src/frontends/xforms/FormDocument.C

   1 /**
   2  * \file FormDocument.C
   3  * Copyright 2000-2001 The LyX Team.
   4  * See the file COPYING.
   5  *
   6  * \author Jürgen Vigna, jug@sad.it
   7  */
   8
   9 #include <config.h>
  10
  11 #include FORMS_H_LOCATION
  12 #include XPM_H_LOCATION
  13
  14 #ifdef __GNUG__
  15 #pragma implementation
  16 #endif
  17
  18 #include "FormDocument.h"
  19 #include "form_document.h"
  20 #include "Alert.h"
  21 #include "Dialogs.h"
  22 #include "lyxtextclasslist.h"
  23 #include "combox.h"
  24 #include "tex-strings.h"
  25 #include "bufferparams.h"
  26 #include "vspace.h"
  27 #include "bmtable.h"
  28 #include "language.h"
  29 #include "frnt_lang.h"
  30 #include "frontends/LyXView.h"
  31 #include "lyxfunc.h"
  32 #include "lyxrc.h"
  33 #include "BufferView.h"
  34 #include "buffer.h"
  35 #include "Liason.h"
  36 #include "CutAndPaste.h"
  37 #include "bufferview_funcs.h"
  38 #include "xforms_helpers.h"
  39 #include "debug.h"
  40 #include "input_validators.h" // fl_unsigned_float_filter
  41 #include "helper_funcs.h"
  42 #include "lyx_main.h" // for user_lyxdir
  43
  44 #include "insets/insetquotes.h"
  45
  46 #include "support/filetools.h"
  47 #include "support/lstrings.h"
  48
  49 #include <functional>
  50
  51 using std::bind2nd;
  52
  53 using Liason::setMinibuffer;
  54 using SigC::slot;
  55 using std::vector;
  56
  57 FormDocument::FormDocument(LyXView * lv, Dialogs * d)
  58         : FormBaseBD(lv, d, _("Document Layout")),
  59           ActCell(0), Confirmed(0),
  60           current_bullet_panel(0), current_bullet_depth(0), fbullet(0)
  61 {
  62         // let the dialog be shown
  63         // This is a permanent connection so we won't bother
  64         // storing a copy because we won't be disconnecting.
  65         d->showDocument.connect(slot(this, &FormDocument::show));
  66 }
  67
  68
  69 void FormDocument::redraw()
  70 {
  71         if (form() && form()->visible)
  72                 fl_redraw_form(form());
  73         else
  74                 return;
  75
  76         FL_FORM * outer_form = fl_get_active_folder(dialog_->tabfolder);
  77         if (outer_form && outer_form->visible)
  78                 fl_redraw_form(outer_form);
  79 }
  80
  81
  82 FL_FORM * FormDocument::form() const
  83 {
  84         if (dialog_.get()) return dialog_->form;
  85         return 0;
  86 }
  87
  88
  89 void FormDocument::build()
  90 {
  91         int n;
  92
  93         // the tabbed folder
  94         dialog_.reset(build_tabbed_document());
  95
  96         // Allow the base class to control messages
  97         setMessageWidget(dialog_->text_warning);
  98
  99         // Manage the restore, ok, apply, restore and cancel/close buttons
 100         bc().setOK(dialog_->button_ok);
 101         bc().setApply(dialog_->button_apply);
 102         bc().setCancel(dialog_->button_close);
 103         bc().setRestore(dialog_->button_restore);
 104         bc().addReadOnly (dialog_->button_save_defaults);
 105         bc().addReadOnly (dialog_->button_reset_defaults);
 106
 107         // the document paper form
 108         paper_.reset(build_doc_paper());
 109         fl_addto_choice(paper_->choice_papersize,
 110                         _(" Default | Custom | US letter | US legal "
 111                           "| US executive | A3 | A4 | A5 | B3 | B4 | B5 "));
 112         fl_addto_choice(paper_->choice_paperpackage,
 113                         _(" None "
 114                           "| Small Margins "
 115                           "| Very small Margins "
 116                           "| Very wide Margins "));
 117
 118         fl_set_input_return(paper_->input_custom_width,  FL_RETURN_CHANGED);
 119         fl_set_input_return(paper_->input_custom_height, FL_RETURN_CHANGED);
 120         fl_set_input_return(paper_->input_top_margin,    FL_RETURN_CHANGED);
 121         fl_set_input_return(paper_->input_bottom_margin, FL_RETURN_CHANGED);
 122         fl_set_input_return(paper_->input_inner_margin,  FL_RETURN_CHANGED);
 123         fl_set_input_return(paper_->input_outer_margin,  FL_RETURN_CHANGED);
 124         fl_set_input_return(paper_->input_head_height,   FL_RETURN_CHANGED);
 125         fl_set_input_return(paper_->input_head_sep,      FL_RETURN_CHANGED);
 126         fl_set_input_return(paper_->input_foot_skip,     FL_RETURN_CHANGED);
 127
 128         setPrehandler(paper_->input_custom_width);
 129         setPrehandler(paper_->input_custom_height);
 130         setPrehandler(paper_->input_top_margin);
 131         setPrehandler(paper_->input_bottom_margin);
 132         setPrehandler(paper_->input_inner_margin);
 133         setPrehandler(paper_->input_outer_margin);
 134         setPrehandler(paper_->input_head_height);
 135         setPrehandler(paper_->input_head_sep);
 136         setPrehandler(paper_->input_foot_skip);
 137
 138         // Create the contents of the unit choices
 139         // Don't include the "%" terms...
 140         vector<string> units_vec = getLatexUnits();
 141 #if 0
 142         for (vector<string>::iterator it = units_vec.begin();
 143              it != units_vec.end(); ++it) {
 144                 if (contains(*it, "%"))
 145                         it = units_vec.erase(it, it+1) - 1;
 146         }
 147 #else
 148         vector<string>::iterator ret =
 149                 std::remove_if(units_vec.begin(),
 150                                units_vec.end(),
 151                                bind2nd(contains_functor(), "%"));
 152         units_vec.erase(ret, units_vec.end());
 153 #endif
 154         string units = getStringFromVector(units_vec, "|");
 155
 156         fl_addto_choice(paper_->choice_custom_width_units,  units.c_str());
 157         fl_addto_choice(paper_->choice_custom_height_units, units.c_str());
 158         fl_addto_choice(paper_->choice_top_margin_units,    units.c_str());
 159         fl_addto_choice(paper_->choice_bottom_margin_units, units.c_str());
 160         fl_addto_choice(paper_->choice_inner_margin_units,  units.c_str());
 161         fl_addto_choice(paper_->choice_outer_margin_units,  units.c_str());
 162         fl_addto_choice(paper_->choice_head_height_units,   units.c_str());
 163         fl_addto_choice(paper_->choice_head_sep_units,      units.c_str());
 164         fl_addto_choice(paper_->choice_foot_skip_units,     units.c_str());
 165
 166         bc().addReadOnly (paper_->choice_paperpackage);
 167         bc().addReadOnly (paper_->radio_portrait);
 168         bc().addReadOnly (paper_->radio_landscape);
 169         bc().addReadOnly (paper_->choice_papersize);
 170         bc().addReadOnly (paper_->check_use_geometry);
 171         bc().addReadOnly (paper_->input_custom_width);
 172         bc().addReadOnly (paper_->input_custom_height);
 173         bc().addReadOnly (paper_->input_top_margin);
 174         bc().addReadOnly (paper_->input_bottom_margin);
 175         bc().addReadOnly (paper_->input_inner_margin);
 176         bc().addReadOnly (paper_->input_outer_margin);
 177         bc().addReadOnly (paper_->input_head_height);
 178         bc().addReadOnly (paper_->input_head_sep);
 179         bc().addReadOnly (paper_->input_foot_skip);
 180
 181         // the document class form
 182         class_.reset(build_doc_class());
 183
 184         FL_OBJECT * obj;
 185         // The language is a combo-box and has to be inserted manually
 186         obj = class_->choice_doc_class;
 187         fl_deactivate_object(obj);
 188         fl_addto_form(class_->form);
 189         combo_doc_class.reset(new Combox(FL_COMBOX_DROPLIST));
 190         combo_doc_class->add(obj->x, obj->y, obj->w, obj->h, 400,
 191                              dialog_->tabfolder);
 192         combo_doc_class->shortcut("#C",1);
 193         combo_doc_class->setcallback(ComboInputCB, this);
 194         fl_end_form();
 195         for (LyXTextClassList::const_iterator cit = textclasslist.begin();
 196              cit != textclasslist.end(); ++cit) {
 197                 combo_doc_class->addto(cit->description());
 198         }
 199
 200         fl_addto_choice(class_->choice_doc_spacing,
 201                         _(" Single | OneHalf | Double | Custom "));
 202         fl_addto_choice(class_->choice_doc_fontsize, "default|10|11|12");
 203         for (n=0; tex_fonts[n][0]; ++n) {
 204                 fl_addto_choice(class_->choice_doc_fonts,tex_fonts[n]);
 205         }
 206         fl_addto_choice(class_->choice_doc_pagestyle,
 207                         "default|empty|plain|headings|fancy");
 208         fl_addto_choice(class_->choice_doc_skip,
 209                         _(" Smallskip | Medskip | Bigskip | Length "));
 210         fl_addto_choice(class_->choice_default_skip_units,  units.c_str());
 211         fl_set_input_return(class_->input_doc_extra, FL_RETURN_CHANGED);
 212         fl_set_input_return(class_->input_doc_skip, FL_RETURN_CHANGED);
 213         fl_set_input_return(class_->input_doc_spacing, FL_RETURN_CHANGED);
 214
 215         setPrehandler(class_->input_doc_extra);
 216         setPrehandler(class_->input_doc_skip);
 217         setPrehandler(class_->input_doc_spacing);
 218
 219         // Set input filters on doc spacing to make it accept only
 220         // unsigned numbers.
