src/frontends/xforms/FormPreferences.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *          Copyright 1995 Matthias Ettrich
   8  *          Copyright 1995-2000 The LyX Team.
   9  *
  10  *======================================================*/
  11 /* FormPreferences.C
  12  * FormPreferences Interface Class Implementation
  13  */
  14
  15 #include <config.h>
  16
  17 #include <utility>
  18 #include <iomanip>
  19 #include <X11/Xlib.h>
  20
  21 #include FORMS_H_LOCATION
  22
  23 #ifdef __GNUG_
  24 #pragma implementation
  25 #endif
  26
  27 #include "Color.h"
  28 #include "LColor.h"
  29 #include "Lsstream.h"
  30 #include "FormPreferences.h"
  31 #include "form_preferences.h"
  32 #include "input_validators.h"
  33 #include "LyXView.h"
  34 #include "language.h"
  35 #include "lyxfunc.h"
  36 #include "Dialogs.h"
  37 #include "lyxrc.h"
  38 #include "combox.h"
  39 #include "debug.h"
  40 #include "support/filetools.h"
  41 #include "lyx_gui_misc.h" // idex, scex
  42 #include "lyxlex.h"
  43 #include "input_validators.h"
  44 #include "xforms_helpers.h"
  45 #include "converter.h"
  46 #include "support/lyxfunctional.h"
  47 #include "support/lyxmanip.h"
  48
  49 using std::endl;
  50 using std::pair;
  51 using std::make_pair;
  52 using std::max;
  53 using std::min;
  54 using std::vector;
  55
  56 extern string system_lyxdir;
  57 extern string user_lyxdir;
  58 extern Languages languages;
  59
  60 // These should probably go inside the class definition...
  61 static Formats    local_formats;
  62 static Converters local_converters;
  63
  64 FormPreferences::FormPreferences(LyXView * lv, Dialogs * d)
  65         : FormBaseBI(lv, d, _("Preferences"), new PreferencesPolicy),
  66           dialog_(0),
  67           converters_tab_(0), inputs_tab_(0), look_n_feel_tab_(0),
  68           outputs_tab_(0),  lang_opts_tab_(0),
  69           warningPosted(false),
  70           colors_(*this), converters_(*this), inputs_misc_(*this),
  71           formats_(*this), interface_(*this), language_(*this),
  72           lnf_misc_(*this), outputs_misc_(*this), paths_(*this),
  73           printer_(*this), screen_fonts_(*this), spellchecker_(*this)
  74 {
  75         // let the dialog be shown
  76         // This is a permanent connection so we won't bother
  77         // storing a copy because we won't be disconnecting.
  78         d->showPreferences.connect(slot(this, &FormPreferences::show));
  79 }
  80
  81
  82 FormPreferences::~FormPreferences()
  83 {
  84         delete converters_tab_;
  85         delete inputs_tab_;
  86         delete look_n_feel_tab_;
  87         delete outputs_tab_;
  88         delete lang_opts_tab_;
  89
  90         delete dialog_;
  91 }
  92
  93
  94 void FormPreferences::connect()
  95 {
  96         fl_set_form_maxsize( dialog_->form, minw_, minh_ );
  97
  98         FormBaseBI::connect();
  99 }
 100
 101
 102 void FormPreferences::disconnect()
 103 {
 104         // colors_->disconnect();
 105         // converters_->disconnect(); //local_converters.Clear();
 106         // formats_->disconnect();    //local_formats.Clear();
 107
 108         FormBaseBI::disconnect();
 109 }
 110
 111
 112 void FormPreferences::redraw()
 113 {
 114         if (!(form() && form()->visible))
 115                 return;
 116         fl_redraw_form(form());
 117
 118         FL_FORM * form2 = fl_get_active_folder(dialog_->tabfolder_prefs);
 119         if (!(form2 && form2->visible))
 120                 return;
 121         fl_redraw_form(form2);
 122
 123         FL_FORM * form3 = 0;
 124         if (form2 == converters_tab_->form)
 125                 form3 = fl_get_active_folder(converters_tab_->tabfolder_outer);
 126
 127         else if (form2 == look_n_feel_tab_->form)
 128                 form3 = fl_get_active_folder(look_n_feel_tab_->tabfolder_outer);
 129
 130         else if (form2 == inputs_tab_->form)
 131                 form3 = fl_get_active_folder(inputs_tab_->tabfolder_outer);
 132
 133         else if (form2 == outputs_tab_->form)
 134                 form3 = fl_get_active_folder(outputs_tab_->tabfolder_outer);
 135
 136         else if (form2 == lang_opts_tab_->form)
 137                 form3 = fl_get_active_folder(lang_opts_tab_->tabfolder_outer);
 138
 139         if (form3 && form3->visible)
 140                 fl_redraw_form(form3);
 141 }
 142
 143
 144 FL_FORM * FormPreferences::form() const
 145 {
 146         if (dialog_) return dialog_->form;
 147         return 0;
 148 }
 149
 150
 151 void FormPreferences::ok()
 152 {
 153         FormBase::ok();
 154
 155         if (colors_.modifiedXformsPrefs) {
 156                 string const filename =
 157                         AddName(user_lyxdir, "preferences.xform");
 158                 colors_.modifiedXformsPrefs = !XformsColor::write(filename);
 159         }
 160
 161         lv_->getLyXFunc()->Dispatch(LFUN_SAVEPREFERENCES);
 162 }
 163
 164
 165 void FormPreferences::hide()
 166 {
 167         // We need to hide the active tabfolder otherwise we get a
 168         // BadDrawable error from X windows and LyX crashes without saving.
 169         FL_FORM * outer_form = fl_get_active_folder(dialog_->tabfolder_prefs);
 170         if (outer_form
 171             && outer_form->visible) {
 172                 fl_hide_form(outer_form);
 173         }
 174         FormBase::hide();
 175 }
 176
 177
 178 void FormPreferences::build()
 179 {
 180         dialog_ = build_preferences();
 181
 182         // Manage the restore, save, apply and cancel/close buttons
 183         bc_.setOK(dialog_->button_ok);
 184         bc_.setApply(dialog_->button_apply);
 185         bc_.setCancel(dialog_->button_cancel);
 186         bc_.setUndoAll(dialog_->button_restore);
 187         bc_.refresh();
 188
 189         // Workaround dumb xforms sizing bug
 190         minw_ = form()->w;
 191         minh_ = form()->h;
 192
 193         // build the tab folders
 194         converters_tab_ = build_outer_tab();
 195         look_n_feel_tab_ = build_outer_tab();
 196         inputs_tab_ = build_outer_tab();
 197         outputs_tab_ = build_outer_tab();
 198         lang_opts_tab_ = build_outer_tab();
 199
 200         // build actual tabfolder contents
 201         // these will become nested tabfolders
 202         colors_.build();
 203         converters_.build();
 204         formats_.build();
 205         inputs_misc_.build();
 206         interface_.build();
 207         language_.build();
 208         lnf_misc_.build();
 209         outputs_misc_.build();
 210         paths_.build();
 211         printer_.build();
 212         screen_fonts_.build();
 213         spellchecker_.build();
 214
 215         // Now add them to the tabfolder
 216         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 217                            _("Look & Feel"),
 218                            look_n_feel_tab_->form);
 219         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 220                            _("Lang Opts"),
 221                            lang_opts_tab_->form);
 222         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 223                            _("Converters"),
 224                            converters_tab_->form);
 225         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 226                            _("Inputs"),
 227                            inputs_tab_->form);
 228         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 229                            _("Outputs"),
 230                            outputs_tab_->form);
 231
 232         // now build the nested tabfolders
 233         // Starting with look and feel
 234         fl_addto_tabfolder(look_n_feel_tab_->tabfolder_outer,
 235                            _("Screen Fonts"),
 236                            screen_fonts_.dialog()->form);
 237         fl_addto_tabfolder(look_n_feel_tab_->tabfolder_outer,
 238                            _("Interface"),
 239                            interface_.dialog()->form);
 240         fl_addto_tabfolder(look_n_feel_tab_->tabfolder_outer,
 241                            _("Colors"),
 242                            colors_.dialog()->form);
 243         fl_addto_tabfolder(look_n_feel_tab_->tabfolder_outer,
 244                            _("Misc"),
 245                            lnf_misc_.dialog()->form);
 246
 247         // then build converters
 248         fl_addto_tabfolder(converters_tab_->tabfolder_outer,
 249                            _("Formats"),
 250                            formats_.dialog()->form);
 251         fl_addto_tabfolder(converters_tab_->tabfolder_outer,
 252                            _("Converters"),
 253                            converters_.dialog()->form);
 254
 255         // then build inputs
 256         // Paths should probably go in a few outer_tab called Files
 257         fl_addto_tabfolder(inputs_tab_->tabfolder_outer,
 258                            _("Paths"),
 259                            paths_.dialog()->form);
 260         fl_addto_tabfolder(inputs_tab_->tabfolder_outer,
 261                            _("Misc"),
 262                            inputs_misc_.dialog()->form);
 263
 264         // then building outputs
 265         fl_addto_tabfolder(outputs_tab_->tabfolder_outer,
 266                            _("Printer"),
 267                            printer_.dialog()->form);
 268         fl_addto_tabfolder(outputs_tab_->tabfolder_outer,
 269                            _("Misc"),
 270                            outputs_misc_.dialog()->form);
 271
 272         // then building usage
 273         fl_addto_tabfolder(lang_opts_tab_->tabfolder_outer,
 274                            _("Spell checker"),
 275                            spellchecker_.dialog()->form);
 276         fl_addto_tabfolder(lang_opts_tab_->tabfolder_outer,
 277                            _("Language"),
 278                            language_.dialog()->form);
 279 }
 280
 281
 282 void FormPreferences::apply()
 283 {
 284         // set the new lyxrc entries
 285         // many of these need to trigger other functions when the assignment
 286         // is made.  For example, screen zoom and font types.  These could be
 287         // handled either by signals/slots in lyxrc or just directly call the
 288         // associated functions here.
 289         // There are other problems with this scheme.  We really should check
 290         // what we copy to make sure that it really is necessary to do things
 291         // like update the screen fonts because that flushes the textcache
 292         // and other stuff which may cost us a lot on slower/high-load
 293         // machines.
 294
 295         colors_.apply();
 296         formats_.apply();    // Must be before converters_.apply()
 297         converters_.apply();
 298         inputs_misc_.apply();
 299         interface_.apply();
 300         language_.apply();
 301         lnf_misc_.apply();
 302         outputs_misc_.apply();
 303         paths_.apply();
 304         printer_.apply();
 305         screen_fonts_.apply();
 306         spellchecker_.apply();
 307 }
 308
 309
 310 void FormPreferences::feedback(FL_OBJECT * ob)
 311 {
 312         Assert(ob);
 313
 314         string str;
 315
 316         if (ob->form->fdui == colors_.dialog()) {
 317                 str = colors_.feedback(ob);
 318         } else if (ob->form->fdui == converters_.dialog()) {
 319                 str = converters_.feedback(ob);
 320         } else if (ob->form->fdui == formats_.dialog()) {
 321                 str = formats_.feedback(ob);
 322         } else if (ob->form->fdui == inputs_misc_.dialog()) {
 323                 str = inputs_misc_.feedback(ob);
 324         } else if (ob->form->fdui == interface_.dialog()) {
 325                 str = interface_.feedback(ob);
 326         } else if (ob->form->fdui == language_.dialog()) {
 327                 str = language_.feedback(ob);
 328         } else if (ob->form->fdui == lnf_misc_.dialog()) {
 329                 str = lnf_misc_.feedback(ob);
 330         } else if (ob->form->fdui == outputs_misc_.dialog()) {
 331                 str = outputs_misc_.feedback(ob);
 332         } else if (ob->form->fdui == paths_.dialog()) {
 333                 str = paths_.feedback(ob);
 334         } else if (ob->form->fdui == printer_.dialog()) {
 335                 str = printer_.feedback(ob);
 336         } else if (ob->form->fdui == screen_fonts_.dialog()) {
 337                 str = screen_fonts_.feedback(ob);
 338         } else if (ob->form->fdui == spellchecker_.dialog()) {
 339                 str = spellchecker_.feedback(ob);
 340         }
 341
 342         str = formatted(_(str), dialog_->text_warning->w-10,
 343                         FL_SMALL_SIZE, FL_NORMAL_STYLE);
 344
 345         fl_set_object_label(dialog_->text_warning, str.c_str());
 346         fl_set_object_lsize(dialog_->text_warning, FL_SMALL_SIZE);
 347 }
 348
 349
 350 bool FormPreferences::input(FL_OBJECT * ob, long)
 351 {
 352         Assert(ob);
 353
 354         // whatever checks you need to ensure the user hasn't entered
 355         // some totally ridiculous value somewhere.  Change activate to suit.
 356         // comments before each test describe what is _valid_
 357
 358         if (ob->form->fdui == colors_.dialog()) {
 359                 colors_.input(ob);
 360                 return true;
 361         } else if (ob->form->fdui == converters_.dialog())
 362                 return converters_.input(ob);
 363         else if (ob->form->fdui == formats_.dialog())
 364                 return formats_.input(ob);
 365         else if (ob->form->fdui == interface_.dialog())
 366                 return interface_.input(ob);
 367         else if (ob->form->fdui == language_.dialog())
 368                 return language_.input(ob);
 369         else if (ob->form->fdui == paths_.dialog())
 370                 return paths_.input(ob);
 371         else if (ob->form->fdui == screen_fonts_.dialog())
 372                 return screen_fonts_.input();
 373         else if (ob->form->fdui == spellchecker_.dialog())
 374                 return spellchecker_.input(ob);
 375
 376         return true;
 377 }
 378
 379
 380 void FormPreferences::update()
 381 {
 382         if (!dialog_) return;
 383
 384         // read lyxrc entries
 385         colors_.update();
 386         formats_.update();   // Must be before converters_.update()
 387         converters_.update();
 388         inputs_misc_.update();
 389         interface_.update();
 390         language_.update();
 391         lnf_misc_.update();
 392         outputs_misc_.update();
 393         paths_.update();
 394         printer_.update();
 395         screen_fonts_.update();
 396         spellchecker_.update();
 397 }
 398
 399
 400 FormPreferences::Colors::~Colors()
 401 {
 402         delete dialog_;
 403 }
 404
 405
 406 void FormPreferences::Colors::apply()
 407 {
 408         bool modifiedText = false;
 409         bool modifiedBackground = false;
 410
 411         for (vector<XformsColor>::const_iterator cit = xformsColorDB.begin();
 412              cit != xformsColorDB.end(); ++cit) {
 413                 RGBColor col;
 414                 fl_getmcolor((*cit).colorID, &col.r, &col.g, &col.b);
 415                 if (col != (*cit).color()) {
 416                         modifiedXformsPrefs = true;
 417                         if ((*cit).colorID == FL_BLACK)
 418                                 modifiedText = true;
 419                         if ((*cit).colorID == FL_COL1)
 420                                 modifiedBackground = true;
 421                 }
 422         }
 423
 424         if (modifiedXformsPrefs) {
 425                 for (vector<XformsColor>::const_iterator cit =
 426                              xformsColorDB.begin();
 427                      cit != xformsColorDB.end(); ++cit) {
 428                         fl_mapcolor((*cit).colorID,
 429                                     (*cit).r, (*cit).g, (*cit).b);
 430
 431                         if (modifiedText && (*cit).colorID == FL_BLACK) {
 432                                 AdjustVal(FL_INACTIVE, FL_BLACK, 0.5);
 433                         }
 434
 435                         if (modifiedBackground && (*cit).colorID == FL_COL1) {
 436                                 AdjustVal(FL_MCOL,      FL_COL1, 0.1);
 437                                 AdjustVal(FL_TOP_BCOL,  FL_COL1, 0.1);
 438                                 AdjustVal(FL_LEFT_BCOL, FL_COL1, 0.1);
 439
 440                                 AdjustVal(FL_RIGHT_BCOL,  FL_COL1, -0.5);
 441                                 AdjustVal(FL_BOTTOM_BCOL, FL_COL1, -0.5);
 442                         }
 443
 444                         if ((*cit).colorID == GUI_COLOR_CURSOR) {
 445                                 fl_mapcolor(GUI_COLOR_CURSOR,
 446                                             (*cit).r, (*cit).g, (*cit).b);
 447                                 fl_set_cursor_color(FL_DEFAULT_CURSOR,
 448                                                     GUI_COLOR_CURSOR, FL_WHITE);
 449                         }
 450                 }
 451                 Dialogs::redrawGUI();
 452         }
 453
 454         // Now do the same for the LyX LColors...
