src/frontends/xforms/FormDocument.C

   1 /**
   2  * \file FormDocument.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Jürgen Vigna
   7  *
   8  * Full author contact details are available in file CREDITS
   9  */
  10
  11 #include <config.h>
  12
  13 #include FORMS_H_LOCATION
  14 #include XPM_H_LOCATION
  15
  16 #ifdef __GNUG__
  17 #pragma implementation
  18 #endif
  19
  20 #include "FormDocument.h"
  21 #include "forms/form_document.h"
  22 #include "Alert.h"
  23 #include "lyxtextclasslist.h"
  24 #include "combox.h"
  25 #include "tex-strings.h"
  26 #include "bufferparams.h"
  27 #include "vspace.h"
  28 #include "bmtable.h"
  29 #include "language.h"
  30 #include "frnt_lang.h"
  31 #include "frontends/LyXView.h"
  32 #include "lyxfunc.h"
  33 #include "lyxrc.h"
  34 #include "BufferView.h"
  35 #include "buffer.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 FORMS_H_LOCATION
  50
  51 #include <boost/bind.hpp>
  52
  53 #include <functional>
  54
  55 using std::bind2nd;
  56 using std::vector;
  57
  58
  59 FormDocument::FormDocument(LyXView & lv, Dialogs & d)
  60         : FormBaseBD(lv, d, _("Document Layout")),
  61           ActCell(0), Confirmed(0),
  62           current_bullet_panel(0), current_bullet_depth(0), fbullet(0)
  63 {
  64 }
  65
  66
  67 void FormDocument::redraw()
  68 {
  69         if (form() && form()->visible)
  70                 fl_redraw_form(form());
  71         else
  72                 return;
  73
  74         FL_FORM * outer_form = fl_get_active_folder(dialog_->tabfolder);
  75         if (outer_form && outer_form->visible)
  76                 fl_redraw_form(outer_form);
  77 }
  78
  79
  80 FL_FORM * FormDocument::form() const
  81 {
  82         if (dialog_.get()) return dialog_->form;
  83         return 0;
  84 }
  85
  86
  87 void FormDocument::build()
  88 {
  89         int n;
  90
  91         // the tabbed folder
  92         dialog_.reset(build_document(this));
  93
  94         // Allow the base class to control messages
  95         setMessageWidget(dialog_->text_warning);
  96
  97         // Manage the restore, ok, apply, restore and cancel/close buttons
  98         bc().setOK(dialog_->button_ok);
  99         bc().setApply(dialog_->button_apply);
 100         bc().setCancel(dialog_->button_close);
 101         bc().setRestore(dialog_->button_restore);
 102         bc().addReadOnly (dialog_->button_save_defaults);
 103         bc().addReadOnly (dialog_->button_reset_defaults);
 104
 105         // the document paper form
 106         paper_.reset(build_document_paper(this));
 107         fl_addto_choice(paper_->choice_papersize,
 108                         _(" Default | Custom | US letter | US legal "
 109                           "| US executive | A3 | A4 | A5 | B3 | B4 | B5 "));
 110         fl_addto_choice(paper_->choice_paperpackage,
 111                         _(" None "
 112                           "| Small Margins "
 113                           "| Very small Margins "
 114                           "| Very wide Margins "));
 115
 116         fl_set_input_return(paper_->input_custom_width,  FL_RETURN_CHANGED);
 117         fl_set_input_return(paper_->input_custom_height, FL_RETURN_CHANGED);
 118         fl_set_input_return(paper_->input_top_margin,    FL_RETURN_CHANGED);
 119         fl_set_input_return(paper_->input_bottom_margin, FL_RETURN_CHANGED);
 120         fl_set_input_return(paper_->input_inner_margin,  FL_RETURN_CHANGED);
 121         fl_set_input_return(paper_->input_outer_margin,  FL_RETURN_CHANGED);
 122         fl_set_input_return(paper_->input_head_height,   FL_RETURN_CHANGED);
 123         fl_set_input_return(paper_->input_head_sep,      FL_RETURN_CHANGED);
 124         fl_set_input_return(paper_->input_foot_skip,     FL_RETURN_CHANGED);
 125
 126         setPrehandler(paper_->input_custom_width);
 127         setPrehandler(paper_->input_custom_height);
 128         setPrehandler(paper_->input_top_margin);
 129         setPrehandler(paper_->input_bottom_margin);
 130         setPrehandler(paper_->input_inner_margin);
 131         setPrehandler(paper_->input_outer_margin);
 132         setPrehandler(paper_->input_head_height);
 133         setPrehandler(paper_->input_head_sep);
 134         setPrehandler(paper_->input_foot_skip);
 135
 136         // Create the contents of the unit choices
 137         // Don't include the "%" terms...
 138         vector<string> units_vec = getLatexUnits();
 139         vector<string>::iterator ret =
 140                 std::remove_if(units_vec.begin(),
 141                                units_vec.end(),
 142                                bind2nd(contains_functor(), "%"));
 143         units_vec.erase(ret, units_vec.end());
 144
 145         string units = getStringFromVector(units_vec, "|");
 146
 147         fl_addto_choice(paper_->choice_custom_width_units,  units.c_str());
 148         fl_addto_choice(paper_->choice_custom_height_units, units.c_str());
 149         fl_addto_choice(paper_->choice_top_margin_units,    units.c_str());
 150         fl_addto_choice(paper_->choice_bottom_margin_units, units.c_str());
 151         fl_addto_choice(paper_->choice_inner_margin_units,  units.c_str());
 152         fl_addto_choice(paper_->choice_outer_margin_units,  units.c_str());
 153         fl_addto_choice(paper_->choice_head_height_units,   units.c_str());
 154         fl_addto_choice(paper_->choice_head_sep_units,      units.c_str());
 155         fl_addto_choice(paper_->choice_foot_skip_units,     units.c_str());
 156
 157         bc().addReadOnly (paper_->choice_paperpackage);
 158         bc().addReadOnly (paper_->radio_portrait);
 159         bc().addReadOnly (paper_->radio_landscape);
 160         bc().addReadOnly (paper_->choice_papersize);
 161         bc().addReadOnly (paper_->check_use_geometry);
 162         bc().addReadOnly (paper_->input_custom_width);
 163         bc().addReadOnly (paper_->input_custom_height);
 164         bc().addReadOnly (paper_->input_top_margin);
 165         bc().addReadOnly (paper_->input_bottom_margin);
 166         bc().addReadOnly (paper_->input_inner_margin);
 167         bc().addReadOnly (paper_->input_outer_margin);
 168         bc().addReadOnly (paper_->input_head_height);
 169         bc().addReadOnly (paper_->input_head_sep);
 170         bc().addReadOnly (paper_->input_foot_skip);
 171
 172         // the document class form
 173         class_.reset(build_document_class(this));
 174
 175         FL_OBJECT * obj;
 176         // The language is a combo-box and has to be inserted manually
 177         obj = class_->choice_doc_class;
 178         fl_deactivate_object(obj);
 179         fl_addto_form(class_->form);
 180         combo_doc_class.reset(new Combox(FL_COMBOX_DROPLIST));
 181         combo_doc_class->add(obj->x, obj->y, obj->w, obj->h, 400);
 182         combo_doc_class->shortcut("#C",1);
 183         combo_doc_class->setcallback(ComboInputCB, this);
 184         fl_end_form();
 185         for (LyXTextClassList::const_iterator cit = textclasslist.begin();
 186              cit != textclasslist.end(); ++cit) {
 187                 combo_doc_class->addto(cit->description());
 188         }
 189
 190         fl_addto_choice(class_->choice_doc_spacing,
 191                         _(" Single | OneHalf | Double | Custom "));
 192         fl_addto_choice(class_->choice_doc_fontsize, "default|10|11|12");
 193         for (n=0; tex_fonts[n][0]; ++n) {
 194                 fl_addto_choice(class_->choice_doc_fonts,tex_fonts[n]);
 195         }
 196         fl_addto_choice(class_->choice_doc_pagestyle,
 197                         "default|empty|plain|headings|fancy");
 198         fl_addto_choice(class_->choice_doc_skip,
 199                         _(" Smallskip | Medskip | Bigskip | Length "));
 200         fl_addto_choice(class_->choice_default_skip_units,  units.c_str());
 201         fl_set_input_return(class_->input_doc_extra, FL_RETURN_CHANGED);
 202         fl_set_input_return(class_->input_doc_skip, FL_RETURN_CHANGED);
 203         fl_set_input_return(class_->input_doc_spacing, FL_RETURN_CHANGED);
 204
 205         setPrehandler(class_->input_doc_extra);
 206         setPrehandler(class_->input_doc_skip);
 207         setPrehandler(class_->input_doc_spacing);
 208
 209         // Set input filters on doc spacing to make it accept only
 210         // unsigned numbers.