 221         fl_set_input_filter(class_->input_doc_spacing, fl_unsigned_float_filter);
 222
 223         bc().addReadOnly (class_->radio_doc_indent);
 224         bc().addReadOnly (class_->radio_doc_skip);
 225
 226         bc().addReadOnly (class_->choice_doc_pagestyle);
 227         bc().addReadOnly (class_->choice_doc_fonts);
 228         bc().addReadOnly (class_->choice_doc_fontsize);
 229         bc().addReadOnly (class_->radio_doc_sides_one);
 230         bc().addReadOnly (class_->radio_doc_sides_two);
 231         bc().addReadOnly (class_->radio_doc_columns_one);
 232         bc().addReadOnly (class_->radio_doc_columns_two);
 233         bc().addReadOnly (class_->input_doc_extra);
 234         bc().addReadOnly (class_->input_doc_skip);
 235         bc().addReadOnly (class_->choice_doc_skip);
 236         bc().addReadOnly (class_->choice_doc_spacing);
 237         bc().addReadOnly (class_->input_doc_spacing);
 238
 239         // the document language form
 240         language_.reset(build_doc_language());
 241         fl_addto_choice(language_->choice_inputenc,
 242                         "default|auto|latin1|latin2|latin3|latin4|latin5|latin9"
 243                         "|koi8-r|koi8-u|cp866|cp1251|iso88595");
 244
 245         vector<frnt::LanguagePair> const langs = frnt::getLanguageData(false);
 246         // Store the identifiers for later
 247         lang_ = getSecond(langs);
 248
 249         // The language is a combo-box and has to be inserted manually
 250         obj = language_->choice_language;
 251         fl_deactivate_object(obj);
 252         fl_addto_form(language_->form);
 253         combo_language.reset(new Combox(FL_COMBOX_DROPLIST));
 254         combo_language->add(obj->x, obj->y, obj->w, obj->h, 400,
 255                             dialog_->tabfolder);
 256         combo_language->shortcut("#L",1);
 257         combo_language->setcallback(ComboInputCB, this);
 258         fl_end_form();
 259
 260         vector<frnt::LanguagePair>::const_iterator lit  = langs.begin();
 261         vector<frnt::LanguagePair>::const_iterator lend = langs.end();
 262         for (; lit != lend; ++lit) {
 263                 combo_language->addto(lit->first);
 264         }
 265         combo_language->select(1);
 266
 267         fl_addto_choice(language_->choice_quotes_language,
 268                         _(" ``text'' | ''text'' | ,,text`` | ,,text'' |"
 269                           " «text» | »text« "));
 270
 271         bc().addReadOnly (language_->choice_inputenc);
 272         bc().addReadOnly (language_->choice_quotes_language);
 273         bc().addReadOnly (language_->radio_single);
 274         bc().addReadOnly (language_->radio_double);
 275
 276         // the document options form
 277         options_.reset(build_doc_options());
 278         fl_set_input_return(options_->input_float_placement, FL_RETURN_CHANGED);
 279         setPrehandler(options_->input_float_placement);
 280
 281         fl_set_counter_bounds(options_->counter_secnumdepth,-2,5);
 282         fl_set_counter_bounds(options_->counter_tocdepth,-1,5);
 283         fl_set_counter_step(options_->counter_secnumdepth,1,1);
 284         fl_set_counter_step(options_->counter_tocdepth,1,1);
 285         fl_set_counter_precision(options_->counter_secnumdepth, 0);
 286         fl_set_counter_precision(options_->counter_tocdepth, 0);
 287         for (n=0; tex_graphics[n][0]; ++n) {
 288                 fl_addto_choice(options_->choice_postscript_driver,
 289                                 tex_graphics[n]);
 290         }
 291         fl_addto_choice(options_->choice_citation_format,
 292                         _(" Author-year | Numerical "));
 293
 294         bc_.addReadOnly (options_->counter_secnumdepth);
 295         bc_.addReadOnly (options_->counter_tocdepth);
 296         bc_.addReadOnly (options_->check_use_amsmath);
 297         bc_.addReadOnly (options_->check_use_natbib);
 298         bc_.addReadOnly (options_->choice_citation_format);
 299         bc_.addReadOnly (options_->input_float_placement);
 300         bc_.addReadOnly (options_->choice_postscript_driver);
 301
 302         // the document bullets form
 303         bullets_.reset(build_doc_bullet());
 304         fl_addto_choice(bullets_->choice_bullet_size,
 305                         _(" default | tiny | script | footnote | small |"
 306                           " normal | large | Large | LARGE | huge | Huge"));
 307         fl_set_choice(bullets_->choice_bullet_size, 1);
 308         fl_set_input_return(bullets_->input_bullet_latex, FL_RETURN_CHANGED);
 309         setPrehandler(bullets_->input_bullet_latex);
 310         fl_set_input_maxchars(bullets_->input_bullet_latex, 80);
 311
 312         bc_.addReadOnly(bullets_->radio_bullet_depth_1);
 313         bc_.addReadOnly(bullets_->radio_bullet_depth_2);
 314         bc_.addReadOnly(bullets_->radio_bullet_depth_3);
 315         bc_.addReadOnly(bullets_->radio_bullet_depth_4);
 316         bc_.addReadOnly(bullets_->radio_bullet_panel_standard);
 317         bc_.addReadOnly(bullets_->radio_bullet_panel_maths);
 318         bc_.addReadOnly(bullets_->radio_bullet_panel_ding1);
 319         bc_.addReadOnly(bullets_->radio_bullet_panel_ding2);
 320         bc_.addReadOnly(bullets_->radio_bullet_panel_ding3);
 321         bc_.addReadOnly(bullets_->radio_bullet_panel_ding4);
 322
 323         bc().addReadOnly (bullets_->bmtable_bullet_panel);
 324         bc().addReadOnly (bullets_->choice_bullet_size);
 325         bc().addReadOnly (bullets_->input_bullet_latex);
 326
 327         fl_addto_tabfolder(dialog_->tabfolder,_("Document"),
 328                            class_->form);
 329         fl_addto_tabfolder(dialog_->tabfolder,_("Paper"),
 330                            paper_->form);
 331         fl_addto_tabfolder(dialog_->tabfolder,_("Language"),
 332                            language_->form);
 333         fl_addto_tabfolder(dialog_->tabfolder,_("Extra"),
 334                            options_->form);
 335         fbullet = fl_addto_tabfolder(dialog_->tabfolder,_("Bullets"),
 336                                      bullets_->form);
 337         if ((XpmVersion < 4) || (XpmVersion == 4 && XpmRevision < 7)) {
 338                 lyxerr << _("Your version of libXpm is older than 4.7.\n"
 339                             "The `bullet' tab of the document dialog "
 340                             "has been disabled") << '\n';
 341                 fl_deactivate_object(fbullet);
 342                 fl_set_object_lcol(fbullet, FL_INACTIVE);
 343         }
 344 }
 345
 346
 347 void FormDocument::apply()
 348 {
 349         if (!lv_->view()->available() || !dialog_.get())
 350                 return;
 351
 352         bool redo = class_apply();
 353         paper_apply();
 354         redo = language_apply() || redo;
 355         redo = options_apply() || redo;
 356         bullets_apply();
 357
 358         if (redo) {
 359                 lv_->view()->redoCurrentBuffer();
 360         }
 361         lv_->buffer()->markDirty();
 362         setMinibuffer(lv_, _("Document layout set"));
 363 }
 364
 365
 366 void FormDocument::cancel()
 367 {
 368         // this avoids confusion when reopening
 369         BufferParams & param = lv_->buffer()->params;
 370         param.temp_bullets[0] = param.user_defined_bullets[0];
 371         param.temp_bullets[1] = param.user_defined_bullets[1];
 372         param.temp_bullets[2] = param.user_defined_bullets[2];
 373         param.temp_bullets[3] = param.user_defined_bullets[3];
 374         hide();
 375 }
 376
 377
 378 void FormDocument::update()
 379 {
 380         if (!dialog_.get())
 381                 return;
 382
 383         checkReadOnly();
 384
 385         BufferParams const & params = lv_->buffer()->params;
 386
 387         class_update(params);
 388         paper_update(params);
 389         language_update(params);
 390         options_update(params);
 391         bullets_update(params);
 392 }
 393
 394
 395 namespace {
 396 // should this go elsewhere? Maybe a ControllerDocument? (JMarc)
 397 /** Save the buffer's parameters as user default.
