* 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
+ * 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
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * 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__
extern "C" {
#endif /* __cplusplus */
-typedef struct _GtkSelectionData GtkSelectioData;
+typedef struct _GtkTargetList GtkTargetList;
+typedef struct _GtkTargetEntry GtkTargetEntry;
+
+#define GTK_TYPE_SELECTION_DATA (gtk_selection_data_get_type ())
-/* a callback function that provides the selection. Arguments are:
- widget: selection owner
- offset: offset into selection
- buffer: buffer into which to store selection
- length: length of buffer
- bytes_after: (sizeof(selection) - offset - length ) (return)
- data: callback data */
+/* 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 selection;
+ GdkAtom target;
+ GdkAtom type;
+ gint format;
+ guchar *data;
+ gint length;
+ GdkDisplay *display;
+};
+
+struct _GtkTargetEntry {
+ gchar *target;
+ guint flags;
+ guint info;
+};
+
+/* These structures not public, and are here only for the convenience of
+ * gtkdnd.c
+ */
-typedef void (*GtkSelectionFunction) (GtkWidget *widget,
- GtkSelectionData *selection_data,
- gpointer data);
+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);
+void 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_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);
/* Public interface */
-gint gtk_selection_owner_set (GtkWidget *widget,
- GdkAtom selection,
- guint32 time);
-void gtk_selection_add_handler (GtkWidget *widget,
- GdkAtom selection,
- GdkAtom target,
- GtkSelectionFunction function,
- gpointer data);
-void gtk_selection_add_handler_full (GtkWidget *widget,
- GdkAtom selection,
- GdkAtom target,
- GtkSelectionFunction function,
- GtkCallbackMarshal marshal,
- gpointer data,
- GtkDestroyNotify destroy);
-gint gtk_selection_convert (GtkWidget *widget,
- GdkAtom selection,
- GdkAtom target,
- guint32 time);
-
-
-void gtk_selection_data_set (GtkSelectionData *selection_data,
- GdkAtom type,
- gint format,
- guchar *data,
- gint length);
+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);
+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_get_targets (GtkSelectionData *selection_data,
+ GdkAtom **targets,
+ gint *n_atoms);
+gboolean gtk_selection_data_targets_include_text (GtkSelectionData *selection_data);
/* Called when a widget is destroyed */
/* Event handlers */
-gint gtk_selection_clear (GtkWidget *widget,
- GdkEventSelection *event);
-gint gtk_selection_request (GtkWidget *widget,
- GdkEventSelection *event);
-gint gtk_selection_incr_event (GdkWindow *window,
- GdkEventProperty *event);
-gint gtk_selection_notify (GtkWidget *widget,
- GdkEventSelection *event);
-gint gtk_selection_property_notify (GtkWidget *widget,
- GdkEventProperty *event);
+gboolean gtk_selection_clear (GtkWidget *widget,
+ GdkEventSelection *event);
+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);
+GtkSelectionData *gtk_selection_data_copy (GtkSelectionData *data);
+void gtk_selection_data_free (GtkSelectionData *data);