File: handler.c

package info (click to toggle)
x11-apps 7.3+4
  • links: PTS, VCS
  • area: main
  • in suites: lenny
  • size: 10,380 kB
  • ctags: 4,801
  • sloc: ansic: 39,055; sh: 18,739; makefile: 1,163; lex: 162; cpp: 100; yacc: 82
file content (724 lines) | stat: -rw-r--r-- 21,607 bytes parent folder | download | duplicates (2)
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
/* $XConsortium: handler.c,v 1.22 94/12/16 21:36:53 gildea Exp $ */
/*

Copyright (c) 1987, 1988  X Consortium

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of the X Consortium shall
not be used in advertising or otherwise to promote the sale, use or
other dealings in this Software without prior written authorization
from the X Consortium.

*/
/* $XFree86: xc/programs/xman/handler.c,v 1.6 2003/01/19 04:44:45 paulo Exp $ */

/*
 * xman - X window system manual page display program.
 * Author:    Chris D. Peterson, MIT Project Athena
 * Created:   October 29, 1987
 */

#include <sys/types.h>
#include <sys/stat.h>
#include "globals.h"
#include "vendor.h"
#ifdef INCLUDE_XPRINT_SUPPORT
#include "printdialog.h"
#include "print.h"
#endif /* INCLUDE_XPRINT_SUPPORT */

static void PutUpManpage(ManpageGlobals * man_globals, FILE * file);
static void ToggleBothShownState(ManpageGlobals * man_globals);

/*	Function Name: OptionCallback
 *	Description: This is the callback function for the callback menu.
 *	Arguments: w - the widget we are calling back from. 
 *                 globals_pointer - a pointer to the psuedo globals structure
 *                                  for this manpage.
 *                 junk - (call data) not used.
 *	Returns: none.
 */

/*ARGSUSED*/
void
OptionCallback(Widget w, XtPointer pointer, XtPointer junk)
{
  ManpageGlobals * man_globals = (ManpageGlobals *) pointer;
  String params;
  Cardinal num_params = 1;

  if ( w == man_globals->search_entry )
    PopupSearch(XtParent(w), NULL, NULL, NULL);
  else if (w == man_globals->dir_entry) {       /* Put Up Directory */
    params = "Directory";
    GotoPage(XtParent(w), NULL, &params, &num_params);
  }
  else if (w == man_globals->manpage_entry ) {  /* Put Up Man Page */
    params = "ManualPage";
    GotoPage(XtParent(w), NULL, &params, &num_params);
  }
  else if ( w == man_globals->help_entry )      /* Help */
    PopupHelp(XtParent(w), NULL, NULL, NULL);
  else if ( w == man_globals->both_screens_entry ) /*Toggle Both_Shown State.*/
    ToggleBothShownState(man_globals);
  else if ( w == man_globals->remove_entry)     /* Kill the manpage */
    RemoveThisManpage(XtParent(w), NULL, NULL, NULL);
  else if ( w == man_globals->open_entry)       /* Open new manpage */
    CreateNewManpage(XtParent(w), NULL, NULL, NULL);
#ifdef INCLUDE_XPRINT_SUPPORT
  else if ( w == man_globals->print_entry)    /* Print current manpage */
    PrintThisManpage(XtParent(w), NULL, NULL, NULL);
#endif /* INCLUDE_XPRINT_SUPPORT */
  else if ( w == man_globals->version_entry)    /* Get version */
    ShowVersion(XtParent(w), NULL, NULL, NULL);
  else if ( w == man_globals->quit_entry)      /* Quit. */
    Quit(XtParent(w), NULL, NULL, NULL);
}

/*      Function Name: ToggleBothShownState;
 *      Description: toggles the state of the both shown feature.
 *      Arguments: man_globals - the man globals structure.
 *      Returns: none.
 */

