src/frontends/xforms/FormPreferences.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1995 Matthias Ettrich
   7  *          Copyright 1995-2001 The LyX Team.
   8  *
   9  *======================================================*/
  10 /* FormPreferences.C
  11  * FormPreferences Interface Class Implementation
  12  */
  13
  14 #include <config.h>
  15
  16 #include <utility>
  17 #include <iomanip>
  18 #include <X11/Xlib.h>
  19
  20 #include FORMS_H_LOCATION
  21
  22 #ifdef __GNUG_
  23 #pragma implementation
  24 #endif
  25
  26 #include "Color.h"
  27 #include "LColor.h"
  28 #include "Lsstream.h"
  29 #include "FormPreferences.h"
  30 #include "form_preferences.h"
  31 #include "input_validators.h"
  32 #include "LyXView.h"
  33 #include "language.h"
  34 #include "lyxfunc.h"
  35 #include "Dialogs.h"
  36 #include "lyxrc.h"
  37 #include "combox.h"
  38 #include "debug.h"
  39 #include "support/filetools.h"
  40 #include "support/LAssert.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 "helper_funcs.h"
  46 #include "converter.h"
  47 #include "support/lyxfunctional.h"
  48 #include "support/lyxmanip.h"
  49
  50 using std::endl;
  51 using std::pair;
  52 using std::make_pair;
  53 using std::max;
  54 using std::min;
  55 using std::vector;
  56 using SigC::slot;
  57
  58 extern string system_lyxdir;
  59 extern string user_lyxdir;
  60 extern Languages languages;
  61
  62 namespace {
  63
  64 // These should probably go inside the class definition...
  65 Formats    local_formats;
  66 Converters local_converters;
  67
  68 } // namespace anon
  69
  70
  71 FormPreferences::FormPreferences(LyXView * lv, Dialogs * d)
  72         : FormBaseBI(lv, d, _("Preferences"), false),
  73           warningPosted(false),
  74           colors_(*this), converters_(*this), inputs_misc_(*this),
  75           formats_(*this), interface_(*this), language_(*this),
  76           lnf_misc_(*this), outputs_misc_(*this), paths_(*this),
  77           printer_(*this), screen_fonts_(*this), spelloptions_(*this)
  78 {
  79         // let the dialog be shown
  80         // This is a permanent connection so we won't bother
  81         // storing a copy because we won't be disconnecting.
  82         d->showPreferences.connect(slot(this, &FormPreferences::show));
  83         d->showSpellcheckerPreferences.connect(slot(this, &FormPreferences::showSpellPref));
  84 }
  85
  86
  87 void FormPreferences::redraw()
  88 {
  89         if (!(form() && form()->visible))
  90                 return;
  91         fl_redraw_form(form());
  92
  93         FL_FORM * form2 = fl_get_active_folder(dialog_->tabfolder_prefs);
  94         if (!(form2 && form2->visible))
  95                 return;
  96         fl_redraw_form(form2);
  97
  98         FL_FORM * form3 = 0;
  99         if (form2 == converters_tab_->form)
 100                 form3 = fl_get_active_folder(converters_tab_->tabfolder_outer);
 101
 102         else if (form2 == look_n_feel_tab_->form)
 103                 form3 = fl_get_active_folder(look_n_feel_tab_->tabfolder_outer);
 104
 105         else if (form2 == inputs_tab_->form)
 106                 form3 = fl_get_active_folder(inputs_tab_->tabfolder_outer);
 107
 108         else if (form2 == outputs_tab_->form)
 109                 form3 = fl_get_active_folder(outputs_tab_->tabfolder_outer);
 110
 111         else if (form2 == lang_opts_tab_->form)
 112                 form3 = fl_get_active_folder(lang_opts_tab_->tabfolder_outer);
 113
 114         if (form3 && form3->visible)
 115                 fl_redraw_form(form3);
 116 }
 117
 118
 119 FL_FORM * FormPreferences::form() const
 120 {
 121         if (dialog_.get()) return dialog_->form;
 122         return 0;
 123 }
 124
 125
 126 void FormPreferences::showSpellPref()
 127 {
 128         show();
 129         fl_set_folder(dialog_->tabfolder_prefs, lang_opts_tab_->form);
 130         fl_set_folder(lang_opts_tab_->tabfolder_outer, spelloptions_.dialog()->form);
 131 }
 132
 133
 134 void FormPreferences::ok()
 135 {
 136         FormBaseDeprecated::ok();
 137
 138         if (colors_.modifiedXformsPrefs) {
 139                 string const filename =
 140                         AddName(user_lyxdir, "preferences.xform");
 141                 colors_.modifiedXformsPrefs = !XformsColor::write(filename);
 142         }
 143
 144         lv_->getLyXFunc()->dispatch(LFUN_SAVEPREFERENCES);
 145 }
 146
 147
 148 void FormPreferences::hide()
 149 {
 150         // We need to hide the active tabfolder otherwise we get a
 151         // BadDrawable error from X windows and LyX crashes without saving.
 152         FL_FORM * outer_form = fl_get_active_folder(dialog_->tabfolder_prefs);
 153         if (outer_form
 154             && outer_form->visible) {
 155                 fl_hide_form(outer_form);
 156         }
 157         FormBaseDeprecated::hide();
 158 }
 159
 160
 161 void FormPreferences::build()
 162 {
 163         dialog_.reset(build_preferences());
 164
 165         // Manage the restore, save, apply and cancel/close buttons
 166         bc().setOK(dialog_->button_ok);
 167         bc().setApply(dialog_->button_apply);
 168         bc().setCancel(dialog_->button_cancel);
 169         bc().setRestore(dialog_->button_restore);
 170
 171         // build the tab folders
 172         converters_tab_.reset(build_outer_tab());
 173         look_n_feel_tab_.reset(build_outer_tab());
 174         inputs_tab_.reset(build_outer_tab());
 175         outputs_tab_.reset(build_outer_tab());
 176         lang_opts_tab_.reset(build_outer_tab());
 177
 178         // build actual tabfolder contents
 179         // these will become nested tabfolders
 180         colors_.build();
 181         converters_.build();
 182         formats_.build();
 183         inputs_misc_.build();
 184         interface_.build();
 185         language_.build();
 186         lnf_misc_.build();
 187         outputs_misc_.build();
 188         paths_.build();
 189         printer_.build();
 190         screen_fonts_.build();
 191         spelloptions_.build();
 192
 193         // Now add them to the tabfolder
 194         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 195                            _("Look & Feel"),
 196                            look_n_feel_tab_->form);
 197         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 198                            _("Lang Opts"),
 199                            lang_opts_tab_->form);
 200         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 201                            _("Converters"),
 202                            converters_tab_->form);
 203         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 204                            _("Inputs"),
 205                            inputs_tab_->form);
 206         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 207                            _("Outputs"),
 208                            outputs_tab_->form);
 209
 210         // now build the nested tabfolders
 211         // Starting with look and feel
 212         fl_addto_tabfolder(look_n_feel_tab_->tabfolder_outer,
 213                            _("Screen Fonts"),
 214                            screen_fonts_.dialog()->form);
 215         fl_addto_tabfolder(look_n_feel_tab_->tabfolder_outer,
 216                            _("Interface"),
 217                            interface_.dialog()->form);
 218         fl_addto_tabfolder(look_n_feel_tab_->tabfolder_outer,
 219                            _("Colors"),
 220                            colors_.dialog()->form);
 221         fl_addto_tabfolder(look_n_feel_tab_->tabfolder_outer,
 222                            _("Misc"),
 223                            lnf_misc_.dialog()->form);
 224
 225         // then build converters
 226         fl_addto_tabfolder(converters_tab_->tabfolder_outer,
 227                            _("Formats"),
 228                            formats_.dialog()->form);
 229         fl_addto_tabfolder(converters_tab_->tabfolder_outer,
 230                            _("Converters"),
 231                            converters_.dialog()->form);
 232
 233         // then build inputs
 234         // Paths should probably go in a few outer_tab called Files
 235         fl_addto_tabfolder(inputs_tab_->tabfolder_outer,
 236                            _("Paths"),
 237                            paths_.dialog()->form);
 238         fl_addto_tabfolder(inputs_tab_->tabfolder_outer,
 239                            _("Misc"),
 240                            inputs_misc_.dialog()->form);
 241
 242         // then building outputs
 243         fl_addto_tabfolder(outputs_tab_->tabfolder_outer,
 244                            _("Printer"),
 245                            printer_.dialog()->form);
 246         fl_addto_tabfolder(outputs_tab_->tabfolder_outer,
 247                            _("Misc"),
 248                            outputs_misc_.dialog()->form);
 249
 250         // then building usage
 251         fl_addto_tabfolder(lang_opts_tab_->tabfolder_outer,
 252                            _("Spell checker"),
 253                            spelloptions_.dialog()->form);
 254         fl_addto_tabfolder(lang_opts_tab_->tabfolder_outer,
 255                            _("Language"),
 256                            language_.dialog()->form);
 257 }
 258
 259
 260 void FormPreferences::apply()
 261 {
 262         // set the new lyxrc entries
 263         // many of these need to trigger other functions when the assignment
 264         // is made.  For example, screen zoom and font types.  These could be
 265         // handled either by signals/slots in lyxrc or just directly call the
 266         // associated functions here.
 267         // There are other problems with this scheme.  We really should check
 268         // what we copy to make sure that it really is necessary to do things
 269         // like update the screen fonts because that flushes the textcache
 270         // and other stuff which may cost us a lot on slower/high-load
 271         // machines.
 272
 273         colors_.apply();
 274         formats_.apply();    // Must be before converters_.apply()
 275         converters_.apply();
 276         inputs_misc_.apply();
 277         interface_.apply();
 278         language_.apply();
 279         lnf_misc_.apply();
 280         outputs_misc_.apply();
 281         paths_.apply();
 282         printer_.apply();
 283         screen_fonts_.apply();
 284         spelloptions_.apply();
 285 }
 286
 287
 288 void FormPreferences::feedback(FL_OBJECT * ob)
 289 {
 290         lyx::Assert(ob);
 291
 292         string str;
 293
 294         if (ob->form->fdui == colors_.dialog()) {
 295                 str = colors_.feedback(ob);
 296         } else if (ob->form->fdui == converters_.dialog()) {
 297                 str = converters_.feedback(ob);
 298         } else if (ob->form->fdui == formats_.dialog()) {
 299                 str = formats_.feedback(ob);
 300         } else if (ob->form->fdui == inputs_misc_.dialog()) {
 301                 str = inputs_misc_.feedback(ob);
 302         } else if (ob->form->fdui == interface_.dialog()) {
 303                 str = interface_.feedback(ob);
 304         } else if (ob->form->fdui == language_.dialog()) {
 305                 str = language_.feedback(ob);
 306         } else if (ob->form->fdui == lnf_misc_.dialog()) {
 307                 str = lnf_misc_.feedback(ob);
 308         } else if (ob->form->fdui == outputs_misc_.dialog()) {
 309                 str = outputs_misc_.feedback(ob);
 310         } else if (ob->form->fdui == paths_.dialog()) {
 311                 str = paths_.feedback(ob);
 312         } else if (ob->form->fdui == printer_.dialog()) {
 313                 str = printer_.feedback(ob);
 314         } else if (ob->form->fdui == screen_fonts_.dialog()) {
 315                 str = screen_fonts_.feedback(ob);
 316         } else if (ob->form->fdui == spelloptions_.dialog()) {
 317                 str = spelloptions_.feedback(ob);
 318         }
 319
 320         str = formatted(_(str), dialog_->text_warning->w-10, FL_SMALL_SIZE);
 321
 322         fl_set_object_label(dialog_->text_warning, str.c_str());
 323         fl_set_object_lsize(dialog_->text_warning, FL_SMALL_SIZE);
 324 }
 325
 326
 327 bool FormPreferences::input(FL_OBJECT * ob, long)
 328 {
 329         lyx::Assert(ob);
 330
 331         // whatever checks you need to ensure the user hasn't entered
 332         // some totally ridiculous value somewhere.  Change activate to suit.
 333         // comments before each test describe what is _valid_
 334
 335         if (ob->form->fdui == colors_.dialog()) {
 336                 colors_.input(ob);
 337                 return true;
 338         } else if (ob->form->fdui == converters_.dialog())
 339                 return converters_.input(ob);
 340         else if (ob->form->fdui == formats_.dialog())
 341                 return formats_.input(ob);
 342         else if (ob->form->fdui == interface_.dialog())
 343                 return interface_.input(ob);
 344         else if (ob->form->fdui == language_.dialog())
 345                 return language_.input(ob);
 346         else if (ob->form->fdui == paths_.dialog())
 347                 return paths_.input(ob);
 348         else if (ob->form->fdui == screen_fonts_.dialog())
 349                 return screen_fonts_.input();
 350         else if (ob->form->fdui == spelloptions_.dialog())
 351                 return spelloptions_.input(ob);
 352
 353         return true;
 354 }
 355
 356
 357 void FormPreferences::update()
 358 {
 359         if (!dialog_.get()) return;
 360
 361         // read lyxrc entries
 362         colors_.update();
 363         formats_.update();   // Must be before converters_.update()
 364         converters_.update();
 365         inputs_misc_.update();
 366         interface_.update();
 367         language_.update();
 368         lnf_misc_.update();
 369         outputs_misc_.update();
 370         paths_.update();
 371         printer_.update();
 372         screen_fonts_.update();
 373         spelloptions_.update();
 374 }
 375
 376
 377 FormPreferences::Colors::Colors(FormPreferences & p)
 378         : modifiedXformsPrefs(false), parent_(p)
 379 {}
 380
 381
 382 FD_form_colors const * FormPreferences::Colors::dialog()
 383 {
 384         return dialog_.get();
 385 }
 386
 387
 388 void FormPreferences::Colors::apply()
 389 {
 390         bool modifiedText = false;
 391         bool modifiedBackground = false;
 392
 393         for (vector<XformsColor>::const_iterator cit = xformsColorDB.begin();
 394              cit != xformsColorDB.end(); ++cit) {
 395                 RGBColor col;
 396                 fl_getmcolor(cit->colorID, &col.r, &col.g, &col.b);
 397                 if (col != cit->color()) {
 398                         modifiedXformsPrefs = true;
 399                         if (cit->colorID == FL_BLACK)
 400                                 modifiedText = true;
 401                         if (cit->colorID == FL_COL1)
 402                                 modifiedBackground = true;
 403                 }
 404         }
 405
 406         if (modifiedXformsPrefs) {
 407                 for (vector<XformsColor>::const_iterator cit =
 408                              xformsColorDB.begin();
 409                      cit != xformsColorDB.end(); ++cit) {
 410                         fl_mapcolor(cit->colorID, cit->r, cit->g, cit->b);
 411
 412                         if (modifiedText && cit->colorID == FL_BLACK) {
 413                                 AdjustVal(FL_INACTIVE, FL_BLACK, 0.5);
 414                         }
 415
 416                         if (modifiedBackground && cit->colorID == FL_COL1) {
 417                                 AdjustVal(FL_MCOL,      FL_COL1, 0.1);
 418                                 AdjustVal(FL_TOP_BCOL,  FL_COL1, 0.1);
 419                                 AdjustVal(FL_LEFT_BCOL, FL_COL1, 0.1);
 420
 421                                 AdjustVal(FL_RIGHT_BCOL,  FL_COL1, -0.5);
 422                                 AdjustVal(FL_BOTTOM_BCOL, FL_COL1, -0.5);
 423                         }
 424
 425                         if (cit->colorID == GUI_COLOR_CURSOR) {
 426                                 fl_mapcolor(GUI_COLOR_CURSOR,
 427                                             cit->r, cit->g, cit->b);
 428                                 fl_set_cursor_color(FL_DEFAULT_CURSOR,
 429                                                     GUI_COLOR_CURSOR, FL_WHITE);
 430                         }
 431                 }
 432                 Dialogs::redrawGUI();
 433         }
 434
 435         // Now do the same for the LyX LColors...
