1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
4 * (GLABELS) Label and Business Card Creation program for GNOME
6 * object-editor.c: object properties editor module
8 * Copyright (C) 2003 Jim Evins <evins@snaught.com>.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include "object-editor.h"
28 #include <glib/gi18n.h>
29 #include <gtk/gtkimage.h>
30 #include <gtk/gtkfilechooserbutton.h>
31 #include <gtk/gtkcombobox.h>
32 #include <gtk/gtktogglebutton.h>
37 #include "object-editor-private.h"
41 /*===========================================*/
43 /*===========================================*/
45 /*===========================================*/
46 /* Private data types */
47 /*===========================================*/
49 /*===========================================*/
51 /*===========================================*/
53 /*===========================================*/
54 /* Local function prototypes */
55 /*===========================================*/
57 static void img_radio_toggled_cb (glObjectEditor *editor);
59 static void update_preview_cb (GtkFileChooser *file_chooser,
61 static void add_image_filters_to_chooser (GtkFileChooser *file_chooser);
65 /*--------------------------------------------------------------------------*/
66 /* PRIVATE. Prepare image page. */
67 /*--------------------------------------------------------------------------*/
69 gl_object_editor_prepare_image_page (glObjectEditor *editor)
72 GtkFileFilter *filter;
76 gl_debug (DEBUG_EDITOR, "START");
78 /* Extract widgets from XML tree. */
79 editor->priv->img_page_vbox = glade_xml_get_widget (editor->priv->gui,
81 editor->priv->img_file_radio = glade_xml_get_widget (editor->priv->gui,
83 editor->priv->img_key_radio = glade_xml_get_widget (editor->priv->gui,
85 editor->priv->img_file_button = glade_xml_get_widget (editor->priv->gui,
87 editor->priv->img_key_combo = glade_xml_get_widget (editor->priv->gui,
90 gl_util_combo_box_add_text_model ( GTK_COMBO_BOX(editor->priv->img_key_combo));
92 /* Modify file button properties. */
93 add_image_filters_to_chooser (GTK_FILE_CHOOSER (editor->priv->img_file_button));
94 preview = gtk_image_new ();
95 gtk_file_chooser_set_preview_widget (GTK_FILE_CHOOSER (editor->priv->img_file_button), preview);
96 g_signal_connect (G_OBJECT (editor->priv->img_file_button),
98 G_CALLBACK (update_preview_cb), preview);
101 gtk_widget_show_all (editor->priv->img_page_vbox);
103 /* Connect signals */
104 g_signal_connect_swapped (G_OBJECT (editor->priv->img_file_button),
106 G_CALLBACK (gl_object_editor_changed_cb),
108 g_signal_connect_swapped (G_OBJECT (editor->priv->img_key_combo),
110 G_CALLBACK (gl_object_editor_changed_cb),
112 g_signal_connect_swapped (G_OBJECT (editor->priv->img_file_radio),
114 G_CALLBACK (img_radio_toggled_cb),
116 g_signal_connect_swapped (G_OBJECT (editor->priv->img_key_radio),
118 G_CALLBACK (img_radio_toggled_cb),
121 gl_debug (DEBUG_EDITOR, "END");
124 /*--------------------------------------------------------------------------*/
125 /* PRIVATE. image radio callback. */
126 /*--------------------------------------------------------------------------*/
128 img_radio_toggled_cb (glObjectEditor *editor)
130 gl_debug (DEBUG_WDGT, "START");
132 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->img_file_radio))) {
133 gtk_widget_set_sensitive (editor->priv->img_file_button, TRUE);
134 gtk_widget_set_sensitive (editor->priv->img_key_combo, FALSE);
136 gtk_widget_set_sensitive (editor->priv->img_file_button, FALSE);
137 gtk_widget_set_sensitive (editor->priv->img_key_combo, TRUE);
140 /* Emit our "changed" signal */
141 g_signal_emit (G_OBJECT (editor), gl_object_editor_signals[CHANGED], 0);
143 gl_debug (DEBUG_WDGT, "END");
146 /*****************************************************************************/
148 /*****************************************************************************/
150 gl_object_editor_set_image (glObjectEditor *editor,
152 glTextNode *text_node)
154 gl_debug (DEBUG_EDITOR, "START");
156 g_signal_handlers_block_by_func (G_OBJECT (editor->priv->img_file_button),
157 G_CALLBACK (gl_object_editor_changed_cb),
159 g_signal_handlers_block_by_func (G_OBJECT (editor->priv->img_key_combo),
160 G_CALLBACK (gl_object_editor_changed_cb),
163 gtk_widget_set_sensitive (editor->priv->img_key_radio, merge_flag);
165 if (!text_node->field_flag) {
167 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
168 (editor->priv->img_file_radio), TRUE);
169 gtk_widget_set_sensitive (editor->priv->img_file_button, TRUE);
170 gtk_widget_set_sensitive (editor->priv->img_key_combo, FALSE);
172 if (text_node->data != NULL ) {
173 gtk_file_chooser_set_filename (GTK_FILE_CHOOSER(editor->priv->img_file_button),
