aboutsummaryrefslogtreecommitdiffstats
path: root/gtk/dlg_utils.c
blob: 6af8bd0fbbef2924683760881a243f88ea8d663f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
/* dlg_utils.c
 * Utilities to use when constructing dialogs
 *
 * $Id$
 *
 * Ethereal - Network traffic analyzer
 * By Gerald Combs <gerald@ethereal.com>
 * Copyright 1998 Gerald Combs
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>

#include <epan/filesystem.h>

#include "globals.h"

#include "gtkglobals.h"
#include "gui_utils.h"
#include "dlg_utils.h"
#include "keys.h"
#include "compat_macros.h"
#include "main.h"

#include <string.h>
#include <stdio.h>
#include <stdarg.h>


/* Keys ... */
#define E_FS_CALLER_PTR_KEY       "fs_caller_ptr"

static gchar *last_open_dir = NULL;
static gboolean updated_last_open_dir = FALSE;


static void
dlg_activate (GtkWidget *widget, gpointer ok_button);

#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION < 4) || GTK_MAJOR_VERSION < 2
static void file_selection_browse_ok_cb(GtkWidget *w, gpointer data);
#endif
static void file_selection_browse_destroy_cb(GtkWidget *win, GtkWidget* file_te);


/* create a button for the button row (helper for dlg_button_row_new) */
static GtkWidget *
dlg_button_new(GtkWidget *hbox, GtkWidget *button_hbox, const gchar *stock_id)
{
    GtkWidget *button;

    button = BUTTON_NEW_FROM_STOCK(stock_id);
    GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
    OBJECT_SET_DATA(hbox, stock_id, button);
    gtk_box_pack_end(GTK_BOX(button_hbox), button, FALSE, FALSE, 0);
    gtk_widget_show(button);
    return button;
}


/* create a button row for a dialog */

/* The purpose of this is, to have one place available, where all button rows 
 * from all dialogs are laid out. This will:
 *
 * a.) keep the button layout more consistent over the different dialogs
 * b.) being able to switch between different button layouts, e.g.:
 *     GTK1 (e.g. win32) "OK" "Apply" "Cancel"
 *     GTK2 (e.g. GNOME) "Apply" "Cancel" "OK"
 */
GtkWidget *
dlg_button_row_new(const gchar *stock_id_first, ...)
{
    gint        buttons = 0;
    va_list     stock_id_list;
    const gchar *stock_id = stock_id_first;
    GtkWidget   *hbox;
    GtkWidget   *button_hbox;
    GtkWidget   *help_hbox;
    GtkWidget   *button;

    const gchar *ok           = NULL;
    const gchar *apply        = NULL;
    const gchar *save         = NULL;
    const gchar *dont_save    = NULL;
    const gchar *cancel       = NULL;
    const gchar *close        = NULL;
    const gchar *clear        = NULL;
    const gchar *start        = NULL;
    const gchar *stop         = NULL;
    const gchar *create_stat  = NULL;
    const gchar *help         = NULL;
    const gchar *print        = NULL;
    const gchar *find         = NULL;
    const gchar *jump         = NULL;
    const gchar *yes          = NULL;
    const gchar *no           = NULL;


    va_start(stock_id_list, stock_id_first);

