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 "lyxlex.h"
  42 #include "input_validators.h"
  43 #include "xforms_helpers.h"
  44 #include "helper_funcs.h"
  45 #include "converter.h"
  46 #include "support/lyxfunctional.h"
  47 #include "support/lyxmanip.h"
  48
  49 using std::endl;
  50 using std::pair;
  51 using std::make_pair;
  52 using std::max;
  53 using std::min;
  54 using std::vector;
  55 using SigC::slot;
  56
  57 extern string system_lyxdir;
  58 extern string user_lyxdir;
  59 extern Languages languages;
  60
  61 namespace {
  62
  63 // These should probably go inside the class definition...
  64 Formats    local_formats;
  65 Converters local_converters;
  66
  67 } // namespace anon
  68
  69
  70 FormPreferences::FormPreferences(LyXView * lv, Dialogs * d)
  71         : FormBaseBI(lv, d, _("Preferences"), false),
  72           warningPosted(false),
  73           colors_(*this), converters_(*this), inputs_misc_(*this),
  74           formats_(*this), interface_(*this), language_(*this),
  75           lnf_misc_(*this), outputs_misc_(*this), paths_(*this),
  76           printer_(*this), screen_fonts_(*this), spelloptions_(*this)
  77 {
  78         // let the dialog be shown
  79         // This is a permanent connection so we won't bother
  80         // storing a copy because we won't be disconnecting.
  81         d->showPreferences.connect(slot(this, &FormPreferences::show));
  82         d->showSpellcheckerPreferences.connect(slot(this, &FormPreferences::showSpellPref));
  83 }
  84
  85
  86 void FormPreferences::redraw()
  87 {
  88         if (!(form() && form()->visible))
  89                 return;
  90         fl_redraw_form(form());
  91
  92         FL_FORM * form2 = fl_get_active_folder(dialog_->tabfolder_prefs);
  93         if (!(form2 && form2->visible))
  94                 return;
  95         fl_redraw_form(form2);
  96
  97         FL_FORM * form3 = 0;
  98         if (form2 == converters_tab_->form)
  99                 form3 = fl_get_active_folder(converters_tab_->tabfolder_outer);
 100
 101         else if (form2 == look_n_feel_tab_->form)
 102                 form3 = fl_get_active_folder(look_n_feel_tab_->tabfolder_outer);
 103
 104         else if (form2 == inputs_tab_->form)
 105                 form3 = fl_get_active_folder(inputs_tab_->tabfolder_outer);
 106
 107         else if (form2 == outputs_tab_->form)
 108                 form3 = fl_get_active_folder(outputs_tab_->tabfolder_outer);
 109
 110         else if (form2 == lang_opts_tab_->form)
 111                 form3 = fl_get_active_folder(lang_opts_tab_->tabfolder_outer);
 112
 113         if (form3 && form3->visible)
 114                 fl_redraw_form(form3);
 115 }
 116
 117
 118 FL_FORM * FormPreferences::form() const
 119 {
 120         if (dialog_.get()) return dialog_->form;
 121         return 0;
 122 }
 123
 124
 125 void FormPreferences::showSpellPref()
 126 {
 127         show();
 128         fl_set_folder(dialog_->tabfolder_prefs, lang_opts_tab_->form);
 129         fl_set_folder(lang_opts_tab_->tabfolder_outer, spelloptions_.dialog()->form);
 130 }
 131
 132
 133 void FormPreferences::ok()
 134 {
 135         FormBaseDeprecated::ok();
 136
 137         if (colors_.modifiedXformsPrefs) {
 138                 string const filename =
 139                         AddName(user_lyxdir, "preferences.xform");
 140                 colors_.modifiedXformsPrefs = !XformsColor::write(filename);
 141         }
 142
 143         lv_->getLyXFunc()->dispatch(LFUN_SAVEPREFERENCES);
 144 }
 145
 146
 147 void FormPreferences::hide()
 148 {
 149         // We need to hide the active tabfolder otherwise we get a
 150         // BadDrawable error from X window and LyX crashes without saving.
 151         FL_FORM * outer_form = fl_get_active_folder(dialog_->tabfolder_prefs);
 152         if (outer_form
 153             && outer_form->visible) {
 154                 fl_hide_form(outer_form);
 155         }
 156         FormBaseDeprecated::hide();
 157 }
 158
 159
 160 void FormPreferences::build()
 161 {
 162         dialog_.reset(build_preferences());
 163
 164         // Manage the restore, save, apply and cancel/close buttons
 165         bc().setOK(dialog_->button_ok);
 166         bc().setApply(dialog_->button_apply);
 167         bc().setCancel(dialog_->button_cancel);
 168         bc().setRestore(dialog_->button_restore);
 169
 170         // build the tab folders
 171         converters_tab_.reset(build_outer_tab());
 172         look_n_feel_tab_.reset(build_outer_tab());
 173         inputs_tab_.reset(build_outer_tab());
 174         outputs_tab_.reset(build_outer_tab());
 175         lang_opts_tab_.reset(build_outer_tab());
 176
 177         // build actual tabfolder contents
 178         // these will become nested tabfolders
 179         colors_.build();
 180         converters_.build();
 181         formats_.build();
 182         inputs_misc_.build();
 183         interface_.build();
 184         language_.build();
 185         lnf_misc_.build();
 186         outputs_misc_.build();
 187         paths_.build();
 188         printer_.build();
 189         screen_fonts_.build();
 190         spelloptions_.build();
 191
 192         // Now add them to the tabfolder
 193         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 194                            _("Look & Feel"),
 195                            look_n_feel_tab_->form);
 196         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 197                            _("Lang Opts"),
 198                            lang_opts_tab_->form);
 199         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 200                            _("Conversion"),
 201                            converters_tab_->form);
 202         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 203                            _("Inputs"),
 204                            inputs_tab_->form);
 205         fl_addto_tabfolder(dialog_->tabfolder_prefs,
 206                            _("Outputs"),
 207                            outputs_tab_->form);
 208
 209         // now build the nested tabfolders
 210         // Starting with look and feel
 211         fl_addto_tabfolder(look_n_feel_tab_->tabfolder_outer,
 212                            _("Screen Fonts"),
 213                            screen_fonts_.dialog()->form);
 214         fl_addto_tabfolder(look_n_feel_tab_->tabfolder_outer,
 215                            _("Interface"),
 216                            interface_.dialog()->form);
 217         fl_addto_tabfolder(look_n_feel_tab_->tabfolder_outer,
 218                            _("Colors"),
 219                            colors_.dialog()->form);
 220         fl_addto_tabfolder(look_n_feel_tab_->tabfolder_outer,
 221                            _("Misc"),
 222                            lnf_misc_.dialog()->form);
 223
 224         // then build converters
 225         fl_addto_tabfolder(converters_tab_->tabfolder_outer,
 226                            _("Formats"),
 227                            formats_.dialog()->form);
 228         fl_addto_tabfolder(converters_tab_->tabfolder_outer,
 229                            _("Converters"),
 230                            converters_.dialog()->form);
 231
 232         // then build inputs
 233         // Paths should probably go in a few outer_tab called Files
 234         fl_addto_tabfolder(inputs_tab_->tabfolder_outer,
 235                            _("Paths"),
 236                            paths_.dialog()->form);
 237         fl_addto_tabfolder(inputs_tab_->tabfolder_outer,
 238                            _("Misc"),
 239                            inputs_misc_.dialog()->form);
 240
 241         // then building outputs
 242         fl_addto_tabfolder(outputs_tab_->tabfolder_outer,
 243                            _("Printer"),
 244                            printer_.dialog()->form);
 245         fl_addto_tabfolder(outputs_tab_->tabfolder_outer,
 246                            _("Misc"),
 247                            outputs_misc_.dialog()->form);
 248
 249         // then building usage
 250         fl_addto_tabfolder(lang_opts_tab_->tabfolder_outer,
 251                            _("Spell checker"),
 252                            spelloptions_.dialog()->form);
 253         fl_addto_tabfolder(lang_opts_tab_->tabfolder_outer,
 254                            _("Language"),
 255                            language_.dialog()->form);
 256 }
 257
 258
 259 void FormPreferences::apply()
 260 {
 261         // set the new lyxrc entries
 262         // many of these need to trigger other functions when the assignment
 263         // is made.  For example, screen zoom and font types.  These could be
 264         // handled either by signals/slots in lyxrc or just directly call the
 265         // associated functions here.
 266         // There are other problems with this scheme.  We really should check
 267         // what we copy to make sure that it really is necessary to do things
 268         // like update the screen fonts because that flushes the textcache
 269         // and other stuff which may cost us a lot on slower/high-load
 270         // machines.
 271
 272         colors_.apply();
 273         formats_.apply();    // Must be before converters_.apply()
 274         converters_.apply();
 275         inputs_misc_.apply();
 276         interface_.apply();
 277         language_.apply();
 278         lnf_misc_.apply();
 279         outputs_misc_.apply();
 280         paths_.apply();
 281         printer_.apply();
 282         screen_fonts_.apply();
 283         spelloptions_.apply();
 284 }
 285
 286
 287 void FormPreferences::feedback(FL_OBJECT * ob)
 288 {
 289         lyx::Assert(ob);
 290
 291         string str;
 292
 293         if (ob->form->fdui == colors_.dialog()) {
 294                 str = colors_.feedback(ob);
 295         } else if (ob->form->fdui == converters_.dialog()) {
 296                 str = converters_.feedback(ob);
 297         } else if (ob->form->fdui == formats_.dialog()) {
 298                 str = formats_.feedback(ob);
 299         } else if (ob->form->fdui == inputs_misc_.dialog()) {
 300                 str = inputs_misc_.feedback(ob);
 301         } else if (ob->form->fdui == interface_.dialog()) {
 302                 str = interface_.feedback(ob);
 303         } else if (ob->form->fdui == language_.dialog()) {
 304                 str = language_.feedback(ob);
 305         } else if (ob->form->fdui == lnf_misc_.dialog()) {
 306                 str = lnf_misc_.feedback(ob);
 307         } else if (ob->form->fdui == outputs_misc_.dialog()) {
 308                 str = outputs_misc_.feedback(ob);
 309         } else if (ob->form->fdui == paths_.dialog()) {
 310                 str = paths_.feedback(ob);
 311         } else if (ob->form->fdui == printer_.dialog()) {
 312                 str = printer_.feedback(ob);
 313         } else if (ob->form->fdui == screen_fonts_.dialog()) {
 314                 str = screen_fonts_.feedback(ob);
 315         } else if (ob->form->fdui == spelloptions_.dialog()) {
 316                 str = spelloptions_.feedback(ob);
 317         }
 318
 319         str = formatted(_(str), dialog_->text_warning->w-10, FL_SMALL_SIZE);
 320
 321         fl_set_object_label(dialog_->text_warning, str.c_str());
 322         fl_set_object_lsize(dialog_->text_warning, FL_SMALL_SIZE);
 323 }
 324
 325
 326 bool FormPreferences::input(FL_OBJECT * ob, long)
 327 {
 328         lyx::Assert(ob);
 329
 330         // whatever checks you need to ensure the user hasn't entered
 331         // some totally ridiculous value somewhere.  Change activate to suit.