 436         for (vector<NamedColor>::const_iterator cit = lyxColorDB.begin();
 437              cit != lyxColorDB.end(); ++cit) {
 438                 LColor::color lc = lcolor.getFromGUIName(cit->getname());
 439                 if (lc == LColor::inherit) continue;
 440
 441                 // Create a valid X11 name of the form "#rrggbb"
 442                 string const hexname = X11hexname(cit->color());
 443
 444                 if (lcolor.getX11Name(lc) != hexname) {
 445                         lyxerr[Debug::GUI]
 446                                 << "FormPreferences::Colors::apply: "
 447                                 << "resetting LColor " << lcolor.getGUIName(lc)
 448                                 << " from \"" << lcolor.getX11Name(lc)
 449                                 << "\" to \"" << hexname << "\"."
 450                                 << endl;
 451
 452                         string const s = lcolor.getLyXName(lc) + string(" ") +
 453                                 hexname;
 454                         parent_.lv_->getLyXFunc()->dispatch(LFUN_SET_COLOR, s);
 455                 }
 456         }
 457 }
 458
 459
 460 void FormPreferences::Colors::build()
 461 {
 462         dialog_.reset(parent_.build_colors());
 463
 464         fl_set_object_color(dialog_->button_color,
 465                             GUI_COLOR_CHOICE, GUI_COLOR_CHOICE);
 466
 467         fl_set_object_color(dialog_->dial_hue, GUI_COLOR_HUE_DIAL, FL_BLACK);
 468         fl_set_dial_bounds(dialog_->dial_hue, 0.0, 360.0);
 469         fl_set_dial_step(dialog_->dial_hue, 1.0);
 470         fl_set_dial_return(dialog_->dial_hue, FL_RETURN_CHANGED);
 471
 472         fl_set_slider_bounds(dialog_->slider_saturation, 0.0, 1.0);
 473         fl_set_slider_step(dialog_->slider_saturation, 0.01);
 474         fl_set_slider_return(dialog_->slider_saturation, FL_RETURN_CHANGED);
 475
 476         fl_set_slider_bounds(dialog_->slider_value, 0.0, 1.0);
 477         fl_set_slider_step(dialog_->slider_value, 0.01);
 478         fl_set_slider_return(dialog_->slider_value, FL_RETURN_CHANGED);
 479
 480         fl_set_slider_bounds(dialog_->slider_red, 0.0, 255.0);
 481         fl_set_slider_step(dialog_->slider_red, 1.0);
 482         fl_set_slider_return(dialog_->slider_red, FL_RETURN_CHANGED);
 483
 484         fl_set_slider_bounds(dialog_->slider_green, 0.0, 255.0);
 485         fl_set_slider_step(dialog_->slider_green, 1.0);
 486         fl_set_slider_return(dialog_->slider_green, FL_RETURN_CHANGED);
 487
 488         fl_set_slider_bounds(dialog_->slider_blue, 0.0, 255.0);
 489         fl_set_slider_step(dialog_->slider_blue, 1.0);
 490         fl_set_slider_return(dialog_->slider_blue, FL_RETURN_CHANGED);
 491
 492         // set up the feedback mechanism
 493         setPreHandler(dialog_->browser_lyx_objs);
 494         setPreHandler(dialog_->button_color);
 495         setPreHandler(dialog_->button_modify);
 496         setPreHandler(dialog_->dial_hue);
 497         setPreHandler(dialog_->slider_saturation);
 498         setPreHandler(dialog_->slider_value);
 499         setPreHandler(dialog_->slider_red);
 500         setPreHandler(dialog_->slider_green);
 501         setPreHandler(dialog_->slider_blue);
 502         setPreHandler(dialog_->button_colorspace);
 503 }
 504
 505 string const
 506 FormPreferences::Colors::feedback(FL_OBJECT const * const ob) const
 507 {
 508         string str;
 509
 510         if (ob == dialog_->browser_lyx_objs) {
 511                 str = N_("LyX objects that can be assigned a color.");
 512
 513         } else if (ob == dialog_->button_modify) {
 514                 str = N_("Modify the LyX object's color. Note: you must then \"Apply\" the change.");
 515
 516         } else if (ob == dialog_->dial_hue ||
 517                    ob == dialog_->slider_saturation ||
 518                    ob == dialog_->slider_value ||
 519                    ob == dialog_->slider_red ||
 520                    ob == dialog_->slider_green ||
 521                    ob == dialog_->slider_blue) {
 522                 str = N_("Find a new color.");
 523
 524         } else if (ob == dialog_->button_colorspace) {
 525                 str = N_("Toggle between RGB and HSV color spaces.");
 526         }
 527
 528         return str;
 529 }
 530
 531
 532 void FormPreferences::Colors::input(FL_OBJECT const * const ob)
 533 {
 534         if (ob == dialog_->browser_lyx_objs) {
 535                 InputBrowserLyX();
 536
 537         } else if (ob == dialog_->dial_hue ||
 538                    ob == dialog_->slider_saturation ||
 539                    ob == dialog_->slider_value) {
 540                 InputHSV();
 541
 542         } else if (ob == dialog_->slider_red ||
 543                    ob == dialog_->slider_green ||
 544                    ob == dialog_->slider_blue) {
 545                 InputRGB();
 546
 547         } else if (ob == dialog_->button_colorspace) {
 548                 SwitchColorSpace();
 549
 550         } else if (ob == dialog_->button_modify) {
 551                 Modify();
 552         }
 553 }
 554
 555
 556 void FormPreferences::Colors::AdjustVal(int colAdjust, int colParent,
 557                                         double addVal) const
 558 {
 559         RGBColor rgb;
 560         fl_getmcolor(colParent, &rgb.r, &rgb.g, &rgb.b);
 561
 562         HSVColor hsv(rgb);
 563         hsv.v += addVal;
 564         hsv.v = min( 1.0, max(0.0, hsv.v) );
 565
 566         rgb = RGBColor(hsv);
 567         fl_mapcolor(colAdjust, rgb.r, rgb.g, rgb.b);
 568 }
 569
 570
 571 void FormPreferences::Colors::InputBrowserLyX() const
 572 {
 573         vector<NamedColor>::size_type const selLyX =
 574                 fl_get_browser(dialog_->browser_lyx_objs);
 575         if (selLyX < 1) return;
 576
 577         // Is the choice an Xforms color...
 578         RGBColor col;
 579
 580         if( selLyX-1 < xformsColorDB.size() ) {
 581                 vector<XformsColor>::size_type const i = selLyX - 1;
 582                 col = xformsColorDB[i].color();
 583         }
 584         // or a LyX Logical color?
 585         else {
 586                 vector<NamedColor>::size_type const i = selLyX - 1 -
 587                         xformsColorDB.size();
 588                 col = lyxColorDB[i].color();
 589         }
 590
 591         fl_freeze_form(dialog_->form);
 592
 593         fl_mapcolor(GUI_COLOR_CHOICE, col.r, col.g, col.b);
 594         fl_redraw_object(dialog_->button_color);
 595
 596         // Display either RGB or HSV but not both!
 597         SwitchColorSpace();
 598
 599         // Deactivate the modify button to begin with...
 600         setEnabled(dialog_->button_modify, false);
 601
 602         fl_unfreeze_form(dialog_->form);
 603 }
 604
 605
 606 void FormPreferences::Colors::InputHSV()
 607 {
 608         double const hue = fl_get_dial_value(dialog_->dial_hue);
 609         double const sat = fl_get_slider_value(dialog_->slider_saturation);
 610         double const val = fl_get_slider_value(dialog_->slider_value);
 611
 612         int const h = int(hue);
 613         int const s = int(100.0 * sat);
 614         int const v = int(100.0 * val);
 615
 616         string const label = tostr(h) + string(", ") + tostr(s) + string(", ") +
 617                 tostr(v);
 618         fl_set_object_label(dialog_->text_color_values, label.c_str());
 619
 620         RGBColor col = HSVColor(hue, sat, val);
 621
 622         fl_freeze_form(dialog_->form);
 623
 624         fl_mapcolor(GUI_COLOR_CHOICE, col.r, col.g, col.b);
 625         fl_redraw_object(dialog_->button_color);
 626
 627         col = HSVColor(hue, 1.0, 1.0);
 628         col.r = max(col.r, 0);
 629         fl_mapcolor(GUI_COLOR_HUE_DIAL, col.r, col.g, col.b);
 630         fl_redraw_object(dialog_->dial_hue);
 631
 632         // Ascertain whether to activate the Modify button.
 633         vector<NamedColor>::size_type const selLyX =
 634                 fl_get_browser(dialog_->browser_lyx_objs);
 635
 636         fl_unfreeze_form(dialog_->form);
 637         if (selLyX < 1) return;
 638
 639         fl_getmcolor(GUI_COLOR_CHOICE, &col.r, &col.g, &col.b);
 640         bool modify = false;
 641
 642         // Is the choice an Xforms color...
 643         if( selLyX-1 < xformsColorDB.size() ) {
 644                 vector<XformsColor>::size_type const i = selLyX - 1;
 645                 modify = (xformsColorDB[i].color() != col);
 646         }
 647         // or a LyX Logical color?
 648         else {
 649                 vector<NamedColor>::size_type const i = selLyX - 1 -
 650                         xformsColorDB.size();
 651                 modify = (lyxColorDB[i].color() != col);
 652         }
 653
 654         setEnabled(dialog_->button_modify, modify);
 655 }
 656
 657
 658 void FormPreferences::Colors::InputRGB()
 659 {
 660         int const red   = int(fl_get_slider_value(dialog_->slider_red));
 661         int const green = int(fl_get_slider_value(dialog_->slider_green));
 662         int const blue  = int(fl_get_slider_value(dialog_->slider_blue));
 663
 664         string const label = tostr(red) + string(", ") + tostr(green) +
 665                 string(", ") + tostr(blue);
 666         fl_set_object_label(dialog_->text_color_values, label.c_str());
 667
 668         fl_freeze_form(dialog_->form);
 669
 670         RGBColor col = RGBColor(red, green, blue);
 671         fl_mapcolor(GUI_COLOR_CHOICE, col.r, col.g, col.b);
 672         fl_redraw_object(dialog_->button_color);
 673
 674         // Ascertain whether to activate the Modify button.
 675         vector<NamedColor>::size_type const selLyX =
 676                 fl_get_browser(dialog_->browser_lyx_objs);
 677
 678         fl_unfreeze_form(dialog_->form);
 679         if (selLyX < 1) return;
 680
 681         bool modify = false;
 682
 683         // Is the choice an Xforms color...
 684         if( selLyX-1 < xformsColorDB.size() ) {
 685                 vector<XformsColor>::size_type const i = selLyX - 1;
 686                 modify = (xformsColorDB[i].color() != col);
 687         }
 688         // or a LyX Logical color?
 689         else {
 690                 vector<NamedColor>::size_type const i = selLyX - 1 -
 691                         xformsColorDB.size();
 692                 modify = (lyxColorDB[i].color() != col);
 693         }
 694
 695         setEnabled(dialog_->button_modify, modify);
 696 }
 697
 698
 699 void FormPreferences::Colors::LoadBrowserLyX()
 700 {
 701         if (!dialog_->browser_lyx_objs->visible) return;
 702
 703         // First, define the modifiable xforms colors
 704         xformsColorDB.clear();
 705         XformsColor xcol;
 706
 707         xcol.name = _("GUI background");
 708         xcol.colorID = FL_COL1;
 709         fl_getmcolor(FL_COL1, &xcol.r, &xcol.g, &xcol.b);
 710
 711         xformsColorDB.push_back(xcol);
 712
 713         xcol.name = _("GUI text");
 714         xcol.colorID = FL_BLACK;
 715         fl_getmcolor(FL_BLACK, &xcol.r, &xcol.g, &xcol.b);
 716
 717         fl_mapcolor(GUI_COLOR_CURSOR, xcol.r, xcol.g, xcol.b);
 718         fl_set_cursor_color(FL_DEFAULT_CURSOR, GUI_COLOR_CURSOR, FL_WHITE);
 719
 720         xformsColorDB.push_back(xcol);
 721
 722         xcol.name = _("GUI selection");
 723         xcol.colorID = FL_YELLOW;
 724         fl_getmcolor(FL_YELLOW, &xcol.r, &xcol.g, &xcol.b);
 725
 726         xformsColorDB.push_back(xcol);
 727
 728         xcol.name = _("GUI pointer");
 729         xcol.colorID = GUI_COLOR_CURSOR;
 730         fl_getmcolor(GUI_COLOR_CURSOR, &xcol.r, &xcol.g, &xcol.b);
 731
 732         xformsColorDB.push_back(xcol);
 733
 734         // Now create the the LyX LColors database
 735         lyxColorDB.clear();
 736         for (int i=0; i<LColor::ignore; ++i) {
 737                 LColor::color lc = static_cast<LColor::color>(i);
 738                 if (lc == LColor::none
 739                     || lc == LColor::black
 740                     || lc == LColor::white
 741                     || lc == LColor::red
 742                     || lc == LColor::green
 743                     || lc == LColor::blue
 744                     || lc == LColor::cyan
 745                     || lc == LColor::magenta
 746                     || lc == LColor::yellow
 747                     || lc == LColor::inherit
 748                     || lc == LColor::ignore) continue;
 749
 750                 string const name = lcolor.getX11Name(lc);
 751                 Display * display = fl_get_display();;
 752                 Colormap const colormap = fl_state[fl_get_vclass()].colormap;
 753                 XColor xcol, ccol;
 754
 755                 if (XLookupColor(display, colormap, name.c_str(), &xcol, &ccol)
 756                     == 0) {
 757                         lyxerr << "FormPreferences::Colors::LoadBrowserLyX:\n"
 758                                << "LColor " << lcolor.getLyXName(lc)
 759                                << ": X can't find color \"" << name
 760                                << "\". Set to \"black\"!" << endl;
 761
 762                         string const arg = lcolor.getLyXName(lc) + " black";
 763                         parent_.lv_->getLyXFunc()->
 764                                 dispatch(LFUN_SET_COLOR, arg);
 765                         continue;
 766                 }
 767
 768                 // X has found the color. Now find the "appropriate" X11 name
 769                 // for this color.
 770
 771                 // Note that X stores the RGB values in the range 0 - 65535
 772                 // whilst we require them in the range 0 - 255.
 773                 RGBColor col;
 774                 col.r = xcol.red   / 256;
 775                 col.g = xcol.green / 256;
 776                 col.b = xcol.blue  / 256;
 777
 778                 // Create a valid X11 name of the form "#rrggbb" and change the
 779                 // LColor X11name to this. Don't want to trigger a redraw,
 780                 // as we're just changing the name not the RGB values.
 781                 // Also reset the system_lcolor names, so that we don't output
 782                 // unnecessary changes.
 783                 string const hexname = X11hexname(col);
 784
 785                 if (lcolor.getX11Name(lc) != hexname) {
 786                         lcolor.setColor(lc, hexname);
 787                         system_lcolor.setColor(lc, hexname);
 788                 }
 789
 790                 // Finally, push the color onto the database
 791                 NamedColor ncol(lcolor.getGUIName(lc), col);
 792                 lyxColorDB.push_back(ncol);
 793         }
 794
 795         // Now construct the browser
 796         FL_OBJECT * colbr = dialog_->browser_lyx_objs;
 797         fl_freeze_form(dialog_->form);
 798         fl_clear_browser(colbr);
 799         for (vector<XformsColor>::const_iterator cit = xformsColorDB.begin();
 800              cit != xformsColorDB.end(); ++cit) {
 801                 fl_addto_browser(colbr, cit->getname().c_str());
 802         }
 803         for (vector<NamedColor>::const_iterator cit = lyxColorDB.begin();
 804              cit != lyxColorDB.end(); ++cit) {
 805                 fl_addto_browser(colbr, cit->getname().c_str());
 806         }
 807
 808         // just to be safe...
 809         fl_set_browser_topline(dialog_->browser_lyx_objs, 1);
 810         fl_select_browser_line(dialog_->browser_lyx_objs, 1);
 811         fl_unfreeze_form(dialog_->form);
 812
 813         InputBrowserLyX();
 814 }
 815
 816
 817 void FormPreferences::Colors::Modify()
 818 {
 819         vector<NamedColor>::size_type const selLyX =
 820                 fl_get_browser(dialog_->browser_lyx_objs);
 821         if (selLyX < 1) return;
 822
 823         RGBColor col;
 824         fl_getmcolor(GUI_COLOR_CHOICE, &col.r, &col.g, &col.b);
 825
 826         // Is the choice an Xforms color...
