Initial revision

gdk/gdkxid.c

@@ -0,0 +1,74 @@
+/* GDK - The GIMP Drawing Kit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include "gdkprivate.h"
+
+
+static guint gdk_xid_hash    (XID *xid);
+static gint  gdk_xid_compare (XID *a,
+			      XID *b);
+
+
+GHashTable *xid_ht = NULL;
+
+
+void
+gdk_xid_table_insert (XID      *xid,
+		      gpointer  data)
+{
+  g_return_if_fail (xid != NULL);
+
+  if (!xid_ht)
+    xid_ht = g_hash_table_new ((GHashFunc) gdk_xid_hash,
+			       (GCompareFunc) gdk_xid_compare);
+
+  g_hash_table_insert (xid_ht, xid, data);
+}
+
+void
+gdk_xid_table_remove (XID xid)
+{
+  if (!xid_ht)
+    xid_ht = g_hash_table_new ((GHashFunc) gdk_xid_hash,
+			       (GCompareFunc) gdk_xid_compare);
+
+  g_hash_table_remove (xid_ht, &xid);
+}
+
+gpointer
+gdk_xid_table_lookup (XID xid)
+{
+  gpointer data;
+
+  data = g_hash_table_lookup (xid_ht, &xid);
+
+  return data;
+}
+
+
+static guint
+gdk_xid_hash (XID *xid)
+{
+  return *xid;
+}
+
+static gint
+gdk_xid_compare (XID *a,
+		 XID *b)
+{
+  return (*a == *b);
+}