forked from AuroraMiddleware/gtk
9c1e61e9aa
This needs more work, currently we do dupe targets when copying target entries in various places, and consequently free them later. To do this correctly, the strings need to be interned or something like that.
227 lines
9.3 KiB
C
227 lines
9.3 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#ifndef __GTK_SELECTION_H__
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#define __GTK_SELECTION_H__
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#include <gtk/gtkwidget.h>
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#include <gtk/gtktextiter.h>
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G_BEGIN_DECLS
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typedef struct _GtkTargetList GtkTargetList;
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typedef struct _GtkTargetEntry GtkTargetEntry;
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#define GTK_TYPE_SELECTION_DATA (gtk_selection_data_get_type ())
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#define GTK_TYPE_TARGET_LIST (gtk_target_list_get_type ())
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/* The contents of a selection are returned in a GtkSelectionData
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* structure. selection/target identify the request. type specifies
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* the type of the return; if length < 0, and the data should be
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* ignored. This structure has object semantics - no fields should be
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* modified directly, they should not be created directly, and
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* pointers to them should not be stored beyond the duration of a
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* callback. (If the last is changed, we'll need to add reference
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* counting.) The time field gives the timestamp at which the data was
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* sent.
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*/
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struct _GtkSelectionData
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{
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GdkAtom GSEAL (selection);
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GdkAtom GSEAL (target);
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GdkAtom GSEAL (type);
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gint GSEAL (format);
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guchar *GSEAL (data);
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gint GSEAL (length);
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GdkDisplay *GSEAL (display);
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};
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struct _GtkTargetEntry
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{
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gchar *target;
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guint flags;
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guint info;
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};
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/* These structures not public, and are here only for the convenience of
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* gtkdnd.c
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*/
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typedef struct _GtkTargetPair GtkTargetPair;
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/* This structure is a list of destinations, and associated guint id's */
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struct _GtkTargetList {
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GList *list;
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guint ref_count;
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};
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struct _GtkTargetPair {
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GdkAtom target;
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guint flags;
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guint info;
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};
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GtkTargetList *gtk_target_list_new (const GtkTargetEntry *targets,
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guint ntargets);
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GtkTargetList *gtk_target_list_ref (GtkTargetList *list);
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void gtk_target_list_unref (GtkTargetList *list);
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void gtk_target_list_add (GtkTargetList *list,
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GdkAtom target,
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guint flags,
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guint info);
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void gtk_target_list_add_text_targets (GtkTargetList *list,
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guint info);
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void gtk_target_list_add_rich_text_targets (GtkTargetList *list,
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guint info,
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gboolean deserializable,
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GtkTextBuffer *buffer);
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void gtk_target_list_add_image_targets (GtkTargetList *list,
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guint info,
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gboolean writable);
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void gtk_target_list_add_uri_targets (GtkTargetList *list,
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guint info);
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void gtk_target_list_add_table (GtkTargetList *list,
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const GtkTargetEntry *targets,
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guint ntargets);
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void gtk_target_list_remove (GtkTargetList *list,
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GdkAtom target);
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gboolean gtk_target_list_find (GtkTargetList *list,
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GdkAtom target,
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guint *info);
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GtkTargetEntry * gtk_target_table_new_from_list (GtkTargetList *list,
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gint *n_targets);
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void gtk_target_table_free (GtkTargetEntry *targets,
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gint n_targets);
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/* Public interface */
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gboolean gtk_selection_owner_set (GtkWidget *widget,
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GdkAtom selection,
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guint32 time_);
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gboolean gtk_selection_owner_set_for_display (GdkDisplay *display,
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GtkWidget *widget,
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GdkAtom selection,