 332         // comments before each test describe what is _valid_
 333
 334         if (ob->form->fdui == colors_.dialog()) {
 335                 colors_.input(ob);
 336                 return true;
 337         } else if (ob->form->fdui == converters_.dialog())
 338                 return converters_.input(ob);
 339         else if (ob->form->fdui == formats_.dialog())
 340                 return formats_.input(ob);
 341         else if (ob->form->fdui == interface_.dialog())
 342                 return interface_.input(ob);
 343         else if (ob->form->fdui == language_.dialog())
 344                 return language_.input(ob);
 345         else if (ob->form->fdui == paths_.dialog())
 346                 return paths_.input(ob);
 347         else if (ob->form->fdui == screen_fonts_.dialog())
 348                 return screen_fonts_.input();
 349         else if (ob->form->fdui == spelloptions_.dialog())
 350                 return spelloptions_.input(ob);
 351
 352         return true;
 353 }
 354
 355
 356 void FormPreferences::update()
 357 {
 358         if (!dialog_.get()) return;
 359
 360         // read lyxrc entries
 361         colors_.update();
 362         formats_.update();   // Must be before converters_.update()
 363         converters_.update();
 364         inputs_misc_.update();
 365         interface_.update();
 366         language_.update();
 367         lnf_misc_.update();
 368         outputs_misc_.update();
 369         paths_.update();
 370         printer_.update();
 371         screen_fonts_.update();
 372         spelloptions_.update();
 373 }
 374
 375
 376 FormPreferences::Colors::Colors(FormPreferences & p)
 377         : modifiedXformsPrefs(false), parent_(p)
 378 {}
 379
 380
 381 FD_form_colors const * FormPreferences::Colors::dialog()
 382 {
 383         return dialog_.get();
 384 }
 385
 386
 387 void FormPreferences::Colors::apply()
 388 {
 389         bool modifiedText = false;
 390         bool modifiedBackground = false;
 391
 392         for (vector<XformsColor>::const_iterator cit = xformsColorDB.begin();
 393              cit != xformsColorDB.end(); ++cit) {
 394                 RGBColor col;
 395                 fl_getmcolor(cit->colorID, &col.r, &col.g, &col.b);
 396                 if (col != cit->color()) {
 397                         modifiedXformsPrefs = true;
 398                         if (cit->colorID == FL_BLACK)
 399                                 modifiedText = true;
 400                         if (cit->colorID == FL_COL1)
 401                                 modifiedBackground = true;
 402                 }
 403         }
 404
 405         if (modifiedXformsPrefs) {
 406                 for (vector<XformsColor>::const_iterator cit =
 407                              xformsColorDB.begin();
 408                      cit != xformsColorDB.end(); ++cit) {
 409                         fl_mapcolor(cit->colorID, cit->r, cit->g, cit->b);
 410
 411                         if (modifiedText && cit->colorID == FL_BLACK) {
 412                                 AdjustVal(FL_INACTIVE, FL_BLACK, 0.5);
 413                         }
 414
 415                         if (modifiedBackground && cit->colorID == FL_COL1) {
 416                                 AdjustVal(FL_MCOL,      FL_COL1, 0.1);
 417                                 AdjustVal(FL_TOP_BCOL,  FL_COL1, 0.1);
 418                                 AdjustVal(FL_LEFT_BCOL, FL_COL1, 0.1);
 419
 420                                 AdjustVal(FL_RIGHT_BCOL,  FL_COL1, -0.5);
 421                                 AdjustVal(FL_BOTTOM_BCOL, FL_COL1, -0.5);
 422                         }
 423
 424                         if (cit->colorID == GUI_COLOR_CURSOR) {
 425                                 fl_mapcolor(GUI_COLOR_CURSOR,
 426                                             cit->r, cit->g, cit->b);
 427                                 fl_set_cursor_color(FL_DEFAULT_CURSOR,
 428                                                     GUI_COLOR_CURSOR, FL_WHITE);
 429                         }
 430                 }
 431                 Dialogs::redrawGUI();
 432         }
 433
 434         // Now do the same for the LyX LColors...
 435         for (vector<NamedColor>::const_iterator cit = lyxColorDB.begin();
 436              cit != lyxColorDB.end(); ++cit) {
 437                 LColor::color lc = lcolor.getFromGUIName(cit->getname());
 438                 if (lc == LColor::inherit) continue;
 439
 440                 // Create a valid X11 name of the form "#rrggbb"
 441                 string const hexname = X11hexname(cit->color());
 442
 443                 if (lcolor.getX11Name(lc) != hexname) {
 444                         lyxerr[Debug::GUI]
 445                                 << "FormPreferences::Colors::apply: "
 446                                 << "resetting LColor " << lcolor.getGUIName(lc)
 447                                 << " from \"" << lcolor.getX11Name(lc)
 448                                 << "\" to \"" << hexname << "\"."
 449                                 << endl;
 450
 451                         string const s = lcolor.getLyXName(lc) + string(" ") +
 452                                 hexname;
 453                         parent_.lv_->getLyXFunc()->dispatch(LFUN_SET_COLOR, s);
 454                 }
 455         }
 456 }
 457
 458
 459 void FormPreferences::Colors::build()
 460 {
 461         dialog_.reset(parent_.build_colors());
 462
 463         fl_set_object_color(dialog_->button_color,
 464                             GUI_COLOR_CHOICE, GUI_COLOR_CHOICE);
 465
 466         fl_set_object_color(dialog_->dial_hue, GUI_COLOR_HUE_DIAL, FL_BLACK);
 467         fl_set_dial_bounds(dialog_->dial_hue, 0.0, 360.0);
 468         fl_set_dial_step(dialog_->dial_hue, 1.0);
 469         fl_set_dial_return(dialog_->dial_hue, FL_RETURN_CHANGED);
 470
 471         fl_set_slider_bounds(dialog_->slider_saturation, 0.0, 1.0);
 472         fl_set_slider_step(dialog_->slider_saturation, 0.01);
 473         fl_set_slider_return(dialog_->slider_saturation, FL_RETURN_CHANGED);
 474
 475         fl_set_slider_bounds(dialog_->slider_value, 0.0, 1.0);
 476         fl_set_slider_step(dialog_->slider_value, 0.01);
 477         fl_set_slider_return(dialog_->slider_value, FL_RETURN_CHANGED);
 478
 479         fl_set_slider_bounds(dialog_->slider_red, 0.0, 255.0);
 480         fl_set_slider_step(dialog_->slider_red, 1.0);
 481         fl_set_slider_return(dialog_->slider_red, FL_RETURN_CHANGED);
 482
 483         fl_set_slider_bounds(dialog_->slider_green, 0.0, 255.0);
 484         fl_set_slider_step(dialog_->slider_green, 1.0);
 485         fl_set_slider_return(dialog_->slider_green, FL_RETURN_CHANGED);
 486
 487         fl_set_slider_bounds(dialog_->slider_blue, 0.0, 255.0);
 488         fl_set_slider_step(dialog_->slider_blue, 1.0);
 489         fl_set_slider_return(dialog_->slider_blue, FL_RETURN_CHANGED);
 490
 491         // set up the feedback mechanism
 492         setPreHandler(dialog_->browser_lyx_objs);
 493         setPreHandler(dialog_->button_color);
 494         setPreHandler(dialog_->button_modify);
 495         setPreHandler(dialog_->dial_hue);
 496         setPreHandler(dialog_->slider_saturation);
 497         setPreHandler(dialog_->slider_value);
 498         setPreHandler(dialog_->slider_red);
 499         setPreHandler(dialog_->slider_green);
 500         setPreHandler(dialog_->slider_blue);
 501         setPreHandler(dialog_->radio_rgb);
 502         setPreHandler(dialog_->radio_hsv);
 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_->radio_rgb ||
 525                    ob == dialog_->radio_hsv) {
 526                 str = N_("Toggle between RGB and HSV color spaces.");
 527         }
 528
 529         return str;
 530 }
 531
 532
 533 void FormPreferences::Colors::input(FL_OBJECT const * const ob)
 534 {
 535         if (ob == dialog_->browser_lyx_objs) {
 536                 InputBrowserLyX();
 537
 538         } else if (ob == dialog_->dial_hue ||
 539                    ob == dialog_->slider_saturation ||
 540                    ob == dialog_->slider_value) {
 541                 InputHSV();
 542
 543         } else if (ob == dialog_->slider_red ||
 544                    ob == dialog_->slider_green ||
 545                    ob == dialog_->slider_blue) {
 546                 InputRGB();
 547
 548         } else if (ob == dialog_->radio_rgb ||
 549                    ob == dialog_->radio_hsv) {
 550                 SwitchColorSpace();
 551
 552         } else if (ob == dialog_->button_modify) {
 553                 Modify();
 554         }
 555 }
 556
 557
 558 void FormPreferences::Colors::AdjustVal(int colAdjust, int colParent,
 559                                         double addVal) const
 560 {
 561         RGBColor rgb;
 562         fl_getmcolor(colParent, &rgb.r, &rgb.g, &rgb.b);
 563
 564         HSVColor hsv(rgb);
 565         hsv.v += addVal;
 566         hsv.v = min( 1.0, max(0.0, hsv.v) );
 567
 568         rgb = RGBColor(hsv);
 569         fl_mapcolor(colAdjust, rgb.r, rgb.g, rgb.b);
 570 }
 571
 572
 573 void FormPreferences::Colors::InputBrowserLyX() const
 574 {
 575         vector<NamedColor>::size_type const selLyX =
 576                 fl_get_browser(dialog_->browser_lyx_objs);
 577         if (selLyX < 1) return;
 578
 579         // Is the choice an Xforms color...
 580         RGBColor col;
 581
 582         if( selLyX-1 < xformsColorDB.size() ) {
 583                 vector<XformsColor>::size_type const i = selLyX - 1;
 584                 col = xformsColorDB[i].color();
 585         }
 586         // or a LyX Logical color?
 587         else {
 588                 vector<NamedColor>::size_type const i = selLyX - 1 -
 589                         xformsColorDB.size();
 590                 col = lyxColorDB[i].color();
 591         }
 592
 593         fl_freeze_form(dialog_->form);
 594
 595         fl_mapcolor(GUI_COLOR_CHOICE, col.r, col.g, col.b);
 596         fl_redraw_object(dialog_->button_color);
 597
 598         // Display either RGB or HSV but not both!
 599         SwitchColorSpace();
 600
 601         // Deactivate the modify button to begin with...
 602         setEnabled(dialog_->button_modify, false);
 603
 604         fl_unfreeze_form(dialog_->form);
 605 }
 606
 607
 608 void FormPreferences::Colors::InputHSV()
 609 {
 610         double const hue = fl_get_dial_value(dialog_->dial_hue);
 611         double const sat = fl_get_slider_value(dialog_->slider_saturation);
 612         double const val = fl_get_slider_value(dialog_->slider_value);
 613
 614         int const h = int(hue);
 615         int const s = int(100.0 * sat);
 616         int const v = int(100.0 * val);
 617
 618         string const label = tostr(h) + string(", ") + tostr(s) + string(", ") +
 619                 tostr(v);
 620         fl_set_object_label(dialog_->text_color_values, label.c_str());
 621
 622         RGBColor col = HSVColor(hue, sat, val);
 623
 624         fl_freeze_form(dialog_->form);
 625
 626         fl_mapcolor(GUI_COLOR_CHOICE, col.r, col.g, col.b);
 627         fl_redraw_object(dialog_->button_color);
 628
 629         col = HSVColor(hue, 1.0, 1.0);
 630         col.r = max(col.r, 0);
 631         fl_mapcolor(GUI_COLOR_HUE_DIAL, col.r, col.g, col.b);
 632         fl_redraw_object(dialog_->dial_hue);
 633
 634         // Ascertain whether to activate the Modify button.
