1 /* Dia -- a diagram creation/manipulation program
2 * Copyright (C) 1998 Alexander Larsson
3 *
4 * filedlg.c: some dialogs for saving/loading/exporting files.
5 * Copyright (C) 1999 James Henstridge
6 *
7 * This program 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 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program 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.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 */
21
22 #include <config.h>
23
24 #include <sys/types.h>
25 #include <sys/stat.h>
26 #include <string.h>
27 #ifdef HAVE_UNISTD_H
28 #include <unistd.h>
29 #endif
30 #include <stdio.h>
31 #include <glib/gstdio.h>
32
33 #undef GTK_DISABLE_DEPRECATED /* gtk_file_chooser_dialog_new_with_backend */
34 #include <gtk/gtk.h>
35 #include "intl.h"
36 #include "filter.h"
37 #include "dia_dirs.h"
38 #include "persistence.h"
39 #include "display.h"
40 #include "message.h"
41 #include "layer_dialog.h"
42 #include "load_save.h"
43 #include "preferences.h"
44 #include "interface.h"
45 #include "recent_files.h"
46 #include "confirm.h"
47
48 #include "filedlg.h"
49
50 static GtkWidget *opendlg = NULL;
51 static GtkWidget *savedlg = NULL;
52 static GtkWidget *exportdlg = NULL;
53
54 static void
toggle_compress_callback(GtkWidget * widget)55 toggle_compress_callback(GtkWidget *widget)
56 {
57 /* Changes prefs exactly when the user toggles the setting, i.e.
58 * the setting really remembers what the user chose last time, but
59 * lets diagrams of the opposite kind stay that way unless the user
60 * intervenes.
61 */
62 prefs.new_diagram.compress_save =
63 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
64 }
65
66 /**
67 * Given an import filter index and optionally a filename for fallback
68 * return the import filter to use
69 */
70 static DiaImportFilter *
ifilter_by_index(int index,const char * filename)71 ifilter_by_index (int index, const char* filename)
72 {
73 DiaImportFilter *ifilter = NULL;
74
75 if (index >= 0)
76 ifilter = g_list_nth_data (filter_get_import_filters(), index);
77 else if (filename) /* fallback, should not happen */
78 ifilter = filter_guess_import_filter(filename);
79
80 return ifilter;
81 }
82
83 typedef void* (* FilterGuessFunc) (const gchar* filename);
84
85 /**
86 * Respond to the file chooser filter facility, that is match
87 * the extension of a given filename to the selected filter
88 */
89 static gboolean
matching_extensions_filter(const GtkFileFilterInfo * fi,gpointer data)90 matching_extensions_filter (const GtkFileFilterInfo* fi,
91 gpointer data)
92 {
93 FilterGuessFunc guess_func = (FilterGuessFunc)data;
94
95 g_assert (guess_func);
96
97 if (!fi->filename)
98 return 0; /* filter it, IMO should not happen --hb */
99
100 if (guess_func (fi->filename))
101 return 1;
102
103 return 0;
104 }
105
106 /**
107 * React on the diagram::removed signal by destroying the dialog
108 *
109 * This function isn't used cause it conflicts with the pattern introduced:
110 * instead of destroying the dialog with the diagram, the dialog is keeping
111 * a refernce to it. As a result we could access the diagram even when the
112 * display of it is gone ...