    /* get all buttons needed */
    while(stock_id != NULL) {
        if (strcmp(stock_id, GTK_STOCK_OK) == 0) {
            ok = stock_id;
        } else if (strcmp(stock_id, ETHEREAL_STOCK_CREATE_STAT) == 0) {
            create_stat = stock_id;
        } else if (strcmp(stock_id, GTK_STOCK_APPLY) == 0) {
            apply = stock_id;
        } else if (strcmp(stock_id, GTK_STOCK_SAVE) == 0) {
            save = stock_id;
        } else if (strcmp(stock_id, ETHEREAL_STOCK_DONT_SAVE) == 0) {
        	dont_save = stock_id;  
        } else if (strcmp(stock_id, GTK_STOCK_CANCEL) == 0) {
            cancel = stock_id;
        } else if (strcmp(stock_id, GTK_STOCK_CLOSE) == 0) {
            close = stock_id;
        } else if (strcmp(stock_id, GTK_STOCK_CLEAR) == 0) {
            clear = stock_id;
#ifdef HAVE_LIBPCAP
        } else if (strcmp(stock_id, ETHEREAL_STOCK_CAPTURE_START) == 0) {
            start = stock_id;
#endif /* HAVE_LIBPCAP */
        } else if (strcmp(stock_id, GTK_STOCK_STOP) == 0) {
            stop = stock_id;
        } else if (strcmp(stock_id, GTK_STOCK_HELP) == 0) {
            help = stock_id;
        } else if (strcmp(stock_id, GTK_STOCK_PRINT) == 0) {
            print = stock_id;
        } else if (strcmp(stock_id, GTK_STOCK_FIND) == 0) {
            find = stock_id;
        } else if (strcmp(stock_id, GTK_STOCK_JUMP_TO) == 0) {
            jump = stock_id;
        } else if (strcmp(stock_id, GTK_STOCK_YES) == 0) {
            yes = stock_id;
        } else if (strcmp(stock_id, GTK_STOCK_NO) == 0) {
            no = stock_id;
        } else if (strcmp(stock_id, ETHEREAL_STOCK_FILTER_OUT_STREAM) == 0) {
            start = stock_id;
        } else {
            /* we don't know that button! */
            g_assert_not_reached();
        }
        buttons++;
        stock_id = va_arg(stock_id_list, gchar *);
    }
    va_end(stock_id_list);

    hbox = gtk_hbox_new(FALSE, 0);
    gtk_widget_show(hbox);

    button_hbox = gtk_hbutton_box_new();
    gtk_box_pack_end(GTK_BOX(hbox), button_hbox, TRUE, TRUE, 0);
    gtk_widget_show(button_hbox);

    help_hbox = gtk_hbutton_box_new();
    gtk_box_pack_end(GTK_BOX(hbox), help_hbox, FALSE, FALSE, 0);
    gtk_widget_show(help_hbox);

    if (buttons == 0) {
        /* if no buttons wanted, simply do nothing */
        return hbox;
    }

    if (buttons == 1) {
        /* if only one button, simply put it in the middle (default) */
        dlg_button_new(hbox, button_hbox, stock_id_first);
        return hbox;
    }

    /* do we have a help button? -> special handling for it */
    if (help) {
        button = BUTTON_NEW_FROM_STOCK(help);
        GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
        OBJECT_SET_DATA(hbox, help, button);
        gtk_box_pack_start(GTK_BOX(help_hbox), button, FALSE, FALSE, 0);
        gtk_widget_show(button);
        buttons--;
    }

    /* if more than one button, sort buttons from left to right */
    /* (the whole button cluster will then be right aligned) */
    gtk_button_box_set_layout (GTK_BUTTON_BOX(button_hbox), GTK_BUTTONBOX_END);
    gtk_button_box_set_spacing(GTK_BUTTON_BOX(button_hbox), 5);

/* GTK+ 1.3 and later - on Win32, we use 1.3[.x] or 2.x, not 1.2[.x] */
#if !defined(_WIN32) && GTK_MAJOR_VERSION >= 2
    /* beware: sequence of buttons are important! */

