1 files changed, 77 insertions, 0 deletions

diff --git a/users/konstantin/konstantin.c b/users/konstantin/konstantin.c
new file mode 100644
index 000000000..977111c1f
--- /dev/null
+++ b/users/konstantin/konstantin.c
@@ -0,0 +1,77 @@
+#include "konstantin.h"
+
+#ifdef LAYER_NUMPAD
+static void toggle_numpad(void) {
+  layer_invert(L_NUMPAD);
+  bool num_lock = host_keyboard_leds() & 1<<USB_LED_NUM_LOCK;
+  if (num_lock != (bool)IS_LAYER_ON(L_NUMPAD)) {
+    tap_code(KC_NLCK); // Toggle Num Lock to match layer state
+  }
+}
+#endif
+
+__attribute__((weak))
+bool process_record_keymap(uint16_t keycode, keyrecord_t *record) {
+  return true;
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  if (!process_record_keymap(keycode, record)) {
+    return false;
+  }
+
+  switch (keycode) {
+  case CLEAR:
+    if (record->event.pressed) {
+      SEND_STRING(SS_LCTRL("a") SS_TAP(X_DELETE));
+    }
+    return false;
+
+#ifdef LAYER_FN
+  static bool fn_lock;
+
+  case FN_FNLK:
+    if (record->event.pressed && record->tap.count == TAPPING_TOGGLE) {
+      fn_lock = !IS_LAYER_ON(L_FN); // Fn layer will be toggled after this
+    }
+    return true;
+#endif
+
+#ifdef LAYER_NUMPAD
+  case NUMPAD:
+    if (record->event.pressed) {
+      toggle_numpad();
+    }
+    return false;
+#endif
+
+  case KC_ESC:
+    if (record->event.pressed) {
+#ifdef LAYER_NUMPAD
+      if (IS_LAYER_ON(L_NUMPAD)) {
+        toggle_numpad();
+        return false;
+      }
+#endif
+#ifdef LAYER_FN
+      if (IS_LAYER_ON(L_FN) && fn_lock) {
+        layer_off(L_FN);
+        return fn_lock = false;
+      }
+#endif
+    }
+    return true;
+
+  default:
+    return true;
+  }
+}
+
+__attribute__((weak))
+uint32_t layer_state_set_keymap(uint32_t state) {
+  return state;
+}
+
+uint32_t layer_state_set_user(uint32_t state) {
+  return layer_state_set_keymap(state);
+}