Add missing right_click_mode.h file

src/app/settings/right_click_mode.h

@@ -0,0 +1,35 @@
+/* Aseprite
+ * Copyright (C) 2001-2013  David Capello
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef APP_SETTINGS_RIGHT_CLICK_MODE_H_INCLUDED
+#define APP_SETTINGS_RIGHT_CLICK_MODE_H_INCLUDED
+#pragma once
+
+namespace app {
+
+  enum class RightClickMode {
+    PaintBgColor,
+    PickFgColor,
+    Erase,
+
+    Default = PaintBgColor
+  };
+
+} // namespace app
+
+#endif