 398     This function saves a file \c user_lyxdir/templates/defaults.lyx
 399     which parameters are those of the current buffer. This file
 400     is used as a default template when creating a new
 401     file. Returns \c true on success.
 402 */
 403 bool saveParamsAsDefault(BufferParams const &params)
 404 {
 405         if (!Alert::askQuestion(_("Do you want to save the current settings"),
 406                                 _("for the document layout as default?"),
 407                                 _("(they will be valid for any new document)")))
 408                 return false;
 409
 410         string const fname = AddName(AddPath(user_lyxdir, "templates/"),
 411                                      "defaults.lyx");
 412         Buffer defaults = Buffer(fname);
 413         defaults.params = params;
 414
 415         // add an empty paragraph. Is this enough?
 416         defaults.paragraph = new Paragraph;
 417
 418         return defaults.writeFile(defaults.fileName(), false);
 419 }
 420
 421 } //namespace
 422
 423
 424 bool FormDocument::input(FL_OBJECT * ob, long data)
 425 {
 426         State cb = static_cast<State>(data);
 427
 428         switch (cb) {
 429         case CHECKCHOICECLASS:
 430                 CheckChoiceClass(ob, 0);
 431                 break;
 432         case CHOICEBULLETSIZE:
 433                 ChoiceBulletSize(ob, 0);
 434                 break;
 435         case INPUTBULLETLATEX:
 436                 InputBulletLaTeX(ob, 0);
 437                 break;
 438         case BULLETDEPTH1:
 439         case BULLETDEPTH2:
 440         case BULLETDEPTH3:
 441         case BULLETDEPTH4:
 442                 BulletDepth(ob, cb);
 443                 break;
 444         case BULLETPANEL1:
 445         case BULLETPANEL2:
 446         case BULLETPANEL3:
 447         case BULLETPANEL4:
 448         case BULLETPANEL5:
 449         case BULLETPANEL6:
 450                 BulletPanel(ob, cb);
 451                 break;
 452         case BULLETBMTABLE:
 453                 BulletBMTable(ob, 0);
 454                 break;
 455         default:
 456                 break;
 457         }
 458
 459         bool const length_input = fl_get_choice(class_->choice_doc_skip) == 4;
 460         if (ob == class_->choice_doc_skip) {
 461                 setEnabled(class_->input_doc_skip, length_input);
 462                 setEnabled(class_->choice_default_skip_units, length_input);
 463         }
 464
 465         if (ob == class_->choice_doc_spacing)
 466                 setEnabled(class_->input_doc_spacing,
 467                            fl_get_choice(class_->choice_doc_spacing) == 4);
 468
 469         bool const skip_used = fl_get_button(class_->radio_doc_skip);
 470         if (ob == class_->radio_doc_skip ||
 471             ob == class_->radio_doc_indent) {
 472                 setEnabled(class_->choice_doc_skip, skip_used);
 473                 setEnabled(class_->input_doc_skip,
 474                            skip_used && length_input);
 475                 setEnabled(class_->choice_default_skip_units,
 476                            skip_used && length_input);
 477                 // Default unit choice is cm if metric, inches if US paper.
 478                 // If papersize is default, check the lyxrc-settings
 479                 int const paperchoice = fl_get_choice(paper_->choice_papersize);
 480                 bool const metric = (paperchoice == 1 && lyxrc.default_papersize > 3)
 481                         || paperchoice == 2 || paperchoice > 5;
 482                 int const default_unit = metric ? 8 : 9;
 483                 if (strip(fl_get_input(class_->input_doc_skip)).empty())
 484                         fl_set_choice(class_->choice_default_skip_units,
 485                                       default_unit);
 486         }
 487
 488         if (ob == options_->check_use_natbib) {
 489                 setEnabled(options_->choice_citation_format,
 490                            fl_get_button(options_->check_use_natbib));
 491         }
 492
 493         if (ob == dialog_->button_save_defaults) {
 494                 BufferParams params;
 495                 class_apply(params);
 496                 paper_apply(params);
 497                 language_apply(params);
 498                 options_apply(params);
 499                 bullets_apply(params);
 500                 params.preamble = lv_->buffer()->params.preamble;
 501                 saveParamsAsDefault(params);
 502         }
 503
 504         if (ob == dialog_->button_reset_defaults) {
 505                 BufferParams params = lv_->buffer()->params;
 506                 params.textclass = combo_doc_class->get() - 1;
 507                 params.useClassDefaults();
 508                 UpdateLayoutDocument(params);
 509         }
 510
 511         if (ob == paper_->radio_landscape)
 512                 fl_set_choice(paper_->choice_paperpackage,
 513                               BufferParams::PACKAGE_NONE + 1);
 514
 515         if (ob == paper_->choice_papersize) {
 516                 int const paperchoice = fl_get_choice(paper_->choice_papersize);
 517                 bool const defsize = paperchoice == 1;
 518                 bool const custom = paperchoice == 2;
 519                 bool const a3size = paperchoice == 6;
 520                 bool const b3size = paperchoice == 9;
 521                 bool const b4size = paperchoice == 10;
 522
 523                 if (custom)
 524                         fl_set_button(paper_->radio_portrait, 1);
 525
 526                 bool const use_geom = (custom || a3size || b3size || b4size);
 527
 528                 fl_set_button(paper_->check_use_geometry, int(use_geom));
 529
 530                 setEnabled(paper_->input_top_margin,    use_geom);
 531                 setEnabled(paper_->input_bottom_margin, use_geom);
 532                 setEnabled(paper_->input_inner_margin,  use_geom);
 533                 setEnabled(paper_->input_outer_margin,  use_geom);
 534                 setEnabled(paper_->input_head_height,   use_geom);
 535                 setEnabled(paper_->input_head_sep,      use_geom);
 536                 setEnabled(paper_->input_foot_skip,     use_geom);
 537                 setEnabled(paper_->choice_top_margin_units,    use_geom);
 538                 setEnabled(paper_->choice_bottom_margin_units, use_geom);
 539                 setEnabled(paper_->choice_inner_margin_units,  use_geom);
 540                 setEnabled(paper_->choice_outer_margin_units,  use_geom);
 541                 setEnabled(paper_->choice_head_height_units,   use_geom);
 542                 setEnabled(paper_->choice_head_sep_units,      use_geom);
 543                 setEnabled(paper_->choice_foot_skip_units,     use_geom);
 544                 setEnabled(paper_->choice_custom_width_units,  use_geom);
 545                 setEnabled(paper_->choice_custom_height_units, use_geom);
 546
 547                 setEnabled(paper_->input_custom_width,  custom);
 548                 setEnabled(paper_->input_custom_height, custom);
 549                 setEnabled(paper_->choice_custom_width_units,  custom);
 550                 setEnabled(paper_->choice_custom_height_units, custom);
 551                 setEnabled(paper_->radio_portrait,  !custom);
 552                 setEnabled(paper_->radio_landscape, !custom);
 553
 554                 // Default unit choice is cm if metric, inches if US paper.