 455         for (vector<NamedColor>::const_iterator cit = lyxColorDB.begin();
 456              cit != lyxColorDB.end(); ++cit) {
 457                 LColor::color lc = lcolor.getFromGUIName((*cit).getname());
 458                 if (lc == LColor::inherit) continue;
 459
 460                 // Create a valid X11 name of the form "#rrggbb"
 461                 string const hexname = X11hexname((*cit).color());
 462
 463                 if (lcolor.getX11Name(lc) != hexname) {
 464                         lyxerr[Debug::GUI]
 465                                 << "FormPreferences::Colors::apply: "
 466                                 << "resetting LColor " << lcolor.getGUIName(lc)
 467                                 << " from \"" << lcolor.getX11Name(lc)
 468                                 << "\" to \"" << hexname << "\"."
 469                                 << endl;
 470
 471                         string const s = lcolor.getLyXName(lc) + string(" ") +
 472                                 hexname;
 473                         parent_.lv_->getLyXFunc()->Dispatch(LFUN_SET_COLOR, s);
 474                 }
 475         }
 476 }
 477
 478
 479 void FormPreferences::Colors::build()
 480 {
 481         dialog_ = parent_.build_colors();
 482
 483         fl_set_object_color(dialog_->button_color,
 484                             GUI_COLOR_CHOICE, GUI_COLOR_CHOICE);
 485
 486         fl_set_object_color(dialog_->dial_hue, GUI_COLOR_HUE_DIAL, FL_BLACK);
 487         fl_set_dial_bounds(dialog_->dial_hue, 0.0, 360.0);
 488         fl_set_dial_step(dialog_->dial_hue, 1.0);
 489         fl_set_dial_return(dialog_->dial_hue, FL_RETURN_CHANGED);
 490
 491         fl_set_slider_bounds(dialog_->slider_saturation, 0.0, 1.0);
 492         fl_set_slider_step(dialog_->slider_saturation, 0.01);
 493         fl_set_slider_return(dialog_->slider_saturation, FL_RETURN_CHANGED);
 494
 495         fl_set_slider_bounds(dialog_->slider_value, 0.0, 1.0);
 496         fl_set_slider_step(dialog_->slider_value, 0.01);
 497         fl_set_slider_return(dialog_->slider_value, FL_RETURN_CHANGED);
 498
 499         fl_set_slider_bounds(dialog_->slider_red, 0.0, 255.0);
 500         fl_set_slider_step(dialog_->slider_red, 1.0);
 501         fl_set_slider_return(dialog_->slider_red, FL_RETURN_CHANGED);
 502
 503         fl_set_slider_bounds(dialog_->slider_green, 0.0, 255.0);
 504         fl_set_slider_step(dialog_->slider_green, 1.0);
 505         fl_set_slider_return(dialog_->slider_green, FL_RETURN_CHANGED);
 506
 507         fl_set_slider_bounds(dialog_->slider_blue, 0.0, 255.0);
 508         fl_set_slider_step(dialog_->slider_blue, 1.0);
 509         fl_set_slider_return(dialog_->slider_blue, FL_RETURN_CHANGED);
 510
 511         // set up the feedback mechanism
 512         setPreHandler(dialog_->browser_lyx_objs);
 513         setPreHandler(dialog_->button_color);
 514         setPreHandler(dialog_->button_modify);
 515         setPreHandler(dialog_->dial_hue);
 516         setPreHandler(dialog_->slider_saturation);
 517         setPreHandler(dialog_->slider_value);
 518         setPreHandler(dialog_->slider_red);
 519         setPreHandler(dialog_->slider_green);
 520         setPreHandler(dialog_->slider_blue);
 521         setPreHandler(dialog_->button_colorspace);
 522 }
 523
 524 string const
 525 FormPreferences::Colors::feedback(FL_OBJECT const * const ob) const
 526 {
 527         string str;
 528
 529         if (ob == dialog_->browser_lyx_objs) {
 530                 str = N_("LyX objects that can be assigned a color.");
 531
 532         } else if (ob == dialog_->button_modify) {
 533                 str = N_("Modify the LyX object's color. Note: you must then \"Apply\" the change.");
 534
 535         } else if (ob == dialog_->dial_hue ||
 536                    ob == dialog_->slider_saturation ||
 537                    ob == dialog_->slider_value ||
 538                    ob == dialog_->slider_red ||
 539                    ob == dialog_->slider_green ||
 540                    ob == dialog_->slider_blue) {
 541                 str = N_("Find a new color.");
 542
 543         } else if (ob == dialog_->button_colorspace) {
 544                 str = N_("Toggle between RGB and HSV color spaces.");
 545         }
 546
 547         return str;
 548 }
 549
 550
 551 void FormPreferences::Colors::input(FL_OBJECT const * const ob)
 552 {
 553         if (ob == dialog_->browser_lyx_objs) {
 554                 InputBrowserLyX();
 555
 556         } else if (ob == dialog_->dial_hue ||
 557                    ob == dialog_->slider_saturation ||
 558                    ob == dialog_->slider_value) {
 559                 InputHSV();
 560
 561         } else if (ob == dialog_->slider_red ||
 562                    ob == dialog_->slider_green ||
 563                    ob == dialog_->slider_blue) {
 564                 InputRGB();
 565
 566         } else if (ob == dialog_->button_colorspace) {
 567                 SwitchColorSpace();
 568
 569         } else if (ob == dialog_->button_modify) {
 570                 Modify();
 571         }
 572 }
 573
 574
 575 void FormPreferences::Colors::AdjustVal(int colAdjust, int colParent,
 576                                         double addVal) const
 577 {
 578         RGBColor rgb;
 579         fl_getmcolor(colParent, &rgb.r, &rgb.g, &rgb.b);
 580
 581         HSVColor hsv(rgb);
 582         hsv.v += addVal;
 583         hsv.v = min( 1.0, max(0.0, hsv.v) );
 584
 585         rgb = RGBColor(hsv);
 586         fl_mapcolor(colAdjust, rgb.r, rgb.g, rgb.b);
 587 }
 588
 589
 590 void FormPreferences::Colors::InputBrowserLyX() const
 591 {
 592         vector<NamedColor>::size_type const selLyX =
 593                 fl_get_browser(dialog_->browser_lyx_objs);
 594         if (selLyX < 1) return;
 595
 596         // Is the choice an Xforms color...
 597         RGBColor col;
 598
 599         if( selLyX-1 < xformsColorDB.size() ) {
 600                 vector<XformsColor>::size_type const i = selLyX - 1;
 601                 col = xformsColorDB[i].color();
 602         }
 603         // or a LyX Logical color?
 604         else {
 605                 vector<NamedColor>::size_type const i = selLyX - 1 -
 606                         xformsColorDB.size();
 607                 col = lyxColorDB[i].color();
 608         }
 609
 610         fl_freeze_form(dialog_->form);
 611
 612         fl_mapcolor(GUI_COLOR_CHOICE, col.r, col.g, col.b);
 613         fl_redraw_object(dialog_->button_color);
 614
 615         // Display either RGB or HSV but not both!
 616         SwitchColorSpace();
 617
 618         // Deactivate the modify button to begin with...
 619         setEnabled(dialog_->button_modify, false);
 620
 621         fl_unfreeze_form(dialog_->form);
 622 }
 623
 624
 625 void FormPreferences::Colors::InputHSV()
 626 {
 627         double const hue = fl_get_dial_value(dialog_->dial_hue);
 628         double const sat = fl_get_slider_value(dialog_->slider_saturation);
 629         double const val = fl_get_slider_value(dialog_->slider_value);
 630
 631         int const h = int(hue);
 632         int const s = int(100.0 * sat);
 633         int const v = int(100.0 * val);
 634
 635         string const label = tostr(h) + string(", ") + tostr(s) + string(", ") +
 636                 tostr(v);
 637         fl_set_object_label(dialog_->text_color_values, label.c_str());
 638
 639         RGBColor col = HSVColor(hue, sat, val);
 640
 641         fl_freeze_form(dialog_->form);
 642
 643         fl_mapcolor(GUI_COLOR_CHOICE, col.r, col.g, col.b);
 644         fl_redraw_object(dialog_->button_color);
 645
 646         col = HSVColor(hue, 1.0, 1.0);
 647         col.r = max(col.r, 0);
 648         fl_mapcolor(GUI_COLOR_HUE_DIAL, col.r, col.g, col.b);
 649         fl_redraw_object(dialog_->dial_hue);
 650
 651         // Ascertain whether to activate the Modify button.
 652         vector<NamedColor>::size_type const selLyX =
 653                 fl_get_browser(dialog_->browser_lyx_objs);
 654
 655         fl_unfreeze_form(dialog_->form);
 656         if (selLyX < 1) return;
 657
 658         fl_getmcolor(GUI_COLOR_CHOICE, &col.r, &col.g, &col.b);
 659         bool modify = false;
 660
 661         // Is the choice an Xforms color...
 662         if( selLyX-1 < xformsColorDB.size() ) {
 663                 vector<XformsColor>::size_type const i = selLyX - 1;
 664                 modify = (xformsColorDB[i].color() != col);
 665         }
 666         // or a LyX Logical color?
 667         else {
 668                 vector<NamedColor>::size_type const i = selLyX - 1 -
 669                         xformsColorDB.size();
 670                 modify = (lyxColorDB[i].color() != col);
 671         }
 672
 673         setEnabled(dialog_->button_modify, modify);
 674 }
 675
 676
 677 void FormPreferences::Colors::InputRGB()
 678 {
 679         int const red   = int(fl_get_slider_value(dialog_->slider_red));
 680         int const green = int(fl_get_slider_value(dialog_->slider_green));
 681         int const blue  = int(fl_get_slider_value(dialog_->slider_blue));
 682
 683         string const label = tostr(red) + string(", ") + tostr(green) +
 684                 string(", ") + tostr(blue);
 685         fl_set_object_label(dialog_->text_color_values, label.c_str());
 686
 687         fl_freeze_form(dialog_->form);
 688
 689         RGBColor col = RGBColor(red, green, blue);
 690         fl_mapcolor(GUI_COLOR_CHOICE, col.r, col.g, col.b);
 691         fl_redraw_object(dialog_->button_color);
 692
 693         // Ascertain whether to activate the Modify button.
 694         vector<NamedColor>::size_type const selLyX =
 695                 fl_get_browser(dialog_->browser_lyx_objs);
 696
 697         fl_unfreeze_form(dialog_->form);
 698         if (selLyX < 1) return;
 699
 700         bool modify = false;
 701
 702         // Is the choice an Xforms color...
 703         if( selLyX-1 < xformsColorDB.size() ) {
 704                 vector<XformsColor>::size_type const i = selLyX - 1;
 705                 modify = (xformsColorDB[i].color() != col);
 706         }
 707         // or a LyX Logical color?
 708         else {
 709                 vector<NamedColor>::size_type const i = selLyX - 1 -
 710                         xformsColorDB.size();
 711                 modify = (lyxColorDB[i].color() != col);
 712         }
 713
 714         setEnabled(dialog_->button_modify, modify);
 715 }
 716
 717
 718 void FormPreferences::Colors::LoadBrowserLyX()
 719 {
 720         if (!dialog_->browser_lyx_objs->visible) return;
 721
 722         // First, define the modifiable xforms colors
 723         xformsColorDB.clear();
 724         XformsColor xcol;
 725
 726         xcol.name = _("GUI background");
 727         xcol.colorID = FL_COL1;
 728         fl_getmcolor(FL_COL1, &xcol.r, &xcol.g, &xcol.b);
 729
 730         xformsColorDB.push_back(xcol);
 731
 732         xcol.name = _("GUI text");
 733         xcol.colorID = FL_BLACK;
 734         fl_getmcolor(FL_BLACK, &xcol.r, &xcol.g, &xcol.b);
 735
 736         fl_mapcolor(GUI_COLOR_CURSOR, xcol.r, xcol.g, xcol.b);
 737         fl_set_cursor_color(FL_DEFAULT_CURSOR, GUI_COLOR_CURSOR, FL_WHITE);
 738
 739         xformsColorDB.push_back(xcol);
 740
 741         xcol.name = _("GUI selection");
 742         xcol.colorID = FL_YELLOW;
 743         fl_getmcolor(FL_YELLOW, &xcol.r, &xcol.g, &xcol.b);
 744
 745         xformsColorDB.push_back(xcol);
 746
 747         xcol.name = _("GUI pointer");
 748         xcol.colorID = GUI_COLOR_CURSOR;
 749         fl_getmcolor(GUI_COLOR_CURSOR, &xcol.r, &xcol.g, &xcol.b);
 750
 751         xformsColorDB.push_back(xcol);
 752
 753         // Now create the the LyX LColors database
 754         lyxColorDB.clear();
 755         for (int i=0; i<LColor::ignore; ++i) {
 756                 LColor::color lc = static_cast<LColor::color>(i);
 757                 if (lc == LColor::none
 758                     || lc == LColor::black
 759                     || lc == LColor::white
 760                     || lc == LColor::red
 761                     || lc == LColor::green
 762                     || lc == LColor::blue
 763                     || lc == LColor::cyan
 764                     || lc == LColor::magenta
 765                     || lc == LColor::yellow
 766                     || lc == LColor::inherit
 767                     || lc == LColor::ignore) continue;
 768
 769                 string const name = lcolor.getX11Name(lc);
 770                 Display * display = fl_get_display();;
 771                 Colormap const colormap = fl_state[fl_get_vclass()].colormap;
 772                 XColor xcol, ccol;
 773
 774                 if (XLookupColor(display, colormap, name.c_str(), &xcol, &ccol)
 775                     == 0) {
 776                         lyxerr << "FormPreferences::Colors::LoadBrowserLyX:\n"
 777                                << "LColor " << lcolor.getLyXName(lc)
 778                                << ": X can't find color \"" << name
 779                                << "\". Set to \"black\"!" << endl;
 780
 781                         string const arg = lcolor.getLyXName(lc) + " black";
 782                         parent_.lv_->getLyXFunc()->
 783                                 Dispatch(LFUN_SET_COLOR, arg);
 784                         continue;
 785                 }
 786
 787                 // X has found the color. Now find the "appropriate" X11 name
 788                 // for this color.
 789
 790                 // Note that X stores the RGB values in the range 0 - 65535
 791                 // whilst we require them in the range 0 - 255.
 792                 RGBColor col;
 793                 col.r = xcol.red   / 256;
 794                 col.g = xcol.green / 256;
 795                 col.b = xcol.blue  / 256;
 796
 797                 // Create a valid X11 name of the form "#rrggbb" and change the
 798                 // LColor X11name to this. Don't want to trigger a redraw,
 799                 // as we're just changing the name not the RGB values.
 800                 // Also reset the system_lcolor names, so that we don't output
 801                 // unnecessary changes.
