1 /* GTK - The GIMP Toolkit
2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 /*
19  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
20  * file for a list of people on the GTK+ Team.  See the ChangeLog
21  * files for a list of changes.  These files are distributed with
22  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
23  */
24 
25 #ifndef __GTK_SELECTION_H__
26 #define __GTK_SELECTION_H__
27 
28 #if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
29 #error "Only <gtk/gtk.h> can be included directly."
30 #endif
31 
32 #include <gtk/gtkwidget.h>
33 #include <gtk/gtktextiter.h>
34 
35 G_BEGIN_DECLS
36 
37 typedef struct _GtkTargetPair GtkTargetPair;
38 
39 /**
40  * GtkTargetPair:
41  * @target: #GdkAtom representation of the target type
42  * @flags: #GtkTargetFlags for DND
43  * @info: an application-assigned integer ID which will
44  *     get passed as a parameter to e.g the #GtkWidget::selection-get
45  *     signal. It allows the application to identify the target
46  *     type without extensive string compares.
47  *
48  * A #GtkTargetPair is used to represent the same
49  * information as a table of #GtkTargetEntry, but in
50  * an efficient form.
51  */
52 struct _GtkTargetPair
53 {
54   GdkAtom   target;
55   guint     flags;
56   guint     info;
57 };
58 
59 /**
60  * GtkTargetList:
61  *
62  * A #GtkTargetList-struct is a reference counted list
63  * of #GtkTargetPair and should be treated as
64  * opaque.
65  */
66 typedef struct _GtkTargetList  GtkTargetList;
67 typedef struct _GtkTargetEntry GtkTargetEntry;
68 
69 #define GTK_TYPE_SELECTION_DATA (gtk_selection_data_get_type ())
70 #define GTK_TYPE_TARGET_LIST    (gtk_target_list_get_type ())
71 
72 /**
73  * GtkTargetFlags:
74  * @GTK_TARGET_SAME_APP: If this is set, the target will only be selected
75  *   for drags within a single application.
76  * @GTK_TARGET_SAME_WIDGET: If this is set, the target will only be selected
77  *   for drags within a single widget.
78  * @GTK_TARGET_OTHER_APP: If this is set, the target will not be selected
79  *   for drags within a single application.
80  * @GTK_TARGET_OTHER_WIDGET: If this is set, the target will not be selected
81  *   for drags withing a single widget.
82  *
83  * The #GtkTargetFlags enumeration is used to specify
84  * constraints on a #GtkTargetEntry.
85  */
86 typedef enum {
87   GTK_TARGET_SAME_APP = 1 << 0,    /*< nick=same-app >*/
88   GTK_TARGET_SAME_WIDGET = 1 << 1, /*< nick=same-widget >*/
89   GTK_TARGET_OTHER_APP = 1 << 2,   /*< nick=other-app >*/
90   GTK_TARGET_OTHER_WIDGET = 1 << 3 /*< nick=other-widget >*/
91 } GtkTargetFlags;
92 
93 /**
94  * GtkTargetEntry:
95  * @target: a string representation of the target type
96  * @flags: #GtkTargetFlags for DND
97  * @info: an application-assigned integer ID which will
98  *     get passed as a parameter to e.g the #GtkWidget::selection-get
99  *     signal. It allows the application to identify the target
100  *     type without extensive string compares.
101  *
102  * A #GtkTargetEntry represents a single type of
103  * data than can be supplied for by a widget for a selection
104  * or for supplied or received during drag-and-drop.