 827         if( selLyX-1 < xformsColorDB.size() ) {
 828                 vector<XformsColor>::size_type const i = selLyX - 1;
 829                 xformsColorDB[i].r  = col.r;
 830                 xformsColorDB[i].g  = col.g;
 831                 xformsColorDB[i].b  = col.b;
 832         }
 833         // or a LyX Logical color?
 834         else {
 835                 vector<NamedColor>::size_type const i = selLyX - 1 -
 836                         xformsColorDB.size();
 837                 lyxColorDB[i].r  = col.r;
 838                 lyxColorDB[i].g  = col.g;
 839                 lyxColorDB[i].b  = col.b;
 840         }
 841
 842         fl_freeze_form(dialog_->form);
 843         setEnabled(dialog_->button_modify, false);
 844         fl_unfreeze_form(dialog_->form);
 845 }
 846
 847
 848 void FormPreferences::Colors::SwitchColorSpace() const
 849 {
 850         bool const pressed = fl_get_button(dialog_->button_colorspace);
 851
 852         RGBColor col;
 853         fl_getmcolor(GUI_COLOR_CHOICE, &col.r, &col.g, &col.b);
 854
 855         fl_freeze_form(dialog_->form);
 856
 857         if (pressed) {
 858                 fl_set_object_label(dialog_->button_colorspace, _("HSV"));
 859
 860                 fl_hide_object(dialog_->slider_red);
 861                 fl_hide_object(dialog_->slider_blue);
 862                 fl_hide_object(dialog_->slider_green);
 863                 fl_show_object(dialog_->dial_hue);
 864                 fl_show_object(dialog_->slider_saturation);
 865                 fl_show_object(dialog_->slider_value);
 866
 867                 HSVColor hsv = HSVColor(col);
 868                 hsv.h = max(hsv.h, 0.0);
 869
 870                 fl_set_dial_value(dialog_->dial_hue, hsv.h);
 871                 fl_set_slider_value(dialog_->slider_saturation, hsv.s);
 872                 fl_set_slider_value(dialog_->slider_value, hsv.v);
 873
 874                 col = HSVColor(hsv.h, 1.0, 1.0);
 875                 col.r = max(col.r,0);
 876                 fl_mapcolor(GUI_COLOR_HUE_DIAL, col.r, col.g, col.b);
 877                 fl_redraw_object(dialog_->dial_hue);
 878
 879                 // Adjust the label a bit, but not the actual values.
 880                 // Means that toggling from one space to the other has no
 881                 // effect on the final color.
 882                 int const h = int(hsv.h);
 883                 int const s = int(100*hsv.s);
 884                 int const v = int(100*hsv.v);
 885                 string const label = tostr(h) + string(", ") + tostr(s) +
 886                         string(", ") + tostr(v);
 887                 fl_set_object_label(dialog_->text_color_values, label.c_str());
 888
 889         } else {
 890                 fl_set_object_label(dialog_->button_colorspace, _("RGB"));
 891
 892                 fl_show_object(dialog_->slider_red);
 893                 fl_show_object(dialog_->slider_blue);
 894                 fl_show_object(dialog_->slider_green);
 895                 fl_hide_object(dialog_->dial_hue);
 896                 fl_hide_object(dialog_->slider_saturation);
 897                 fl_hide_object(dialog_->slider_value);
 898
 899                 fl_set_slider_value(dialog_->slider_red,   col.r);
 900                 fl_set_slider_value(dialog_->slider_green, col.g);
 901                 fl_set_slider_value(dialog_->slider_blue,  col.b);
 902
 903                 // Adjust the label a bit. Same reasoning as above.
 904                 int const r = int(col.r);
 905                 int const g = int(col.g);
 906                 int const b = int(col.b);
 907                 string const label = tostr(r) + string(", ") + tostr(g) +
 908                         string(", ") + tostr(b);
 909                 fl_set_object_label(dialog_->text_color_values, label.c_str());
 910         }
 911
 912         fl_unfreeze_form(dialog_->form);
 913 }
 914
 915 string const FormPreferences::Colors::X11hexname(RGBColor const & col) const
 916 {
 917         ostringstream ostr;
 918
 919         ostr << "#" << std::setbase(16) << std::setfill('0')
 920              << std::setw(2) << col.r
 921              << std::setw(2) << col.g
 922              << std::setw(2) << col.b;
 923
 924         return ostr.str().c_str();
 925 }
 926
 927
 928 FormPreferences::Converters::Converters(FormPreferences & p)
 929         : parent_(p)
 930 {}
 931
 932
 933 FD_form_converters const * FormPreferences::Converters::dialog()
 934 {
 935         return dialog_.get();
 936 }
 937
 938
 939 void FormPreferences::Converters::apply() const
 940 {
 941         converters = local_converters;
 942         converters.update(formats);
 943         converters.buildGraph();
 944 }
 945
 946
 947 void FormPreferences::Converters::build()
 948 {
 949         dialog_.reset(parent_.build_converters());
 950
 951         fl_set_input_return(dialog_->input_converter, FL_RETURN_CHANGED);
 952         fl_set_input_return(dialog_->input_flags, FL_RETURN_CHANGED);
 953
 954         // set up the feedback mechanism
 955         setPreHandler(dialog_->browser_all);
 956         setPreHandler(dialog_->button_delete);
 957         setPreHandler(dialog_->button_add);
 958         setPreHandler(dialog_->input_converter);
 959         setPreHandler(dialog_->choice_from);
 960         setPreHandler(dialog_->choice_to);
 961         setPreHandler(dialog_->input_flags);
 962 }
 963
 964
 965 string const
 966 FormPreferences::Converters::feedback(FL_OBJECT const * const ob) const
 967 {
 968         string str;
 969
 970         if (ob == dialog_->browser_all) {
 971                 str = N_("All the currently defined converters known to LyX.");
 972         } else if (ob == dialog_->choice_from) {
 973                 str = N_("Convert \"from\" this format");
 974         } else if (ob == dialog_->choice_to) {
 975                 str = N_("Convert \"to\" this format");
 976         } else if (ob == dialog_->input_converter) {
 977                 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.");
 978         } else if (ob == dialog_->input_flags) {
 979                 str = N_("Flags that control the converter behavior");
 980         } else if (ob == dialog_->button_delete) {
 981                 str = N_("Remove the current converter from the list of available converters. Note: you must then \"Apply\" the change.");
 982         } else if (ob == dialog_->button_add) {
 983                 if (string(ob->label) == _("Add"))
 984                         str = N_("Add the current converter to the list of available converters. Note: you must then \"Apply\" the change.");
 985                 else
 986                         str = N_("Modify the contents of the current converter. Note: you must then \"Apply\" the change.");
 987         }
 988
 989         return str;
 990 }
 991
 992
 993 bool FormPreferences::Converters::input(FL_OBJECT const * const ob)
 994 {
 995         if (ob == dialog_->browser_all) {
 996                 return Browser();
 997
 998         } else if (ob == dialog_->choice_from
 999                    || ob == dialog_->choice_to
1000                    || ob == dialog_->input_converter
1001                    || ob == dialog_->input_flags) {
1002                 return Input();
1003
1004         } else if (ob == dialog_->button_add) {
1005                 return Add();
1006
1007         } else if (ob == dialog_->button_delete) {
1008                 return erase();
1009         }
1010
1011         return true;
1012 }
1013
1014
1015 void FormPreferences::Converters::update()
1016 {
1017         local_converters = converters;
1018         local_converters.update(local_formats);
1019         UpdateBrowser();
1020 }
1021
1022
1023 void FormPreferences::Converters::UpdateBrowser()
1024 {
1025         local_converters.sort();
1026
1027         fl_freeze_form(dialog_->form);
1028         fl_clear_browser(dialog_->browser_all);
1029         for (::Converters::const_iterator cit = local_converters.begin();
1030              cit != local_converters.end(); ++cit) {
1031                 string const name = cit->From->prettyname() + " -> "
1032                         + cit->To->prettyname();
1033                 fl_addto_browser(dialog_->browser_all, name.c_str());
1034         }
1035         Input();
1036         fl_unfreeze_form(dialog_->form);
1037 }
1038
1039
1040 bool FormPreferences::Converters::Add()
1041 {
1042         string const from = GetFrom();
1043         string const to = GetTo();
1044         string const command = fl_get_input(dialog_->input_converter);
1045         string const flags = fl_get_input(dialog_->input_flags);
1046
1047         Converter const * old = local_converters.getConverter(from, to);
1048         local_converters.add(from, to, command, flags);
1049         if (!old) {
1050                 local_converters.updateLast(local_formats);
1051                 UpdateBrowser();
1052         }
1053         setEnabled(dialog_->button_add, false);
1054
1055         return true;
1056 }
1057
1058
1059 bool FormPreferences::Converters::Browser()
1060 {
1061         int const i = fl_get_browser(dialog_->browser_all);
1062         if (i <= 0) return false;
1063
1064         fl_freeze_form(dialog_->form);
1065
1066         Converter const & c = local_converters.get(i - 1);
1067         int j = local_formats.getNumber(c.from);
1068         if (j >= 0)
1069                 fl_set_choice(dialog_->choice_from, j + 1);
1070
1071         j = local_formats.getNumber(c.to);
1072         if (j >= 0)
1073                 fl_set_choice(dialog_->choice_to, j + 1);
1074
1075         fl_set_input(dialog_->input_converter, c.command.c_str());
1076         fl_set_input(dialog_->input_flags, c.flags.c_str());
1077
1078         fl_set_object_label(dialog_->button_add, idex(_("Modify|#M")));
1079         fl_set_button_shortcut(dialog_->button_add, scex(_("Modify|#M")), 1);
1080
1081         setEnabled(dialog_->button_add,    false);
1082         setEnabled(dialog_->button_delete, true);
1083
1084         fl_unfreeze_form(dialog_->form);
1085         return false;
1086 }
1087
1088
1089 bool FormPreferences::Converters::erase()
1090 {
1091         string const from = GetFrom();
1092         string const to = GetTo();
1093
1094         local_converters.erase(from, to);
1095         UpdateBrowser();
1096         return true;
1097 }
1098
1099
1100 bool FormPreferences::Converters::Input()
1101 {
1102         string const from = GetFrom();
1103         string const to = GetTo();
1104         int const sel = local_converters.getNumber(from, to);
1105
1106         fl_freeze_form(dialog_->form);
1107
1108         if (sel < 0) {
1109                 fl_set_object_label(dialog_->button_add, idex(_("Add|#A")));
1110                 fl_set_button_shortcut(dialog_->button_add,
1111                                        scex(_("Add|#A")), 1);
1112
1113                 fl_deselect_browser(dialog_->browser_all);
1114                 setEnabled(dialog_->button_delete, false);
1115
1116         } else {
1117                 fl_set_object_label(dialog_->button_add, idex(_("Modify|#M")));
1118                 fl_set_button_shortcut(dialog_->button_add,
1119                                         scex(_("Modify|#M")), 1);
1120
1121                 int top = max(sel-5, 0);
1122                 fl_set_browser_topline(dialog_->browser_all, top);
1123                 fl_select_browser_line(dialog_->browser_all, sel+1);
1124                 setEnabled(dialog_->button_delete, true);
1125         }
1126
1127         string const command = strip(fl_get_input(dialog_->input_converter));
1128         bool const enable = !(command.empty() || from == to);
1129         setEnabled(dialog_->button_add, enable);
1130
1131         fl_unfreeze_form(dialog_->form);
1132         return false;
1133 }
1134
1135
1136 string const FormPreferences::Converters::GetFrom() const
1137 {
1138         ::Formats::FormatList::size_type const i =
1139                 fl_get_choice(dialog_->choice_from);
1140
1141         if (i > 0 && i <= local_formats.size())
1142                 return local_formats.get(i - 1).name();
1143         else {
1144                 lyxerr << "FormPreferences::Converters::GetFrom: No choice!"
1145                        << endl;
1146                 return "???";
1147         }
1148 }
1149
1150
1151 string const FormPreferences::Converters::GetTo() const
1152 {
1153         ::Formats::FormatList::size_type const i =
1154                 fl_get_choice(dialog_->choice_to);
1155
1156         if (i > 0 && i <= local_formats.size())
1157                 return local_formats.get(i - 1).name();
1158         else {
1159                 lyxerr << "FormPreferences::Converters::GetTo: No choice!"