 802                 string const hexname = X11hexname(col);
 803
 804                 if (lcolor.getX11Name(lc) != hexname) {
 805                         lcolor.setColor(lc, hexname);
 806                         system_lcolor.setColor(lc, hexname);
 807                 }
 808
 809                 // Finally, push the color onto the database
 810                 NamedColor ncol(lcolor.getGUIName(lc), col);
 811                 lyxColorDB.push_back(ncol);
 812         }
 813
 814         // Now construct the browser
 815         FL_OBJECT * colbr = dialog_->browser_lyx_objs;
 816         fl_freeze_form(dialog_->form);
 817         fl_clear_browser(colbr);
 818         for (vector<XformsColor>::const_iterator cit = xformsColorDB.begin();
 819              cit != xformsColorDB.end(); ++cit) {
 820                 fl_addto_browser(colbr, (*cit).getname().c_str());
 821         }
 822         for (vector<NamedColor>::const_iterator cit = lyxColorDB.begin();
 823              cit != lyxColorDB.end(); ++cit) {
 824                 fl_addto_browser(colbr, (*cit).getname().c_str());
 825         }
 826
 827         // just to be safe...
 828         fl_set_browser_topline(dialog_->browser_lyx_objs, 1);
 829         fl_select_browser_line(dialog_->browser_lyx_objs, 1);
 830         fl_unfreeze_form(dialog_->form);
 831
 832         InputBrowserLyX();
 833 }
 834
 835
 836 void FormPreferences::Colors::Modify()
 837 {
 838         vector<NamedColor>::size_type const selLyX =
 839                 fl_get_browser(dialog_->browser_lyx_objs);
 840         if (selLyX < 1) return;
 841
 842         RGBColor col;
 843         fl_getmcolor(GUI_COLOR_CHOICE, &col.r, &col.g, &col.b);
 844
 845         // Is the choice an Xforms color...
 846         if( selLyX-1 < xformsColorDB.size() ) {
 847                 vector<XformsColor>::size_type const i = selLyX - 1;
 848                 xformsColorDB[i].r  = col.r;
 849                 xformsColorDB[i].g  = col.g;
 850                 xformsColorDB[i].b  = col.b;
 851         }
 852         // or a LyX Logical color?
 853         else {
 854                 vector<NamedColor>::size_type const i = selLyX - 1 -
 855                         xformsColorDB.size();
 856                 lyxColorDB[i].r  = col.r;
 857                 lyxColorDB[i].g  = col.g;
 858                 lyxColorDB[i].b  = col.b;
 859         }
 860
 861         fl_freeze_form(dialog_->form);
 862         setEnabled(dialog_->button_modify, false);
 863         fl_unfreeze_form(dialog_->form);
 864 }
 865
 866
 867 void FormPreferences::Colors::SwitchColorSpace() const
 868 {
 869         bool const pressed = fl_get_button(dialog_->button_colorspace);
 870
 871         RGBColor col;
 872         fl_getmcolor(GUI_COLOR_CHOICE, &col.r, &col.g, &col.b);
 873
 874         fl_freeze_form(dialog_->form);
 875
 876         if (pressed) {
 877                 fl_set_object_label(dialog_->button_colorspace, _("HSV"));
 878
 879                 fl_hide_object(dialog_->slider_red);
 880                 fl_hide_object(dialog_->slider_blue);
 881                 fl_hide_object(dialog_->slider_green);
 882                 fl_show_object(dialog_->dial_hue);
 883                 fl_show_object(dialog_->slider_saturation);
 884                 fl_show_object(dialog_->slider_value);
 885
 886                 HSVColor hsv = HSVColor(col);
 887                 hsv.h = max(hsv.h, 0.0);
 888
 889                 fl_set_dial_value(dialog_->dial_hue, hsv.h);
 890                 fl_set_slider_value(dialog_->slider_saturation, hsv.s);
 891                 fl_set_slider_value(dialog_->slider_value, hsv.v);
 892
 893                 col = HSVColor(hsv.h, 1.0, 1.0);
 894                 col.r = max(col.r,0);
 895                 fl_mapcolor(GUI_COLOR_HUE_DIAL, col.r, col.g, col.b);
 896                 fl_redraw_object(dialog_->dial_hue);
 897
 898                 // Adjust the label a bit, but not the actual values.
 899                 // Means that toggling from one space to the other has no
 900                 // effect on the final color.
 901                 int const h = int(hsv.h);
 902                 int const s = int(100*hsv.s);
 903                 int const v = int(100*hsv.v);
 904                 string const label = tostr(h) + string(", ") + tostr(s) +
 905                         string(", ") + tostr(v);
 906                 fl_set_object_label(dialog_->text_color_values, label.c_str());
 907
 908         } else {
 909                 fl_set_object_label(dialog_->button_colorspace, _("RGB"));
 910
 911                 fl_show_object(dialog_->slider_red);
 912                 fl_show_object(dialog_->slider_blue);
 913                 fl_show_object(dialog_->slider_green);
 914                 fl_hide_object(dialog_->dial_hue);
 915                 fl_hide_object(dialog_->slider_saturation);
 916                 fl_hide_object(dialog_->slider_value);
 917
 918                 fl_set_slider_value(dialog_->slider_red,   col.r);
 919                 fl_set_slider_value(dialog_->slider_green, col.g);
 920                 fl_set_slider_value(dialog_->slider_blue,  col.b);
 921
 922                 // Adjust the label a bit. Same reasoning as above.
 923                 int const r = int(col.r);
 924                 int const g = int(col.g);
 925                 int const b = int(col.b);
 926                 string const label = tostr(r) + string(", ") + tostr(g) +
 927                         string(", ") + tostr(b);
 928                 fl_set_object_label(dialog_->text_color_values, label.c_str());
 929         }
 930
 931         fl_unfreeze_form(dialog_->form);
 932 }
 933
 934 string const FormPreferences::Colors::X11hexname(RGBColor const & col) const
 935 {
 936         ostringstream ostr;
 937
 938         ostr << "#" << std::setbase(16) << std::setfill('0')
 939              << std::setw(2) << col.r
 940              << std::setw(2) << col.g
 941              << std::setw(2) << col.b;
 942
 943         return ostr.str().c_str();
 944 }
 945
 946
 947 FormPreferences::Converters::~Converters()
 948 {
 949         delete dialog_;
 950 }
 951
 952
 953 void FormPreferences::Converters::apply() const
 954 {
 955         converters = local_converters;
 956         converters.Update(formats);
 957         converters.BuildGraph();
 958 }
 959
 960
 961 void FormPreferences::Converters::build()
 962 {
 963         dialog_ = parent_.build_converters();
 964
 965         fl_set_input_return(dialog_->input_converter, FL_RETURN_CHANGED);
 966         fl_set_input_return(dialog_->input_flags, FL_RETURN_CHANGED);
 967
 968         // set up the feedback mechanism
 969         setPreHandler(dialog_->browser_all);
 970         setPreHandler(dialog_->button_delete);
 971         setPreHandler(dialog_->button_add);
 972         setPreHandler(dialog_->input_converter);
 973         setPreHandler(dialog_->choice_from);
 974         setPreHandler(dialog_->choice_to);
 975         setPreHandler(dialog_->input_flags);
 976 }
 977
 978
 979 string const
 980 FormPreferences::Converters::feedback(FL_OBJECT const * const ob) const
 981 {
 982         string str;
 983
 984         if (ob == dialog_->browser_all) {
 985                 str = N_("All the currently defined converters known to LyX.");
 986         } else if (ob == dialog_->choice_from) {
 987                 str = N_("Convert \"from\" this format");
 988         } else if (ob == dialog_->choice_to) {
 989                 str = N_("Convert \"to\" this format");
 990         } else if (ob == dialog_->input_converter) {
 991                 str = N_("The conversion command. $$i is the input file name, $$b is the file name without its extension and $$o is the name of the output file.");
 992         } else if (ob == dialog_->input_flags) {
 993                 str = N_("Flags that control the converter behavior");
 994         } else if (ob == dialog_->button_delete) {
 995                 str = N_("Remove the current converter from the list of available converters. Note: you must then \"Apply\" the change.");
 996         } else if (ob == dialog_->button_add) {
 997                 if (string(ob->label) == _("Add"))
 998                         str = N_("Add the current converter to the list of available converters. Note: you must then \"Apply\" the change.");
 999                 else
1000                         str = N_("Modify the contents of the current converter. Note: you must then \"Apply\" the change.");
1001         }
1002
1003         return str;
1004 }
1005
1006
1007 bool FormPreferences::Converters::input(FL_OBJECT const * const ob)
1008 {
1009         if (ob == dialog_->browser_all) {
1010                 return Browser();
1011
1012         } else if (ob == dialog_->choice_from
1013                    || ob == dialog_->choice_to
1014                    || ob == dialog_->input_converter
1015                    || ob == dialog_->input_flags) {
1016                 return Input();
1017
1018         } else if (ob == dialog_->button_add) {
1019                 return Add();
1020
1021         } else if (ob == dialog_->button_delete) {
1022                 return Delete();
1023         }
1024
1025         return true;
1026 }
1027
1028
1029 void FormPreferences::Converters::update()
1030 {
1031         local_converters = converters;
1032         local_converters.Update(local_formats);
1033         UpdateBrowser();
1034 }
1035
1036
1037 void FormPreferences::Converters::UpdateBrowser()
1038 {
1039         local_converters.Sort();
1040
1041         fl_freeze_form(dialog_->form);
1042         fl_clear_browser(dialog_->browser_all);
1043         for (::Converters::const_iterator cit = local_converters.begin();
1044              cit != local_converters.end(); ++cit) {
1045                 string const name = (*cit).From->prettyname() + " -> "
1046                         + (*cit).To->prettyname();
1047                 fl_addto_browser(dialog_->browser_all, name.c_str());
1048         }
1049         Input();
1050         fl_unfreeze_form(dialog_->form);
1051 }
1052
1053
1054 bool FormPreferences::Converters::Add()
1055 {
1056         string const from = GetFrom();
1057         string const to = GetTo();
1058         string const command = fl_get_input(dialog_->input_converter);
1059         string const flags = fl_get_input(dialog_->input_flags);
1060
1061         Converter const * old = local_converters.GetConverter(from, to);
1062         local_converters.Add(from, to, command, flags);
1063         if (!old) {
1064                 local_converters.UpdateLast(local_formats);
1065                 UpdateBrowser();
1066         }
1067         setEnabled(dialog_->button_add, false);
1068
1069         return true;
1070 }
1071
1072
1073 bool FormPreferences::Converters::Browser()
1074 {
1075         int const i = fl_get_browser(dialog_->browser_all);
1076         if (i <= 0) return false;
1077
1078         fl_freeze_form(dialog_->form);
1079
1080         Converter const & c = local_converters.Get(i-1);
1081         int j = local_formats.GetNumber(c.from);
1082         if (j >= 0)
1083                 fl_set_choice(dialog_->choice_from, j+1);
1084
1085         j = local_formats.GetNumber(c.to);
1086         if (j >= 0)
1087                 fl_set_choice(dialog_->choice_to, j+1);
1088
1089         fl_set_input(dialog_->input_converter, c.command.c_str());
1090         fl_set_input(dialog_->input_flags, c.flags.c_str());
1091
1092         fl_set_object_label(dialog_->button_add, idex(_("Modify|#M")));
1093         fl_set_button_shortcut(dialog_->button_add,
1094                                 scex(_("Modify|#M")), 1);
1095
1096         setEnabled(dialog_->button_add,    false);
1097         setEnabled(dialog_->button_delete, true);
1098
1099         fl_unfreeze_form(dialog_->form);
1100         return false;
1101 }
1102
1103
1104 bool FormPreferences::Converters::Delete()
1105 {
1106         string const from = GetFrom();
1107         string const to = GetTo();
1108
1109         local_converters.Delete(from, to);
1110         UpdateBrowser();
1111         return true;
1112 }
1113
1114
1115 bool FormPreferences::Converters::Input()
1116 {
1117         string const from = GetFrom();
1118         string const to = GetTo();
1119         int const sel = local_converters.GetNumber(from, to);
1120
1121         fl_freeze_form(dialog_->form);
1122
1123         if (sel < 0) {
1124                 fl_set_object_label(dialog_->button_add,
1125                                      idex(_("Add|#A")));
1126                 fl_set_button_shortcut(dialog_->button_add,
1127                                         scex(_("Add|#A")), 1);
1128
1129                 fl_deselect_browser(dialog_->browser_all);
1130                 setEnabled(dialog_->button_delete, false);
1131
1132         } else {
1133                 fl_set_object_label(dialog_->button_add,
1134                                      idex(_("Modify|#M")));
1135                 fl_set_button_shortcut(dialog_->button_add,
1136                                         scex(_("Modify|#M")), 1);
1137
1138                 int top = max(sel-5, 0);
1139                 fl_set_browser_topline(dialog_->browser_all, top);
1140                 fl_select_browser_line(dialog_->browser_all, sel+1);
1141                 setEnabled(dialog_->button_delete, true);
1142         }
1143
1144         string const command = fl_get_input(dialog_->input_converter);
1145         bool const enable = !(command.empty() || from == to);
1146         setEnabled(dialog_->button_add, enable);
1147
1148         fl_unfreeze_form(dialog_->form);
1149         return false;
1150 }
1151
1152
1153 string const FormPreferences::Converters::GetFrom() const
1154 {
1155         ::Formats::FormatList::size_type const i =
1156                 fl_get_choice(dialog_->choice_from);
1157
1158         if (i > 0 && i <= local_formats.size())
1159                 return local_formats.Get(i-1).name();
1160         else {
1161                 lyxerr << "FormPreferences::Converters::GetFrom: No choice!"
1162                        << endl;
1163                 return "???";
1164         }
1165 }
1166
1167
1168 string const FormPreferences::Converters::GetTo() const
1169 {
1170         ::Formats::FormatList::size_type const i =
1171                 fl_get_choice(dialog_->choice_from);
1172
1173         if (i > 0 && i <= local_formats.size())
1174                 return local_formats.Get(i-1).name();
1175         else {
1176                 lyxerr << "FormPreferences::Converters::GetTo: No choice!"
