src/frontends/xforms/FormDocument.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright (C) 2000 The LyX Team.
   7  *
   8  *           @author Jürgen Vigna
   9  *
  10  *======================================================*/
  11
  12 #include <config.h>
  13
  14 #ifdef __GNUG_
  15 #pragma implementation
  16 #endif
  17
  18 #include "lyx_gui_misc.h"
  19 #include "gettext.h"
  20 #include FORMS_H_LOCATION
  21 #include XPM_H_LOCATION
  22
  23 #include "FormDocument.h"
  24 #include "form_document.h"
  25 #include "xform_macros.h"
  26 #include "Dialogs.h"
  27 #include "layout.h"
  28 #include "combox.h"
  29 #include "tex-strings.h"
  30 #include "bufferparams.h"
  31 #include "insets/insetquotes.h"
  32 #include "vspace.h"
  33 #include "bmtable.h"
  34 #include "support/filetools.h"
  35 #include "language.h"
  36 #include "LyXView.h"
  37 #include "BufferView.h"
  38 #include "buffer.h"
  39 #include "Liason.h"
  40 #include "CutAndPaste.h"
  41 #include "bufferview_funcs.h"
  42 #include "ButtonController.h"
  43
  44 #ifdef SIGC_CXX_NAMESPACES
  45 using SigC::slot;
  46 #endif
  47
  48 #ifdef CXX_WORKING_NAMESPACES
  49 using Liason::setMinibuffer;
  50 #endif
  51
  52 C_RETURNCB(FormDocument,  WMHideCB)
  53 C_GENERICCB(FormDocument, InputCB)
  54 C_GENERICCB(FormDocument, OKCB)
  55 C_GENERICCB(FormDocument, ApplyCB)
  56 C_GENERICCB(FormDocument, CancelCB)
  57 C_GENERICCB(FormDocument, RestoreCB)
  58 C_GENERICCB(FormDocument, ChoiceClassCB)
  59 C_GENERICCB(FormDocument, BulletPanelCB)
  60 C_GENERICCB(FormDocument, BulletDepthCB)
  61 C_GENERICCB(FormDocument, InputBulletLaTeXCB)
  62 C_GENERICCB(FormDocument, ChoiceBulletSizeCB)
  63
  64 FormDocument::FormDocument(LyXView * lv, Dialogs * d)
  65         : dialog_(0), paper_(0), class_(0), language_(0), options_(0),
  66           bullets_(0), lv_(lv), d_(d), u_(0), h_(0),
  67           status(POPUP_UNMODIFIED) ,
  68           bc_(new ButtonController<NoRepeatedApplyReadOnlyPolicy>(_("Cancel"),
  69                                                                   _("Close")))
  70 {
  71     // let the popup be shown
  72     // This is a permanent connection so we won't bother
  73     // storing a copy because we won't be disconnecting.
  74     d->showLayoutDocument.connect(slot(this, &FormDocument::show));
  75     current_bullet_depth = 0;
  76     current_bullet_panel = 0;
  77 }
  78
  79 FormDocument::~FormDocument()
  80 {
  81     free();
  82     delete bc_;
  83 }
  84
  85 void FormDocument::build()
  86 {
  87     int n;
  88
  89     // the tabbed folder
  90     dialog_ = build_tabbed_document();
  91
  92     // manage the restore, save, apply and cancel/close buttons
  93     bc_->setOK(dialog_->button_ok);
  94     bc_->setApply(dialog_->button_apply);
  95     bc_->setCancel(dialog_->button_cancel);
  96     bc_->setUndoAll(dialog_->button_restore);
  97     bc_->refresh();
  98
  99     // the document paper form
 100     paper_ = build_doc_paper();
 101     fl_addto_choice(paper_->choice_papersize2,
 102                     _(" Default | Custom | USletter | USlegal "
 103                       "| USexecutive | A3 | A4 | A5 | B3 | B4 | B5 "));
 104     fl_addto_choice(paper_->choice_paperpackage,
 105                     _(" None "
 106                       "| A4 small Margins (only portrait) "
 107                       "| A4 very small Margins (only portrait) "
 108                       "| A4 very wide margins (only portrait) "));
 109     fl_set_input_return(paper_->input_custom_width, FL_RETURN_ALWAYS);
 110     fl_set_input_return(paper_->input_custom_height, FL_RETURN_ALWAYS);
 111     fl_set_input_return(paper_->input_top_margin, FL_RETURN_ALWAYS);
 112     fl_set_input_return(paper_->input_bottom_margin, FL_RETURN_ALWAYS);
 113     fl_set_input_return(paper_->input_left_margin, FL_RETURN_ALWAYS);
 114     fl_set_input_return(paper_->input_right_margin, FL_RETURN_ALWAYS);
 115     fl_set_input_return(paper_->input_head_height, FL_RETURN_ALWAYS);
 116     fl_set_input_return(paper_->input_head_sep, FL_RETURN_ALWAYS);
 117     fl_set_input_return(paper_->input_foot_skip, FL_RETURN_ALWAYS);
 118
 119     // the document class form
 120     class_ = build_doc_class();
 121     fl_clear_choice(class_->choice_doc_class);
 122     for (LyXTextClassList::const_iterator cit = textclasslist.begin();
 123          cit != textclasslist.end(); ++cit)
 124     {
 125         fl_addto_choice(class_->choice_doc_class,(*cit).description().c_str());
 126     }
 127     fl_addto_choice(class_->choice_doc_spacing,
 128                     _(" Single | OneHalf | Double | Other "));
 129     fl_addto_choice(class_->choice_doc_fontsize, "default|10|11|12");
 130     for (n=0; tex_fonts[n][0]; ++n) {
 131         fl_addto_choice(class_->choice_doc_fonts,tex_fonts[n]);
 132     }
 133     fl_addto_choice(class_->choice_doc_pagestyle,
 134                     "default|empty|plain|headings|fancy");
 135     fl_addto_choice(class_->choice_doc_skip,
 136                     _(" Smallskip | Medskip | Bigskip | Length "));
 137     fl_set_input_return(class_->input_doc_skip, FL_RETURN_ALWAYS);
 138     fl_set_input_return(class_->input_doc_spacing, FL_RETURN_ALWAYS);
 139
 140     // the document language form
 141     language_ = build_doc_language();
 142     fl_addto_choice(language_->choice_inputenc,
 143                     "default|auto|latin1|latin2|latin5"
 144                     "|koi8-r|koi8-u|cp866|cp1251|iso88595");
 145
 146     // The language is a combo-box and has to be inserted manually
 147     FL_OBJECT * obj = language_->choice_language;
 148     fl_addto_form(language_->form);
 149     combo_language = new Combox(FL_COMBOX_DROPLIST);
 150     combo_language->add(obj->x, obj->y, obj->w, obj->h, 200);
 151     combo_language->shortcut("#L",1);
 152     fl_end_form();
 153     // "default" is not part of the languages array any more.