 555                 // If papersize is default, use the lyxrc-settings
 556                 bool const metric = (defsize && lyxrc.default_papersize > 3)
 557                         || paperchoice == 2 || paperchoice > 5;
 558                 int const default_unit = metric ? 8 : 9;
 559                 if (strip(fl_get_input(paper_->input_custom_width)).empty())
 560                         fl_set_choice(paper_->choice_custom_width_units,
 561                                       default_unit);
 562                 if (strip(fl_get_input(paper_->input_custom_height)).empty())
 563                         fl_set_choice(paper_->choice_custom_height_units,
 564                                       default_unit);
 565                 if (strip(fl_get_input(paper_->input_top_margin)).empty())
 566                         fl_set_choice(paper_->choice_top_margin_units,
 567                                       default_unit);
 568                 if (strip(fl_get_input(paper_->input_bottom_margin)).empty())
 569                         fl_set_choice(paper_->choice_bottom_margin_units,
 570                                       default_unit);
 571                 if (strip(fl_get_input(paper_->input_inner_margin)).empty())
 572                         fl_set_choice(paper_->choice_inner_margin_units,
 573                                       default_unit);
 574                 if (strip(fl_get_input(paper_->input_outer_margin)).empty())
 575                         fl_set_choice(paper_->choice_outer_margin_units,
 576                                       default_unit);
 577                 if (strip(fl_get_input(paper_->input_head_height)).empty())
 578                         fl_set_choice(paper_->choice_head_height_units,
 579                                       default_unit);
 580                 if (strip(fl_get_input(paper_->input_head_sep)).empty())
 581                         fl_set_choice(paper_->choice_head_sep_units,
 582                                       default_unit);
 583                 if (strip(fl_get_input(paper_->input_foot_skip)).empty())
 584                         fl_set_choice(paper_->choice_foot_skip_units,
 585                                       default_unit);
 586         }
 587
 588         if (ob == paper_->choice_papersize ||
 589             ob == paper_->radio_portrait ||
 590             ob == paper_->radio_landscape) {
 591
 592                 setEnabled(paper_->choice_paperpackage,
 593                            //either default papersize (preferences)
 594                            //or document papersize has to be A4
 595                            (fl_get_choice(paper_->choice_papersize) == 7
 596                             || fl_get_choice(paper_->choice_papersize) == 1
 597                             && lyxrc.default_papersize == 5)
 598                            && fl_get_button(paper_->radio_portrait));
 599         }
 600
 601         if (ob == paper_->choice_paperpackage) {
 602                 if (fl_get_choice(paper_->choice_paperpackage) != 1) {
 603                         fl_set_button(paper_->check_use_geometry, 0);
 604
 605                         setEnabled(paper_->input_top_margin,    false);
 606                         setEnabled(paper_->input_bottom_margin, false);
 607                         setEnabled(paper_->input_inner_margin,  false);
 608                         setEnabled(paper_->input_outer_margin,  false);
 609                         setEnabled(paper_->input_head_height,   false);
 610                         setEnabled(paper_->input_head_sep,      false);
 611                         setEnabled(paper_->input_foot_skip,     false);
 612                         setEnabled(paper_->choice_top_margin_units,    false);
 613                         setEnabled(paper_->choice_bottom_margin_units, false);
 614                         setEnabled(paper_->choice_inner_margin_units,  false);
 615                         setEnabled(paper_->choice_outer_margin_units,  false);
 616                         setEnabled(paper_->choice_head_height_units,   false);
 617                         setEnabled(paper_->choice_head_sep_units,      false);
 618                         setEnabled(paper_->choice_foot_skip_units,     false);
 619                 }
 620         }
 621
 622         if (ob == paper_->check_use_geometry) {
 623                 //don't allow switching geometry off in custom papersize mode
 624                 //nor in A3, B3, and B4
 625                 int const choice = fl_get_choice(paper_->choice_papersize);
 626                 if (choice == 2 || choice == 6 || choice == 9 || choice == 10)
 627                         fl_set_button(paper_->check_use_geometry, 1);
 628
 629                 fl_set_choice(paper_->choice_paperpackage,
 630                               BufferParams::PACKAGE_NONE + 1);
 631
 632                 bool const use_geom = fl_get_button(paper_->check_use_geometry);
 633                 setEnabled(paper_->input_top_margin,    use_geom);
 634                 setEnabled(paper_->input_bottom_margin, use_geom);
 635                 setEnabled(paper_->input_inner_margin,  use_geom);
 636                 setEnabled(paper_->input_outer_margin,  use_geom);
 637                 setEnabled(paper_->input_head_height,   use_geom);
 638                 setEnabled(paper_->input_head_sep,      use_geom);
 639                 setEnabled(paper_->input_foot_skip,     use_geom);
 640                 setEnabled(paper_->choice_top_margin_units,    use_geom);
 641                 setEnabled(paper_->choice_bottom_margin_units, use_geom);
 642                 setEnabled(paper_->choice_inner_margin_units,  use_geom);
 643                 setEnabled(paper_->choice_outer_margin_units,  use_geom);
 644                 setEnabled(paper_->choice_head_height_units,   use_geom);
 645                 setEnabled(paper_->choice_head_sep_units,      use_geom);
 646                 setEnabled(paper_->choice_foot_skip_units,     use_geom);
 647         }
 648
 649         switch (data) {
 650         case INPUT:
 651         case CHECKCHOICECLASS:
 652         case CHOICEBULLETSIZE:
 653         case INPUTBULLETLATEX:
 654         case BULLETBMTABLE:
 655                 return CheckDocumentInput(ob, 0);
 656         default:
 657                 break;
 658         }
 659
 660         return true;
 661 }
 662
 663
 664 void FormDocument::ComboInputCB(int, void * v, Combox * combox)
 665 {
 666         FormDocument * pre = static_cast<FormDocument*>(v);
 667         if (combox == pre->combo_doc_class.get())
 668                 pre->CheckChoiceClass(0, 0);
 669         pre->bc().valid(pre->CheckDocumentInput(0,0));
 670 }
 671
 672
 673 bool FormDocument::class_apply(BufferParams &params)
 674 {
 675         bool redo = false;
 676
 677         // If default skip is a "Length" but there's no text in the
 678         // input field, reset the kind to "Medskip", which is the default.
