feat: load virtual keyboard layouts from JSON

common/src/main/java/eu/midnightdust/midnightcontrols/client/virtualkeyboard/KeyboardLayout.java

@@ -1,21 +1,64 @@
 package eu.midnightdust.midnightcontrols.client.virtualkeyboard;
 
+import com.google.gson.JsonObject;
+
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
 public class KeyboardLayout {
 
-    public static KeyboardLayout QWERTY = new KeyboardLayout(createQwertyLetterLayout(), createSymbolLayout());
+    public static KeyboardLayout QWERTY = new KeyboardLayout("US (Qwerty)", "en-US", createQwertyLetterLayout(), createSymbolLayout());
+    public static final List<KeyboardLayout> KEYBOARD_LAYOUTS = new ArrayList<>();
 
+    private final String name;
+    private final String locale;
     private final List<List<String>> letters;
     private final List<List<String>> symbols;
 
-    private KeyboardLayout(List<List<String>> letters, List<List<String>> symbols) {
+    private KeyboardLayout(String name, String locale, List<List<String>> letters, List<List<String>> symbols) {
+        this.name = name;
+        this.locale = locale;
         this.letters = letters;
         this.symbols = symbols;
     }
 
+    public KeyboardLayout fromJson(JsonObject json) {
+        try {
+            return new KeyboardLayout(json.get("metadata").getAsJsonObject().get("name").getAsString(), json.get("metadata").getAsJsonObject().get("locale").getAsString(), getFromJson(json, true), getFromJson(json, false));
+        } catch (Exception e) {
+            throw new RuntimeException("Error loading keyboard definition: %s".formatted(e));
+        }
+    }
+    public List<List<String>> getFromJson(JsonObject json, boolean letters) {
+        String type = letters ? "letters" : "symbols";
+        List<List<String>> arr = new ArrayList<>();
+        if (json.has(type)) {
+            JsonObject lettersJson = json.get(type).getAsJsonObject();
+            for (int i = 0; ; i++) {
+                if (!lettersJson.has("row%s".formatted(i))) break;
+                var rowJson = lettersJson.get("row%s".formatted(i)).getAsJsonArray();
+                List<String> row = new ArrayList<>();
+                for (int j = 0; j < rowJson.size(); j++) {
+                    row.add(rowJson.get(j).getAsString());
+                }
+                arr.add(row);
+            }
+            return arr;
+        }
+        else {
+            return letters ? createQwertyLetterLayout() : createSymbolLayout();
+        }
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getLocale() {
+        return locale;
+    }
+
     public List<List<String>> getLetters() {
         return letters;
     }

common/src/main/resources/assets/midnightcontrols/keyboard-layouts/de_quertz.json

@@ -0,0 +1,16 @@
+{
+  "metadata": {
+    "name": "German (Quertz)",
+    "locale": "de-DE"
+  },
+  "letters": {
+    "row1": ["q", "w", "e", "r", "t", "z", "u", "i", "o", "p", "ü"],
+    "row2": ["a", "s", "d", "f", "g", "h", "j", "k", "l", "ö", "ä"],
+    "row3": ["y", "x", "c", "v", "b", "n", "m", "ß"]
+  },
+  "symbols": {
+    "row1": ["1", "2", "3", "4", "5", "6", "7", "8", "9", "0"],
+    "row2": ["@", "#", "$", "%", "&", "*", "-", "+", "(", ")"],
+    "row3": ["!", "\"", "'", ":", ";", ",", ".", "?", "/"]
+  }
+}

common/src/main/resources/assets/midnightcontrols/keyboard-layouts/en_querty.json

@@ -0,0 +1,16 @@
+{
+  "metadata": {
+    "name": "US (Querty)",
+    "locale": "en-US"
+  },
+  "letters": {
+    "row1": ["q", "w", "e", "r", "t", "y", "u", "i", "o", "p"],
+    "row2": ["a", "s", "d", "f", "g", "h", "j", "k", "l"],
+    "row3": ["z", "x", "c", "v", "b", "n", "m"]
+  },
+  "symbols": {
+    "row1": ["1", "2", "3", "4", "5", "6", "7", "8", "9", "0"],
+    "row2": ["@", "#", "$", "%", "&", "*", "-", "+", "(", ")"],
+    "row3": ["!", "\"", "'", ":", ";", ",", ".", "?", "/"]
+  }
+}