/* GTK - The GIMP Toolkit

 * 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 Lesser 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

 * Lesser General Public License for more details.

 *

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

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

/*

 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS

 * file for a list of people on the GTK+ Team.  See the ChangeLog

 * files for a list of changes.  These files are distributed with

 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.

 */

#ifndef __GTK_SELECTION_H__

#define __GTK_SELECTION_H__

#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)

#error "Only <gtk/gtk.h> can be included directly."

#endif

#include <gtk/gtkwidget.h>

#include <gtk/gtktextiter.h>

G_BEGIN_DECLS

typedef struct _GtkTargetList    GtkTargetList;

typedef struct _GtkTargetEntry   GtkTargetEntry;

#define GTK_TYPE_SELECTION_DATA (gtk_selection_data_get_type ())

#define GTK_TYPE_TARGET_LIST    (gtk_target_list_get_type ())

/* The contents of a selection are returned in a GtkSelectionData

 * structure. selection/target identify the request.  type specifies

 * the type of the return; if length < 0, and the data should be

 * ignored. This structure has object semantics - no fields should be

 * modified directly, they should not be created directly, and

 * pointers to them should not be stored beyond the duration of a

 * callback. (If the last is changed, we'll need to add reference

 * counting.) The time field gives the timestamp at which the data was

 * sent.

 */

struct _GtkSelectionData

{

  GdkAtom       GSEAL (selection);

  GdkAtom       GSEAL (target);

  GdkAtom       GSEAL (type);

  gint          GSEAL (format);

  guchar       *GSEAL (data);

  gint          GSEAL (length);

  GdkDisplay   *GSEAL (display);

};

struct _GtkTargetEntry {

  gchar *target;

  guint  flags;

  guint  info;

};

/* These structures not public, and are here only for the convenience of

 * gtkdnd.c

 */

typedef struct _GtkTargetPair GtkTargetPair;

/* This structure is a list of destinations, and associated guint id's */

struct _GtkTargetList {

  GList *list;

  guint ref_count;

};

struct _GtkTargetPair {

  GdkAtom   target;

  guint     flags;

  guint     info;

};

GtkTargetList *gtk_target_list_new       (const GtkTargetEntry *targets,

					  guint                 ntargets);

GtkTargetList *gtk_target_list_ref       (GtkTargetList  *list);

void           gtk_target_list_unref     (GtkTargetList  *list);

void           gtk_target_list_add       (GtkTargetList  *list,

				  	  GdkAtom         target,

					  guint           flags,

					  guint           info);

void           gtk_target_list_add_text_targets      (GtkTargetList  *list,

                                                      guint           info);

void           gtk_target_list_add_rich_text_targets (GtkTargetList  *list,

                                                      guint           info,

                                                      gboolean        deserializable,

                                                      GtkTextBuffer  *buffer);

void           gtk_target_list_add_image_targets     (GtkTargetList  *list,

                                                      guint           info,

                                                      gboolean        writable);

void           gtk_target_list_add_uri_targets       (GtkTargetList  *list,

                                                      guint           info);

void           gtk_target_list_add_table (GtkTargetList        *list,

					  const GtkTargetEntry *targets,

					  guint                 ntargets);

void           gtk_target_list_remove    (GtkTargetList  *list,

					  GdkAtom         target);

gboolean       gtk_target_list_find      (GtkTargetList  *list,

					  GdkAtom         target,

					  guint          *info);

GtkTargetEntry * gtk_target_table_new_from_list (GtkTargetList  *list,

                                                 gint           *n_targets);

void             gtk_target_table_free          (GtkTargetEntry *targets,

                                                 gint            n_targets);

/* Public interface */

gboolean gtk_selection_owner_set             (GtkWidget  *widget,

					      GdkAtom     selection,

					      guint32     time_);

gboolean gtk_selection_owner_set_for_display (GdkDisplay *display,

					      GtkWidget  *widget,

					      GdkAtom     selection,

					      guint32     time_);

void     gtk_selection_add_target    (GtkWidget            *widget,

				      GdkAtom               selection,

				      GdkAtom               target,

				      guint                 info);

void     gtk_selection_add_targets   (GtkWidget            *widget,

				      GdkAtom               selection,

				      const GtkTargetEntry *targets,

				      guint                 ntargets);

void     gtk_selection_clear_targets (GtkWidget            *widget,

				      GdkAtom               selection);

gboolean gtk_selection_convert       (GtkWidget            *widget,

				      GdkAtom               selection,

				      GdkAtom               target,

				      guint32               time_);