 211         fl_set_input_filter(class_->input_doc_spacing, fl_unsigned_float_filter);
 212
 213         bc().addReadOnly (class_->radio_doc_indent);
 214         bc().addReadOnly (class_->radio_doc_skip);
 215
 216         bc().addReadOnly (class_->choice_doc_pagestyle);
 217         bc().addReadOnly (class_->choice_doc_fonts);
 218         bc().addReadOnly (class_->choice_doc_fontsize);
 219         bc().addReadOnly (class_->radio_doc_sides_one);
 220         bc().addReadOnly (class_->radio_doc_sides_two);
 221         bc().addReadOnly (class_->radio_doc_columns_one);
 222         bc().addReadOnly (class_->radio_doc_columns_two);
 223         bc().addReadOnly (class_->input_doc_extra);
 224         bc().addReadOnly (class_->input_doc_skip);
 225         bc().addReadOnly (class_->choice_doc_skip);
 226         bc().addReadOnly (class_->choice_doc_spacing);
 227         bc().addReadOnly (class_->input_doc_spacing);
 228
 229         // the document language form
 230         language_.reset(build_document_language(this));
 231         fl_addto_choice(language_->choice_inputenc,
 232                         "default|auto|latin1|latin2|latin3|latin4|latin5|latin9"
 233                         "|koi8-r|koi8-u|cp866|cp1251|iso88595|pt154");
 234
 235         vector<frnt::LanguagePair> const langs = frnt::getLanguageData(false);
 236         // Store the identifiers for later
 237         lang_ = getSecond(langs);
 238
 239         // The language is a combo-box and has to be inserted manually
 240         obj = language_->choice_language;
 241         fl_deactivate_object(obj);
 242         fl_addto_form(language_->form);
 243         combo_language.reset(new Combox(FL_COMBOX_DROPLIST));
 244         combo_language->add(obj->x, obj->y, obj->w, obj->h, 400);
 245         combo_language->shortcut("#L",1);
 246         combo_language->setcallback(ComboInputCB, this);
 247         fl_end_form();
 248
 249         vector<frnt::LanguagePair>::const_iterator lit  = langs.begin();
 250         vector<frnt::LanguagePair>::const_iterator lend = langs.end();
 251         for (; lit != lend; ++lit) {
 252                 combo_language->addto(lit->first);
 253         }
 254         combo_language->select(1);
 255
 256         fl_addto_choice(language_->choice_quotes_language,
 257                         _(" ``text'' | ''text'' | ,,text`` | ,,text'' |"
 258                           " «text» | »text« "));
 259
 260         bc().addReadOnly (language_->choice_inputenc);
 261         bc().addReadOnly (language_->choice_quotes_language);
 262         bc().addReadOnly (language_->radio_single);
 263         bc().addReadOnly (language_->radio_double);
 264
 265         // the document options form
 266         options_.reset(build_document_options(this));
 267         fl_set_input_return(options_->input_float_placement, FL_RETURN_CHANGED);
 268         setPrehandler(options_->input_float_placement);
 269
 270         fl_set_counter_bounds(options_->counter_secnumdepth,-2,5);
 271         fl_set_counter_bounds(options_->counter_tocdepth,-1,5);
 272         fl_set_counter_step(options_->counter_secnumdepth,1,1);
 273         fl_set_counter_step(options_->counter_tocdepth,1,1);
 274         fl_set_counter_precision(options_->counter_secnumdepth, 0);
 275         fl_set_counter_precision(options_->counter_tocdepth, 0);
 276         for (n=0; tex_graphics[n][0]; ++n) {
 277                 fl_addto_choice(options_->choice_postscript_driver,
 278                                 tex_graphics[n]);
 279         }
 280         fl_addto_choice(options_->choice_citation_format,
 281                         _(" Author-year | Numerical "));
 282
 283         bc_.addReadOnly (options_->counter_secnumdepth);
 284         bc_.addReadOnly (options_->counter_tocdepth);
 285         bc_.addReadOnly (options_->check_use_amsmath);
 286         bc_.addReadOnly (options_->check_use_natbib);
 287         bc_.addReadOnly (options_->choice_citation_format);
 288         bc_.addReadOnly (options_->input_float_placement);
 289         bc_.addReadOnly (options_->choice_postscript_driver);
 290
 291         // the document bullets form
 292         bullets_.reset(build_document_bullet(this));
 293         fl_addto_choice(bullets_->choice_bullet_size,
 294                         _(" default | tiny | script | footnote | small |"
 295                           " normal | large | Large | LARGE | huge | Huge"));
 296         fl_set_choice(bullets_->choice_bullet_size, 1);
 297         fl_set_input_return(bullets_->input_bullet_latex, FL_RETURN_CHANGED);
 298         setPrehandler(bullets_->input_bullet_latex);
 299         fl_set_input_maxchars(bullets_->input_bullet_latex, 80);
 300
 301         string const bmtablefile = LibFileSearch("images", "standard", "xpm");
 302         fl_set_bmtable_pixmap_file(bullets_->bmtable_bullet_panel, 6, 6,
 303                                    bmtablefile.c_str());
 304
 305         bc_.addReadOnly(bullets_->radio_bullet_depth_1);
 306         bc_.addReadOnly(bullets_->radio_bullet_depth_2);
 307         bc_.addReadOnly(bullets_->radio_bullet_depth_3);
 308         bc_.addReadOnly(bullets_->radio_bullet_depth_4);
 309         bc_.addReadOnly(bullets_->radio_bullet_panel_standard);
 310         bc_.addReadOnly(bullets_->radio_bullet_panel_maths);
 311         bc_.addReadOnly(bullets_->radio_bullet_panel_ding1);
 312         bc_.addReadOnly(bullets_->radio_bullet_panel_ding2);
 313         bc_.addReadOnly(bullets_->radio_bullet_panel_ding3);
 314         bc_.addReadOnly(bullets_->radio_bullet_panel_ding4);
 315
 316         bc().addReadOnly (bullets_->bmtable_bullet_panel);
 317         bc().addReadOnly (bullets_->choice_bullet_size);
 318         bc().addReadOnly (bullets_->input_bullet_latex);
 319
 320         fl_addto_tabfolder(dialog_->tabfolder,_("Document"),
 321                            class_->form);
 322         fl_addto_tabfolder(dialog_->tabfolder,_("Paper"),
 323                            paper_->form);
 324         fl_addto_tabfolder(dialog_->tabfolder,_("Language"),
 325                            language_->form);
 326         fl_addto_tabfolder(dialog_->tabfolder,_("Extra"),
 327                            options_->form);
 328         fbullet = fl_addto_tabfolder(dialog_->tabfolder,_("Bullets"),
 329                                      bullets_->form);
 330
 331         // work-around xforms bug re update of folder->x, folder->y coords.