113 */
114 #if 0
115 static void
116 diagram_removed (Diagram* dia, GtkWidget* dialog)
117 {
118 g_return_if_fail (DIA_IS_DIAGRAM (dia));
119 g_return_if_fail (GTK_IS_WIDGET (dialog));
120
121 gtk_widget_destroy (dialog);
122 }
123 #endif
124
125 static GtkFileFilter *
build_gtk_file_filter_from_index(int index)126 build_gtk_file_filter_from_index (int index)
127 {
128 DiaImportFilter *ifilter = NULL;
129 GtkFileFilter *filter = NULL;
130
131 ifilter = g_list_nth_data (filter_get_import_filters(), index-1);
132 if (ifilter) {
133 GString *pattern = g_string_new ("*.");
134 int i = 0;
135
136 filter = gtk_file_filter_new ();
137
138 while (ifilter->extensions[i] != NULL) {
139 if (i != 0)
140 g_string_append (pattern, "|*.");
141 g_string_append (pattern, ifilter->extensions[i]);
142 ++i;
143 }
144 gtk_file_filter_set_name (filter, _("Supported Formats"));
145 gtk_file_filter_add_pattern (filter, pattern->str);
146
147 g_string_free (pattern, TRUE);
148
149 } else {
150 /* match the other selections extension */
151 filter = gtk_file_filter_new ();
152 gtk_file_filter_set_name (filter, _("Supported Formats"));
153 gtk_file_filter_add_custom (filter, GTK_FILE_FILTER_FILENAME,
154 matching_extensions_filter, filter_guess_import_filter, NULL);
155 }
156 return filter;
157 }
158
159 static void
import_adapt_extension_callback(GtkWidget * widget)160 import_adapt_extension_callback(GtkWidget *widget)
161 {
162 int index = gtk_combo_box_get_active (GTK_COMBO_BOX(widget));
163 GtkFileFilter *former = NULL;
164 GSList *list, *elem;
165
166 list = gtk_file_chooser_list_filters (GTK_FILE_CHOOSER (opendlg));
167 for (elem = list; elem != NULL; elem = g_slist_next (elem))
168 if (strcmp (_("Supported Formats"), gtk_file_filter_get_name (GTK_FILE_FILTER(elem->data))) == 0)
169 former = GTK_FILE_FILTER(elem->data);
170 g_slist_free (list);
171
172 if (former) {
173 /* replace the previous filter */
174 GtkFileFilter *filter = build_gtk_file_filter_from_index (index);
175 gtk_file_chooser_remove_filter (GTK_FILE_CHOOSER (opendlg), former);
176 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (opendlg), filter);
177 gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (opendlg), filter);
178 }
179 }
180
181 /**
182 * Create the combobox menu to select Import Filter options
183 */
184 static GtkWidget *
create_open_menu(void)185 create_open_menu(void)
186 {
187 GtkWidget *menu;
188 GList *tmp;
189
190
191 menu = gtk_combo_box_new_text ();
192 gtk_combo_box_append_text(GTK_COMBO_BOX(menu), _("By extension"));
193
194 for (tmp = filter_get_import_filters(); tmp != NULL; tmp = tmp->next) {
195 DiaImportFilter *ifilter = tmp->data;
196 gchar *filter_label;
197
198 if (!ifilter)
199 continue;
200 filter_label = filter_get_import_filter_label(ifilter);
201 gtk_combo_box_append_text (GTK_COMBO_BOX(menu), filter_label);
202 g_free(filter_label);
203 }
204 g_signal_connect(GTK_OBJECT(menu), "changed",
205 G_CALLBACK(import_adapt_extension_callback), NULL);
206 return menu;
207 }
208
209 /**
210 * Respond to the user finishing the Open Dialog either accept or cancel/destroy
211 */
212 static void
file_open_response_callback(GtkWidget * fs,gint response,gpointer user_data)213 file_open_response_callback(GtkWidget *fs,
214 gint response,
215 gpointer user_data)
216 {
217 char *filename;
218 Diagram *diagram = NULL;
219
220 if (response == GTK_RESPONSE_ACCEPT) {
221 gint index = gtk_combo_box_get_active (GTK_COMBO_BOX(user_data));
222
223 if (index >= 0) /* remember it */
224 persistence_set_integer ("import-filter", index);
225 filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(fs));
226
227 diagram = diagram_load(filename, ifilter_by_index (index - 1, filename));
228
229 g_free (filename);
230
231 if (diagram != NULL) {
232 diagram_update_extents(diagram);
233 layer_dialog_set_diagram(diagram);
234
235 if (diagram->displays == NULL) {
236 /* GSList *displays = diagram->displays;
237 GSList *displays_head = displays;
238 diagram->displays = NULL;
239 for (; displays != NULL; displays = g_slist_next(displays)) {
240 DDisplay *loaded_display = (DDisplay *)displays->data;
241 copy_display(loaded_display);
242 g_free(loaded_display);
243 }
244 g_slist_free(displays_head);
245 } else {
246 */
247 new_display(diagram);
248 }
249 }
250 }
251 gtk_widget_destroy(opendlg);
252 }
253
254 /**
255 * Handle menu click File/Open
256 *
257 * This is either with or without diagram
258 */
259 void
file_open_callback(gpointer data,guint action,GtkWidget * widget)260 file_open_callback(gpointer data, guint action, GtkWidget *widget)
261 {
262 if (!opendlg) {
263 DDisplay *ddisp;
264 Diagram *dia = NULL;
265 GtkWindow *parent_window;
266 gchar *filename = NULL;
267
268 /* FIXME: we should not use ddisp_active but instead get the current diagram
269 * from caller. Thus we could offer the option to "load into" if invoked by
270 * <Display/File/Open. It wouldn't make any sense if invoked by
271 * <Toolbox>/File/Open ...
