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