 635         vector<NamedColor>::size_type const selLyX =
 636                 fl_get_browser(dialog_->browser_lyx_objs);
 637
 638         fl_unfreeze_form(dialog_->form);
 639         if (selLyX < 1) return;
 640
 641         fl_getmcolor(GUI_COLOR_CHOICE, &col.r, &col.g, &col.b);
 642         bool modify = false;
 643
 644         // Is the choice an Xforms color...
 645         if( selLyX-1 < xformsColorDB.size() ) {
 646                 vector<XformsColor>::size_type const i = selLyX - 1;
 647                 modify = (xformsColorDB[i].color() != col);
 648         }
 649         // or a LyX Logical color?
 650         else {
 651                 vector<NamedColor>::size_type const i = selLyX - 1 -
 652                         xformsColorDB.size();
 653                 modify = (lyxColorDB[i].color() != col);
 654         }
 655
 656         setEnabled(dialog_->button_modify, modify);
 657 }
 658
 659
 660 void FormPreferences::Colors::InputRGB()
 661 {
 662         int const red   = int(fl_get_slider_value(dialog_->slider_red));
 663         int const green = int(fl_get_slider_value(dialog_->slider_green));
 664         int const blue  = int(fl_get_slider_value(dialog_->slider_blue));
 665
 666         string const label = tostr(red) + string(", ") + tostr(green) +
 667                 string(", ") + tostr(blue);
 668         fl_set_object_label(dialog_->text_color_values, label.c_str());
 669
 670         fl_freeze_form(dialog_->form);
 671
 672         RGBColor col = RGBColor(red, green, blue);
 673         fl_mapcolor(GUI_COLOR_CHOICE, col.r, col.g, col.b);
 674         fl_redraw_object(dialog_->button_color);
 675
 676         // Ascertain whether to activate the Modify button.
 677         vector<NamedColor>::size_type const selLyX =
 678                 fl_get_browser(dialog_->browser_lyx_objs);
 679
 680         fl_unfreeze_form(dialog_->form);
 681         if (selLyX < 1) return;
 682
 683         bool modify = false;
 684
 685         // Is the choice an Xforms color...
 686         if( selLyX-1 < xformsColorDB.size() ) {
 687                 vector<XformsColor>::size_type const i = selLyX - 1;
 688                 modify = (xformsColorDB[i].color() != col);
 689         }
 690         // or a LyX Logical color?
 691         else {
 692                 vector<NamedColor>::size_type const i = selLyX - 1 -
 693                         xformsColorDB.size();
 694                 modify = (lyxColorDB[i].color() != col);
 695         }
 696
 697         setEnabled(dialog_->button_modify, modify);
 698 }
 699
 700
 701 void FormPreferences::Colors::LoadBrowserLyX()
 702 {
 703         if (!dialog_->browser_lyx_objs->visible) return;
 704
 705         // First, define the modifiable xforms colors
 706         xformsColorDB.clear();
 707         XformsColor xcol;
 708
 709         xcol.name = _("GUI background");
 710         xcol.colorID = FL_COL1;
 711         fl_getmcolor(FL_COL1, &xcol.r, &xcol.g, &xcol.b);
 712
 713         xformsColorDB.push_back(xcol);
 714
 715         xcol.name = _("GUI text");
 716         xcol.colorID = FL_BLACK;
 717         fl_getmcolor(FL_BLACK, &xcol.r, &xcol.g, &xcol.b);
 718
 719         fl_mapcolor(GUI_COLOR_CURSOR, xcol.r, xcol.g, xcol.b);
 720         fl_set_cursor_color(FL_DEFAULT_CURSOR, GUI_COLOR_CURSOR, FL_WHITE);
 721
 722         xformsColorDB.push_back(xcol);
 723
 724         xcol.name = _("GUI selection");
 725         xcol.colorID = FL_YELLOW;
 726         fl_getmcolor(FL_YELLOW, &xcol.r, &xcol.g, &xcol.b);
 727
 728         xformsColorDB.push_back(xcol);
 729
 730         xcol.name = _("GUI pointer");
 731         xcol.colorID = GUI_COLOR_CURSOR;
 732         fl_getmcolor(GUI_COLOR_CURSOR, &xcol.r, &xcol.g, &xcol.b);
 733
 734         xformsColorDB.push_back(xcol);
 735
 736         // Now create the the LyX LColors database
 737         lyxColorDB.clear();
 738         for (int i=0; i<LColor::ignore; ++i) {
 739                 LColor::color lc = static_cast<LColor::color>(i);
 740                 if (lc == LColor::none
 741                     || lc == LColor::black
 742                     || lc == LColor::white
 743                     || lc == LColor::red
 744                     || lc == LColor::green
 745                     || lc == LColor::blue
 746                     || lc == LColor::cyan
 747                     || lc == LColor::magenta
 748                     || lc == LColor::yellow
 749                     || lc == LColor::inherit
 750                     || lc == LColor::ignore) continue;
 751
 752                 string const name = lcolor.getX11Name(lc);
 753                 Display * display = fl_get_display();;
 754                 Colormap const colormap = fl_state[fl_get_vclass()].colormap;
 755                 XColor xcol, ccol;
 756
 757                 if (XLookupColor(display, colormap, name.c_str(), &xcol, &ccol)
 758                     == 0) {
 759                         lyxerr << "FormPreferences::Colors::LoadBrowserLyX:\n"
 760                                << "LColor " << lcolor.getLyXName(lc)
 761                                << ": X can't find color \"" << name
 762                                << "\". Set to \"black\"!" << endl;
 763
 764                         string const arg = lcolor.getLyXName(lc) + " black";
 765                         parent_.lv_->getLyXFunc()->
 766                                 dispatch(LFUN_SET_COLOR, arg);
 767                         continue;
 768                 }
 769
 770                 // X has found the color. Now find the "appropriate" X11 name
 771                 // for this color.
 772
 773                 // Note that X stores the RGB values in the range 0 - 65535
 774                 // whilst we require them in the range 0 - 255.
 775                 RGBColor col;
 776                 col.r = xcol.red   / 256;
 777                 col.g = xcol.green / 256;
 778                 col.b = xcol.blue  / 256;
 779
 780                 // Create a valid X11 name of the form "#rrggbb" and change the
 781                 // LColor X11name to this. Don't want to trigger a redraw,
 782                 // as we're just changing the name not the RGB values.
 783                 // Also reset the system_lcolor names, so that we don't output
 784                 // unnecessary changes.
 785                 string const hexname = X11hexname(col);
 786
 787                 if (lcolor.getX11Name(lc) != hexname) {
 788                         lcolor.setColor(lc, hexname);
 789                         system_lcolor.setColor(lc, hexname);
 790                 }
 791
 792                 // Finally, push the color onto the database
 793                 NamedColor ncol(lcolor.getGUIName(lc), col);
 794                 lyxColorDB.push_back(ncol);
 795         }
 796
 797         // Now construct the browser
 798         FL_OBJECT * colbr = dialog_->browser_lyx_objs;
 799         fl_freeze_form(dialog_->form);
 800         fl_clear_browser(colbr);
 801         for (vector<XformsColor>::const_iterator cit = xformsColorDB.begin();
 802              cit != xformsColorDB.end(); ++cit) {
 803                 fl_addto_browser(colbr, cit->getname().c_str());
 804         }
 805         for (vector<NamedColor>::const_iterator cit = lyxColorDB.begin();
 806              cit != lyxColorDB.end(); ++cit) {
 807                 fl_addto_browser(colbr, cit->getname().c_str());
 808         }
 809
 810         // just to be safe...
 811         fl_set_browser_topline(dialog_->browser_lyx_objs, 1);
 812         fl_select_browser_line(dialog_->browser_lyx_objs, 1);
 813         fl_unfreeze_form(dialog_->form);
 814
 815         InputBrowserLyX();
 816 }
 817
 818
 819 void FormPreferences::Colors::Modify()
 820 {
 821         vector<NamedColor>::size_type const selLyX =
 822                 fl_get_browser(dialog_->browser_lyx_objs);
 823         if (selLyX < 1) return;
 824
 825         RGBColor col;
 826         fl_getmcolor(GUI_COLOR_CHOICE, &col.r, &col.g, &col.b);
 827
 828         // Is the choice an Xforms color...
 829         if( selLyX-1 < xformsColorDB.size() ) {
 830                 vector<XformsColor>::size_type const i = selLyX - 1;
 831                 xformsColorDB[i].r  = col.r;
 832                 xformsColorDB[i].g  = col.g;
 833                 xformsColorDB[i].b  = col.b;
 834         }
 835         // or a LyX Logical color?
 836         else {
 837                 vector<NamedColor>::size_type const i = selLyX - 1 -
 838                         xformsColorDB.size();
 839                 lyxColorDB[i].r  = col.r;
 840                 lyxColorDB[i].g  = col.g;
 841                 lyxColorDB[i].b  = col.b;
 842         }
 843
 844         fl_freeze_form(dialog_->form);
 845         setEnabled(dialog_->button_modify, false);
 846         fl_unfreeze_form(dialog_->form);
 847 }
 848
 849
 850 void FormPreferences::Colors::SwitchColorSpace() const
 851 {
 852         bool const hsv = fl_get_button(dialog_->radio_hsv);
 853
 854         RGBColor col;
 855         fl_getmcolor(GUI_COLOR_CHOICE, &col.r, &col.g, &col.b);
 856
 857         fl_freeze_form(dialog_->form);
 858
 859         if (hsv) {
 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_show_object(dialog_->slider_red);
 891                 fl_show_object(dialog_->slider_blue);
 892                 fl_show_object(dialog_->slider_green);
 893                 fl_hide_object(dialog_->dial_hue);
 894                 fl_hide_object(dialog_->slider_saturation);
 895                 fl_hide_object(dialog_->slider_value);
 896
 897                 fl_set_slider_value(dialog_->slider_red,   col.r);
 898                 fl_set_slider_value(dialog_->slider_green, col.g);
 899                 fl_set_slider_value(dialog_->slider_blue,  col.b);
 900
 901                 // Adjust the label a bit. Same reasoning as above.