 154     combo_language->addto("default");
 155     for(Languages::const_iterator cit = languages.begin();
 156         cit != languages.end(); ++cit) {
 157         combo_language->addto((*cit).second.lang().c_str());
 158     }
 159
 160     fl_addto_choice(language_->choice_quotes_language,
 161                     _(" ``text'' | ''text'' | ,,text`` | ,,text'' |"
 162                       " «text» | »text« "));
 163
 164     // the document options form
 165     options_ = build_doc_options();
 166     fl_set_counter_bounds(options_->slider_secnumdepth,-2,5);
 167     fl_set_counter_bounds(options_->slider_tocdepth,-1,5);
 168     fl_set_counter_step(options_->slider_secnumdepth,1,1);
 169     fl_set_counter_step(options_->slider_tocdepth,1,1);
 170     fl_set_counter_precision(options_->slider_secnumdepth, 0);
 171     fl_set_counter_precision(options_->slider_tocdepth, 0);
 172     for (n=0; tex_graphics[n][0]; ++n) {
 173         fl_addto_choice(options_->choice_postscript_driver, tex_graphics[n]);
 174     }
 175
 176     // the document bullets form
 177     bullets_ = build_doc_bullet();
 178     fl_addto_choice(bullets_->choice_bullet_size,
 179                     _(" default | tiny | script | footnote | small |"
 180                       " normal | large | Large | LARGE | huge | Huge"));
 181     fl_set_choice(bullets_->choice_bullet_size, 1);
 182     fl_set_input_return(bullets_->input_bullet_latex, FL_RETURN_CHANGED);
 183     fl_set_input_maxchars(bullets_->input_bullet_latex, 80);
 184
 185     fl_set_form_atclose(dialog_->form,
 186                         FormDocument::WMHideCB, 0);
 187     fl_addto_tabfolder(dialog_->tabbed_folder,_("Document"),
 188                        class_->form);
 189     fl_addto_tabfolder(dialog_->tabbed_folder,_("Paper"),
 190                        paper_->form);
 191     fl_addto_tabfolder(dialog_->tabbed_folder,_("Language"),
 192                        language_->form);
 193     fl_addto_tabfolder(dialog_->tabbed_folder,_("Extra"),
 194                        options_->form);
 195     fbullet = fl_addto_tabfolder(dialog_->tabbed_folder,_("Bullets"),
 196                                  bullets_->form);
 197     if ((XpmVersion < 4) || (XpmVersion == 4 && XpmRevision < 7)) {
 198             lyxerr << _("Your version of libXpm is older than 4.7.\n"
 199                         "The `bullet' tab of the document popup "
 200                         "has been disabled") << '\n';
 201         fl_deactivate_object(fbullet);
 202         fl_set_object_lcol(fbullet, FL_INACTIVE);
 203     }
 204 }
 205
 206 void FormDocument::show()
 207 {
 208     if (!dialog_)
 209         build();
 210
 211     update();  // make sure its up-to-date
 212     if (dialog_->form->visible) {
 213         fl_raise_form(dialog_->form);
 214     } else {
 215         fl_show_form(dialog_->form,
 216                      FL_PLACE_MOUSE | FL_FREE_SIZE,
 217                      FL_TRANSIENT, _("Document Layout"));
 218         u_ = d_->updateBufferDependent.connect(
 219             slot(this, &FormDocument::update));
 220         h_ = d_->hideBufferDependent.connect(
 221             slot(this, &FormDocument::hide));
 222     }
 223 }
 224
 225 void FormDocument::hide()
 226 {
 227     if (dialog_->form->visible) {
 228         fl_hide_form(dialog_->form);
 229         u_.disconnect();
 230         h_.disconnect();
 231     }
 232 }
 233
 234 void FormDocument::apply()
 235 {
 236     if (!lv_->view()->available() || !dialog_)
 237         return;
 238
 239     bool
 240         redo;
 241
 242     redo = class_apply();
 243     paper_apply();
 244     redo = language_apply() || redo;
 245     redo = options_apply() || redo;
 246     bullets_apply();
 247
 248     if (redo) {
 249             lv_->view()->redoCurrentBuffer();
 250     }
 251     lv_->buffer()->markDirty();
 252     setMinibuffer(lv_, _("Document layout set"));
 253 }
 254
 255
 256 bool FormDocument::class_apply()
 257 {
 258         bool redo = false;
 259         BufferParams &params = lv_->buffer()->params;
 260
 261         // If default skip is a "Length" but there's no text in the
 262         // input field, reset the kind to "Medskip", which is the default.