 679         if ((fl_get_choice (class_->choice_doc_skip) == 4) &&
 680             !*(fl_get_input (class_->input_doc_skip))) {
 681                 fl_set_choice (class_->choice_doc_skip, 2);
 682         }
 683         params.fonts = fl_get_choice_text(class_->choice_doc_fonts);
 684         params.fontsize = fl_get_choice_text(class_->choice_doc_fontsize);
 685         params.pagestyle = fl_get_choice_text(class_->choice_doc_pagestyle);
 686
 687         params.textclass = combo_doc_class->get() - 1;
 688
 689         BufferParams::PARSEP tmpsep = params.paragraph_separation;
 690         if (fl_get_button(class_->radio_doc_indent))
 691                 params.paragraph_separation = BufferParams::PARSEP_INDENT;
 692         else
 693                 params.paragraph_separation = BufferParams::PARSEP_SKIP;
 694         if (tmpsep != params.paragraph_separation)
 695                 redo = true;
 696
 697         VSpace tmpdefskip = params.getDefSkip();
 698         switch (fl_get_choice (class_->choice_doc_skip)) {
 699         case 1:
 700                 params.setDefSkip(VSpace(VSpace::SMALLSKIP));
 701                 break;
 702         case 2:
 703                 params.setDefSkip(VSpace(VSpace::MEDSKIP));
 704                 break;
 705         case 3:
 706                 params.setDefSkip(VSpace(VSpace::BIGSKIP));
 707                 break;
 708         case 4:
 709         {
 710                 string const length =
 711                         getLengthFromWidgets(class_->input_doc_skip,
 712                                              class_->choice_default_skip_units);
 713
 714                 params.setDefSkip(VSpace(LyXGlueLength(length)));
 715                 break;
 716         }
 717         default:
 718                 // DocumentDefskipCB assures that this never happens
 719                 params.setDefSkip(VSpace(VSpace::MEDSKIP));
 720                 break;
 721         }
 722         if (!(tmpdefskip == params.getDefSkip()))
 723                 redo = true;
 724
 725         if (fl_get_button(class_->radio_doc_columns_two))
 726                 params.columns = 2;
 727         else
 728                 params.columns = 1;
 729         if (fl_get_button(class_->radio_doc_sides_two))
 730                 params.sides = LyXTextClass::TwoSides;
 731         else
 732                 params.sides = LyXTextClass::OneSide;
 733
 734         Spacing tmpSpacing = params.spacing;
 735         switch (fl_get_choice(class_->choice_doc_spacing)) {
 736         case 1:
 737                 lyxerr[Debug::INFO] << "Spacing: SINGLE\n";
 738                 params.spacing.set(Spacing::Single);
 739                 break;
 740         case 2:
 741                 lyxerr[Debug::INFO] << "Spacing: ONEHALF\n";
 742                 params.spacing.set(Spacing::Onehalf);
 743                 break;
 744         case 3:
 745                 lyxerr[Debug::INFO] << "Spacing: DOUBLE\n";
 746                 params.spacing.set(Spacing::Double);
 747                 break;
 748         case 4:
 749                 lyxerr[Debug::INFO] << "Spacing: OTHER\n";
 750                 params.spacing.set(Spacing::Other,
 751                                    fl_get_input(class_->input_doc_spacing));
 752                 break;
 753         }
 754         if (tmpSpacing != params.spacing)
 755                 redo = true;
 756
 757         params.options = fl_get_input(class_->input_doc_extra);
 758
 759         return redo;
 760 }
 761
 762
 763 bool FormDocument::class_apply()
 764 {
 765         BufferParams &params = lv_->buffer()->params;
 766
 767         unsigned int const old_class = params.textclass;
 768
 769         bool redo = class_apply(params);
 770
 771         if (params.textclass != old_class) {
 772                 // try to load new_class
 773                 if (textclasslist[params.textclass].load()) {
 774                         // successfully loaded
 775                         redo = true;
 776                         setMinibuffer(lv_, _("Converting document to new document class..."));
 777                         int ret = CutAndPaste::SwitchLayoutsBetweenClasses(
 778                                 old_class, params.textclass,
 779                                 lv_->buffer()->paragraph,
 780                                 lv_->buffer()->params);
 781                         if (ret) {
 782                                 string s;
 783                                 if (ret == 1) {
 784                                         s = _("One paragraph couldn't be converted");
 785                                 } else {
 786                                         s += tostr(ret);
 787                                         s += _(" paragraphs couldn't be converted");
 788                                 }
 789                                 Alert::alert(_("Conversion Errors!"),s,
 790                                              _("into chosen document class"));
 791                         }
 792
 793                 } else {
 794                         // problem changing class -- warn user and retain old style
 795                         Alert::alert(_("Conversion Errors!"),
 796                                      _("Errors loading new document class."),
 797                                      _("Reverting to original document class."));
 798                         combo_doc_class->select(int(old_class) + 1);
 799                 }
 800         }
 801
 802         return redo;
 803 }
 804
 805
 806 void FormDocument::paper_apply(BufferParams & params)
 807 {
 808         params.papersize2 = char(fl_get_choice(paper_->choice_papersize)-1);
 809
 810         params.paperpackage =
 811                 char(fl_get_choice(paper_->choice_paperpackage)-1);
 812
 813         // set params.papersize from params.papersize2 and params.paperpackage
 814         params.setPaperStuff();
 815
 816         params.use_geometry = fl_get_button(paper_->check_use_geometry);
 817
 818         if (fl_get_button(paper_->radio_landscape))
 819                 params.orientation = BufferParams::ORIENTATION_LANDSCAPE;
 820         else
 821                 params.orientation = BufferParams::ORIENTATION_PORTRAIT;
 822
 823         params.paperwidth =
 824                 getLengthFromWidgets(paper_->input_custom_width,
 825                                      paper_->choice_custom_width_units);
 826
 827         params.paperheight =
 828                 getLengthFromWidgets(paper_->input_custom_height,
 829                                      paper_->choice_custom_height_units);
 830
 831         params.leftmargin =
 832                 getLengthFromWidgets(paper_->input_inner_margin,
 833                                      paper_->choice_inner_margin_units);
 834
 835         params.topmargin =
 836                 getLengthFromWidgets(paper_->input_top_margin,
 837                                      paper_->choice_top_margin_units);
 838
 839         params.rightmargin =
 840                 getLengthFromWidgets(paper_->input_outer_margin,
 841                                      paper_->choice_outer_margin_units);
 842
 843         params.bottommargin =
 844                 getLengthFromWidgets(paper_->input_bottom_margin,
 845                                      paper_->choice_bottom_margin_units);
 846
 847         params.headheight =
 848                 getLengthFromWidgets(paper_->input_head_height,
 849                                      paper_->choice_head_height_units);
 850
 851         params.headsep =
 852                 getLengthFromWidgets(paper_->input_head_sep,
 853                                      paper_->choice_head_sep_units);
 854
 855         params.footskip =
 856                 getLengthFromWidgets(paper_->input_foot_skip,
 857                                      paper_->choice_foot_skip_units);
 858 }
 859
 860
 861 void FormDocument::paper_apply()
 862 {
 863         paper_apply(lv_->buffer()->params);
 864 }
 865
 866
 867 bool FormDocument::language_apply(BufferParams & params)
 868 {
 869         InsetQuotes::quote_language lga = InsetQuotes::EnglishQ;
 870         bool redo = false;
 871
 872         switch (fl_get_choice(language_->choice_quotes_language) - 1) {
 873         case 0:
 874                 lga = InsetQuotes::EnglishQ;
 875                 break;
 876         case 1:
 877                 lga = InsetQuotes::SwedishQ;
 878                 break;
 879         case 2:
 880                 lga = InsetQuotes::GermanQ;
 881                 break;
 882         case 3:
 883                 lga = InsetQuotes::PolishQ;
 884                 break;
 885         case 4:
 886                 lga = InsetQuotes::FrenchQ;
 887                 break;
 888         case 5:
 889                 lga = InsetQuotes::DanishQ;
 890                 break;
 891         }
 892         params.quotes_language = lga;
 893         if (fl_get_button(language_->radio_single))
 894                 params.quotes_times = InsetQuotes::SingleQ;
 895         else
 896                 params.quotes_times = InsetQuotes::DoubleQ;
 897
 898         int const pos = combo_language->get();
 899         Language const * old_language = params.language;
 900         Language const * new_language = languages.getLanguage(lang_[pos-1]);
 901         if (!new_language)
 902                 new_language = default_language;
 903
 904         if (old_language != new_language
 905             && old_language->RightToLeft() == new_language->RightToLeft()
 906             && !lv_->buffer()->isMultiLingual())
 907                 lv_->buffer()->changeLanguage(old_language, new_language);
 908
 909         if (old_language != new_language) {
 910                 redo = true;
 911         }
 912
 913         params.language = new_language;
 914         params.inputenc = fl_get_choice_text(language_->choice_inputenc);
 915
 916         return redo;
 917 }
 918
 919
 920 bool FormDocument::language_apply()
 921 {
 922         return language_apply(lv_->buffer()->params);
 923 }
 924
 925
 926 bool FormDocument::options_apply(BufferParams & params)
 927 {
 928         bool redo = false;
 929
 930         params.graphicsDriver =
 931                 fl_get_choice_text(options_->choice_postscript_driver);
