--- keymap_oryx.c	2023-03-21 20:11:38.000000000 +0100
+++ keymap.c	2023-03-22 22:46:46.890652600 +0100
@@ -55,6 +55,10 @@
   HSV_172_255_255,
   DK_LSPO,
   DK_RSPC,
+  CUSTOM_ALTGR1,    // Map AltGr+1 to |
+  CUSTOM_SHIFT4,    // Map Shift+4 to '
+  CUSTOM_SHIFTBKSP, // Map Shift+Backspace to ?
+  CUSTOM_CTRLBKSP   // Map Ctrl+Backspace to Delete
 };
 
 
@@ -64,7 +68,7 @@
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   [0] = LAYOUT_moonlander(
-    KC_ESCAPE,      KC_1,           KC_2,           KC_3,           KC_4,           KC_5,           DK_QUOT,                                        DK_PLUS,        KC_6,           KC_7,           KC_8,           KC_9,           KC_0,           KC_BSPACE,      
+    KC_ESCAPE,      CUSTOM_ALTGR1,  KC_2,           KC_3,           CUSTOM_SHIFT4,  KC_5,           DK_QUOT,                                        DK_PLUS,        KC_6,           KC_7,           KC_8,           KC_9,           KC_0,           CUSTOM_SHIFTBKSP,      
     KC_TAB,         KC_Q,           KC_W,           KC_E,           KC_R,           KC_T,           DK_LABK,                                        DK_ACUT,        KC_Y,           KC_U,           KC_I,           KC_O,           KC_P,           DK_ARNG,        
     LT(2,KC_LCTRL), KC_A,           KC_S,           KC_D,           KC_F,           KC_G,           KC_TRANSPARENT,                                                                 MT(MOD_RCTL, KC_INSERT),KC_H,           KC_J,           KC_K,           KC_L,           DK_AE,          DK_OSTR,        
     KC_LSHIFT,      KC_Z,           KC_X,           KC_C,           KC_V,           KC_B,                                           KC_N,           KC_M,           DK_COMM,        DK_DOT,         DK_MINS,        KC_RSHIFT,      
@@ -172,6 +176,7 @@
 }
 
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  static uint8_t saved_mods = 0;
   switch (keycode) {
 
     case RGB_SLD:
@@ -197,6 +202,77 @@
         rgblight_sethsv(172,255,255);
       }
       return false;
+    case CUSTOM_ALTGR1:
+      if (record->event.pressed) { 
+        if ((get_mods() & MOD_BIT(KC_RALT)) == MOD_BIT(KC_RALT)) { 
+          register_code16(DK_PIPE);
+        }
+        else { 
+          register_code(DK_1);
+        }
+      } else { 
+        unregister_code16(DK_PIPE);
+        unregister_code(DK_1);
+      }
+      return false;
+    case CUSTOM_SHIFT4:
+      if (record->event.pressed) { 
+        saved_mods = get_mods() & MOD_MASK_SHIFT;
+        if ((get_mods() & MOD_MASK_SHIFT) == MOD_MASK_SHIFT) { 
+          del_mods(saved_mods);
+          register_code(KC_NUHS);
+          add_mods(saved_mods);
+        }
+        else if (saved_mods) {
+          del_mods(saved_mods);
+          register_code(KC_NUHS);
+          add_mods(saved_mods);
+        }
+        else { 
+          register_code(DK_4);
+        }
+      } else { 
+        unregister_code(KC_NUHS);
+        unregister_code(DK_4);
+      }
+      return false;
+
+    case CUSTOM_SHIFTBKSP:
+      if (record->event.pressed) { 
+        saved_mods = get_mods() & MOD_MASK_SHIFT;
+        if ((saved_mods == MOD_MASK_SHIFT) || saved_mods ){ 
+          register_code(DK_PLUS);
+        }
+        else { 
+          register_code(KC_BSPACE);
+        }
+      } else { 
+        unregister_code(DK_PLUS);
+        unregister_code(KC_BSPACE);
+      }
+      return false;
+
+    case CUSTOM_CTRLBKSP:
+      if (record->event.pressed) { 
+        saved_mods = get_mods() & MOD_BIT(KC_LCTRL);
+        if ((get_mods() & MOD_BIT(KC_LCTRL)) == MOD_BIT(KC_LCTRL)) { 
+          del_mods(saved_mods);
+          register_code16(DK_PLUS);
+          add_mods(saved_mods);
+        }
+        else if (saved_mods) {
+          del_mods(saved_mods);
+          register_code16(DK_PLUS);
+          add_mods(saved_mods);
+        }
+        else { 
+          register_code(KC_BSPACE);
+        }
+      } else { 
+        register_code16(DK_PLUS);
+        unregister_code(KC_BSPACE);
+      }
+      return false;
   }
   return true;
 }
@@ -271,3 +347,4 @@
 qk_tap_dance_action_t tap_dance_actions[] = {
         [DANCE_0] = ACTION_TAP_DANCE_FN_ADVANCED(on_dance_0, dance_0_finished, dance_0_reset),
 };
+/* vim: set sw=2 sts=2: */