 902                 int const r = int(col.r);
 903                 int const g = int(col.g);
 904                 int const b = int(col.b);
 905                 string const label = tostr(r) + string(", ") + tostr(g) +
 906                         string(", ") + tostr(b);
 907                 fl_set_object_label(dialog_->text_color_values, label.c_str());
 908         }
 909
 910         fl_unfreeze_form(dialog_->form);
 911 }
 912
 913 string const FormPreferences::Colors::X11hexname(RGBColor const & col) const
 914 {
 915         ostringstream ostr;
 916
 917         ostr << "#" << std::setbase(16) << std::setfill('0')
 918              << std::setw(2) << col.r
 919              << std::setw(2) << col.g
 920              << std::setw(2) << col.b;
 921
 922         return ostr.str().c_str();
 923 }
 924
 925
 926 FormPreferences::Converters::Converters(FormPreferences & p)
 927         : parent_(p)
 928 {}
 929
 930
 931 FD_form_converters const * FormPreferences::Converters::dialog()
 932 {
 933         return dialog_.get();
 934 }
 935
 936
 937 void FormPreferences::Converters::apply() const
 938 {
 939         converters = local_converters;
 940         converters.update(formats);
 941         converters.buildGraph();
 942 }
 943
 944
 945 void FormPreferences::Converters::build()
 946 {
 947         dialog_.reset(parent_.build_converters());
 948
 949         fl_set_input_return(dialog_->input_converter, FL_RETURN_CHANGED);
 950         fl_set_input_return(dialog_->input_flags, FL_RETURN_CHANGED);
 951
 952         // set up the feedback mechanism
 953         setPreHandler(dialog_->browser_all);
 954         setPreHandler(dialog_->button_delete);
 955         setPreHandler(dialog_->button_add);
 956         setPreHandler(dialog_->input_converter);
 957         setPreHandler(dialog_->choice_from);
 958         setPreHandler(dialog_->choice_to);
 959         setPreHandler(dialog_->input_flags);
 960 }
 961
 962
 963 string const
 964 FormPreferences::Converters::feedback(FL_OBJECT const * const ob) const
 965 {
 966         string str;
 967
 968         if (ob == dialog_->browser_all) {
 969                 str = N_("All the currently defined converters known to LyX.");
 970         } else if (ob == dialog_->choice_from) {
 971                 str = N_("Convert \"from\" this format");
 972         } else if (ob == dialog_->choice_to) {
 973                 str = N_("Convert \"to\" this format");
 974         } else if (ob == dialog_->input_converter) {
 975                 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.");
 976         } else if (ob == dialog_->input_flags) {
 977                 str = N_("Flags that control the converter behavior");
 978         } else if (ob == dialog_->button_delete) {
 979                 str = N_("Remove the current converter from the list of available converters. Note: you must then \"Apply\" the change.");
 980         } else if (ob == dialog_->button_add) {
 981                 if (string(ob->label) == _("Add"))
 982                         str = N_("Add the current converter to the list of available converters. Note: you must then \"Apply\" the change.");
 983                 else
 984                         str = N_("Modify the contents of the current converter. Note: you must then \"Apply\" the change.");
 985         }
 986
 987         return str;
 988 }
 989
 990
 991 bool FormPreferences::Converters::input(FL_OBJECT const * const ob)
 992 {
 993         if (ob == dialog_->browser_all) {
 994                 return Browser();
 995
 996         } else if (ob == dialog_->choice_from
 997                    || ob == dialog_->choice_to
 998                    || ob == dialog_->input_converter
 999                    || ob == dialog_->input_flags) {
1000                 return Input();
1001
1002         } else if (ob == dialog_->button_add) {
1003                 return Add();
1004
1005         } else if (ob == dialog_->button_delete) {
1006                 return erase();
1007         }
1008
1009         return true;
1010 }
1011
1012
1013 void FormPreferences::Converters::update()
1014 {
1015         local_converters = converters;
1016         local_converters.update(local_formats);
1017         UpdateBrowser();
1018 }
1019
1020
1021 void FormPreferences::Converters::UpdateBrowser()
1022 {
1023         local_converters.sort();
1024
1025         fl_freeze_form(dialog_->form);
1026         fl_clear_browser(dialog_->browser_all);
1027         for (::Converters::const_iterator cit = local_converters.begin();
1028              cit != local_converters.end(); ++cit) {
1029                 string const name = cit->From->prettyname() + " -> "
1030                         + cit->To->prettyname();
1031                 fl_addto_browser(dialog_->browser_all, name.c_str());
1032         }
1033         Input();
1034         fl_unfreeze_form(dialog_->form);
1035 }
1036
1037
1038 bool FormPreferences::Converters::Add()
1039 {
1040         string const from = GetFrom();
1041         string const to = GetTo();
1042         string const command = fl_get_input(dialog_->input_converter);
1043         string const flags = fl_get_input(dialog_->input_flags);
1044
1045         Converter const * old = local_converters.getConverter(from, to);
1046         local_converters.add(from, to, command, flags);
1047         if (!old) {
1048                 local_converters.updateLast(local_formats);
1049                 UpdateBrowser();
1050         }
1051         setEnabled(dialog_->button_add, false);
1052
1053         return true;
1054 }
1055
1056
1057 bool FormPreferences::Converters::Browser()
1058 {
1059         int const i = fl_get_browser(dialog_->browser_all);
1060         if (i <= 0) return false;
1061
1062         fl_freeze_form(dialog_->form);
1063
1064         Converter const & c = local_converters.get(i - 1);
1065         int j = local_formats.getNumber(c.from);
1066         if (j >= 0)
1067                 fl_set_choice(dialog_->choice_from, j + 1);
1068
1069         j = local_formats.getNumber(c.to);
1070         if (j >= 0)
1071                 fl_set_choice(dialog_->choice_to, j + 1);
1072
1073         fl_set_input(dialog_->input_converter, c.command.c_str());
1074         fl_set_input(dialog_->input_flags, c.flags.c_str());
1075
1076         fl_set_object_label(dialog_->button_add, idex(_("Modify|#M")));
1077         fl_set_button_shortcut(dialog_->button_add, scex(_("Modify|#M")), 1);
1078
1079         setEnabled(dialog_->button_add,    false);
1080         setEnabled(dialog_->button_delete, true);
1081
1082         fl_unfreeze_form(dialog_->form);
1083         return false;
1084 }
1085
1086
1087 bool FormPreferences::Converters::erase()
1088 {
1089         string const from = GetFrom();
1090         string const to = GetTo();
1091
1092         local_converters.erase(from, to);
1093         UpdateBrowser();
1094         return true;
1095 }
1096
1097
1098 bool FormPreferences::Converters::Input()
1099 {
1100         string const from = GetFrom();
1101         string const to = GetTo();
1102         int const sel = local_converters.getNumber(from, to);
1103
1104         fl_freeze_form(dialog_->form);
1105
1106         if (sel < 0) {
1107                 fl_set_object_label(dialog_->button_add, idex(_("Add|#A")));
1108                 fl_set_button_shortcut(dialog_->button_add,
1109                                        scex(_("Add|#A")), 1);
1110
1111                 fl_deselect_browser(dialog_->browser_all);
1112                 setEnabled(dialog_->button_delete, false);
1113
1114         } else {
1115                 fl_set_object_label(dialog_->button_add, idex(_("Modify|#M")));
1116                 fl_set_button_shortcut(dialog_->button_add,
1117                                         scex(_("Modify|#M")), 1);
1118
1119                 int top = max(sel-5, 0);
1120                 fl_set_browser_topline(dialog_->browser_all, top);
1121                 fl_select_browser_line(dialog_->browser_all, sel+1);
1122                 setEnabled(dialog_->button_delete, true);
1123         }
1124
1125         string const command = strip(fl_get_input(dialog_->input_converter));
1126         bool const enable = !(command.empty() || from == to);
1127         setEnabled(dialog_->button_add, enable);
1128
1129         fl_unfreeze_form(dialog_->form);
1130         return false;
1131 }
1132
1133
1134 string const FormPreferences::Converters::GetFrom() const
1135 {
1136         ::Formats::FormatList::size_type const i =
1137                 fl_get_choice(dialog_->choice_from);
1138
1139         if (i > 0 && i <= local_formats.size())
1140                 return local_formats.get(i - 1).name();
1141         else {
1142                 lyxerr << "FormPreferences::Converters::GetFrom: No choice!"
1143                        << endl;
1144                 return "???";
1145         }
1146 }
1147
1148
1149 string const FormPreferences::Converters::GetTo() const
1150 {
1151         ::Formats::FormatList::size_type const i =
1152                 fl_get_choice(dialog_->choice_to);
1153
1154         if (i > 0 && i <= local_formats.size())
1155                 return local_formats.get(i - 1).name();
1156         else {
1157                 lyxerr << "FormPreferences::Converters::GetTo: No choice!"