176 gtk_file_chooser_unselect_all (GTK_FILE_CHOOSER(editor->priv->img_file_button));
180 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
181 (editor->priv->img_key_radio), TRUE);
183 gtk_widget_set_sensitive (editor->priv->img_file_button, FALSE);
184 gtk_widget_set_sensitive (editor->priv->img_key_combo, TRUE);
186 gl_util_combo_box_set_active_text (GTK_COMBO_BOX (editor->priv->img_key_combo),
190 g_signal_handlers_unblock_by_func (G_OBJECT (editor->priv->img_file_button),
191 G_CALLBACK (gl_object_editor_changed_cb),
193 g_signal_handlers_unblock_by_func (G_OBJECT (editor->priv->img_key_combo),
194 G_CALLBACK (gl_object_editor_changed_cb),
197 gl_debug (DEBUG_EDITOR, "END");
200 /*****************************************************************************/
202 /*****************************************************************************/
204 gl_object_editor_get_image (glObjectEditor *editor)
206 glTextNode *text_node;
208 gl_debug (DEBUG_EDITOR, "START");
210 text_node = g_new0(glTextNode,1);
212 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->img_file_radio))) {
213 text_node->field_flag = FALSE;
215 gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(editor->priv->img_file_button));
217 text_node->field_flag = TRUE;
219 gtk_combo_box_get_active_text (GTK_COMBO_BOX (editor->priv->img_key_combo));
222 gl_debug (DEBUG_EDITOR, "text_node: field_flag=%d, data=%s",
223 text_node->field_flag, text_node->data);
225 gl_debug (DEBUG_EDITOR, "END");
230 /*--------------------------------------------------------------------------*/
231 /* PRIVATE. Update preview image. */
232 /*--------------------------------------------------------------------------*/
234 update_preview_cb (GtkFileChooser *file_chooser, gpointer data)
239 gboolean have_preview;
241 preview = GTK_WIDGET (data);
242 filename = gtk_file_chooser_get_preview_filename (file_chooser);
245 pixbuf = gdk_pixbuf_new_from_file_at_size (filename, 128, 128, NULL);
246 have_preview = (pixbuf != NULL);
249 gtk_image_set_from_pixbuf (GTK_IMAGE (preview), pixbuf);
251 gdk_pixbuf_unref (pixbuf);
253 gtk_file_chooser_set_preview_widget_active (file_chooser,
256 gtk_file_chooser_set_preview_widget_active (file_chooser, FALSE);
260 /*--------------------------------------------------------------------------*/
261 /* PRIVATE. Add filters to file chooser. */
262 /* Based on eog's eog_file_selection_add_filter(). */
263 /*--------------------------------------------------------------------------*/
265 add_image_filters_to_chooser (GtkFileChooser *chooser)
267 GtkFileFilter *all_file_filter;
268 GtkFileFilter *all_img_filter;
271 GtkFileFilter *filter;
272 GSList *filters = NULL;
273 gchar **mime_types, **pattern, *tmp;
276 /* All Files Filter */
277 all_file_filter = gtk_file_filter_new ();
278 gtk_file_filter_set_name (all_file_filter, _("All Files"));
279 gtk_file_filter_add_pattern (all_file_filter, "*");
281 /* All Image Filter */
282 all_img_filter = gtk_file_filter_new ();
283 gtk_file_filter_set_name (all_img_filter, _("All Images"));
285 /* Individual image filters */
286 formats = gdk_pixbuf_get_formats ();
287 for (it = formats; it != NULL; it = it->next) {
289 GdkPixbufFormat *format;
290 filter = gtk_file_filter_new ();
291 gchar *description, *name;
293 format = (GdkPixbufFormat*) it->data;
295 /* Filter name: First description then file extension, eg. "The PNG-Format (*.png)".*/
296 description = gdk_pixbuf_format_get_description (format);
297 name = gdk_pixbuf_format_get_name (format);
298 filter_name = g_strdup_printf (_("%s (*.%s)"), description, name);
299 g_free (description);
301 gtk_file_filter_set_name (filter, filter_name);
302 g_free (filter_name);
304 mime_types = gdk_pixbuf_format_get_mime_types ((GdkPixbufFormat *) it->data);
305 for (i = 0; mime_types[i] != NULL; i++) {
306 gtk_file_filter_add_mime_type (filter, mime_types[i]);
307 gtk_file_filter_add_mime_type (all_img_filter, mime_types[i]);
309 g_strfreev (mime_types);
311 pattern = gdk_pixbuf_format_get_extensions ((GdkPixbufFormat *) it->data);
312 for (i = 0; pattern[i] != NULL; i++) {
313 tmp = g_strconcat ("*.", pattern[i], NULL);
314 gtk_file_filter_add_pattern (filter, tmp);
315 gtk_file_filter_add_pattern (all_img_filter, tmp);
318 g_strfreev (pattern);
320 filters = g_slist_prepend (filters, filter);
322 g_slist_free (formats);
324 /* Add filter to filechooser */
325 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), all_file_filter);
326 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), all_img_filter);
327 gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser), all_img_filter);
329 for (it = filters; it != NULL; it = it->next) {
330 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser),
331 GTK_FILE_FILTER (it->data));
333 g_slist_free (filters);