 932         params.use_amsmath = fl_get_button(options_->check_use_amsmath);
 933         params.use_natbib  = fl_get_button(options_->check_use_natbib);
 934         params.use_numerical_citations  =
 935                 fl_get_choice(options_->choice_citation_format)-1;
 936
 937         int tmpchar = int(fl_get_counter_value(options_->counter_secnumdepth));
 938         if (params.secnumdepth != tmpchar)
 939                 redo = true;
 940         params.secnumdepth = tmpchar;
 941
 942         params.tocdepth = int(fl_get_counter_value(options_->counter_tocdepth));
 943
 944         params.float_placement =
 945                 fl_get_input(options_->input_float_placement);
 946
 947         return redo;
 948 }
 949
 950
 951 bool FormDocument::options_apply()
 952 {
 953         return options_apply(lv_->buffer()->params);
 954 }
 955
 956
 957 void FormDocument::bullets_apply(BufferParams & params)
 958 {
 959         /* update the bullet settings */
 960         BufferParams & buf_params = lv_->buffer()->params;
 961
 962         // a little bit of loop unrolling
 963         params.user_defined_bullets[0] = buf_params.temp_bullets[0];
 964         params.user_defined_bullets[1] = buf_params.temp_bullets[1];
 965         params.user_defined_bullets[2] = buf_params.temp_bullets[2];
 966         params.user_defined_bullets[3] = buf_params.temp_bullets[3];
 967 }
 968
 969
 970 void FormDocument::bullets_apply()
 971 {
 972         bullets_apply(lv_->buffer()->params);
 973 }
 974
 975 void FormDocument::UpdateClassParams(BufferParams const & params)
 976 {
 977         // These are the params that have to be updated on any class change
 978         // (even if the class defaults are not used) (JSpitzm 2002-04-08)
 979
 980         LyXTextClass const & tclass = textclasslist[params.textclass];
 981
 982         combo_doc_class->select(tclass.description());
 983         fl_clear_choice(class_->choice_doc_fontsize);
 984         fl_addto_choice(class_->choice_doc_fontsize, "default");
 985         fl_addto_choice(class_->choice_doc_fontsize,
 986                         tclass.opt_fontsize().c_str());
 987         fl_set_choice_text(class_->choice_doc_fontsize,
 988                         params.fontsize.c_str());
 989         fl_clear_choice(class_->choice_doc_pagestyle);
 990         fl_addto_choice(class_->choice_doc_pagestyle, "default");
 991         fl_addto_choice(class_->choice_doc_pagestyle,
 992                         tclass.opt_pagestyle().c_str());
 993         fl_set_choice_text(class_->choice_doc_pagestyle,
 994                         params.pagestyle.c_str());
 995
 996 }
 997
 998 void FormDocument::class_update(BufferParams const & params)
 999 {
1000         if (!class_.get())
1001                 return;
1002
1003         UpdateClassParams(params);
1004
1005         fl_set_choice_text(class_->choice_doc_fonts,
1006                 params.fonts.c_str());
1007         fl_set_button(class_->radio_doc_indent, 0);
1008         fl_set_button(class_->radio_doc_skip, 0);
1009         if (params.paragraph_separation == BufferParams::PARSEP_INDENT)
1010                 fl_set_button(class_->radio_doc_indent, 1);
1011         else
1012                 fl_set_button(class_->radio_doc_skip, 1);
1013
1014         bool const input_length = fl_get_choice(class_->choice_doc_skip) == 4;
1015         setEnabled(class_->choice_default_skip_units, input_length);
1016         setEnabled(class_->input_doc_skip, input_length);
1017
1018         switch (params.getDefSkip().kind()) {
1019         case VSpace::SMALLSKIP:
1020                 fl_set_choice (class_->choice_doc_skip, 1);
1021                 break;
1022         case VSpace::MEDSKIP:
1023                 fl_set_choice (class_->choice_doc_skip, 2);
1024                 break;
1025         case VSpace::BIGSKIP:
1026                 fl_set_choice (class_->choice_doc_skip, 3);
1027                 break;
1028         case VSpace::LENGTH:
1029         {
1030                 int const paperchoice = fl_get_choice(paper_->choice_papersize);
1031                 bool const metric = (paperchoice == 1 && lyxrc.default_papersize > 3)
1032                         || paperchoice == 2 || paperchoice > 5;
1033                 string const default_unit = metric ? "cm" : "in";
1034                 string const length = params.getDefSkip().asLyXCommand();
1035                 updateWidgetsFromLengthString(class_->input_doc_skip,
1036                                               class_->choice_default_skip_units,
1037                                               length, default_unit);
1038                 break;
1039         }
1040         default:
1041                 fl_set_choice (class_->choice_doc_skip, 2);
1042                 break;
1043         }
1044         fl_set_button(class_->radio_doc_sides_one, 0);
1045         fl_set_button(class_->radio_doc_sides_two, 0);
1046         setEnabled(class_->choice_doc_skip,
1047                    fl_get_button(class_->radio_doc_skip));
1048
1049         if (params.sides == LyXTextClass::TwoSides)
1050                 fl_set_button(class_->radio_doc_sides_two, 1);
1051         else
1052                 fl_set_button(class_->radio_doc_sides_one, 1);
1053         fl_set_button(class_->radio_doc_columns_one, 0);
1054         fl_set_button(class_->radio_doc_columns_two, 0);
1055         if (params.columns == 2)
1056                 fl_set_button(class_->radio_doc_columns_two, 1);
1057         else
1058                 fl_set_button(class_->radio_doc_columns_one, 1);
1059
1060         fl_set_input(class_->input_doc_spacing, "");
1061         setEnabled(class_->input_doc_spacing, false);
1062
1063         switch (params.spacing.getSpace()) {
1064         case Spacing::Default: // nothing bad should happen with this
1065         case Spacing::Single:
1066                 // \singlespacing
1067                 fl_set_choice(class_->choice_doc_spacing, 1);
1068                 break;
1069         case Spacing::Onehalf:
1070                 // \onehalfspacing
1071                 fl_set_choice(class_->choice_doc_spacing, 2);
1072                 break;
1073         case Spacing::Double:
1074                 // \doublespacing
1075                 fl_set_choice(class_->choice_doc_spacing, 3);
1076                 break;
1077         case Spacing::Other:
1078         {
1079                 fl_set_choice(class_->choice_doc_spacing, 4);
1080                 char sval[20];
1081                 sprintf(sval,"%g",params.spacing.getValue());
1082                 fl_set_input(class_->input_doc_spacing, sval);
1083                 setEnabled(class_->input_doc_spacing, true);
1084                 break;
1085         }
1086         }
1087         if (!params.options.empty())
1088                 fl_set_input(class_->input_doc_extra, params.options.c_str());
1089         else
1090                 fl_set_input(class_->input_doc_extra, "");
1091 }
1092
1093
1094 void FormDocument::language_update(BufferParams const & params)
1095 {
1096         if (!language_.get())
1097                 return;
1098
1099         int const pos = int(findPos(lang_, params.language->lang()));
1100         combo_language->select(pos+1);
1101
1102         fl_set_choice_text(language_->choice_inputenc, params.inputenc.c_str());
1103         fl_set_choice(language_->choice_quotes_language, params.quotes_language + 1);
1104         fl_set_button(language_->radio_single, 0);
1105         fl_set_button(language_->radio_double, 0);
1106         if (params.quotes_times == InsetQuotes::SingleQ)
1107                 fl_set_button(language_->radio_single, 1);
1108         else
1109                 fl_set_button(language_->radio_double, 1);
1110 }
1111
1112
1113 void FormDocument::options_update(BufferParams const & params)
1114 {
1115         if (!options_.get())
1116                 return;
1117
1118         fl_set_choice_text(options_->choice_postscript_driver,
1119                            params.graphicsDriver.c_str());
1120         fl_set_button(options_->check_use_amsmath, params.use_amsmath);
1121         fl_set_button(options_->check_use_natbib,  params.use_natbib);
1122         fl_set_choice(options_->choice_citation_format,
1123                       int(params.use_numerical_citations)+1);
1124         setEnabled(options_->choice_citation_format, params.use_natbib);
1125         fl_set_counter_value(options_->counter_secnumdepth, params.secnumdepth);
1126         fl_set_counter_value(options_->counter_tocdepth, params.tocdepth);
1127         if (!params.float_placement.empty())
1128                 fl_set_input(options_->input_float_placement,
1129                              params.float_placement.c_str());
1130         else
1131                 fl_set_input(options_->input_float_placement, "");
1132 }
1133
1134
1135 void FormDocument::paper_update(BufferParams const & params)
1136 {
1137         if (!paper_.get())
1138                 return;
1139
1140         fl_set_choice(paper_->choice_papersize, params.papersize2 + 1);
1141         fl_set_choice(paper_->choice_paperpackage, params.paperpackage + 1);
1142         fl_set_button(paper_->check_use_geometry, params.use_geometry);
1143
1144         int const paperchoice = fl_get_choice(paper_->choice_papersize);
1145         bool const useCustom = paperchoice == 2;
1146         bool const useGeom = fl_get_button(paper_->check_use_geometry);
1147
1148         fl_set_button(paper_->radio_portrait, 0);
1149         setEnabled(paper_->radio_portrait, !useCustom);
1150         fl_set_button(paper_->radio_landscape, 0);
1151         setEnabled(paper_->radio_landscape, !useCustom);
1152
1153         if (params.orientation == BufferParams::ORIENTATION_LANDSCAPE)
1154                 fl_set_button(paper_->radio_landscape, 1);
1155         else
1156                 fl_set_button(paper_->radio_portrait, 1);
1157         setEnabled(paper_->choice_paperpackage,
1158                    //either default papersize (preferences)
1159                    //or document papersize has to be A4
1160                    (paperchoice == 7
1161                     || paperchoice == 1 && lyxrc.default_papersize == 5)
1162                    && fl_get_button(paper_->radio_portrait));
1163
1164         // Default unit choice is cm if metric, inches if US paper.