1177                        << endl;
1178                 return "???";
1179         }
1180 }
1181
1182
1183 void FormPreferences::Converters::UpdateChoices() const
1184 {
1185         string choice;
1186         for (::Formats::const_iterator cit = local_formats.begin();
1187              cit != local_formats.end(); ++cit) {
1188                 if (!choice.empty())
1189                         choice += " | ";
1190                 else
1191                         choice += " ";
1192                 choice += (*cit).prettyname();
1193         }
1194         choice += " ";
1195
1196         fl_clear_choice(dialog_->choice_from);
1197         fl_addto_choice(dialog_->choice_from, choice.c_str());
1198
1199         fl_clear_choice(dialog_->choice_to);
1200         fl_addto_choice(dialog_->choice_to, choice.c_str());
1201 }
1202
1203
1204 FormPreferences::Formats::~Formats()
1205 {
1206         delete dialog_;
1207 }
1208
1209
1210 void FormPreferences::Formats::apply() const
1211 {
1212         formats = local_formats;
1213 }
1214
1215
1216 void FormPreferences::Formats::build()
1217 {
1218         dialog_ = parent_.build_formats();
1219
1220         fl_set_input_return(dialog_->input_format, FL_RETURN_CHANGED);
1221         fl_set_input_return(dialog_->input_viewer, FL_RETURN_CHANGED);
1222         fl_set_input_return(dialog_->input_shrtcut, FL_RETURN_CHANGED);
1223         fl_set_input_return(dialog_->input_gui_name, FL_RETURN_CHANGED);
1224         fl_set_input_return(dialog_->input_extension, FL_RETURN_CHANGED);
1225
1226         fl_set_input_filter(dialog_->input_format, fl_lowercase_filter);
1227
1228         // set up the feedback mechanism
1229         setPreHandler(dialog_->browser_all);
1230         setPreHandler(dialog_->input_format);
1231         setPreHandler(dialog_->input_gui_name);
1232         setPreHandler(dialog_->button_delete);
1233         setPreHandler(dialog_->button_add);
1234         setPreHandler(dialog_->input_extension);
1235         setPreHandler(dialog_->input_viewer);
1236         setPreHandler(dialog_->input_shrtcut);
1237 }
1238
1239
1240 string const
1241 FormPreferences::Formats::feedback(FL_OBJECT const * const ob) const
1242 {
1243         string str;
1244
1245         if (ob == dialog_->browser_all) {
1246                 str = N_("All the currently defined formats known to LyX.");
1247         } else if (ob == dialog_->input_format) {
1248                 str = N_("The format identifier.");
1249         } else if (ob == dialog_->input_gui_name) {
1250                 str = N_("The format name as it will appear in the menus.");
1251         } else if (ob == dialog_->input_shrtcut) {
1252                 str = N_("The keyboard accelerator. Use a letter in the GUI name. Case sensitive.");
1253         } else if (ob == dialog_->input_extension) {
1254                 str = N_("Used to recognize the file. E.g., ps, pdf, tex.");
1255         } else if (ob == dialog_->input_viewer) {
1256                 str = N_("The command used to launch the viewer application.");
1257         } else if (ob == dialog_->button_delete) {
1258                 str = N_("Remove the current format from the list of available formats. Note: you must then \"Apply\" the change.");
1259         } else if (ob == dialog_->button_add) {
1260                 if (string(ob->label) == _("Add"))
1261                         str = N_("Add the current format to the list of available formats. Note: you must then \"Apply\" the change.");
1262                 else
1263                         str = N_("Modify the contents of the current format. Note: you must then \"Apply\" the change.");
1264         }
1265
1266         return str;
1267 }
1268
1269
1270 bool FormPreferences::Formats::input(FL_OBJECT const * const ob)
1271 {
1272         if (ob == dialog_->browser_all) {
1273                 return Browser();
1274
1275         } else if (ob == dialog_->input_format
1276                    || ob == dialog_->input_gui_name
1277                    || ob == dialog_->input_shrtcut
1278                    || ob == dialog_->input_extension
1279                    || ob == dialog_->input_viewer) {
1280                 return Input();
1281
1282         } else if (ob == dialog_->button_add) {
1283                 return Add();
1284
1285         } else if (ob == dialog_->button_delete) {
1286                 return Delete();
1287         }
1288
1289         return false;
1290 }
1291
1292
1293 void FormPreferences::Formats::update()
1294 {
1295         local_formats = formats;
1296         UpdateBrowser();
1297 }
1298
1299
1300 void FormPreferences::Formats::UpdateBrowser()
1301 {
1302         local_formats.Sort();
1303
1304         fl_freeze_form(dialog_->form);
1305         fl_deselect_browser(dialog_->browser_all);
1306         fl_clear_browser(dialog_->browser_all);
1307         for (::Formats::const_iterator cit = local_formats.begin();
1308              cit != local_formats.end(); ++cit)
1309                 fl_addto_browser(dialog_->browser_all,
1310                                  (*cit).prettyname().c_str());
1311
1312         Input();
1313         fl_unfreeze_form(dialog_->form);
1314
1315         // Mustn't forget to update the Formats available to the converters_
1316         parent_.converters_.UpdateChoices();
1317         local_converters.Update(local_formats);
1318 }
1319
1320
1321 bool FormPreferences::Formats::Add()
1322 {
1323         string const name = fl_get_input(dialog_->input_format);
1324         string const prettyname = fl_get_input(dialog_->input_gui_name);
1325         string const extension = fl_get_input(dialog_->input_extension);
1326         string const shortcut =  fl_get_input(dialog_->input_shrtcut);
1327         string const viewer =  fl_get_input(dialog_->input_viewer);
1328
1329         Format const * old = local_formats.GetFormat(name);
1330         string const old_prettyname = old ? old->prettyname() : string();
1331         local_formats.Add(name, extension, prettyname, shortcut);
1332         local_formats.SetViewer(name, viewer);
1333         if (!old || prettyname != old_prettyname) {
1334                 UpdateBrowser();
1335                 if (old)
1336                         parent_.converters_.UpdateBrowser();
1337         }
1338         setEnabled(dialog_->button_add, false);
1339
1340         return true;
1341 }
1342
1343
1344 bool FormPreferences::Formats::Browser()
1345 {
1346         int const i = fl_get_browser(dialog_->browser_all);
1347         if (i <= 0) return false;
1348
1349         fl_freeze_form(dialog_->form);
1350
1351         Format const & f = local_formats.Get(i-1);
1352
1353         fl_set_input(dialog_->input_format, f.name().c_str());
1354         fl_set_input(dialog_->input_gui_name, f.prettyname().c_str());
1355         fl_set_input(dialog_->input_shrtcut, f.shortcut().c_str());
1356         fl_set_input(dialog_->input_extension, f.extension().c_str());
1357         fl_set_input(dialog_->input_viewer, f.viewer().c_str());
1358
1359         fl_set_object_label(dialog_->button_add, idex(_("Modify|#M")));
1360         fl_set_button_shortcut(dialog_->button_add, scex(_("Modify|#M")), 1);
1361
1362         setEnabled(dialog_->button_add,    false);
1363         setEnabled(dialog_->button_delete, true);
1364
1365         fl_unfreeze_form(dialog_->form);
1366         return false;
1367 }
1368
1369
1370 bool FormPreferences::Formats::Delete()
1371 {
1372         string const name = fl_get_input(dialog_->input_format);
1373
1374         if (local_converters.FormatIsUsed(name)) {
1375                 parent_.printWarning(_("Cannot remove a Format used by a Converter. Remove the converter first."));
1376                 setEnabled(dialog_->button_delete, false);
1377                 return false;
1378         }
1379
1380         local_formats.Delete(name);
1381         UpdateBrowser();
1382         return true;
1383 }
1384
1385
1386 bool FormPreferences::Formats::Input()
1387 {
1388         string const name = fl_get_input(dialog_->input_format);
1389         int const sel = local_formats.GetNumber(name);
1390         fl_freeze_form(dialog_->form);
1391
1392         if (sel < 0) {
1393                 fl_set_object_label(dialog_->button_add,
1394                                      idex(_("Add|#A")));
1395                 fl_set_button_shortcut(dialog_->button_add,
1396                                         scex(_("Add|#A")), 1);
1397
1398                 fl_deselect_browser(dialog_->browser_all);
1399                 setEnabled(dialog_->button_delete, false);
1400
1401         } else {
1402                 fl_set_object_label(dialog_->button_add,
1403                                      idex(_("Modify|#M")));
1404                 fl_set_button_shortcut(dialog_->button_add,
1405                                         scex(_("Modify|#M")), 1);
1406
1407                 int const top = max(sel-5, 0);
1408                 fl_set_browser_topline(dialog_->browser_all, top);
1409                 fl_select_browser_line(dialog_->browser_all, sel+1);
1410
1411                 setEnabled(dialog_->button_add, true);
1412                 setEnabled(dialog_->button_delete, true);
1413         }
1414
1415         string const prettyname = fl_get_input(dialog_->input_gui_name);
1416         bool const enable = !(name.empty() || prettyname.empty());
1417         setEnabled(dialog_->button_add, enable);
1418
1419         fl_unfreeze_form(dialog_->form);
1420         return false;
1421 }
1422
1423
1424 FormPreferences::InputsMisc::~InputsMisc()
1425 {
1426         delete dialog_;
1427 }
1428
1429
1430 void FormPreferences::InputsMisc::apply() const
1431 {
1432         lyxrc.date_insert_format =
1433                 fl_get_input(dialog_->input_date_format);
1434 }
1435
1436
1437 void FormPreferences::InputsMisc::build()
1438 {
1439         dialog_ = parent_.build_inputs_misc();
1440
1441         fl_set_input_return(dialog_->input_date_format, FL_RETURN_CHANGED);
1442
1443         // set up the feedback mechanism
1444         setPreHandler(dialog_->input_date_format);
1445 }
1446
1447
1448 string const
1449 FormPreferences::InputsMisc::feedback(FL_OBJECT const * const ob) const
1450 {
1451         string str;
1452
1453         if (ob == dialog_->input_date_format)
1454                 str = lyxrc.getDescription(LyXRC::RC_DATE_INSERT_FORMAT);
1455
1456         return str;
1457 }
1458
1459
1460 void FormPreferences::InputsMisc::update()
1461 {
1462         fl_set_input(dialog_->input_date_format,
1463                      lyxrc.date_insert_format.c_str());
1464 }
1465
1466
1467 FormPreferences::Interface::~Interface()
1468 {
1469         delete dialog_;
1470 }
1471
1472
1473 void FormPreferences::Interface::apply() const
1474 {
1475         lyxrc.popup_font_name =
1476                 fl_get_input(dialog_->input_popup_font);
1477         lyxrc.menu_font_name = fl_get_input(dialog_->input_menu_font);
1478         lyxrc.font_norm_menu =
1479                 fl_get_input(dialog_->input_popup_encoding);
1480         lyxrc.bind_file = fl_get_input(dialog_->input_bind_file);
1481         lyxrc.ui_file = fl_get_input(dialog_->input_ui_file);
1482         lyxrc.override_x_deadkeys =
1483                 fl_get_button(dialog_->check_override_x_dead_keys);
1484 }
1485
1486
1487 void FormPreferences::Interface::build()
1488 {
1489         dialog_ = parent_.build_interface();
1490
1491         fl_set_input_return(dialog_->input_popup_font, FL_RETURN_CHANGED);
1492         fl_set_input_return(dialog_->input_menu_font, FL_RETURN_CHANGED);
1493         fl_set_input_return(dialog_->input_popup_encoding, FL_RETURN_CHANGED);
1494         fl_set_input_return(dialog_->input_bind_file, FL_RETURN_CHANGED);
1495         fl_set_input_return(dialog_->input_ui_file, FL_RETURN_CHANGED);
1496
1497         // set up the feedback mechanism
1498         setPreHandler(dialog_->input_popup_font);
1499         setPreHandler(dialog_->input_menu_font);
1500         setPreHandler(dialog_->input_popup_encoding);
1501         setPreHandler(dialog_->input_bind_file);
1502         setPreHandler(dialog_->button_bind_file_browse);
1503         setPreHandler(dialog_->input_ui_file);
1504         setPreHandler(dialog_->button_ui_file_browse);
1505         setPreHandler(dialog_->check_override_x_dead_keys);
1506 }
1507
1508
1509 string const
1510 FormPreferences::Interface::feedback(FL_OBJECT const * const ob) const
1511 {
1512         string str;
1513
1514         if (ob == dialog_->input_popup_font)
1515                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_POPUP);
1516         else if (ob == dialog_->input_menu_font)
1517                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_MENU);
1518         else if (ob == dialog_->input_popup_encoding)
1519                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_ENCODING_MENU);
1520         else if (ob == dialog_->input_bind_file)
1521                 str = lyxrc.getDescription(LyXRC::RC_BINDFILE);
1522         else if (ob == dialog_->input_ui_file)
1523                 str = lyxrc.getDescription(LyXRC::RC_UIFILE);
1524         else if (ob == dialog_->check_override_x_dead_keys)
1525                 str = lyxrc.getDescription(LyXRC::RC_OVERRIDE_X_DEADKEYS);
1526
1527         return str;
1528 }
1529
1530
1531 bool FormPreferences::Interface::input(FL_OBJECT const * const ob)
1532 {
1533         if (ob == dialog_->button_bind_file_browse) {
1534                 string dir  = AddName(system_lyxdir, "bind");
1535                 string name = N_("Sys Bind");
1536                 pair<string,string> dir1(name, dir);
1537
1538                 dir = AddName(user_lyxdir, "bind");
1539                 name = N_("User Bind");
1540                 pair<string,string> dir2(name, dir);
1541
1542                 parent_.browse(dialog_->input_bind_file,
1543                                N_("Bind file"), "*.bind", dir1, dir2);
1544
1545         } else if (ob == dialog_->button_ui_file_browse) {
1546                 string dir  = AddName(system_lyxdir, "ui");
1547                 string name = N_("Sys UI");
1548                 pair<string,string> dir1(name, dir);
1549
1550                 dir = AddName(user_lyxdir, "ui");
1551                 name = N_("User UI");
1552                 pair<string,string> dir2(name, dir);
1553
1554                 parent_.browse(dialog_->input_ui_file,
1555                                N_("UI file"), "*.ui", dir1, dir2);
1556         }
1557
1558         return true;
1559 }
1560
1561
1562 void FormPreferences::Interface::update()
1563 {
1564         fl_set_input(dialog_->input_popup_font,
1565                      lyxrc.popup_font_name.c_str());
1566         fl_set_input(dialog_->input_menu_font,
1567                      lyxrc.menu_font_name.c_str());
1568         fl_set_input(dialog_->input_popup_encoding,
1569                      lyxrc.font_norm_menu.c_str());
1570         fl_set_input(dialog_->input_bind_file,
1571                      lyxrc.bind_file.c_str());
1572         fl_set_input(dialog_->input_ui_file,
1573                      lyxrc.ui_file.c_str());
1574         fl_set_button(dialog_->check_override_x_dead_keys,
1575                       lyxrc.override_x_deadkeys);
1576 }
1577
1578
1579 FormPreferences::Language::~Language()
1580 {
1581         delete combo_default_lang;
1582         delete dialog_;
1583 }
1584
1585
1586 void FormPreferences::Language::apply()
1587 {
1588         lyxrc.default_language = combo_default_lang->getline();
1589
1590         int button = fl_get_button(dialog_->check_use_kbmap);
1591         string const name_1 = fl_get_input(dialog_->input_kbmap1);
1592         string const name_2 = fl_get_input(dialog_->input_kbmap2);
1593         if (button)
1594                 button = !(name_1.empty() && name_2.empty());
1595         lyxrc.use_kbmap = static_cast<bool>(button);
1596
1597         if (lyxrc.use_kbmap) {
1598                 lyxrc.primary_kbmap = name_1;
1599                 lyxrc.secondary_kbmap = name_2;
1600         }
1601
1602         button = fl_get_button(dialog_->check_rtl_support);
1603         lyxrc.rtl_support = static_cast<bool>(button);
1604
1605         button = fl_get_button(dialog_->check_mark_foreign);
1606         lyxrc.mark_foreign_language = static_cast<bool>(button);
1607
1608         button = fl_get_button(dialog_->check_auto_begin);
1609         lyxrc.language_auto_begin = static_cast<bool>(button);
1610
1611         button = fl_get_button(dialog_->check_auto_end);
1612         lyxrc.language_auto_end = static_cast<bool>(button);
1613
1614         button = fl_get_button(dialog_->check_use_babel);
1615         lyxrc.language_use_babel = static_cast<bool>(button);
1616
1617         button = fl_get_button(dialog_->check_global_options);
1618         lyxrc.language_global_options = static_cast<bool>(button);
1619
1620         lyxrc.language_package = fl_get_input(dialog_->input_package);
1621         lyxrc.language_command_begin = fl_get_input(dialog_->input_command_begin);
1622         lyxrc.language_command_end = fl_get_input(dialog_->input_command_end);
1623
1624         // Ensure that all is self-consistent.
1625         update();
1626 }
1627
1628
1629 void FormPreferences::Language::build()
1630 {
1631         dialog_ = parent_.build_language();
1632
1633         fl_set_input_return(dialog_->input_package, FL_RETURN_CHANGED);
1634         fl_set_input_return(dialog_->input_command_begin, FL_RETURN_CHANGED);
1635         fl_set_input_return(dialog_->input_command_end, FL_RETURN_CHANGED);
1636
1637         // The default_language is a combo-box and has to be inserted manually
1638         fl_freeze_form(dialog_->form);
1639         fl_addto_form(dialog_->form);
1640
1641         FL_OBJECT * obj = dialog_->choice_default_lang;
1642         fl_deactivate_object(dialog_->choice_default_lang);
1643         combo_default_lang = new Combox(FL_COMBOX_DROPLIST);
1644         combo_default_lang->add(obj->x, obj->y, obj->w, obj->h, 400,
1645                                 parent_.lang_opts_tab_->tabfolder_outer,
1646                                 parent_.dialog_->tabfolder_prefs);
1647         combo_default_lang->shortcut("#L",1);
1648         combo_default_lang->setcallback(ComboCB, &parent_);
1649
1650         for (Languages::const_iterator cit = languages.begin();
1651             cit != languages.end(); ++cit) {
1652                 combo_default_lang->addto((*cit).second.lang());
1653         }
1654
1655         fl_end_form();
1656         fl_unfreeze_form(dialog_->form);
1657
1658         // set up the feedback mechanism
1659         setPreHandler(dialog_->input_package);
1660         setPreHandler(dialog_->check_use_kbmap);
1661
1662         // This is safe, as nothing is done to the pointer, other than
1663         // to use its address in a block-if statement.