 263         if ((fl_get_choice (class_->choice_doc_skip) == 4) &&
 264             !*(fl_get_input (class_->input_doc_skip))) {
 265                 fl_set_choice (class_->choice_doc_skip, 2);
 266         }
 267         params.fonts = fl_get_choice_text(class_->choice_doc_fonts);
 268         params.fontsize = fl_get_choice_text(class_->choice_doc_fontsize);
 269         params.pagestyle = fl_get_choice_text(class_->choice_doc_pagestyle);
 270
 271         unsigned int new_class = fl_get_choice(class_->choice_doc_class) - 1;
 272         if (params.textclass != new_class) {
 273                 // try to load new_class
 274                 if (textclasslist.Load(new_class)) {
 275                         // successfully loaded
 276                         redo = true;
 277                         setMinibuffer(lv_, _("Converting document to new document class..."));
 278                         CutAndPaste cap;
 279                         int ret = cap.SwitchLayoutsBetweenClasses(
 280                             params.textclass, new_class,
 281                             lv_->buffer()->paragraph);
 282                         if (ret) {
 283                                 string s;
 284                                 if (ret==1) {
 285                                         s = _("One paragraph couldn't be converted");
 286                                 } else {
 287                                         s += tostr(ret);
 288                                         s += _(" paragraphs couldn't be converted");
 289                                 }
 290                                 WriteAlert(_("Conversion Errors!"),s,
 291                                            _("into chosen document class"));
 292                         }
 293
 294                         params.textclass = new_class;
 295                 } else {
 296                         // problem changing class -- warn user and retain old style
 297                         WriteAlert(_("Conversion Errors!"),
 298                                    _("Errors loading new document class."),
 299                                    _("Reverting to original document class."));
 300                         fl_set_choice(class_->choice_doc_class,
 301                                       params.textclass + 1);
 302                 }
 303         }
 304         char tmpsep = params.paragraph_separation;
 305         if (fl_get_button(class_->radio_doc_indent))
 306                 params.paragraph_separation = BufferParams::PARSEP_INDENT;
 307         else
 308                 params.paragraph_separation = BufferParams::PARSEP_SKIP;
 309         if (tmpsep != params.paragraph_separation)
 310                 redo = true;
 311
 312         VSpace tmpdefskip = params.getDefSkip();
 313         switch (fl_get_choice (class_->choice_doc_skip)) {
 314         case 1:
 315                 params.setDefSkip(VSpace(VSpace::SMALLSKIP));
 316                 break;
 317         case 2:
 318                 params.setDefSkip(VSpace(VSpace::MEDSKIP));
 319                 break;
 320     case 3:
 321             params.setDefSkip(VSpace(VSpace::BIGSKIP));
 322             break;
 323         case 4:
 324                 params.setDefSkip
 325                         (VSpace(LyXGlueLength(fl_get_input(class_->input_doc_skip))));
 326                 break;
 327                 // DocumentDefskipCB assures that this never happens
 328         default:
 329                 params.setDefSkip(VSpace(VSpace::MEDSKIP));
 330                 break;
 331         }
 332         if (!(tmpdefskip == params.getDefSkip()))
 333                 redo = true;
 334
 335         if (fl_get_button(class_->radio_doc_columns_two))
 336                 params.columns = 2;
 337         else
 338                 params.columns = 1;
 339         if (fl_get_button(class_->radio_doc_sides_two))
 340                 params.sides = LyXTextClass::TwoSides;
 341         else
 342                 params.sides = LyXTextClass::OneSide;
 343
 344         Spacing tmpSpacing = params.spacing;
 345         switch(fl_get_choice(class_->choice_doc_spacing)) {
 346         case 1:
 347                 lyxerr[Debug::INFO] << "Spacing: SINGLE\n";
 348                 params.spacing.set(Spacing::Single);
 349                 break;
 350         case 2:
 351                 lyxerr[Debug::INFO] << "Spacing: ONEHALF\n";
 352                 params.spacing.set(Spacing::Onehalf);
 353                 break;
 354         case 3:
 355                 lyxerr[Debug::INFO] << "Spacing: DOUBLE\n";
 356                 params.spacing.set(Spacing::Double);
 357                 break;
 358         case 4:
 359                 lyxerr[Debug::INFO] << "Spacing: OTHER\n";
 360                 params.spacing.set(Spacing::Other,
 361                                    fl_get_input(class_->input_doc_spacing));
 362                 break;
 363         }
 364         if (tmpSpacing != params.spacing)
 365                 redo = true;
 366
 367         params.options = fl_get_input(class_->input_doc_extra);
 368
 369         return redo;
 370 }
 371
 372 void FormDocument::paper_apply()
 373 {
 374     BufferParams
 375         &params = lv_->buffer()->params;
 376
 377     params.papersize2 = fl_get_choice(paper_->choice_papersize2)-1;
 378     params.paperpackage = fl_get_choice(paper_->choice_paperpackage)-1;
 379     params.use_geometry = fl_get_button(paper_->push_use_geometry);
 380     if (fl_get_button(paper_->radio_landscape))
 381         params.orientation = BufferParams::ORIENTATION_LANDSCAPE;
 382     else
 383         params.orientation = BufferParams::ORIENTATION_PORTRAIT;
 384     params.paperwidth = fl_get_input(paper_->input_custom_width);
 385     params.paperheight = fl_get_input(paper_->input_custom_height);
 386     params.leftmargin = fl_get_input(paper_->input_left_margin);
 387     params.topmargin = fl_get_input(paper_->input_top_margin);
 388     params.rightmargin = fl_get_input(paper_->input_right_margin);
 389     params.bottommargin = fl_get_input(paper_->input_bottom_margin);
 390     params.headheight = fl_get_input(paper_->input_head_height);
 391     params.headsep = fl_get_input(paper_->input_head_sep);
 392     params.footskip = fl_get_input(paper_->input_foot_skip);
 393     lv_->buffer()->setPaperStuff();
 394 }
 395
 396 bool FormDocument::language_apply()
 397 {
 398     BufferParams
 399         &params = lv_->buffer()->params;
 400     InsetQuotes::quote_language
 401         lga = InsetQuotes::EnglishQ;
 402     bool redo = false;