    /* XXX: this can be implemented more elegant of course, but it works as it should */
    if (buttons == 2) {
        if (ok && cancel) {
            dlg_button_new(hbox, button_hbox, cancel);
            dlg_button_new(hbox, button_hbox, ok);
            return hbox;
        }
        if (print && cancel) {
            dlg_button_new(hbox, button_hbox, cancel);
            dlg_button_new(hbox, button_hbox, print);
            return hbox;
        }
        if (find && cancel) {
            dlg_button_new(hbox, button_hbox, cancel);
            dlg_button_new(hbox, button_hbox, find);
            return hbox;
        }
        if (jump && cancel) {
            dlg_button_new(hbox, button_hbox, cancel);
            dlg_button_new(hbox, button_hbox, jump);
            return hbox;
        }
        if (save && cancel) {
            dlg_button_new(hbox, button_hbox, cancel);
            dlg_button_new(hbox, button_hbox, save);
            return hbox;
        }
        if (ok && clear) {
            dlg_button_new(hbox, button_hbox, clear);
            dlg_button_new(hbox, button_hbox, ok);
            return hbox;
        }
        if (save && close) {
            dlg_button_new(hbox, button_hbox, close);
            dlg_button_new(hbox, button_hbox, save);
            return hbox;
        }
        if (create_stat && cancel) {
            dlg_button_new(hbox, button_hbox, cancel);
            dlg_button_new(hbox, button_hbox, create_stat);
            return hbox;
        }
        if (start && cancel) {
            dlg_button_new(hbox, button_hbox, cancel);
            dlg_button_new(hbox, button_hbox, start);
            return hbox;
        }
    }
    if (buttons == 3) {
        if (ok && save && close) {
            dlg_button_new(hbox, button_hbox, save);
            dlg_button_new(hbox, button_hbox, close);
            dlg_button_new(hbox, button_hbox, ok);
            return hbox;
        }
        if (ok && apply && cancel) {
            dlg_button_new(hbox, button_hbox, apply);
            dlg_button_new(hbox, button_hbox, cancel);
            dlg_button_new(hbox, button_hbox, ok);
            return hbox;
        }
        if (apply && save && close) {
            dlg_button_new(hbox, button_hbox, save);
            dlg_button_new(hbox, button_hbox, close);
            dlg_button_new(hbox, button_hbox, apply);
            return hbox;
        }
        if (yes && no && cancel) {
            dlg_button_new(hbox, button_hbox, no);
            dlg_button_new(hbox, button_hbox, cancel);
            dlg_button_new(hbox, button_hbox, yes);
            return hbox;
        }
        if (save && dont_save && cancel) {
        	dlg_button_new(hbox, button_hbox, dont_save);
        	dlg_button_new(hbox, button_hbox, cancel);
        	dlg_button_new(hbox, button_hbox, save);
        	return hbox;
        }
    }
    if (buttons == 4) {
        if (ok && apply && save && cancel) {
            dlg_button_new(hbox, button_hbox, save);
            dlg_button_new(hbox, button_hbox, apply);
            dlg_button_new(hbox, button_hbox, cancel);
            dlg_button_new(hbox, button_hbox, ok);
            return hbox;
        }
        if (ok && apply && save && close) {
            dlg_button_new(hbox, button_hbox, save);
            dlg_button_new(hbox, button_hbox, apply);
            dlg_button_new(hbox, button_hbox, close);
            dlg_button_new(hbox, button_hbox, ok);
            return hbox;
        }
    }
#endif

    /* beware: sequence of buttons is important! */
    if (ok      != NULL) dlg_button_new(hbox, button_hbox, ok);
    if (jump    != NULL) dlg_button_new(hbox, button_hbox, jump);
    if (find    != NULL) dlg_button_new(hbox, button_hbox, find);
    if (print   != NULL) dlg_button_new(hbox, button_hbox, print);
    if (create_stat != NULL) dlg_button_new(hbox, button_hbox, create_stat);
    if (apply   != NULL) dlg_button_new(hbox, button_hbox, apply);
    if (yes     != NULL) dlg_button_new(hbox, button_hbox, yes);
    if (no      != NULL) dlg_button_new(hbox, button_hbox, no);
    if (save    != NULL) dlg_button_new(hbox, button_hbox, save);
    if (dont_save != NULL) dlg_button_new(hbox, button_hbox, dont_save);
    if (start   != NULL) dlg_button_new(hbox, button_hbox, start);
    if (stop    != NULL) dlg_button_new(hbox, button_hbox, stop);
    if (close   != NULL) dlg_button_new(hbox, button_hbox, close);
    if (clear   != NULL) dlg_button_new(hbox, button_hbox, clear);
    if (cancel  != NULL) dlg_button_new(hbox, button_hbox, cancel);

    /* GTK2: we don't know that button combination, add it to the above list! */
    /* g_assert_not_reached(); */
    return hbox;
}


/* this is called, when a dialog was closed */
static void dlg_destroy_cb(GtkWidget *dialog _U_, gpointer data	_U_)
{
#if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION < 4
    if(top_level) {
        /* bring main window back to front (workaround for a bug in win32 GTK2.x)
           XXX - do this only on Windows? */
        gtk_window_present(GTK_WINDOW(top_level));
    }
#endif
}


/* Create a dialog box window that belongs to Ethereal's main window. */
GtkWidget *
dlg_window_new(const gchar *title)
{
  GtkWidget *win;

#if GTK_MAJOR_VERSION < 2
  win = window_new(GTK_WINDOW_DIALOG, title);
#else
  win = window_new(GTK_WINDOW_TOPLEVEL, title);
#endif