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guint32 time_);
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void gtk_selection_add_target (GtkWidget *widget,
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GdkAtom selection,
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GdkAtom target,
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guint info);
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void gtk_selection_add_targets (GtkWidget *widget,
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GdkAtom selection,
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const GtkTargetEntry *targets,
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guint ntargets);
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void gtk_selection_clear_targets (GtkWidget *widget,
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GdkAtom selection);
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gboolean gtk_selection_convert (GtkWidget *widget,
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GdkAtom selection,
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GdkAtom target,
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guint32 time_);
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GdkAtom gtk_selection_data_get_selection (GtkSelectionData *selection_data);
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GdkAtom gtk_selection_data_get_target (GtkSelectionData *selection_data);
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GdkAtom gtk_selection_data_get_data_type (GtkSelectionData *selection_data);
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gint gtk_selection_data_get_format (GtkSelectionData *selection_data);
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const guchar *gtk_selection_data_get_data (GtkSelectionData *selection_data);
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gint gtk_selection_data_get_length (GtkSelectionData *selection_data);
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GdkDisplay *gtk_selection_data_get_display (GtkSelectionData *selection_data);
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void gtk_selection_data_set (GtkSelectionData *selection_data,
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GdkAtom type,
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gint format,
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const guchar *data,
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gint length);
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gboolean gtk_selection_data_set_text (GtkSelectionData *selection_data,
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const gchar *str,
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gint len);
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guchar * gtk_selection_data_get_text (GtkSelectionData *selection_data);
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gboolean gtk_selection_data_set_pixbuf (GtkSelectionData *selection_data,
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GdkPixbuf *pixbuf);
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GdkPixbuf *gtk_selection_data_get_pixbuf (GtkSelectionData *selection_data);
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gboolean gtk_selection_data_set_uris (GtkSelectionData *selection_data,
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gchar **uris);
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gchar **gtk_selection_data_get_uris (GtkSelectionData *selection_data);
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gboolean gtk_selection_data_get_targets (GtkSelectionData *selection_data,
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GdkAtom **targets,
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gint *n_atoms);
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gboolean gtk_selection_data_targets_include_text (GtkSelectionData *selection_data);
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gboolean gtk_selection_data_targets_include_rich_text (GtkSelectionData *selection_data,
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GtkTextBuffer *buffer);
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gboolean gtk_selection_data_targets_include_image (GtkSelectionData *selection_data,
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gboolean writable);
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gboolean gtk_selection_data_targets_include_uri (GtkSelectionData *selection_data);
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gboolean gtk_targets_include_text (GdkAtom *targets,
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gint n_targets);
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gboolean gtk_targets_include_rich_text (GdkAtom *targets,
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gint n_targets,
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GtkTextBuffer *buffer);
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gboolean gtk_targets_include_image (GdkAtom *targets,
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gint n_targets,
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gboolean writable);
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gboolean gtk_targets_include_uri (GdkAtom *targets,
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gint n_targets);
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/* Called when a widget is destroyed */
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void gtk_selection_remove_all (GtkWidget *widget);
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/* Event handlers */
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gboolean _gtk_selection_clear (GtkWidget *widget,
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GdkEventSelection *event);
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gboolean _gtk_selection_request (GtkWidget *widget,
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GdkEventSelection *event);
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gboolean _gtk_selection_incr_event (GdkWindow *window,
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GdkEventProperty *event);
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gboolean _gtk_selection_notify (GtkWidget *widget,
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GdkEventSelection *event);
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gboolean _gtk_selection_property_notify (GtkWidget *widget,
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GdkEventProperty *event);
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GType gtk_selection_data_get_type (void) G_GNUC_CONST;
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GtkSelectionData *gtk_selection_data_copy (GtkSelectionData *data);
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void gtk_selection_data_free (GtkSelectionData *data);
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GType gtk_target_entry_get_type (void) G_GNUC_CONST;
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GtkTargetEntry *gtk_target_entry_new (const char *target, guint flags, guint info);
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GtkTargetEntry *gtk_target_entry_copy (GtkTargetEntry *data);
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void gtk_target_entry_free (GtkTargetEntry *data);
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GType gtk_target_list_get_type (void) G_GNUC_CONST;
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G_END_DECLS
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#endif /* __GTK_SELECTION_H__ */
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