 403
 404     switch(fl_get_choice(language_->choice_quotes_language) - 1) {
 405     case 0:
 406         lga = InsetQuotes::EnglishQ;
 407         break;
 408     case 1:
 409         lga = InsetQuotes::SwedishQ;
 410         break;
 411     case 2:
 412         lga = InsetQuotes::GermanQ;
 413         break;
 414     case 3:
 415         lga = InsetQuotes::PolishQ;
 416                 break;
 417     case 4:
 418         lga = InsetQuotes::FrenchQ;
 419         break;
 420     case 5:
 421         lga = InsetQuotes::DanishQ;
 422         break;
 423     }
 424     params.quotes_language = lga;
 425     if (fl_get_button(language_->radio_single))
 426         params.quotes_times = InsetQuotes::SingleQ;
 427     else
 428         params.quotes_times = InsetQuotes::DoubleQ;
 429
 430     Language const * old_language = params.language_info;
 431     params.language = combo_language->getline();
 432     Languages::iterator lit = languages.find(params.language);
 433
 434     Language const * new_language;
 435     if (lit != languages.end())
 436         new_language = &(*lit).second;
 437     else
 438         new_language = default_language;
 439
 440     if (old_language != new_language
 441         && old_language->RightToLeft() == new_language->RightToLeft()
 442         && !lv_->buffer()->isMultiLingual())
 443         lv_->buffer()->ChangeLanguage(old_language, new_language);
 444     if (old_language != new_language) {
 445         redo = true;
 446     }
 447     params.language_info = new_language;
 448     params.inputenc = fl_get_choice_text(language_->choice_inputenc);
 449
 450     return redo;
 451 }
 452
 453 bool FormDocument::options_apply()
 454 {
 455     BufferParams
 456         &params = lv_->buffer()->params;
 457     bool
 458         redo = false;
 459
 460     params.graphicsDriver =
 461         fl_get_choice_text(options_->choice_postscript_driver);
 462     params.use_amsmath = fl_get_button(options_->check_use_amsmath);
 463
 464     int tmpchar = int(fl_get_counter_value(options_->slider_secnumdepth));
 465     if (params.secnumdepth != tmpchar)
 466         redo = true;
 467     params.secnumdepth = tmpchar;
 468
 469     params.tocdepth = int(fl_get_counter_value(options_->slider_tocdepth));
 470
 471     params.float_placement =
 472         fl_get_input(options_->input_float_placement);
 473
 474     return redo;
 475 }
 476
 477 void FormDocument::bullets_apply()
 478 {
 479     /* update the bullet settings */
 480     BufferParams & param = lv_->buffer()->params;
 481
 482     // a little bit of loop unrolling
 483     param.user_defined_bullets[0] = param.temp_bullets[0];
 484     param.user_defined_bullets[1] = param.temp_bullets[1];
 485     param.user_defined_bullets[2] = param.temp_bullets[2];
 486     param.user_defined_bullets[3] = param.temp_bullets[3];
 487 }
 488
 489 void FormDocument::cancel()
 490 {
 491     // this avoids confusion when reopening
 492     BufferParams & param = lv_->buffer()->params;
 493     param.temp_bullets[0] = param.user_defined_bullets[0];
 494     param.temp_bullets[1] = param.user_defined_bullets[1];
 495     param.temp_bullets[2] = param.user_defined_bullets[2];
 496     param.temp_bullets[3] = param.user_defined_bullets[3];
 497 }
 498
 499 void FormDocument::update()
 500 {
 501     if (!dialog_)
 502         return;
 503     fl_hide_object(dialog_->text_warning);
 504     EnableDocumentLayout();
 505     if (lv_->buffer()->isReadonly()) {
 506         DisableDocumentLayout();
 507         fl_set_object_label(dialog_->text_warning,
 508                             _("Document is read-only."
 509                               " No changes to layout permitted."));
 510         fl_show_object(dialog_->text_warning);
 511     }
 512
 513     BufferParams
 514         const & params = lv_->buffer()->params;
 515
 516     class_update(params);
 517     paper_update(params);
 518     language_update(params);
 519     options_update(params);
 520     bullets_update(params);
 521 }
 522
 523 void FormDocument::class_update(BufferParams const & params)
 524 {
 525     if (!class_)
 526         return;
 527     LyXTextClass
 528         const & tclass = textclasslist.TextClass(params.textclass);
 529
 530     fl_set_choice_text(class_->choice_doc_class,
 531                        textclasslist.DescOfClass(params.textclass).c_str());
 532     fl_set_choice_text(class_->choice_doc_fonts, params.fonts.c_str());
 533     fl_clear_choice(class_->choice_doc_fontsize);
 534     fl_addto_choice(class_->choice_doc_fontsize, "default");
 535     fl_addto_choice(class_->choice_doc_fontsize,
 536                     tclass.opt_fontsize().c_str());
 537     fl_set_choice(class_->choice_doc_fontsize,
 538                   tokenPos(tclass.opt_fontsize(), '|', params.fontsize)+2);
 539     fl_clear_choice(class_->choice_doc_pagestyle);
 540     fl_addto_choice(class_->choice_doc_pagestyle, "default");
 541     fl_addto_choice(class_->choice_doc_pagestyle,
 542                     tclass.opt_pagestyle().c_str());
 543     fl_set_choice(class_->choice_doc_pagestyle,
 544                   tokenPos(tclass.opt_pagestyle(), '|', params.pagestyle)+2);
 545     fl_set_button(class_->radio_doc_indent, 0);
 546     fl_set_button(class_->radio_doc_skip, 0);
 547     if (params.paragraph_separation == BufferParams::PARSEP_INDENT)
 548         fl_set_button(class_->radio_doc_indent, 1);
 549     else
 550         fl_set_button(class_->radio_doc_skip, 1);
 551     switch (params.getDefSkip().kind()) {
 552     case VSpace::SMALLSKIP:
 553         fl_set_choice (class_->choice_doc_skip, 1);
 554         break;
 555     case VSpace::MEDSKIP:
 556         fl_set_choice (class_->choice_doc_skip, 2);
 557         break;
 558     case VSpace::BIGSKIP:
 559         fl_set_choice (class_->choice_doc_skip, 3);
 560         break;
 561     case VSpace::LENGTH:
 562         fl_set_choice (class_->choice_doc_skip, 4);
 563         fl_set_input (class_->input_doc_skip,
 564                       params.getDefSkip().asLyXCommand().c_str());
 565         break;
 566     default:
 567         fl_set_choice (class_->choice_doc_skip, 2);
 568         break;
 569     }
 570     fl_set_button(class_->radio_doc_sides_one, 0);
 571     fl_set_button(class_->radio_doc_sides_two, 0);
 572     if (params.sides == 2)
 573         fl_set_button(class_->radio_doc_sides_two, 1);
 574     else
 575         fl_set_button(class_->radio_doc_sides_one, 1);
 576     fl_set_button(class_->radio_doc_columns_one, 0);
