dnd: Implement MetaDnd

Implement MetaDnd for emitting DnD signals to plugins such as gnome-shell. The
xdnd handling code comes from gnome-shell, and it is hidden behind MetaDnd now.

https://bugzilla.gnome.org/show_bug.cgi?id=765003

1 files changed, 30 insertions, 0 deletions

diff --git a/src/backends/meta-dnd-private.h b/src/backends/meta-dnd-private.h
new file mode 100644
index 000000000..41aa2a0d7
--- /dev/null
+++ b/src/backends/meta-dnd-private.h
@@ -0,0 +1,30 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright (C) 2016 Hyungwon Hwang
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef META_DND_PRIVATE__H
+#define META_DND_PRIVATE__H
+
+#include <X11/Xlib.h>
+
+gboolean meta_dnd_handle_xdnd_event (MetaBackend    *backend,
+                                     MetaCompositor *compositor,
+                                     MetaDisplay    *display,
+                                     XEvent         *xev);
+
+#endif /* META_DND_PRIVATE_H */