272 */
273 ddisp = ddisplay_active();
274 if (ddisp) {
275 dia = ddisp->diagram;
276 parent_window = GTK_WINDOW(ddisp->shell);
277 } else {
278 parent_window = GTK_WINDOW(interface_get_toolbox_shell());
279 }
280 persistence_register_integer ("import-filter", 0);
281 opendlg = gtk_file_chooser_dialog_new_with_backend(_("Open Diagram"), parent_window,
282 GTK_FILE_CHOOSER_ACTION_OPEN,
283 "default", /* default, not gnome-vfs */
284 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
285 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
286 NULL);
287 gtk_dialog_set_default_response(GTK_DIALOG(opendlg), GTK_RESPONSE_ACCEPT);
288 gtk_window_set_role(GTK_WINDOW(opendlg), "open_diagram");
289 if (dia && dia->filename)
290 filename = g_filename_from_utf8(dia->filename, -1, NULL, NULL, NULL);
291 if (filename != NULL) {
292 char* fnabs = dia_get_absolute_filename (filename);
293 if (fnabs)
294 gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(opendlg), fnabs);
295 g_free(fnabs);
296 g_free(filename);
297 }
298 g_signal_connect(GTK_OBJECT(opendlg), "destroy",
299 G_CALLBACK(gtk_widget_destroyed), &opendlg);
300 } else {
301 gtk_widget_set_sensitive(opendlg, TRUE);
302 if (GTK_WIDGET_VISIBLE(opendlg))
303 return;
304 }
305 if (!gtk_file_chooser_get_extra_widget(GTK_FILE_CHOOSER(opendlg))) {
306 GtkWidget *hbox, *label, *omenu, *options;
307 GtkFileFilter* filter;
308
309 options = gtk_frame_new(_("Open Options"));
310 gtk_frame_set_shadow_type(GTK_FRAME(options), GTK_SHADOW_ETCHED_IN);
311
312 hbox = gtk_hbox_new(FALSE, 1);
313 gtk_container_set_border_width(GTK_CONTAINER(hbox), 5);
314 gtk_container_add(GTK_CONTAINER(options), hbox);
315 gtk_widget_show(hbox);
316
317 label = gtk_label_new (_("Determine file type:"));
318 gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
319 gtk_widget_show (label);
320
321 omenu = create_open_menu();
322 gtk_box_pack_start(GTK_BOX(hbox), omenu, TRUE, TRUE, 0);
323 gtk_widget_show(omenu);
324
325 gtk_file_chooser_set_extra_widget(GTK_FILE_CHOOSER(opendlg),
326 options);
327
328 gtk_widget_show(options);
329 g_signal_connect(GTK_OBJECT(opendlg), "response",
330 G_CALLBACK(file_open_response_callback), omenu);
331
332 /* set up the gtk file (name) filters */
333 /* 0 = by extension */
334 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (opendlg),
335 build_gtk_file_filter_from_index (0));
336 filter = gtk_file_filter_new ();
337 gtk_file_filter_set_name (filter, _("All Files"));
338 gtk_file_filter_add_pattern (filter, "*");
339 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (opendlg), filter);
340
341 gtk_combo_box_set_active (GTK_COMBO_BOX (omenu), persistence_get_integer ("import-filter"));
342 }
343
344 gtk_widget_show(opendlg);
345 }
346
347 /**
348 * Respond to a button press (also destroy) in the save as dialog.
349 */
350 static void
file_save_as_response_callback(GtkWidget * fs,gint response,gpointer user_data)351 file_save_as_response_callback(GtkWidget *fs,
352 gint response,
353 gpointer user_data)
354 {
355 char *filename;
356 Diagram *dia;
357 struct stat stat_struct;
358
359 if (response == GTK_RESPONSE_ACCEPT) {
360 dia = g_object_get_data (G_OBJECT(fs), "user_data");
361
362 filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(fs));
363 if (!filename) {
364 /* Not getting a filename looks like a contract violation in Gtk+ to me.
