC_PSLS);
+  }
+  LYR75tap_state.state = 0;
+}
+
+//instantiate 'tap' for the 'LYR50' tap dance.
+static tap LYR50tap_state = {
+  .is_press_action = true,
+  .state = 0
+};
+
+void LYR50_finished (qk_tap_dance_state_t *state, void *user_data) {
+  LYR50tap_state.state = cur_dance(state);
+  switch (LYR75tap_state.state) {
+	case SINGLE_TAP: register_code(KC_PSLS); break;
+	case DOUBLE_TAP: set_single_persistent_default_layer(GK50); break;
+    case DOUBLE_SINGLE_TAP: register_code(KC_PSLS); unregister_code(KC_PSLS); register_code(KC_PSLS);
+  }
+}
+
+void LYR50_reset (qk_tap_dance_state_t *state, void *user_data) {
+  switch (LYR50tap_state.state) {
+    case SINGLE_TAP: unregister_code(KC_PSLS); break;
+    case DOUBLE_TAP: set_single_persistent_default_layer(GK50); break;
+    case DOUBLE_SINGLE_TAP: unregister_code(KC_PSLS);
+  }
+  LYR50tap_state.state = 0;
+}
+
+//instantiate 'tap' for the 'BSW' tap dance.
+static tap BSWtap_state = {
+  .is_press_action = true,
+  .state = 0
+};
+
+void BSW_finished (qk_tap_dance_state_t *state, void *user_data) {
+  BSWtap_state.state = cur_dance(state);
+  switch (BSWtap_state.state) {
+    case SINGLE_TAP: register_code(KC_ENTER); break;
+    case SINGLE_HOLD:
+      set_single_persistent_default_layer(0);
+      #ifdef AUDIO_ENABLE
+        stop_all_notes();
+        PLAY_SONG(lyrdown_song);
+      #endif
+      break;
+    case DOUBLE_TAP:
+	  register_code(KC_LCTRL);
+      register_code(KC_C);
+	  break;
+	case DOUBLE_HOLD:
+	  reset_keyboard();
+	  break; //register this keycode when button is tapped and then held
+  }
+}
+
+void BSW_reset (qk_tap_dance_state_t *state, void *user_data) {
+  switch (BSWtap_state.state) {
+    case SINGLE_TAP: unregister_code(KC_ENTER); break;
+    case DOUBLE_TAP:
+	  unregister_code(KC_LCTRL);
+	  unregister_code(KC_C);
+	  break;
+  }
+  BSWtap_state.state = 0;
+}
+
 ///// QUAD FUNCTION TAP DANCE PERSONALIZATION SECTION END /////
 
 //Tap Dance Definitions
@@ -224,12 +252,12 @@ qk_tap_dance_action_t tap_dance_actions[] = {
   [TD_SFT_CAPS] = ACTION_TAP_DANCE_DOUBLE(KC_LSFT, KC_CAPS)
 // Other declarations would go here, separated by commas, if you have them
  ,[TD_Q_ESC]  = ACTION_TAP_DANCE_DOUBLE(KC_Q, KC_ESC)
- ,[ENT_TAP_DANCE] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, ENT_finished, ENT_reset)
- ,[DEL_TAP_DANCE] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, DEL_finished, DEL_reset)
  ,[RST_TAP_DANCE] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, RST_finished, RST_reset)
  ,[CAD_TD] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, CAD_finished, CAD_reset)
  ,[LYR_TAP_DANCE] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, LYR_finished, LYR_reset)
-
+ ,[LYR75_TAP_DANCE] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, LYR75_finished, LYR75_reset)
+ ,[LYR50_TAP_DANCE] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, LYR50_finished, LYR50_reset)
+ ,[BSW_TAP_DANCE] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, BSW_finished, BSW_reset)
 };
 