1160                        << endl;
1161                 return "???";
1162         }
1163 }
1164
1165
1166 void FormPreferences::Converters::UpdateChoices() const
1167 {
1168         string choice;
1169         for (::Formats::const_iterator cit = local_formats.begin();
1170              cit != local_formats.end(); ++cit) {
1171                 if (!choice.empty())
1172                         choice += " | ";
1173                 else
1174                         choice += " ";
1175                 choice += cit->prettyname();
1176         }
1177         choice += " ";
1178
1179         fl_clear_choice(dialog_->choice_from);
1180         fl_addto_choice(dialog_->choice_from, choice.c_str());
1181
1182         fl_clear_choice(dialog_->choice_to);
1183         fl_addto_choice(dialog_->choice_to, choice.c_str());
1184 }
1185
1186
1187 FormPreferences::Formats::Formats( FormPreferences &  p )
1188         : parent_(p)
1189 {}
1190
1191
1192 FD_form_formats const * FormPreferences::Formats::dialog()
1193 {
1194         return dialog_.get();
1195 }
1196
1197
1198 void FormPreferences::Formats::apply() const
1199 {
1200         formats = local_formats;
1201 }
1202
1203
1204 void FormPreferences::Formats::build()
1205 {
1206         dialog_.reset(parent_.build_formats());
1207
1208         fl_set_input_return(dialog_->input_format, FL_RETURN_CHANGED);
1209         fl_set_input_return(dialog_->input_viewer, FL_RETURN_CHANGED);
1210         fl_set_input_return(dialog_->input_shrtcut, FL_RETURN_CHANGED);
1211         fl_set_input_return(dialog_->input_gui_name, FL_RETURN_CHANGED);
1212         fl_set_input_return(dialog_->input_extension, FL_RETURN_CHANGED);
1213
1214         fl_set_input_filter(dialog_->input_format, fl_lowercase_filter);
1215
1216         // set up the feedback mechanism
1217         setPreHandler(dialog_->browser_all);
1218         setPreHandler(dialog_->input_format);
1219         setPreHandler(dialog_->input_gui_name);
1220         setPreHandler(dialog_->button_delete);
1221         setPreHandler(dialog_->button_add);
1222         setPreHandler(dialog_->input_extension);
1223         setPreHandler(dialog_->input_viewer);
1224         setPreHandler(dialog_->input_shrtcut);
1225 }
1226
1227
1228 string const
1229 FormPreferences::Formats::feedback(FL_OBJECT const * const ob) const
1230 {
1231         string str;
1232
1233         if (ob == dialog_->browser_all) {
1234                 str = N_("All the currently defined formats known to LyX.");
1235         } else if (ob == dialog_->input_format) {
1236                 str = N_("The format identifier.");
1237         } else if (ob == dialog_->input_gui_name) {
1238                 str = N_("The format name as it will appear in the menus.");
1239         } else if (ob == dialog_->input_shrtcut) {
1240                 str = N_("The keyboard accelerator. Use a letter in the GUI name. Case sensitive.");
1241         } else if (ob == dialog_->input_extension) {
1242                 str = N_("Used to recognize the file. E.g., ps, pdf, tex.");
1243         } else if (ob == dialog_->input_viewer) {
1244                 str = N_("The command used to launch the viewer application.");
1245         } else if (ob == dialog_->button_delete) {
1246                 str = N_("Remove the current format from the list of available formats. Note: you must then \"Apply\" the change.");
1247         } else if (ob == dialog_->button_add) {
1248                 if (string(ob->label) == _("Add"))
1249                         str = N_("Add the current format to the list of available formats. Note: you must then \"Apply\" the change.");
1250                 else
1251                         str = N_("Modify the contents of the current format. Note: you must then \"Apply\" the change.");
1252         }
1253
1254         return str;
1255 }
1256
1257
1258 bool FormPreferences::Formats::input(FL_OBJECT const * const ob)
1259 {
1260         if (ob == dialog_->browser_all) {
1261                 return Browser();
1262
1263         } else if (ob == dialog_->input_format
1264                    || ob == dialog_->input_gui_name
1265                    || ob == dialog_->input_shrtcut
1266                    || ob == dialog_->input_extension
1267                    || ob == dialog_->input_viewer) {
1268                 return Input();
1269
1270         } else if (ob == dialog_->button_add) {
1271                 return Add();
1272
1273         } else if (ob == dialog_->button_delete) {
1274                 return erase();
1275         }
1276
1277         return false;
1278 }
1279
1280
1281 void FormPreferences::Formats::update()
1282 {
1283         local_formats = formats;
1284         UpdateBrowser();
1285 }
1286
1287
1288 void FormPreferences::Formats::UpdateBrowser()
1289 {
1290         local_formats.sort();
1291
1292         fl_freeze_form(dialog_->form);
1293         fl_deselect_browser(dialog_->browser_all);
1294         fl_clear_browser(dialog_->browser_all);
1295         for (::Formats::const_iterator cit = local_formats.begin();
1296              cit != local_formats.end(); ++cit)
1297                 fl_addto_browser(dialog_->browser_all,
1298                                  cit->prettyname().c_str());
1299
1300         Input();
1301         fl_unfreeze_form(dialog_->form);
1302
1303         // Mustn't forget to update the Formats available to the converters_
1304         parent_.converters_.UpdateChoices();
1305         local_converters.update(local_formats);
1306 }
1307
1308
1309 bool FormPreferences::Formats::Add()
1310 {
1311         string const name = fl_get_input(dialog_->input_format);
1312         string const prettyname = fl_get_input(dialog_->input_gui_name);
1313         string const extension = fl_get_input(dialog_->input_extension);
1314         string const shortcut =  fl_get_input(dialog_->input_shrtcut);
1315         string const viewer =  fl_get_input(dialog_->input_viewer);
1316
1317         Format const * old = local_formats.getFormat(name);
1318         string const old_prettyname = old ? old->prettyname() : string();
1319         local_formats.add(name, extension, prettyname, shortcut);
1320         local_formats.setViewer(name, viewer);
1321         if (!old || prettyname != old_prettyname) {
1322                 UpdateBrowser();
1323                 if (old)
1324                         parent_.converters_.UpdateBrowser();
1325         }
1326         setEnabled(dialog_->button_add, false);
1327
1328         return true;
1329 }
1330
1331
1332 bool FormPreferences::Formats::Browser()
1333 {
1334         int const i = fl_get_browser(dialog_->browser_all);
1335         if (i <= 0) return false;
1336
1337         fl_freeze_form(dialog_->form);
1338
1339         Format const & f = local_formats.get(i - 1);
1340
1341         fl_set_input(dialog_->input_format, f.name().c_str());
1342         fl_set_input(dialog_->input_gui_name, f.prettyname().c_str());
1343         fl_set_input(dialog_->input_shrtcut, f.shortcut().c_str());
1344         fl_set_input(dialog_->input_extension, f.extension().c_str());
1345         fl_set_input(dialog_->input_viewer, f.viewer().c_str());
1346
1347         fl_set_object_label(dialog_->button_add, idex(_("Modify|#M")));
1348         fl_set_button_shortcut(dialog_->button_add, scex(_("Modify|#M")), 1);
1349
1350         setEnabled(dialog_->button_add,    false);
1351         setEnabled(dialog_->button_delete, true);
1352
1353         fl_unfreeze_form(dialog_->form);
1354         return false;
1355 }
1356
1357
1358 bool FormPreferences::Formats::erase()
1359 {
1360         string const name = fl_get_input(dialog_->input_format);
1361
1362         if (local_converters.formatIsUsed(name)) {
1363                 parent_.printWarning(_("Cannot remove a Format used by a Converter. Remove the converter first."));
1364                 setEnabled(dialog_->button_delete, false);
1365                 return false;
1366         }
1367
1368         local_formats.erase(name);
1369         UpdateBrowser();
1370         return true;
1371 }
1372
1373
1374 bool FormPreferences::Formats::Input()
1375 {
1376         string const name = fl_get_input(dialog_->input_format);
1377         int const sel = local_formats.getNumber(name);
1378         fl_freeze_form(dialog_->form);
1379
1380         if (sel < 0) {
1381                 fl_set_object_label(dialog_->button_add,
1382                                      idex(_("Add|#A")));
1383                 fl_set_button_shortcut(dialog_->button_add,
1384                                         scex(_("Add|#A")), 1);
1385
1386                 fl_deselect_browser(dialog_->browser_all);
1387                 setEnabled(dialog_->button_delete, false);
1388
1389         } else {
1390                 fl_set_object_label(dialog_->button_add,
1391                                      idex(_("Modify|#M")));
1392                 fl_set_button_shortcut(dialog_->button_add,
1393                                         scex(_("Modify|#M")), 1);
1394
1395                 int const top = max(sel-5, 0);
1396                 fl_set_browser_topline(dialog_->browser_all, top);
1397                 fl_select_browser_line(dialog_->browser_all, sel+1);
1398
1399                 setEnabled(dialog_->button_add, true);
1400                 setEnabled(dialog_->button_delete, true);
1401         }
1402
1403         string const prettyname = fl_get_input(dialog_->input_gui_name);
1404         bool const enable = !(name.empty() || prettyname.empty());
1405         setEnabled(dialog_->button_add, enable);
1406
1407         fl_unfreeze_form(dialog_->form);
1408         return false;
1409 }
1410
1411
1412 FormPreferences::InputsMisc::InputsMisc( FormPreferences &  p )
1413         : parent_(p)
1414 {}
1415
1416
1417 FD_form_inputs_misc const * FormPreferences::InputsMisc::dialog()
1418 {
1419         return dialog_.get();
1420 }
1421
1422
1423 void FormPreferences::InputsMisc::apply() const
1424 {
1425         lyxrc.date_insert_format =
1426                 fl_get_input(dialog_->input_date_format);
1427 }
1428
1429
1430 void FormPreferences::InputsMisc::build()
1431 {
1432         dialog_.reset(parent_.build_inputs_misc());
1433
1434         fl_set_input_return(dialog_->input_date_format, FL_RETURN_CHANGED);
1435
1436         // set up the feedback mechanism
1437         setPreHandler(dialog_->input_date_format);
1438 }
1439
1440
1441 string const
1442 FormPreferences::InputsMisc::feedback(FL_OBJECT const * const ob) const
1443 {
1444         string str;
1445
1446         if (ob == dialog_->input_date_format)
1447                 str = lyxrc.getDescription(LyXRC::RC_DATE_INSERT_FORMAT);
1448
1449         return str;
1450 }
1451
1452
1453 void FormPreferences::InputsMisc::update()
1454 {
1455         fl_set_input(dialog_->input_date_format,
1456                      lyxrc.date_insert_format.c_str());
1457 }
1458
1459
1460 FormPreferences::Interface::Interface( FormPreferences &  p )
1461         : parent_(p)
1462 {}
1463
1464
1465 FD_form_interface const * FormPreferences::Interface::dialog()
1466 {
1467         return dialog_.get();
1468 }
1469
1470
1471 void FormPreferences::Interface::apply() const
1472 {
1473         lyxrc.popup_font_name =
1474                 fl_get_input(dialog_->input_popup_font);
1475         lyxrc.menu_font_name = fl_get_input(dialog_->input_menu_font);
1476         lyxrc.font_norm_menu =
1477                 fl_get_input(dialog_->input_popup_encoding);
1478         lyxrc.bind_file = fl_get_input(dialog_->input_bind_file);
1479         lyxrc.ui_file = fl_get_input(dialog_->input_ui_file);
1480         lyxrc.override_x_deadkeys =
1481                 fl_get_button(dialog_->check_override_x_dead_keys);
1482 }
1483
1484
1485 void FormPreferences::Interface::build()
1486 {
1487         dialog_.reset(parent_.build_interface());
1488
1489         fl_set_input_return(dialog_->input_popup_font, FL_RETURN_CHANGED);
1490         fl_set_input_return(dialog_->input_menu_font, FL_RETURN_CHANGED);
1491         fl_set_input_return(dialog_->input_popup_encoding, FL_RETURN_CHANGED);
1492         fl_set_input_return(dialog_->input_bind_file, FL_RETURN_CHANGED);
1493         fl_set_input_return(dialog_->input_ui_file, FL_RETURN_CHANGED);
1494
1495         // set up the feedback mechanism
1496         setPreHandler(dialog_->input_popup_font);
1497         setPreHandler(dialog_->input_menu_font);
1498         setPreHandler(dialog_->input_popup_encoding);
1499         setPreHandler(dialog_->input_bind_file);
1500         setPreHandler(dialog_->button_bind_file_browse);
1501         setPreHandler(dialog_->input_ui_file);
1502         setPreHandler(dialog_->button_ui_file_browse);
1503         setPreHandler(dialog_->check_override_x_dead_keys);
1504 }
1505
1506
1507 string const
1508 FormPreferences::Interface::feedback(FL_OBJECT const * const ob) const
1509 {
1510         string str;
1511
1512         if (ob == dialog_->input_popup_font)
1513                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_POPUP);
1514         else if (ob == dialog_->input_menu_font)
1515                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_MENU);
1516         else if (ob == dialog_->input_popup_encoding)
1517                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_ENCODING_MENU);
1518         else if (ob == dialog_->input_bind_file)
1519                 str = lyxrc.getDescription(LyXRC::RC_BINDFILE);
1520         else if (ob == dialog_->input_ui_file)
1521                 str = lyxrc.getDescription(LyXRC::RC_UIFILE);
1522         else if (ob == dialog_->check_override_x_dead_keys)
1523                 str = lyxrc.getDescription(LyXRC::RC_OVERRIDE_X_DEADKEYS);
1524
1525         return str;
1526 }
1527
1528
1529 bool FormPreferences::Interface::input(FL_OBJECT const * const ob)
1530 {
1531         if (ob == dialog_->button_bind_file_browse) {
1532                 string dir  = AddName(system_lyxdir, "bind");
1533                 string name = N_("Sys Bind");
1534                 pair<string,string> dir1(name, dir);
1535
1536                 dir = AddName(user_lyxdir, "bind");
1537                 name = N_("User Bind");
1538                 pair<string,string> dir2(name, dir);
1539
1540                 parent_.browse(dialog_->input_bind_file,
1541                                N_("Bind file"), "*.bind", dir1, dir2);
1542
1543         } else if (ob == dialog_->button_ui_file_browse) {
1544                 string dir  = AddName(system_lyxdir, "ui");
1545                 string name = N_("Sys UI");
1546                 pair<string,string> dir1(name, dir);
1547
1548                 dir = AddName(user_lyxdir, "ui");
1549                 name = N_("User UI");
1550                 pair<string,string> dir2(name, dir);
1551
1552                 parent_.browse(dialog_->input_ui_file,
1553                                N_("UI file"), "*.ui", dir1, dir2);
1554         }
1555
1556         return true;
1557 }
1558
1559
1560 void FormPreferences::Interface::update()
1561 {
1562         fl_set_input(dialog_->input_popup_font,
1563                      lyxrc.popup_font_name.c_str());
1564         fl_set_input(dialog_->input_menu_font,
1565                      lyxrc.menu_font_name.c_str());
1566         fl_set_input(dialog_->input_popup_encoding,
1567                      lyxrc.font_norm_menu.c_str());
1568         fl_set_input(dialog_->input_bind_file,
1569                      lyxrc.bind_file.c_str());
1570         fl_set_input(dialog_->input_ui_file,
1571                      lyxrc.ui_file.c_str());
1572         fl_set_button(dialog_->check_override_x_dead_keys,
1573                       lyxrc.override_x_deadkeys);
1574 }
1575
1576
1577 FormPreferences::Language::Language( FormPreferences &  p )
1578         : parent_(p)
1579 {}
1580
1581
1582 FD_form_language const * FormPreferences::Language::dialog()
1583 {
1584         return dialog_.get();
1585 }
1586
1587
1588 void FormPreferences::Language::apply()
1589 {
1590         lyxrc.default_language = combo_default_lang->getline();
1591
1592         int button = fl_get_button(dialog_->check_use_kbmap);
1593         string const name_1 = fl_get_input(dialog_->input_kbmap1);
1594         string const name_2 = fl_get_input(dialog_->input_kbmap2);
1595         if (button)
1596                 button = !(name_1.empty() && name_2.empty());
1597         lyxrc.use_kbmap = static_cast<bool>(button);
1598
1599         if (lyxrc.use_kbmap) {
1600                 lyxrc.primary_kbmap = name_1;
1601                 lyxrc.secondary_kbmap = name_2;
1602         }
1603
1604         button = fl_get_button(dialog_->check_rtl_support);
1605         lyxrc.rtl_support = static_cast<bool>(button);
1606
1607         button = fl_get_button(dialog_->check_mark_foreign);
1608         lyxrc.mark_foreign_language = static_cast<bool>(button);
1609
1610         button = fl_get_button(dialog_->check_auto_begin);
1611         lyxrc.language_auto_begin = static_cast<bool>(button);
1612
1613         button = fl_get_button(dialog_->check_auto_end);
1614         lyxrc.language_auto_end = static_cast<bool>(button);
1615
1616         button = fl_get_button(dialog_->check_use_babel);
1617         lyxrc.language_use_babel = static_cast<bool>(button);
1618
1619         button = fl_get_button(dialog_->check_global_options);
1620         lyxrc.language_global_options = static_cast<bool>(button);
1621
1622         lyxrc.language_package = fl_get_input(dialog_->input_package);
1623         lyxrc.language_command_begin = fl_get_input(dialog_->input_command_begin);
1624         lyxrc.language_command_end = fl_get_input(dialog_->input_command_end);
1625
1626         // Ensure that all is self-consistent.
1627         update();
1628 }
1629
1630
1631 void FormPreferences::Language::build()
1632 {
1633         dialog_.reset(parent_.build_language());
1634
1635         fl_set_input_return(dialog_->input_package, FL_RETURN_CHANGED);
1636         fl_set_input_return(dialog_->input_command_begin, FL_RETURN_CHANGED);
1637         fl_set_input_return(dialog_->input_command_end, FL_RETURN_CHANGED);
1638
1639         // The default_language is a combo-box and has to be inserted manually
1640         fl_freeze_form(dialog_->form);
1641         fl_addto_form(dialog_->form);
1642
1643         FL_OBJECT * obj = dialog_->choice_default_lang;
1644         fl_deactivate_object(dialog_->choice_default_lang);
1645         combo_default_lang.reset(new Combox(FL_COMBOX_DROPLIST));
1646         combo_default_lang->add(obj->x, obj->y, obj->w, obj->h, 400,
1647                                 parent_.lang_opts_tab_->tabfolder_outer,
1648                                 parent_.dialog_->tabfolder_prefs);
1649         combo_default_lang->shortcut("#L",1);
1650         combo_default_lang->setcallback(ComboCB, &parent_);
1651
1652         for (Languages::const_iterator cit = languages.begin();
1653             cit != languages.end(); ++cit) {
1654                 combo_default_lang->addto(cit->second.lang());
1655         }
1656
1657         fl_end_form();
1658         fl_unfreeze_form(dialog_->form);
1659
1660         // set up the feedback mechanism
1661         setPreHandler(dialog_->input_package);
1662         setPreHandler(dialog_->check_use_kbmap);
1663
1664         // This is safe, as nothing is done to the pointer, other than
1665         // to use its address in a block-if statement.
1666         // No it's not! Leads to crash.
1667         // setPreHandler(
1668         //              reinterpret_cast<FL_OBJECT *>(combo_default_lang),
1669         //              C_FormPreferencesFeedbackCB);
1670
1671         setPreHandler(dialog_->input_kbmap1);
1672         setPreHandler(dialog_->input_kbmap2);
1673         setPreHandler(dialog_->check_rtl_support);
1674         setPreHandler(dialog_->check_mark_foreign);
1675         setPreHandler(dialog_->check_auto_begin);
1676         setPreHandler(dialog_->check_auto_end);
1677         setPreHandler(dialog_->check_use_babel);
1678         setPreHandler(dialog_->check_global_options);
1679         setPreHandler(dialog_->input_command_begin);
1680         setPreHandler(dialog_->input_command_end);
1681
1682         // Activate/Deactivate the input fields dependent on the state of the
1683         // buttons.
