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>
38 #include "object-editor-private.h"
42 /*===========================================*/
44 /*===========================================*/
46 /*===========================================*/
47 /* Private data types */
48 /*===========================================*/
50 /*===========================================*/
52 /*===========================================*/
54 /*===========================================*/
55 /* Local function prototypes */
56 /*===========================================*/
58 static void img_radio_toggled_cb (glObjectEditor *editor);
60 static void update_preview_cb (GtkFileChooser *file_chooser,
62 static void add_image_filters_to_chooser (GtkFileChooser *file_chooser);
64 static void img_selection_changed_cb (glObjectEditor *editor);
67 /*--------------------------------------------------------------------------*/
68 /* PRIVATE. Prepare image page. */
69 /*--------------------------------------------------------------------------*/
71 gl_object_editor_prepare_image_page (glObjectEditor *editor)
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 (img_selection_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 if (editor->priv->stop_signals) return;
132 gl_debug (DEBUG_WDGT, "START");
134 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->img_file_radio))) {
135 gtk_widget_set_sensitive (editor->priv->img_file_button, TRUE);
136 gtk_widget_set_sensitive (editor->priv->img_key_combo, FALSE);
138 gtk_widget_set_sensitive (editor->priv->img_file_button, FALSE);
139 gtk_widget_set_sensitive (editor->priv->img_key_combo, TRUE);
142 /* Emit our "changed" signal */
143 g_signal_emit (G_OBJECT (editor), gl_object_editor_signals[CHANGED], 0);
145 gl_debug (DEBUG_WDGT, "END");
148 /*****************************************************************************/
150 /*****************************************************************************/
152 gl_object_editor_set_image (glObjectEditor *editor,
154 glTextNode *text_node)
156 gl_debug (DEBUG_EDITOR, "START");
158 editor->priv->stop_signals = TRUE;
160 gtk_widget_set_sensitive (editor->priv->img_key_radio, merge_flag);
162 if (!text_node->field_flag) {
164 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
165 (editor->priv->img_file_radio), TRUE);
166 gtk_widget_set_sensitive (editor->priv->img_file_button, TRUE);
167 gtk_widget_set_sensitive (editor->priv->img_key_combo, FALSE);
169 if (text_node->data != NULL ) {
170 gtk_file_chooser_set_filename (GTK_FILE_CHOOSER(editor->priv->img_file_button),
173 gtk_file_chooser_unselect_all (GTK_FILE_CHOOSER(editor->priv->img_file_button));
177 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
178 (editor->priv->img_key_radio), TRUE);
180 gtk_widget_set_sensitive (editor->priv->img_file_button, FALSE);
181 gtk_widget_set_sensitive (editor->priv->img_key_combo, TRUE);
183 gl_util_combo_box_set_active_text (GTK_COMBO_BOX (editor->priv->img_key_combo),
187 editor->priv->stop_signals = FALSE;
189 gl_debug (DEBUG_EDITOR, "END");
192 /*****************************************************************************/
194 /*****************************************************************************/
196 gl_object_editor_get_image (glObjectEditor *editor)
198 glTextNode *text_node;
200 gl_debug (DEBUG_EDITOR, "START");
202 text_node = g_new0(glTextNode,1);
204 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->img_file_radio))) {
205 text_node->field_flag = FALSE;
207 gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(editor->priv->img_file_button));
209 text_node->field_flag = TRUE;
211 gtk_combo_box_get_active_text (GTK_COMBO_BOX (editor->priv->img_key_combo));
214 gl_debug (DEBUG_EDITOR, "text_node: field_flag=%d, data=%s",
215 text_node->field_flag, text_node->data);
217 gl_debug (DEBUG_EDITOR, "END");