 332         setPrehandler(dialog_->tabfolder);
 333
 334         if ((XpmVersion < 4) || (XpmVersion == 4 && XpmRevision < 7)) {
 335                 lyxerr << _("Your version of libXpm is older than 4.7.\n"
 336                             "The `bullet' tab of the document dialog "
 337                             "has been disabled") << '\n';
 338                 fl_deactivate_object(fbullet);
 339                 fl_set_object_lcol(fbullet, FL_INACTIVE);
 340         }
 341 }
 342
 343
 344 void FormDocument::apply()
 345 {
 346         if (!lv_.view()->available() || !dialog_.get())
 347                 return;
 348
 349         bool redo = class_apply();
 350         paper_apply();
 351         redo = language_apply() || redo;
 352         redo = options_apply() || redo;
 353         bullets_apply();
 354
 355         if (redo) {
 356                 lv_.view()->redoCurrentBuffer();
 357         }
 358         lv_.buffer()->markDirty();
 359         lv_.message(_("Document layout set"));
 360 }
 361
 362
 363 void FormDocument::cancel()
 364 {
 365         // this avoids confusion when reopening
 366         BufferParams & param = lv_.buffer()->params;
 367         param.temp_bullets[0] = param.user_defined_bullets[0];
 368         param.temp_bullets[1] = param.user_defined_bullets[1];
 369         param.temp_bullets[2] = param.user_defined_bullets[2];
 370         param.temp_bullets[3] = param.user_defined_bullets[3];
 371         hide();
 372 }
 373
 374
 375 void FormDocument::update()
 376 {
 377         if (!dialog_.get())
 378                 return;
 379
 380         checkReadOnly();
 381
 382         BufferParams const & params = lv_.buffer()->params;
 383
 384         class_update(params);
 385         paper_update(params);
 386         language_update(params);
 387         options_update(params);
 388         bullets_update(params);
 389 }
 390
 391
 392 namespace {
 393 // should this go elsewhere? Maybe a ControllerDocument? (JMarc)
 394 /** Save the buffer's parameters as user default.
 395     This function saves a file \c user_lyxdir/templates/defaults.lyx
 396     which parameters are those of the current buffer. This file
 397     is used as a default template when creating a new
 398     file. Returns \c true on success.
 399 */
 400 bool saveParamsAsDefault(BufferParams const &params)
 401 {
 402         if (!Alert::askQuestion(_("Do you want to save the current settings"),
 403                                 _("for the document layout as default?"),
 404                                 _("(they will be valid for any new document)")))
 405                 return false;
 406
 407         string const fname = AddName(AddPath(user_lyxdir, "templates/"),
 408                                      "defaults.lyx");
 409         Buffer defaults(fname);
 410         defaults.params = params;
 411
 412         // add an empty paragraph. Is this enough?
 413         Paragraph * par = new Paragraph;
 414         par->layout(params.getLyXTextClass().defaultLayout());
 415         defaults.paragraphs.set(par);
 416
 417         return defaults.writeFile(defaults.fileName());
 418 }
 419
 420 } //namespace
 421
 422
 423 bool FormDocument::input(FL_OBJECT * ob, long)
 424 {
 425         if (ob == class_->choice_doc_class) {
 426                 CheckChoiceClass(ob, 0);
 427         } else if (ob == bullets_->choice_bullet_size) {
 428                 ChoiceBulletSize(ob, 0);
 429         } else if (ob == bullets_->input_bullet_latex) {
 430                 InputBulletLaTeX(ob, 0);
 431         } else if (ob == bullets_->radio_bullet_depth_1 ||
 432                    ob == bullets_->radio_bullet_depth_2 ||
 433                    ob == bullets_->radio_bullet_depth_3 ||
 434                    ob == bullets_->radio_bullet_depth_4) {
 435                 BulletDepth(ob);
 436         } else if (ob == bullets_->radio_bullet_panel_standard ||
 437                    ob == bullets_->radio_bullet_panel_maths ||
 438                    ob == bullets_->radio_bullet_panel_ding1 ||
 439                    ob == bullets_->radio_bullet_panel_ding2 ||
 440                    ob == bullets_->radio_bullet_panel_ding3 ||
 441                    ob == bullets_->radio_bullet_panel_ding4) {
 442                 BulletPanel(ob);
 443         } else if (ob == bullets_->bmtable_bullet_panel) {
 444                 BulletBMTable(ob, 0);
 445         }
 446
 447         bool const length_input = fl_get_choice(class_->choice_doc_skip) == 4;
 448         if (ob == class_->choice_doc_skip) {
 449                 setEnabled(class_->input_doc_skip, length_input);
 450                 setEnabled(class_->choice_default_skip_units, length_input);
 451         }
 452
 453         if (ob == class_->choice_doc_spacing)
 454                 setEnabled(class_->input_doc_spacing,
 455                            fl_get_choice(class_->choice_doc_spacing) == 4);
 456
 457         bool const skip_used = fl_get_button(class_->radio_doc_skip);
 458         if (ob == class_->radio_doc_skip ||
 459             ob == class_->radio_doc_indent) {
 460                 setEnabled(class_->choice_doc_skip, skip_used);
 461                 setEnabled(class_->input_doc_skip,
 462                            skip_used && length_input);
 463                 setEnabled(class_->choice_default_skip_units,
 464                            skip_used && length_input);
 465                 // Default unit choice is cm if metric, inches if US paper.
 466                 // If papersize is default, check the lyxrc-settings
 467                 int const paperchoice = fl_get_choice(paper_->choice_papersize);
 468                 bool const metric = (paperchoice == 1 && lyxrc.default_papersize > 3)
 469                         || paperchoice == 2 || paperchoice > 5;
 470                 int const default_unit = metric ? 8 : 9;
 471                 if (rtrim(fl_get_input(class_->input_doc_skip)).empty())
 472                         fl_set_choice(class_->choice_default_skip_units,
 473                                       default_unit);
 474         }
 475
 476         if (ob == options_->check_use_natbib) {
 477                 setEnabled(options_->choice_citation_format,
 478                            fl_get_button(options_->check_use_natbib));
 479         }
 480
 481         if (ob == dialog_->button_save_defaults) {
 482                 BufferParams params;
 483                 class_apply(params);
 484                 paper_apply(params);
 485                 language_apply(params);
 486                 options_apply(params);
 487                 bullets_apply(params);
 488                 params.preamble = lv_.buffer()->params.preamble;
 489                 saveParamsAsDefault(params);
 490         }
 491
 492         if (ob == dialog_->button_reset_defaults) {
 493                 BufferParams params = lv_.buffer()->params;
 494                 params.textclass = combo_doc_class->get() - 1;
 495                 params.useClassDefaults();
 496                 UpdateLayoutDocument(params);
 497         }
 498
 499         if (ob == paper_->radio_landscape)
 500                 fl_set_choice(paper_->choice_paperpackage,
 501                               BufferParams::PACKAGE_NONE + 1);
 502
 503         if (ob == paper_->choice_papersize) {
 504                 int const paperchoice = fl_get_choice(paper_->choice_papersize);
 505                 bool const defsize = paperchoice == 1;
 506                 bool const custom = paperchoice == 2;
 507                 bool const a3size = paperchoice == 6;
 508                 bool const b3size = paperchoice == 9;
 509                 bool const b4size = paperchoice == 10;
 510
 511                 if (custom)
 512                         fl_set_button(paper_->radio_portrait, 1);
 513
 514                 bool const use_geom = (custom || a3size || b3size || b4size);
 515
 516                 fl_set_button(paper_->check_use_geometry, int(use_geom));
 517
 518                 setEnabled(paper_->input_top_margin,    use_geom);
 519                 setEnabled(paper_->input_bottom_margin, use_geom);
 520                 setEnabled(paper_->input_inner_margin,  use_geom);
 521                 setEnabled(paper_->input_outer_margin,  use_geom);
 522                 setEnabled(paper_->input_head_height,   use_geom);
 523                 setEnabled(paper_->input_head_sep,      use_geom);
 524                 setEnabled(paper_->input_foot_skip,     use_geom);
 525                 setEnabled(paper_->choice_top_margin_units,    use_geom);
 526                 setEnabled(paper_->choice_bottom_margin_units, use_geom);
 527                 setEnabled(paper_->choice_inner_margin_units,  use_geom);
 528                 setEnabled(paper_->choice_outer_margin_units,  use_geom);
 529                 setEnabled(paper_->choice_head_height_units,   use_geom);
 530                 setEnabled(paper_->choice_head_sep_units,      use_geom);
 531                 setEnabled(paper_->choice_foot_skip_units,     use_geom);
 532                 setEnabled(paper_->choice_custom_width_units,  use_geom);
 533                 setEnabled(paper_->choice_custom_height_units, use_geom);
 534
 535                 setEnabled(paper_->input_custom_width,  custom);
 536                 setEnabled(paper_->input_custom_height, custom);
 537                 setEnabled(paper_->choice_custom_width_units,  custom);
 538                 setEnabled(paper_->choice_custom_height_units, custom);
 539                 setEnabled(paper_->radio_portrait,  !custom);
 540                 setEnabled(paper_->radio_landscape, !custom);
 541
 542                 // Default unit choice is cm if metric, inches if US paper.