1165         bool const metric = (paperchoice == 1 && lyxrc.default_papersize > 3)
1166                 || paperchoice == 2 || paperchoice > 5;
1167         string const default_unit = metric ? "cm" : "in";
1168         updateWidgetsFromLengthString(paper_->input_custom_width,
1169                                       paper_->choice_custom_width_units,
1170                                       params.paperwidth, default_unit);
1171         setEnabled(paper_->input_custom_width, useCustom);
1172         setEnabled(paper_->choice_custom_width_units, useCustom);
1173
1174         updateWidgetsFromLengthString(paper_->input_custom_height,
1175                                       paper_->choice_custom_height_units,
1176                                       params.paperheight, default_unit);
1177         setEnabled(paper_->input_custom_height, useCustom);
1178         setEnabled(paper_->choice_custom_height_units, useCustom);
1179
1180         updateWidgetsFromLengthString(paper_->input_inner_margin,
1181                                       paper_->choice_inner_margin_units,
1182                                       params.leftmargin, default_unit);
1183         setEnabled(paper_->input_inner_margin, useGeom);
1184         setEnabled(paper_->choice_inner_margin_units, useGeom);
1185
1186         updateWidgetsFromLengthString(paper_->input_top_margin,
1187                                       paper_->choice_top_margin_units,
1188                                       params.topmargin, default_unit);
1189         setEnabled(paper_->input_top_margin, useGeom);
1190         setEnabled(paper_->choice_top_margin_units, useGeom);
1191
1192         updateWidgetsFromLengthString(paper_->input_outer_margin,
1193                                       paper_->choice_outer_margin_units,
1194                                       params.rightmargin, default_unit);
1195         setEnabled(paper_->input_outer_margin, useGeom);
1196         setEnabled(paper_->choice_outer_margin_units, useGeom);
1197
1198         updateWidgetsFromLengthString(paper_->input_bottom_margin,
1199                                       paper_->choice_bottom_margin_units,
1200                                       params.bottommargin, default_unit);
1201         setEnabled(paper_->input_bottom_margin, useGeom);
1202         setEnabled(paper_->choice_bottom_margin_units, useGeom);
1203
1204         updateWidgetsFromLengthString(paper_->input_head_height,
1205                                       paper_->choice_head_height_units,
1206                                       params.headheight, default_unit);
1207         setEnabled(paper_->input_head_height, useGeom);
1208         setEnabled(paper_->choice_head_height_units, useGeom);
1209
1210         updateWidgetsFromLengthString(paper_->input_head_sep,
1211                                       paper_->choice_head_sep_units,
1212                                       params.headsep, default_unit);
1213         setEnabled(paper_->input_head_sep, useGeom);
1214         setEnabled(paper_->choice_head_sep_units, useGeom);
1215
1216         updateWidgetsFromLengthString(paper_->input_foot_skip,
1217                                       paper_->choice_foot_skip_units,
1218                                       params.footskip, default_unit);
1219         setEnabled(paper_->input_foot_skip, useGeom);
1220         setEnabled(paper_->choice_foot_skip_units, useGeom);
1221
1222         fl_set_focus_object(paper_->form, paper_->choice_papersize);
1223 }
1224
1225
1226 void FormDocument::bullets_update(BufferParams const & params)
1227 {
1228         if (!bullets_.get() ||
1229             ((XpmVersion<4) ||
1230              (XpmVersion==4 && XpmRevision<7)))
1231                 return;
1232
1233         bool const isLinuxDoc = lv_->buffer()->isLinuxDoc();
1234         setEnabled(fbullet, !isLinuxDoc);
1235
1236         if (isLinuxDoc) return;
1237
1238         fl_set_button(bullets_->radio_bullet_depth_1, 1);
1239         fl_set_input(bullets_->input_bullet_latex,
1240                      params.user_defined_bullets[0].getText().c_str());
1241         fl_set_choice(bullets_->choice_bullet_size,
1242                       params.user_defined_bullets[0].getSize() + 2);
1243 }
1244
1245
1246 void FormDocument::checkReadOnly()
1247 {
1248         if (bc().readOnly(lv_->buffer()->isReadonly())) {
1249                 combo_doc_class->deactivate();
1250                 combo_language->deactivate();
1251                 postWarning(_("Document is read-only."
1252                               " No changes to layout permitted."));
1253         } else {
1254                 combo_doc_class->activate();
1255                 combo_language->activate();
1256                 clearMessage();
1257         }
1258 }
1259
1260
1261 bool FormDocument::CheckDocumentInput(FL_OBJECT * ob, long)
1262 {
1263         string str;
1264         bool ok = true;
1265         char const * input;
1266
1267         // this has to be all out of if/elseif because it has to deactivate
1268         // the document buttons and so the whole stuff has to be tested again.
1269         // disable OK/Apply if input is not valid
1270         str = fl_get_input(class_->input_doc_skip);
1271         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1272         str = fl_get_input(paper_->input_custom_width);
1273         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1274         str = fl_get_input(paper_->input_custom_height);
1275         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1276         str = fl_get_input(paper_->input_outer_margin);
1277         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1278         str = fl_get_input(paper_->input_inner_margin);
1279         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1280         str = fl_get_input(paper_->input_top_margin);
1281         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1282         str = fl_get_input(paper_->input_bottom_margin);
1283         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1284         str = fl_get_input(paper_->input_head_height);
1285         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1286         str = fl_get_input(paper_->input_head_sep);
1287         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1288         str = fl_get_input(paper_->input_foot_skip);
1289         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1290
1291         //display warning if input is not valid
1292         if (ob == class_->input_doc_skip
1293             || ob == paper_->input_custom_width
1294             || ob == paper_->input_custom_height
1295             || ob == paper_->input_outer_margin
1296             || ob == paper_->input_inner_margin
1297             || ob == paper_->input_top_margin
1298             || ob == paper_->input_bottom_margin
1299             || ob == paper_->input_head_height
1300             || ob == paper_->input_head_sep
1301             || ob == paper_->input_foot_skip) {
1302                 if (!ok) {
1303                         postWarning(_("Invalid Length (valid example: 10mm)"));
1304                         return false;
1305                 } else {
1306                         clearMessage();
1307                         return true;
1308                 }
1309         }
1310
1311         // "Synchronize" the choice and the input field, so that it
1312         // is impossible to commit senseless data.
