2 * (GLABELS) Label and Business Card Creation program for GNOME
4 * object-editor.c: object properties editor module
6 * Copyright (C) 2003 Jim Evins <evins@snaught.com>.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include "object-editor.h"
26 #include <glib/gi18n.h>
27 #include <gtk/gtkimage.h>
28 #include <gtk/gtkfilechooserbutton.h>
29 #include <gtk/gtkcombobox.h>
30 #include <gtk/gtktogglebutton.h>
35 #include "object-editor-private.h"
39 /*===========================================*/
41 /*===========================================*/
43 /*===========================================*/
44 /* Private data types */
45 /*===========================================*/
47 /*===========================================*/
49 /*===========================================*/
51 /*===========================================*/
52 /* Local function prototypes */
53 /*===========================================*/
55 static void img_radio_toggled_cb (glObjectEditor *editor);
57 static void update_preview_cb (GtkFileChooser *file_chooser,
59 static void add_image_filters_to_chooser (GtkFileChooser *file_chooser);
63 /*--------------------------------------------------------------------------*/
64 /* PRIVATE. Prepare image page. */
65 /*--------------------------------------------------------------------------*/
67 gl_object_editor_prepare_image_page (glObjectEditor *editor)
70 GtkFileFilter *filter;
74 gl_debug (DEBUG_EDITOR, "START");
76 /* Extract widgets from XML tree. */
77 editor->priv->img_page_vbox = glade_xml_get_widget (editor->priv->gui,
79 editor->priv->img_file_radio = glade_xml_get_widget (editor->priv->gui,
81 editor->priv->img_key_radio = glade_xml_get_widget (editor->priv->gui,
83 editor->priv->img_file_button = glade_xml_get_widget (editor->priv->gui,
85 editor->priv->img_key_combo = glade_xml_get_widget (editor->priv->gui,
88 gl_util_combo_box_add_text_model ( GTK_COMBO_BOX(editor->priv->img_key_combo));
90 /* Modify file button properties. */
91 add_image_filters_to_chooser (GTK_FILE_CHOOSER (editor->priv->img_file_button));
92 preview = gtk_image_new ();
93 gtk_file_chooser_set_preview_widget (GTK_FILE_CHOOSER (editor->priv->img_file_button), preview);
94 g_signal_connect (G_OBJECT (editor->priv->img_file_button),
96 G_CALLBACK (update_preview_cb), preview);
99 gtk_widget_show_all (editor->priv->img_page_vbox);
101 /* Connect signals */
102 g_signal_connect_swapped (G_OBJECT (editor->priv->img_file_button),
104 G_CALLBACK (gl_object_editor_changed_cb),
106 g_signal_connect_swapped (G_OBJECT (editor->priv->img_key_combo),
108 G_CALLBACK (gl_object_editor_changed_cb),
110 g_signal_connect_swapped (G_OBJECT (editor->priv->img_file_radio),
112 G_CALLBACK (img_radio_toggled_cb),
114 g_signal_connect_swapped (G_OBJECT (editor->priv->img_key_radio),
116 G_CALLBACK (img_radio_toggled_cb),
119 gl_debug (DEBUG_EDITOR, "END");
122 /*--------------------------------------------------------------------------*/
123 /* PRIVATE. image radio callback. */
124 /*--------------------------------------------------------------------------*/
126 img_radio_toggled_cb (glObjectEditor *editor)
128 gl_debug (DEBUG_WDGT, "START");
130 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->img_file_radio))) {
131 gtk_widget_set_sensitive (editor->priv->img_file_button, TRUE);
132 gtk_widget_set_sensitive (editor->priv->img_key_combo, FALSE);
134 gtk_widget_set_sensitive (editor->priv->img_file_button, FALSE);
135 gtk_widget_set_sensitive (editor->priv->img_key_combo, TRUE);
138 /* Emit our "changed" signal */
139 g_signal_emit (G_OBJECT (editor), gl_object_editor_signals[CHANGED], 0);
141 gl_debug (DEBUG_WDGT, "END");
144 /*****************************************************************************/
146 /*****************************************************************************/
148 gl_object_editor_set_image (glObjectEditor *editor,
150 glTextNode *text_node)
152 gl_debug (DEBUG_EDITOR, "START");
154 g_signal_handlers_block_by_func (G_OBJECT (editor->priv->img_file_button),
155 G_CALLBACK (gl_object_editor_changed_cb),
157 g_signal_handlers_block_by_func (G_OBJECT (editor->priv->img_key_combo),
158 G_CALLBACK (gl_object_editor_changed_cb),
161 gtk_widget_set_sensitive (editor->priv->img_key_radio, merge_flag);
163 if (!text_node->field_flag) {
165 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
166 (editor->priv->img_file_radio), TRUE);
167 gtk_widget_set_sensitive (editor->priv->img_file_button, TRUE);
168 gtk_widget_set_sensitive (editor->priv->img_key_combo, FALSE);
170 if (text_node->data != NULL ) {
171 gtk_file_chooser_set_filename (GTK_FILE_CHOOSER(editor->priv->img_file_button),
