Refactor: KeyValue: Simplify StringWithSymbol

This removes the Complex key kind and class by making StringWithSymbol a
new kind of key.

srcs/juloo.keyboard2/KeyEventHandler.java

@@ -100,7 +100,7 @@ public final class KeyEventHandler
         _recv.set_compose_pending(true);
         break;
       case Slider: handle_slider(key.getSlider(), key.getSliderRepeat()); break;
-      case Complex: send_complex_key(key.getComplexKind(), key.getComplex()); break;
+      case StringWithSymbol: send_text(key.getStringWithSymbol()); break;
     }
     update_meta_state(old_mods);
   }
@@ -219,16 +219,6 @@ public final class KeyEventHandler
     conn.performContextMenuAction(id);
   }
 
-  void send_complex_key(KeyValue.Complex.Kind kind, KeyValue.Complex val)
-  {
-    switch (kind)
-    {
-      case StringWithSymbol:
-        send_text(((KeyValue.Complex.StringWithSymbol)val).str);
-        break;
-    }
-  }
-
   @SuppressLint("InlinedApi")
   void handle_editing_key(KeyValue.Editing ev)
   {

srcs/juloo.keyboard2/KeyValue.java

@@ -90,10 +90,11 @@ public final class KeyValue implements Comparable<KeyValue>
 
   public static enum Kind
   {
-    Char, String, Keyevent, Event, Compose_pending, Hangul_initial,
+    Char, Keyevent, Event, Compose_pending, Hangul_initial, Hangul_medial,
-    Hangul_medial, Modifier, Editing, Placeholder,
+    Modifier, Editing, Placeholder,
+    String, // [_payload] is also the string to output, value is unused.
     Slider, // [_payload] is a [KeyValue.Slider], value is slider repeatition.
-    Complex, // [_payload] is a [KeyValue.Complex], value is [Complex.Kind].
+    StringWithSymbol, // [_payload] is a [KeyValue.StringWithSymbol], value is unused.
   }
 
   private static final int FLAGS_OFFSET = 19;
@@ -131,10 +132,7 @@ public final class KeyValue implements Comparable<KeyValue>
     check((((Kind.values().length - 1) << KIND_OFFSET) & ~KIND_BITS) == 0);
   }
 
-  /**
+  /** [_payload.toString()] is the symbol that is rendered on the keyboard. */
-   * [_payload.toString()] is the symbol that is rendered on the keyboard.
-   * For keys of kind [String], this is also the string to output.
-   */
   private final Comparable _payload;
 
   /** This field encodes three things: Kind (KIND_BITS), flags (FLAGS_BITS) and
@@ -225,16 +223,10 @@ public final class KeyValue implements Comparable<KeyValue>
     return ((int)(short)(_code & VALUE_BITS));
   }
 
-  /** Defined only when [getKind() == Kind.Complex]. */
+  /** Defined only when [getKind() == Kind.StringWithSymbol]. */
-  public Complex getComplex()
+  public String getStringWithSymbol()
   {
-    return (Complex)_payload;
+    return ((StringWithSymbol)_payload).str;
-  }
-
-  /** Defined only when [getKind() == Kind.Complex]. */
-  public Complex.Kind getComplexKind()
-  {
-    return Complex.Kind.values()[(_code & VALUE_BITS)];
   }
 
   /* Update the char and the symbol. */
@@ -303,11 +295,6 @@ public final class KeyValue implements Comparable<KeyValue>
     _code = (kind & KIND_BITS) | (flags & FLAGS_BITS) | (value & VALUE_BITS);
   }
 
-  private KeyValue(Complex p, Complex.Kind value, int flags)
-  {
-    this(p, Kind.Complex, value.ordinal(), flags);
-  }
-
   public KeyValue(Comparable p, Kind k, int v, int f)
   {
     this(p, (k.ordinal() << KIND_OFFSET), v, f);
@@ -463,8 +450,8 @@ public final class KeyValue implements Comparable<KeyValue>
 
   public static KeyValue makeStringKeyWithSymbol(String str, String symbol, int flags)
   {
-    return new KeyValue(new Complex.StringWithSymbol(str, symbol),
+    return new KeyValue(new StringWithSymbol(str, symbol),
-        Complex.Kind.StringWithSymbol, flags);
+        Kind.StringWithSymbol, 0, flags);
   }
 
   /** Make a modifier key for passing to [KeyModifier]. */
@@ -753,50 +740,26 @@ public final class KeyValue implements Comparable<KeyValue>
       throw new RuntimeException("Assertion failure");
   }
 
-  public static abstract class Complex implements Comparable<Complex>
+  public static final class StringWithSymbol implements Comparable<StringWithSymbol>
   {
-    public abstract String getSymbol();
+    public final String str;
+    final String _symbol;
 
-    /** [compareTo] can assume that [snd] is an instance of the same class. */
+    public StringWithSymbol(String _str, String _sym)
-    @Override
-    public abstract int compareTo(Complex snd);
-
-    @Override
-    public String toString()
     {
-      return getSymbol();
+      str = _str;
+      _symbol = _sym;
     }
 
-    /** [hashCode] will be called on this class. */
+    @Override
+    public String toString() { return _symbol; }
 
-    /** The kind is stored in the [value] field of the key. */
+    @Override
-    public static enum Kind
+    public int compareTo(StringWithSymbol snd)
     {
-      StringWithSymbol,
+      int d = str.compareTo(snd.str);
-    }
+      if (d != 0) return d;
-
+      return _symbol.compareTo(snd._symbol);
-    public static final class StringWithSymbol extends Complex
-    {
-      public final String str;
-      private final String _symbol;
-
-      public StringWithSymbol(String _str, String _sym)
-      {
-        str = _str;
-        _symbol = _sym;
-      }
-
-      @Override
-      public String getSymbol() { return _symbol; }
-
-      @Override
-      public int compareTo(Complex _snd)
-      {
-        StringWithSymbol snd = (StringWithSymbol)_snd;
-        int d = str.compareTo(snd.str);
-        if (d != 0) return d;
-        return _symbol.compareTo(snd._symbol);
-      }
     }
   };