 577     fl_set_button(class_->radio_doc_columns_two, 0);
 578     if (params.columns == 2)
 579         fl_set_button(class_->radio_doc_columns_two, 1);
 580     else
 581         fl_set_button(class_->radio_doc_columns_one, 1);
 582     fl_set_input(class_->input_doc_spacing, "");
 583     switch (params.spacing.getSpace()) {
 584     case Spacing::Default: // nothing bad should happen with this
 585     case Spacing::Single:
 586         // \singlespacing
 587         fl_set_choice(class_->choice_doc_spacing, 1);
 588         break;
 589     case Spacing::Onehalf:
 590         // \onehalfspacing
 591         fl_set_choice(class_->choice_doc_spacing, 2);
 592         break;
 593     case Spacing::Double:
 594         // \doublespacing
 595         fl_set_choice(class_->choice_doc_spacing, 3);
 596         break;
 597     case Spacing::Other:
 598         {
 599             fl_set_choice(class_->choice_doc_spacing, 4);
 600             char sval[20];
 601             sprintf(sval,"%g",params.spacing.getValue());
 602             fl_set_input(class_->input_doc_spacing, sval);
 603             break;
 604         }
 605     }
 606     if (!params.options.empty())
 607         fl_set_input(class_->input_doc_extra, params.options.c_str());
 608     else
 609         fl_set_input(class_->input_doc_extra, "");
 610 }
 611
 612 void FormDocument::language_update(BufferParams const & params)
 613 {
 614     if (!language_)
 615         return;
 616
 617     combo_language->select_text(params.language.c_str());
 618     fl_set_choice_text(language_->choice_inputenc, params.inputenc.c_str());
 619     fl_set_choice(language_->choice_quotes_language, params.quotes_language + 1);
 620     fl_set_button(language_->radio_single, 0);
 621     fl_set_button(language_->radio_double, 0);
 622     if (params.quotes_times == InsetQuotes::SingleQ)
 623         fl_set_button(language_->radio_single, 1);
 624     else
 625         fl_set_button(language_->radio_double, 1);
 626 }
 627
 628 void FormDocument::options_update(BufferParams const & params)
 629 {
 630     if (!options_)
 631         return;
 632
 633     fl_set_choice_text(options_->choice_postscript_driver,
 634                        params.graphicsDriver.c_str());
 635     fl_set_button(options_->check_use_amsmath, params.use_amsmath);
 636     fl_set_counter_value(options_->slider_secnumdepth, params.secnumdepth);
 637     fl_set_counter_value(options_->slider_tocdepth, params.tocdepth);
 638     if (!params.float_placement.empty())
 639         fl_set_input(options_->input_float_placement,
 640                      params.float_placement.c_str());
 641     else
 642         fl_set_input(options_->input_float_placement, "");
 643 }
 644
 645 void FormDocument::paper_update(BufferParams const & params)
 646 {
 647     if (!paper_)
 648         return;
 649
 650     fl_set_choice(paper_->choice_papersize2, params.papersize2 + 1);
 651     fl_set_choice(paper_->choice_paperpackage, params.paperpackage + 1);
 652     fl_set_button(paper_->push_use_geometry, params.use_geometry);
 653     fl_set_button(paper_->radio_portrait, 0);
 654     fl_set_button(paper_->radio_landscape, 0);
 655     if (params.orientation == BufferParams::ORIENTATION_LANDSCAPE)
 656         fl_set_button(paper_->radio_landscape, 1);
 657     else
 658         fl_set_button(paper_->radio_portrait, 1);
 659     fl_set_input(paper_->input_custom_width, params.paperwidth.c_str());
 660     fl_set_input(paper_->input_custom_height, params.paperheight.c_str());
 661     fl_set_input(paper_->input_left_margin, params.leftmargin.c_str());
 662     fl_set_input(paper_->input_top_margin, params.topmargin.c_str());
 663     fl_set_input(paper_->input_right_margin, params.rightmargin.c_str());
 664     fl_set_input(paper_->input_bottom_margin, params.bottommargin.c_str());
 665     fl_set_input(paper_->input_head_height, params.headheight.c_str());
 666     fl_set_input(paper_->input_head_sep, params.headsep.c_str());
 667     fl_set_input(paper_->input_foot_skip, params.footskip.c_str());
 668     fl_set_focus_object(paper_->form, paper_->choice_papersize2);
 669 }
 670
 671 void FormDocument::bullets_update(BufferParams const & params)
 672 {
 673     if (!bullets_ || ((XpmVersion<4) || (XpmVersion==4 && XpmRevision<7)))
 674         return;
 675
 676     if (lv_->buffer()->isLinuxDoc()) {
 677         fl_deactivate_object(fbullet);
 678         fl_set_object_lcol(fbullet, FL_INACTIVE);
 679         return;
 680     } else {
 681         fl_activate_object(fbullet);
 682         fl_set_object_lcol(fbullet, FL_BLACK);
 683     }
 684     if (lv_->buffer()->isReadonly()) {
 685         fl_deactivate_object (bullets_->bmtable_bullet_panel);
 686         fl_deactivate_object (bullets_->choice_bullet_size);
 687         fl_deactivate_object (bullets_->input_bullet_latex);
 688     } else {
 689         fl_activate_object (bullets_->bmtable_bullet_panel);
 690         fl_activate_object (bullets_->choice_bullet_size);
 691         fl_activate_object (bullets_->input_bullet_latex);
 692     }
 693
 694     fl_set_button(bullets_->radio_bullet_depth_1, 1);
 695     fl_set_input(bullets_->input_bullet_latex,
 696                  params.user_defined_bullets[0].c_str());
 697     fl_set_choice(bullets_->choice_bullet_size,
 698                   params.user_defined_bullets[0].getSize() + 2);
 699 }
 700
 701 void FormDocument::free()
 702 {
 703     if (dialog_) {
 704         hide();
 705         if (class_) {
 706             fl_free_form(class_->form);
 707             delete class_;
 708             class_ = 0;
 709         }
 710         if (paper_) {
 711             fl_free_form(paper_->form);
 712             delete paper_;
 713             paper_ = 0;
 714         }
 715         if (language_) {
 716             delete combo_language;
 717             fl_free_form(language_->form);
 718             delete language_;
 719             language_ = 0;
 720         }
 721         if (options_) {
 722             fl_free_form(options_->form);
 723             delete options_;
 724             options_ = 0;
 725         }
 726         if (bullets_) {
 727             fl_free_form(bullets_->form);
 728             delete bullets_;
 729             bullets_ = 0;
 730         }
 731         fl_free_form(dialog_->form);
 732         delete dialog_;
 733         dialog_ = 0;
 734     }
 735 }
 736
 737 int FormDocument::WMHideCB(FL_FORM * form, void *)
 738 {
 739     // Ensure that the signals (u and h) are disconnected even if the
 740     // window manager is used to close the popup.