 //In Layer declaration, add tap dance item in place of a key code
diff --git a/users/wanleg/wanleg.c b/users/wanleg/wanleg.c
index f22c34ba3..4e60c422f 100644
--- a/users/wanleg/wanleg.c
+++ b/users/wanleg/wanleg.c
@@ -47,6 +47,12 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
       }
       return false;
       break;
+    case GHERKIN50:
+    if (record->event.pressed) {
+      set_single_persistent_default_layer(GK50);
+      }
+      return false;
+      break;
     case SUBTER:
       if (record->event.pressed) {
         layer_on(SUB);
diff --git a/users/wanleg/wanleg.h b/users/wanleg/wanleg.h
index 65028751a..9e0cf3ee5 100644
--- a/users/wanleg/wanleg.h
+++ b/users/wanleg/wanleg.h
@@ -27,10 +27,12 @@ enum userspace_layers {
   ETC75,
   FN75,
   PAD,
+  GK50,
 };
 #elif KEYBOARD_xd75
 enum userspace_layers {
   GK75 = 0,
+  PAD,
   QW75,
   SUB75,
   SUP75,
@@ -50,7 +52,32 @@ enum userspace_layers {
   gNUM,
   gDIR,
   gETC,
+  GK50,
+};
+#elif KEYBOARD_5x5
+enum userspace_layers {
+  GK50 = 0,
+  gNUM,
+  gDIR,
+  gETC,
+  GK75,
+  QW75,
+  SUB75,
+  SUP75,
+  NUM75,
+  DIR75,
+  ETC75,
+  FN75,
   PAD,
+  gGK,
+  _GK,
+  _QW,
+  ONE,
+  SUB,
+  SUP,
+  NUM,
+  DIR,
+  ETC,
 };
 #else
   enum userspace_layers {
@@ -75,6 +102,7 @@ enum userspace_layers {
   DIR75,
   ETC75,
   FN75,
+  GK50,
 };
 #endif
 
@@ -100,6 +128,7 @@ enum userspace_custom_keycodes {
   ETCETERA75,
   FUNCTION75,
   NUMPAD,
+  GHERKIN50,
 
 };
 
@@ -108,11 +137,12 @@ enum userspace_custom_keycodes {
 enum {
   TD_SFT_CAPS = 0
   ,TD_Q_ESC
-  ,ENT_TAP_DANCE
-  ,DEL_TAP_DANCE
   ,CAD_TD
   ,RST_TAP_DANCE
   ,LYR_TAP_DANCE
+  ,LYR50_TAP_DANCE
+  ,LYR75_TAP_DANCE
+  ,BSW_TAP_DANCE
 };
 #endif
 
@@ -130,6 +160,7 @@ enum {
 #define LAYOUT_ortho_4x12_wrapper(...)       LAYOUT_ortho_4x12(__VA_ARGS__)
 #define LAYOUT_ortho_5x15_wrapper(...)       LAYOUT_ortho_5x15(__VA_ARGS__)
 #define LAYOUT_ortho_4x4_wrapper(...)        LAYOUT_ortho_4x4(__VA_ARGS__)
+#define LAYOUT_ortho_5x5_wrapper(...)        LAYOUT_ortho_5x5(__VA_ARGS__)
 
 // Blocks for each of the major keyboard layouts
 // Organized so we can quickly adapt and modify all of them
@@ -189,12 +220,12 @@ enum {
  * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
  * | mLeft  | mDown  | mRight |        | SHIFT  | mBtn3  | mBtn1  | mBtn2  |  ;     |  '     |
  * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
- * | Sft//Cp|        |        |        |        | C-A-D  | mScrL  | mScrR  | ALT    |  DEL   |
+ * | Sft//Cp| CAPS   |        |        |        | C-A-D  | mScrL  | mScrR  | ALT    |  DEL   |
  * '-----------------------------------------------------------------------------------------'
  */
 #define _______________Gherkin_ETC_0_______________			KC_GRV, 		KC_MS_U, _______,_______, RESET,   KC_RSFT, 			KC_WH_U, KC_WH_D, _______, KC_BSLS
 #define _______________Gherkin_ETC_1_______________			KC_MS_L, 		KC_MS_D, KC_MS_R,_______, KC_LSFT, KC_BTN3, 			KC_BTN1, KC_BTN2, KC_SCLN, KC_QUOT
-#define _______________Gherkin_ETC_2_______________			TD(TD_SFT_CAPS),_______, _______,_______, _______, LALT(LCTL(KC_DEL)),	KC_WH_L, KC_WH_R, KC_LALT, KC_DEL
+#define _______________Gherkin_ETC_2_______________			TD(TD_SFT_CAPS),KC_CAPS, _______,_______, _______, LALT(LCTL(KC_DEL)),	KC_WH_L, KC_WH_R, KC_LALT, KC_DEL
 
 /* Gherkin-Like
  * .-----------------------------------------------------------------------------------------------------------.