/*
 * I did not have a two state widget, which is the way this
 * should really be done.  1/22/88 - CDP.
 */

static void
ToggleBothShownState(ManpageGlobals * man_globals)
{
  char * label_str;
  Arg arglist[1];

  if (man_globals->both_shown == TRUE) {
    label_str = SHOW_BOTH;
    if (man_globals->dir_shown)
      XtUnmanageChild(man_globals->manpagewidgets.manpage);
    else
      XtUnmanageChild(man_globals->manpagewidgets.directory);
  }
  else {
    Widget manpage = man_globals->manpagewidgets.manpage;
    Widget dir = man_globals->manpagewidgets.directory;
    
    label_str = SHOW_ONE;

    XtSetArg(arglist[0], XtNpreferredPaneSize, resources.directory_height);
    XtSetValues(dir, arglist, (Cardinal) 1);

    if (!man_globals->dir_shown) {
      XtUnmanageChild(manpage);
      XtManageChild(dir);
    }
    XtManageChild(manpage);
  }
  man_globals->both_shown = !man_globals->both_shown;
  
  if (man_globals->dir_shown)
    ChangeLabel(man_globals->label,
		man_globals->section_name[man_globals->current_directory]);
  else
    ChangeLabel(man_globals->label, man_globals->manpage_title);
  
  XtSetArg(arglist[0], XtNlabel, label_str);
  XtSetValues(man_globals->both_screens_entry, arglist, ONE);
  
  /* if both are shown there is no need to switch between the two. */

  XtSetArg(arglist[0], XtNsensitive, !man_globals->both_shown);
  XtSetValues(man_globals->manpage_entry, arglist, ONE);
  XtSetValues(man_globals->dir_entry, arglist, ONE);
}

/*	Function Name: Popup
 *	Description: This function pops up the given widget under the cursor.
 *	Arguments: w - the widget to popup.
 *                 grab_kind - the kind of grab to register.
 *	Returns: none
 */

/* How far off the top of the widget to have the initial cursor postion. */

#define OFF_OF_TOP 25

void
Popup(Widget w, XtGrabKind grab_kind)
{
  int x_root,y_root,y_pos,garbage;
  unsigned int mask;
  Window junk_window;

  XQueryPointer(XtDisplay(w), XtWindow(w), &junk_window, &junk_window,
		&x_root, &y_root, &garbage, &garbage, &mask);

  y_pos = OFF_OF_TOP - Height(w)/2 - BorderWidth(w);
  PositionCenter(w, x_root, y_root, y_pos, 0, 2, 2);
  XtPopup(w, grab_kind);
}

/*	Function Name: PutUpManpage
 *	Description: Puts the manpage on the display.
 *	Arguments: man_globals - a pointer to the psuedo globals structure
 *                                  for this manpage.
 *                 file - the file to display.
 *	Returns: none.
 */

static void
PutUpManpage(ManpageGlobals * man_globals, FILE * file)
{
  String params = "ManualPage";
  Cardinal num_params = 1;
  
  if (file == NULL)
    return;

  OpenFile(man_globals, file);

  if (!man_globals->both_shown) {
    Arg arglist[1];
    XtSetArg(arglist[0], XtNsensitive, TRUE);
    XtSetValues(man_globals->manpage_entry, arglist, ONE);
    XtSetValues(man_globals->both_screens_entry, arglist, ONE);
  }
  GotoPage(man_globals->manpagewidgets.manpage, NULL, &params, &num_params);
}

/*	Function Name: DirectoryHandler
 *	Description: This is the callback function for the directory listings.
 *	Arguments: w - the widget we are calling back from. 
 *                 global_pointer - the pointer to the psuedo global structure
 *                                  associated with this manpage.
 *                 ret_val - return value from the list widget.
 *	Returns: none.
 */

void
DirectoryHandler(Widget w, XtPointer global_pointer, XtPointer ret_val)
{
  FILE * file;			/* The manpage file. */
  ManpageGlobals * man_globals = (ManpageGlobals *) global_pointer;
  XawListReturnStruct * ret_struct = (XawListReturnStruct *) ret_val;

  file = FindManualFile(man_globals, man_globals->current_directory,
			ret_struct->list_index);
  PutUpManpage(man_globals, file);
  if ((file != NULL) && (file != man_globals->curr_file)) {
    fclose(file);
  }
}