1158                        << endl;
1159                 return "???";
1160         }
1161 }
1162
1163
1164 void FormPreferences::Converters::UpdateChoices() const
1165 {
1166         string choice;
1167         for (::Formats::const_iterator cit = local_formats.begin();
1168              cit != local_formats.end(); ++cit) {
1169                 if (!choice.empty())
1170                         choice += " | ";
1171                 else
1172                         choice += " ";
1173                 choice += cit->prettyname();
1174         }
1175         choice += " ";
1176
1177         fl_clear_choice(dialog_->choice_from);
1178         fl_addto_choice(dialog_->choice_from, choice.c_str());
1179
1180         fl_clear_choice(dialog_->choice_to);
1181         fl_addto_choice(dialog_->choice_to, choice.c_str());
1182 }
1183
1184
1185 FormPreferences::Formats::Formats( FormPreferences &  p )
1186         : parent_(p)
1187 {}
1188
1189
1190 FD_form_formats const * FormPreferences::Formats::dialog()
1191 {
1192         return dialog_.get();
1193 }
1194
1195
1196 void FormPreferences::Formats::apply() const
1197 {
1198         formats = local_formats;
1199 }
1200
1201
1202 void FormPreferences::Formats::build()
1203 {
1204         dialog_.reset(parent_.build_formats());
1205
1206         fl_set_input_return(dialog_->input_format, FL_RETURN_CHANGED);
1207         fl_set_input_return(dialog_->input_viewer, FL_RETURN_CHANGED);
1208         fl_set_input_return(dialog_->input_shrtcut, FL_RETURN_CHANGED);
1209         fl_set_input_return(dialog_->input_gui_name, FL_RETURN_CHANGED);
1210         fl_set_input_return(dialog_->input_extension, FL_RETURN_CHANGED);
1211
1212         fl_set_input_filter(dialog_->input_format, fl_lowercase_filter);
1213
1214         // set up the feedback mechanism
1215         setPreHandler(dialog_->browser_all);
1216         setPreHandler(dialog_->input_format);
1217         setPreHandler(dialog_->input_gui_name);
1218         setPreHandler(dialog_->button_delete);
1219         setPreHandler(dialog_->button_add);
1220         setPreHandler(dialog_->input_extension);
1221         setPreHandler(dialog_->input_viewer);
1222         setPreHandler(dialog_->input_shrtcut);
1223 }
1224
1225
1226 string const
1227 FormPreferences::Formats::feedback(FL_OBJECT const * const ob) const
1228 {
1229         string str;
1230
1231         if (ob == dialog_->browser_all) {
1232                 str = N_("All the currently defined formats known to LyX.");
1233         } else if (ob == dialog_->input_format) {
1234                 str = N_("The format identifier.");
1235         } else if (ob == dialog_->input_gui_name) {
1236                 str = N_("The format name as it will appear in the menus.");
1237         } else if (ob == dialog_->input_shrtcut) {
1238                 str = N_("The keyboard accelerator. Use a letter in the GUI name. Case sensitive.");
1239         } else if (ob == dialog_->input_extension) {
1240                 str = N_("Used to recognize the file. E.g., ps, pdf, tex.");
1241         } else if (ob == dialog_->input_viewer) {
1242                 str = N_("The command used to launch the viewer application.");
1243         } else if (ob == dialog_->button_delete) {
1244                 str = N_("Remove the current format from the list of available formats. Note: you must then \"Apply\" the change.");
1245         } else if (ob == dialog_->button_add) {
1246                 if (string(ob->label) == _("Add"))
1247                         str = N_("Add the current format to the list of available formats. Note: you must then \"Apply\" the change.");
1248                 else
1249                         str = N_("Modify the contents of the current format. Note: you must then \"Apply\" the change.");
1250         }
1251
1252         return str;
1253 }
1254
1255
1256 bool FormPreferences::Formats::input(FL_OBJECT const * const ob)
1257 {
1258         if (ob == dialog_->browser_all) {
1259                 return Browser();
1260
1261         } else if (ob == dialog_->input_format
1262                    || ob == dialog_->input_gui_name
1263                    || ob == dialog_->input_shrtcut
1264                    || ob == dialog_->input_extension
1265                    || ob == dialog_->input_viewer) {
1266                 return Input();
1267
1268         } else if (ob == dialog_->button_add) {
1269                 return Add();
1270
1271         } else if (ob == dialog_->button_delete) {
1272                 return erase();
1273         }
1274
1275         return false;
1276 }
1277
1278
1279 void FormPreferences::Formats::update()
1280 {
1281         local_formats = formats;
1282         UpdateBrowser();
1283 }
1284
1285
1286 void FormPreferences::Formats::UpdateBrowser()
1287 {
1288         local_formats.sort();
1289
1290         fl_freeze_form(dialog_->form);
1291         fl_deselect_browser(dialog_->browser_all);
1292         fl_clear_browser(dialog_->browser_all);
1293         for (::Formats::const_iterator cit = local_formats.begin();
1294              cit != local_formats.end(); ++cit)
1295                 fl_addto_browser(dialog_->browser_all,
1296                                  cit->prettyname().c_str());
1297
1298         Input();
1299         fl_unfreeze_form(dialog_->form);
1300
1301         // Mustn't forget to update the Formats available to the converters_
1302         parent_.converters_.UpdateChoices();
1303         local_converters.update(local_formats);
1304 }
1305
1306
1307 bool FormPreferences::Formats::Add()
1308 {
1309         string const name = fl_get_input(dialog_->input_format);
1310         string const prettyname = fl_get_input(dialog_->input_gui_name);
1311         string const extension = fl_get_input(dialog_->input_extension);
1312         string const shortcut =  fl_get_input(dialog_->input_shrtcut);
1313         string const viewer =  fl_get_input(dialog_->input_viewer);
1314
1315         Format const * old = local_formats.getFormat(name);
1316         string const old_prettyname = old ? old->prettyname() : string();
1317         local_formats.add(name, extension, prettyname, shortcut);
1318         local_formats.setViewer(name, viewer);
1319         if (!old || prettyname != old_prettyname) {
1320                 UpdateBrowser();
1321                 if (old)
1322                         parent_.converters_.UpdateBrowser();
1323         }
1324         setEnabled(dialog_->button_add, false);
1325
1326         return true;
1327 }
1328
1329
1330 bool FormPreferences::Formats::Browser()
1331 {
1332         int const i = fl_get_browser(dialog_->browser_all);
1333         if (i <= 0) return false;
1334
1335         fl_freeze_form(dialog_->form);
1336
1337         Format const & f = local_formats.get(i - 1);
1338
1339         fl_set_input(dialog_->input_format, f.name().c_str());
1340         fl_set_input(dialog_->input_gui_name, f.prettyname().c_str());
1341         fl_set_input(dialog_->input_shrtcut, f.shortcut().c_str());
1342         fl_set_input(dialog_->input_extension, f.extension().c_str());
1343         fl_set_input(dialog_->input_viewer, f.viewer().c_str());
1344
1345         fl_set_object_label(dialog_->button_add, idex(_("Modify|#M")));
1346         fl_set_button_shortcut(dialog_->button_add, scex(_("Modify|#M")), 1);
1347
1348         setEnabled(dialog_->button_add,    false);
1349         setEnabled(dialog_->button_delete, true);
1350
1351         fl_unfreeze_form(dialog_->form);
1352         return false;
1353 }
1354
1355
1356 bool FormPreferences::Formats::erase()
1357 {
1358         string const name = fl_get_input(dialog_->input_format);
1359
1360         if (local_converters.formatIsUsed(name)) {
1361                 parent_.printWarning(_("Cannot remove a Format used by a Converter. Remove the converter first."));
1362                 setEnabled(dialog_->button_delete, false);
1363                 return false;
1364         }
1365
1366         local_formats.erase(name);
1367         UpdateBrowser();
1368         return true;
1369 }
1370
1371
1372 bool FormPreferences::Formats::Input()
1373 {
1374         string const name = fl_get_input(dialog_->input_format);
1375         int const sel = local_formats.getNumber(name);
1376         fl_freeze_form(dialog_->form);
1377
1378         if (sel < 0) {
1379                 fl_set_object_label(dialog_->button_add,
1380                                      idex(_("Add|#A")));
1381                 fl_set_button_shortcut(dialog_->button_add,
1382                                         scex(_("Add|#A")), 1);
1383
1384                 fl_deselect_browser(dialog_->browser_all);
1385                 setEnabled(dialog_->button_delete, false);
1386
1387         } else {
1388                 fl_set_object_label(dialog_->button_add,
1389                                      idex(_("Modify|#M")));
1390                 fl_set_button_shortcut(dialog_->button_add,
1391                                         scex(_("Modify|#M")), 1);
1392
1393                 int const top = max(sel-5, 0);
1394                 fl_set_browser_topline(dialog_->browser_all, top);
1395                 fl_select_browser_line(dialog_->browser_all, sel+1);
1396
1397                 setEnabled(dialog_->button_add, true);
1398                 setEnabled(dialog_->button_delete, true);
1399         }
1400
1401         string const prettyname = fl_get_input(dialog_->input_gui_name);
1402         bool const enable = !(name.empty() || prettyname.empty());
1403         setEnabled(dialog_->button_add, enable);
1404
1405         fl_unfreeze_form(dialog_->form);
1406         return false;
1407 }
1408
1409
1410 FormPreferences::InputsMisc::InputsMisc( FormPreferences &  p )
1411         : parent_(p)
1412 {}
1413
1414
1415 FD_form_inputs_misc const * FormPreferences::InputsMisc::dialog()
1416 {
1417         return dialog_.get();
1418 }
1419
1420
1421 void FormPreferences::InputsMisc::apply() const
1422 {
1423         lyxrc.date_insert_format =
1424                 fl_get_input(dialog_->input_date_format);
1425 }
1426
1427
1428 void FormPreferences::InputsMisc::build()
1429 {
1430         dialog_.reset(parent_.build_inputs_misc());
1431
1432         fl_set_input_return(dialog_->input_date_format, FL_RETURN_CHANGED);
1433
1434         // set up the feedback mechanism
1435         setPreHandler(dialog_->input_date_format);
1436 }
1437
1438
1439 string const
1440 FormPreferences::InputsMisc::feedback(FL_OBJECT const * const ob) const
1441 {
1442         string str;
1443
1444         if (ob == dialog_->input_date_format)
1445                 str = lyxrc.getDescription(LyXRC::RC_DATE_INSERT_FORMAT);
1446
1447         return str;
1448 }
1449
1450
1451 void FormPreferences::InputsMisc::update()
1452 {
1453         fl_set_input(dialog_->input_date_format,
1454                      lyxrc.date_insert_format.c_str());
1455 }
1456
1457
1458 FormPreferences::Interface::Interface( FormPreferences &  p )
1459         : parent_(p)
1460 {}
1461
1462
1463 FD_form_interface const * FormPreferences::Interface::dialog()
1464 {
1465         return dialog_.get();
1466 }
1467
1468
1469 void FormPreferences::Interface::apply() const
1470 {
1471         lyxrc.popup_normal_font =
1472                 fl_get_input(dialog_->input_popup_normal_font);
1473         lyxrc.popup_bold_font = fl_get_input(dialog_->input_popup_bold_font);
1474         lyxrc.popup_font_encoding =
1475                 fl_get_input(dialog_->input_popup_font_encoding);
1476         lyxrc.bind_file = fl_get_input(dialog_->input_bind_file);
1477         lyxrc.ui_file = fl_get_input(dialog_->input_ui_file);
1478         lyxrc.override_x_deadkeys =
1479                 fl_get_button(dialog_->check_override_x_dead_keys);
1480 }
1481
1482
1483 void FormPreferences::Interface::build()
1484 {
1485         dialog_.reset(parent_.build_interface());
1486
1487         fl_set_input_return(dialog_->input_popup_normal_font, FL_RETURN_CHANGED);
1488         fl_set_input_return(dialog_->input_popup_bold_font, FL_RETURN_CHANGED);
1489         fl_set_input_return(dialog_->input_popup_font_encoding, FL_RETURN_CHANGED);
1490         fl_set_input_return(dialog_->input_bind_file, FL_RETURN_CHANGED);
1491         fl_set_input_return(dialog_->input_ui_file, FL_RETURN_CHANGED);
1492
1493         // set up the feedback mechanism
1494         setPreHandler(dialog_->input_popup_normal_font);
1495         setPreHandler(dialog_->input_popup_bold_font);
1496         setPreHandler(dialog_->input_popup_font_encoding);
1497         setPreHandler(dialog_->input_bind_file);
1498         setPreHandler(dialog_->button_bind_file_browse);
1499         setPreHandler(dialog_->input_ui_file);
1500         setPreHandler(dialog_->button_ui_file_browse);
1501         setPreHandler(dialog_->check_override_x_dead_keys);
1502 }
1503
1504
