1 files changed, 257 insertions, 0 deletions

diff --git a/users/twschum/twschum.c b/users/twschum/twschum.c
new file mode 100644
index 000000000..2d34f9571
--- /dev/null
+++ b/users/twschum/twschum.c
@@ -0,0 +1,257 @@
+#include "twschum.h"
+
+#ifdef TWSCHUM_TAPPING_CTRL_PREFIX
+// state for the great state machine of custom actions!
+#define TIMEOUT_DELAY 200 // ms
+static uint16_t idle_timer;
+static bool timeout_is_active = false;
+
+static bool ctrl_shortcuts_enabled_g = false;
+//static bool B_down = 0; // TODO just use top bit from count
+//static int8_t B_count = 0;
+
+#define N_TAPPING_CTRL_KEYS 2
+static struct Tapping_ctrl_key_t special_keys_g[N_TAPPING_CTRL_KEYS] = {
+    {false, 0, KC_B}, {false, 0, KC_A}
+};
+
+static inline void start_idle_timer(void) {
+    idle_timer = timer_read();
+    timeout_is_active = true;
+}
+static inline void clear_state_after_idle_timeout(void) {
+    idle_timer = 0;
+    timeout_is_active = false;
+
+    // send timed out plain keys from tapping ctrl mod
+    for (int i = 0; i < N_TAPPING_CTRL_KEYS; ++i) {
+        struct Tapping_ctrl_key_t* key = special_keys_g + i;
+        repeat_send_keys(key->count, key->keycode);
+        key->count = 0;
+    }
+}
+
+inline void matrix_scan_user(void) {
+    if (timeout_is_active && timer_elapsed(idle_timer) > TIMEOUT_DELAY) {
+        clear_state_after_idle_timeout();
+    }
+}
+
+static inline bool tap_ctrl_event(struct Tapping_ctrl_key_t* key, keyrecord_t* record) {
+    if (!ctrl_shortcuts_enabled_g) {
+        // normal operation, just send the plain keycode
+        if (record->event.pressed) {
+            register_code(key->keycode);
+        }
+        else {
+            unregister_code(key->keycode);
+        }
+        return false;
+    }
+    key->down = record->event.pressed;
+    // increment count and reset timer when key pressed
+    // start the timeout when released
+    if (key->down) {
+        ++(key->count);
+        timeout_is_active = false;
+        idle_timer = 0;
+    }
+    else {
+        if (key->count) {
+            start_idle_timer();
+        }
+    }
+    return false;
+}
+
+static inline bool tap_ctrl_other_pressed(void) {
+    for (int i = 0; i < N_TAPPING_CTRL_KEYS; ++i) {
+        struct Tapping_ctrl_key_t* key = special_keys_g + i;
+        if (key->count) {
+            if (key->down) {
+                // another key has been pressed while the leader key is down,
+                // so send number of ctrl-KEY combos before the other key
+                repeat_send_keys(key->count, KC_LCTL, key->keycode);
+                key->count = 0;
+            }
+            else {
+                // another key pressed after leader key released,
+                // need to send the plain keycode plus potential mods
+                if (get_mods() & MOD_MASK_CTRL) {
+                    // make sure to send a shift if prssed
+                    repeat_send_keys(key->count, KC_RSHIFT, key->keycode);
+                }
+                else {
+                    repeat_send_keys(key->count, key->keycode);
+                }
+                key->count = 0;
+            }
+            return true; // will send the other keycode
+        }
+    }
+    return true; // safe default
+}
+#endif /* TWSCHUM_TAPPING_CTRL_PREFIX */
+
+
+/* Use RGB underglow to indicate layer
+ * https://docs.qmk.fm/reference/customizing-functionality
+ */
+// add to quantum/rgblight_list.h
+#ifdef RGBLIGHT_ENABLE
+static bool rgb_layers_enabled = true;
+static bool rgb_L0_enabled = false;
+
+layer_state_t layer_state_set_user(layer_state_t state) {
+    if (!rgb_layers_enabled) {
+        return state;
+    }
+    switch (get_highest_layer(state)) {
+    case _Base:
+        if (rgb_L0_enabled) {
+            rgblight_sethsv_noeeprom(_Base_HSV_ON);
+        }
+        else {
+            rgblight_sethsv_noeeprom(_Base_HSV_OFF);
+        }
+        break;
+    case _Vim:
+        rgblight_sethsv_noeeprom(_Vim_HSV);
+        break;
+    case _Fn:
+        rgblight_sethsv_noeeprom(_Fn_HSV);
+        break;
+    case _Nav:
+        rgblight_sethsv_noeeprom(_Nav_HSV);
+        break;
+    case _Num:
+        rgblight_sethsv_noeeprom(_Num_HSV);