222 /*--------------------------------------------------------------------------*/
223 /* PRIVATE. Update preview image. */
224 /*--------------------------------------------------------------------------*/
226 update_preview_cb (GtkFileChooser *file_chooser, gpointer data)
231 gboolean have_preview;
233 preview = GTK_WIDGET (data);
234 filename = gtk_file_chooser_get_preview_filename (file_chooser);
237 pixbuf = gdk_pixbuf_new_from_file_at_size (filename, 128, 128, NULL);
238 have_preview = (pixbuf != NULL);
241 gtk_image_set_from_pixbuf (GTK_IMAGE (preview), pixbuf);
243 gdk_pixbuf_unref (pixbuf);
245 gtk_file_chooser_set_preview_widget_active (file_chooser,
248 gtk_file_chooser_set_preview_widget_active (file_chooser, FALSE);
252 /*--------------------------------------------------------------------------*/
253 /* PRIVATE. Add filters to file chooser. */
254 /* Based on eog's eog_file_selection_add_filter(). */
255 /*--------------------------------------------------------------------------*/
257 add_image_filters_to_chooser (GtkFileChooser *chooser)
259 GtkFileFilter *all_file_filter;
260 GtkFileFilter *all_img_filter;
263 GtkFileFilter *filter;
264 GSList *filters = NULL;
265 gchar **mime_types, **pattern, *tmp;
268 /* All Files Filter */
269 all_file_filter = gtk_file_filter_new ();
270 gtk_file_filter_set_name (all_file_filter, _("All Files"));
271 gtk_file_filter_add_pattern (all_file_filter, "*");
273 /* All Image Filter */
274 all_img_filter = gtk_file_filter_new ();
275 gtk_file_filter_set_name (all_img_filter, _("All Images"));
277 /* Individual image filters */
278 formats = gdk_pixbuf_get_formats ();
279 for (it = formats; it != NULL; it = it->next) {
281 GdkPixbufFormat *format;
282 filter = gtk_file_filter_new ();
283 gchar *description, *name;
285 format = (GdkPixbufFormat*) it->data;
287 /* Filter name: First description then file extension, eg. "The PNG-Format (*.png)".*/
288 description = gdk_pixbuf_format_get_description (format);
289 name = gdk_pixbuf_format_get_name (format);
290 filter_name = g_strdup_printf (_("%s (*.%s)"), description, name);
291 g_free (description);
293 gtk_file_filter_set_name (filter, filter_name);
294 g_free (filter_name);
296 mime_types = gdk_pixbuf_format_get_mime_types ((GdkPixbufFormat *) it->data);
297 for (i = 0; mime_types[i] != NULL; i++) {
298 gtk_file_filter_add_mime_type (filter, mime_types[i]);
299 gtk_file_filter_add_mime_type (all_img_filter, mime_types[i]);
301 g_strfreev (mime_types);
303 pattern = gdk_pixbuf_format_get_extensions ((GdkPixbufFormat *) it->data);
304 for (i = 0; pattern[i] != NULL; i++) {
305 tmp = g_strconcat ("*.", pattern[i], NULL);
306 gtk_file_filter_add_pattern (filter, tmp);
307 gtk_file_filter_add_pattern (all_img_filter, tmp);
310 g_strfreev (pattern);
312 filters = g_slist_prepend (filters, filter);
314 g_slist_free (formats);
316 /* Add filter to filechooser */
317 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), all_file_filter);
318 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), all_img_filter);
319 gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser), all_img_filter);
321 for (it = filters; it != NULL; it = it->next) {
322 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser),
323 GTK_FILE_FILTER (it->data));
325 g_slist_free (filters);
328 /*--------------------------------------------------------------------------*/
329 /* PRIVATE. Selection changed callback. */
330 /*--------------------------------------------------------------------------*/
332 img_selection_changed_cb (glObjectEditor *editor)
336 if (editor->priv->stop_signals) return;
338 gl_debug (DEBUG_EDITOR, "START");
340 filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(editor->priv->img_file_button));
341 if (filename != NULL)
343 /* Emit our "changed" signal */
344 g_signal_emit (G_OBJECT (editor), gl_object_editor_signals[CHANGED], 0);
348 gl_debug (DEBUG_EDITOR, "END");