1505 string const
1506 FormPreferences::Interface::feedback(FL_OBJECT const * const ob) const
1507 {
1508         string str;
1509
1510         if (ob == dialog_->input_popup_normal_font)
1511                 str = lyxrc.getDescription(LyXRC::RC_POPUP_NORMAL_FONT);
1512         else if (ob == dialog_->input_popup_bold_font)
1513                 str = lyxrc.getDescription(LyXRC::RC_POPUP_BOLD_FONT);
1514         else if (ob == dialog_->input_popup_font_encoding)
1515                 str = lyxrc.getDescription(LyXRC::RC_POPUP_FONT_ENCODING);
1516         else if (ob == dialog_->input_bind_file)
1517                 str = lyxrc.getDescription(LyXRC::RC_BINDFILE);
1518         else if (ob == dialog_->input_ui_file)
1519                 str = lyxrc.getDescription(LyXRC::RC_UIFILE);
1520         else if (ob == dialog_->check_override_x_dead_keys)
1521                 str = lyxrc.getDescription(LyXRC::RC_OVERRIDE_X_DEADKEYS);
1522
1523         return str;
1524 }
1525
1526
1527 bool FormPreferences::Interface::input(FL_OBJECT const * const ob)
1528 {
1529         if (ob == dialog_->button_bind_file_browse) {
1530                 string dir  = AddName(system_lyxdir, "bind");
1531                 string name = N_("Sys Bind|#S#s");
1532                 pair<string,string> dir1(name, dir);
1533
1534                 dir = AddName(user_lyxdir, "bind");
1535                 name = N_("User Bind|#U#u");
1536                 pair<string,string> dir2(name, dir);
1537
1538                 parent_.browse(dialog_->input_bind_file,
1539                                N_("Bind file"), "*.bind", dir1, dir2);
1540
1541         } else if (ob == dialog_->button_ui_file_browse) {
1542                 string dir  = AddName(system_lyxdir, "ui");
1543                 string name = N_("Sys UI|#S#s");
1544                 pair<string,string> dir1(name, dir);
1545
1546                 dir = AddName(user_lyxdir, "ui");
1547                 name = N_("User UI|#U#u");
1548                 pair<string,string> dir2(name, dir);
1549
1550                 parent_.browse(dialog_->input_ui_file,
1551                                N_("UI file"), "*.ui", dir1, dir2);
1552         }
1553
1554         return true;
1555 }
1556
1557
1558 void FormPreferences::Interface::update()
1559 {
1560         fl_set_input(dialog_->input_popup_normal_font,
1561                      lyxrc.popup_normal_font.c_str());
1562         fl_set_input(dialog_->input_popup_bold_font,
1563                      lyxrc.popup_bold_font.c_str());
1564         fl_set_input(dialog_->input_popup_font_encoding,
1565                      lyxrc.popup_font_encoding.c_str());
1566         fl_set_input(dialog_->input_bind_file,
1567                      lyxrc.bind_file.c_str());
1568         fl_set_input(dialog_->input_ui_file,
1569                      lyxrc.ui_file.c_str());
1570         fl_set_button(dialog_->check_override_x_dead_keys,
1571                       lyxrc.override_x_deadkeys);
1572 }
1573
1574
1575 FormPreferences::Language::Language( FormPreferences &  p )
1576         : parent_(p)
1577 {}
1578
1579
1580 FD_form_language const * FormPreferences::Language::dialog()
1581 {
1582         return dialog_.get();
1583 }
1584
1585
1586 void FormPreferences::Language::apply()
1587 {
1588         lyxrc.default_language = combo_default_lang->getline();
1589
1590         int button = fl_get_button(dialog_->check_use_kbmap);
1591         string const name_1 = fl_get_input(dialog_->input_kbmap1);
1592         string const name_2 = fl_get_input(dialog_->input_kbmap2);
1593         if (button)
1594                 button = !(name_1.empty() && name_2.empty());
1595         lyxrc.use_kbmap = static_cast<bool>(button);
1596
1597         if (lyxrc.use_kbmap) {
1598                 lyxrc.primary_kbmap = name_1;
1599                 lyxrc.secondary_kbmap = name_2;
1600         }
1601
1602         button = fl_get_button(dialog_->check_rtl_support);
1603         lyxrc.rtl_support = static_cast<bool>(button);
1604
1605         button = fl_get_button(dialog_->check_mark_foreign);
1606         lyxrc.mark_foreign_language = static_cast<bool>(button);
1607
1608         button = fl_get_button(dialog_->check_auto_begin);
1609         lyxrc.language_auto_begin = static_cast<bool>(button);
1610
1611         button = fl_get_button(dialog_->check_auto_end);
1612         lyxrc.language_auto_end = static_cast<bool>(button);
1613
1614         button = fl_get_button(dialog_->check_use_babel);
1615         lyxrc.language_use_babel = static_cast<bool>(button);
1616
1617         button = fl_get_button(dialog_->check_global_options);
1618         lyxrc.language_global_options = static_cast<bool>(button);
1619
1620         lyxrc.language_package = fl_get_input(dialog_->input_package);
1621         lyxrc.language_command_begin = fl_get_input(dialog_->input_command_begin);
1622         lyxrc.language_command_end = fl_get_input(dialog_->input_command_end);
1623
1624         // Ensure that all is self-consistent.
1625         update();
1626 }
1627
1628
1629 void FormPreferences::Language::build()
1630 {
1631         dialog_.reset(parent_.build_language());
1632
1633         fl_set_input_return(dialog_->input_package, FL_RETURN_CHANGED);
1634         fl_set_input_return(dialog_->input_command_begin, FL_RETURN_CHANGED);
1635         fl_set_input_return(dialog_->input_command_end, FL_RETURN_CHANGED);
1636
1637         // The default_language is a combo-box and has to be inserted manually
1638         fl_freeze_form(dialog_->form);
1639         fl_addto_form(dialog_->form);
1640
1641         FL_OBJECT * obj = dialog_->choice_default_lang;
1642         fl_deactivate_object(dialog_->choice_default_lang);
1643         combo_default_lang.reset(new Combox(FL_COMBOX_DROPLIST));
1644         combo_default_lang->add(obj->x, obj->y, obj->w, obj->h, 400,
1645                                 parent_.lang_opts_tab_->tabfolder_outer,
1646                                 parent_.dialog_->tabfolder_prefs);
1647         combo_default_lang->shortcut("#L",1);
1648         combo_default_lang->setcallback(ComboCB, &parent_);
1649
1650         for (Languages::const_iterator cit = languages.begin();
1651             cit != languages.end(); ++cit) {
1652                 combo_default_lang->addto(cit->second.lang());
1653         }
1654
1655         fl_end_form();
1656         fl_unfreeze_form(dialog_->form);
1657
1658         // set up the feedback mechanism
1659         setPreHandler(dialog_->input_package);
1660         setPreHandler(dialog_->check_use_kbmap);
1661
1662         // This is safe, as nothing is done to the pointer, other than
1663         // to use its address in a block-if statement.
1664         // No it's not! Leads to crash.
1665         // setPreHandler(
1666         //              reinterpret_cast<FL_OBJECT *>(combo_default_lang),
1667         //              C_FormPreferencesFeedbackCB);
1668
1669         setPreHandler(dialog_->input_kbmap1);
1670         setPreHandler(dialog_->input_kbmap2);
1671         setPreHandler(dialog_->check_rtl_support);
1672         setPreHandler(dialog_->check_mark_foreign);
1673         setPreHandler(dialog_->check_auto_begin);
1674         setPreHandler(dialog_->check_auto_end);
1675         setPreHandler(dialog_->check_use_babel);
1676         setPreHandler(dialog_->check_global_options);
1677         setPreHandler(dialog_->input_command_begin);
1678         setPreHandler(dialog_->input_command_end);
1679
1680         // Activate/Deactivate the input fields dependent on the state of the
1681         // buttons.
1682         input(0);
1683 }
1684
1685
1686 string const
1687 FormPreferences::Language::feedback(FL_OBJECT const * const ob) const
1688 {
1689         string str;
1690
1691         if (reinterpret_cast<Combox const *>(ob) == combo_default_lang.get())
1692                 str = lyxrc.getDescription(LyXRC::RC_DEFAULT_LANGUAGE);
1693         else if (ob == dialog_->check_use_kbmap)
1694                 str = lyxrc.getDescription(LyXRC::RC_KBMAP);
1695         else if (ob == dialog_->input_kbmap1)
1696                 str = lyxrc.getDescription(LyXRC::RC_KBMAP_PRIMARY);
1697         else if (ob == dialog_->input_kbmap2)
1698                 str = lyxrc.getDescription(LyXRC::RC_KBMAP_SECONDARY);
1699         else if (ob == dialog_->check_rtl_support)
1700                 str = lyxrc.getDescription(LyXRC::RC_RTL_SUPPORT);
1701         else if (ob == dialog_->check_mark_foreign)
1702                 str = lyxrc.getDescription(LyXRC::RC_MARK_FOREIGN_LANGUAGE);
1703         else if (ob == dialog_->check_auto_begin)
1704                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_AUTO_BEGIN);
1705         else if (ob == dialog_->check_auto_end)
1706                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_AUTO_END);
1707         else if (ob == dialog_->check_use_babel)
1708                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_USE_BABEL);
1709         else if (ob == dialog_->check_global_options)
1710                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_GLOBAL_OPTIONS);
1711         else if (ob == dialog_->input_package)
1712                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_PACKAGE);
1713         else if (ob == dialog_->input_command_begin)
1714                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_COMMAND_BEGIN);
1715         else if (ob == dialog_->input_command_end)
1716                 str = lyxrc.getDescription(LyXRC::RC_LANGUAGE_COMMAND_END);
1717
1718         return str;
1719 }
1720
1721
1722 bool FormPreferences::Language::input(FL_OBJECT const * const ob)
1723 {
1724         bool activate = true;
1725
1726         // !ob if function is called from Language::build() to de/activate
1727         // objects,
1728         // otherwise the function is called by an xforms CB via input().
1729         if (!ob || ob == dialog_->check_use_kbmap) {
1730                 bool const enable = fl_get_button(dialog_->check_use_kbmap);
1731                 setEnabled(dialog_->button_kbmap1_browse, enable);
1732                 setEnabled(dialog_->button_kbmap2_browse, enable);
1733                 setEnabled(dialog_->input_kbmap1, enable);
1734                 setEnabled(dialog_->input_kbmap2, enable);
1735         }
1736
1737         if (ob == dialog_->button_kbmap1_browse) {
1738                 string const dir  = AddName(system_lyxdir, "kbd");
1739                 string const name = N_("Key maps|#K#k");
1740                 pair<string, string> dir1(name, dir);
1741
1742                 parent_.browse(dialog_->input_kbmap1,
1743                                N_("Keyboard map"), "*.kmap", dir1);
1744         } else if (ob == dialog_->button_kbmap2_browse) {
1745                 string const dir  = AddName(system_lyxdir, "kbd");
1746                 string const name = N_("Key maps|#K#k");
1747                 pair<string, string> dir1(name, dir);
1748
1749                 parent_.browse(dialog_->input_kbmap2,
1750                                N_("Keyboard map"), "*.kmap", dir1);
1751         }
1752
1753         return activate;
1754 }
1755
1756
1757 void FormPreferences::Language::update()
1758 {
1759         fl_set_button(dialog_->check_use_kbmap,
1760                       lyxrc.use_kbmap);
1761
1762         combo_default_lang->select(lyxrc.default_language);
1763
1764         if (lyxrc.use_kbmap) {
1765                 fl_set_input(dialog_->input_kbmap1,
1766                              lyxrc.primary_kbmap.c_str());
1767                 fl_set_input(dialog_->input_kbmap2,
1768                              lyxrc.secondary_kbmap.c_str());
1769         } else {
1770                 fl_set_input(dialog_->input_kbmap1, "");
1771                 fl_set_input(dialog_->input_kbmap2, "");
1772         }
1773
1774         fl_set_button(dialog_->check_rtl_support, lyxrc.rtl_support);
1775         fl_set_button(dialog_->check_mark_foreign,
1776                       lyxrc.mark_foreign_language);
1777         fl_set_button(dialog_->check_auto_begin, lyxrc.language_auto_begin);
1778         fl_set_button(dialog_->check_auto_end, lyxrc.language_auto_end);
1779         fl_set_button(dialog_->check_use_babel, lyxrc.language_use_babel);
1780         fl_set_button(dialog_->check_global_options,
1781                       lyxrc.language_global_options);
1782
1783         fl_set_input(dialog_->input_package,
1784                      lyxrc.language_package.c_str());
1785         fl_set_input(dialog_->input_command_begin,
1786                      lyxrc.language_command_begin.c_str());
1787         fl_set_input(dialog_->input_command_end,
1788                      lyxrc.language_command_end.c_str());
1789
1790         // Activate/Deactivate the input fields dependent on the state of the
1791         // buttons.