105  */
106 struct _GtkTargetEntry
107 {
108   gchar *target;
109   guint  flags;
110   guint  info;
111 };
112 
113 GDK_AVAILABLE_IN_ALL
114 GType          gtk_target_list_get_type  (void) G_GNUC_CONST;
115 GDK_AVAILABLE_IN_ALL
116 GtkTargetList *gtk_target_list_new       (const GtkTargetEntry *targets,
117                                           guint                 ntargets);
118 GDK_AVAILABLE_IN_ALL
119 GtkTargetList *gtk_target_list_ref       (GtkTargetList  *list);
120 GDK_AVAILABLE_IN_ALL
121 void           gtk_target_list_unref     (GtkTargetList  *list);
122 GDK_AVAILABLE_IN_ALL
123 void           gtk_target_list_add       (GtkTargetList  *list,
124                                           GdkAtom         target,
125                                           guint           flags,
126                                           guint           info);
127 GDK_AVAILABLE_IN_ALL
128 void           gtk_target_list_add_text_targets      (GtkTargetList  *list,
129                                                       guint           info);
130 GDK_AVAILABLE_IN_ALL
131 void           gtk_target_list_add_rich_text_targets (GtkTargetList  *list,
132                                                       guint           info,
133                                                       gboolean        deserializable,
134                                                       GtkTextBuffer  *buffer);
135 GDK_AVAILABLE_IN_ALL
136 void           gtk_target_list_add_image_targets     (GtkTargetList  *list,
137                                                       guint           info,
138                                                       gboolean        writable);
139 GDK_AVAILABLE_IN_ALL
140 void           gtk_target_list_add_uri_targets       (GtkTargetList  *list,
141                                                       guint           info);
142 GDK_AVAILABLE_IN_ALL
143 void           gtk_target_list_add_table (GtkTargetList        *list,
144                                           const GtkTargetEntry *targets,
145                                           guint                 ntargets);
146 GDK_AVAILABLE_IN_ALL
147 void           gtk_target_list_remove    (GtkTargetList  *list,
148                                           GdkAtom         target);
149 GDK_AVAILABLE_IN_ALL
150 gboolean       gtk_target_list_find      (GtkTargetList  *list,
151                                           GdkAtom         target,
152                                           guint          *info);
153 
154 GDK_AVAILABLE_IN_ALL
155 GtkTargetEntry * gtk_target_table_new_from_list (GtkTargetList  *list,
156                                                  gint           *n_targets);
157 GDK_AVAILABLE_IN_ALL
158 void             gtk_target_table_free          (GtkTargetEntry *targets,
159                                                  gint            n_targets);
160 
161 GDK_AVAILABLE_IN_ALL
162 gboolean gtk_selection_owner_set             (GtkWidget  *widget,
163                                               GdkAtom     selection,
164                                               guint32     time_);
165 GDK_AVAILABLE_IN_ALL
166 gboolean gtk_selection_owner_set_for_display (GdkDisplay *display,
167                                               GtkWidget  *widget,
168                                               GdkAtom     selection,
169                                               guint32     time_);
170 
171 GDK_AVAILABLE_IN_ALL
172 void     gtk_selection_add_target    (GtkWidget            *widget,
173                                       GdkAtom               selection,
174                                       GdkAtom               target,
175                                       guint                 info);
176 GDK_AVAILABLE_IN_ALL
177 void     gtk_selection_add_targets   (GtkWidget            *widget,
178                                       GdkAtom               selection,
179                                       const GtkTargetEntry *targets,
180                                       guint                 ntargets);
181 GDK_AVAILABLE_IN_ALL
182 void     gtk_selection_clear_targets (GtkWidget            *widget,
183                                       GdkAtom               selection);
184 GDK_AVAILABLE_IN_ALL
185 gboolean gtk_selection_convert       (GtkWidget            *widget,
186                                       GdkAtom               selection,
187                                       GdkAtom               target,
188                                       guint32               time_);
189 GDK_AVAILABLE_IN_ALL
190 void     gtk_selection_remove_all    (GtkWidget             *widget);
191 
192 GDK_AVAILABLE_IN_ALL
193 GdkAtom       gtk_selection_data_get_selection (const GtkSelectionData *selection_data);
194 GDK_AVAILABLE_IN_ALL
195 GdkAtom       gtk_selection_data_get_target    (const GtkSelectionData *selection_data);
196 GDK_AVAILABLE_IN_ALL