1664         // No it's not! Leads to crash.
1665         // setPreHandler(
1666         //              reinterpret_cast<FL_OBJECT *>(combo_default_lang),
1667         //              C_FormPreferencesFeedbackCB);
1668
1669         setPreHandler(dialog_->input_kbmap1);
1670         setPreHandler(dialog_->input_kbmap2);
1671         setPreHandler(dialog_->check_rtl_support);
1672         setPreHandler(dialog_->check_mark_foreign);
1673         setPreHandler(dialog_->check_auto_begin);
1674         setPreHandler(dialog_->check_auto_end);
1675         setPreHandler(dialog_->check_use_babel);
1676         setPreHandler(dialog_->check_global_options);
1677         setPreHandler(dialog_->input_command_begin);
1678         setPreHandler(dialog_->input_command_end);
1679
1680         // Activate/Deactivate the input fields dependent on the state of the
1681         // buttons.
1682         input(0);
1683 }
1684
1685
1686 string const
1687 FormPreferences::Language::feedback(FL_OBJECT const * const ob) const
1688 {
1689         string str;
1690
1691         if (reinterpret_cast<Combox const *>(ob) == combo_default_lang)
1692                 str = lyxrc.getDescription(LyXRC::RC_DEFAULT_LANGUAGE);
1693         else if (ob == dialog_->check_use_kbmap)
1694                 str = lyxrc.getDescription(LyXRC::RC_KBMAP);
1695         else if (ob == dialog_->input_kbmap1)
1696                 str = lyxrc.getDescription(LyXRC::RC_KBMAP_PRIMARY);
1697         else if (ob == dialog_->input_kbmap2)
1698                 str = lyxrc.getDescription(LyXRC::RC_KBMAP_SECONDARY);
1699         else if (ob == dialog_->check_rtl_support)
1700                 str = lyxrc.getDescription(LyXRC::RC_RTL_SUPPORT);
1701         else if (ob == dialog_->check_mark_foreign)
1702                 str = lyxrc.getDescription(LyXRC::RC_MARK_FOREIGN_LANGUAGE);
1703         else if (ob == dialog_->check_auto_begin)
1704                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_AUTO_BEGIN);
1705         else if (ob == dialog_->check_auto_end)
1706                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_AUTO_END);
1707         else if (ob == dialog_->check_use_babel)
1708                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_USE_BABEL);
1709         else if (ob == dialog_->check_global_options)
1710                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_GLOBAL_OPTIONS);
1711         else if (ob == dialog_->input_package)
1712                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_PACKAGE);
1713         else if (ob == dialog_->input_command_begin)
1714                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_COMMAND_BEGIN);
1715         else if (ob == dialog_->input_command_end)
1716                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_COMMAND_END);
1717
1718         return str;
1719 }
1720
1721
1722 bool FormPreferences::Language::input(FL_OBJECT const * const ob)
1723 {
1724         bool activate = true;
1725
1726         // !ob if function is called from Language::build() to de/activate
1727         // objects,
1728         // otherwise the function is called by an xforms CB via input().
1729         if (!ob || ob == dialog_->check_use_kbmap) {
1730                 bool const enable = fl_get_button(dialog_->check_use_kbmap);
1731                 setEnabled(dialog_->button_kbmap1_browse, enable);
1732                 setEnabled(dialog_->button_kbmap2_browse, enable);
1733                 setEnabled(dialog_->input_kbmap1, enable);
1734                 setEnabled(dialog_->input_kbmap2, enable);
1735         }
1736
1737         if (ob == dialog_->button_kbmap1_browse) {
1738                 string const dir  = AddName(system_lyxdir, "kbd");
1739                 string const name = N_("Key maps");
1740                 pair<string, string> dir1(name, dir);
1741
1742                 parent_.browse(dialog_->input_kbmap1,
1743                                N_("Keyboard map"), "*.kmap", dir1,
1744                                make_pair(string(), string()));
1745         } else if (ob == dialog_->button_kbmap2_browse) {
1746                 string const dir  = AddName(system_lyxdir, "kbd");
1747                 string const name = N_("Key maps");
1748                 pair<string, string> dir1(name, dir);
1749
1750                 parent_.browse(dialog_->input_kbmap2,
1751                                N_("Keyboard map"), "*.kmap", dir1,
1752                                make_pair(string(), string()));
1753         }
1754
1755         return activate;
1756 }
1757
1758
1759 void FormPreferences::Language::update()
1760 {
1761         fl_set_button(dialog_->check_use_kbmap,
1762                       lyxrc.use_kbmap);
1763
1764         combo_default_lang->select_text(lyxrc.default_language);
1765
1766         if (lyxrc.use_kbmap) {
1767                 fl_set_input(dialog_->input_kbmap1,
1768                              lyxrc.primary_kbmap.c_str());
1769                 fl_set_input(dialog_->input_kbmap2,
1770                              lyxrc.secondary_kbmap.c_str());
1771         } else {
1772                 fl_set_input(dialog_->input_kbmap1, "");
1773                 fl_set_input(dialog_->input_kbmap2, "");
1774         }
1775
1776         fl_set_button(dialog_->check_rtl_support, lyxrc.rtl_support);
1777         fl_set_button(dialog_->check_mark_foreign,
1778                       lyxrc.mark_foreign_language);
1779         fl_set_button(dialog_->check_auto_begin, lyxrc.language_auto_begin);
1780         fl_set_button(dialog_->check_auto_end, lyxrc.language_auto_end);
1781         fl_set_button(dialog_->check_use_babel, lyxrc.language_use_babel);
1782         fl_set_button(dialog_->check_global_options,
1783                       lyxrc.language_global_options);
1784
1785         fl_set_input(dialog_->input_package,
1786                      lyxrc.language_package.c_str());
1787         fl_set_input(dialog_->input_command_begin,
1788                      lyxrc.language_command_begin.c_str());
1789         fl_set_input(dialog_->input_command_end,
1790                      lyxrc.language_command_end.c_str());
1791
1792         // Activate/Deactivate the input fields dependent on the state of the
1793         // buttons.
1794         input(0);
1795 }
1796
1797
1798 void FormPreferences::Language::ComboCB(int, void * v, Combox * combox)
1799 {
1800     FormPreferences * pre = static_cast<FormPreferences*>(v);
1801     // This is safe, as nothing is done to the pointer, other than
1802     // to use its address in a block-if statement.
1803     pre->bc_.valid(pre->input(reinterpret_cast<FL_OBJECT *>(combox), 0));
1804 }
1805
1806
1807 FormPreferences::LnFmisc::~LnFmisc()
1808 {
1809         delete dialog_;
1810 }
1811
1812
1813 void FormPreferences::LnFmisc::apply() const
1814 {
1815         lyxrc.show_banner = fl_get_button(dialog_->check_banner);
1816         lyxrc.auto_region_delete =
1817                 fl_get_button(dialog_->check_auto_region_delete);
1818         lyxrc.exit_confirmation = fl_get_button(dialog_->check_exit_confirm);
1819         lyxrc.display_shortcuts =
1820                 fl_get_button(dialog_->check_display_shrtcuts);
1821         lyxrc.new_ask_filename = fl_get_button(dialog_->check_ask_new_file);
1822         lyxrc.cursor_follows_scrollbar =
1823                 fl_get_button(dialog_->check_cursor_follows_scrollbar);
1824         lyxrc.autosave = static_cast<unsigned int>
1825                 (fl_get_counter_value(dialog_->counter_autosave));
1826         lyxrc.wheel_jump = static_cast<unsigned int>
1827                 (fl_get_counter_value(dialog_->counter_wm_jump));
1828 }
1829
1830
1831 void FormPreferences::LnFmisc::build()
1832 {
1833         dialog_ = parent_.build_lnf_misc();
1834
1835         fl_set_counter_step(dialog_->counter_autosave, 1, 10);
1836         fl_set_counter_step(dialog_->counter_wm_jump, 1, 10);
1837
1838         fl_set_counter_return(dialog_->counter_autosave, FL_RETURN_CHANGED);
1839         fl_set_counter_return(dialog_->counter_wm_jump, FL_RETURN_CHANGED);
1840
1841         // set up the feedback mechanism
1842         setPreHandler(dialog_->check_banner);
1843         setPreHandler(dialog_->check_auto_region_delete);
1844         setPreHandler(dialog_->check_exit_confirm);
1845         setPreHandler(dialog_->check_display_shrtcuts);
1846         setPreHandler(dialog_->counter_autosave);
1847         setPreHandler(dialog_->check_ask_new_file);
1848         setPreHandler(dialog_->check_cursor_follows_scrollbar);
1849         setPreHandler(dialog_->counter_wm_jump);
1850 }
1851
1852
1853 string const
1854 FormPreferences::LnFmisc::feedback(FL_OBJECT const * const ob) const
1855 {
1856         string str;
1857
1858         if (ob == dialog_->check_banner)
1859                 str = lyxrc.getDescription(LyXRC::RC_SHOW_BANNER);
1860         else if (ob == dialog_->check_auto_region_delete)
1861                 str = lyxrc.getDescription(LyXRC::RC_AUTOREGIONDELETE);
1862         else if (ob == dialog_->check_exit_confirm)
1863                 str = lyxrc.getDescription(LyXRC::RC_EXIT_CONFIRMATION);
1864         else if (ob == dialog_->check_display_shrtcuts)
1865                 str = lyxrc.getDescription(LyXRC::RC_DISPLAY_SHORTCUTS);
1866         else if (ob == dialog_->check_ask_new_file)
1867                 str = lyxrc.getDescription(LyXRC::RC_NEW_ASK_FILENAME);
1868         else if (ob == dialog_->check_cursor_follows_scrollbar)
1869                 str = lyxrc.getDescription(LyXRC::RC_CURSOR_FOLLOWS_SCROLLBAR);
1870         else if (ob == dialog_->counter_autosave)
1871                 str = lyxrc.getDescription(LyXRC::RC_AUTOSAVE);
1872         else if (ob == dialog_->counter_wm_jump)
1873                 str = lyxrc.getDescription(LyXRC::RC_WHEEL_JUMP);
1874
1875         return str;
1876 }
1877
1878
1879 void FormPreferences::LnFmisc::update()
1880 {
1881         fl_set_button(dialog_->check_banner, lyxrc.show_banner);
1882         fl_set_button(dialog_->check_auto_region_delete,
1883                       lyxrc.auto_region_delete);
1884         fl_set_button(dialog_->check_exit_confirm, lyxrc.exit_confirmation);
1885         fl_set_button(dialog_->check_display_shrtcuts, lyxrc.display_shortcuts);
1886         fl_set_button(dialog_->check_ask_new_file, lyxrc.new_ask_filename);
1887         fl_set_button(dialog_->check_cursor_follows_scrollbar,
1888                       lyxrc.cursor_follows_scrollbar);
1889         fl_set_counter_value(dialog_->counter_autosave, lyxrc.autosave);
1890         fl_set_counter_value(dialog_->counter_wm_jump, lyxrc.wheel_jump);
1891 }
1892
1893
1894 FormPreferences::OutputsMisc::~OutputsMisc()
1895 {
1896         delete dialog_;
1897 }
1898
1899
1900 void FormPreferences::OutputsMisc::apply() const
1901 {
1902         lyxrc.ascii_linelen = static_cast<unsigned int>
1903                 (fl_get_counter_value(dialog_->counter_line_len));
1904         lyxrc.fontenc = fl_get_input(dialog_->input_tex_encoding);
1905
1906         int const choice =
1907                 fl_get_choice(dialog_->choice_default_papersize) - 1;
1908         lyxrc.default_papersize = static_cast<BufferParams::PAPER_SIZE>(choice);
1909
1910         lyxrc.ascii_roff_command = fl_get_input(dialog_->input_ascii_roff);
1911         lyxrc.chktex_command = fl_get_input(dialog_->input_checktex);
1912 }
1913
1914
1915 void FormPreferences::OutputsMisc::build()
1916 {
1917         dialog_ = parent_.build_outputs_misc();
1918
1919         fl_set_counter_step(dialog_->counter_line_len, 1, 10);
1920
1921         fl_set_counter_return(dialog_->counter_line_len, FL_RETURN_CHANGED);
1922         fl_set_input_return(dialog_->input_tex_encoding, FL_RETURN_CHANGED);
1923         fl_set_input_return(dialog_->input_ascii_roff,   FL_RETURN_CHANGED);
1924         fl_set_input_return(dialog_->input_checktex,     FL_RETURN_CHANGED);
1925
1926         fl_addto_choice(dialog_->choice_default_papersize,
1927                         _(" default | US letter | legal | executive | A3 | A4 | A5 | B5 "));
1928
1929         // set up the feedback mechanism
1930         setPreHandler(dialog_->counter_line_len);
1931         setPreHandler(dialog_->input_tex_encoding);
1932         setPreHandler(dialog_->choice_default_papersize);
1933         setPreHandler(dialog_->input_ascii_roff);
1934         setPreHandler(dialog_->input_checktex);
1935 }
1936
1937
1938 string const
1939 FormPreferences::OutputsMisc::feedback(FL_OBJECT const * const ob) const
1940 {
1941         string str;
1942
1943         if (ob == dialog_->counter_line_len)
1944                 str = lyxrc.getDescription(LyXRC::RC_ASCII_LINELEN);
1945         else if (ob == dialog_->input_tex_encoding)
1946                 str = lyxrc.getDescription(LyXRC::RC_FONT_ENCODING);
1947         else if (ob == dialog_->input_ascii_roff)
1948                 str = lyxrc.getDescription(LyXRC::RC_ASCIIROFF_COMMAND);
1949         else if (ob == dialog_->input_checktex)
1950                 str = lyxrc.getDescription(LyXRC::RC_CHKTEX_COMMAND);
1951         else if (ob == dialog_->choice_default_papersize)
1952                 str = lyxrc.getDescription(LyXRC::RC_DEFAULT_PAPERSIZE);
1953
1954         return str;
1955 }
1956
1957
1958 void FormPreferences::OutputsMisc::update()
1959 {
1960         fl_set_counter_value(dialog_->counter_line_len,
1961                              lyxrc.ascii_linelen);
1962         fl_set_input(dialog_->input_tex_encoding,
1963                      lyxrc.fontenc.c_str());
1964         fl_set_choice(dialog_->choice_default_papersize,
1965                       lyxrc.default_papersize+1);
1966         fl_set_input(dialog_->input_ascii_roff,
1967                      lyxrc.ascii_roff_command.c_str());
1968         fl_set_input(dialog_->input_checktex,
1969                      lyxrc.chktex_command.c_str());
1970 }
1971
1972
1973 FormPreferences::Paths::~Paths()
1974 {
1975         delete dialog_;
1976 }
1977
1978
1979 void FormPreferences::Paths::apply()
1980 {
1981         lyxrc.document_path = fl_get_input(dialog_->input_default_path);
1982         lyxrc.template_path = fl_get_input(dialog_->input_template_path);
1983
1984         int button = fl_get_button(dialog_->check_use_temp_dir);
1985         string str  = fl_get_input(dialog_->input_temp_dir);
1986         if (!button) str.erase();
1987
1988         lyxrc.use_tempdir = button;
1989         lyxrc.tempdir_path = str;
1990
1991         button = fl_get_button(dialog_->check_last_files);
1992         str = fl_get_input(dialog_->input_lastfiles);
1993         if (!button) str.erase();
1994
1995         lyxrc.check_lastfiles = button;
1996         lyxrc.lastfiles = str;
1997         lyxrc.num_lastfiles = static_cast<unsigned int>
1998                 (fl_get_counter_value(dialog_->counter_lastfiles));
1999
2000         button = fl_get_button(dialog_->check_make_backups);
2001         str = fl_get_input(dialog_->input_backup_path);
2002         if (!button) str.erase();
2003
2004         lyxrc.make_backup = button;
2005         lyxrc.backupdir_path = str;
2006
2007         lyxrc.lyxpipes = fl_get_input(dialog_->input_serverpipe);
2008
2009         // update view
2010         update();
2011 }
2012
2013
2014 void FormPreferences::Paths::build()
2015 {
2016         dialog_ = parent_.build_paths();
2017
2018         fl_set_input_return(dialog_->input_default_path, FL_RETURN_CHANGED);
2019         fl_set_input_return(dialog_->input_template_path, FL_RETURN_CHANGED);
2020         fl_set_input_return(dialog_->input_temp_dir, FL_RETURN_CHANGED);
2021         fl_set_input_return(dialog_->input_lastfiles, FL_RETURN_CHANGED);
2022         fl_set_input_return(dialog_->input_backup_path, FL_RETURN_CHANGED);
2023         fl_set_counter_return(dialog_->counter_lastfiles, FL_RETURN_CHANGED);
2024         fl_set_input_return(dialog_->input_serverpipe, FL_RETURN_CHANGED);
2025
2026         // set up the feedback mechanism
2027         setPreHandler(dialog_->input_default_path);
2028         setPreHandler(dialog_->counter_lastfiles);
2029         setPreHandler(dialog_->input_template_path);
2030         setPreHandler(dialog_->check_last_files);
2031         setPreHandler(dialog_->input_lastfiles);
2032         setPreHandler(dialog_->check_make_backups);
2033         setPreHandler(dialog_->input_backup_path);
2034         setPreHandler(dialog_->input_serverpipe);
2035         setPreHandler(dialog_->input_temp_dir);
2036         setPreHandler(dialog_->check_use_temp_dir);
2037 }
2038
2039
2040 string const
2041 FormPreferences::Paths::feedback(FL_OBJECT const * const ob) const
2042 {
2043         string str;
2044
2045         if (ob == dialog_->input_default_path)
2046                 str = lyxrc.getDescription(LyXRC::RC_DOCUMENTPATH);
2047         else if (ob == dialog_->input_template_path)
2048                 str = lyxrc.getDescription(LyXRC::RC_TEMPLATEPATH);
2049         else if (ob == dialog_->check_use_temp_dir)
2050                 str = lyxrc.getDescription(LyXRC::RC_USETEMPDIR);
2051         else if (ob == dialog_->input_temp_dir)
2052                 str = lyxrc.getDescription(LyXRC::RC_TEMPDIRPATH);
2053         else if (ob == dialog_->check_last_files)
2054                 str = lyxrc.getDescription(LyXRC::RC_CHECKLASTFILES);
2055         else if (ob == dialog_->input_lastfiles)
2056                 str = lyxrc.getDescription(LyXRC::RC_LASTFILES);
2057         else if (ob == dialog_->counter_lastfiles)
2058                 str = lyxrc.getDescription(LyXRC::RC_NUMLASTFILES);
2059         else if (ob == dialog_->check_make_backups)
2060                 str = lyxrc.getDescription(LyXRC::RC_MAKE_BACKUP);
2061         else if (ob == dialog_->input_backup_path)
2062                 str = lyxrc.getDescription(LyXRC::RC_BACKUPDIR_PATH);
2063         else if (ob == dialog_->input_serverpipe) {
2064                 str = lyxrc.getDescription(LyXRC::RC_SERVERPIPE);
2065                 str += " Enter either the input pipe, xxx.in, or the output pipe, xxx.out.";
2066         }
2067
2068         return str;
2069 }
2070
2071
2072 bool FormPreferences::Paths::input(FL_OBJECT const * const ob)
2073 {
2074         bool activate = true;
2075
2076         // !ob if function is called from Paths::update() to de/activate
2077         // objects,
2078         // otherwise the function is called by an xforms CB via input().