  /*
   * XXX - if we're running in the capture child process, we can't easily
   * make this window transient for the main process's window.  We just
   * punt here.
   *
   * Perhaps the child process should only capture packets, write them to
   * a file, and somehow notify the parent process and let *it* do all
   * the GUI work.  If we can do that efficiently (so that we don't drop
   * more packets), perhaps we can also do so even when we're *not* doing
   * an "Update list of packets in real time" capture.  That'd let the
   * child process run set-UID on platforms where you need that in order
   * to capture, and might also simplify the job of having the GUI main
   * loop wait both for user input and packet arrival.
   */
  if (top_level) {
    gtk_window_set_transient_for(GTK_WINDOW(win), GTK_WINDOW(top_level));
  }

  SIGNAL_CONNECT(win, "destroy", dlg_destroy_cb, NULL);

  return win;
}


/* Create a file selection dialog box window that belongs to Ethereal's
   main window. */
#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 4) || GTK_MAJOR_VERSION > 2
GtkWidget *
file_selection_new(const gchar *title, file_selection_action_t action)
{
  GtkWidget *win;
  GtkFileChooserAction gtk_action;
  const gchar *ok_button_text;

  switch (action) {

  case FILE_SELECTION_OPEN:
    gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
    ok_button_text = GTK_STOCK_OPEN;
    break;

  case FILE_SELECTION_READ_BROWSE:
    gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
    ok_button_text = GTK_STOCK_OK;
    break;

  case FILE_SELECTION_SAVE:
    gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
    ok_button_text = GTK_STOCK_SAVE;
    break;

  case FILE_SELECTION_WRITE_BROWSE:
    gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
    ok_button_text = GTK_STOCK_OK;
    break;

  default:
    g_assert_not_reached();
    gtk_action = -1;
    ok_button_text = NULL;
    break;
  }
  win = gtk_file_chooser_dialog_new(title, GTK_WINDOW(top_level), gtk_action,
#ifndef _WIN32
                                    GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                                    ok_button_text, GTK_RESPONSE_ACCEPT,
#else
                                    ok_button_text, GTK_RESPONSE_ACCEPT,
                                    GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
#endif
                                    NULL);

  /* If we've opened a file before, start out by showing the files in the directory
     in which that file resided. */
  if (last_open_dir)
    file_selection_set_current_folder(win, last_open_dir);

  return win;
}
#else
GtkWidget *
file_selection_new(const gchar *title, file_selection_action_t action _U_)
{
  GtkWidget *win;

  win = gtk_file_selection_new(title);
#if GTK_MAJOR_VERSION >= 2
  gtk_window_set_position(GTK_WINDOW(win), GTK_WIN_POS_CENTER_ON_PARENT);
#endif
  gtk_window_set_transient_for(GTK_WINDOW(win), GTK_WINDOW(top_level));

  /* XXX - why are we doing this?  We don't do it with the GtkFileChooser,
     as it complains that the file name isn't being set to an absolute
     path; does this provoke a similar complaint? */
  gtk_file_selection_set_filename(GTK_FILE_SELECTION(win), "");

  /* If we've opened a file before, start out by showing the files in the directory
     in which that file resided. */
  if (last_open_dir)
    file_selection_set_current_folder(win, last_open_dir);

  return win;
}
#endif

/* Set the current folder for a file selection dialog. */
gboolean
file_selection_set_current_folder(GtkWidget *fs, const gchar *filename)
{
#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 4) || GTK_MAJOR_VERSION > 2
    gboolean ret;
    int filename_len = strlen(filename);
    gchar *new_filename;

    /* trim filename, so gtk_file_chooser_set_current_folder() likes it, see below */
    if (filename[filename_len -1] == G_DIR_SEPARATOR 
#ifdef _WIN32
        && filename_len > 3)    /* e.g. "D:\" */
#else
        && filename_len > 1)    /* e.g. "/" */
#endif
    {
        new_filename = g_strdup(filename);
        new_filename[filename_len-1] = '\0';
    } else {
        new_filename = g_strdup(filename);
    }

    /* this function is very pedantic about it's filename parameter */
    /* no trailing '\' allowed, unless a win32 root dir "D:\" */
    ret = gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(fs), new_filename);
    g_free(new_filename);
    return ret;
#else
    gtk_file_selection_set_filename(GTK_FILE_SELECTION(fs), filename);
    return TRUE;
#endif
}

