1.4.7 works but need more tests

Author: HowardZHY

src/main/java/com128/kzf/m/LegacyInputPatch/mixin/ScreenMixin.java

@@ -3,13 +3,16 @@
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.DrawableHelper;
 import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.client.util.OperatingSystem;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Overwrite;
 import org.spongepowered.asm.mixin.Shadow;
 import org.lwjgl.input.Keyboard;
 
 @Mixin(Screen.class)
 public class ScreenMixin extends DrawableHelper {
+  @Shadow
+  public static final boolean field_5093 = Minecraft.method_2940() == OperatingSystem.MACOS;
   @Shadow
   protected void keyPressed(char character, int code) {}
   @Shadow
@@ -26,6 +29,9 @@ public void method_1040() {
         this.field_1229.toggleFullscreen();
         return;
       }
+      if (field_5093 && var1 == 28 && var2 == 0) {
+        var1 = 29;
+      }
       this.keyPressed(var2, var1);
     }
   }

src/main/java/com128/kzf/m/LegacyInputPatch/mixin/SignEditScreenMixin.java

@@ -17,8 +17,6 @@ public class SignEditScreenMixin extends Screen {
     private SignBlockEntity sign;
     @Shadow
     private int currentRow;
-    @Shadow
-    private ButtonWidget field_5732;
 
     @Overwrite
     protected void keyPressed(char character, int code) {
@@ -34,8 +32,5 @@ protected void keyPressed(char character, int code) {
         if (SharedConstants.isValidChar(character) && this.sign.field_560[this.currentRow].length() < 15) {
             this.sign.field_560[this.currentRow] = this.sign.field_560[this.currentRow] + character;
         }
-        if (code == 1) {
-            this.buttonClicked(this.field_5732);
-        }
     }
 }

src/main/resources/fabric.mod.json

@@ -1,7 +1,7 @@
 {
   "schemaVersion": 1,
   "id": "legacyinputpatch",
-  "version": "1.5.2",
+  "version": "1.4.7",
   "name": "LegacyInputPatch",
   "description": "InputFixForLegacyFabric",
   "authors": [