Add Daniel Gordon's Ergodox Infinity and Chimera

   * gordon.c defines many aliases for KC codes.
   * gordon.c defines many advanced tap dance functions.
   * This is a squashed commit of about 6 months of work on chimera and
     ergodox infinity changes.
   * Ignore the change-id below.

Change-Id: I83927139e8a80fe08992ae91ec7d62571498f7f7

1 files changed, 275 insertions, 0 deletions

diff --git a/users/gordon/gordon.c b/users/gordon/gordon.c
new file mode 100644
index 000000000..056012a21
--- /dev/null
+++ b/users/gordon/gordon.c
@@ -0,0 +1,275 @@
+#include "gordon.h"
+#include "quantum.h"
+#include "action.h"
+#include "process_keycode/process_tap_dance.h"
+
+#if (__has_include("secret.h"))
+#include "secret.h"
+#else
+const char secret[][64] = {
+  "test1",
+  "test2",
+  "test3",
+  "test4",
+  "test5"
+};
+#endif
+
+
+
+
+void register_hyper (void) { //Helper function to invoke Hyper
+  register_code (KC_LSFT);
+  register_code (KC_LCTL); 
+  register_code (KC_LALT); 
+  register_code (KC_LGUI); 
+}
+void unregister_hyper (void) { //Helper function to invoke Hyper
+  unregister_code (KC_LSFT);
+  unregister_code (KC_LCTL); 
+  unregister_code (KC_LALT); 
+  unregister_code (KC_LGUI); 
+}
+
+void register_ctrl_a (void) {
+  register_code(KC_LCTL);
+  register_code(KC_A);
+}
+
+void unregister_ctrl_a (void) {
+  unregister_code(KC_LCTL);
+  unregister_code(KC_A);
+}
+
+void register_alt_f7 (void) { 
+  register_code (KC_LALT); 
+  register_code (KC_F7);
+}
+
+void unregister_alt_f7 (void) { 
+  unregister_code (KC_LALT); 
+  unregister_code (KC_F7);
+}
+
+void register_shift_f6 (void) { 
+  register_code (KC_LSFT); 
+  register_code (KC_F6);
+}
+
+void unregister_shift_f6 (void) { 
+  unregister_code (KC_LSFT); 
+  unregister_code (KC_F6);
+}
+
+void register_ctrl_shift (void) { 
+  register_code (KC_LSFT); 
+  register_code (KC_LCTRL);
+}
+
+void unregister_ctrl_shift (void) { 
+  unregister_code (KC_LSFT); 
+  unregister_code (KC_LCTRL);
+}
+
+void register_alt_shift (void) { 
+  register_code (KC_LSFT); 
+  register_code (KC_LALT);
+}
+
+void unregister_alt_shift (void) { 
+  unregister_code (KC_LSFT); 
+  unregister_code (KC_LALT);
+}
+
+// To activate SINGLE_HOLD, you will need to hold for 200ms first. 
+// This tap dance favors keys that are used frequently in typing like 'f'
+int cur_dance (qk_tap_dance_state_t *state) {
+  if (state->count == 1) {
+    //If count = 1, and it has been interrupted - it doesn't matter if it is pressed or not: Send SINGLE_TAP
+    if (state->interrupted) {
+      //     if (!state->pressed) return SINGLE_TAP; 
+      //need "permissive hold" here.
+      //     else return SINsGLE_HOLD; 
+      //If the interrupting key is released before the tap-dance key, then it is a single HOLD
+      //However, if the tap-dance key is released first, then it is a single TAP
+      //But how to get access to the state of the interrupting key????
+      return SINGLE_TAP;
+    }
+    else {
+      if (!state->pressed) return SINGLE_TAP;
+      else return SINGLE_HOLD;
+    }
+  }
+  //If count = 2, and it has been interrupted - assume that user is trying to type the letter associated
+  //with single tap.
+  else if (state->count == 2) {
+    if (state->interrupted) return DOUBLE_SINGLE_TAP;
+    else if (state->pressed) return DOUBLE_HOLD;
+    else return DOUBLE_TAP; 
+  } 
+  else if ((state->count == 3) && ((state->interrupted) || (!state->pressed))) return TRIPLE_TAP;
+  else if (state->count == 3) return TRIPLE_HOLD;
+  else return 8; //magic number. At some point this method will expand to work for more presses
+}
+
+//This works well if you want this key to work as a "fast modifier". It favors being held over being tapped.
+int hold_cur_dance (qk_tap_dance_state_t *state) {
+  if (state->count == 1) {
+    if (state->interrupted) {
+      if (!state->pressed) return SINGLE_TAP; 
+      else return SINGLE_HOLD; 
+    }
+    else {
+      if (!state->pressed) return SINGLE_TAP;
+      else return SINGLE_HOLD;
+    }
+  }
+  //If count = 2, and it has been interrupted - assume that user is trying to type the letter associated
+  //with single tap.
+  else if (state->count == 2) {
+    if (state->pressed) return DOUBLE_HOLD;
+    else return DOUBLE_TAP; 
+  } 
+  else if (state->count == 3) {
+    if (!state->pressed) return TRIPLE_TAP;
+    else return TRIPLE_HOLD;
+  }
+  else return 8; //magic number. At some point this method will expand to work for more presses
+}
+
+
+static xtap htap_state = { 
+  .is_press_action = true,
+  .state = 0
+};
+
+void h_finished (qk_tap_dance_state_t *state, void *user_data) {
+  htap_state.state = cur_dance(state);
+  switch (htap_state.state) {