197 GdkAtom       gtk_selection_data_get_data_type (const GtkSelectionData *selection_data);
198 GDK_AVAILABLE_IN_ALL
199 gint          gtk_selection_data_get_format    (const GtkSelectionData *selection_data);
200 GDK_AVAILABLE_IN_ALL
201 const guchar *gtk_selection_data_get_data      (const GtkSelectionData *selection_data);
202 GDK_AVAILABLE_IN_ALL
203 gint          gtk_selection_data_get_length    (const GtkSelectionData *selection_data);
204 GDK_AVAILABLE_IN_ALL
205 const guchar *gtk_selection_data_get_data_with_length
206                                                (const GtkSelectionData *selection_data,
207                                                 gint                   *length);
208 
209 GDK_AVAILABLE_IN_ALL
210 GdkDisplay   *gtk_selection_data_get_display   (const GtkSelectionData *selection_data);
211 
212 GDK_AVAILABLE_IN_ALL
213 void     gtk_selection_data_set      (GtkSelectionData     *selection_data,
214                                       GdkAtom               type,
215                                       gint                  format,
216                                       const guchar         *data,
217                                       gint                  length);
218 GDK_AVAILABLE_IN_ALL
219 gboolean gtk_selection_data_set_text (GtkSelectionData     *selection_data,
220                                       const gchar          *str,
221                                       gint                  len);
222 GDK_AVAILABLE_IN_ALL
223 guchar * gtk_selection_data_get_text (const GtkSelectionData     *selection_data);
224 GDK_AVAILABLE_IN_ALL
225 gboolean gtk_selection_data_set_pixbuf   (GtkSelectionData  *selection_data,
226                                           GdkPixbuf         *pixbuf);
227 GDK_AVAILABLE_IN_ALL
228 GdkPixbuf *gtk_selection_data_get_pixbuf (const GtkSelectionData  *selection_data);
229 GDK_AVAILABLE_IN_ALL
230 gboolean gtk_selection_data_set_uris (GtkSelectionData     *selection_data,
231                                       gchar               **uris);
232 GDK_AVAILABLE_IN_ALL
233 gchar  **gtk_selection_data_get_uris (const GtkSelectionData     *selection_data);
234 
235 GDK_AVAILABLE_IN_ALL
236 gboolean gtk_selection_data_get_targets          (const GtkSelectionData  *selection_data,
237                                                   GdkAtom          **targets,
238                                                   gint              *n_atoms);
239 GDK_AVAILABLE_IN_ALL
240 gboolean gtk_selection_data_targets_include_text (const GtkSelectionData  *selection_data);
241 GDK_AVAILABLE_IN_ALL
242 gboolean gtk_selection_data_targets_include_rich_text (const GtkSelectionData *selection_data,
243                                                        GtkTextBuffer    *buffer);
244 GDK_AVAILABLE_IN_ALL
245 gboolean gtk_selection_data_targets_include_image (const GtkSelectionData  *selection_data,
246                                                    gboolean           writable);
247 GDK_AVAILABLE_IN_ALL
248 gboolean gtk_selection_data_targets_include_uri  (const GtkSelectionData  *selection_data);
249 GDK_AVAILABLE_IN_ALL
250 gboolean gtk_targets_include_text                (GdkAtom       *targets,
251                                                   gint           n_targets);
252 GDK_AVAILABLE_IN_ALL
253 gboolean gtk_targets_include_rich_text           (GdkAtom       *targets,
254                                                   gint           n_targets,
255                                                   GtkTextBuffer *buffer);
256 GDK_AVAILABLE_IN_ALL
257 gboolean gtk_targets_include_image               (GdkAtom       *targets,
258                                                   gint           n_targets,
259                                                   gboolean       writable);
260 GDK_AVAILABLE_IN_ALL
261 gboolean gtk_targets_include_uri                 (GdkAtom       *targets,
262                                                   gint           n_targets);
263 
264 
265 GDK_AVAILABLE_IN_ALL
266 GType             gtk_selection_data_get_type (void) G_GNUC_CONST;
267 GDK_AVAILABLE_IN_ALL
268 GtkSelectionData *gtk_selection_data_copy     (const GtkSelectionData *data);
269 GDK_AVAILABLE_IN_ALL
270 void              gtk_selection_data_free     (GtkSelectionData *data);
271 
272 GDK_AVAILABLE_IN_ALL
273 GType             gtk_target_entry_get_type    (void) G_GNUC_CONST;
274 GDK_AVAILABLE_IN_ALL
275 GtkTargetEntry   *gtk_target_entry_new        (const gchar    *target,
276                                                guint           flags,
277                                                guint           info);
278 GDK_AVAILABLE_IN_ALL
279 GtkTargetEntry   *gtk_target_entry_copy       (GtkTargetEntry *data);
280 GDK_AVAILABLE_IN_ALL
281 void              gtk_target_entry_free       (GtkTargetEntry *data);
282 
283 G_END_DECLS
284 
285 #endif /* __GTK_SELECTION_H__ */
286