/* Set the "extra" widget for a file selection dialog, with user-supplied
   options. */
void
file_selection_set_extra_widget(GtkWidget *fs, GtkWidget *extra)
{
#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 4) || GTK_MAJOR_VERSION > 2
  gtk_file_chooser_set_extra_widget(GTK_FILE_CHOOSER(fs), extra);
#else
  gtk_box_pack_start(GTK_BOX(GTK_FILE_SELECTION(fs)->action_area), extra,
                     FALSE, FALSE, 0);
#endif
}


/*
 * A generic select_file routine that is intended to be connected to
 * a Browse button on other dialog boxes. This allows the user to browse
 * for a file and select it. We fill in the text_entry that is given to us. 
 *
 * We display the window label specified in our args.
 */
void
file_selection_browse(GtkWidget *file_bt, GtkWidget *file_te, const char *label, file_selection_action_t action)
{
  GtkWidget *caller = gtk_widget_get_toplevel(file_bt);
  GtkWidget *fs;
#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 4) || GTK_MAJOR_VERSION > 2
  gchar     *f_name;
#endif

  /* Has a file selection dialog box already been opened for that top-level
     widget? */
  fs = OBJECT_GET_DATA(caller, E_FILE_SEL_DIALOG_PTR_KEY);
  if (fs != NULL) {
    /* Yes.  Just re-activate that dialog box. */
    reactivate_window(fs);
    return;
  }

  fs = file_selection_new(label, action);

  OBJECT_SET_DATA(fs, PRINT_FILE_TE_KEY, file_te);

  /* Set the E_FS_CALLER_PTR_KEY for the new dialog to point to our caller. */
  OBJECT_SET_DATA(fs, E_FS_CALLER_PTR_KEY, caller);

  /* Set the E_FILE_SEL_DIALOG_PTR_KEY for the caller to point to us */
  OBJECT_SET_DATA(caller, E_FILE_SEL_DIALOG_PTR_KEY, fs);

  /* Call a handler when the file selection box is destroyed, so we can inform
     our caller, if any, that it's been destroyed. */
  SIGNAL_CONNECT(fs, "destroy", GTK_SIGNAL_FUNC(file_selection_browse_destroy_cb), 
		 file_te);

#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 4) || GTK_MAJOR_VERSION > 2
  if (gtk_dialog_run(GTK_DIALOG(fs)) == GTK_RESPONSE_ACCEPT)
  {
      f_name = g_strdup(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(fs)));
      gtk_entry_set_text(GTK_ENTRY(file_te), f_name);
      g_free(f_name);
  }
  window_destroy(fs);
#else
  SIGNAL_CONNECT(GTK_FILE_SELECTION(fs)->ok_button, "clicked", 
		 file_selection_browse_ok_cb, fs);

  window_set_cancel_button(fs, GTK_FILE_SELECTION(fs)->cancel_button,
                           window_cancel_button_cb);

  SIGNAL_CONNECT(fs, "delete_event", window_delete_event_cb, fs);

  gtk_widget_show(fs);
  window_present(fs);
#endif
}


#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION < 4) || GTK_MAJOR_VERSION < 2
static void
file_selection_browse_ok_cb(GtkWidget *w _U_, gpointer data)
{
  gchar     *f_name;
  GtkWidget *win = data;

  f_name = g_strdup(gtk_file_selection_get_filename(GTK_FILE_SELECTION (data)));

  /* Perhaps the user specified a directory instead of a file.
     Check whether they did. */
  if (test_for_directory(f_name) == EISDIR) {
        /* It's a directory - set the file selection box to display it. */
        set_last_open_dir(f_name);
        g_free(f_name);
        file_selection_set_current_folder(data, last_open_dir);
        return;
  }

  gtk_entry_set_text(GTK_ENTRY(OBJECT_GET_DATA(win, PRINT_FILE_TE_KEY)),
                     f_name);
  window_destroy(GTK_WIDGET(win));

  g_free(f_name);
}
#endif

static void
file_selection_browse_destroy_cb(GtkWidget *win, GtkWidget* parent_te)
{
  GtkWidget *caller;

  /* Get the widget that requested that we be popped up.
     (It should arrange to destroy us if it's destroyed, so
     that we don't get a pointer to a non-existent window here.) */
  caller = OBJECT_GET_DATA(win, E_FS_CALLER_PTR_KEY);