1684         input(0);
1685 }
1686
1687
1688 string const
1689 FormPreferences::Language::feedback(FL_OBJECT const * const ob) const
1690 {
1691         string str;
1692
1693         if (reinterpret_cast<Combox const *>(ob) == combo_default_lang.get())
1694                 str = lyxrc.getDescription(LyXRC::RC_DEFAULT_LANGUAGE);
1695         else if (ob == dialog_->check_use_kbmap)
1696                 str = lyxrc.getDescription(LyXRC::RC_KBMAP);
1697         else if (ob == dialog_->input_kbmap1)
1698                 str = lyxrc.getDescription(LyXRC::RC_KBMAP_PRIMARY);
1699         else if (ob == dialog_->input_kbmap2)
1700                 str = lyxrc.getDescription(LyXRC::RC_KBMAP_SECONDARY);
1701         else if (ob == dialog_->check_rtl_support)
1702                 str = lyxrc.getDescription(LyXRC::RC_RTL_SUPPORT);
1703         else if (ob == dialog_->check_mark_foreign)
1704                 str = lyxrc.getDescription(LyXRC::RC_MARK_FOREIGN_LANGUAGE);
1705         else if (ob == dialog_->check_auto_begin)
1706                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_AUTO_BEGIN);
1707         else if (ob == dialog_->check_auto_end)
1708                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_AUTO_END);
1709         else if (ob == dialog_->check_use_babel)
1710                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_USE_BABEL);
1711         else if (ob == dialog_->check_global_options)
1712                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_GLOBAL_OPTIONS);
1713         else if (ob == dialog_->input_package)
1714                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_PACKAGE);
1715         else if (ob == dialog_->input_command_begin)
1716                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_COMMAND_BEGIN);
1717         else if (ob == dialog_->input_command_end)
1718                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_COMMAND_END);
1719
1720         return str;
1721 }
1722
1723
1724 bool FormPreferences::Language::input(FL_OBJECT const * const ob)
1725 {
1726         bool activate = true;
1727
1728         // !ob if function is called from Language::build() to de/activate
1729         // objects,
1730         // otherwise the function is called by an xforms CB via input().
1731         if (!ob || ob == dialog_->check_use_kbmap) {
1732                 bool const enable = fl_get_button(dialog_->check_use_kbmap);
1733                 setEnabled(dialog_->button_kbmap1_browse, enable);
1734                 setEnabled(dialog_->button_kbmap2_browse, enable);
1735                 setEnabled(dialog_->input_kbmap1, enable);
1736                 setEnabled(dialog_->input_kbmap2, enable);
1737         }
1738
1739         if (ob == dialog_->button_kbmap1_browse) {
1740                 string const dir  = AddName(system_lyxdir, "kbd");
1741                 string const name = N_("Key maps");
1742                 pair<string, string> dir1(name, dir);
1743
1744                 parent_.browse(dialog_->input_kbmap1,
1745                                N_("Keyboard map"), "*.kmap", dir1,
1746                                make_pair(string(), string()));
1747         } else if (ob == dialog_->button_kbmap2_browse) {
1748                 string const dir  = AddName(system_lyxdir, "kbd");
1749                 string const name = N_("Key maps");
1750                 pair<string, string> dir1(name, dir);
1751
1752                 parent_.browse(dialog_->input_kbmap2,
1753                                N_("Keyboard map"), "*.kmap", dir1,
1754                                make_pair(string(), string()));
1755         }
1756
1757         return activate;
1758 }
1759
1760
1761 void FormPreferences::Language::update()
1762 {
1763         fl_set_button(dialog_->check_use_kbmap,
1764                       lyxrc.use_kbmap);
1765
1766         combo_default_lang->select(lyxrc.default_language);
1767
1768         if (lyxrc.use_kbmap) {
1769                 fl_set_input(dialog_->input_kbmap1,
1770                              lyxrc.primary_kbmap.c_str());
1771                 fl_set_input(dialog_->input_kbmap2,
1772                              lyxrc.secondary_kbmap.c_str());
1773         } else {
1774                 fl_set_input(dialog_->input_kbmap1, "");
1775                 fl_set_input(dialog_->input_kbmap2, "");
1776         }
1777
1778         fl_set_button(dialog_->check_rtl_support, lyxrc.rtl_support);
1779         fl_set_button(dialog_->check_mark_foreign,
1780                       lyxrc.mark_foreign_language);
1781         fl_set_button(dialog_->check_auto_begin, lyxrc.language_auto_begin);
1782         fl_set_button(dialog_->check_auto_end, lyxrc.language_auto_end);
1783         fl_set_button(dialog_->check_use_babel, lyxrc.language_use_babel);
1784         fl_set_button(dialog_->check_global_options,
1785                       lyxrc.language_global_options);
1786
1787         fl_set_input(dialog_->input_package,
1788                      lyxrc.language_package.c_str());
1789         fl_set_input(dialog_->input_command_begin,
1790                      lyxrc.language_command_begin.c_str());
1791         fl_set_input(dialog_->input_command_end,
1792                      lyxrc.language_command_end.c_str());
1793
1794         // Activate/Deactivate the input fields dependent on the state of the
1795         // buttons.
1796         input(0);
1797 }
1798
1799
1800 void FormPreferences::Language::ComboCB(int, void * v, Combox * combox)
1801 {
1802     FormPreferences * pre = static_cast<FormPreferences*>(v);
1803     // This is safe, as nothing is done to the pointer, other than
1804     // to use its address in a block-if statement.
1805     pre->bc().valid(pre->input(reinterpret_cast<FL_OBJECT *>(combox), 0));
1806 }
1807
1808
1809 FormPreferences::LnFmisc::LnFmisc( FormPreferences &  p )
1810         : parent_(p)
1811 {}
1812
1813
1814 FD_form_lnf_misc const * FormPreferences::LnFmisc::dialog()
1815 {
1816         return dialog_.get();
1817 }
1818
1819
1820 void FormPreferences::LnFmisc::apply() const
1821 {
1822         lyxrc.show_banner = fl_get_button(dialog_->check_banner);
1823         lyxrc.auto_region_delete =
1824                 fl_get_button(dialog_->check_auto_region_delete);
1825         lyxrc.exit_confirmation = fl_get_button(dialog_->check_exit_confirm);
1826         lyxrc.display_shortcuts =
1827                 fl_get_button(dialog_->check_display_shrtcuts);
1828         lyxrc.new_ask_filename = fl_get_button(dialog_->check_ask_new_file);
1829         lyxrc.cursor_follows_scrollbar =
1830                 fl_get_button(dialog_->check_cursor_follows_scrollbar);
1831         lyxrc.dialogs_iconify_with_main =
1832                 fl_get_button(dialog_->check_dialogs_iconify_with_main);
1833         lyxrc.autosave = static_cast<unsigned int>
1834                 (fl_get_counter_value(dialog_->counter_autosave));
1835         lyxrc.wheel_jump = static_cast<unsigned int>
1836                 (fl_get_counter_value(dialog_->counter_wm_jump));
1837 }
1838
1839
1840 void FormPreferences::LnFmisc::build()
1841 {
1842         dialog_.reset(parent_.build_lnf_misc());
1843
1844         fl_set_counter_step(dialog_->counter_autosave, 1, 10);
1845         fl_set_counter_step(dialog_->counter_wm_jump, 1, 10);
1846
1847         fl_set_counter_return(dialog_->counter_autosave, FL_RETURN_CHANGED);
1848         fl_set_counter_return(dialog_->counter_wm_jump, FL_RETURN_CHANGED);
1849
1850         // set up the feedback mechanism
1851         setPreHandler(dialog_->check_banner);
1852         setPreHandler(dialog_->check_auto_region_delete);
1853         setPreHandler(dialog_->check_exit_confirm);
1854         setPreHandler(dialog_->check_display_shrtcuts);
1855         setPreHandler(dialog_->counter_autosave);
1856         setPreHandler(dialog_->check_ask_new_file);
1857         setPreHandler(dialog_->check_cursor_follows_scrollbar);
1858         setPreHandler(dialog_->check_dialogs_iconify_with_main);
1859         setPreHandler(dialog_->counter_wm_jump);
1860 }
1861
1862
1863 string const
1864 FormPreferences::LnFmisc::feedback(FL_OBJECT const * const ob) const
1865 {
1866         string str;
1867
1868         if (ob == dialog_->check_banner)
1869                 str = lyxrc.getDescription(LyXRC::RC_SHOW_BANNER);
1870         else if (ob == dialog_->check_auto_region_delete)
1871                 str = lyxrc.getDescription(LyXRC::RC_AUTOREGIONDELETE);
1872         else if (ob == dialog_->check_exit_confirm)
1873                 str = lyxrc.getDescription(LyXRC::RC_EXIT_CONFIRMATION);
1874         else if (ob == dialog_->check_display_shrtcuts)
1875                 str = lyxrc.getDescription(LyXRC::RC_DISPLAY_SHORTCUTS);
1876         else if (ob == dialog_->check_ask_new_file)
1877                 str = lyxrc.getDescription(LyXRC::RC_NEW_ASK_FILENAME);
1878         else if (ob == dialog_->check_cursor_follows_scrollbar)
1879                 str = lyxrc.getDescription(LyXRC::RC_CURSOR_FOLLOWS_SCROLLBAR);
1880         else if (ob == dialog_->check_dialogs_iconify_with_main)
1881                 str = lyxrc.getDescription(LyXRC::RC_DIALOGS_ICONIFY_WITH_MAIN);
1882         else if (ob == dialog_->counter_autosave)
1883                 str = lyxrc.getDescription(LyXRC::RC_AUTOSAVE);
1884         else if (ob == dialog_->counter_wm_jump)
1885                 str = lyxrc.getDescription(LyXRC::RC_WHEEL_JUMP);
1886
1887         return str;
1888 }
1889
1890
1891 void FormPreferences::LnFmisc::update()
1892 {
1893         fl_set_button(dialog_->check_banner, lyxrc.show_banner);
1894         fl_set_button(dialog_->check_auto_region_delete,
1895                       lyxrc.auto_region_delete);
1896         fl_set_button(dialog_->check_exit_confirm, lyxrc.exit_confirmation);
1897         fl_set_button(dialog_->check_display_shrtcuts, lyxrc.display_shortcuts);
1898         fl_set_button(dialog_->check_ask_new_file, lyxrc.new_ask_filename);
1899         fl_set_button(dialog_->check_cursor_follows_scrollbar,
1900                       lyxrc.cursor_follows_scrollbar);
1901         fl_set_button(dialog_->check_dialogs_iconify_with_main,
1902                       lyxrc.dialogs_iconify_with_main);
1903         fl_set_counter_value(dialog_->counter_autosave, lyxrc.autosave);
1904         fl_set_counter_value(dialog_->counter_wm_jump, lyxrc.wheel_jump);
1905 }
1906
1907
1908 FormPreferences::OutputsMisc::OutputsMisc( FormPreferences &  p )
1909         : parent_(p)
1910 {}
1911
1912
1913 FD_form_outputs_misc const * FormPreferences::OutputsMisc::dialog()
1914 {
1915         return dialog_.get();
1916 }
1917
1918
1919 void FormPreferences::OutputsMisc::apply() const
1920 {
1921         lyxrc.ascii_linelen = static_cast<unsigned int>
1922                 (fl_get_counter_value(dialog_->counter_line_len));
1923         lyxrc.fontenc = fl_get_input(dialog_->input_tex_encoding);
1924
1925         int const choice =
1926                 fl_get_choice(dialog_->choice_default_papersize) - 1;
1927         lyxrc.default_papersize = static_cast<BufferParams::PAPER_SIZE>(choice);
1928
1929         lyxrc.ascii_roff_command = fl_get_input(dialog_->input_ascii_roff);
1930         lyxrc.chktex_command = fl_get_input(dialog_->input_checktex);
1931         lyxrc.view_dvi_paper_option = fl_get_input(dialog_->input_paperoption);
1932 }
1933
1934
1935 void FormPreferences::OutputsMisc::build()
1936 {
1937         dialog_.reset(parent_.build_outputs_misc());
1938
1939         fl_set_counter_step(dialog_->counter_line_len, 1, 10);
1940
1941         fl_set_counter_return(dialog_->counter_line_len, FL_RETURN_CHANGED);
1942         fl_set_input_return(dialog_->input_tex_encoding, FL_RETURN_CHANGED);
1943         fl_set_input_return(dialog_->input_ascii_roff,   FL_RETURN_CHANGED);
1944         fl_set_input_return(dialog_->input_checktex,     FL_RETURN_CHANGED);
1945         fl_set_input_return(dialog_->input_paperoption,  FL_RETURN_CHANGED);
1946
1947         fl_addto_choice(dialog_->choice_default_papersize,
1948                         _(" default | US letter | legal | executive | A3 | A4 | A5 | B5 "));
1949
1950         // set up the feedback mechanism
1951         setPreHandler(dialog_->counter_line_len);
1952         setPreHandler(dialog_->input_tex_encoding);
1953         setPreHandler(dialog_->choice_default_papersize);
1954         setPreHandler(dialog_->input_ascii_roff);
1955         setPreHandler(dialog_->input_checktex);
1956         setPreHandler(dialog_->input_paperoption);
1957 }
1958
1959
1960 string const
1961 FormPreferences::OutputsMisc::feedback(FL_OBJECT const * const ob) const
1962 {
1963         string str;
1964
1965         if (ob == dialog_->counter_line_len)
1966                 str = lyxrc.getDescription(LyXRC::RC_ASCII_LINELEN);
1967         else if (ob == dialog_->input_tex_encoding)
1968                 str = lyxrc.getDescription(LyXRC::RC_FONT_ENCODING);
1969         else if (ob == dialog_->input_ascii_roff)
1970                 str = lyxrc.getDescription(LyXRC::RC_ASCIIROFF_COMMAND);
1971         else if (ob == dialog_->input_checktex)
1972                 str = lyxrc.getDescription(LyXRC::RC_CHKTEX_COMMAND);
1973         else if (ob == dialog_->choice_default_papersize)
1974                 str = lyxrc.getDescription(LyXRC::RC_DEFAULT_PAPERSIZE);
1975         else if (ob == dialog_->input_paperoption)
1976                 str = lyxrc.getDescription(LyXRC::RC_VIEWDVI_PAPEROPTION);
1977
1978         return str;
1979 }
1980
1981
1982 void FormPreferences::OutputsMisc::update()
1983 {
1984         fl_set_counter_value(dialog_->counter_line_len,
1985                              lyxrc.ascii_linelen);
1986         fl_set_input(dialog_->input_tex_encoding,
1987                      lyxrc.fontenc.c_str());
1988         fl_set_choice(dialog_->choice_default_papersize,
1989                       lyxrc.default_papersize+1);
1990         fl_set_input(dialog_->input_ascii_roff,
1991                      lyxrc.ascii_roff_command.c_str());
1992         fl_set_input(dialog_->input_checktex,
1993                      lyxrc.chktex_command.c_str());
1994         fl_set_input(dialog_->input_paperoption,
1995                      lyxrc.view_dvi_paper_option.c_str());
1996 }
1997
1998
1999 FormPreferences::Paths::Paths( FormPreferences &  p )
2000         : parent_(p)
2001 {}
2002
2003
2004 FD_form_paths const * FormPreferences::Paths::dialog()
2005 {
2006         return dialog_.get();
2007 }
2008
2009
2010 void FormPreferences::Paths::apply()
2011 {
2012         lyxrc.document_path = fl_get_input(dialog_->input_default_path);
2013         lyxrc.template_path = fl_get_input(dialog_->input_template_path);
2014
2015         int button = fl_get_button(dialog_->check_use_temp_dir);
2016         string str  = fl_get_input(dialog_->input_temp_dir);
2017         if (!button) str.erase();
2018
2019         lyxrc.use_tempdir = button;
2020         lyxrc.tempdir_path = str;
2021
2022         button = fl_get_button(dialog_->check_last_files);
2023         str = fl_get_input(dialog_->input_lastfiles);
2024         if (!button) str.erase();
2025
2026         lyxrc.check_lastfiles = button;
2027         lyxrc.lastfiles = str;
2028         lyxrc.num_lastfiles = static_cast<unsigned int>
2029                 (fl_get_counter_value(dialog_->counter_lastfiles));
2030
2031         button = fl_get_button(dialog_->check_make_backups);
2032         str = fl_get_input(dialog_->input_backup_path);
2033         if (!button) str.erase();
2034
2035         lyxrc.make_backup = button;
2036         lyxrc.backupdir_path = str;
2037
2038         lyxrc.lyxpipes = fl_get_input(dialog_->input_serverpipe);
2039
2040         // update view
2041         update();
2042 }
2043
2044
2045 void FormPreferences::Paths::build()
2046 {
2047         dialog_.reset(parent_.build_paths());
2048
2049         fl_set_input_return(dialog_->input_default_path, FL_RETURN_CHANGED);
2050         fl_set_input_return(dialog_->input_template_path, FL_RETURN_CHANGED);
2051         fl_set_input_return(dialog_->input_temp_dir, FL_RETURN_CHANGED);
2052         fl_set_input_return(dialog_->input_lastfiles, FL_RETURN_CHANGED);
2053         fl_set_input_return(dialog_->input_backup_path, FL_RETURN_CHANGED);
2054         fl_set_counter_return(dialog_->counter_lastfiles, FL_RETURN_CHANGED);
2055         fl_set_input_return(dialog_->input_serverpipe, FL_RETURN_CHANGED);
2056
2057         // set up the feedback mechanism
2058         setPreHandler(dialog_->input_default_path);
2059         setPreHandler(dialog_->counter_lastfiles);
2060         setPreHandler(dialog_->input_template_path);
2061         setPreHandler(dialog_->check_last_files);
2062         setPreHandler(dialog_->input_lastfiles);
2063         setPreHandler(dialog_->check_make_backups);
2064         setPreHandler(dialog_->input_backup_path);
2065         setPreHandler(dialog_->input_serverpipe);
2066         setPreHandler(dialog_->input_temp_dir);
2067         setPreHandler(dialog_->check_use_temp_dir);
2068 }
2069
2070
2071 string const
2072 FormPreferences::Paths::feedback(FL_OBJECT const * const ob) const
2073 {
2074         string str;
2075
2076         if (ob == dialog_->input_default_path)
2077                 str = lyxrc.getDescription(LyXRC::RC_DOCUMENTPATH);
2078         else if (ob == dialog_->input_template_path)
2079                 str = lyxrc.getDescription(LyXRC::RC_TEMPLATEPATH);
2080         else if (ob == dialog_->check_use_temp_dir)
2081                 str = lyxrc.getDescription(LyXRC::RC_USETEMPDIR);
2082         else if (ob == dialog_->input_temp_dir)
2083                 str = lyxrc.getDescription(LyXRC::RC_TEMPDIRPATH);
2084         else if (ob == dialog_->check_last_files)
2085                 str = lyxrc.getDescription(LyXRC::RC_CHECKLASTFILES);
2086         else if (ob == dialog_->input_lastfiles)
2087                 str = lyxrc.getDescription(LyXRC::RC_LASTFILES);
2088         else if (ob == dialog_->counter_lastfiles)
2089                 str = lyxrc.getDescription(LyXRC::RC_NUMLASTFILES);
2090         else if (ob == dialog_->check_make_backups)
2091                 str = lyxrc.getDescription(LyXRC::RC_MAKE_BACKUP);
2092         else if (ob == dialog_->input_backup_path)
2093                 str = lyxrc.getDescription(LyXRC::RC_BACKUPDIR_PATH);
2094         else if (ob == dialog_->input_serverpipe) {
2095                 str = lyxrc.getDescription(LyXRC::RC_SERVERPIPE);
2096         }
2097
2098         return str;
2099 }
2100
2101
2102 bool FormPreferences::Paths::input(FL_OBJECT const * const ob)
2103 {
2104         bool activate = true;
2105
2106         // !ob if function is called from Paths::update() to de/activate
2107         // objects,
2108         // otherwise the function is called by an xforms CB via input().
