Add class Modmap and test KeyModifier

1 files changed, 33 insertions, 0 deletions

diff --git a/srcs/juloo.keyboard2/Modmap.java b/srcs/juloo.keyboard2/Modmap.java
new file mode 100644
index 0000000..77ee64d
--- /dev/null
+++ b/srcs/juloo.keyboard2/Modmap.java
@@ -0,0 +1,33 @@
+package juloo.keyboard2;
+
+import java.lang.reflect.Array;
+import java.util.Map;
+import java.util.TreeMap;
+
+/** Stores key combinations that are applied by [KeyModifier]. */
+public final class Modmap
+{
+  public enum M { Shift, Fn, Ctrl }
+
+  Map<KeyValue, KeyValue>[] _map;
+
+  public Modmap()
+  {
+    _map = (Map<KeyValue, KeyValue>[])Array.newInstance(TreeMap.class,
+        M.values().length);
+  }
+
+  public void add(M m, KeyValue a, KeyValue b)
+  {
+    int i = m.ordinal();
+    if (_map[i] == null)
+      _map[i] = new TreeMap<KeyValue, KeyValue>();
+    _map[i].put(a, b);
+  }
+
+  public KeyValue get(M m, KeyValue a)
+  {
+    Map<KeyValue, KeyValue> mm = _map[m.ordinal()];
+    return (mm == null) ? null : mm.get(a);
+  }
+}