2 * object-editor-image-page.c
3 * Copyright (C) 2003-2009 Jim Evins <evins@snaught.com>.
5 * This file is part of gLabels.
7 * gLabels is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * gLabels is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with gLabels. If not, see <http://www.gnu.org/licenses/>.
23 #include "object-editor.h"
25 #include <glib/gi18n.h>
30 #include "combo-util.h"
31 #include "builder-util.h"
33 #include "object-editor-private.h"
38 /*===========================================*/
40 /*===========================================*/
43 /*===========================================*/
44 /* Private data types */
45 /*===========================================*/
48 /*===========================================*/
50 /*===========================================*/
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);
63 static void img_selection_changed_cb (glObjectEditor *editor);
66 /*--------------------------------------------------------------------------*/
67 /* PRIVATE. Prepare image page. */
68 /*--------------------------------------------------------------------------*/
70 gl_object_editor_prepare_image_page (glObjectEditor *editor)
75 gl_debug (DEBUG_EDITOR, "START");
77 /* Extract widgets from XML tree. */
78 gl_builder_util_get_widgets (editor->priv->builder,
79 "img_page_vbox", &editor->priv->img_page_vbox,
80 "img_file_radio", &editor->priv->img_file_radio,
81 "img_key_radio", &editor->priv->img_key_radio,
82 "img_file_button", &editor->priv->img_file_button,
83 "img_key_combo", &editor->priv->img_key_combo,
86 gl_combo_util_add_text_model ( GTK_COMBO_BOX(editor->priv->img_key_combo));
88 /* Modify file button properties. */
89 add_image_filters_to_chooser (GTK_FILE_CHOOSER (editor->priv->img_file_button));
90 preview = gtk_image_new ();
91 gtk_file_chooser_set_preview_widget (GTK_FILE_CHOOSER (editor->priv->img_file_button), preview);
92 g_signal_connect (G_OBJECT (editor->priv->img_file_button),
94 G_CALLBACK (update_preview_cb), preview);
97 gtk_widget_show_all (editor->priv->img_page_vbox);
100 g_signal_connect_swapped (G_OBJECT (editor->priv->img_file_button),
102 G_CALLBACK (img_selection_changed_cb),
104 g_signal_connect_swapped (G_OBJECT (editor->priv->img_key_combo),
106 G_CALLBACK (gl_object_editor_changed_cb),
108 g_signal_connect_swapped (G_OBJECT (editor->priv->img_file_radio),
110 G_CALLBACK (img_radio_toggled_cb),
112 g_signal_connect_swapped (G_OBJECT (editor->priv->img_key_radio),
114 G_CALLBACK (img_radio_toggled_cb),
117 gl_debug (DEBUG_EDITOR, "END");
121 /*--------------------------------------------------------------------------*/
122 /* PRIVATE. image radio callback. */
123 /*--------------------------------------------------------------------------*/
125 img_radio_toggled_cb (glObjectEditor *editor)
127 if (editor->priv->stop_signals) return;
129 gl_debug (DEBUG_WDGT, "START");
131 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->img_file_radio))) {
132 gtk_widget_set_sensitive (editor->priv->img_file_button, TRUE);
133 gtk_widget_set_sensitive (editor->priv->img_key_combo, FALSE);
135 gtk_widget_set_sensitive (editor->priv->img_file_button, FALSE);
136 gtk_widget_set_sensitive (editor->priv->img_key_combo, TRUE);
139 /* Emit our "changed" signal */
140 g_signal_emit (G_OBJECT (editor), gl_object_editor_signals[CHANGED], 0);
142 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 editor->priv->stop_signals = TRUE;
158 gtk_widget_set_sensitive (editor->priv->img_key_radio, merge_flag);
160 if (!text_node->field_flag || !merge_flag) {
162 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
163 (editor->priv->img_file_radio), TRUE);
164 gtk_widget_set_sensitive (editor->priv->img_file_button, TRUE);
165 gtk_widget_set_sensitive (editor->priv->img_key_combo, FALSE);
167 if (text_node->data != NULL ) {
168 gtk_file_chooser_set_filename (GTK_FILE_CHOOSER(editor->priv->img_file_button),
171 gtk_file_chooser_unselect_all (GTK_FILE_CHOOSER(editor->priv->img_file_button));
175 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
176 (editor->priv->img_key_radio), TRUE);
178 gtk_widget_set_sensitive (editor->priv->img_file_button, FALSE);
179 gtk_widget_set_sensitive (editor->priv->img_key_combo, TRUE);
181 gl_combo_util_set_active_text (GTK_COMBO_BOX (editor->priv->img_key_combo),
185 editor->priv->stop_signals = FALSE;
187 gl_debug (DEBUG_EDITOR, "END");
191 /*****************************************************************************/
193 /*****************************************************************************/
195 gl_object_editor_get_image (glObjectEditor *editor)
197 glTextNode *text_node;
199 gl_debug (DEBUG_EDITOR, "START");
201 text_node = g_new0(glTextNode,1);
203 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->img_file_radio))) {
204 text_node->field_flag = FALSE;
206 gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(editor->priv->img_file_button));
208 text_node->field_flag = TRUE;
210 gtk_combo_box_get_active_text (GTK_COMBO_BOX (editor->priv->img_key_combo));
213 gl_debug (DEBUG_EDITOR, "text_node: field_flag=%d, data=%s",
214 text_node->field_flag, text_node->data);
216 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);
242 g_object_unref (G_OBJECT (pixbuf));
244 gtk_file_chooser_set_preview_widget_active (file_chooser,
247 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);
329 /*--------------------------------------------------------------------------*/
330 /* PRIVATE. Selection changed callback. */
331 /*--------------------------------------------------------------------------*/
333 img_selection_changed_cb (glObjectEditor *editor)
337 if (editor->priv->stop_signals) return;
339 gl_debug (DEBUG_EDITOR, "START");
341 filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(editor->priv->img_file_button));
342 if (filename != NULL)
344 /* Emit our "changed" signal */
345 g_signal_emit (G_OBJECT (editor), gl_object_editor_signals[CHANGED], 0);
349 gl_debug (DEBUG_EDITOR, "END");
355 * Local Variables: -- emacs
357 * c-basic-offset: 8 -- emacs
358 * tab-width: 8 -- emacs
359 * indent-tabs-mode: nil -- emacs