 741     FormDocument * pre = (FormDocument*)form->u_vdata;
 742     pre->hide();
 743     pre->bc_->hide();
 744     return FL_CANCEL;
 745 }
 746
 747 void FormDocument::OKCB(FL_OBJECT * ob, long)
 748 {
 749     FormDocument * pre = (FormDocument*)ob->form->u_vdata;
 750     pre->apply();
 751     pre->hide();
 752     pre->bc_->ok();
 753 }
 754
 755 void FormDocument::ApplyCB(FL_OBJECT * ob, long)
 756 {
 757     FormDocument * pre = (FormDocument*)ob->form->u_vdata;
 758     pre->apply();
 759     pre->bc_->apply();
 760 }
 761
 762 void FormDocument::CancelCB(FL_OBJECT * ob, long)
 763 {
 764     FormDocument * pre = (FormDocument*)ob->form->u_vdata;
 765     pre->cancel();
 766     pre->hide();
 767     pre->bc_->cancel();
 768 }
 769
 770 void FormDocument::RestoreCB(FL_OBJECT * ob, long)
 771 {
 772     FormDocument * pre = static_cast<FormDocument*>(ob->form->u_vdata);
 773     pre->update();
 774     pre->bc_->undoAll();
 775 }
 776
 777 void FormDocument::InputCB(FL_OBJECT * ob, long)
 778 {
 779     FormDocument * pre = (FormDocument*)ob->form->u_vdata;
 780     pre->bc_->valid(pre->CheckDocumentInput(ob,0));
 781 }
 782
 783 void FormDocument::ChoiceClassCB(FL_OBJECT * ob, long)
 784 {
 785     FormDocument * pre = (FormDocument*)ob->form->u_vdata;
 786     pre->CheckChoiceClass(ob,0);
 787     pre->bc_->valid(pre->CheckDocumentInput(ob,0));
 788 }
 789
 790 void FormDocument::checkMarginValues()
 791 {
 792     int allEmpty;
 793
 794     allEmpty = (!strlen(fl_get_input(paper_->input_top_margin)) &&
 795                 !strlen(fl_get_input(paper_->input_bottom_margin)) &&
 796                 !strlen(fl_get_input(paper_->input_left_margin)) &&
 797                 !strlen(fl_get_input(paper_->input_right_margin)) &&
 798                 !strlen(fl_get_input(paper_->input_head_height)) &&
 799                 !strlen(fl_get_input(paper_->input_head_sep)) &&
 800                 !strlen(fl_get_input(paper_->input_foot_skip)) &&
 801                 !strlen(fl_get_input(paper_->input_custom_width)) &&
 802                 !strlen(fl_get_input(paper_->input_custom_height)));
 803     if (!allEmpty)
 804         fl_set_button(paper_->push_use_geometry, 1);
 805 }
 806
 807 bool FormDocument::CheckDocumentInput(FL_OBJECT * ob, long)
 808 {
 809     string str;
 810     char val;
 811     bool ok = true;
 812     char const * input;
 813
 814     checkMarginValues();
 815     if (ob == paper_->choice_papersize2) {
 816         val = fl_get_choice(paper_->choice_papersize2)-1;
 817         if (val == BufferParams::VM_PAPER_DEFAULT) {
 818             fl_set_button(paper_->push_use_geometry, 0);
 819             checkMarginValues();
 820         } else {
 821             if ((val != BufferParams::VM_PAPER_USLETTER) &&
 822                 (val != BufferParams::VM_PAPER_USLEGAL) &&
 823                 (val != BufferParams::VM_PAPER_USEXECUTIVE) &&
 824                 (val != BufferParams::VM_PAPER_A4) &&
 825                 (val != BufferParams::VM_PAPER_A5) &&
 826                 (val != BufferParams::VM_PAPER_B5)) {
 827                 fl_set_button(paper_->push_use_geometry, 1);
 828             }
 829             fl_set_choice(paper_->choice_paperpackage,
 830                           BufferParams::PACKAGE_NONE + 1);
 831         }
 832     } else if (ob == paper_->choice_paperpackage) {
 833         val = fl_get_choice(paper_->choice_paperpackage)-1;
 834         if (val != BufferParams::PACKAGE_NONE) {
 835             fl_set_choice(paper_->choice_papersize2,
 836                           BufferParams::VM_PAPER_DEFAULT + 1);
 837             fl_set_button(paper_->push_use_geometry, 0);
 838         }
 839     } else if (ob == class_->input_doc_spacing) {
 840         input = fl_get_input(class_->input_doc_spacing);
 841         if (!*input) {
 842             fl_set_choice (class_->choice_doc_spacing, 1);
 843         } else {
 844             fl_set_choice(class_->choice_doc_spacing, 4);
 845         }
 846     }
 847     // this has to be all out of if/elseif because it has to deactivate
 848     // the document buttons and so the whole stuff has to be tested again.
 849     str = fl_get_input(paper_->input_custom_width);
 850     ok = ok && (str.empty() || isValidLength(str));
 851     str = fl_get_input(paper_->input_custom_height);
 852     ok = ok && (str.empty() || isValidLength(str));
 853     str = fl_get_input(paper_->input_left_margin);
 854     ok = ok && (str.empty() || isValidLength(str));
 855     str = fl_get_input(paper_->input_right_margin);
 856     ok = ok && (str.empty() || isValidLength(str));
 857     str = fl_get_input(paper_->input_top_margin);
 858     ok = ok && (str.empty() || isValidLength(str));
 859     str = fl_get_input(paper_->input_bottom_margin);
 860     ok = ok && (str.empty() || isValidLength(str));
 861     str = fl_get_input(paper_->input_head_height);
 862     ok = ok && (str.empty() || isValidLength(str));
 863     str = fl_get_input(paper_->input_head_sep);
 864     ok = ok && (str.empty() || isValidLength(str));
 865     str = fl_get_input(paper_->input_foot_skip);
 866     ok = ok && (str.empty() || isValidLength(str));
 867     // "Synchronize" the choice and the input field, so that it
 868     // is impossible to commit senseless data.