2079         if (!ob || ob == dialog_->check_use_temp_dir) {
2080                 bool const enable = fl_get_button(dialog_->check_use_temp_dir);
2081                 setEnabled(dialog_->input_temp_dir, enable);
2082         }
2083
2084         if (!ob || ob == dialog_->check_last_files) {
2085                 bool const enable = fl_get_button(dialog_->check_last_files);
2086                 setEnabled(dialog_->input_lastfiles, enable);
2087         }
2088
2089         if (!ob || ob == dialog_->check_make_backups) {
2090                 bool const enable = fl_get_button(dialog_->check_make_backups);
2091                 setEnabled(dialog_->input_backup_path, enable);
2092         }
2093
2094         if (!ob || ob == dialog_->input_default_path) {
2095                 string const name = fl_get_input(dialog_->input_default_path);
2096                 if (!RWInfo::WriteableDir(name)) {
2097                         parent_.printWarning(RWInfo::ErrorMessage());
2098                         return false;
2099                 }
2100         }
2101
2102         if (!ob || ob == dialog_->input_template_path) {
2103                 string const name = fl_get_input(dialog_->input_template_path);
2104                 if (!RWInfo::ReadableDir(name)) {
2105                         parent_.printWarning(RWInfo::ErrorMessage());
2106                         return false;
2107                 }
2108         }
2109
2110         if (!ob || ob == dialog_->input_temp_dir) {
2111                 string const name = fl_get_input(dialog_->input_temp_dir);
2112                 if (fl_get_button(dialog_->check_make_backups)
2113                     && !name.empty()
2114                     && !RWInfo::WriteableDir(name)) {
2115                         parent_.printWarning(RWInfo::ErrorMessage());
2116                         return false;
2117                 }
2118         }
2119
2120         if (!ob || ob == dialog_->input_backup_path) {
2121                 string const name = fl_get_input(dialog_->input_backup_path);
2122                 if (fl_get_button(dialog_->check_make_backups)
2123                     && !name.empty()
2124                     && !RWInfo::WriteableDir(name)) {
2125                         parent_.printWarning(RWInfo::ErrorMessage());
2126                         return false;
2127                 }
2128         }
2129
2130         if (!ob || ob == dialog_->input_lastfiles) {
2131                 string const name = fl_get_input(dialog_->input_lastfiles);
2132                 if (fl_get_button(dialog_->check_last_files)
2133                     && !name.empty()
2134                     && !RWInfo::WriteableFile(name)) {
2135                         parent_.printWarning(RWInfo::ErrorMessage());
2136                         return false;
2137                 }
2138         }
2139
2140         if (!ob || ob == dialog_->input_serverpipe) {
2141                 string const name = fl_get_input(dialog_->input_serverpipe);
2142                 if (!name.empty()) {
2143                         // strip off the extension
2144                         string const str = ChangeExtension(name, "");
2145                         if (!RWInfo::WriteableFile(str + ".in")) {
2146                                 parent_.printWarning(RWInfo::ErrorMessage());
2147                                 return false;
2148                         }
2149                         if (!RWInfo::WriteableFile(str + ".out")) {
2150                                 parent_.printWarning(RWInfo::ErrorMessage());
2151                                 return false;
2152                         }
2153                 }
2154         }
2155
2156         if (ob == dialog_->button_default_path_browse) {
2157                 parent_.browse(dialog_->input_default_path,
2158                                N_("Default path"), string(),
2159                                make_pair(string(), string()),
2160                                make_pair(string(), string()));
2161         } else if (ob == dialog_->button_template_path_browse) {
2162                 parent_.browse(dialog_->input_template_path,
2163                                N_("Template path"), string(),
2164                                make_pair(string(), string()),
2165                                make_pair(string(), string()));
2166         } else if (ob == dialog_->button_temp_dir_browse) {
2167                 parent_.browse(dialog_->input_temp_dir,
2168                                N_("Temp dir"), string(),
2169                                make_pair(string(), string()),
2170                                make_pair(string(), string()));
2171         } else if (ob == dialog_->button_lastfiles_browse) {
2172                 pair<string, string> dir(_("User"), user_lyxdir);
2173
2174                 parent_.browse(dialog_->input_lastfiles,
2175                                N_("Lastfiles"), string(), dir,
2176                                make_pair(string(), string()));
2177         } else if (ob == dialog_->button_backup_path_browse) {
2178                 parent_.browse(dialog_->input_backup_path,
2179                                N_("Backup path"), string(),
2180                                make_pair(string(), string()),
2181                                make_pair(string(), string()));
2182         } else if (ob == dialog_->button_serverpipe_browse) {
2183                 parent_.browse(dialog_->input_serverpipe,
2184                                N_("LyX Server pipes"), string(),
2185                                make_pair(string(), string()),
2186                                make_pair(string(), string()));
2187         }
2188
2189         return activate;
2190 }
2191
2192
2193 void FormPreferences::Paths::update()
2194 {
2195         fl_set_input(dialog_->input_default_path,
2196                      lyxrc.document_path.c_str());
2197         fl_set_input(dialog_->input_template_path,
2198                      lyxrc.template_path.c_str());
2199
2200         string str;
2201         if (lyxrc.make_backup) str = lyxrc.backupdir_path;
2202
2203         fl_set_button(dialog_->check_make_backups,
2204                       lyxrc.make_backup);
2205         fl_set_input(dialog_->input_backup_path, str.c_str());
2206
2207         str.erase();
2208         if (lyxrc.use_tempdir) str = lyxrc.tempdir_path;
2209
2210         fl_set_button(dialog_->check_use_temp_dir,
2211                       lyxrc.use_tempdir);
2212         fl_set_input(dialog_->input_temp_dir, str.c_str());
2213
2214         str.erase();
2215         if (lyxrc.check_lastfiles) str = lyxrc.lastfiles;
2216
2217         fl_set_button(dialog_->check_last_files,
2218                       lyxrc.check_lastfiles);
2219         fl_set_input(dialog_->input_lastfiles, str.c_str());
2220         fl_set_counter_value(dialog_->counter_lastfiles,
2221                              lyxrc.num_lastfiles);
2222
2223         fl_set_input(dialog_->input_serverpipe, lyxrc.lyxpipes.c_str());
2224
2225         // Activate/Deactivate the input fields dependent on the state of the
2226         // buttons.
2227         input(0);
2228 }
2229
2230
2231 FormPreferences::Printer::~Printer()
2232 {
2233         delete dialog_;
2234 }
2235
2236
2237 void FormPreferences::Printer::apply() const
2238 {
2239         lyxrc.print_adapt_output = fl_get_button(dialog_->check_adapt_output);
2240         lyxrc.print_command = fl_get_input(dialog_->input_command);
2241         lyxrc.print_pagerange_flag = fl_get_input(dialog_->input_page_range);
2242         lyxrc.print_copies_flag = fl_get_input(dialog_->input_copies);
2243         lyxrc.print_reverse_flag = fl_get_input(dialog_->input_reverse);
2244         lyxrc.print_to_printer = fl_get_input(dialog_->input_to_printer);
2245         lyxrc.print_file_extension =
2246                 fl_get_input(dialog_->input_file_extension);
2247         lyxrc.print_spool_command =
2248                 fl_get_input(dialog_->input_spool_command);
2249         lyxrc.print_paper_flag = fl_get_input(dialog_->input_paper_type);
2250         lyxrc.print_evenpage_flag = fl_get_input(dialog_->input_even_pages);
2251         lyxrc.print_oddpage_flag = fl_get_input(dialog_->input_odd_pages);
2252         lyxrc.print_collcopies_flag = fl_get_input(dialog_->input_collated);
2253         lyxrc.print_landscape_flag = fl_get_input(dialog_->input_landscape);
2254         lyxrc.print_to_file = fl_get_input(dialog_->input_to_file);
2255         lyxrc.print_extra_options =
2256                 fl_get_input(dialog_->input_extra_options);
2257         lyxrc.print_spool_printerprefix =
2258                 fl_get_input(dialog_->input_spool_prefix);
2259         lyxrc.print_paper_dimension_flag =
2260                 fl_get_input(dialog_->input_paper_size);
2261         lyxrc.printer = fl_get_input(dialog_->input_name);
2262 }
2263
2264
2265 string const
2266 FormPreferences::Printer::feedback(FL_OBJECT const * const ob) const
2267 {
2268         string str;
2269
2270         if (ob == dialog_->input_command)
2271                 str = lyxrc.getDescription(LyXRC::RC_PRINT_COMMAND);
2272         else if (ob == dialog_->check_adapt_output)
2273                 str = lyxrc.getDescription(LyXRC::RC_PRINT_ADAPTOUTPUT);
2274         else if (ob == dialog_->input_to_printer)
2275                 str = lyxrc.getDescription(LyXRC::RC_PRINTTOPRINTER);
2276         else if (ob == dialog_->input_to_file)
2277                 str = lyxrc.getDescription(LyXRC::RC_PRINTTOFILE);
2278         else if (ob == dialog_->input_file_extension)
2279                 str = lyxrc.getDescription(LyXRC::RC_PRINTFILEEXTENSION);
2280         else if (ob == dialog_->input_extra_options)
2281                 str = lyxrc.getDescription(LyXRC::RC_PRINTEXSTRAOPTIONS);
2282         else if (ob == dialog_->input_spool_command)
2283                 str = lyxrc.getDescription(LyXRC::RC_PRINTSPOOL_COMMAND);
2284         else if (ob == dialog_->input_spool_prefix)
2285                 str = lyxrc.getDescription(LyXRC::RC_PRINTSPOOL_PRINTERPREFIX);
2286         else if (ob == dialog_->input_name)
2287                 str = lyxrc.getDescription(LyXRC::RC_PRINTER);
2288         else if (ob == dialog_->input_even_pages)
2289                 str = lyxrc.getDescription(LyXRC::RC_PRINTEVENPAGEFLAG);
2290         else if (ob == dialog_->input_odd_pages)
2291                 str = lyxrc.getDescription(LyXRC::RC_PRINTODDPAGEFLAG);
2292         else if (ob == dialog_->input_page_range)
2293                 str = lyxrc.getDescription(LyXRC::RC_PRINTPAGERANGEFLAG);
2294         else if (ob == dialog_->input_reverse)
2295                 str = lyxrc.getDescription(LyXRC::RC_PRINTREVERSEFLAG);
2296         else if (ob == dialog_->input_landscape)
2297                 str = lyxrc.getDescription(LyXRC::RC_PRINTLANDSCAPEFLAG);
2298         else if (ob == dialog_->input_copies)
2299                 str = lyxrc.getDescription(LyXRC::RC_PRINTCOPIESFLAG);
2300         else if (ob == dialog_->input_collated)
2301                 str = lyxrc.getDescription(LyXRC::RC_PRINTCOLLCOPIESFLAG);
2302         else if (ob == dialog_->input_paper_type)
2303                 str = lyxrc.getDescription(LyXRC::RC_PRINTPAPERFLAG);
2304         else if (ob == dialog_->input_paper_size)
2305                 str = lyxrc.getDescription(LyXRC::RC_PRINTPAPERDIMENSIONFLAG);
2306
2307         return str;
2308 }
2309
2310
2311 void FormPreferences::Printer::build()
2312 {
2313         dialog_ = parent_.build_printer();
2314
2315         fl_set_input_return(dialog_->input_command, FL_RETURN_CHANGED);
2316         fl_set_input_return(dialog_->input_page_range, FL_RETURN_CHANGED);
2317         fl_set_input_return(dialog_->input_copies, FL_RETURN_CHANGED);
2318         fl_set_input_return(dialog_->input_reverse, FL_RETURN_CHANGED);
2319         fl_set_input_return(dialog_->input_to_printer, FL_RETURN_CHANGED);
2320         fl_set_input_return(dialog_->input_file_extension, FL_RETURN_CHANGED);
2321         fl_set_input_return(dialog_->input_spool_command, FL_RETURN_CHANGED);
2322         fl_set_input_return(dialog_->input_paper_type, FL_RETURN_CHANGED);
2323         fl_set_input_return(dialog_->input_even_pages, FL_RETURN_CHANGED);
2324         fl_set_input_return(dialog_->input_odd_pages, FL_RETURN_CHANGED);
2325         fl_set_input_return(dialog_->input_collated, FL_RETURN_CHANGED);
2326         fl_set_input_return(dialog_->input_landscape, FL_RETURN_CHANGED);
2327         fl_set_input_return(dialog_->input_to_file, FL_RETURN_CHANGED);
2328         fl_set_input_return(dialog_->input_extra_options, FL_RETURN_CHANGED);
2329         fl_set_input_return(dialog_->input_spool_prefix, FL_RETURN_CHANGED);
2330         fl_set_input_return(dialog_->input_paper_size, FL_RETURN_CHANGED);
2331         fl_set_input_return(dialog_->input_name, FL_RETURN_CHANGED);
2332
2333         // set up the feedback mechanism
2334         setPreHandler(dialog_->input_command);
2335         setPreHandler(dialog_->input_page_range);
2336         setPreHandler(dialog_->input_copies);
2337         setPreHandler(dialog_->input_reverse);
2338         setPreHandler(dialog_->input_to_printer);
2339         setPreHandler(dialog_->input_file_extension);
2340         setPreHandler(dialog_->input_spool_command);
2341         setPreHandler(dialog_->input_paper_type);
2342         setPreHandler(dialog_->input_even_pages);
2343         setPreHandler(dialog_->input_odd_pages);
2344         setPreHandler(dialog_->input_collated);