/*	Function Name: DirPopupCallback
 *	Description: This is the callback function for the callback menu.
 *	Arguments: w - the widget we are calling back from. 
 *                 pointer - a pointer to the psuedo globals structure
 *                                  for this manpage.
 *                 junk - (call data) not used.
 *	Returns: none.
 */

/*ARGSUSED*/
void
DirPopupCallback(Widget w, XtPointer pointer, XtPointer junk)
{
  ManpageGlobals * man_globals; 
  MenuStruct * menu_struct;
  Widget parent;
  int number;
  int current_box;

  menu_struct = (MenuStruct *) pointer;
  man_globals = (ManpageGlobals *) menu_struct->data;

  number = menu_struct->number;
  current_box = man_globals->current_directory;

  /* We have used this guy, pop down the menu. */
  
  if (number != current_box) {
    /* This is the only one that we know has a parent. */
    parent = XtParent(man_globals->manpagewidgets.box[INITIAL_DIR]);

    MakeDirectoryBox(man_globals, parent,
		     man_globals->manpagewidgets.box + number, number);
    XtUnmanageChild(man_globals->manpagewidgets.box[current_box]);
    XtManageChild(man_globals->manpagewidgets.box[number]);

    XawListUnhighlight(man_globals->manpagewidgets.box[current_box]);
    ChangeLabel(man_globals->label, man_globals->section_name[number]);
    man_globals->current_directory = number;
  }

  /* put up directory. */
  if (!man_globals->both_shown) {
    XtUnmanageChild(man_globals->manpagewidgets.manpage);
    XtManageChild(man_globals->manpagewidgets.directory);
  }
}
    
/************************************************************
 *
 * Action Routines.
 *
 ************************************************************/

/*	Function Name: SaveFormattedPage
 *	Description: This is the action routine may save the manpage.
 *      Arguments: w - any widget in the widget tree.
 *                 event - NOT USED.
 *                 params, num_params - the parameters paseed to the action
 *                                      routine, can be either Manpage or
 *                                      Directory.
 *      Returns: none.
 */

/*ARGSUSED*/
void
SaveFormattedPage(Widget w, XEvent * event, String * params, Cardinal * num_params)
{
  ManpageGlobals * man_globals;
  char cmdbuf[BUFSIZ], error_buf[BUFSIZ];

  if (*num_params != 1) {
    XtAppWarning(XtWidgetToApplicationContext(w), 
       "Xman - SaveFormattedPage: This action routine requires one argument.");
    return;
  }

  man_globals = GetGlobals(w);

/*
 * If we are not active then take no action.
 */

  if (man_globals->tempfile == '\0') return;

  switch (params[0][0]) {
  case 'S':
  case 's':

#ifndef NO_COMPRESS
    if (!man_globals->compress)
#endif

      sprintf(cmdbuf, "%s %s %s", COPY, man_globals->tempfile, 
	      man_globals->save_file);

#ifndef NO_COMPRESS
    else
      if (man_globals->gzip)
	sprintf(cmdbuf, "%s < %s > %s", GZIP_COMPRESS, man_globals->tempfile,
		man_globals->save_file);
      else
	sprintf(cmdbuf, "%s < %s > %s", COMPRESS, man_globals->tempfile, 
		man_globals->save_file);
#endif

    if(! system(cmdbuf)) {
	/* make sure the formatted man page is fully accessible by the world */
	if (chmod(man_globals->save_file, CHMOD_MODE) != 0) {
	    sprintf(error_buf,
		    "Couldn't set permissions on formatted man page '%s'.\n",
		    man_globals->save_file);
	    PopupWarning( man_globals, error_buf);
	}
    } else {
	sprintf(error_buf, "Error while executing the command '%s'.\n",
		cmdbuf);
	PopupWarning( man_globals, error_buf);
    }
    break;
  case 'C':
  case 'c':
    break;
  default:
    sprintf(error_buf,"%s %s", "Xman - SaveFormattedPagee:",
	    "Unknown argument must be either 'Save' or 'Cancel'.");
    PopupWarning(man_globals, error_buf);
    return;
  }
    