GdkAtom       gtk_selection_data_get_selection (GtkSelectionData *selection_data);

GdkAtom       gtk_selection_data_get_target    (GtkSelectionData *selection_data);

GdkAtom       gtk_selection_data_get_data_type (GtkSelectionData *selection_data);

gint          gtk_selection_data_get_format    (GtkSelectionData *selection_data);

const guchar *gtk_selection_data_get_data      (GtkSelectionData *selection_data);

gint          gtk_selection_data_get_length    (GtkSelectionData *selection_data);

GdkDisplay   *gtk_selection_data_get_display   (GtkSelectionData *selection_data);

void     gtk_selection_data_set      (GtkSelectionData     *selection_data,

				      GdkAtom               type,

				      gint                  format,

				      const guchar         *data,

				      gint                  length);

gboolean gtk_selection_data_set_text (GtkSelectionData     *selection_data,

				      const gchar          *str,

				      gint                  len);

guchar * gtk_selection_data_get_text (GtkSelectionData     *selection_data);

gboolean gtk_selection_data_set_pixbuf   (GtkSelectionData  *selection_data,

				          GdkPixbuf         *pixbuf);

GdkPixbuf *gtk_selection_data_get_pixbuf (GtkSelectionData  *selection_data);

gboolean gtk_selection_data_set_uris (GtkSelectionData     *selection_data,

				      gchar               **uris);

gchar  **gtk_selection_data_get_uris (GtkSelectionData     *selection_data);

gboolean gtk_selection_data_get_targets          (GtkSelectionData  *selection_data,

						  GdkAtom          **targets,

						  gint              *n_atoms);

gboolean gtk_selection_data_targets_include_text (GtkSelectionData  *selection_data);

gboolean gtk_selection_data_targets_include_rich_text (GtkSelectionData *selection_data,

                                                       GtkTextBuffer    *buffer);

gboolean gtk_selection_data_targets_include_image (GtkSelectionData  *selection_data,

						   gboolean           writable);

gboolean gtk_selection_data_targets_include_uri  (GtkSelectionData  *selection_data);

gboolean gtk_targets_include_text                (GdkAtom       *targets,

						  gint           n_targets);

gboolean gtk_targets_include_rich_text           (GdkAtom       *targets,

						  gint           n_targets,

                                                  GtkTextBuffer *buffer);

gboolean gtk_targets_include_image               (GdkAtom       *targets,

						  gint           n_targets,

						  gboolean       writable);

gboolean gtk_targets_include_uri                 (GdkAtom       *targets,

						  gint           n_targets);

/* Called when a widget is destroyed */

void gtk_selection_remove_all      (GtkWidget *widget);

/* Event handlers */

#if !defined(GTK_DISABLE_DEPRECATED) || defined (GTK_COMPILATION)

gboolean gtk_selection_clear		  (GtkWidget 	     *widget,

					   GdkEventSelection *event);

#endif

gboolean _gtk_selection_request		  (GtkWidget  	     *widget,

					   GdkEventSelection *event);

gboolean _gtk_selection_incr_event	  (GdkWindow         *window,

					   GdkEventProperty  *event);

gboolean _gtk_selection_notify		  (GtkWidget         *widget,

					   GdkEventSelection *event);

gboolean _gtk_selection_property_notify	  (GtkWidget         *widget,

					   GdkEventProperty  *event);

GType             gtk_selection_data_get_type (void) G_GNUC_CONST;

GtkSelectionData *gtk_selection_data_copy     (GtkSelectionData *data);

void		  gtk_selection_data_free     (GtkSelectionData *data);

GType             gtk_target_list_get_type    (void) G_GNUC_CONST;

G_END_DECLS

#endif /* __GTK_SELECTION_H__ */