 869     input = fl_get_input (class_->input_doc_skip);
 870     if (ob == class_->input_doc_skip) {
 871         if (!*input) {
 872             fl_set_choice (class_->choice_doc_skip, 2);
 873         } else if (isValidGlueLength (input)) {
 874             fl_set_choice (class_->choice_doc_skip, 4);
 875         } else {
 876             fl_set_choice(class_->choice_doc_skip, 4);
 877             ok = false;
 878         }
 879     } else {
 880         if (*input && !isValidGlueLength(input))
 881             ok = false;
 882     }
 883     if ((fl_get_choice(class_->choice_doc_skip) == 4) && !*input)
 884         ok = false;
 885     else if (fl_get_choice(class_->choice_doc_skip) != 4)
 886         fl_set_input (class_->input_doc_skip, "");
 887
 888     input = fl_get_input(class_->input_doc_spacing);
 889     if ((fl_get_choice(class_->choice_doc_spacing) == 4) && !*input)
 890         ok = false;
 891     else  if (fl_get_choice(class_->choice_doc_spacing) != 4)
 892         fl_set_input (class_->input_doc_spacing, "");
 893     return ok;
 894 }
 895
 896 void FormDocument::ChoiceBulletSizeCB(FL_OBJECT * ob, long)
 897 {
 898     FormDocument * pre = (FormDocument*)ob->form->u_vdata;
 899     pre->ChoiceBulletSize(ob,0);
 900     pre->bc_->valid(pre->CheckDocumentInput(ob,0));
 901 }
 902
 903 void FormDocument::ChoiceBulletSize(FL_OBJECT * ob, long /*data*/ )
 904 {
 905     BufferParams & param = lv_->buffer()->params;
 906
 907     // convert from 1-6 range to -1-4
 908     param.temp_bullets[current_bullet_depth].setSize(fl_get_choice(ob) - 2);
 909     fl_set_input(bullets_->input_bullet_latex,
 910                  param.temp_bullets[current_bullet_depth].c_str());
 911 }
 912
 913 void FormDocument::InputBulletLaTeXCB(FL_OBJECT * ob, long)
 914 {
 915     FormDocument * pre = (FormDocument*)ob->form->u_vdata;
 916     pre->InputBulletLaTeX(ob,0);
 917     pre->bc_->valid(pre->CheckDocumentInput(ob,0));
 918 }
 919
 920 void FormDocument::InputBulletLaTeX(FL_OBJECT *, long)
 921 {
 922     BufferParams & param = lv_->buffer()->params;
 923
 924     param.temp_bullets[current_bullet_depth].
 925         setText(fl_get_input(bullets_->input_bullet_latex));
 926 }
 927
 928 void FormDocument::BulletDepthCB(FL_OBJECT * ob, long)
 929 {
 930     FormDocument * pre = (FormDocument*)ob->form->u_vdata;
 931     pre->BulletDepth(ob,0);
 932 }
 933
 934 void FormDocument::BulletDepth(FL_OBJECT * ob, long data)
 935 {
 936     /* Should I do the following:                                 */
 937     /*  1. change to the panel that the current bullet belongs in */
 938     /*  2. show that bullet as selected                           */
 939     /*  3. change the size setting to the size of the bullet in Q.*/
 940     /*  4. display the latex equivalent in the latex box          */
 941     /*                                                            */
 942     /* I'm inclined to just go with 3 and 4 at the moment and     */
 943     /* maybe try to support the others later                      */
 944     BufferParams & param = lv_->buffer()->params;
 945
 946     switch (fl_get_button_numb(ob)) {
 947     case 3:
 948         // right mouse button resets to default
 949         param.temp_bullets[data] = ITEMIZE_DEFAULTS[data];
 950     default:
 951         current_bullet_depth = data;
 952         fl_set_input(bullets_->input_bullet_latex,
 953                      param.temp_bullets[data].c_str());
 954         fl_set_choice(bullets_->choice_bullet_size,
 955                       param.temp_bullets[data].getSize() + 2);
 956     }
 957 }
 958
 959 void FormDocument::BulletPanelCB(FL_OBJECT * ob, long data)
 960 {
 961     FormDocument * pre = (FormDocument*)ob->form->u_vdata;
 962     pre->BulletPanel(ob,data);
 963 }
 964
 965 void FormDocument::BulletPanel(FL_OBJECT * /*ob*/, long data)
 966 {
 967     /* Here we have to change the background pixmap to that selected */
 968     /* by the user. (eg. standard.xpm, psnfss1.xpm etc...)           */
 969
 970     if (data != current_bullet_panel) {
 971         fl_freeze_form(bullets_->form);
 972         current_bullet_panel = data;
 973
 974         /* free the current pixmap */
 975         fl_free_bmtable_pixmap(bullets_->bmtable_bullet_panel);
 976         string new_panel;
 977         switch (data) {
 978             /* display the new one */
 979         case 0 :
 980             new_panel = "standard";
 981             break;
 982         case 1 :
 983             new_panel = "amssymb";
 984             break;
 985         case 2 :
 986             new_panel = "psnfss1";
 987             break;
 988         case 3 :
 989             new_panel = "psnfss2";
 990             break;
 991         case 4 :
 992             new_panel = "psnfss3";
 993             break;
 994         case 5 :
 995             new_panel = "psnfss4";
 996             break;
 997         default :
 998             /* something very wrong happened */
 999             // play it safe for now but should be an exception
1000             current_bullet_panel = 0;  // standard panel
1001             new_panel = "standard";
1002             break;
1003         }
1004         new_panel += ".xpm";
1005         fl_set_bmtable_pixmap_file(bullets_->bmtable_bullet_panel, 6, 6,
1006                                    LibFileSearch("images", new_panel.c_str()).c_str());
1007         fl_redraw_object(bullets_->bmtable_bullet_panel);
1008         fl_unfreeze_form(bullets_->form);
1009     }
1010 }
1011
1012 void FormDocument::BulletBMTableCB(FL_OBJECT * ob, long)
1013 {
1014     FormDocument * pre = (FormDocument*)ob->form->u_vdata;
1015     pre->BulletBMTable(ob,0);
1016     pre->bc_->valid(pre->CheckDocumentInput(ob,0));
1017 }
1018
1019 void FormDocument::BulletBMTable(FL_OBJECT * ob, long /*data*/ )
1020 {
1021     /* handle the user input by setting the current bullet depth's pixmap */
1022     /* to that extracted from the current chosen position of the BMTable  */
1023     /* Don't forget to free the button's old pixmap first.                */
1024
1025     BufferParams & param = lv_->buffer()->params;
1026     int bmtable_button = fl_get_bmtable(ob);
1027
1028     /* try to keep the button held down till another is pushed */
1029     /*  fl_set_bmtable(ob, 1, bmtable_button); */
1030     param.temp_bullets[current_bullet_depth].setFont(current_bullet_panel);
1031     param.temp_bullets[current_bullet_depth].setCharacter(bmtable_button);
1032     fl_set_input(bullets_->input_bullet_latex,
1033                  param.temp_bullets[current_bullet_depth].c_str());
1034 }
1035
1036 void FormDocument::EnableDocumentLayout()