/*
 * We do not need the filename anymore, and have the fd open.
 * We will unlink it.     
 */

  unlink(man_globals->tempfile);
  XtPopdown( XtParent(XtParent(w)) );
}

/*      Function Name: GotoPage
 *      Description: The Action routine that switches over to the manpage
 *                   or directory.
 *      Arguments: w - any widget in the widget tree.
 *                 event - NOT USED.
 *                 params, num_params - the parameters paseed to the action
 *                                      routine, can be either Manpage or
 *                                      Directory.
 *      Returns: none.
 */

/*ARGSUSED*/
void
GotoPage(Widget w, XEvent * event, String * params, Cardinal * num_params)
{
  ManpageGlobals * man_globals;
  char error_buf[BUFSIZ];
  Arg arglist[1];
  Boolean sensitive;

  if (*num_params != 1) {
    XtAppWarning(XtWidgetToApplicationContext(w), 
		"Xman - GotoPage: This action routine requires one argument.");
    return;
  }

  man_globals = GetGlobals(w);

  if (man_globals->both_shown) {
    ChangeLabel(man_globals->label, 
		man_globals->section_name[man_globals->current_directory]);
    return;
  }

  switch (params[0][0]) {
  case 'M':
  case 'm':
    XtSetArg(arglist[0], XtNsensitive, &sensitive);
    XtGetValues(man_globals->manpage_entry, arglist, ONE);
    if (sensitive) {
      ChangeLabel(man_globals->label,man_globals->manpage_title);
      XtUnmanageChild(man_globals->manpagewidgets.directory);
      XtManageChild(man_globals->manpagewidgets.manpage);
      man_globals->dir_shown = FALSE;
    }
    break;
  case 'D':
  case 'd':
    ChangeLabel(man_globals->label,
		man_globals->section_name[man_globals->current_directory]);
    XtUnmanageChild(man_globals->manpagewidgets.manpage);
    XtManageChild(man_globals->manpagewidgets.directory);  
    man_globals->dir_shown = TRUE;
    break;
  default:
    sprintf(error_buf,"%s %s", "Xman - GotoPage: Unknown argument must be",
	    "either Manpage or Directory.");
    XtAppWarning(XtWidgetToApplicationContext(w), error_buf);
    return;
  }
}

/*      Function Name: Quit.
 *      Description: Quits Xman.
 *      Arguments: w - any widget.
 *                 event - NOT USED.
 *                 params, num_params - NOT USED.
 *      Returns: none.
 */

/*ARGSUSED*/
void 
Quit(Widget w, XEvent * event, String * params, Cardinal * num_params)
{
  XtAppSetExitFlag(XtWidgetToApplicationContext(w));
}

/*      Function Name: PopupHelp
 *      Description: Pops up xman's help.
 *      Arguments: w - NOT USED.
 *                 event - NOT USED.
 *                 params, num_params - NOT USED.
 *      Returns: none.
 */

/*ARGSUSED*/
void 
PopupHelp(Widget w, XEvent * event, String * params, Cardinal * num_params)
{
  if (MakeHelpWidget())
    XtPopup(help_widget,XtGrabNone);
}

/*      Function Name: PopupSearch
 *      Description: Pops up this manual pages search widget.
 *      Arguments: w - any widget in this manpage.
 *                 event - NOT USED.
 *                 params, num_params - NOT USED.
 *      Returns: none.
 */