365 * Still Dia would be crashing (bug #651949) - instead simply go back to the dialog. */
366 gtk_window_present (GTK_WINDOW (fs));
367 return;
368 }
369
370 if (g_stat(filename, &stat_struct) == 0) {
371 GtkWidget *dialog = NULL;
372 char *utf8filename = NULL;
373 if (!g_utf8_validate(filename, -1, NULL)) {
374 utf8filename = g_filename_to_utf8(filename, -1, NULL, NULL, NULL);
375 if (utf8filename == NULL) {
376 message_warning(_("Some characters in the filename are neither UTF-8\n"
377 "nor your local encoding.\nSome things will break."));
378 }
379 }
380 if (utf8filename == NULL) utf8filename = g_strdup(filename);
381
382
383 dialog = gtk_message_dialog_new (GTK_WINDOW(fs),
384 GTK_DIALOG_MODAL, GTK_MESSAGE_QUESTION,
385 GTK_BUTTONS_YES_NO,
386 _("File already exists"));
387 gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
388 _("The file '%s' already exists.\n"
389 "Do you want to overwrite it?"), utf8filename);
390 g_free(utf8filename);
391 gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_YES);
392
393 if (gtk_dialog_run (GTK_DIALOG (dialog)) != GTK_RESPONSE_YES) {
394 /* don't hide/destroy the dialog, but simply go back to it */
395 gtk_window_present (GTK_WINDOW (fs));
396 gtk_widget_destroy(dialog);
397 g_free (filename);
398 return;
399 }
400 gtk_widget_destroy(dialog);
401 }
402
403 dia->data->is_compressed = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(user_data));
404
405 diagram_update_extents(dia);
406
407 diagram_set_filename(dia, filename);
408 if (diagram_save(dia, filename))
409 recent_file_history_add(filename);
410
411 g_free (filename);
412 }
413 /* if we have our own reference, drop it before destroy */
414 if ((dia = g_object_get_data (G_OBJECT(fs), "user_data")) != NULL) {
415 g_object_set_data (G_OBJECT(fs), "user_data", NULL);
416 g_object_unref (dia);
417 }
418 gtk_widget_destroy(GTK_WIDGET(fs));
419 }
420
421 /**
422 * Respond to the File/Save As.. menu
423 *
424 * We have only one file save dialog at a time. So if the dialog alread exists
425 * and the user tries to Save as once more only the diagram refernced will
426 * change. Maybe we should also indicate the refernced diagram in the dialog.
427 */
428 void
file_save_as_callback(gpointer data,guint action,GtkWidget * widget)429 file_save_as_callback(gpointer data, guint action, GtkWidget *widget)
430 {
431 DDisplay *ddisp;
432 Diagram *dia;
433 gchar *filename = NULL;
434
435 ddisp = ddisplay_active();
436 if (!ddisp) return;
437 dia = ddisp->diagram;
438
439 if (!savedlg) {
440 GtkWidget *compressbutton;
441
442 savedlg = gtk_file_chooser_dialog_new_with_backend(_("Save Diagram"),
443 GTK_WINDOW(ddisp->shell),
444 GTK_FILE_CHOOSER_ACTION_SAVE,
445 "gtk+", /* default, not gnome-vfs */
446 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
447 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
448 NULL);
449 gtk_dialog_set_default_response(GTK_DIALOG(savedlg), GTK_RESPONSE_ACCEPT);
450 gtk_window_set_role(GTK_WINDOW(savedlg), "save_diagram");
451 /* Need better way to make it a reasonable size. Isn't there some*/
452 /* standard look for them (or is that just Gnome?)*/
453 compressbutton = gtk_check_button_new_with_label(_("Compress diagram files"));
454 gtk_file_chooser_set_extra_widget(GTK_FILE_CHOOSER(savedlg),
455 compressbutton);
456 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compressbutton),
457 dia->data->is_compressed);
458 g_signal_connect(G_OBJECT(compressbutton), "toggled",
459 G_CALLBACK(toggle_compress_callback), NULL);
460 gtk_widget_show(compressbutton);
461 #if GTK_CHECK_VERSION (2,12,0)
462 gtk_widget_set_tooltip_text (compressbutton,
463 _("Compression reduces file size to less than 1/10th "
464 "size and speeds up loading and saving. Some text "
465 "programs cannot manipulate compressed files."));