1037 {
1038         fl_activate_object (class_->radio_doc_indent);
1039         fl_activate_object (class_->radio_doc_skip);
1040         fl_activate_object (class_->choice_doc_class);
1041         fl_activate_object (class_->choice_doc_pagestyle);
1042         fl_activate_object (class_->choice_doc_fonts);
1043         fl_activate_object (class_->choice_doc_fontsize);
1044         fl_activate_object (class_->radio_doc_sides_one);
1045         fl_activate_object (class_->radio_doc_sides_two);
1046         fl_activate_object (class_->radio_doc_columns_one);
1047         fl_activate_object (class_->radio_doc_columns_two);
1048         fl_activate_object (class_->input_doc_extra);
1049         fl_activate_object (class_->input_doc_skip);
1050         fl_activate_object (class_->choice_doc_skip);
1051         fl_activate_object (class_->choice_doc_spacing);
1052         fl_activate_object (class_->input_doc_spacing);
1053
1054         fl_activate_object (language_->choice_language);
1055         combo_language->activate();
1056         fl_activate_object (language_->choice_language);
1057         fl_activate_object (language_->choice_inputenc);
1058
1059         fl_activate_object (options_->slider_secnumdepth);
1060         fl_activate_object (options_->slider_tocdepth);
1061         fl_activate_object (options_->check_use_amsmath);
1062         fl_activate_object (options_->input_float_placement);
1063         fl_activate_object (options_->choice_postscript_driver);
1064
1065         fl_activate_object (paper_->choice_paperpackage);
1066         fl_activate_object (paper_->greoup_radio_orientation);
1067         fl_activate_object (paper_->radio_portrait);
1068         fl_activate_object (paper_->radio_landscape);
1069         fl_activate_object (paper_->choice_papersize2);
1070         fl_activate_object (paper_->push_use_geometry);
1071         fl_activate_object (paper_->input_custom_width);
1072         fl_activate_object (paper_->input_custom_height);
1073         fl_activate_object (paper_->input_top_margin);
1074         fl_activate_object (paper_->input_bottom_margin);
1075         fl_activate_object (paper_->input_left_margin);
1076         fl_activate_object (paper_->input_right_margin);
1077         fl_activate_object (paper_->input_head_height);
1078         fl_activate_object (paper_->input_head_sep);
1079         fl_activate_object (paper_->input_foot_skip);
1080 }
1081
1082 void FormDocument::DisableDocumentLayout()
1083 {
1084         fl_deactivate_object (class_->radio_doc_indent);
1085         fl_deactivate_object (class_->radio_doc_skip);
1086         fl_deactivate_object (class_->choice_doc_class);
1087         fl_deactivate_object (class_->choice_doc_pagestyle);
1088         fl_deactivate_object (class_->choice_doc_fonts);
1089         fl_deactivate_object (class_->choice_doc_fontsize);
1090         fl_deactivate_object (class_->radio_doc_sides_one);
1091         fl_deactivate_object (class_->radio_doc_sides_two);
1092         fl_deactivate_object (class_->radio_doc_columns_one);
1093         fl_deactivate_object (class_->radio_doc_columns_two);
1094         fl_deactivate_object (class_->input_doc_extra);
1095         fl_deactivate_object (class_->input_doc_skip);
1096         fl_deactivate_object (class_->choice_doc_skip);
1097         fl_deactivate_object (class_->choice_doc_spacing);
1098         fl_deactivate_object (class_->input_doc_spacing);
1099
1100         fl_deactivate_object (language_->choice_language);
1101         combo_language->deactivate();
1102         fl_deactivate_object (language_->choice_inputenc);
1103
1104         fl_deactivate_object (options_->slider_secnumdepth);
1105         fl_deactivate_object (options_->slider_tocdepth);
1106         fl_deactivate_object (options_->check_use_amsmath);
1107         fl_deactivate_object (options_->input_float_placement);
1108         fl_deactivate_object (options_->choice_postscript_driver);
1109
1110         fl_deactivate_object (paper_->choice_paperpackage);
1111         fl_deactivate_object (paper_->greoup_radio_orientation);
1112         fl_deactivate_object (paper_->radio_portrait);
1113         fl_deactivate_object (paper_->radio_landscape);
1114         fl_deactivate_object (paper_->choice_papersize2);
1115         fl_deactivate_object (paper_->push_use_geometry);
1116         fl_deactivate_object (paper_->input_custom_width);
1117         fl_deactivate_object (paper_->input_custom_height);
1118         fl_deactivate_object (paper_->input_top_margin);
1119         fl_deactivate_object (paper_->input_bottom_margin);
1120         fl_deactivate_object (paper_->input_left_margin);
1121         fl_deactivate_object (paper_->input_right_margin);
1122         fl_deactivate_object (paper_->input_head_height);
1123         fl_deactivate_object (paper_->input_head_sep);
1124         fl_deactivate_object (paper_->input_foot_skip);
1125 }
1126
1127 void FormDocument::CheckChoiceClass(FL_OBJECT * ob, long)
1128 {
1129     ProhibitInput(lv_->view());
1130     if (textclasslist.Load(fl_get_choice(ob)-1)) {
1131         if (AskQuestion(_("Should I set some parameters to"),
1132                         fl_get_choice_text(ob),
1133                         _("the defaults of this document class?"))) {
1134             BufferParams & params = lv_->buffer()->params;
1135
1136             params.textclass = fl_get_choice(ob)-1;
1137             params.useClassDefaults();
1138             UpdateLayoutDocument(params);
1139         }
1140     } else {
1141         // unable to load new style
1142         WriteAlert(_("Conversion Errors!"),
1143                    _("Unable to switch to new document class."),
1144                    _("Reverting to original document class."));
1145         fl_set_choice(class_->choice_doc_class,
1146                       lv_->view()->buffer()->params.textclass + 1);
1147     }
1148     AllowInput(lv_->view());
1149 }
1150
1151 void FormDocument::UpdateLayoutDocument(BufferParams const & params)
1152 {
1153     if (!dialog_)
1154         return;
1155     fl_hide_object(dialog_->text_warning);
1156     EnableDocumentLayout();
1157     if (lv_->buffer()->isReadonly()) {
1158         DisableDocumentLayout();
1159         fl_set_object_label(dialog_->text_warning,
1160                             _("Document is read-only."
1161                               " No changes to layout permitted."));
1162         fl_show_object(dialog_->text_warning);
1163     }
1164     class_update(params);
1165     paper_update(params);
1166     language_update(params);
1167     options_update(params);
1168     bullets_update(params);
1169 }