 543                 // If papersize is default, use the lyxrc-settings
 544                 bool const metric = (defsize && lyxrc.default_papersize > 3)
 545                         || paperchoice == 2 || paperchoice > 5;
 546                 int const default_unit = metric ? 8 : 9;
 547                 if (rtrim(fl_get_input(paper_->input_custom_width)).empty())
 548                         fl_set_choice(paper_->choice_custom_width_units,
 549                                       default_unit);
 550                 if (rtrim(fl_get_input(paper_->input_custom_height)).empty())
 551                         fl_set_choice(paper_->choice_custom_height_units,
 552                                       default_unit);
 553                 if (rtrim(fl_get_input(paper_->input_top_margin)).empty())
 554                         fl_set_choice(paper_->choice_top_margin_units,
 555                                       default_unit);
 556                 if (rtrim(fl_get_input(paper_->input_bottom_margin)).empty())
 557                         fl_set_choice(paper_->choice_bottom_margin_units,
 558                                       default_unit);
 559                 if (rtrim(fl_get_input(paper_->input_inner_margin)).empty())
 560                         fl_set_choice(paper_->choice_inner_margin_units,
 561                                       default_unit);
 562                 if (rtrim(fl_get_input(paper_->input_outer_margin)).empty())
 563                         fl_set_choice(paper_->choice_outer_margin_units,
 564                                       default_unit);
 565                 if (rtrim(fl_get_input(paper_->input_head_height)).empty())
 566                         fl_set_choice(paper_->choice_head_height_units,
 567                                       default_unit);
 568                 if (rtrim(fl_get_input(paper_->input_head_sep)).empty())
 569                         fl_set_choice(paper_->choice_head_sep_units,
 570                                       default_unit);
 571                 if (rtrim(fl_get_input(paper_->input_foot_skip)).empty())
 572                         fl_set_choice(paper_->choice_foot_skip_units,
 573                                       default_unit);
 574         }
 575
 576         if (ob == paper_->choice_papersize ||
 577             ob == paper_->radio_portrait ||
 578             ob == paper_->radio_landscape) {
 579
 580                 setEnabled(paper_->choice_paperpackage,
 581                            //either default papersize (preferences)
 582                            //or document papersize has to be A4
 583                            (fl_get_choice(paper_->choice_papersize) == 7
 584                             || fl_get_choice(paper_->choice_papersize) == 1
 585                             && lyxrc.default_papersize == 5)
 586                            && fl_get_button(paper_->radio_portrait));
 587         }
 588
 589         if (ob == paper_->choice_paperpackage) {
 590                 if (fl_get_choice(paper_->choice_paperpackage) != 1) {
 591                         fl_set_button(paper_->check_use_geometry, 0);
 592
 593                         setEnabled(paper_->input_top_margin,    false);
 594                         setEnabled(paper_->input_bottom_margin, false);
 595                         setEnabled(paper_->input_inner_margin,  false);
 596                         setEnabled(paper_->input_outer_margin,  false);
 597                         setEnabled(paper_->input_head_height,   false);
 598                         setEnabled(paper_->input_head_sep,      false);
 599                         setEnabled(paper_->input_foot_skip,     false);
 600                         setEnabled(paper_->choice_top_margin_units,    false);
 601                         setEnabled(paper_->choice_bottom_margin_units, false);
 602                         setEnabled(paper_->choice_inner_margin_units,  false);
 603                         setEnabled(paper_->choice_outer_margin_units,  false);
 604                         setEnabled(paper_->choice_head_height_units,   false);
 605                         setEnabled(paper_->choice_head_sep_units,      false);
 606                         setEnabled(paper_->choice_foot_skip_units,     false);
 607                 }
 608         }
 609
 610         if (ob == paper_->check_use_geometry) {
 611                 //don't allow switching geometry off in custom papersize mode
 612                 //nor in A3, B3, and B4
 613                 int const choice = fl_get_choice(paper_->choice_papersize);
 614                 if (choice == 2 || choice == 6 || choice == 9 || choice == 10)
 615                         fl_set_button(paper_->check_use_geometry, 1);
 616
 617                 fl_set_choice(paper_->choice_paperpackage,
 618                               BufferParams::PACKAGE_NONE + 1);
 619
 620                 bool const use_geom = fl_get_button(paper_->check_use_geometry);
 621                 setEnabled(paper_->input_top_margin,    use_geom);
 622                 setEnabled(paper_->input_bottom_margin, use_geom);
 623                 setEnabled(paper_->input_inner_margin,  use_geom);
 624                 setEnabled(paper_->input_outer_margin,  use_geom);
 625                 setEnabled(paper_->input_head_height,   use_geom);
 626                 setEnabled(paper_->input_head_sep,      use_geom);
 627                 setEnabled(paper_->input_foot_skip,     use_geom);
 628                 setEnabled(paper_->choice_top_margin_units,    use_geom);
 629                 setEnabled(paper_->choice_bottom_margin_units, use_geom);
 630                 setEnabled(paper_->choice_inner_margin_units,  use_geom);
 631                 setEnabled(paper_->choice_outer_margin_units,  use_geom);
 632                 setEnabled(paper_->choice_head_height_units,   use_geom);
 633                 setEnabled(paper_->choice_head_sep_units,      use_geom);
 634                 setEnabled(paper_->choice_foot_skip_units,     use_geom);
 635         }
 636
 637         return CheckDocumentInput(ob, 0);
 638 }
 639
 640
 641 void FormDocument::ComboInputCB(int, void * v, Combox * combox)
 642 {
 643         FormDocument * pre = static_cast<FormDocument*>(v);
 644         if (combox == pre->combo_doc_class.get())
 645                 pre->CheckChoiceClass(0, 0);
 646         pre->bc().valid(pre->CheckDocumentInput(0,0));
 647 }
 648
 649
 650 bool FormDocument::class_apply(BufferParams &params)
 651 {
 652         bool redo = false;
 653
 654         // If default skip is a "Length" but there's no text in the
 655         // input field, reset the kind to "Medskip", which is the default.