/*ARGSUSED*/
void 
PopupSearch(Widget w, XEvent * event, String * params, Cardinal * num_params)
{
  ManpageGlobals * man_globals = GetGlobals(w);

  if (man_globals->search_widget) {
    if (!XtIsRealized(man_globals->search_widget)) {
      XtRealizeWidget(man_globals->search_widget);
      AddCursor(man_globals->search_widget, resources.cursors.search_entry);
    }
    Popup(man_globals->search_widget, XtGrabNone);
  }
}

/*      Function Name: CreateNewManpage
 *      Description: Creates A New Manual Page.
 *      Arguments: w - NOT USED.
 *                 event - NOT USED.
 *                 params, num_params - NOT USED.
 *      Returns: none.
 */

/*ARGSUSED*/
void 
CreateNewManpage(Widget w, XEvent * event, String * params, Cardinal * num_params)
{
  (void) CreateManpage(NULL);
  man_pages_shown++;
}

/*      Function Name: RemoveThisManpage
 *      Description: Removes a manual page.
 *      Arguments: w - any widget in the manpage.
 *                 event - NOT USED.
 *                 params, num_params - NOT USED.
 *      Returns: none.
 */

/*ARGSUSED*/
void 
RemoveThisManpage(Widget w, XEvent * event, String * params, Cardinal * num_params)
{
  ManpageGlobals * man_globals = GetGlobals(w);
  
  if (man_globals->This_Manpage != help_widget) {
    RemoveGlobals(man_globals->This_Manpage);
    XtDestroyWidget(man_globals->This_Manpage);

    XtFree( (char *) man_globals->section_name);
    XtFree( (char *) man_globals->manpagewidgets.box);
    XtFree( (char *) man_globals);

    if ( (--man_pages_shown) == 0)
      Quit(w, NULL, NULL, NULL);  
  }
  else
    XtPopdown(help_widget);
}

/*      Function Name: Search
 *      Description: Actually performs a search.
 *      Arguments: w - any widget in the manpage.
 *                 event - NOT USED.
 *                 params, num_params - NOT USED.
 *      Returns: none.
 */

/*ARGSUSED*/
void 
Search(Widget w, XEvent * event, String * params, Cardinal * num_params)
{
  ManpageGlobals * man_globals = GetGlobals(w);
  FILE * file = NULL;

  XtPopdown(  XtParent(XtParent(w)) );       /* popdown the search widget */

  if ( (*num_params < 1) || (*num_params > 2) ) {
    XtAppWarning(XtWidgetToApplicationContext(w), 
      "Xman - Search: This action routine requires one or two arguments.");
    return;
  }

  switch(params[0][0]) {
  case 'a':
  case 'A':
    file = DoSearch(man_globals,APROPOS);
    break;
  case 'm':
  case 'M':
    file = DoSearch(man_globals,MANUAL);
    break;
  case 'c':
  case 'C':
    file = NULL;
    break;
  default:
    XtAppWarning(XtWidgetToApplicationContext(w), 
		 "Xman - Search: First parameter unknown.");
    file = NULL;
    break;
  }

  if ( *num_params == 2 ) 
    switch (params[1][0]) {
    case 'O':
    case 'o':
      if (file != NULL) {
	Widget w;
	char * label;

	w = CreateManpage(file);
	man_pages_shown++;

	/* Put title into new manual page. */

	label = man_globals->manpage_title;
	man_globals = GetGlobals(w);
	strcpy(man_globals->manpage_title, label);
	ChangeLabel(man_globals->label, label);
      }
      break;
    default:
      XtAppWarning(XtWidgetToApplicationContext(w), 
		   "Xman - Search: Second parameter unknown.");
      break;
    }
  else {
    PutUpManpage(man_globals, file);
  }
  if ((file != NULL) && (file != man_globals->curr_file)) {
    fclose(file);
  }
}