1792         input(0);
1793 }
1794
1795
1796 void FormPreferences::Language::ComboCB(int, void * v, Combox * combox)
1797 {
1798     FormPreferences * pre = static_cast<FormPreferences*>(v);
1799     // This is safe, as nothing is done to the pointer, other than
1800     // to use its address in a block-if statement.
1801     pre->bc().valid(pre->input(reinterpret_cast<FL_OBJECT *>(combox), 0));
1802 }
1803
1804
1805 FormPreferences::LnFmisc::LnFmisc( FormPreferences &  p )
1806         : parent_(p)
1807 {}
1808
1809
1810 FD_form_lnf_misc const * FormPreferences::LnFmisc::dialog()
1811 {
1812         return dialog_.get();
1813 }
1814
1815
1816 void FormPreferences::LnFmisc::apply() const
1817 {
1818         lyxrc.show_banner = fl_get_button(dialog_->check_banner);
1819         lyxrc.auto_region_delete =
1820                 fl_get_button(dialog_->check_auto_region_delete);
1821         lyxrc.exit_confirmation = fl_get_button(dialog_->check_exit_confirm);
1822         lyxrc.display_shortcuts =
1823                 fl_get_button(dialog_->check_display_shrtcuts);
1824         lyxrc.new_ask_filename = fl_get_button(dialog_->check_ask_new_file);
1825         lyxrc.cursor_follows_scrollbar =
1826                 fl_get_button(dialog_->check_cursor_follows_scrollbar);
1827         lyxrc.dialogs_iconify_with_main =
1828                 fl_get_button(dialog_->check_dialogs_iconify_with_main);
1829         lyxrc.autosave = static_cast<unsigned int>
1830                 (fl_get_counter_value(dialog_->counter_autosave));
1831         lyxrc.wheel_jump = static_cast<unsigned int>
1832                 (fl_get_counter_value(dialog_->counter_wm_jump));
1833
1834         if (fl_get_button(dialog_->radio_display_monochrome)) {
1835                 lyxrc.display_graphics = "mono";
1836         } else if (fl_get_button(dialog_->radio_display_grayscale)) {
1837                 lyxrc.display_graphics = "gray";
1838         } else if (fl_get_button(dialog_->radio_display_color)) {
1839                 lyxrc.display_graphics = "color";
1840         } else {
1841                 lyxrc.display_graphics = "no";
1842         }
1843 }
1844
1845
1846 void FormPreferences::LnFmisc::build()
1847 {
1848         dialog_.reset(parent_.build_lnf_misc());
1849
1850         fl_set_counter_step(dialog_->counter_autosave, 1, 10);
1851         fl_set_counter_step(dialog_->counter_wm_jump, 1, 10);
1852
1853         fl_set_counter_return(dialog_->counter_autosave, FL_RETURN_CHANGED);
1854         fl_set_counter_return(dialog_->counter_wm_jump, FL_RETURN_CHANGED);
1855
1856         // set up the feedback mechanism
1857         setPreHandler(dialog_->check_banner);
1858         setPreHandler(dialog_->check_auto_region_delete);
1859         setPreHandler(dialog_->check_exit_confirm);
1860         setPreHandler(dialog_->check_display_shrtcuts);
1861         setPreHandler(dialog_->counter_autosave);
1862         setPreHandler(dialog_->check_ask_new_file);
1863         setPreHandler(dialog_->check_cursor_follows_scrollbar);
1864         setPreHandler(dialog_->check_dialogs_iconify_with_main);
1865         setPreHandler(dialog_->counter_wm_jump);
1866         setPreHandler(dialog_->radio_display_monochrome);
1867         setPreHandler(dialog_->radio_display_grayscale);
1868         setPreHandler(dialog_->radio_display_color);
1869         setPreHandler(dialog_->radio_no_display);
1870 }
1871
1872
1873 string const
1874 FormPreferences::LnFmisc::feedback(FL_OBJECT const * const ob) const
1875 {
1876         string str;
1877
1878         if (ob == dialog_->check_banner)
1879                 str = lyxrc.getDescription(LyXRC::RC_SHOW_BANNER);
1880         else if (ob == dialog_->check_auto_region_delete)
1881                 str = lyxrc.getDescription(LyXRC::RC_AUTOREGIONDELETE);
1882         else if (ob == dialog_->check_exit_confirm)
1883                 str = lyxrc.getDescription(LyXRC::RC_EXIT_CONFIRMATION);
1884         else if (ob == dialog_->check_display_shrtcuts)
1885                 str = lyxrc.getDescription(LyXRC::RC_DISPLAY_SHORTCUTS);
1886         else if (ob == dialog_->check_ask_new_file)
1887                 str = lyxrc.getDescription(LyXRC::RC_NEW_ASK_FILENAME);
1888         else if (ob == dialog_->check_cursor_follows_scrollbar)
1889                 str = lyxrc.getDescription(LyXRC::RC_CURSOR_FOLLOWS_SCROLLBAR);
1890         else if (ob == dialog_->check_dialogs_iconify_with_main)
1891                 str = lyxrc.getDescription(LyXRC::RC_DIALOGS_ICONIFY_WITH_MAIN);
1892         else if (ob == dialog_->counter_autosave)
1893                 str = lyxrc.getDescription(LyXRC::RC_AUTOSAVE);
1894         else if (ob == dialog_->counter_wm_jump)
1895                 str = lyxrc.getDescription(LyXRC::RC_WHEEL_JUMP);
1896         else if (ob == dialog_->radio_display_monochrome ||
1897                  ob == dialog_->radio_display_grayscale ||
1898                  ob == dialog_->radio_display_color ||
1899                  ob == dialog_->radio_no_display)
1900                 str = lyxrc.getDescription(LyXRC::RC_DISPLAY_GRAPHICS);
1901
1902         return str;
1903 }
1904
1905
1906 void FormPreferences::LnFmisc::update()
1907 {
1908         fl_set_button(dialog_->check_banner, lyxrc.show_banner);
1909         fl_set_button(dialog_->check_auto_region_delete,
1910                       lyxrc.auto_region_delete);
1911         fl_set_button(dialog_->check_exit_confirm, lyxrc.exit_confirmation);
1912         fl_set_button(dialog_->check_display_shrtcuts, lyxrc.display_shortcuts);
1913         fl_set_button(dialog_->check_ask_new_file, lyxrc.new_ask_filename);
1914         fl_set_button(dialog_->check_cursor_follows_scrollbar,
1915                       lyxrc.cursor_follows_scrollbar);
1916         fl_set_button(dialog_->check_dialogs_iconify_with_main,
1917                       lyxrc.dialogs_iconify_with_main);
1918         fl_set_counter_value(dialog_->counter_autosave, lyxrc.autosave);
1919         fl_set_counter_value(dialog_->counter_wm_jump, lyxrc.wheel_jump);
1920
1921         if (lyxrc.display_graphics == "mono") {
1922                 fl_set_button(dialog_->radio_display_monochrome, 1);
1923         } else if (lyxrc.display_graphics == "gray") {
1924                 fl_set_button(dialog_->radio_display_grayscale, 1);
1925         } else if (lyxrc.display_graphics == "color") {
1926                 fl_set_button(dialog_->radio_display_color, 1);
1927         } else {
1928                 fl_set_button(dialog_->radio_no_display, 1);
1929         }
1930 }
1931
1932
1933 FormPreferences::OutputsMisc::OutputsMisc( FormPreferences &  p )
1934         : parent_(p)
1935 {}
1936
1937
1938 FD_form_outputs_misc const * FormPreferences::OutputsMisc::dialog()
1939 {
1940         return dialog_.get();
1941 }
1942
1943
1944 void FormPreferences::OutputsMisc::apply() const
1945 {
1946         lyxrc.ascii_linelen = static_cast<unsigned int>
1947                 (fl_get_counter_value(dialog_->counter_line_len));
1948         lyxrc.fontenc = fl_get_input(dialog_->input_tex_encoding);
1949
1950         int const choice =
1951                 fl_get_choice(dialog_->choice_default_papersize) - 1;
1952         lyxrc.default_papersize = static_cast<BufferParams::PAPER_SIZE>(choice);
1953
1954         lyxrc.ascii_roff_command = fl_get_input(dialog_->input_ascii_roff);
1955         lyxrc.chktex_command = fl_get_input(dialog_->input_checktex);
1956         lyxrc.view_dvi_paper_option = fl_get_input(dialog_->input_paperoption);
1957         lyxrc.auto_reset_options = fl_get_button(dialog_->check_autoreset_classopt);
1958 }
1959
1960
1961 void FormPreferences::OutputsMisc::build()
1962 {
1963         dialog_.reset(parent_.build_outputs_misc());
1964
1965         fl_set_counter_step(dialog_->counter_line_len, 1, 10);
1966
1967         fl_set_counter_return(dialog_->counter_line_len, FL_RETURN_CHANGED);
1968         fl_set_input_return(dialog_->input_tex_encoding, FL_RETURN_CHANGED);
1969         fl_set_input_return(dialog_->input_ascii_roff,   FL_RETURN_CHANGED);
1970         fl_set_input_return(dialog_->input_checktex,     FL_RETURN_CHANGED);
1971         fl_set_input_return(dialog_->input_paperoption,  FL_RETURN_CHANGED);
1972
1973         fl_addto_choice(dialog_->choice_default_papersize,
1974                         _(" default | US letter | legal | executive | A3 | A4 | A5 | B5 "));
1975
1976         // set up the feedback mechanism
1977         setPreHandler(dialog_->counter_line_len);
1978         setPreHandler(dialog_->input_tex_encoding);
1979         setPreHandler(dialog_->choice_default_papersize);
1980         setPreHandler(dialog_->input_ascii_roff);
1981         setPreHandler(dialog_->input_checktex);
1982         setPreHandler(dialog_->input_paperoption);
1983         setPreHandler(dialog_->check_autoreset_classopt);
1984 }
1985
1986
1987 string const
1988 FormPreferences::OutputsMisc::feedback(FL_OBJECT const * const ob) const
1989 {
1990         string str;
1991
1992         if (ob == dialog_->counter_line_len)
1993                 str = lyxrc.getDescription(LyXRC::RC_ASCII_LINELEN);
1994         else if (ob == dialog_->input_tex_encoding)
1995                 str = lyxrc.getDescription(LyXRC::RC_FONT_ENCODING);
1996         else if (ob == dialog_->input_ascii_roff)
1997                 str = lyxrc.getDescription(LyXRC::RC_ASCIIROFF_COMMAND);
1998         else if (ob == dialog_->input_checktex)
1999                 str = lyxrc.getDescription(LyXRC::RC_CHKTEX_COMMAND);
2000         else if (ob == dialog_->choice_default_papersize)
2001                 str = lyxrc.getDescription(LyXRC::RC_DEFAULT_PAPERSIZE);
2002         else if (ob == dialog_->input_paperoption)
2003                 str = lyxrc.getDescription(LyXRC::RC_VIEWDVI_PAPEROPTION);
2004         else if (ob == dialog_->check_autoreset_classopt)
2005                 str = lyxrc.getDescription(LyXRC::RC_AUTORESET_OPTIONS);
2006
2007         return str;
2008 }
2009
2010
2011 void FormPreferences::OutputsMisc::update()
2012 {
2013         fl_set_counter_value(dialog_->counter_line_len,
2014                              lyxrc.ascii_linelen);
2015         fl_set_input(dialog_->input_tex_encoding,
2016                      lyxrc.fontenc.c_str());
2017         fl_set_choice(dialog_->choice_default_papersize,
2018                       lyxrc.default_papersize+1);
2019         fl_set_input(dialog_->input_ascii_roff,
2020                      lyxrc.ascii_roff_command.c_str());
2021         fl_set_input(dialog_->input_checktex,
2022                      lyxrc.chktex_command.c_str());
2023         fl_set_input(dialog_->input_paperoption,
