1 files changed, 76 insertions, 0 deletions
diff --git a/utils/unicode.h b/utils/unicode.h
new file mode 100644
index 0000000..1965a0d
--- /dev/null
+++ b/utils/unicode.h
@@ -0,0 +1,76 @@
+#define COMBO(name, POS, LAYERS, BINDINGS) \
+    / { \
+        combos { \
+            compatible = "zmk,combos"; \
+            name { \
+                timeout-ms = <50>; \
+                key-positions = <POS>; \
+                layers = <LAYERS>; \
+                bindings = <BINDINGS>; \
+            }; \
+        }; \
+    };
+
+/* ZMK_UNICODE */
+#define UC_LEAD_MACWIN  &macro_press &kp LALT      // macOS/Windows-Alt-Codes
+#define UC_LEAD_LINUX   &macro_tap &kp LS(LC(U))   // Linux
+#define UC_LEAD_WINDOWS &macro_tap &kp RALT &kp U  // Windows + WinCompose (default)
+
+#define UC_TRAIL_MACWIN  &macro_release &kp LALT  // macOS/Windows-Alt-Codes
+#define UC_TRAIL_LINUX   &macro_tap &kp SPACE     // Linux
+#define UC_TRAIL_WINDOWS &macro_tap &kp RET       // Windows + WinCompose (default)
+
+#define UC_MACRO_LINUX(name, unicode_bindings) \
+    / { \
+        macros { \
+            name: name { \
+                compatible = "zmk,behavior-macro"; \
+                label = ZMK_HELPER_STRINGIFY(UC_MACRO_ ## name); \
+                wait-ms = <0>; \
+                tap-ms = <0>; \
+                #binding-cells = <0>; \
+                bindings = <UC_LEAD_LINUX>, <&macro_tap unicode_bindings>, <UC_TRAIL_LINUX>; \
+            }; \
+        }; \
+    };
+#define UC_MACRO_MACWIN(name, unicode_bindings) \
+    / { \
+        macros { \
+            name: name { \
+                compatible = "zmk,behavior-macro"; \
+                label = ZMK_HELPER_STRINGIFY(UC_MACRO_ ## name); \
+                wait-ms = <0>; \
+                tap-ms = <0>; \
+                #binding-cells = <0>; \
+                bindings = <UC_LEAD_MACWIN>, <&macro_tap unicode_bindings>, <UC_TRAIL_MACWIN>; \
+            }; \
+        }; \
+    };
+
+#define UC_MODMORPH(name, uc_binding, shifted_uc_binding) \
+    / { \
+        behaviors { \
+            name: name { \
+                compatible = "zmk,behavior-mod-morph"; \
+                label = ZMK_HELPER_STRINGIFY(UC_MORPH_ ## name); \
+                #binding-cells = <0>; \
+                bindings = <uc_binding>, <shifted_uc_binding>; \
+                mods = <(MOD_LSFT|MOD_RSFT)>; \
+            }; \
+        }; \
+    };
+
+#define ZMK_UNICODE_SINGLE(name, L0, L1, L2, L3) \
+    UC_MACRO(name ## _lower, &kp L0 &kp L1 &kp L2 &kp L3) \
+    UC_MODMORPH(name, &name ## _lower, &none)
+
+#define ZMK_UNICODE_PAIR_LINUX(name, L0, L1, L2, L3, U0, U1, U2, U3) \
+    UC_MACRO_LINUX(name ## _lower, &kp L0 &kp L1 &kp L2 &kp L3) \
+    UC_MACRO_LINUX(name ## _upper, &kp U0 &kp U1 &kp U2 &kp U3) \
+    UC_MODMORPH(name, &name ## _lower, &name ## _upper)
+
+#define ZMK_UNICODE_PAIR_MACWIN(name, L0, L1, L2, L3, U0, U1, U2, U3) \
+    UC_MACRO_MACWIN(name ## _lower, &kp L0 &kp L1 &kp L2 &kp L3) \
+    UC_MACRO_MACWIN(name ## _upper, &kp U0 &kp U1 &kp U2 &kp U3) \
+    UC_MODMORPH(name, &name ## _lower, &name ## _upper)
+