#ifdef INCLUDE_XPRINT_SUPPORT
static void
printshellDestroyXtProc(Widget w, XtPointer client_data, XtPointer callData)
{
  ManpageGlobals *mg = GetGlobals(w);
  XawPrintDialogClosePrinterConnection(mg->printdialog, False);
}

static void
printOKXtProc(Widget w, XtPointer client_data, XtPointer callData)
{
  XawPrintDialogCallbackStruct *pdcs = (XawPrintDialogCallbackStruct *)callData;
  Cardinal                      n;
  Arg                           args[2];
  ManpageGlobals               *mg = GetGlobals(w);
  Widget                        topwindow = mg->This_Manpage;
  FILE                         *file;

  Log(("printOKXtProc: OK.\n"));
  
  /* Get file object */
  n = 0;
  XtSetArg(args[n], XtNfile, &file); n++;
  XtGetValues(mg->manpagewidgets.manpage, args, n);
  Assertion(file != NULL, (("printOKXtProc: file == NULL.\n")));
  
  DoPrintManpage("Xman",
                 file, topwindow,
                 pdcs->pdpy, pdcs->pcontext, pdcs->colorspace,
                 printshellDestroyXtProc,
                 mg->manpage_title,
                 pdcs->printToFile?pdcs->printToFileName:NULL);

  XtPopdown(mg->printdialog_shell);
}

static void
printCancelXtProc(Widget w, XtPointer client_data, XtPointer callData)
{
    ManpageGlobals * mg = GetGlobals(w);

    Log(("printCancelXtProc: cancel.\n"));
    XtPopdown(mg->printdialog_shell);
    
    Log(("destroying print dialog shell...\n"));
    XtDestroyWidget(mg->printdialog_shell);
    mg->printdialog_shell = NULL;
    mg->printdialog       = NULL;
    Log(("... done\n"));
}

/*      Function Name: PrintThisManpage
 *      Description: Print the current manual page.
 *      Arguments: mg - manpage globals
 *      Returns: none.
 */

/*ARGSUSED*/
void 
PrintThisManpage(Widget w, XEvent * event, String * params, Cardinal * num_params)
{
  ManpageGlobals *mg = GetGlobals(w);
  Dimension       width, height;
  Position        x, y;
  Widget          parent    = mg->This_Manpage;
  Widget          topwindow = mg->This_Manpage;
  Log(("print!\n"));
  
  if (!mg->printdialog) {
    int n;
    Arg args[20];

    n = 0;
    XtSetArg(args[n], XtNallowShellResize, True); n++;
    mg->printdialog_shell = XtCreatePopupShell("printdialogshell",
                                               transientShellWidgetClass,
                                               topwindow, args, n);
    n = 0;
    mg->printdialog = XtCreateManagedWidget("printdialog", printDialogWidgetClass,
                                            mg->printdialog_shell, args, n);
    XtAddCallback(mg->printdialog, XawNOkCallback,     printOKXtProc,     NULL);
    XtAddCallback(mg->printdialog, XawNCancelCallback, printCancelXtProc, NULL);

    XtRealizeWidget(mg->printdialog_shell);
  }

  /* Center dialog */
  XtVaGetValues(mg->printdialog_shell,
      XtNwidth,  &width,
      XtNheight, &height,
      NULL);

  x = (Position)(XWidthOfScreen( XtScreen(parent)) - width)  / 2;
  y = (Position)(XHeightOfScreen(XtScreen(parent)) - height) / 3;

  XtVaSetValues(mg->printdialog_shell,
      XtNx, x,
      XtNy, y,
      NULL);
        
  XtPopup(mg->printdialog_shell, XtGrabNonexclusive);
}
#endif /* INCLUDE_XPRINT_SUPPORT */

/*      Function Name: ShowVersion
 *      Description: Show current version.
 *      Arguments: w - any widget in the manpage.
 *                 event - NOT USED.
 *                 params, num_params - NOT USED.
 *      Returns: none.
 */

/*ARGSUSED*/
void 
ShowVersion(Widget w, XEvent * event, String * params, Cardinal * num_params)
{
  ManpageGlobals * man_globals = GetGlobals(w);
  ChangeLabel(man_globals->label, XMAN_VERSION);
}