/*

 * glade-drag.c

 *

 * Copyright (C) 2013  Juan Pablo Ugarte

 *

 * Authors:

 *   Juan Pablo Ugarte <juanpablougarte@gmail.com>

 *

 * This library is free software; you can redistribute it and/or modify it

 * under the terms of the GNU Lesser General Public License as

 * published by the Free Software Foundation; either version 2.1 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public 

 * License along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

 *

 */

#include "glade-drag.h"

G_DEFINE_INTERFACE (_GladeDrag, _glade_drag, G_TYPE_OBJECT);

static void

_glade_drag_default_init (_GladeDragInterface *iface)

{

}

gboolean

_glade_drag_can_drag (_GladeDrag *source)

{

  _GladeDragInterface *iface;

  g_return_val_if_fail (GLADE_IS_DRAG (source), FALSE);

  iface = GLADE_DRAG_GET_INTERFACE (source);

  if (iface->can_drag)

    return iface->can_drag (source);

  else

    return FALSE;

}

gboolean

_glade_drag_can_drop (_GladeDrag *dest, gint x, gint y, GObject *data)

{

  _GladeDragInterface *iface;

  g_return_val_if_fail (GLADE_IS_DRAG (dest), FALSE);

  iface = GLADE_DRAG_GET_INTERFACE (dest);

  if (iface->can_drop)

    return iface->can_drop (dest, x, y, data);

  else

    return FALSE;

}

gboolean

_glade_drag_drop (_GladeDrag *dest, gint x, gint y, GObject *data)

{

  _GladeDragInterface *iface;

  g_return_val_if_fail (GLADE_IS_DRAG (dest), FALSE);

  iface = GLADE_DRAG_GET_INTERFACE (dest);

  if (iface->drop)

    return iface->drop (dest, x, y, data);

  else

    return FALSE;

}

void

_glade_drag_highlight (_GladeDrag *dest, gint x, gint y)

{

  _GladeDragInterface *iface;

  g_return_if_fail (GLADE_IS_DRAG (dest));

  iface = GLADE_DRAG_GET_INTERFACE (dest);

  if (iface->highlight)

    iface->highlight (dest, x, y);

}