2345         setPreHandler(dialog_->input_landscape);
2346         setPreHandler(dialog_->input_to_file);
2347         setPreHandler(dialog_->input_extra_options);
2348         setPreHandler(dialog_->input_spool_prefix);
2349         setPreHandler(dialog_->input_paper_size);
2350         setPreHandler(dialog_->input_name);
2351         setPreHandler(dialog_->check_adapt_output);
2352 }
2353
2354
2355 void FormPreferences::Printer::update()
2356 {
2357         fl_set_button(dialog_->check_adapt_output,
2358                       lyxrc.print_adapt_output);
2359         fl_set_input(dialog_->input_command,
2360                      lyxrc.print_command.c_str());
2361         fl_set_input(dialog_->input_page_range,
2362                      lyxrc.print_pagerange_flag.c_str());
2363         fl_set_input(dialog_->input_copies,
2364                      lyxrc.print_copies_flag.c_str());
2365         fl_set_input(dialog_->input_reverse,
2366                      lyxrc.print_reverse_flag.c_str());
2367         fl_set_input(dialog_->input_to_printer,
2368                      lyxrc.print_to_printer.c_str());
2369         fl_set_input(dialog_->input_file_extension,
2370                      lyxrc.print_file_extension.c_str());
2371         fl_set_input(dialog_->input_spool_command,
2372                      lyxrc.print_spool_command.c_str());
2373         fl_set_input(dialog_->input_paper_type,
2374                      lyxrc.print_paper_flag.c_str());
2375         fl_set_input(dialog_->input_even_pages,
2376                      lyxrc.print_evenpage_flag.c_str());
2377         fl_set_input(dialog_->input_odd_pages,
2378                      lyxrc.print_oddpage_flag.c_str());
2379         fl_set_input(dialog_->input_collated,
2380                      lyxrc.print_collcopies_flag.c_str());
2381         fl_set_input(dialog_->input_landscape,
2382                      lyxrc.print_landscape_flag.c_str());
2383         fl_set_input(dialog_->input_to_file,
2384                      lyxrc.print_to_file.c_str());
2385         fl_set_input(dialog_->input_extra_options,
2386                      lyxrc.print_extra_options.c_str());
2387         fl_set_input(dialog_->input_spool_prefix,
2388                      lyxrc.print_spool_printerprefix.c_str());
2389         fl_set_input(dialog_->input_paper_size,
2390                      lyxrc.print_paper_dimension_flag.c_str());
2391         fl_set_input(dialog_->input_name,
2392                      lyxrc.printer.c_str());
2393 }
2394
2395
2396 FormPreferences::ScreenFonts::~ScreenFonts()
2397 {
2398         delete dialog_;
2399 }
2400
2401
2402 void FormPreferences::ScreenFonts::apply() const
2403 {
2404         bool changed = false;
2405
2406         string str = fl_get_input(dialog_->input_roman);
2407         if (lyxrc.roman_font_name != str) {
2408                 changed = true;
2409                 lyxrc.roman_font_name = str;
2410         }
2411
2412         str = fl_get_input(dialog_->input_sans);
2413         if (lyxrc.sans_font_name != str) {
2414                 changed = true;
2415                 lyxrc.sans_font_name = str;
2416         }
2417
2418         str = fl_get_input(dialog_->input_typewriter);
2419         if (lyxrc.typewriter_font_name != str) {
2420                 changed = true;
2421                 lyxrc.typewriter_font_name = str;
2422         }
2423
2424         str = fl_get_input(dialog_->input_screen_encoding);
2425         if (lyxrc.font_norm != str) {
2426                 changed = true;
2427                 lyxrc.font_norm = str;
2428         }
2429
2430         bool button = fl_get_button(dialog_->check_scalable);
2431         if (lyxrc.use_scalable_fonts != button) {
2432                 changed = true;
2433                 lyxrc.use_scalable_fonts = button;
2434         }
2435
2436         unsigned int ivalue = static_cast<unsigned int>
2437                 (fl_get_counter_value(dialog_->counter_zoom));
2438         if (lyxrc.zoom != ivalue) {
2439                 changed = true;
2440                 lyxrc.zoom = ivalue;
2441         }
2442
2443         ivalue = static_cast<unsigned int>
2444                 (fl_get_counter_value(dialog_->counter_dpi));
2445         if (lyxrc.dpi != ivalue) {
2446                 changed = true;
2447                 lyxrc.dpi = ivalue;
2448         }
2449
2450         double dvalue = strToDbl(fl_get_input(dialog_->input_tiny));
2451         if (lyxrc.font_sizes[LyXFont::SIZE_TINY] != dvalue) {
2452                 changed = true;
2453                 lyxrc.font_sizes[LyXFont::SIZE_TINY] = dvalue;
2454         }
2455
2456         dvalue = strToDbl(fl_get_input(dialog_->input_script));
2457         if (lyxrc.font_sizes[LyXFont::SIZE_SCRIPT] != dvalue) {
2458                 changed = true;
2459                 lyxrc.font_sizes[LyXFont::SIZE_SCRIPT] = dvalue;
2460         }
2461
2462         dvalue = strToDbl(fl_get_input(dialog_->input_footnote));
2463         if (lyxrc.font_sizes[LyXFont::SIZE_FOOTNOTE] != dvalue) {
2464                 changed = true;
2465                 lyxrc.font_sizes[LyXFont::SIZE_FOOTNOTE] = dvalue;
2466         }
2467
2468         dvalue = strToDbl(fl_get_input(dialog_->input_small));
2469         if (lyxrc.font_sizes[LyXFont::SIZE_SMALL] != dvalue) {
2470                 changed = true;
2471                 lyxrc.font_sizes[LyXFont::SIZE_SMALL] = dvalue;
2472         }
2473
2474         dvalue = strToDbl(fl_get_input(dialog_->input_normal));
2475         if (lyxrc.font_sizes[LyXFont::SIZE_NORMAL] != dvalue) {
2476                 changed = true;
2477                 lyxrc.font_sizes[LyXFont::SIZE_NORMAL] = dvalue;
2478         }
2479
2480         dvalue = strToDbl(fl_get_input(dialog_->input_large));
2481         if (lyxrc.font_sizes[LyXFont::SIZE_LARGE] != dvalue) {
2482                 changed = true;
2483                 lyxrc.font_sizes[LyXFont::SIZE_LARGE] = dvalue;
2484         }
2485
2486         dvalue = strToDbl(fl_get_input(dialog_->input_larger));
2487         if (lyxrc.font_sizes[LyXFont::SIZE_LARGER] != dvalue) {
2488                 changed = true;
2489                 lyxrc.font_sizes[LyXFont::SIZE_LARGER] = dvalue;
2490         }
2491
2492         dvalue = strToDbl(fl_get_input(dialog_->input_largest));
2493         if (lyxrc.font_sizes[LyXFont::SIZE_LARGEST] != dvalue) {
2494                 changed = true;
2495                 lyxrc.font_sizes[LyXFont::SIZE_LARGEST] = dvalue;
2496         }
2497
2498         dvalue = strToDbl(fl_get_input(dialog_->input_huge));
2499         if (lyxrc.font_sizes[LyXFont::SIZE_HUGE] != dvalue) {
2500                 changed = true;
2501                 lyxrc.font_sizes[LyXFont::SIZE_HUGE] = dvalue;
2502         }
2503
2504         dvalue = strToDbl(fl_get_input(dialog_->input_huger));
2505         if (lyxrc.font_sizes[LyXFont::SIZE_HUGER] != dvalue) {
2506                 changed = true;
2507                 lyxrc.font_sizes[LyXFont::SIZE_HUGER] = dvalue;
2508         }
2509
2510         if (changed) {
2511                 // Now update the buffers
2512                 // Can anything below here affect the redraw process?
2513                 parent_.lv_->getLyXFunc()->Dispatch(LFUN_SCREEN_FONT_UPDATE);
2514         }
2515 }
2516
2517
2518 void FormPreferences::ScreenFonts::build()
2519 {
2520         dialog_ = parent_.build_screen_fonts();
2521
2522         fl_set_counter_step(dialog_->counter_zoom, 1, 10);
2523         fl_set_counter_step(dialog_->counter_dpi,  1, 10);
2524
2525         fl_set_input_return(dialog_->input_roman,           FL_RETURN_CHANGED);
2526         fl_set_input_return(dialog_->input_sans,            FL_RETURN_CHANGED);
2527         fl_set_input_return(dialog_->input_typewriter,      FL_RETURN_CHANGED);
2528         fl_set_input_return(dialog_->input_screen_encoding, FL_RETURN_CHANGED);
2529         fl_set_counter_return(dialog_->counter_zoom,        FL_RETURN_CHANGED);
2530         fl_set_counter_return(dialog_->counter_dpi,         FL_RETURN_CHANGED);
2531         fl_set_input_return(dialog_->input_tiny,            FL_RETURN_CHANGED);
2532         fl_set_input_return(dialog_->input_script,          FL_RETURN_CHANGED);
2533         fl_set_input_return(dialog_->input_footnote,        FL_RETURN_CHANGED);
2534         fl_set_input_return(dialog_->input_small,           FL_RETURN_CHANGED);
2535         fl_set_input_return(dialog_->input_normal,          FL_RETURN_CHANGED);
2536         fl_set_input_return(dialog_->input_large,           FL_RETURN_CHANGED);
2537         fl_set_input_return(dialog_->input_larger,          FL_RETURN_CHANGED);
2538         fl_set_input_return(dialog_->input_largest,         FL_RETURN_CHANGED);
2539         fl_set_input_return(dialog_->input_huge,            FL_RETURN_CHANGED);
2540         fl_set_input_return(dialog_->input_huger,           FL_RETURN_CHANGED);
2541
2542         fl_set_input_filter(dialog_->input_tiny,     fl_unsigned_float_filter);
2543         fl_set_input_filter(dialog_->input_script,   fl_unsigned_float_filter);
2544         fl_set_input_filter(dialog_->input_footnote, fl_unsigned_float_filter);
2545         fl_set_input_filter(dialog_->input_small,    fl_unsigned_float_filter);
2546         fl_set_input_filter(dialog_->input_normal,   fl_unsigned_float_filter);
2547         fl_set_input_filter(dialog_->input_large,    fl_unsigned_float_filter);
2548         fl_set_input_filter(dialog_->input_larger,   fl_unsigned_float_filter);
2549         fl_set_input_filter(dialog_->input_largest,  fl_unsigned_float_filter);
2550         fl_set_input_filter(dialog_->input_huge,     fl_unsigned_float_filter);
2551         fl_set_input_filter(dialog_->input_huger,    fl_unsigned_float_filter);
2552
2553         // set up the feedback mechanism
2554         setPreHandler(dialog_->input_roman);
2555         setPreHandler(dialog_->input_sans);
2556         setPreHandler(dialog_->input_typewriter);
2557         setPreHandler(dialog_->counter_zoom);
2558         setPreHandler(dialog_->counter_dpi);
2559         setPreHandler(dialog_->check_scalable);
2560         setPreHandler(dialog_->input_screen_encoding);
2561         setPreHandler(dialog_->input_tiny);
2562         setPreHandler(dialog_->input_script);
2563         setPreHandler(dialog_->input_footnote);
2564         setPreHandler(dialog_->input_small);
2565         setPreHandler(dialog_->input_large);
2566         setPreHandler(dialog_->input_larger);
2567         setPreHandler(dialog_->input_largest);
2568         setPreHandler(dialog_->input_normal);
2569         setPreHandler(dialog_->input_huge);
2570         setPreHandler(dialog_->input_huger);
2571 }
2572
2573
2574 string const
2575 FormPreferences::ScreenFonts::feedback(FL_OBJECT const * const ob) const
2576 {
2577         string str;
2578
2579         if (ob == dialog_->input_roman)
2580                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_ROMAN);
2581         else if (ob == dialog_->input_sans)
2582                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_SANS);
2583         else if (ob == dialog_->input_typewriter)
2584                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_TYPEWRITER);
2585         else if (ob == dialog_->check_scalable)
2586                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_SCALABLE);
2587         else if (ob == dialog_->input_screen_encoding)
2588                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_ENCODING);
2589         else if (ob == dialog_->counter_zoom)
2590                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_ZOOM);
2591         else if (ob == dialog_->counter_dpi)
2592                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_DPI);
2593         else if (ob == dialog_->input_tiny
2594                  || ob == dialog_->input_script
2595                  || ob == dialog_->input_footnote
2596                  || ob == dialog_->input_small
2597                  || ob == dialog_->input_large
2598                  || ob == dialog_->input_larger
2599                  || ob == dialog_->input_larger
2600                  || ob == dialog_->input_largest
2601                  || ob == dialog_->input_normal
2602                  || ob == dialog_->input_huge
2603                  || ob == dialog_->input_huger)
2604                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_SIZES);
2605
2606         return str;
2607 }
2608
2609
2610 bool FormPreferences::ScreenFonts::input()
2611 {
2612         bool activate = true;
2613         string str;
2614
2615         // Make sure that all fonts all have positive entries
2616         // Also note that an empty entry is returned as 0.0 by strToDbl
2617         if (0.0 >= strToDbl(fl_get_input(dialog_->input_tiny))
2618             || 0.0 >= strToDbl(fl_get_input(dialog_->input_script))
2619             || 0.0 >= strToDbl(fl_get_input(dialog_->input_footnote))
2620             || 0.0 >= strToDbl(fl_get_input(dialog_->input_small))
2621             || 0.0 >= strToDbl(fl_get_input(dialog_->input_normal))
2622             || 0.0 >= strToDbl(fl_get_input(dialog_->input_large))
2623             || 0.0 >= strToDbl(fl_get_input(dialog_->input_larger))
2624             || 0.0 >= strToDbl(fl_get_input(dialog_->input_largest))
2625             || 0.0 >= strToDbl(fl_get_input(dialog_->input_huge))
2626             || 0.0 >= strToDbl(fl_get_input(dialog_->input_huger))) {
2627                 activate = false;
2628                 str = N_("Fonts must be positive!");
2629
2630         // Fontsizes -- tiny < script < footnote etc.