 656         if ((fl_get_choice (class_->choice_doc_skip) == 4) &&
 657             !*(fl_get_input (class_->input_doc_skip))) {
 658                 fl_set_choice (class_->choice_doc_skip, 2);
 659         }
 660         params.fonts = fl_get_choice_text(class_->choice_doc_fonts);
 661         params.fontsize = fl_get_choice_text(class_->choice_doc_fontsize);
 662         params.pagestyle = fl_get_choice_text(class_->choice_doc_pagestyle);
 663
 664         params.textclass = combo_doc_class->get() - 1;
 665
 666         BufferParams::PARSEP tmpsep = params.paragraph_separation;
 667         if (fl_get_button(class_->radio_doc_indent))
 668                 params.paragraph_separation = BufferParams::PARSEP_INDENT;
 669         else
 670                 params.paragraph_separation = BufferParams::PARSEP_SKIP;
 671         if (tmpsep != params.paragraph_separation)
 672                 redo = true;
 673
 674         VSpace tmpdefskip = params.getDefSkip();
 675         switch (fl_get_choice (class_->choice_doc_skip)) {
 676         case 1:
 677                 params.setDefSkip(VSpace(VSpace::SMALLSKIP));
 678                 break;
 679         case 2:
 680                 params.setDefSkip(VSpace(VSpace::MEDSKIP));
 681                 break;
 682         case 3:
 683                 params.setDefSkip(VSpace(VSpace::BIGSKIP));
 684                 break;
 685         case 4:
 686         {
 687                 string const length =
 688                         getLengthFromWidgets(class_->input_doc_skip,
 689                                              class_->choice_default_skip_units);
 690
 691                 params.setDefSkip(VSpace(LyXGlueLength(length)));
 692                 break;
 693         }
 694         default:
 695                 // DocumentDefskipCB assures that this never happens
 696                 params.setDefSkip(VSpace(VSpace::MEDSKIP));
 697                 break;
 698         }
 699         if (!(tmpdefskip == params.getDefSkip()))
 700                 redo = true;
 701
 702         if (fl_get_button(class_->radio_doc_columns_two))
 703                 params.columns = 2;
 704         else
 705                 params.columns = 1;
 706         if (fl_get_button(class_->radio_doc_sides_two))
 707                 params.sides = LyXTextClass::TwoSides;
 708         else
 709                 params.sides = LyXTextClass::OneSide;
 710
 711         Spacing tmpSpacing = params.spacing;
 712         switch (fl_get_choice(class_->choice_doc_spacing)) {
 713         case 1:
 714                 lyxerr[Debug::INFO] << "Spacing: SINGLE\n";
 715                 params.spacing.set(Spacing::Single);
 716                 break;
 717         case 2:
 718                 lyxerr[Debug::INFO] << "Spacing: ONEHALF\n";
 719                 params.spacing.set(Spacing::Onehalf);
 720                 break;
 721         case 3:
 722                 lyxerr[Debug::INFO] << "Spacing: DOUBLE\n";
 723                 params.spacing.set(Spacing::Double);
 724                 break;
 725         case 4:
 726                 lyxerr[Debug::INFO] << "Spacing: OTHER\n";
 727                 params.spacing.set(Spacing::Other,
 728                                    fl_get_input(class_->input_doc_spacing));
 729                 break;
 730         }
 731         if (tmpSpacing != params.spacing)
 732                 redo = true;
 733
 734         params.options = fl_get_input(class_->input_doc_extra);
 735
 736         return redo;
 737 }
 738
 739
 740 bool FormDocument::class_apply()
 741 {
 742         BufferParams &params = lv_.buffer()->params;
 743
 744         unsigned int const old_class = params.textclass;
 745
 746         bool redo = class_apply(params);
 747
 748         if (params.textclass != old_class) {
 749                 // try to load new_class
 750                 if (textclasslist[params.textclass].load()) {
 751                         // successfully loaded
 752                         redo = true;
 753                         lv_.message(_("Converting document to new document class..."));
 754                         int ret = CutAndPaste::SwitchLayoutsBetweenClasses(
 755                                 old_class, params.textclass,
 756                                 &*(lv_.buffer()->paragraphs.begin()),
 757                                 lv_.buffer()->params);
 758                         if (ret) {
 759                                 string s;
 760                                 if (ret == 1) {
 761                                         s = _("One paragraph couldn't be converted");
 762                                 } else {
 763                                         s += tostr(ret);
 764                                         s += _(" paragraphs couldn't be converted");
 765                                 }
 766                                 Alert::alert(_("Conversion Errors!"),s,
 767                                              _("into chosen document class"));
 768                         }
 769
 770                 } else {
 771                         // problem changing class -- warn user and retain old style
 772                         Alert::alert(_("Conversion Errors!"),
 773                                      _("Errors loading new document class."),
 774                                      _("Reverting to original document class."));
 775                         combo_doc_class->select(int(old_class) + 1);
 776                 }
 777         }
 778
 779         return redo;
 780 }
 781
 782
 783 void FormDocument::paper_apply(BufferParams & params)
 784 {
 785         params.papersize2 = char(fl_get_choice(paper_->choice_papersize) - 1);
 786
 787         params.paperpackage =
 788                 char(fl_get_choice(paper_->choice_paperpackage) - 1);
 789
 790         // set params.papersize from params.papersize2 and params.paperpackage
 791         params.setPaperStuff();
 792
 793         params.use_geometry = fl_get_button(paper_->check_use_geometry);
 794
 795         if (fl_get_button(paper_->radio_landscape))
 796                 params.orientation = BufferParams::ORIENTATION_LANDSCAPE;
 797         else
 798                 params.orientation = BufferParams::ORIENTATION_PORTRAIT;
 799
 800         params.paperwidth =
 801                 getLengthFromWidgets(paper_->input_custom_width,
 802                                      paper_->choice_custom_width_units);
 803
 804         params.paperheight =
 805                 getLengthFromWidgets(paper_->input_custom_height,
 806                                      paper_->choice_custom_height_units);
 807
 808         params.leftmargin =
 809                 getLengthFromWidgets(paper_->input_inner_margin,
 810                                      paper_->choice_inner_margin_units);
 811
 812         params.topmargin =
 813                 getLengthFromWidgets(paper_->input_top_margin,
 814                                      paper_->choice_top_margin_units);
 815
 816         params.rightmargin =
 817                 getLengthFromWidgets(paper_->input_outer_margin,
 818                                      paper_->choice_outer_margin_units);
 819
 820         params.bottommargin =
 821                 getLengthFromWidgets(paper_->input_bottom_margin,
 822                                      paper_->choice_bottom_margin_units);
 823
 824         params.headheight =
 825                 getLengthFromWidgets(paper_->input_head_height,
 826                                      paper_->choice_head_height_units);
 827
 828         params.headsep =
 829                 getLengthFromWidgets(paper_->input_head_sep,
 830                                      paper_->choice_head_sep_units);
 831
 832         params.footskip =
 833                 getLengthFromWidgets(paper_->input_foot_skip,
 834                                      paper_->choice_foot_skip_units);
 835 }
 836
 837
 838 void FormDocument::paper_apply()
 839 {
 840         paper_apply(lv_.buffer()->params);
 841 }
 842
 843
 844 bool FormDocument::language_apply(BufferParams & params)
 845 {
 846         InsetQuotes::quote_language lga = InsetQuotes::EnglishQ;
 847         bool redo = false;
 848
 849         switch (fl_get_choice(language_->choice_quotes_language) - 1) {
 850         case 0:
 851                 lga = InsetQuotes::EnglishQ;
 852                 break;
 853         case 1:
 854                 lga = InsetQuotes::SwedishQ;
 855                 break;
 856         case 2:
 857                 lga = InsetQuotes::GermanQ;
 858                 break;
 859         case 3:
 860                 lga = InsetQuotes::PolishQ;
 861                 break;
 862         case 4:
 863                 lga = InsetQuotes::FrenchQ;
 864                 break;
 865         case 5:
 866                 lga = InsetQuotes::DanishQ;
 867                 break;
 868         }
 869         params.quotes_language = lga;
 870         if (fl_get_button(language_->radio_single))
 871                 params.quotes_times = InsetQuotes::SingleQ;
 872         else
 873                 params.quotes_times = InsetQuotes::DoubleQ;
 874
 875         int const pos = combo_language->get();
 876         Language const * old_language = params.language;
 877         Language const * new_language = languages.getLanguage(lang_[pos-1]);
 878         if (!new_language)
 879                 new_language = default_language;
 880
 881         if (old_language != new_language
 882             && old_language->RightToLeft() == new_language->RightToLeft()
 883             && !lv_.buffer()->isMultiLingual())
 884                 lv_.buffer()->changeLanguage(old_language, new_language);
 885
 886         if (old_language != new_language) {
 887                 redo = true;
 888         }
 889
 890         params.language = new_language;
 891         params.inputenc = fl_get_choice_text(language_->choice_inputenc);
 892
 893         return redo;
 894 }
 895
 896
 897 bool FormDocument::language_apply()
 898 {
 899         return language_apply(lv_.buffer()->params);
 900 }
 901
 902
 903 bool FormDocument::options_apply(BufferParams & params)
 904 {
 905         bool redo = false;
 906
 907         params.graphicsDriver =
 908                 fl_get_choice_text(options_->choice_postscript_driver);
