1 /* GTK - The GIMP Toolkit
2 * gtkfilechooserutils.c: Private utility functions useful for
3 * implementing a GtkFileChooser interface
4 * Copyright (C) 2003, Red Hat, Inc.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
22 #include "gtkfilechooserutils.h"
23 #include "gtkfilechooser.h"
24 #include "gtkfilesystem.h"
25 #include "gtktypebuiltins.h"
27 static void delegate_set_current_folder (GtkFileChooser *chooser,
28 const GtkFilePath *path);
29 static GtkFilePath * delegate_get_current_folder (GtkFileChooser *chooser);
30 static void delegate_set_current_name (GtkFileChooser *chooser,
32 static void delegate_select_path (GtkFileChooser *chooser,
33 const GtkFilePath *path);
34 static void delegate_unselect_path (GtkFileChooser *chooser,
35 const GtkFilePath *path);
36 static void delegate_select_all (GtkFileChooser *chooser);
37 static void delegate_unselect_all (GtkFileChooser *chooser);
38 static GSList * delegate_get_paths (GtkFileChooser *chooser);
39 static GtkFilePath * delegate_get_preview_path (GtkFileChooser *chooser);
40 static GtkFileSystem *delegate_get_file_system (GtkFileChooser *chooser);
41 static void delegate_add_filter (GtkFileChooser *chooser,
42 GtkFileFilter *filter);
43 static void delegate_remove_filter (GtkFileChooser *chooser,
44 GtkFileFilter *filter);
45 static GSList * delegate_list_filters (GtkFileChooser *chooser);
46 static gboolean delegate_add_shortcut_folder (GtkFileChooser *chooser,
47 const GtkFilePath *path,
49 static gboolean delegate_remove_shortcut_folder (GtkFileChooser *chooser,
50 const GtkFilePath *path,
52 static GSList * delegate_list_shortcut_folders (GtkFileChooser *chooser);
53 static void delegate_notify (GObject *object,
56 static void delegate_current_folder_changed (GtkFileChooser *chooser,
58 static void delegate_selection_changed (GtkFileChooser *chooser,
60 static void delegate_update_preview (GtkFileChooser *chooser,
62 static void delegate_file_activated (GtkFileChooser *chooser,
66 * _gtk_file_chooser_install_properties:
67 * @klass: the class structure for a type deriving from #GObject
69 * Installs the necessary properties for a class implementing
70 * #GtkFileChooser. A #GtkParamSpecOverride property is installed
71 * for each property, using the values from the #GtkFileChooserProp
72 * enumeration. The caller must make sure itself that the enumeration
73 * values don't collide with some other property values they
77 _gtk_file_chooser_install_properties (GObjectClass *klass)
79 g_object_class_override_property (klass,
80 GTK_FILE_CHOOSER_PROP_ACTION,
82 g_object_class_override_property (klass,
83 GTK_FILE_CHOOSER_PROP_EXTRA_WIDGET,
85 g_object_class_override_property (klass,
86 GTK_FILE_CHOOSER_PROP_FILE_SYSTEM_BACKEND,
87 "file-system-backend");
88 g_object_class_override_property (klass,
89 GTK_FILE_CHOOSER_PROP_FILTER,
91 g_object_class_override_property (klass,
92 GTK_FILE_CHOOSER_PROP_FOLDER_MODE,
94 g_object_class_override_property (klass,
95 GTK_FILE_CHOOSER_PROP_LOCAL_ONLY,
97 g_object_class_override_property (klass,
98 GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET,
100 g_object_class_override_property (klass,
101 GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET_ACTIVE,
102 "preview-widget-active");
103 g_object_class_override_property (klass,
104 GTK_FILE_CHOOSER_PROP_SELECT_MULTIPLE,
106 g_object_class_override_property (klass,
107 GTK_FILE_CHOOSER_PROP_SHOW_HIDDEN,
112 * _gtk_file_chooser_delegate_iface_init:
113 * @iface: a #GtkFileChoserIface structure
115 * An interface-initialization function for use in cases where
116 * an object is simply delegating the methods, signals of
117 * the #GtkFileChooser interface to another object.
118 * _gtk_file_chooser_set_delegate() must be called on each
119 * instance of the object so that the delegate object can
123 _gtk_file_chooser_delegate_iface_init (GtkFileChooserIface *iface)
125 iface->set_current_folder = delegate_set_current_folder;
126 iface->get_current_folder = delegate_get_current_folder;
127 iface->set_current_name = delegate_set_current_name;
128 iface->select_path = delegate_select_path;
129 iface->unselect_path = delegate_unselect_path;
130 iface->select_all = delegate_select_all;
131 iface->unselect_all = delegate_unselect_all;
132 iface->get_paths = delegate_get_paths;
133 iface->get_preview_path = delegate_get_preview_path;
134 iface->get_file_system = delegate_get_file_system;
135 iface->add_filter = delegate_add_filter;
136 iface->remove_filter = delegate_remove_filter;
137 iface->list_filters = delegate_list_filters;
138 iface->add_shortcut_folder = delegate_add_shortcut_folder;
139 iface->remove_shortcut_folder = delegate_remove_shortcut_folder;
140 iface->list_shortcut_folders = delegate_list_shortcut_folders;
144 * _gtk_file_chooser_set_delegate:
145 * @receiver: a GOobject implementing #GtkFileChooser
146 * @delegate: another GObject implementing #GtkFileChooser
148 * Establishes that calls on @receiver for #GtkFileChooser
149 * methods should be delegated to @delegate, and that
150 * #GtkFileChooser signals emitted on @delegate should be
151 * forwarded to @receiver. Must be used in confunction with
152 * _gtk_file_chooser_delegate_iface_init().