2109         if (!ob || ob == dialog_->check_use_temp_dir) {
2110                 bool const enable = fl_get_button(dialog_->check_use_temp_dir);
2111                 setEnabled(dialog_->input_temp_dir, enable);
2112         }
2113
2114         if (!ob || ob == dialog_->check_last_files) {
2115                 bool const enable = fl_get_button(dialog_->check_last_files);
2116                 setEnabled(dialog_->input_lastfiles, enable);
2117         }
2118
2119         if (!ob || ob == dialog_->check_make_backups) {
2120                 bool const enable = fl_get_button(dialog_->check_make_backups);
2121                 setEnabled(dialog_->input_backup_path, enable);
2122         }
2123
2124         if (!ob || ob == dialog_->input_default_path) {
2125                 string const name = fl_get_input(dialog_->input_default_path);
2126                 if (!RWInfo::WriteableDir(name)) {
2127                         parent_.printWarning(RWInfo::ErrorMessage());
2128                         return false;
2129                 }
2130         }
2131
2132         if (!ob || ob == dialog_->input_template_path) {
2133                 string const name = fl_get_input(dialog_->input_template_path);
2134                 if (!RWInfo::ReadableDir(name)) {
2135                         parent_.printWarning(RWInfo::ErrorMessage());
2136                         return false;
2137                 }
2138         }
2139
2140         if (!ob || ob == dialog_->input_temp_dir) {
2141                 string const name = fl_get_input(dialog_->input_temp_dir);
2142                 if (fl_get_button(dialog_->check_make_backups)
2143                     && !name.empty()
2144                     && !RWInfo::WriteableDir(name)) {
2145                         parent_.printWarning(RWInfo::ErrorMessage());
2146                         return false;
2147                 }
2148         }
2149
2150         if (!ob || ob == dialog_->input_backup_path) {
2151                 string const name = fl_get_input(dialog_->input_backup_path);
2152                 if (fl_get_button(dialog_->check_make_backups)
2153                     && !name.empty()
2154                     && !RWInfo::WriteableDir(name)) {
2155                         parent_.printWarning(RWInfo::ErrorMessage());
2156                         return false;
2157                 }
2158         }
2159
2160         if (!ob || ob == dialog_->input_lastfiles) {
2161                 string const name = fl_get_input(dialog_->input_lastfiles);
2162                 if (fl_get_button(dialog_->check_last_files)
2163                     && !name.empty()
2164                     && !RWInfo::WriteableFile(name)) {
2165                         parent_.printWarning(RWInfo::ErrorMessage());
2166                         return false;
2167                 }
2168         }
2169
2170         if (!ob || ob == dialog_->input_serverpipe) {
2171                 string const name = fl_get_input(dialog_->input_serverpipe);
2172                 if (!name.empty()) {
2173                         // strip off the extension
2174                         string const str = ChangeExtension(name, "");
2175                         if (!RWInfo::WriteableFile(str + ".in")) {
2176                                 parent_.printWarning(RWInfo::ErrorMessage());
2177                                 return false;
2178                         }
2179                         if (!RWInfo::WriteableFile(str + ".out")) {
2180                                 parent_.printWarning(RWInfo::ErrorMessage());
2181                                 return false;
2182                         }
2183                 }
2184         }
2185
2186         if (ob == dialog_->button_default_path_browse) {
2187                 parent_.browse(dialog_->input_default_path,
2188                                N_("Default path"), string(),
2189                                make_pair(string(), string()),
2190                                make_pair(string(), string()));
2191         } else if (ob == dialog_->button_template_path_browse) {
2192                 parent_.browse(dialog_->input_template_path,
2193                                N_("Template path"), string(),
2194                                make_pair(string(), string()),
2195                                make_pair(string(), string()));
2196         } else if (ob == dialog_->button_temp_dir_browse) {
2197                 parent_.browse(dialog_->input_temp_dir,
2198                                N_("Temp dir"), string(),
2199                                make_pair(string(), string()),
2200                                make_pair(string(), string()));
2201         } else if (ob == dialog_->button_lastfiles_browse) {
2202                 pair<string, string> dir(_("User"), user_lyxdir);
2203
2204                 parent_.browse(dialog_->input_lastfiles,
2205                                N_("Lastfiles"), string(), dir,
2206                                make_pair(string(), string()));
2207         } else if (ob == dialog_->button_backup_path_browse) {
2208                 parent_.browse(dialog_->input_backup_path,
2209                                N_("Backup path"), string(),
2210                                make_pair(string(), string()),
2211                                make_pair(string(), string()));
2212         } else if (ob == dialog_->button_serverpipe_browse) {
2213                 parent_.browse(dialog_->input_serverpipe,
2214                                N_("LyX Server pipes"), string(),
2215                                make_pair(string(), string()),
2216                                make_pair(string(), string()));
2217         }
2218
2219         return activate;
2220 }
2221
2222
2223 void FormPreferences::Paths::update()
2224 {
2225         fl_set_input(dialog_->input_default_path,
2226                      lyxrc.document_path.c_str());
2227         fl_set_input(dialog_->input_template_path,
2228                      lyxrc.template_path.c_str());
2229
2230         string str;
2231         if (lyxrc.make_backup) str = lyxrc.backupdir_path;
2232
2233         fl_set_button(dialog_->check_make_backups,
2234                       lyxrc.make_backup);
2235         fl_set_input(dialog_->input_backup_path, str.c_str());
2236
2237         str.erase();
2238         if (lyxrc.use_tempdir) str = lyxrc.tempdir_path;
2239
2240         fl_set_button(dialog_->check_use_temp_dir,
2241                       lyxrc.use_tempdir);
2242         fl_set_input(dialog_->input_temp_dir, str.c_str());
2243
2244         str.erase();
2245         if (lyxrc.check_lastfiles) str = lyxrc.lastfiles;
2246
2247         fl_set_button(dialog_->check_last_files,
2248                       lyxrc.check_lastfiles);
2249         fl_set_input(dialog_->input_lastfiles, str.c_str());
2250         fl_set_counter_value(dialog_->counter_lastfiles,
2251                              lyxrc.num_lastfiles);
2252
2253         fl_set_input(dialog_->input_serverpipe, lyxrc.lyxpipes.c_str());
2254
2255         // Activate/Deactivate the input fields dependent on the state of the
2256         // buttons.
2257         input(0);
2258 }
2259
2260
2261 FormPreferences::Printer::Printer(FormPreferences &  p)
2262         : parent_(p)
2263 {}
2264
2265
2266 FD_form_printer const * FormPreferences::Printer::dialog()
2267 {
2268         return dialog_.get();
2269 }
2270
2271
2272 void FormPreferences::Printer::apply() const
2273 {
2274         lyxrc.print_adapt_output = fl_get_button(dialog_->check_adapt_output);
2275         lyxrc.print_command = fl_get_input(dialog_->input_command);
2276         lyxrc.print_pagerange_flag = fl_get_input(dialog_->input_page_range);
2277         lyxrc.print_copies_flag = fl_get_input(dialog_->input_copies);
2278         lyxrc.print_reverse_flag = fl_get_input(dialog_->input_reverse);
2279         lyxrc.print_to_printer = fl_get_input(dialog_->input_to_printer);
2280         lyxrc.print_file_extension =
2281                 fl_get_input(dialog_->input_file_extension);
2282         lyxrc.print_spool_command =
2283                 fl_get_input(dialog_->input_spool_command);
2284         lyxrc.print_paper_flag = fl_get_input(dialog_->input_paper_type);
2285         lyxrc.print_evenpage_flag = fl_get_input(dialog_->input_even_pages);
2286         lyxrc.print_oddpage_flag = fl_get_input(dialog_->input_odd_pages);
2287         lyxrc.print_collcopies_flag = fl_get_input(dialog_->input_collated);
2288         lyxrc.print_landscape_flag = fl_get_input(dialog_->input_landscape);
2289         lyxrc.print_to_file = fl_get_input(dialog_->input_to_file);
2290         lyxrc.print_extra_options =
2291                 fl_get_input(dialog_->input_extra_options);
2292         lyxrc.print_spool_printerprefix =
2293                 fl_get_input(dialog_->input_spool_prefix);
2294         lyxrc.print_paper_dimension_flag =
2295                 fl_get_input(dialog_->input_paper_size);
2296         lyxrc.printer = fl_get_input(dialog_->input_name);
2297 }
2298
2299
2300 string const
2301 FormPreferences::Printer::feedback(FL_OBJECT const * const ob) const
2302 {
2303         string str;
2304
2305         if (ob == dialog_->input_command)
2306                 str = lyxrc.getDescription(LyXRC::RC_PRINT_COMMAND);
2307         else if (ob == dialog_->check_adapt_output)
2308                 str = lyxrc.getDescription(LyXRC::RC_PRINT_ADAPTOUTPUT);
2309         else if (ob == dialog_->input_to_printer)
2310                 str = lyxrc.getDescription(LyXRC::RC_PRINTTOPRINTER);
2311         else if (ob == dialog_->input_to_file)
2312                 str = lyxrc.getDescription(LyXRC::RC_PRINTTOFILE);
2313         else if (ob == dialog_->input_file_extension)
2314                 str = lyxrc.getDescription(LyXRC::RC_PRINTFILEEXTENSION);
2315         else if (ob == dialog_->input_extra_options)
2316                 str = lyxrc.getDescription(LyXRC::RC_PRINTEXSTRAOPTIONS);
2317         else if (ob == dialog_->input_spool_command)
2318                 str = lyxrc.getDescription(LyXRC::RC_PRINTSPOOL_COMMAND);
2319         else if (ob == dialog_->input_spool_prefix)
2320                 str = lyxrc.getDescription(LyXRC::RC_PRINTSPOOL_PRINTERPREFIX);
2321         else if (ob == dialog_->input_name)
2322                 str = lyxrc.getDescription(LyXRC::RC_PRINTER);
2323         else if (ob == dialog_->input_even_pages)
2324                 str = lyxrc.getDescription(LyXRC::RC_PRINTEVENPAGEFLAG);
2325         else if (ob == dialog_->input_odd_pages)
2326                 str = lyxrc.getDescription(LyXRC::RC_PRINTODDPAGEFLAG);
2327         else if (ob == dialog_->input_page_range)
2328                 str = lyxrc.getDescription(LyXRC::RC_PRINTPAGERANGEFLAG);
2329         else if (ob == dialog_->input_reverse)
2330                 str = lyxrc.getDescription(LyXRC::RC_PRINTREVERSEFLAG);
2331         else if (ob == dialog_->input_landscape)
2332                 str = lyxrc.getDescription(LyXRC::RC_PRINTLANDSCAPEFLAG);
2333         else if (ob == dialog_->input_copies)
2334                 str = lyxrc.getDescription(LyXRC::RC_PRINTCOPIESFLAG);
2335         else if (ob == dialog_->input_collated)
2336                 str = lyxrc.getDescription(LyXRC::RC_PRINTCOLLCOPIESFLAG);
2337         else if (ob == dialog_->input_paper_type)
2338                 str = lyxrc.getDescription(LyXRC::RC_PRINTPAPERFLAG);
2339         else if (ob == dialog_->input_paper_size)
2340                 str = lyxrc.getDescription(LyXRC::RC_PRINTPAPERDIMENSIONFLAG);
2341
2342         return str;
2343 }
2344
2345
2346 void FormPreferences::Printer::build()
2347 {
2348         dialog_.reset(parent_.build_printer());
2349
2350         fl_set_input_return(dialog_->input_command, FL_RETURN_CHANGED);
2351         fl_set_input_return(dialog_->input_page_range, FL_RETURN_CHANGED);
2352         fl_set_input_return(dialog_->input_copies, FL_RETURN_CHANGED);
2353         fl_set_input_return(dialog_->input_reverse, FL_RETURN_CHANGED);
2354         fl_set_input_return(dialog_->input_to_printer, FL_RETURN_CHANGED);
2355         fl_set_input_return(dialog_->input_file_extension, FL_RETURN_CHANGED);
2356         fl_set_input_return(dialog_->input_spool_command, FL_RETURN_CHANGED);
2357         fl_set_input_return(dialog_->input_paper_type, FL_RETURN_CHANGED);
2358         fl_set_input_return(dialog_->input_even_pages, FL_RETURN_CHANGED);
2359         fl_set_input_return(dialog_->input_odd_pages, FL_RETURN_CHANGED);
2360         fl_set_input_return(dialog_->input_collated, FL_RETURN_CHANGED);
2361         fl_set_input_return(dialog_->input_landscape, FL_RETURN_CHANGED);
2362         fl_set_input_return(dialog_->input_to_file, FL_RETURN_CHANGED);
2363         fl_set_input_return(dialog_->input_extra_options, FL_RETURN_CHANGED);
2364         fl_set_input_return(dialog_->input_spool_prefix, FL_RETURN_CHANGED);
2365         fl_set_input_return(dialog_->input_paper_size, FL_RETURN_CHANGED);
2366         fl_set_input_return(dialog_->input_name, FL_RETURN_CHANGED);
2367
2368         // set up the feedback mechanism
2369         setPreHandler(dialog_->input_command);
2370         setPreHandler(dialog_->input_page_range);
2371         setPreHandler(dialog_->input_copies);
2372         setPreHandler(dialog_->input_reverse);
2373         setPreHandler(dialog_->input_to_printer);
2374         setPreHandler(dialog_->input_file_extension);
2375         setPreHandler(dialog_->input_spool_command);
2376         setPreHandler(dialog_->input_paper_type);
2377         setPreHandler(dialog_->input_even_pages);
2378         setPreHandler(dialog_->input_odd_pages);
2379         setPreHandler(dialog_->input_collated);
2380         setPreHandler(dialog_->input_landscape);