+        break;
+    case _Cfg:
+        rgblight_sethsv_noeeprom(_Cfg_HSV);
+        break;
+    case _None:
+        rgblight_sethsv_noeeprom(_None_HSV);
+        break;
+    }
+    return state;
+}
+#endif /* RGBLIGHT_ENABLE */
+
+/* process_record_vimlayer: handles the VIM_ keycodes from xtonhasvim's vim
+ * emulation layer
+ * add process_record_keymap to allow specific keymap to still add keys
+ * Makes the callstack look like:
+ * process_record_
+ *  _quantum
+ *    _kb
+ *      _user
+ *        _keymap
+ *        _vimlayer
+ */
+__attribute__ ((weak))
+bool process_record_keymap(uint16_t keycode, keyrecord_t *record) {
+  return true;
+}
+
+/* Return True to continue processing keycode, false to stop further processing
+ * process_record_keymap to be call by process_record_user in the vim addon */
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+
+  /* keymap gets first whack, then vimlayer */
+  if(!process_record_keymap(keycode, record)) return false;
+  if(!process_record_vimlayer(keycode, record)) return false;
+
+    switch (keycode) {
+        /* KC_MAKE is a keycode to be used with any keymap
+         * Outputs `make <keyboard>:<keymap>`
+         * Holding shift will add the appropriate flashing command (:dfu,
+         *   :teensy, :avrdude, :dfu-util) for a majority of keyboards.
+         * Holding control will add some commands that will speed up compiling
+         *   time by processing multiple files at once
+         * For the boards that lack a shift key, or that you want to always
+         *   attempt the flashing part, you can add FLASH_BOOTLOADER = yes to the
+         *   rules.mk of that keymap.
+         */
+        case KC_MAKE:  // Compiles the firmware, and adds the flash command based on keyboard bootloader
+            if (!record->event.pressed) {
+            uint8_t temp_mod = get_mods();
+            uint8_t temp_osm = get_oneshot_mods();
+            clear_mods(); clear_oneshot_mods();
+            SEND_STRING("make " QMK_KEYBOARD ":" QMK_KEYMAP);
+        #ifndef FLASH_BOOTLOADER
+            if ( (temp_mod | temp_osm) & MOD_MASK_SHIFT ) {
+                SEND_STRING(":flash");
+            }
+        #endif
+            if ( (temp_mod | temp_osm) & MOD_MASK_CTRL) {
+                SEND_STRING(" -j8 --output-sync");
+            }
+            SEND_STRING(SS_TAP(X_ENTER));
+            set_mods(temp_mod);
+        }
+        break;
+
+        #ifdef RGBLIGHT_ENABLE
+        case TG_LAYER_RGB:
+            if (record->event.pressed) {
+                rgb_layers_enabled = !rgb_layers_enabled;
+            }
+            return false;
+        case TG_L0_RGB:
+            if (record->event.pressed) {
+                rgb_L0_enabled = !rgb_L0_enabled;
+            }
+            return false;
+        #endif
+
+        case SALT_CMD:
+            if (!record->event.pressed) {
+                SEND_STRING(SALT_CMD_MACRO);
+            }
+            return false;
+        case LESS_PD:
+            if (!record->event.pressed) {
+                SEND_STRING(LESS_PD_MACRO);
+            }
+            return false;
+        case CODE_PASTE:
+            if (!record->event.pressed) {
+                SEND_STRING(CODE_PASTE_MACRO);
+            }
+            return false;
+
+        #ifdef TWSCHUM_TAPPING_CTRL_PREFIX
+        case EN_CTRL_SHORTCUTS:
+            if (record->event.pressed) {
+                ctrl_shortcuts_enabled_g = !ctrl_shortcuts_enabled_g;
+                start_idle_timer(); // need to clear out state in some cases
+            }
+            return false;
+        case CTRL_A:
+            return tap_ctrl_event(&special_keys_g[1], record);
+        case CTRL_B:
+            return tap_ctrl_event(&special_keys_g[0], record);
+        default:
+            if (record->event.pressed) {
+                return tap_ctrl_other_pressed();
+            }
+        #endif
+    }
+    return true;
+}
+
+#ifdef RGBLIGHT_ENABLE
+void matrix_init_user(void) {
+    // called once on board init
+    rgblight_enable();
+}
+#endif
+
+void suspend_power_down_user(void) {
+    // TODO shut off backlighting
+}
+
+void suspend_wakeup_init_user(void) {
+    // TODO turn on backlighting
+}