+    case SINGLE_TAP: register_code(KC_H); break;
+    case SINGLE_HOLD: layer_on(8); register_code(KC_LALT); break;
+    case DOUBLE_TAP: layer_invert(8); register_code(KC_LALT); break;
+    // case DOUBLE_HOLD: register_code(KC_LALT);
+    case DOUBLE_SINGLE_TAP: register_code(KC_H);unregister_code(KC_H);register_code(KC_H);
+  }
+}
+
+void h_reset (qk_tap_dance_state_t *state, void *user_data) {
+  switch (htap_state.state) {
+    case SINGLE_TAP: unregister_code(KC_H); break;
+    case SINGLE_HOLD: layer_off(8); unregister_code(KC_LALT); break;
+    case DOUBLE_TAP: unregister_code(KC_LALT);break;
+    // case DOUBLE_HOLD: unregister_code(KC_LALT);
+    case DOUBLE_SINGLE_TAP: unregister_code(KC_H);
+  }
+  htap_state.state = 0;
+}
+
+
+/**************** QUAD FUNCTION FOR TAB ****************/
+// TAB, ALT + SHIFT, TAB TAB, CTRL + SHIFT
+static xtap tab_state = { 
+  .is_press_action = true,
+  .state = 0
+};
+
+void tab_finished (qk_tap_dance_state_t *state, void *user_data) {
+  tab_state.state = cur_dance(state);
+  switch (tab_state.state) {
+    case SINGLE_TAP: register_code(KC_TAB); break;  //send tab on single press
+    case SINGLE_HOLD: register_ctrl_shift(); break;
+    case DOUBLE_HOLD: register_alt_shift(); break; //alt shift on single hold
+    case DOUBLE_TAP: register_code(KC_TAB); unregister_code(KC_TAB); register_code(KC_TAB); break; //tab tab
+    case TRIPLE_TAP: register_code(KC_LSHIFT) ;register_code(KC_ESC); break;
+    case TRIPLE_HOLD: register_code(KC_LSHIFT); register_code(KC_LGUI); break;
+  }
+}   
+
+void tab_reset (qk_tap_dance_state_t *state, void *user_data) {
+  switch (tab_state.state) {
+    case SINGLE_TAP: unregister_code(KC_TAB); break; //unregister tab
+    case DOUBLE_HOLD: unregister_alt_shift(); break; //let go of alt shift
+    case DOUBLE_TAP: unregister_code(KC_TAB); break;
+    case SINGLE_HOLD: unregister_ctrl_shift(); break;
+    case TRIPLE_TAP: unregister_code(KC_LSHIFT); unregister_code(KC_ESC); break;
+    case TRIPLE_HOLD: unregister_code(KC_LSHIFT); unregister_code(KC_LGUI); break;
+  }
+  tab_state.state = 0;
+}
+/**************** QUAD FUNCTION FOR TAB ****************/
+
+//*************** SUPER COMMA *******************//
+// Assumption: we don't care about trying to hit ,, quickly
+//*************** SUPER COMMA *******************//
+static xtap comma_state = { 
+  .is_press_action = true,
+  .state = 0
+};
+
+void comma_finished (qk_tap_dance_state_t *state, void *user_data) {
+  comma_state.state = hold_cur_dance(state); //Use the dance that favors being held
+  switch (comma_state.state) {
+    case SINGLE_TAP: register_code(KC_COMMA); break;  
+    case SINGLE_HOLD: layer_on(1); break; //turn on symbols layer
+    case DOUBLE_TAP: layer_invert(4); break; //toggle numbers layer
+    case DOUBLE_HOLD: layer_on(2); break;
+    case TRIPLE_TAP: register_code(KC_CALCULATOR); break;
+    case TRIPLE_HOLD: layer_on(3);
+  }
+}   
+
+void comma_reset (qk_tap_dance_state_t *state, void *user_data) {
+  switch (comma_state.state) {
+    case SINGLE_TAP: unregister_code(KC_COMMA); break; //unregister comma
+    case SINGLE_HOLD: layer_off(1); break; 
+    case DOUBLE_TAP: ;break;
+    case DOUBLE_HOLD: layer_off(2); break;
+    case TRIPLE_TAP: unregister_code(KC_CALCULATOR); break;
+    case TRIPLE_HOLD: layer_off(3);
+  }
+  comma_state.state = 0;
+}
+//*************** SUPER COMMA *******************//
+//*************** SUPER COMMA *******************//
+
+
+//*************** F3 TAP DANCE *******************//
+//Good example for accessing multiple layers from the same key.
+static xtap S1_state = { 
+  .is_press_action = true,
+  .state = 0
+};
+
+void bt_finished (qk_tap_dance_state_t *state, void *user_data) {
+  S1_state.state = cur_dance(state);
+  switch (S1_state.state) {
+    case SINGLE_TAP: register_code(KC_F3); break;
+    case SINGLE_HOLD: layer_on(4); break;
+    case DOUBLE_TAP: layer_invert(4); break;
+    case DOUBLE_HOLD: layer_on(5); break;
+    case DOUBLE_SINGLE_TAP: layer_invert(4); break;
+  }
+}
+
+void bt_reset (qk_tap_dance_state_t *state, void *user_data) {
+  switch (S1_state.state) {
+    case SINGLE_TAP: unregister_code(KC_F3); break;
+    case SINGLE_HOLD: layer_off(4); break;
+    case DOUBLE_TAP: break; //already inverted. Don't do anything.
+    case DOUBLE_HOLD: layer_off(5); break;
+    case DOUBLE_SINGLE_TAP: break;
+  }
+  S1_state.state = 0;
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  switch (keycode) {
+    case KC_SECRET_1 ... KC_SECRET_5:
+    if (!record->event.pressed) {
+      send_string(secret[keycode - KC_SECRET_1]);
+    }
+    return false;
+    break;
+  }
+  return true;
+}
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