466 #else
467 gtk_tooltips_set_tip(tool_tips, compressbutton,
468 _("Compression reduces file size to less than 1/10th "
469 "size and speeds up loading and saving. Some text "
470 "programs cannot manipulate compressed files."), NULL);
471 #endif
472 g_signal_connect (GTK_FILE_CHOOSER(savedlg),
473 "response", G_CALLBACK(file_save_as_response_callback), compressbutton);
474 g_signal_connect(GTK_OBJECT(savedlg), "destroy",
475 G_CALLBACK(gtk_widget_destroyed), &savedlg);
476 } else {
477 GtkWidget *compressbutton = gtk_file_chooser_get_extra_widget(GTK_FILE_CHOOSER(savedlg));
478 gtk_widget_set_sensitive(savedlg, TRUE);
479 g_signal_handlers_block_by_func(G_OBJECT(compressbutton), toggle_compress_callback, NULL);
480 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compressbutton),
481 dia->data->is_compressed);
482 g_signal_handlers_unblock_by_func(G_OBJECT(compressbutton), toggle_compress_callback, NULL);
483 if (g_object_get_data (G_OBJECT (savedlg), "user_data") != NULL)
484 g_object_unref (g_object_get_data (G_OBJECT (savedlg), "user_data"));
485 if (GTK_WIDGET_VISIBLE(savedlg)) {
486 /* keep a refernce to the diagram */
487 g_object_ref(dia);
488 g_object_set_data (G_OBJECT (savedlg), "user_data", dia);
489 gtk_window_present (GTK_WINDOW(savedlg));
490 return;
491 }
492 }
493 if (dia && dia->filename)
494 filename = g_filename_from_utf8(dia->filename, -1, NULL, NULL, NULL);
495 if (filename != NULL) {
496 char* fnabs = dia_get_absolute_filename (filename);
497 if (fnabs) {
498 gchar *base = g_path_get_basename(dia->filename);
499 gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(savedlg), fnabs);
500 /* FileChooser api insist on exiting files for set_filename */
501 /* ... and does not use filename encoding on this one. */
502 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(savedlg), base);
503 g_free(base);
504 }
505 g_free(fnabs);
506 g_free(filename);
507 }
508 g_object_ref(dia);
509 g_object_set_data (G_OBJECT (savedlg), "user_data", dia);
510
511 gtk_widget_show(savedlg);
512 }
513
514 /**
515 * Respond to the File/Save menu entry.
516 *
517 * Delegates to Save As if there is no filename set yet.
518 */
519 void
file_save_callback(gpointer data,guint action,GtkWidget * widget)520 file_save_callback(gpointer data, guint action, GtkWidget *widget)
521 {
522 Diagram *diagram;
523
524 diagram = ddisplay_active_diagram();
525 if (!diagram) return;
526
527 if (diagram->unsaved) {
528 file_save_as_callback(data, action, widget);
529 } else {
530 gchar *filename = g_filename_from_utf8(diagram->filename, -1, NULL, NULL, NULL);
531 diagram_update_extents(diagram);
532 if (diagram_save(diagram, filename))
533 recent_file_history_add(filename);
534 g_free (filename);
535 }
536 }
537
538 /**
539 * Given an export filter index return the export filter to use
540 */
541 static DiaExportFilter *
efilter_by_index(int index,const gchar ** ext)542 efilter_by_index (int index, const gchar** ext)
543 {
544 DiaExportFilter *efilter = NULL;
545
546 /* the index in the selection list *is* the index of the filter,
547 * filters supporing multiple formats are multiple times in the list */
548 if (index >= 0) {
549 efilter = g_list_nth_data (filter_get_export_filters(), index);
550 if (efilter) {
551 if (ext)
552 *ext = efilter->extensions[0];
553 return efilter;
554 }
555 else /* getting here means invalid index */
556 g_warning ("efilter_by_index() index=%d out of range", index);
557 }
558
559 return efilter;
560 }
561
562 /**
563 * Adapt the filename to the export filter index
564 */
565 static void
export_adapt_extension(const gchar * name,int index)566 export_adapt_extension (const gchar* name, int index)
567 {
568 const gchar* ext = NULL;
569 DiaExportFilter *efilter = efilter_by_index (index, &ext);
570 gchar *basename = g_path_get_basename (name);