1313         input = fl_get_input (class_->input_doc_skip);
1314         if ((fl_get_choice(class_->choice_doc_skip) == 4) && !*input)
1315                 ok = false;
1316         else if (fl_get_choice(class_->choice_doc_skip) != 4)
1317                 fl_set_input (class_->input_doc_skip, "");
1318
1319         input = fl_get_input(class_->input_doc_spacing);
1320         if ((fl_get_choice(class_->choice_doc_spacing) == 4) && !*input)
1321                 ok = false;
1322         else if (fl_get_choice(class_->choice_doc_spacing) != 4)
1323                 fl_set_input (class_->input_doc_spacing, "");
1324         return ok;
1325 }
1326
1327
1328 void FormDocument::ChoiceBulletSize(FL_OBJECT * ob, long /*data*/)
1329 {
1330         BufferParams & param = lv_->buffer()->params;
1331
1332         // convert from 1-6 range to -1-4
1333         param.temp_bullets[current_bullet_depth].setSize(fl_get_choice(ob) - 2);
1334         fl_set_input(bullets_->input_bullet_latex,
1335                      param.temp_bullets[current_bullet_depth].getText().c_str());
1336 }
1337
1338
1339 void FormDocument::InputBulletLaTeX(FL_OBJECT *, long)
1340 {
1341         BufferParams & param = lv_->buffer()->params;
1342
1343         param.temp_bullets[current_bullet_depth].
1344                 setText(fl_get_input(bullets_->input_bullet_latex));
1345 }
1346
1347
1348 void FormDocument::BulletDepth(FL_OBJECT * ob, State cb)
1349 {
1350         /* Should I do the following:                                 */
1351         /*  1. change to the panel that the current bullet belongs in */
1352         /*  2. show that bullet as selected                           */
1353         /*  3. change the size setting to the size of the bullet in Q.*/
1354         /*  4. display the latex equivalent in the latex box          */
1355         /*                                                            */
1356         /* I'm inclined to just go with 3 and 4 at the moment and     */
1357         /* maybe try to support the others later                      */
1358         BufferParams & param = lv_->buffer()->params;
1359
1360         int data = 0;
1361         if (cb == BULLETDEPTH1)
1362                 data = 0;
1363         else if (cb == BULLETDEPTH2)
1364                 data = 1;
1365         else if (cb == BULLETDEPTH3)
1366                 data = 2;
1367         else if (cb == BULLETDEPTH4)
1368                 data = 3;
1369
1370         switch (fl_get_button_numb(ob)) {
1371         case 3:
1372                 // right mouse button resets to default
1373                 param.temp_bullets[data] = ITEMIZE_DEFAULTS[data];
1374         default:
1375                 current_bullet_depth = data;
1376                 fl_set_input(bullets_->input_bullet_latex,
1377                              param.temp_bullets[data].getText().c_str());
1378                 fl_set_choice(bullets_->choice_bullet_size,
1379                               param.temp_bullets[data].getSize() + 2);
1380         }
1381 }
1382
1383
1384 void FormDocument::BulletPanel(FL_OBJECT * /*ob*/, State cb)
1385 {
1386         /* Here we have to change the background pixmap to that selected */
1387         /* by the user. (eg. standard.xpm, psnfss1.xpm etc...)           */
1388
1389         int data = 0;
1390         if (cb == BULLETPANEL1)
1391                 data = 0;
1392         else if (cb == BULLETPANEL2)
1393                 data = 1;
1394         else if (cb == BULLETPANEL3)
1395                 data = 2;
1396         else if (cb == BULLETPANEL4)
1397                 data = 3;
1398         else if (cb == BULLETPANEL5)
1399                 data = 4;
1400         else if (cb == BULLETPANEL6)
1401                 data = 5;
1402
1403         if (data != current_bullet_panel) {
1404                 fl_freeze_form(bullets_->form);
1405                 current_bullet_panel = data;
1406
1407                 /* free the current pixmap */
1408                 fl_free_bmtable_pixmap(bullets_->bmtable_bullet_panel);
1409                 string new_panel;
1410                 switch (cb) {
1411                         /* display the new one */
1412                 case BULLETPANEL1 :
1413                         new_panel = "standard";
1414                         break;
1415                 case BULLETPANEL2 :
1416                         new_panel = "amssymb";
1417                         break;
1418                 case BULLETPANEL3 :
1419                         new_panel = "psnfss1";
1420                         break;
1421                 case BULLETPANEL4 :
1422                         new_panel = "psnfss2";
1423                         break;
1424                 case BULLETPANEL5 :
1425                         new_panel = "psnfss3";
1426                         break;
1427                 case BULLETPANEL6 :
1428                         new_panel = "psnfss4";
1429                         break;
1430                 default :
1431                         /* something very wrong happened */
1432                         // play it safe for now but should be an exception
1433                         current_bullet_panel = 0;  // standard panel
1434                         new_panel = "standard";
1435                         break;
1436                 }
1437                 new_panel += ".xpm";
1438                 fl_set_bmtable_pixmap_file(bullets_->bmtable_bullet_panel, 6, 6,
1439                                            LibFileSearch("images", new_panel).c_str());
1440                 fl_redraw_object(bullets_->bmtable_bullet_panel);
1441                 fl_unfreeze_form(bullets_->form);
1442         }
1443 }
1444
1445
1446 void FormDocument::BulletBMTable(FL_OBJECT * ob, long /*data*/)
1447 {
1448         /* handle the user input by setting the current bullet depth's pixmap */
1449         /* to that extracted from the current chosen position of the BMTable  */
1450         /* Don't forget to free the button's old pixmap first.                */
1451
1452         BufferParams & param = lv_->buffer()->params;
1453         int bmtable_button = fl_get_bmtable(ob);
1454
1455         /* try to keep the button held down till another is pushed */
1456         /*  fl_set_bmtable(ob, 1, bmtable_button); */
1457         param.temp_bullets[current_bullet_depth].setFont(current_bullet_panel);
1458         param.temp_bullets[current_bullet_depth].setCharacter(bmtable_button);
1459         fl_set_input(bullets_->input_bullet_latex,
1460                      param.temp_bullets[current_bullet_depth].getText().c_str());
1461 }
1462
1463
1464 void FormDocument::CheckChoiceClass(FL_OBJECT * ob, long)
1465 {
1466         if (!ob)
1467                 ob = class_->choice_doc_class;
1468
1469         lv_->prohibitInput();
1470
1471         unsigned int tc = combo_doc_class->get() - 1;
1472         if (textclasslist[tc].load()) {
1473                 // we use a copy of the bufferparams because we do not
1474                 // want to modify them yet.
1475                 BufferParams params = lv_->buffer()->params;
1476
1477                 if (lyxrc.auto_reset_options) {
1478                         params.textclass = tc;
1479                         params.useClassDefaults();
1480                         UpdateLayoutDocument(params);
1481                 } else {
1482                         // update the params which are needed in any case
1483                         // (fontsizes, pagestyle)
1484                         params.textclass = tc;
1485                         UpdateClassParams(params);
1486                 }
1487
1488         } else {
1489                 // unable to load new style
1490                 Alert::alert(_("Conversion Errors!"),
1491                              _("Unable to switch to new document class."),
1492                              _("Reverting to original document class."));
1493                 combo_doc_class->select(int(lv_->buffer()->params.textclass) + 1);
1494         }
1495         lv_->allowInput();
1496 }
1497
1498
1499 void FormDocument::UpdateLayoutDocument(BufferParams const & params)
1500 {
1501         if (!dialog_.get())
1502                 return;
1503
1504         checkReadOnly();
1505         class_update(params);
1506         paper_update(params);
1507         language_update(params);
1508         options_update(params);
1509         bullets_update(params);
1510 }