 909         params.use_amsmath = fl_get_button(options_->check_use_amsmath);
 910         params.use_natbib  = fl_get_button(options_->check_use_natbib);
 911         params.use_numerical_citations  =
 912                 fl_get_choice(options_->choice_citation_format) - 1;
 913
 914         int tmpchar = int(fl_get_counter_value(options_->counter_secnumdepth));
 915         if (params.secnumdepth != tmpchar)
 916                 redo = true;
 917         params.secnumdepth = tmpchar;
 918
 919         params.tocdepth = int(fl_get_counter_value(options_->counter_tocdepth));
 920
 921         params.float_placement =
 922                 fl_get_input(options_->input_float_placement);
 923
 924         return redo;
 925 }
 926
 927
 928 bool FormDocument::options_apply()
 929 {
 930         return options_apply(lv_.buffer()->params);
 931 }
 932
 933
 934 void FormDocument::bullets_apply(BufferParams & params)
 935 {
 936         /* update the bullet settings */
 937         BufferParams & buf_params = lv_.buffer()->params;
 938
 939         // a little bit of loop unrolling
 940         params.user_defined_bullets[0] = buf_params.temp_bullets[0];
 941         params.user_defined_bullets[1] = buf_params.temp_bullets[1];
 942         params.user_defined_bullets[2] = buf_params.temp_bullets[2];
 943         params.user_defined_bullets[3] = buf_params.temp_bullets[3];
 944 }
 945
 946
 947 void FormDocument::bullets_apply()
 948 {
 949         bullets_apply(lv_.buffer()->params);
 950 }
 951
 952 void FormDocument::UpdateClassParams(BufferParams const & params)
 953 {
 954         // These are the params that have to be updated on any class change
 955         // (even if the class defaults are not used) (JSpitzm 2002-04-08)
 956
 957         LyXTextClass const & tclass = textclasslist[params.textclass];
 958
 959         combo_doc_class->select(tclass.description());
 960         fl_clear_choice(class_->choice_doc_fontsize);
 961         fl_addto_choice(class_->choice_doc_fontsize, "default");
 962         fl_addto_choice(class_->choice_doc_fontsize,
 963                         tclass.opt_fontsize().c_str());
 964         fl_set_choice_text(class_->choice_doc_fontsize,
 965                         params.fontsize.c_str());
 966         fl_clear_choice(class_->choice_doc_pagestyle);
 967         fl_addto_choice(class_->choice_doc_pagestyle, "default");
 968         fl_addto_choice(class_->choice_doc_pagestyle,
 969                         tclass.opt_pagestyle().c_str());
 970         fl_set_choice_text(class_->choice_doc_pagestyle,
 971                         params.pagestyle.c_str());
 972
 973 }
 974
 975 void FormDocument::class_update(BufferParams const & params)
 976 {
 977         if (!class_.get())
 978                 return;
 979
 980         UpdateClassParams(params);
 981
 982         fl_set_choice_text(class_->choice_doc_fonts,
 983                 params.fonts.c_str());
 984         fl_set_button(class_->radio_doc_indent, 0);
 985         fl_set_button(class_->radio_doc_skip, 0);
 986         if (params.paragraph_separation == BufferParams::PARSEP_INDENT)
 987                 fl_set_button(class_->radio_doc_indent, 1);
 988         else
 989                 fl_set_button(class_->radio_doc_skip, 1);
 990
 991         bool const input_length = fl_get_choice(class_->choice_doc_skip) == 4;
 992         setEnabled(class_->choice_default_skip_units, input_length);
 993         setEnabled(class_->input_doc_skip, input_length);
 994
 995         switch (params.getDefSkip().kind()) {
 996         case VSpace::SMALLSKIP:
 997                 fl_set_choice (class_->choice_doc_skip, 1);
 998                 break;
 999         case VSpace::MEDSKIP:
1000                 fl_set_choice (class_->choice_doc_skip, 2);
1001                 break;
1002         case VSpace::BIGSKIP:
1003                 fl_set_choice (class_->choice_doc_skip, 3);
1004                 break;
1005         case VSpace::LENGTH:
1006         {
1007                 int const paperchoice = fl_get_choice(paper_->choice_papersize);
1008                 bool const metric = (paperchoice == 1 && lyxrc.default_papersize > 3)
1009                         || paperchoice == 2 || paperchoice > 5;
1010                 string const default_unit = metric ? "cm" : "in";
1011                 string const length = params.getDefSkip().asLyXCommand();
1012                 updateWidgetsFromLengthString(class_->input_doc_skip,
1013                                               class_->choice_default_skip_units,
1014                                               length, default_unit);
1015                 break;
1016         }
1017         default:
1018                 fl_set_choice (class_->choice_doc_skip, 2);
1019                 break;
1020         }
1021         fl_set_button(class_->radio_doc_sides_one, 0);
1022         fl_set_button(class_->radio_doc_sides_two, 0);
1023         setEnabled(class_->choice_doc_skip,
1024                    fl_get_button(class_->radio_doc_skip));
1025
1026         if (params.sides == LyXTextClass::TwoSides)
1027                 fl_set_button(class_->radio_doc_sides_two, 1);
1028         else
1029                 fl_set_button(class_->radio_doc_sides_one, 1);
1030         fl_set_button(class_->radio_doc_columns_one, 0);
1031         fl_set_button(class_->radio_doc_columns_two, 0);
1032         if (params.columns == 2)
1033                 fl_set_button(class_->radio_doc_columns_two, 1);
1034         else
1035                 fl_set_button(class_->radio_doc_columns_one, 1);
1036
1037         fl_set_input(class_->input_doc_spacing, "");
1038         setEnabled(class_->input_doc_spacing, false);
1039
1040         switch (params.spacing.getSpace()) {
1041         case Spacing::Default: // nothing bad should happen with this
1042         case Spacing::Single:
1043                 // \singlespacing
1044                 fl_set_choice(class_->choice_doc_spacing, 1);
1045                 break;
1046         case Spacing::Onehalf:
1047                 // \onehalfspacing
1048                 fl_set_choice(class_->choice_doc_spacing, 2);
1049                 break;
1050         case Spacing::Double:
1051                 // \doublespacing
1052                 fl_set_choice(class_->choice_doc_spacing, 3);
1053                 break;
1054         case Spacing::Other:
1055         {
1056                 fl_set_choice(class_->choice_doc_spacing, 4);
1057                 char sval[20];
1058                 sprintf(sval,"%g",params.spacing.getValue());
1059                 fl_set_input(class_->input_doc_spacing, sval);
1060                 setEnabled(class_->input_doc_spacing, true);
1061                 break;
1062         }
1063         }
1064         if (!params.options.empty())
1065                 fl_set_input(class_->input_doc_extra, params.options.c_str());
1066         else
1067                 fl_set_input(class_->input_doc_extra, "");
1068 }
1069
1070
1071 void FormDocument::language_update(BufferParams const & params)
1072 {
1073         if (!language_.get())
1074                 return;
1075
1076         int const pos = int(findPos(lang_, params.language->lang()));
1077         combo_language->select(pos+1);
1078
1079         fl_set_choice_text(language_->choice_inputenc, params.inputenc.c_str());
1080         fl_set_choice(language_->choice_quotes_language, params.quotes_language + 1);
1081         fl_set_button(language_->radio_single, 0);
1082         fl_set_button(language_->radio_double, 0);
1083         if (params.quotes_times == InsetQuotes::SingleQ)
1084                 fl_set_button(language_->radio_single, 1);
1085         else
1086                 fl_set_button(language_->radio_double, 1);
1087 }
1088
1089
1090 void FormDocument::options_update(BufferParams const & params)
1091 {
1092         if (!options_.get())
1093                 return;
1094
1095         fl_set_choice_text(options_->choice_postscript_driver,
1096                            params.graphicsDriver.c_str());
1097         fl_set_button(options_->check_use_amsmath, params.use_amsmath);
1098         fl_set_button(options_->check_use_natbib,  params.use_natbib);
1099         fl_set_choice(options_->choice_citation_format,
1100                       int(params.use_numerical_citations)+1);
1101         setEnabled(options_->choice_citation_format, params.use_natbib);
1102         fl_set_counter_value(options_->counter_secnumdepth, params.secnumdepth);
1103         fl_set_counter_value(options_->counter_tocdepth, params.tocdepth);
1104         if (!params.float_placement.empty())
1105                 fl_set_input(options_->input_float_placement,
1106                              params.float_placement.c_str());
1107         else
1108                 fl_set_input(options_->input_float_placement, "");
1109 }
1110
1111
1112 void FormDocument::paper_update(BufferParams const & params)
1113 {
1114         if (!paper_.get())
1115                 return;
1116
1117         fl_set_choice(paper_->choice_papersize, params.papersize2 + 1);
1118         fl_set_choice(paper_->choice_paperpackage, params.paperpackage + 1);
1119         fl_set_button(paper_->check_use_geometry, params.use_geometry);
1120
1121         int const paperchoice = fl_get_choice(paper_->choice_papersize);
1122         bool const useCustom = paperchoice == 2;
1123         bool const useGeom = fl_get_button(paper_->check_use_geometry);
1124
1125         fl_set_button(paper_->radio_portrait, 0);
1126         setEnabled(paper_->radio_portrait, !useCustom);
1127         fl_set_button(paper_->radio_landscape, 0);
1128         setEnabled(paper_->radio_landscape, !useCustom);
1129
1130         if (params.orientation == BufferParams::ORIENTATION_LANDSCAPE)
1131                 fl_set_button(paper_->radio_landscape, 1);
1132         else
1133                 fl_set_button(paper_->radio_portrait, 1);
1134         setEnabled(paper_->choice_paperpackage,
1135                    //either default papersize (preferences)
1136                    //or document papersize has to be A4
1137                    (paperchoice == 7
1138                     || paperchoice == 1 && lyxrc.default_papersize == 5)
1139                    && fl_get_button(paper_->radio_portrait));
1140
1141         // Default unit choice is cm if metric, inches if US paper.