2381         setPreHandler(dialog_->input_to_file);
2382         setPreHandler(dialog_->input_extra_options);
2383         setPreHandler(dialog_->input_spool_prefix);
2384         setPreHandler(dialog_->input_paper_size);
2385         setPreHandler(dialog_->input_name);
2386         setPreHandler(dialog_->check_adapt_output);
2387 }
2388
2389
2390 void FormPreferences::Printer::update()
2391 {
2392         fl_set_button(dialog_->check_adapt_output,
2393                       lyxrc.print_adapt_output);
2394         fl_set_input(dialog_->input_command,
2395                      lyxrc.print_command.c_str());
2396         fl_set_input(dialog_->input_page_range,
2397                      lyxrc.print_pagerange_flag.c_str());
2398         fl_set_input(dialog_->input_copies,
2399                      lyxrc.print_copies_flag.c_str());
2400         fl_set_input(dialog_->input_reverse,
2401                      lyxrc.print_reverse_flag.c_str());
2402         fl_set_input(dialog_->input_to_printer,
2403                      lyxrc.print_to_printer.c_str());
2404         fl_set_input(dialog_->input_file_extension,
2405                      lyxrc.print_file_extension.c_str());
2406         fl_set_input(dialog_->input_spool_command,
2407                      lyxrc.print_spool_command.c_str());
2408         fl_set_input(dialog_->input_paper_type,
2409                      lyxrc.print_paper_flag.c_str());
2410         fl_set_input(dialog_->input_even_pages,
2411                      lyxrc.print_evenpage_flag.c_str());
2412         fl_set_input(dialog_->input_odd_pages,
2413                      lyxrc.print_oddpage_flag.c_str());
2414         fl_set_input(dialog_->input_collated,
2415                      lyxrc.print_collcopies_flag.c_str());
2416         fl_set_input(dialog_->input_landscape,
2417                      lyxrc.print_landscape_flag.c_str());
2418         fl_set_input(dialog_->input_to_file,
2419                      lyxrc.print_to_file.c_str());
2420         fl_set_input(dialog_->input_extra_options,
2421                      lyxrc.print_extra_options.c_str());
2422         fl_set_input(dialog_->input_spool_prefix,
2423                      lyxrc.print_spool_printerprefix.c_str());
2424         fl_set_input(dialog_->input_paper_size,
2425                      lyxrc.print_paper_dimension_flag.c_str());
2426         fl_set_input(dialog_->input_name,
2427                      lyxrc.printer.c_str());
2428 }
2429
2430
2431 FormPreferences::ScreenFonts::ScreenFonts( FormPreferences &  p )
2432         : parent_(p)
2433 {}
2434
2435
2436 FD_form_screen_fonts const * FormPreferences::ScreenFonts::dialog()
2437 {
2438         return dialog_.get();
2439 }
2440
2441
2442 void FormPreferences::ScreenFonts::apply() const
2443 {
2444         bool changed = false;
2445
2446         string str = fl_get_input(dialog_->input_roman);
2447         if (lyxrc.roman_font_name != str) {
2448                 changed = true;
2449                 lyxrc.roman_font_name = str;
2450         }
2451
2452         str = fl_get_input(dialog_->input_sans);
2453         if (lyxrc.sans_font_name != str) {
2454                 changed = true;
2455                 lyxrc.sans_font_name = str;
2456         }
2457
2458         str = fl_get_input(dialog_->input_typewriter);
2459         if (lyxrc.typewriter_font_name != str) {
2460                 changed = true;
2461                 lyxrc.typewriter_font_name = str;
2462         }
2463
2464         str = fl_get_input(dialog_->input_screen_encoding);
2465         if (lyxrc.font_norm != str) {
2466                 changed = true;
2467                 lyxrc.font_norm = str;
2468         }
2469
2470         bool button = fl_get_button(dialog_->check_scalable);
2471         if (lyxrc.use_scalable_fonts != button) {
2472                 changed = true;
2473                 lyxrc.use_scalable_fonts = button;
2474         }
2475
2476         unsigned int ivalue = static_cast<unsigned int>
2477                 (fl_get_counter_value(dialog_->counter_zoom));
2478         if (lyxrc.zoom != ivalue) {
2479                 changed = true;
2480                 lyxrc.zoom = ivalue;
2481         }
2482
2483         ivalue = static_cast<unsigned int>
2484                 (fl_get_counter_value(dialog_->counter_dpi));
2485         if (lyxrc.dpi != ivalue) {
2486                 changed = true;
2487                 lyxrc.dpi = ivalue;
2488         }
2489
2490         double dvalue = strToDbl(fl_get_input(dialog_->input_tiny));
2491         if (lyxrc.font_sizes[LyXFont::SIZE_TINY] != dvalue) {
2492                 changed = true;
2493                 lyxrc.font_sizes[LyXFont::SIZE_TINY] = dvalue;
2494         }
2495
2496         dvalue = strToDbl(fl_get_input(dialog_->input_script));
2497         if (lyxrc.font_sizes[LyXFont::SIZE_SCRIPT] != dvalue) {
2498                 changed = true;
2499                 lyxrc.font_sizes[LyXFont::SIZE_SCRIPT] = dvalue;
2500         }
2501
2502         dvalue = strToDbl(fl_get_input(dialog_->input_footnote));
2503         if (lyxrc.font_sizes[LyXFont::SIZE_FOOTNOTE] != dvalue) {
2504                 changed = true;
2505                 lyxrc.font_sizes[LyXFont::SIZE_FOOTNOTE] = dvalue;
2506         }
2507
2508         dvalue = strToDbl(fl_get_input(dialog_->input_small));
2509         if (lyxrc.font_sizes[LyXFont::SIZE_SMALL] != dvalue) {
2510                 changed = true;
2511                 lyxrc.font_sizes[LyXFont::SIZE_SMALL] = dvalue;
2512         }
2513
2514         dvalue = strToDbl(fl_get_input(dialog_->input_normal));
2515         if (lyxrc.font_sizes[LyXFont::SIZE_NORMAL] != dvalue) {
2516                 changed = true;
2517                 lyxrc.font_sizes[LyXFont::SIZE_NORMAL] = dvalue;
2518         }
2519
2520         dvalue = strToDbl(fl_get_input(dialog_->input_large));
2521         if (lyxrc.font_sizes[LyXFont::SIZE_LARGE] != dvalue) {
2522                 changed = true;
2523                 lyxrc.font_sizes[LyXFont::SIZE_LARGE] = dvalue;
2524         }
2525
2526         dvalue = strToDbl(fl_get_input(dialog_->input_larger));
2527         if (lyxrc.font_sizes[LyXFont::SIZE_LARGER] != dvalue) {
2528                 changed = true;
2529                 lyxrc.font_sizes[LyXFont::SIZE_LARGER] = dvalue;
2530         }
2531
2532         dvalue = strToDbl(fl_get_input(dialog_->input_largest));
2533         if (lyxrc.font_sizes[LyXFont::SIZE_LARGEST] != dvalue) {
2534                 changed = true;
2535                 lyxrc.font_sizes[LyXFont::SIZE_LARGEST] = dvalue;
2536         }
2537
2538         dvalue = strToDbl(fl_get_input(dialog_->input_huge));
2539         if (lyxrc.font_sizes[LyXFont::SIZE_HUGE] != dvalue) {
2540                 changed = true;
2541                 lyxrc.font_sizes[LyXFont::SIZE_HUGE] = dvalue;
2542         }
2543
2544         dvalue = strToDbl(fl_get_input(dialog_->input_huger));
2545         if (lyxrc.font_sizes[LyXFont::SIZE_HUGER] != dvalue) {
2546                 changed = true;
2547                 lyxrc.font_sizes[LyXFont::SIZE_HUGER] = dvalue;
2548         }
2549
2550         if (changed) {
2551                 // Now update the buffers
2552                 // Can anything below here affect the redraw process?
2553                 parent_.lv_->getLyXFunc()->dispatch(LFUN_SCREEN_FONT_UPDATE);
2554         }
2555 }
2556
2557
2558 void FormPreferences::ScreenFonts::build()
2559 {
2560         dialog_.reset(parent_.build_screen_fonts());
2561
2562         fl_set_counter_step(dialog_->counter_zoom, 1, 10);
2563         fl_set_counter_step(dialog_->counter_dpi,  1, 10);
2564
2565         fl_set_input_return(dialog_->input_roman,           FL_RETURN_CHANGED);
2566         fl_set_input_return(dialog_->input_sans,            FL_RETURN_CHANGED);
2567         fl_set_input_return(dialog_->input_typewriter,      FL_RETURN_CHANGED);
2568         fl_set_input_return(dialog_->input_screen_encoding, FL_RETURN_CHANGED);
2569         fl_set_counter_return(dialog_->counter_zoom,        FL_RETURN_CHANGED);
2570         fl_set_counter_return(dialog_->counter_dpi,         FL_RETURN_CHANGED);
2571         fl_set_input_return(dialog_->input_tiny,            FL_RETURN_CHANGED);
2572         fl_set_input_return(dialog_->input_script,          FL_RETURN_CHANGED);
2573         fl_set_input_return(dialog_->input_footnote,        FL_RETURN_CHANGED);
2574         fl_set_input_return(dialog_->input_small,           FL_RETURN_CHANGED);
2575         fl_set_input_return(dialog_->input_normal,          FL_RETURN_CHANGED);
2576         fl_set_input_return(dialog_->input_large,           FL_RETURN_CHANGED);
2577         fl_set_input_return(dialog_->input_larger,          FL_RETURN_CHANGED);
2578         fl_set_input_return(dialog_->input_largest,         FL_RETURN_CHANGED);
2579         fl_set_input_return(dialog_->input_huge,            FL_RETURN_CHANGED);
2580         fl_set_input_return(dialog_->input_huger,           FL_RETURN_CHANGED);
2581
2582         fl_set_input_filter(dialog_->input_tiny,     fl_unsigned_float_filter);
2583         fl_set_input_filter(dialog_->input_script,   fl_unsigned_float_filter);
2584         fl_set_input_filter(dialog_->input_footnote, fl_unsigned_float_filter);
2585         fl_set_input_filter(dialog_->input_small,    fl_unsigned_float_filter);
2586         fl_set_input_filter(dialog_->input_normal,   fl_unsigned_float_filter);
2587         fl_set_input_filter(dialog_->input_large,    fl_unsigned_float_filter);
2588         fl_set_input_filter(dialog_->input_larger,   fl_unsigned_float_filter);
2589         fl_set_input_filter(dialog_->input_largest,  fl_unsigned_float_filter);
2590         fl_set_input_filter(dialog_->input_huge,     fl_unsigned_float_filter);
2591         fl_set_input_filter(dialog_->input_huger,    fl_unsigned_float_filter);
2592
2593         // set up the feedback mechanism
2594         setPreHandler(dialog_->input_roman);
2595         setPreHandler(dialog_->input_sans);
2596         setPreHandler(dialog_->input_typewriter);
2597         setPreHandler(dialog_->counter_zoom);
2598         setPreHandler(dialog_->counter_dpi);
2599         setPreHandler(dialog_->check_scalable);
2600         setPreHandler(dialog_->input_screen_encoding);
2601         setPreHandler(dialog_->input_tiny);
2602         setPreHandler(dialog_->input_script);
2603         setPreHandler(dialog_->input_footnote);
2604         setPreHandler(dialog_->input_small);
2605         setPreHandler(dialog_->input_large);
2606         setPreHandler(dialog_->input_larger);
2607         setPreHandler(dialog_->input_largest);
2608         setPreHandler(dialog_->input_normal);
2609         setPreHandler(dialog_->input_huge);
2610         setPreHandler(dialog_->input_huger);
2611 }
2612
2613
2614 string const
2615 FormPreferences::ScreenFonts::feedback(FL_OBJECT const * const ob) const
2616 {
2617         string str;
2618
2619         if (ob == dialog_->input_roman)
2620                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_ROMAN);
2621         else if (ob == dialog_->input_sans)
2622                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_SANS);
2623         else if (ob == dialog_->input_typewriter)
2624                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_TYPEWRITER);
2625         else if (ob == dialog_->check_scalable)
2626                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_SCALABLE);
2627         else if (ob == dialog_->input_screen_encoding)
2628                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_ENCODING);
2629         else if (ob == dialog_->counter_zoom)
2630                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_ZOOM);
2631         else if (ob == dialog_->counter_dpi)
2632                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_DPI);
2633         else if (ob == dialog_->input_tiny
2634                  || ob == dialog_->input_script
2635                  || ob == dialog_->input_footnote
2636                  || ob == dialog_->input_small
2637                  || ob == dialog_->input_large
2638                  || ob == dialog_->input_larger
2639                  || ob == dialog_->input_larger
2640                  || ob == dialog_->input_largest
2641                  || ob == dialog_->input_normal
2642                  || ob == dialog_->input_huge
2643                  || ob == dialog_->input_huger)
2644                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_SIZES);
2645
2646         return str;
2647 }
2648
2649
2650 bool FormPreferences::ScreenFonts::input()
2651 {
2652         bool activate = true;
2653         string str;
2654
2655         // Make sure that all fonts all have positive entries
2656         // Also note that an empty entry is returned as 0.0 by strToDbl
2657         if (0.0 >= strToDbl(fl_get_input(dialog_->input_tiny))
2658             || 0.0 >= strToDbl(fl_get_input(dialog_->input_script))
2659             || 0.0 >= strToDbl(fl_get_input(dialog_->input_footnote))
2660             || 0.0 >= strToDbl(fl_get_input(dialog_->input_small))
2661             || 0.0 >= strToDbl(fl_get_input(dialog_->input_normal))
2662             || 0.0 >= strToDbl(fl_get_input(dialog_->input_large))
2663             || 0.0 >= strToDbl(fl_get_input(dialog_->input_larger))
2664             || 0.0 >= strToDbl(fl_get_input(dialog_->input_largest))
2665             || 0.0 >= strToDbl(fl_get_input(dialog_->input_huge))
2666             || 0.0 >= strToDbl(fl_get_input(dialog_->input_huger))) {
2667                 activate = false;
2668                 str = N_("Fonts must be positive!");
2669
2670         // Fontsizes -- tiny < script < footnote etc.
