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/gtkeditable.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,
87 editor->priv->img_key_entry = glade_xml_get_widget (editor->priv->gui,
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_entry),
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)
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_entry),
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 gtk_editable_delete_text (GTK_EDITABLE (editor->priv->img_key_entry), 0, -1);
188 gtk_editable_insert_text (GTK_EDITABLE (editor->priv->img_key_entry),
190 strlen (text_node->data),
194 g_signal_handlers_unblock_by_func (G_OBJECT (editor->priv->img_file_button),
195 G_CALLBACK (gl_object_editor_changed_cb),
197 g_signal_handlers_unblock_by_func (G_OBJECT (editor->priv->img_key_entry),
198 G_CALLBACK (gl_object_editor_changed_cb),
201 gl_debug (DEBUG_EDITOR, "END");
204 /*****************************************************************************/
206 /*****************************************************************************/
208 gl_object_editor_get_image (glObjectEditor *editor)
210 glTextNode *text_node;
212 gl_debug (DEBUG_EDITOR, "START");
214 text_node = g_new0(glTextNode,1);
216 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->img_file_radio))) {
217 text_node->field_flag = FALSE;
219 gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(editor->priv->img_file_button));
221 text_node->field_flag = TRUE;
223 gtk_editable_get_chars (GTK_EDITABLE (editor->priv->img_key_entry),
227 gl_debug (DEBUG_EDITOR, "text_node: field_flag=%d, data=%s",
228 text_node->field_flag, text_node->data);
230 gl_debug (DEBUG_EDITOR, "END");
235 /*--------------------------------------------------------------------------*/
236 /* PRIVATE. Update preview image. */
237 /*--------------------------------------------------------------------------*/
239 update_preview_cb (GtkFileChooser *file_chooser, gpointer data)
244 gboolean have_preview;
246 preview = GTK_WIDGET (data);
247 filename = gtk_file_chooser_get_preview_filename (file_chooser);
250 pixbuf = gdk_pixbuf_new_from_file_at_size (filename, 128, 128, NULL);
251 have_preview = (pixbuf != NULL);
254 gtk_image_set_from_pixbuf (GTK_IMAGE (preview), pixbuf);
256 gdk_pixbuf_unref (pixbuf);
258 gtk_file_chooser_set_preview_widget_active (file_chooser,
261 gtk_file_chooser_set_preview_widget_active (file_chooser, FALSE);
265 /*--------------------------------------------------------------------------*/
266 /* PRIVATE. Add filters to file chooser. */
267 /* Based on eog's eog_file_selection_add_filter(). */
268 /*--------------------------------------------------------------------------*/
270 add_image_filters_to_chooser (GtkFileChooser *chooser)
272 GtkFileFilter *all_file_filter;
273 GtkFileFilter *all_img_filter;
276 GtkFileFilter *filter;
277 GSList *filters = NULL;
278 gchar **mime_types, **pattern, *tmp;
281 /* All Files Filter */
282 all_file_filter = gtk_file_filter_new ();
283 gtk_file_filter_set_name (all_file_filter, _("All Files"));
284 gtk_file_filter_add_pattern (all_file_filter, "*");
286 /* All Image Filter */
287 all_img_filter = gtk_file_filter_new ();
288 gtk_file_filter_set_name (all_img_filter, _("All Images"));
290 /* Individual image filters */
291 formats = gdk_pixbuf_get_formats ();
292 for (it = formats; it != NULL; it = it->next) {
294 GdkPixbufFormat *format;
295 filter = gtk_file_filter_new ();
297 format = (GdkPixbufFormat*) it->data;
299 /* Filter name: First description then file extension, eg. "The PNG-Format (*.png)".*/
300 filter_name = g_strdup_printf (_("%s (*.%s)"),
301 gdk_pixbuf_format_get_description (format),
302 gdk_pixbuf_format_get_name (format));
303 gtk_file_filter_set_name (filter, filter_name);
304 g_free (filter_name);
306 mime_types = gdk_pixbuf_format_get_mime_types ((GdkPixbufFormat *) it->data);
307 for (i = 0; mime_types[i] != NULL; i++) {
308 gtk_file_filter_add_mime_type (filter, mime_types[i]);
309 gtk_file_filter_add_mime_type (all_img_filter, mime_types[i]);
311 g_strfreev (mime_types);
313 pattern = gdk_pixbuf_format_get_extensions ((GdkPixbufFormat *) it->data);
314 for (i = 0; pattern[i] != NULL; i++) {
315 tmp = g_strconcat ("*.", pattern[i], NULL);
316 gtk_file_filter_add_pattern (filter, tmp);
317 gtk_file_filter_add_pattern (all_img_filter, tmp);
320 g_strfreev (pattern);
322 filters = g_slist_prepend (filters, filter);
324 g_slist_free (formats);
326 /* Add filter to filechooser */
327 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), all_file_filter);
328 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), all_img_filter);
329 gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser), all_img_filter);
331 for (it = filters; it != NULL; it = it->next) {
332 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser),
333 GTK_FILE_FILTER (it->data));
335 g_slist_free (filters);