571 gchar *utf8_name = NULL;
572
573 if (!efilter || !ext)
574 utf8_name = g_filename_to_utf8 (basename, -1, NULL, NULL, NULL);
575 else {
576 const gchar *last_dot = strrchr(basename, '.');
577 GString *s = g_string_new(basename);
578 if (last_dot)
579 g_string_truncate(s, last_dot-basename);
580 g_string_append(s, ".");
581 g_string_append(s, ext);
582 utf8_name = g_filename_to_utf8 (s->str, -1, NULL, NULL, NULL);
583 g_string_free (s, TRUE);
584 }
585 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(exportdlg), utf8_name);
586 g_free (utf8_name);
587 g_free (basename);
588 }
589 static void
export_adapt_extension_callback(GtkWidget * widget)590 export_adapt_extension_callback(GtkWidget *widget)
591 {
592 int index = gtk_combo_box_get_active (GTK_COMBO_BOX(widget));
593 gchar *name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(exportdlg));
594
595 if (name && index > 0) /* Ignore "By Extension" */
596 export_adapt_extension (name, index - 1);
597 g_free (name);
598 }
599
600 /**
601 * Create a new "option menu" for the export options
602 */
603 static GtkWidget *
create_export_menu(void)604 create_export_menu(void)
605 {
606 GtkWidget *menu;
607 GList *tmp;
608
609 menu = gtk_combo_box_new_text ();
610 gtk_combo_box_append_text(GTK_COMBO_BOX(menu), _("By extension"));
611
612 for (tmp = filter_get_export_filters(); tmp != NULL; tmp = tmp->next) {
613 DiaExportFilter *ef = tmp->data;
614 gchar *filter_label;
615
616 if (!ef)
617 continue;
618 filter_label = filter_get_export_filter_label(ef);
619 gtk_combo_box_append_text (GTK_COMBO_BOX(menu), filter_label);
620 g_free(filter_label);
621 }
622 g_signal_connect(GTK_OBJECT(menu), "changed",
623 G_CALLBACK(export_adapt_extension_callback), NULL);
624 return menu;
625 }
626
627 /**
628 * A button hit in the Export Dialog
629 */
630 static void
file_export_response_callback(GtkWidget * fs,gint response,gpointer user_data)631 file_export_response_callback(GtkWidget *fs,
632 gint response,
633 gpointer user_data)
634 {
635 char *filename;
636 Diagram *dia;
637 DiaExportFilter *ef;
638 struct stat statbuf;
639
640 dia = g_object_get_data (G_OBJECT (fs), "user_data");
641 g_assert (dia);
642
643 if (response == GTK_RESPONSE_ACCEPT) {
644 gint index;
645
646 diagram_update_extents(dia);
647
648 filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(fs));
649
650 if (g_stat(filename, &statbuf) == 0) {
651 GtkWidget *dialog = NULL;
652
653 dialog = gtk_message_dialog_new (GTK_WINDOW(fs),
654 GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
655 GTK_MESSAGE_QUESTION,
656 GTK_BUTTONS_YES_NO,
657 _("File already exists"));
658 gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
659 _("The file '%s' already exists.\n"
660 "Do you want to overwrite it?"), dia_message_filename(filename));
661 gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_YES);
662
663 if (gtk_dialog_run (GTK_DIALOG (dialog)) != GTK_RESPONSE_YES) {
664 /* if not overwrite allow to select another filename */
665 gtk_widget_destroy(dialog);
666 g_free (filename);
667 return;
668 }
669 gtk_widget_destroy(dialog);
670 }
671
672 index = gtk_combo_box_get_active (GTK_COMBO_BOX(user_data));
673 if (index >= 0)
674 persistence_set_integer ("export-filter", index);
675 ef = efilter_by_index (index - 1, NULL);
676 if (!ef)
677 ef = filter_guess_export_filter(filename);
678 if (ef) {
679 g_object_ref(dia->data);
680 ef->export_func(dia->data, filename, dia->filename, ef->user_data);
681 g_object_unref(dia->data);
682 } else
683 message_error(_("Could not determine which export filter\n"
684 "to use to save '%s'"), dia_message_filename(filename));
685 g_free (filename);
686 }
687 g_object_unref (dia); /* drop our diagram reference */
688 gtk_widget_destroy(exportdlg);
689 }
690
691 /**
692 * React to <Display>/File/Export