1142         bool const metric = (paperchoice == 1 && lyxrc.default_papersize > 3)
1143                 || paperchoice == 2 || paperchoice > 5;
1144         string const default_unit = metric ? "cm" : "in";
1145         updateWidgetsFromLengthString(paper_->input_custom_width,
1146                                       paper_->choice_custom_width_units,
1147                                       params.paperwidth, default_unit);
1148         setEnabled(paper_->input_custom_width, useCustom);
1149         setEnabled(paper_->choice_custom_width_units, useCustom);
1150
1151         updateWidgetsFromLengthString(paper_->input_custom_height,
1152                                       paper_->choice_custom_height_units,
1153                                       params.paperheight, default_unit);
1154         setEnabled(paper_->input_custom_height, useCustom);
1155         setEnabled(paper_->choice_custom_height_units, useCustom);
1156
1157         updateWidgetsFromLengthString(paper_->input_inner_margin,
1158                                       paper_->choice_inner_margin_units,
1159                                       params.leftmargin, default_unit);
1160         setEnabled(paper_->input_inner_margin, useGeom);
1161         setEnabled(paper_->choice_inner_margin_units, useGeom);
1162
1163         updateWidgetsFromLengthString(paper_->input_top_margin,
1164                                       paper_->choice_top_margin_units,
1165                                       params.topmargin, default_unit);
1166         setEnabled(paper_->input_top_margin, useGeom);
1167         setEnabled(paper_->choice_top_margin_units, useGeom);
1168
1169         updateWidgetsFromLengthString(paper_->input_outer_margin,
1170                                       paper_->choice_outer_margin_units,
1171                                       params.rightmargin, default_unit);
1172         setEnabled(paper_->input_outer_margin, useGeom);
1173         setEnabled(paper_->choice_outer_margin_units, useGeom);
1174
1175         updateWidgetsFromLengthString(paper_->input_bottom_margin,
1176                                       paper_->choice_bottom_margin_units,
1177                                       params.bottommargin, default_unit);
1178         setEnabled(paper_->input_bottom_margin, useGeom);
1179         setEnabled(paper_->choice_bottom_margin_units, useGeom);
1180
1181         updateWidgetsFromLengthString(paper_->input_head_height,
1182                                       paper_->choice_head_height_units,
1183                                       params.headheight, default_unit);
1184         setEnabled(paper_->input_head_height, useGeom);
1185         setEnabled(paper_->choice_head_height_units, useGeom);
1186
1187         updateWidgetsFromLengthString(paper_->input_head_sep,
1188                                       paper_->choice_head_sep_units,
1189                                       params.headsep, default_unit);
1190         setEnabled(paper_->input_head_sep, useGeom);
1191         setEnabled(paper_->choice_head_sep_units, useGeom);
1192
1193         updateWidgetsFromLengthString(paper_->input_foot_skip,
1194                                       paper_->choice_foot_skip_units,
1195                                       params.footskip, default_unit);
1196         setEnabled(paper_->input_foot_skip, useGeom);
1197         setEnabled(paper_->choice_foot_skip_units, useGeom);
1198
1199         fl_set_focus_object(paper_->form, paper_->choice_papersize);
1200 }
1201
1202
1203 void FormDocument::bullets_update(BufferParams const & params)
1204 {
1205         if (!bullets_.get() ||
1206             ((XpmVersion<4) ||
1207              (XpmVersion==4 && XpmRevision<7)))
1208                 return;
1209
1210         bool const isLinuxDoc = lv_.buffer()->isLinuxDoc();
1211         setEnabled(fbullet, !isLinuxDoc);
1212
1213         if (isLinuxDoc) return;
1214
1215         fl_set_button(bullets_->radio_bullet_depth_1, 1);
1216         fl_set_input(bullets_->input_bullet_latex,
1217                      params.user_defined_bullets[0].getText().c_str());
1218         fl_set_choice(bullets_->choice_bullet_size,
1219                       params.user_defined_bullets[0].getSize() + 2);
1220 }
1221
1222
1223 void FormDocument::checkReadOnly()
1224 {
1225         if (bc().readOnly(lv_.buffer()->isReadonly())) {
1226                 combo_doc_class->deactivate();
1227                 combo_language->deactivate();
1228                 postWarning(_("Document is read-only."
1229                               " No changes to layout permitted."));
1230         } else {
1231                 combo_doc_class->activate();
1232                 combo_language->activate();
1233                 clearMessage();
1234         }
1235 }
1236
1237
1238 bool FormDocument::CheckDocumentInput(FL_OBJECT * ob, long)
1239 {
1240         string str;
1241         bool ok = true;
1242         char const * input;
1243
1244         // this has to be all out of if/elseif because it has to deactivate
1245         // the document buttons and so the whole stuff has to be tested again.
1246         // disable OK/Apply if input is not valid
1247         str = fl_get_input(class_->input_doc_skip);
1248         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1249         str = fl_get_input(paper_->input_custom_width);
1250         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1251         str = fl_get_input(paper_->input_custom_height);
1252         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1253         str = fl_get_input(paper_->input_outer_margin);
1254         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1255         str = fl_get_input(paper_->input_inner_margin);
1256         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1257         str = fl_get_input(paper_->input_top_margin);
1258         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1259         str = fl_get_input(paper_->input_bottom_margin);
1260         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1261         str = fl_get_input(paper_->input_head_height);
1262         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1263         str = fl_get_input(paper_->input_head_sep);
1264         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1265         str = fl_get_input(paper_->input_foot_skip);
1266         ok = ok && (str.empty() || isValidLength(str) || isStrDbl(str));
1267
1268         //display warning if input is not valid
1269         if (ob == class_->input_doc_skip
1270             || ob == paper_->input_custom_width
1271             || ob == paper_->input_custom_height
1272             || ob == paper_->input_outer_margin
1273             || ob == paper_->input_inner_margin
1274             || ob == paper_->input_top_margin
1275             || ob == paper_->input_bottom_margin
1276             || ob == paper_->input_head_height
1277             || ob == paper_->input_head_sep
1278             || ob == paper_->input_foot_skip) {
1279                 if (!ok) {
1280                         postWarning(_("Invalid Length (valid example: 10mm)"));
1281                         return false;
1282                 } else {
1283                         clearMessage();
1284                         return true;
1285                 }
1286         }
1287
1288         // "Synchronize" the choice and the input field, so that it
1289         // is impossible to commit senseless data.