2631         } else if (strToDbl(fl_get_input(dialog_->input_tiny)) >
2632                    strToDbl(fl_get_input(dialog_->input_script)) ||
2633                    strToDbl(fl_get_input(dialog_->input_script)) >
2634                    strToDbl(fl_get_input(dialog_->input_footnote)) ||
2635                    strToDbl(fl_get_input(dialog_->input_footnote)) >
2636                    strToDbl(fl_get_input(dialog_->input_small)) ||
2637                    strToDbl(fl_get_input(dialog_->input_small)) >
2638                    strToDbl(fl_get_input(dialog_->input_normal)) ||
2639                    strToDbl(fl_get_input(dialog_->input_normal)) >
2640                    strToDbl(fl_get_input(dialog_->input_large)) ||
2641                    strToDbl(fl_get_input(dialog_->input_large)) >
2642                    strToDbl(fl_get_input(dialog_->input_larger)) ||
2643                    strToDbl(fl_get_input(dialog_->input_larger)) >
2644                    strToDbl(fl_get_input(dialog_->input_largest)) ||
2645                    strToDbl(fl_get_input(dialog_->input_largest)) >
2646                    strToDbl(fl_get_input(dialog_->input_huge)) ||
2647                    strToDbl(fl_get_input(dialog_->input_huge)) >
2648                    strToDbl(fl_get_input(dialog_->input_huger))) {
2649                 activate = false;
2650
2651                 str = N_("Fonts must be input in the order tiny > script> footnote > small > normal > large > larger > largest > huge > huger.");
2652         }
2653
2654         if (!activate)
2655                 parent_.printWarning(str);
2656
2657         return activate;
2658 }
2659
2660
2661 void FormPreferences::ScreenFonts::update()
2662 {
2663         fl_set_input(dialog_->input_roman,
2664                      lyxrc.roman_font_name.c_str());
2665         fl_set_input(dialog_->input_sans,
2666                      lyxrc.sans_font_name.c_str());
2667         fl_set_input(dialog_->input_typewriter,
2668                      lyxrc.typewriter_font_name.c_str());
2669         fl_set_input(dialog_->input_screen_encoding,
2670                      lyxrc.font_norm.c_str());
2671         fl_set_button(dialog_->check_scalable,
2672                       lyxrc.use_scalable_fonts);
2673         fl_set_counter_value(dialog_->counter_zoom, lyxrc.zoom);
2674         fl_set_counter_value(dialog_->counter_dpi,  lyxrc.dpi);
2675         fl_set_input(dialog_->input_tiny,
2676                      tostr(lyxrc.font_sizes[LyXFont::SIZE_TINY]).c_str());
2677         fl_set_input(dialog_->input_script,
2678                      tostr(lyxrc.font_sizes[LyXFont::SIZE_SCRIPT]).c_str());
2679         fl_set_input(dialog_->input_footnote,
2680                      tostr(lyxrc.font_sizes[LyXFont::SIZE_FOOTNOTE]).c_str());
2681         fl_set_input(dialog_->input_small,
2682                      tostr(lyxrc.font_sizes[LyXFont::SIZE_SMALL]).c_str());
2683         fl_set_input(dialog_->input_normal,
2684                      tostr(lyxrc.font_sizes[LyXFont::SIZE_NORMAL]).c_str());
2685         fl_set_input(dialog_->input_large,
2686                      tostr(lyxrc.font_sizes[LyXFont::SIZE_LARGE]).c_str());
2687         fl_set_input(dialog_->input_larger,
2688                      tostr(lyxrc.font_sizes[LyXFont::SIZE_LARGER]).c_str());
2689         fl_set_input(dialog_->input_largest,
2690                      tostr(lyxrc.font_sizes[LyXFont::SIZE_LARGEST]).c_str());
2691         fl_set_input(dialog_->input_huge,
2692                      tostr(lyxrc.font_sizes[LyXFont::SIZE_HUGE]).c_str());
2693         fl_set_input(dialog_->input_huger,
2694                      tostr(lyxrc.font_sizes[LyXFont::SIZE_HUGER]).c_str());
2695 }
2696
2697
2698 FormPreferences::SpellChecker::~SpellChecker()
2699 {
2700         delete dialog_;
2701 }
2702
2703
2704 void FormPreferences::SpellChecker::apply()
2705 {
2706
2707         string choice = fl_get_choice_text(dialog_->choice_spell_command);
2708         choice = strip(frontStrip(choice));
2709
2710         lyxrc.isp_command = choice;
2711
2712         // If spell checker == "none", all other input set to off.
2713         if (fl_get_choice(dialog_->choice_spell_command) == 1) {
2714                 lyxrc.isp_use_alt_lang = false;
2715                 lyxrc.isp_alt_lang.erase();
2716
2717                 lyxrc.isp_use_esc_chars = false;
2718                 lyxrc.isp_esc_chars.erase();
2719
2720                 lyxrc.isp_use_pers_dict = false;
2721                 lyxrc.isp_pers_dict.erase();
2722
2723                 lyxrc.isp_accept_compound = false;
2724                 lyxrc.isp_use_input_encoding = false;
2725         } else {
2726                 int button = fl_get_button(dialog_->check_alt_lang);
2727                 choice = fl_get_input(dialog_->input_alt_lang);
2728                 if (button && choice.empty()) button = 0;
2729                 if (!button) choice.erase();
2730
2731                 lyxrc.isp_use_alt_lang = static_cast<bool>(button);
2732                 lyxrc.isp_alt_lang = choice;
2733
2734                 button = fl_get_button(dialog_->check_escape_chars);
2735                 choice = fl_get_input(dialog_->input_escape_chars);
2736                 if (button && choice.empty()) button = 0;
2737                 if (!button) choice.erase();
2738
2739                 lyxrc.isp_use_esc_chars = static_cast<bool>(button);
2740                 lyxrc.isp_esc_chars = choice;
2741
2742                 button = fl_get_button(dialog_->check_personal_dict);
2743                 choice = fl_get_input(dialog_->input_personal_dict);
2744                 if (button && choice.empty()) button = 0;
2745                 if (!button) choice.erase();
2746
2747                 lyxrc.isp_use_pers_dict = static_cast<bool>(button);
2748                 lyxrc.isp_pers_dict = choice;
2749
2750                 button = fl_get_button(dialog_->check_compound_words);
2751                 lyxrc.isp_accept_compound = static_cast<bool>(button);
2752
2753                 button = fl_get_button(dialog_->check_input_enc);
2754                 lyxrc.isp_use_input_encoding = static_cast<bool>(button);
2755         }
2756
2757         // Reset view
2758         update();
2759 }
2760
2761
2762 void FormPreferences::SpellChecker::build()
2763 {
2764         dialog_ = parent_.build_spellchecker();
2765
2766         fl_addto_choice(dialog_->choice_spell_command,
2767                         _(" none | ispell | aspell "));
2768         fl_set_input_return(dialog_->input_alt_lang,      FL_RETURN_CHANGED);
2769         fl_set_input_return(dialog_->input_escape_chars,  FL_RETURN_CHANGED);
2770         fl_set_input_return(dialog_->input_personal_dict, FL_RETURN_CHANGED);
2771
2772         // set up the feedback mechanism
2773         setPreHandler(dialog_->choice_spell_command);
2774         setPreHandler(dialog_->check_alt_lang);
2775         setPreHandler(dialog_->input_alt_lang);
2776         setPreHandler(dialog_->check_escape_chars);
2777         setPreHandler(dialog_->input_escape_chars);
2778         setPreHandler(dialog_->check_personal_dict);
2779         setPreHandler(dialog_->input_personal_dict);
2780         setPreHandler(dialog_->button_personal_dict);
2781         setPreHandler(dialog_->check_compound_words);
2782         setPreHandler(dialog_->check_input_enc);
2783 }
2784
2785
2786 string const
2787 FormPreferences::SpellChecker::feedback(FL_OBJECT const * const ob) const
2788 {
2789         string str;
2790
2791         if (ob == dialog_->choice_spell_command)
2792                 str = lyxrc.getDescription(LyXRC::RC_SPELL_COMMAND);
2793         else if (ob == dialog_->check_alt_lang)
2794                 str = lyxrc.getDescription(LyXRC::RC_USE_ALT_LANG);
2795         else if (ob == dialog_->input_alt_lang)
2796                 str = lyxrc.getDescription(LyXRC::RC_ALT_LANG);
2797         else if (ob == dialog_->check_escape_chars)
2798                 str = lyxrc.getDescription(LyXRC::RC_USE_ESC_CHARS);
2799         else if (ob == dialog_->input_escape_chars)
2800                 str = lyxrc.getDescription(LyXRC::RC_ESC_CHARS);
2801         else if (ob == dialog_->check_personal_dict)
2802                 str = lyxrc.getDescription(LyXRC::RC_USE_PERS_DICT);
2803         else if (ob == dialog_->input_personal_dict)
2804                 str = lyxrc.getDescription(LyXRC::RC_PERS_DICT);
2805         else if (ob == dialog_->check_compound_words)
2806                 str = lyxrc.getDescription(LyXRC::RC_ACCEPT_COMPOUND);
2807         else if (ob == dialog_->check_input_enc)
2808                 str = lyxrc.getDescription(LyXRC::RC_USE_INP_ENC);
2809
2810         return str;
2811 }
2812
2813
2814 bool FormPreferences::SpellChecker::input(FL_OBJECT const * const ob)
2815 {
2816         // !ob if function is called from updateSpellChecker() to de/activate
2817         // objects,
2818         // otherwise the function is called by an xforms CB via input().
2819
2820         // If spell checker == "none", disable all input.
2821         if (!ob || ob == dialog_->choice_spell_command) {
2822                 if (fl_get_choice(dialog_->choice_spell_command) == 1) {
2823                         fl_deactivate_object(dialog_->check_alt_lang);
2824                         fl_deactivate_object(dialog_->input_alt_lang);
2825                         fl_deactivate_object(dialog_->check_escape_chars);
2826                         fl_deactivate_object(dialog_->input_escape_chars);
2827                         fl_deactivate_object(dialog_->check_personal_dict);
2828                         fl_deactivate_object(dialog_->input_personal_dict);
2829                         fl_deactivate_object(dialog_->check_compound_words);
2830                         fl_deactivate_object(dialog_->check_input_enc);
2831                         return true;
2832                 } else {
2833                         fl_activate_object(dialog_->check_alt_lang);
2834                         fl_activate_object(dialog_->check_escape_chars);
2835                         fl_activate_object(dialog_->check_personal_dict);
2836                         fl_activate_object(dialog_->check_compound_words);
2837                         fl_activate_object(dialog_->check_input_enc);
2838                 }
2839         }
2840
2841         if (!ob || ob == dialog_->check_alt_lang) {
2842                 bool const enable = fl_get_button(dialog_->check_alt_lang);
2843                 setEnabled(dialog_->input_alt_lang, enable);
2844         }
2845
2846         if (!ob || ob == dialog_->check_escape_chars) {
2847                 bool const enable = fl_get_button(dialog_->check_escape_chars);
2848                 setEnabled(dialog_->input_escape_chars, enable);
2849         }
2850
2851         if (!ob || ob == dialog_->check_personal_dict) {
2852                 bool const enable = fl_get_button(dialog_->check_personal_dict);
2853                 setEnabled(dialog_->input_personal_dict, enable);
2854         }
2855
2856         if (ob == dialog_->button_personal_dict) {
2857                 parent_.browse(dialog_->input_personal_dict,
2858                                N_("Personal dictionary"), "*.ispell",
2859                                make_pair(string(), string()),
2860                                make_pair(string(), string()));
2861         }
2862
2863         return true; // All input is valid!
2864 }
2865
2866
2867 void FormPreferences::SpellChecker::update()
2868 {
2869         int choice = 1;
2870         if (lyxrc.isp_command == "none")
2871                 choice = 1;
2872         else if (lyxrc.isp_command == "ispell")
2873                 choice = 2;
2874         else if (lyxrc.isp_command == "aspell")
2875                 choice = 3;
2876         fl_set_choice(dialog_->choice_spell_command, choice);
2877
2878         string str;
2879         if (lyxrc.isp_use_alt_lang) str = lyxrc.isp_alt_lang;
2880
2881         fl_set_button(dialog_->check_alt_lang,
2882                       lyxrc.isp_use_alt_lang);
2883         fl_set_input(dialog_->input_alt_lang, str.c_str());
2884
2885         str.erase();
2886         if (lyxrc.isp_use_esc_chars) str = lyxrc.isp_esc_chars;
2887
2888         fl_set_button(dialog_->check_escape_chars,
2889                       lyxrc.isp_use_esc_chars);
2890         fl_set_input(dialog_->input_escape_chars, str.c_str());
2891
2892         str.erase();
2893         if (lyxrc.isp_use_pers_dict) str = lyxrc.isp_pers_dict;
2894
2895         fl_set_button(dialog_->check_personal_dict,
2896                       lyxrc.isp_use_pers_dict);
2897         fl_set_input(dialog_->input_personal_dict, str.c_str());
2898
2899         fl_set_button(dialog_->check_compound_words,
2900                       lyxrc.isp_accept_compound);
2901         fl_set_button(dialog_->check_input_enc,
2902                       lyxrc.isp_use_input_encoding);
2903
2904         // Activate/Deactivate the input fields dependent on the state of the
2905         // buttons.
2906         input(0);
2907 }
2908
2909
2910 void FormPreferences::printWarning(string const & warning)
2911 {
2912         warningPosted = true;
2913
2914         string str = _("WARNING!") + string(" ") + warning;
2915         str = formatted(str, dialog_->text_warning->w-10,
2916                          FL_SMALL_SIZE, FL_NORMAL_STYLE);
2917
2918         fl_set_object_label(dialog_->text_warning, str.c_str());
2919         fl_set_object_lsize(dialog_->text_warning, FL_SMALL_SIZE);
2920 }
2921
2922
2923 void FormPreferences::browse(FL_OBJECT * inpt,
2924                              string const & title,
2925                              string const & pattern,
2926                              pair<string,string> const & dir1,
2927                              pair<string,string> const & dir2)
2928 {
2929         // Get the filename from the dialog
2930         string const filename = fl_get_input(inpt);
2931
2932         // Show the file browser dialog
2933         string const new_filename =
2934                 browseFile(filename, title, pattern, dir1, dir2);
2935
2936         // Save the filename to the dialog
2937         if (new_filename != filename && !new_filename.empty()) {
2938                 fl_set_input(inpt, new_filename.c_str());
2939                 input(inpt, 0);
2940         }
2941 }
2942
2943
2944 // C function wrapper, required by xforms.
2945 extern "C" int C_FormPreferencesFeedbackCB(FL_OBJECT * ob, int event,
2946                                            FL_Coord mx, FL_Coord my,
2947                                            int key, void * xev)
2948 {
2949         return FormPreferences::FeedbackCB(ob, event, mx, my, key, xev);
2950 }
2951
2952 int FormPreferences::FeedbackCB(FL_OBJECT * ob, int event,
2953                                 FL_Coord, FL_Coord, int, void *)
2954 {
2955         // Note that the return value is important in the pre-emptive handler.
2956         // Don't return anything other than 0.
2957
2958         Assert(ob);
2959         // Don't Assert this one, as it can happen quite reasonably when things
2960         // are being deleted in the d-tor.
2961         //Assert(ob->form);
2962         if (!ob->form) return 0;
2963
2964         FormPreferences * pre =
2965                 static_cast<FormPreferences*>(ob->form->u_vdata);
2966         pre->Feedback(ob, event);
2967         return 0;
2968 }
2969
2970
2971 // preemptive handler for feedback messages
2972 void FormPreferences::Feedback(FL_OBJECT * ob, int event)
2973 {
2974         Assert(ob);
2975
2976         switch (event) {
2977         case FL_ENTER:
2978                 warningPosted = false;
2979                 feedback(ob);
2980                 break;
2981
2982         case FL_LEAVE:
2983                 if (!warningPosted)
2984                         fl_set_object_label(dialog_->text_warning, "");
2985                 break;
2986
2987         default:
2988                 break;
2989         }
2990 }
2991
2992
2993 void FormPreferences::setPreHandler(FL_OBJECT * ob)
2994 {
2995         Assert(ob);
2996         fl_set_object_prehandler(ob, C_FormPreferencesFeedbackCB);
2997 }