693 */
694 void
file_export_callback(gpointer data,guint action,GtkWidget * widget)695 file_export_callback(gpointer data, guint action, GtkWidget *widget)
696 {
697 DDisplay *ddisp;
698 Diagram *dia;
699 gchar *filename = NULL;
700
701 ddisp = ddisplay_active();
702 if (!ddisp) return;
703 dia = ddisp->diagram;
704
705 if (!confirm_export_size (dia, GTK_WINDOW(ddisp->shell), CONFIRM_MEMORY|CONFIRM_PAGES))
706 return;
707
708 if (!exportdlg) {
709 persistence_register_integer ("export-filter", 0);
710 exportdlg = gtk_file_chooser_dialog_new_with_backend(_("Export Diagram"),
711 GTK_WINDOW(ddisp->shell),
712 GTK_FILE_CHOOSER_ACTION_SAVE,
713 "gtk+", /* default, not gnome-vfs */
714 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
715 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
716 NULL);
717 gtk_dialog_set_default_response(GTK_DIALOG(exportdlg), GTK_RESPONSE_ACCEPT);
718 gtk_window_set_role(GTK_WINDOW(exportdlg), "export_diagram");
719 g_signal_connect(GTK_OBJECT(exportdlg), "destroy",
720 G_CALLBACK(gtk_widget_destroyed), &exportdlg);
721 }
722 if (!gtk_file_chooser_get_extra_widget(GTK_FILE_CHOOSER(exportdlg))) {
723 GtkWidget *hbox, *label, *omenu, *options;
724 GtkFileFilter* filter;
725
726 options = gtk_frame_new(_("Export Options"));
727 gtk_frame_set_shadow_type(GTK_FRAME(options), GTK_SHADOW_ETCHED_IN);
728
729 hbox = gtk_hbox_new(FALSE, 1);
730 gtk_container_set_border_width(GTK_CONTAINER(hbox), 5);
731 gtk_container_add(GTK_CONTAINER(options), hbox);
732 gtk_widget_show(hbox);
733
734 label = gtk_label_new (_("Determine file type:"));
735 gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
736 gtk_widget_show (label);
737
738 omenu = create_export_menu();
739 gtk_box_pack_start(GTK_BOX(hbox), omenu, TRUE, TRUE, 0);
740 gtk_widget_show(omenu);
741 g_object_set_data(G_OBJECT(exportdlg), "export-menu", omenu);
742
743 gtk_widget_show(options);
744 gtk_file_chooser_set_extra_widget(GTK_FILE_CHOOSER(exportdlg), options);
745 /* set up file filters */
746 filter = gtk_file_filter_new ();
747 gtk_file_filter_set_name (filter, _("All Files"));
748 gtk_file_filter_add_pattern (filter, "*");
749 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (exportdlg), filter);
750 /* match the other selections extension */
751 filter = gtk_file_filter_new ();
752 gtk_file_filter_set_name (filter, _("Supported Formats"));
753 gtk_file_filter_add_custom (filter, GTK_FILE_FILTER_FILENAME,
754 matching_extensions_filter, filter_guess_export_filter, NULL);
755 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (exportdlg), filter);
756
757 gtk_combo_box_set_active (GTK_COMBO_BOX (omenu), persistence_get_integer ("export-filter"));
758
759 g_signal_connect(GTK_FILE_CHOOSER(exportdlg),
760 "response", G_CALLBACK(file_export_response_callback), omenu);
761 }
762 if (g_object_get_data (G_OBJECT(exportdlg), "user_data"))
763 g_object_unref (g_object_get_data (G_OBJECT(exportdlg), "user_data"));
764 g_object_ref(dia);
765 g_object_set_data (G_OBJECT (exportdlg), "user_data", dia);
766 gtk_widget_set_sensitive(exportdlg, TRUE);
767
768 if (dia && dia->filename)
769 filename = g_filename_from_utf8(dia->filename, -1, NULL, NULL, NULL);
770 if (filename != NULL) {
771 char* fnabs = dia_get_absolute_filename (filename);
772 if (fnabs) {
773 char *folder = g_path_get_dirname (fnabs);
774 char *basename = g_path_get_basename (fnabs);
775 /* can't use gtk_file_chooser_set_filename for various reasons, see e.g. bug #305850 */
776 gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER(exportdlg), folder);
777 export_adapt_extension (basename, persistence_get_integer ("export-filter") - 1);
778 g_free (folder);
779 g_free (basename);
780 }
781 g_free(fnabs);
782 g_free(filename);
783 }
784
785 gtk_widget_show(exportdlg);
786 }
787