1290         input = fl_get_input (class_->input_doc_skip);
1291         if ((fl_get_choice(class_->choice_doc_skip) == 4) && !*input)
1292                 ok = false;
1293         else if (fl_get_choice(class_->choice_doc_skip) != 4)
1294                 fl_set_input (class_->input_doc_skip, "");
1295
1296         input = fl_get_input(class_->input_doc_spacing);
1297         if ((fl_get_choice(class_->choice_doc_spacing) == 4) && !*input)
1298                 ok = false;
1299         else if (fl_get_choice(class_->choice_doc_spacing) != 4)
1300                 fl_set_input (class_->input_doc_spacing, "");
1301         return ok;
1302 }
1303
1304
1305 void FormDocument::ChoiceBulletSize(FL_OBJECT * ob, long /*data*/)
1306 {
1307         BufferParams & param = lv_.buffer()->params;
1308
1309         // convert from 1-6 range to -1-4
1310         param.temp_bullets[current_bullet_depth].setSize(fl_get_choice(ob) - 2);
1311         fl_set_input(bullets_->input_bullet_latex,
1312                      param.temp_bullets[current_bullet_depth].getText().c_str());
1313 }
1314
1315
1316 void FormDocument::InputBulletLaTeX(FL_OBJECT *, long)
1317 {
1318         BufferParams & param = lv_.buffer()->params;
1319
1320         param.temp_bullets[current_bullet_depth].
1321                 setText(fl_get_input(bullets_->input_bullet_latex));
1322 }
1323
1324
1325 void FormDocument::BulletDepth(FL_OBJECT * ob)
1326 {
1327         /* Should I do the following:                                 */
1328         /*  1. change to the panel that the current bullet belongs in */
1329         /*  2. show that bullet as selected                           */
1330         /*  3. change the size setting to the size of the bullet in Q.*/
1331         /*  4. display the latex equivalent in the latex box          */
1332         /*                                                            */
1333         /* I'm inclined to just go with 3 and 4 at the moment and     */
1334         /* maybe try to support the others later                      */
1335         BufferParams & param = lv_.buffer()->params;
1336
1337         int data = 0;
1338         if (ob == bullets_->radio_bullet_depth_1)
1339                 data = 0;
1340         else if (ob == bullets_->radio_bullet_depth_2)
1341                 data = 1;
1342         else if (ob == bullets_->radio_bullet_depth_3)
1343                 data = 2;
1344         else if (ob == bullets_->radio_bullet_depth_4)
1345                 data = 3;
1346
1347         switch (fl_get_button_numb(ob)) {
1348         case 3:
1349                 // right mouse button resets to default
1350                 param.temp_bullets[data] = ITEMIZE_DEFAULTS[data];
1351         default:
1352                 current_bullet_depth = data;
1353                 fl_set_input(bullets_->input_bullet_latex,
1354                              param.temp_bullets[data].getText().c_str());
1355                 fl_set_choice(bullets_->choice_bullet_size,
1356                               param.temp_bullets[data].getSize() + 2);
1357         }
1358 }
1359
1360
1361 void FormDocument::BulletPanel(FL_OBJECT * ob)
1362 {
1363         /* Here we have to change the background pixmap to that selected */
1364         /* by the user. (eg. standard.xpm, psnfss1.xpm etc...)           */
1365
1366         int data = 0;
1367         if (ob == bullets_->radio_bullet_panel_standard)
1368                 data = 0;
1369         else if (ob == bullets_->radio_bullet_panel_maths)
1370                 data = 1;
1371         else if (ob == bullets_->radio_bullet_panel_ding2)
1372                 data = 2;
1373         else if (ob == bullets_->radio_bullet_panel_ding3)
1374                 data = 3;
1375         else if (ob == bullets_->radio_bullet_panel_ding4)
1376                 data = 4;
1377         else if (ob == bullets_->radio_bullet_panel_ding1)
1378                 data = 5;
1379
1380         if (data != current_bullet_panel) {
1381                 fl_freeze_form(bullets_->form);
1382                 current_bullet_panel = data;
1383
1384                 /* free the current pixmap */
1385                 fl_free_bmtable_pixmap(bullets_->bmtable_bullet_panel);
1386                 string new_panel;
1387                 if (ob == bullets_->radio_bullet_panel_standard) {
1388                         new_panel = "standard";
1389                 } else if (ob == bullets_->radio_bullet_panel_maths ) {
1390                         new_panel = "amssymb";
1391                 } else if (ob == bullets_->radio_bullet_panel_ding2) {
1392                         new_panel = "psnfss1";
1393                 } else if (ob == bullets_->radio_bullet_panel_ding3) {
1394                         new_panel = "psnfss2";
1395                 } else if (ob == bullets_->radio_bullet_panel_ding4) {
1396                         new_panel = "psnfss3";
1397                 } else if (ob == bullets_->radio_bullet_panel_ding1) {
1398                         new_panel = "psnfss4";
1399                 } else {
1400                         /* something very wrong happened */
1401                         // play it safe for now but should be an exception
1402                         current_bullet_panel = 0;  // standard panel
1403                         new_panel = "standard";
1404                 }
1405                 new_panel += ".xpm";
1406                 fl_set_bmtable_pixmap_file(bullets_->bmtable_bullet_panel, 6, 6,
1407                                            LibFileSearch("images", new_panel).c_str());
1408                 fl_redraw_object(bullets_->bmtable_bullet_panel);
1409                 fl_unfreeze_form(bullets_->form);
1410         }
1411 }
1412
1413
1414 void FormDocument::BulletBMTable(FL_OBJECT * ob, long /*data*/)
1415 {
1416         /* handle the user input by setting the current bullet depth's pixmap */
1417         /* to that extracted from the current chosen position of the BMTable  */
1418         /* Don't forget to free the button's old pixmap first.                */
1419
1420         BufferParams & param = lv_.buffer()->params;
1421         int bmtable_button = fl_get_bmtable(ob);
1422
1423         /* try to keep the button held down till another is pushed */
1424         /*  fl_set_bmtable(ob, 1, bmtable_button); */
1425         param.temp_bullets[current_bullet_depth].setFont(current_bullet_panel);
1426         param.temp_bullets[current_bullet_depth].setCharacter(bmtable_button);
1427         fl_set_input(bullets_->input_bullet_latex,
1428                      param.temp_bullets[current_bullet_depth].getText().c_str());
1429 }
1430
1431
1432 void FormDocument::CheckChoiceClass(FL_OBJECT * ob, long)
1433 {
1434         if (!ob)
1435                 ob = class_->choice_doc_class;
1436
1437         lv_.prohibitInput();
1438
1439         unsigned int tc = combo_doc_class->get() - 1;
1440         if (textclasslist[tc].load()) {
1441                 // we use a copy of the bufferparams because we do not
1442                 // want to modify them yet.
1443                 BufferParams params = lv_.buffer()->params;
1444
1445                 if (lyxrc.auto_reset_options) {
1446                         params.textclass = tc;
1447                         params.useClassDefaults();
1448                         UpdateLayoutDocument(params);
1449                 } else {
1450                         // update the params which are needed in any case
1451                         // (fontsizes, pagestyle)
1452                         params.textclass = tc;
1453                         UpdateClassParams(params);
1454                 }
1455
1456         } else {
1457                 // unable to load new style
1458                 Alert::alert(_("Conversion Errors!"),
1459                              _("Unable to switch to new document class."),
1460                              _("Reverting to original document class."));
1461                 combo_doc_class->select(int(lv_.buffer()->params.textclass) + 1);
1462         }
1463         lv_.allowInput();
1464 }
1465
1466
1467 void FormDocument::UpdateLayoutDocument(BufferParams const & params)
1468 {
1469         if (!dialog_.get())
1470                 return;
1471
1472         checkReadOnly();
1473         class_update(params);
1474         paper_update(params);
1475         language_update(params);
1476         options_update(params);
1477         bullets_update(params);
1478 }