155 _gtk_file_chooser_set_delegate (GtkFileChooser *receiver,
156 GtkFileChooser *delegate)
158 g_return_if_fail (GTK_IS_FILE_CHOOSER (receiver));
159 g_return_if_fail (GTK_IS_FILE_CHOOSER (delegate));
161 g_object_set_data (G_OBJECT (receiver), "gtk-file-chooser-delegate", delegate);
163 g_signal_connect (delegate, "notify",
164 G_CALLBACK (delegate_notify), receiver);
165 g_signal_connect (delegate, "current-folder-changed",
166 G_CALLBACK (delegate_current_folder_changed), receiver);
167 g_signal_connect (delegate, "selection-changed",
168 G_CALLBACK (delegate_selection_changed), receiver);
169 g_signal_connect (delegate, "update-preview",
170 G_CALLBACK (delegate_update_preview), receiver);
171 g_signal_connect (delegate, "file-activated",
172 G_CALLBACK (delegate_file_activated), receiver);
175 static GtkFileChooser *
176 get_delegate (GtkFileChooser *receiver)
178 return g_object_get_data (G_OBJECT (receiver), "gtk-file-chooser-delegate");
182 delegate_select_path (GtkFileChooser *chooser,
183 const GtkFilePath *path)
185 _gtk_file_chooser_select_path (get_delegate (chooser), path);
189 delegate_unselect_path (GtkFileChooser *chooser,
190 const GtkFilePath *path)
192 _gtk_file_chooser_unselect_path (get_delegate (chooser), path);
196 delegate_select_all (GtkFileChooser *chooser)
198 gtk_file_chooser_select_all (get_delegate (chooser));
202 delegate_unselect_all (GtkFileChooser *chooser)
204 gtk_file_chooser_unselect_all (get_delegate (chooser));
208 delegate_get_paths (GtkFileChooser *chooser)
210 return _gtk_file_chooser_get_paths (get_delegate (chooser));
214 delegate_get_preview_path (GtkFileChooser *chooser)
216 return _gtk_file_chooser_get_preview_path (get_delegate (chooser));
219 static GtkFileSystem *
220 delegate_get_file_system (GtkFileChooser *chooser)
222 return _gtk_file_chooser_get_file_system (get_delegate (chooser));
226 delegate_add_filter (GtkFileChooser *chooser,
227 GtkFileFilter *filter)
229 gtk_file_chooser_add_filter (get_delegate (chooser), filter);
233 delegate_remove_filter (GtkFileChooser *chooser,
234 GtkFileFilter *filter)
236 gtk_file_chooser_remove_filter (get_delegate (chooser), filter);
240 delegate_list_filters (GtkFileChooser *chooser)
242 return gtk_file_chooser_list_filters (get_delegate (chooser));
246 delegate_add_shortcut_folder (GtkFileChooser *chooser,
247 const GtkFilePath *path,
250 return _gtk_file_chooser_add_shortcut_folder (get_delegate (chooser), path, error);
254 delegate_remove_shortcut_folder (GtkFileChooser *chooser,
255 const GtkFilePath *path,
258 return _gtk_file_chooser_remove_shortcut_folder (get_delegate (chooser), path, error);
262 delegate_list_shortcut_folders (GtkFileChooser *chooser)
264 return gtk_file_chooser_list_shortcut_folders (get_delegate (chooser));
268 delegate_set_current_folder (GtkFileChooser *chooser,
269 const GtkFilePath *path)
271 _gtk_file_chooser_set_current_folder_path (get_delegate (chooser), path);
275 delegate_get_current_folder (GtkFileChooser *chooser)
277 return _gtk_file_chooser_get_current_folder_path (get_delegate (chooser));
281 delegate_set_current_name (GtkFileChooser *chooser,
284 gtk_file_chooser_set_current_name (get_delegate (chooser), name);
288 delegate_notify (GObject *object,
292 if (pspec->param_id >= GTK_FILE_CHOOSER_PROP_FIRST &&
293 pspec->param_id <= GTK_FILE_CHOOSER_PROP_LAST)
295 g_object_notify (data, pspec->name);
300 delegate_selection_changed (GtkFileChooser *chooser,
303 g_signal_emit_by_name (data, "selection-changed");
307 delegate_current_folder_changed (GtkFileChooser *chooser,
310 g_signal_emit_by_name (data, "current-folder-changed");
314 delegate_update_preview (GtkFileChooser *chooser,
317 g_signal_emit_by_name (data, "update-preview");
321 delegate_file_activated (GtkFileChooser *chooser,
324 g_signal_emit_by_name (data, "file-activated");