174 gtk_file_chooser_unselect_all (GTK_FILE_CHOOSER(editor->priv->img_file_button));
178 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
179 (editor->priv->img_key_radio), TRUE);
181 gtk_widget_set_sensitive (editor->priv->img_file_button, FALSE);
182 gtk_widget_set_sensitive (editor->priv->img_key_combo, TRUE);
184 gl_util_combo_box_set_active_text (GTK_COMBO_BOX (editor->priv->img_key_combo),
188 g_signal_handlers_unblock_by_func (G_OBJECT (editor->priv->img_file_button),
189 G_CALLBACK (gl_object_editor_changed_cb),
191 g_signal_handlers_unblock_by_func (G_OBJECT (editor->priv->img_key_combo),
192 G_CALLBACK (gl_object_editor_changed_cb),
195 gl_debug (DEBUG_EDITOR, "END");
198 /*****************************************************************************/
200 /*****************************************************************************/
202 gl_object_editor_get_image (glObjectEditor *editor)
204 glTextNode *text_node;
206 gl_debug (DEBUG_EDITOR, "START");
208 text_node = g_new0(glTextNode,1);
210 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->img_file_radio))) {
211 text_node->field_flag = FALSE;
213 gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(editor->priv->img_file_button));
215 text_node->field_flag = TRUE;
217 gtk_combo_box_get_active_text (GTK_COMBO_BOX (editor->priv->img_key_combo));
220 gl_debug (DEBUG_EDITOR, "text_node: field_flag=%d, data=%s",
221 text_node->field_flag, text_node->data);
223 gl_debug (DEBUG_EDITOR, "END");
228 /*--------------------------------------------------------------------------*/
229 /* PRIVATE. Update preview image. */
230 /*--------------------------------------------------------------------------*/
232 update_preview_cb (GtkFileChooser *file_chooser, gpointer data)
237 gboolean have_preview;
239 preview = GTK_WIDGET (data);
240 filename = gtk_file_chooser_get_preview_filename (file_chooser);
243 pixbuf = gdk_pixbuf_new_from_file_at_size (filename, 128, 128, NULL);
244 have_preview = (pixbuf != NULL);
247 gtk_image_set_from_pixbuf (GTK_IMAGE (preview), pixbuf);
249 gdk_pixbuf_unref (pixbuf);
251 gtk_file_chooser_set_preview_widget_active (file_chooser,
254 gtk_file_chooser_set_preview_widget_active (file_chooser, FALSE);
258 /*--------------------------------------------------------------------------*/
259 /* PRIVATE. Add filters to file chooser. */
260 /* Based on eog's eog_file_selection_add_filter(). */
261 /*--------------------------------------------------------------------------*/
263 add_image_filters_to_chooser (GtkFileChooser *chooser)
265 GtkFileFilter *all_file_filter;
266 GtkFileFilter *all_img_filter;
269 GtkFileFilter *filter;
270 GSList *filters = NULL;
271 gchar **mime_types, **pattern, *tmp;
274 /* All Files Filter */
275 all_file_filter = gtk_file_filter_new ();
276 gtk_file_filter_set_name (all_file_filter, _("All Files"));
277 gtk_file_filter_add_pattern (all_file_filter, "*");
279 /* All Image Filter */
280 all_img_filter = gtk_file_filter_new ();
281 gtk_file_filter_set_name (all_img_filter, _("All Images"));
283 /* Individual image filters */
284 formats = gdk_pixbuf_get_formats ();
285 for (it = formats; it != NULL; it = it->next) {
287 GdkPixbufFormat *format;
288 filter = gtk_file_filter_new ();
290 format = (GdkPixbufFormat*) it->data;
292 /* Filter name: First description then file extension, eg. "The PNG-Format (*.png)".*/
293 filter_name = g_strdup_printf (_("%s (*.%s)"),
294 gdk_pixbuf_format_get_description (format),
295 gdk_pixbuf_format_get_name (format));
296 gtk_file_filter_set_name (filter, filter_name);
297 g_free (filter_name);
299 mime_types = gdk_pixbuf_format_get_mime_types ((GdkPixbufFormat *) it->data);
300 for (i = 0; mime_types[i] != NULL; i++) {
301 gtk_file_filter_add_mime_type (filter, mime_types[i]);
302 gtk_file_filter_add_mime_type (all_img_filter, mime_types[i]);
304 g_strfreev (mime_types);
306 pattern = gdk_pixbuf_format_get_extensions ((GdkPixbufFormat *) it->data);
307 for (i = 0; pattern[i] != NULL; i++) {
308 tmp = g_strconcat ("*.", pattern[i], NULL);
309 gtk_file_filter_add_pattern (filter, tmp);
310 gtk_file_filter_add_pattern (all_img_filter, tmp);
313 g_strfreev (pattern);
315 filters = g_slist_prepend (filters, filter);
317 g_slist_free (formats);
319 /* Add filter to filechooser */
320 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), all_file_filter);
321 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), all_img_filter);
322 gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser), all_img_filter);
324 for (it = filters; it != NULL; it = it->next) {
325 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser),
326 GTK_FILE_FILTER (it->data));
328 g_slist_free (filters);