Fix placeholder key not replaced

Since fecc4dd, placeholder keys can't be compared by reference.
Add a placeholder kind and defined placeholder values.

2 files changed, 30 insertions, 22 deletions

diff --git a/srcs/juloo.keyboard2/KeyModifier.java b/srcs/juloo.keyboard2/KeyModifier.java
index b9348f2..454cc29 100644
--- a/srcs/juloo.keyboard2/KeyModifier.java
+++ b/srcs/juloo.keyboard2/KeyModifier.java
@@ -122,17 +122,7 @@ class KeyModifier
       case Char: name = apply_fn_char(k.getChar()); break;
       case Keyevent: name = apply_fn_keyevent(k.getKeyevent()); break;
       case Event: name = apply_fn_event(k.getEvent()); break;
-      case String:
-        switch (k.getString())
-        {
-          case "":
-            if (k == KeyValue.getKeyByName("f11_placeholder"))
-              name = "f11";
-            else if (k == KeyValue.getKeyByName("f12_placeholder"))
-              name = "f12";
-            break;
-        }
-        break;
+      case Placeholder: name = apply_fn_placeholder(k.getPlaceholder()); break;
     }
     return (name == null) ? k : KeyValue.getKeyByName(name);
   }
@@ -160,6 +150,16 @@ class KeyModifier
     }
   }
 
+  private static String apply_fn_placeholder(KeyValue.Placeholder p)
+  {
+    switch (p)
+    {
+      case F11: return "f11";
+      case F12: return "f12";
+      default: return null;
+    }
+  }
+
   /** Return the name of modified key, or [null]. */
   private static String apply_fn_char(char c)
   {
diff --git a/srcs/juloo.keyboard2/KeyValue.java b/srcs/juloo.keyboard2/KeyValue.java
index 21a3baf..4a6223e 100644
--- a/srcs/juloo.keyboard2/KeyValue.java
+++ b/srcs/juloo.keyboard2/KeyValue.java
@@ -68,9 +68,16 @@ final class KeyValue
     AUTOFILL,
   }
 
+  public static enum Placeholder
+  {
+    REMOVED,
+    F11,
+    F12
+  }
+
   public static enum Kind
   {
-    Char, String, Keyevent, Event, Modifier, Editing
+    Char, String, Keyevent, Event, Modifier, Editing, Placeholder
   }
 
   // Behavior flags.
@@ -154,6 +161,11 @@ final class KeyValue
     return Editing.values()[(_code & VALUE_BITS)];
   }
 
+  public Placeholder getPlaceholder()
+  {
+    return Placeholder.values()[(_code & VALUE_BITS)];
+  }
+
   /* Update the char and the symbol. */
   public KeyValue withChar(char c)
   {
@@ -257,14 +269,10 @@ final class KeyValue
         FLAG_SPECIAL | FLAG_SECONDARY | FLAG_SMALLER_FONT);
   }
 
-  // Within VALUE_BITS
-  private static int placeholder_unique_id = 0;
-
-  /** Use a unique id as the value because the symbol is shared between every
-      placeholders (it is the empty string). */
-  private static KeyValue placeholderKey()
+  /** A key that do nothing but has a unique ID. */
+  private static KeyValue placeholderKey(Placeholder id)
   {
-    return new KeyValue("", Kind.String, placeholder_unique_id++, 0);
+    return new KeyValue("", Kind.Placeholder, id.ordinal(), 0);
   }
 
   private static KeyValue fallbackMakeKey(String name)
@@ -349,9 +357,9 @@ final class KeyValue
       case "space": return charKey("\r", ' ', FLAG_KEY_FONT | FLAG_SECONDARY);
       case "nbsp": return charKey("\u237d", '\u00a0', FLAG_SMALLER_FONT);
 
-      case "removed": return placeholderKey();
-      case "f11_placeholder": return placeholderKey();
-      case "f12_placeholder": return placeholderKey();
+      case "removed": return placeholderKey(Placeholder.REMOVED);
+      case "f11_placeholder": return placeholderKey(Placeholder.F11);
+      case "f12_placeholder": return placeholderKey(Placeholder.F12);
 
       case "copy": return editingKey("copy", Editing.COPY);
       case "paste": return editingKey("paste", Editing.PASTE);