2671         } else if (strToDbl(fl_get_input(dialog_->input_tiny)) >
2672                    strToDbl(fl_get_input(dialog_->input_script)) ||
2673                    strToDbl(fl_get_input(dialog_->input_script)) >
2674                    strToDbl(fl_get_input(dialog_->input_footnote)) ||
2675                    strToDbl(fl_get_input(dialog_->input_footnote)) >
2676                    strToDbl(fl_get_input(dialog_->input_small)) ||
2677                    strToDbl(fl_get_input(dialog_->input_small)) >
2678                    strToDbl(fl_get_input(dialog_->input_normal)) ||
2679                    strToDbl(fl_get_input(dialog_->input_normal)) >
2680                    strToDbl(fl_get_input(dialog_->input_large)) ||
2681                    strToDbl(fl_get_input(dialog_->input_large)) >
2682                    strToDbl(fl_get_input(dialog_->input_larger)) ||
2683                    strToDbl(fl_get_input(dialog_->input_larger)) >
2684                    strToDbl(fl_get_input(dialog_->input_largest)) ||
2685                    strToDbl(fl_get_input(dialog_->input_largest)) >
2686                    strToDbl(fl_get_input(dialog_->input_huge)) ||
2687                    strToDbl(fl_get_input(dialog_->input_huge)) >
2688                    strToDbl(fl_get_input(dialog_->input_huger))) {
2689                 activate = false;
2690
2691                 str = N_("Fonts must be input in the order tiny > script> footnote > small > normal > large > larger > largest > huge > huger.");
2692         }
2693
2694         if (!activate)
2695                 parent_.printWarning(str);
2696
2697         return activate;
2698 }
2699
2700
2701 void FormPreferences::ScreenFonts::update()
2702 {
2703         fl_set_input(dialog_->input_roman,
2704                      lyxrc.roman_font_name.c_str());
2705         fl_set_input(dialog_->input_sans,
2706                      lyxrc.sans_font_name.c_str());
2707         fl_set_input(dialog_->input_typewriter,
2708                      lyxrc.typewriter_font_name.c_str());
2709         fl_set_input(dialog_->input_screen_encoding,
2710                      lyxrc.font_norm.c_str());
2711         fl_set_button(dialog_->check_scalable,
2712                       lyxrc.use_scalable_fonts);
2713         fl_set_counter_value(dialog_->counter_zoom, lyxrc.zoom);
2714         fl_set_counter_value(dialog_->counter_dpi,  lyxrc.dpi);
2715         fl_set_input(dialog_->input_tiny,
2716                      tostr(lyxrc.font_sizes[LyXFont::SIZE_TINY]).c_str());
2717         fl_set_input(dialog_->input_script,
2718                      tostr(lyxrc.font_sizes[LyXFont::SIZE_SCRIPT]).c_str());
2719         fl_set_input(dialog_->input_footnote,
2720                      tostr(lyxrc.font_sizes[LyXFont::SIZE_FOOTNOTE]).c_str());
2721         fl_set_input(dialog_->input_small,
2722                      tostr(lyxrc.font_sizes[LyXFont::SIZE_SMALL]).c_str());
2723         fl_set_input(dialog_->input_normal,
2724                      tostr(lyxrc.font_sizes[LyXFont::SIZE_NORMAL]).c_str());
2725         fl_set_input(dialog_->input_large,
2726                      tostr(lyxrc.font_sizes[LyXFont::SIZE_LARGE]).c_str());
2727         fl_set_input(dialog_->input_larger,
2728                      tostr(lyxrc.font_sizes[LyXFont::SIZE_LARGER]).c_str());
2729         fl_set_input(dialog_->input_largest,
2730                      tostr(lyxrc.font_sizes[LyXFont::SIZE_LARGEST]).c_str());
2731         fl_set_input(dialog_->input_huge,
2732                      tostr(lyxrc.font_sizes[LyXFont::SIZE_HUGE]).c_str());
2733         fl_set_input(dialog_->input_huger,
2734                      tostr(lyxrc.font_sizes[LyXFont::SIZE_HUGER]).c_str());
2735 }
2736
2737
2738
2739 FormPreferences::SpellOptions::SpellOptions( FormPreferences &  p )
2740         : parent_(p)
2741 {}
2742
2743
2744 FD_form_spelloptions const * FormPreferences::SpellOptions::dialog()
2745 {
2746         return dialog_.get();
2747 }
2748
2749
2750 void FormPreferences::SpellOptions::apply()
2751 {
2752
2753         string choice = fl_get_choice_text(dialog_->choice_spell_command);
2754         choice = strip(frontStrip(choice));
2755
2756         lyxrc.isp_command = choice;
2757
2758 #if 0
2759         // If spell checker == "none", all other input set to off.
2760         if (fl_get_choice(dialog_->choice_spell_command) == 1) {
2761                 lyxrc.isp_use_alt_lang = false;
2762                 lyxrc.isp_alt_lang.erase();
2763
2764                 lyxrc.isp_use_esc_chars = false;
2765                 lyxrc.isp_esc_chars.erase();
2766
2767                 lyxrc.isp_use_pers_dict = false;
2768                 lyxrc.isp_pers_dict.erase();
2769
2770                 lyxrc.isp_accept_compound = false;
2771                 lyxrc.isp_use_input_encoding = false;
2772         } else {
2773 #else
2774                 int button = fl_get_button(dialog_->check_alt_lang);
2775                 choice = fl_get_input(dialog_->input_alt_lang);
2776                 if (button && choice.empty()) button = 0;
2777                 if (!button) choice.erase();
2778
2779                 lyxrc.isp_use_alt_lang = static_cast<bool>(button);
2780                 lyxrc.isp_alt_lang = choice;
2781
2782                 button = fl_get_button(dialog_->check_escape_chars);
2783                 choice = fl_get_input(dialog_->input_escape_chars);
2784                 if (button && choice.empty()) button = 0;
2785                 if (!button) choice.erase();
2786
2787                 lyxrc.isp_use_esc_chars = static_cast<bool>(button);
2788                 lyxrc.isp_esc_chars = choice;
2789
2790                 button = fl_get_button(dialog_->check_personal_dict);
2791                 choice = fl_get_input(dialog_->input_personal_dict);
2792                 if (button && choice.empty()) button = 0;
2793                 if (!button) choice.erase();
2794
2795                 lyxrc.isp_use_pers_dict = static_cast<bool>(button);
2796                 lyxrc.isp_pers_dict = choice;
2797
2798                 button = fl_get_button(dialog_->check_compound_words);
2799                 lyxrc.isp_accept_compound = static_cast<bool>(button);
2800
2801                 button = fl_get_button(dialog_->check_input_enc);
2802                 lyxrc.isp_use_input_encoding = static_cast<bool>(button);
2803 #endif
2804 #if 0
2805         }
2806 #endif
2807
2808         // Reset view
2809         update();
2810 }
2811
2812
2813 void FormPreferences::SpellOptions::build()
2814 {
2815         dialog_.reset(parent_.build_spelloptions());
2816
2817         fl_addto_choice(dialog_->choice_spell_command,
2818 #if 0
2819                         _(" none | ispell | aspell "));
2820 #else
2821                         _(" ispell | aspell "));
2822 #endif
2823         fl_set_input_return(dialog_->input_alt_lang,      FL_RETURN_CHANGED);
2824         fl_set_input_return(dialog_->input_escape_chars,  FL_RETURN_CHANGED);
2825         fl_set_input_return(dialog_->input_personal_dict, FL_RETURN_CHANGED);
2826
2827         // set up the feedback mechanism
2828         setPreHandler(dialog_->choice_spell_command);
2829         setPreHandler(dialog_->check_alt_lang);
2830         setPreHandler(dialog_->input_alt_lang);
2831         setPreHandler(dialog_->check_escape_chars);
2832         setPreHandler(dialog_->input_escape_chars);
2833         setPreHandler(dialog_->check_personal_dict);
2834         setPreHandler(dialog_->input_personal_dict);
2835         setPreHandler(dialog_->button_personal_dict);
2836         setPreHandler(dialog_->check_compound_words);
2837         setPreHandler(dialog_->check_input_enc);
2838 }
2839
2840
2841 string const
2842 FormPreferences::SpellOptions::feedback(FL_OBJECT const * const ob) const
2843 {
2844         string str;
2845
2846         if (ob == dialog_->choice_spell_command)
2847                 str = lyxrc.getDescription(LyXRC::RC_SPELL_COMMAND);
2848         else if (ob == dialog_->check_alt_lang)
2849                 str = lyxrc.getDescription(LyXRC::RC_USE_ALT_LANG);
2850         else if (ob == dialog_->input_alt_lang)
2851                 str = lyxrc.getDescription(LyXRC::RC_ALT_LANG);
2852         else if (ob == dialog_->check_escape_chars)
2853                 str = lyxrc.getDescription(LyXRC::RC_USE_ESC_CHARS);
2854         else if (ob == dialog_->input_escape_chars)
2855                 str = lyxrc.getDescription(LyXRC::RC_ESC_CHARS);
2856         else if (ob == dialog_->check_personal_dict)
2857                 str = lyxrc.getDescription(LyXRC::RC_USE_PERS_DICT);
2858         else if (ob == dialog_->input_personal_dict)
2859                 str = lyxrc.getDescription(LyXRC::RC_PERS_DICT);
2860         else if (ob == dialog_->check_compound_words)
2861                 str = lyxrc.getDescription(LyXRC::RC_ACCEPT_COMPOUND);
2862         else if (ob == dialog_->check_input_enc)
2863                 str = lyxrc.getDescription(LyXRC::RC_USE_INP_ENC);
2864
2865         return str;
2866 }
2867
2868
2869 bool FormPreferences::SpellOptions::input(FL_OBJECT const * const ob)
2870 {
2871         // !ob if function is called from updateSpellOptions() to de/activate
2872         // objects,
2873         // otherwise the function is called by an xforms CB via input().
2874
2875 #if 0
2876         // If spell checker == "none", disable all input.
2877         if (!ob || ob == dialog_->choice_spell_command) {
2878                 if (fl_get_choice(dialog_->choice_spell_command) == 1) {
2879                         fl_deactivate_object(dialog_->check_alt_lang);
2880                         fl_deactivate_object(dialog_->input_alt_lang);
2881                         fl_deactivate_object(dialog_->check_escape_chars);
2882                         fl_deactivate_object(dialog_->input_escape_chars);
2883                         fl_deactivate_object(dialog_->check_personal_dict);
2884                         fl_deactivate_object(dialog_->input_personal_dict);
2885                         fl_deactivate_object(dialog_->check_compound_words);
2886                         fl_deactivate_object(dialog_->check_input_enc);
2887                         return true;
2888                 } else {
2889                         fl_activate_object(dialog_->check_alt_lang);
2890                         fl_activate_object(dialog_->check_escape_chars);
2891                         fl_activate_object(dialog_->check_personal_dict);
2892                         fl_activate_object(dialog_->check_compound_words);
2893                         fl_activate_object(dialog_->check_input_enc);
2894                 }
2895         }
2896 #endif
2897
2898         if (!ob || ob == dialog_->check_alt_lang) {
2899                 bool const enable = fl_get_button(dialog_->check_alt_lang);
2900                 setEnabled(dialog_->input_alt_lang, enable);
2901         }
2902
2903         if (!ob || ob == dialog_->check_escape_chars) {
2904                 bool const enable = fl_get_button(dialog_->check_escape_chars);
2905                 setEnabled(dialog_->input_escape_chars, enable);
2906         }
2907
2908         if (!ob || ob == dialog_->check_personal_dict) {
2909                 bool const enable = fl_get_button(dialog_->check_personal_dict);
2910                 setEnabled(dialog_->input_personal_dict, enable);
2911         }
2912
2913         if (ob == dialog_->button_personal_dict) {
2914                 parent_.browse(dialog_->input_personal_dict,
2915                                N_("Personal dictionary"), "*.ispell",
2916                                make_pair(string(), string()),
2917                                make_pair(string(), string()));
2918         }
2919
2920         return true; // All input is valid!
2921 }
2922
2923
2924 void FormPreferences::SpellOptions::update()
2925 {
2926         int choice = 1;
2927 #if 0
2928         if (lyxrc.isp_command == "none")
2929                 choice = 1;
2930         else if (lyxrc.isp_command == "ispell")
2931                 choice = 2;
2932         else if (lyxrc.isp_command == "aspell")
2933                 choice = 3;
2934 #else
2935         if (lyxrc.isp_command == "ispell")
2936                 choice = 1;
2937         else if (lyxrc.isp_command == "aspell")
2938                 choice = 2;
2939 #endif
2940         fl_set_choice(dialog_->choice_spell_command, choice);
2941
2942         string str;
2943         if (lyxrc.isp_use_alt_lang) str = lyxrc.isp_alt_lang;
2944
2945         fl_set_button(dialog_->check_alt_lang,
2946                       lyxrc.isp_use_alt_lang);
2947         fl_set_input(dialog_->input_alt_lang, str.c_str());
2948
2949         str.erase();
2950         if (lyxrc.isp_use_esc_chars) str = lyxrc.isp_esc_chars;
2951
2952         fl_set_button(dialog_->check_escape_chars,
2953                       lyxrc.isp_use_esc_chars);
2954         fl_set_input(dialog_->input_escape_chars, str.c_str());
2955
2956         str.erase();
2957         if (lyxrc.isp_use_pers_dict) str = lyxrc.isp_pers_dict;
2958
2959         fl_set_button(dialog_->check_personal_dict,
2960                       lyxrc.isp_use_pers_dict);
2961         fl_set_input(dialog_->input_personal_dict, str.c_str());
2962
2963         fl_set_button(dialog_->check_compound_words,
2964                       lyxrc.isp_accept_compound);
2965         fl_set_button(dialog_->check_input_enc,
2966                       lyxrc.isp_use_input_encoding);
2967
2968         // Activate/Deactivate the input fields dependent on the state of the
2969         // buttons.
2970         input(0);
2971 }
2972
2973
2974 void FormPreferences::printWarning(string const & warning)
2975 {
2976         warningPosted = true;
2977
2978         string str = _("WARNING!") + string(" ") + warning;
2979         str = formatted(str, dialog_->text_warning->w-10, FL_SMALL_SIZE);
2980
2981         fl_set_object_label(dialog_->text_warning, str.c_str());
2982         fl_set_object_lsize(dialog_->text_warning, FL_SMALL_SIZE);
2983 }
2984
2985
2986 void FormPreferences::browse(FL_OBJECT * inpt,
2987                              string const & title,
2988                              string const & pattern,
2989                              pair<string,string> const & dir1,
2990                              pair<string,string> const & dir2)
2991 {
2992         // Get the filename from the dialog
2993         string const filename = fl_get_input(inpt);
2994
2995         // Show the file browser dialog
2996         string const new_filename =
2997                 browseFile(lv_, filename, title, pattern, dir1, dir2);
2998
2999         // Save the filename to the dialog
3000         if (new_filename != filename && !new_filename.empty()) {
3001                 fl_set_input(inpt, new_filename.c_str());
3002                 input(inpt, 0);
3003         }
3004 }
3005
3006
3007 // C function wrapper, required by xforms.
3008 extern "C" {
3009
3010         static
3011         int C_FormPreferencesFeedbackCB(FL_OBJECT * ob, int event,
3012                                         FL_Coord mx, FL_Coord my,
3013                                         int key, void * xev)
3014         {
3015                 return FormPreferences::FeedbackCB(ob, event,
3016                                                    mx, my, key, xev);
3017         }
3018
3019 }
3020
3021
3022 int FormPreferences::FeedbackCB(FL_OBJECT * ob, int event,
3023                                 FL_Coord, FL_Coord, int, void *)
3024 {
3025         // Note that the return value is important in the pre-emptive handler.
3026         // Don't return anything other than 0.
3027
3028         lyx::Assert(ob);
3029         // Don't Assert this one, as it can happen quite reasonably when things
3030         // are being deleted in the d-tor.
3031         //Assert(ob->form);
3032         if (!ob->form) return 0;
3033
3034         FormPreferences * pre =
3035                 static_cast<FormPreferences*>(ob->form->u_vdata);
3036         pre->Feedback(ob, event);
3037         return 0;
3038 }
3039
3040
3041 // preemptive handler for feedback messages
3042 void FormPreferences::Feedback(FL_OBJECT * ob, int event)
3043 {
3044         lyx::Assert(ob);
3045
3046         switch (event) {
3047         case FL_ENTER:
3048                 warningPosted = false;
3049                 feedback(ob);
3050                 break;
3051
3052         case FL_LEAVE:
3053                 if (!warningPosted)
3054                         fl_set_object_label(dialog_->text_warning, "");
3055                 break;
3056
3057         default:
3058                 break;
3059         }
3060 }
3061
3062
3063 void FormPreferences::setPreHandler(FL_OBJECT * ob)
3064 {
3065         lyx::Assert(ob);
3066         fl_set_object_prehandler(ob, C_FormPreferencesFeedbackCB);
3067 }