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