  /* Tell it we no longer exist. */
  OBJECT_SET_DATA(caller, E_FILE_SEL_DIALOG_PTR_KEY, NULL);

  /* Give the focus to the file text entry widget so the user can just press
     Return to print to the file. */
  gtk_widget_grab_focus(parent_te);
}


void
set_last_open_dir(char *dirname)
{
	int len;
	gchar *new_last_open_dir;

	if (dirname) {
		len = strlen(dirname);
		if (dirname[len-1] == G_DIR_SEPARATOR) {
			new_last_open_dir = g_strconcat(dirname, NULL);
		}
		else {
			new_last_open_dir = g_strconcat(dirname,
				G_DIR_SEPARATOR_S, NULL);
		}

		if (last_open_dir == NULL ||
		    strcmp(last_open_dir, new_last_open_dir) != 0)
			updated_last_open_dir = TRUE;
	}
	else {
		new_last_open_dir = NULL;
		if (last_open_dir != NULL)
			updated_last_open_dir = TRUE;
	}

	if (last_open_dir) {
		g_free(last_open_dir);
	}
	last_open_dir = new_last_open_dir;
}

char *
get_last_open_dir(void)
{
    return last_open_dir;
}

/* Set the "activate" signal for a widget to call a routine to
   activate the "OK" button for a dialog box.

   XXX - there should be a way to specify that a GtkEntry widget
   shouldn't itself handle the Return key, but should let it be
   passed on to the parent, so that you don't have to do this
   by hand for every GtkEntry widget in a dialog box, but, alas,
   there isn't.  (Does this problem exist for other widgets?
   I.e., are there any others that seize the Return key? */
void
dlg_set_activate(GtkWidget *widget, GtkWidget *ok_button)
{
  SIGNAL_CONNECT(widget, "activate", dlg_activate, ok_button);
}

static void
dlg_activate (GtkWidget *widget _U_, gpointer ok_button)
{
  gtk_widget_activate(GTK_WIDGET(ok_button));
}

#if GTK_MAJOR_VERSION < 2
/* Sigh.  GTK+ appears not to acknowledge that it should be possible
   to attach mnemonics to anything other than menu items; provide
   routines to create radio and check buttons with labels that
   include mnemonics.  */
typedef struct {
	GtkWidget *button;
	GtkAccelGroup *accel_group;
} fix_label_args_t;

static void
dlg_fix_label_callback(GtkWidget *label_widget, gpointer data)
{
  fix_label_args_t *args = data;
  gchar *label;
  guint accel_key;

  gtk_label_get(GTK_LABEL(label_widget), &label);
  accel_key = gtk_label_parse_uline(GTK_LABEL(label_widget), label);
  if (accel_key != GDK_VoidSymbol) {
    /* Yes, we have a mnemonic. */
    gtk_widget_add_accelerator(args->button, "clicked", args->accel_group,
				accel_key, 0, GTK_ACCEL_LOCKED);
    gtk_widget_add_accelerator(args->button, "clicked", args->accel_group,
				accel_key, GDK_MOD1_MASK, GTK_ACCEL_LOCKED);
  }
}

static void
dlg_fix_button_label(GtkWidget *button, GtkAccelGroup *accel_group)
{
  fix_label_args_t args;

  args.button = button;
  args.accel_group = accel_group;
  gtk_container_foreach(GTK_CONTAINER(button), dlg_fix_label_callback, &args);
}

GtkWidget *
dlg_radio_button_new_with_label_with_mnemonic(GSList *group,
		const gchar *label, GtkAccelGroup *accel_group)
{
  GtkWidget *radio_button;

  radio_button = gtk_radio_button_new_with_label (group, label);
  dlg_fix_button_label(radio_button, accel_group);
  return radio_button;
}

GtkWidget *
dlg_check_button_new_with_label_with_mnemonic(const gchar *label,
			GtkAccelGroup *accel_group)
{
  GtkWidget *check_button;

  check_button = gtk_check_button_new_with_label (label);
  dlg_fix_button_label(check_button, accel_group);
  return check_button;
}

GtkWidget *
dlg_toggle_button_new_with_label_with_mnemonic(const gchar *label,
			GtkAccelGroup *accel_group)
{
  GtkWidget *toggle_button;

  toggle_button = gtk_toggle_button_new_with_label (label);
  dlg_fix_button_label(toggle_button, accel_group);
  return toggle_button;
}
#endif