2024                      lyxrc.view_dvi_paper_option.c_str());
2025         fl_set_button(dialog_->check_autoreset_classopt,
2026                      lyxrc.auto_reset_options);
2027
2028 }
2029
2030
2031 FormPreferences::Paths::Paths( FormPreferences &  p )
2032         : parent_(p)
2033 {}
2034
2035
2036 FD_form_paths const * FormPreferences::Paths::dialog()
2037 {
2038         return dialog_.get();
2039 }
2040
2041
2042 void FormPreferences::Paths::apply()
2043 {
2044         lyxrc.document_path = fl_get_input(dialog_->input_default_path);
2045         lyxrc.template_path = fl_get_input(dialog_->input_template_path);
2046
2047         int button = fl_get_button(dialog_->check_use_temp_dir);
2048         string str  = fl_get_input(dialog_->input_temp_dir);
2049         if (!button) str.erase();
2050
2051         lyxrc.use_tempdir = button;
2052         lyxrc.tempdir_path = str;
2053
2054         button = fl_get_button(dialog_->check_last_files);
2055         str = fl_get_input(dialog_->input_lastfiles);
2056         if (!button) str.erase();
2057
2058         lyxrc.check_lastfiles = button;
2059         lyxrc.lastfiles = str;
2060         lyxrc.num_lastfiles = static_cast<unsigned int>
2061                 (fl_get_counter_value(dialog_->counter_lastfiles));
2062
2063         button = fl_get_button(dialog_->check_make_backups);
2064         str = fl_get_input(dialog_->input_backup_path);
2065         if (!button) str.erase();
2066
2067         lyxrc.make_backup = button;
2068         lyxrc.backupdir_path = str;
2069
2070         lyxrc.lyxpipes = fl_get_input(dialog_->input_serverpipe);
2071
2072         // update view
2073         update();
2074 }
2075
2076
2077 void FormPreferences::Paths::build()
2078 {
2079         dialog_.reset(parent_.build_paths());
2080
2081         fl_set_input_return(dialog_->input_default_path, FL_RETURN_CHANGED);
2082         fl_set_input_return(dialog_->input_template_path, FL_RETURN_CHANGED);
2083         fl_set_input_return(dialog_->input_temp_dir, FL_RETURN_CHANGED);
2084         fl_set_input_return(dialog_->input_lastfiles, FL_RETURN_CHANGED);
2085         fl_set_input_return(dialog_->input_backup_path, FL_RETURN_CHANGED);
2086         fl_set_counter_return(dialog_->counter_lastfiles, FL_RETURN_CHANGED);
2087         fl_set_input_return(dialog_->input_serverpipe, FL_RETURN_CHANGED);
2088
2089         // set up the feedback mechanism
2090         setPreHandler(dialog_->input_default_path);
2091         setPreHandler(dialog_->counter_lastfiles);
2092         setPreHandler(dialog_->input_template_path);
2093         setPreHandler(dialog_->check_last_files);
2094         setPreHandler(dialog_->input_lastfiles);
2095         setPreHandler(dialog_->check_make_backups);
2096         setPreHandler(dialog_->input_backup_path);
2097         setPreHandler(dialog_->input_serverpipe);
2098         setPreHandler(dialog_->input_temp_dir);
2099         setPreHandler(dialog_->check_use_temp_dir);
2100 }
2101
2102
2103 string const
2104 FormPreferences::Paths::feedback(FL_OBJECT const * const ob) const
2105 {
2106         string str;
2107
2108         if (ob == dialog_->input_default_path)
2109                 str = lyxrc.getDescription(LyXRC::RC_DOCUMENTPATH);
2110         else if (ob == dialog_->input_template_path)
2111                 str = lyxrc.getDescription(LyXRC::RC_TEMPLATEPATH);
2112         else if (ob == dialog_->check_use_temp_dir)
2113                 str = lyxrc.getDescription(LyXRC::RC_USETEMPDIR);
2114         else if (ob == dialog_->input_temp_dir)
2115                 str = lyxrc.getDescription(LyXRC::RC_TEMPDIRPATH);
2116         else if (ob == dialog_->check_last_files)
2117                 str = lyxrc.getDescription(LyXRC::RC_CHECKLASTFILES);
2118         else if (ob == dialog_->input_lastfiles)
2119                 str = lyxrc.getDescription(LyXRC::RC_LASTFILES);
2120         else if (ob == dialog_->counter_lastfiles)
2121                 str = lyxrc.getDescription(LyXRC::RC_NUMLASTFILES);
2122         else if (ob == dialog_->check_make_backups)
2123                 str = lyxrc.getDescription(LyXRC::RC_MAKE_BACKUP);
2124         else if (ob == dialog_->input_backup_path)
2125                 str = lyxrc.getDescription(LyXRC::RC_BACKUPDIR_PATH);
2126         else if (ob == dialog_->input_serverpipe) {
2127                 str = lyxrc.getDescription(LyXRC::RC_SERVERPIPE);
2128         }
2129
2130         return str;
2131 }
2132
2133
2134 bool FormPreferences::Paths::input(FL_OBJECT const * const ob)
2135 {
2136         bool activate = true;
2137
2138         // !ob if function is called from Paths::update() to de/activate
2139         // objects,
2140         // otherwise the function is called by an xforms CB via input().
2141         if (!ob || ob == dialog_->check_use_temp_dir) {
2142                 bool const enable = fl_get_button(dialog_->check_use_temp_dir);
2143                 setEnabled(dialog_->input_temp_dir, enable);
2144         }
2145
2146         if (!ob || ob == dialog_->check_last_files) {
2147                 bool const enable = fl_get_button(dialog_->check_last_files);
2148                 setEnabled(dialog_->input_lastfiles, enable);
2149         }
2150
2151         if (!ob || ob == dialog_->check_make_backups) {
2152                 bool const enable = fl_get_button(dialog_->check_make_backups);
2153                 setEnabled(dialog_->input_backup_path, enable);
2154         }
2155
2156         if (!ob || ob == dialog_->input_default_path) {
2157                 string const name = fl_get_input(dialog_->input_default_path);
2158                 if (!name.empty() && !RWInfo::WriteableDir(name)) {
2159                         parent_.printWarning(RWInfo::ErrorMessage());
2160                         return false;
2161                 }
2162         }
2163
2164         if (!ob || ob == dialog_->input_template_path) {
2165                 string const name = fl_get_input(dialog_->input_template_path);
2166                 if (!name.empty() && !RWInfo::ReadableDir(name)) {
2167                         parent_.printWarning(RWInfo::ErrorMessage());
2168                         return false;
2169                 }
2170         }
2171
2172         if (!ob || ob == dialog_->input_temp_dir) {
2173                 string const name = fl_get_input(dialog_->input_temp_dir);
2174                 if (fl_get_button(dialog_->check_make_backups)
2175                     && !name.empty()
2176                     && !RWInfo::WriteableDir(name)) {
2177                         parent_.printWarning(RWInfo::ErrorMessage());
2178                         return false;
2179                 }
2180         }
2181
2182         if (!ob || ob == dialog_->input_backup_path) {
2183                 string const name = fl_get_input(dialog_->input_backup_path);
2184                 if (fl_get_button(dialog_->check_make_backups)
2185                     && !name.empty()
2186                     && !RWInfo::WriteableDir(name)) {
2187                         parent_.printWarning(RWInfo::ErrorMessage());
2188                         return false;
2189                 }
2190         }
2191
2192         if (!ob || ob == dialog_->input_lastfiles) {
2193                 string const name = fl_get_input(dialog_->input_lastfiles);
2194                 if (fl_get_button(dialog_->check_last_files)
2195                     && !name.empty()
2196                     && !RWInfo::WriteableFile(name)) {
2197                         parent_.printWarning(RWInfo::ErrorMessage());
2198                         return false;
2199                 }
2200         }
2201
2202         if (!ob || ob == dialog_->input_serverpipe) {
2203                 string const name = fl_get_input(dialog_->input_serverpipe);
2204                 if (!name.empty()) {
2205                         // strip off the extension
2206                         string const str = ChangeExtension(name, "");
2207                         if (!RWInfo::WriteableFile(str + ".in")) {
2208                                 parent_.printWarning(RWInfo::ErrorMessage());
2209                                 return false;
2210                         }
2211                         if (!RWInfo::WriteableFile(str + ".out")) {
2212                                 parent_.printWarning(RWInfo::ErrorMessage());
2213                                 return false;
2214                         }
2215                 }
2216         }
2217
2218         if (ob == dialog_->button_default_path_browse) {
2219                 parent_.browse(dialog_->input_default_path,
2220                                N_("Default path"), string());
2221         } else if (ob == dialog_->button_template_path_browse) {
2222                 parent_.browse(dialog_->input_template_path,
2223                                N_("Template path"), string());
2224         } else if (ob == dialog_->button_temp_dir_browse) {
2225                 parent_.browse(dialog_->input_temp_dir,
2226                                N_("Temp dir"), string());
2227         } else if (ob == dialog_->button_lastfiles_browse) {
2228                 pair<string, string> dir(_("User|#U#u"), user_lyxdir);
2229
2230                 parent_.browse(dialog_->input_lastfiles,
2231                                N_("Lastfiles"), string(), dir);
2232         } else if (ob == dialog_->button_backup_path_browse) {
2233                 parent_.browse(dialog_->input_backup_path,
2234                                N_("Backup path"), string());
2235         } else if (ob == dialog_->button_serverpipe_browse) {
2236                 parent_.browse(dialog_->input_serverpipe,
2237                                N_("LyX Server pipes"), string());
2238         }
2239
2240         return activate;
2241 }
2242
2243
2244 void FormPreferences::Paths::update()
2245 {
2246         fl_set_input(dialog_->input_default_path,
2247                      lyxrc.document_path.c_str());
2248         fl_set_input(dialog_->input_template_path,
2249                      lyxrc.template_path.c_str());
2250
2251         string str;
2252         if (lyxrc.make_backup) str = lyxrc.backupdir_path;
2253
2254         fl_set_button(dialog_->check_make_backups,
2255                       lyxrc.make_backup);
2256         fl_set_input(dialog_->input_backup_path, str.c_str());
2257
2258         str.erase();
2259         if (lyxrc.use_tempdir) str = lyxrc.tempdir_path;
2260
2261         fl_set_button(dialog_->check_use_temp_dir,
2262                       lyxrc.use_tempdir);
2263         fl_set_input(dialog_->input_temp_dir, str.c_str());
2264
2265         str.erase();
2266         if (lyxrc.check_lastfiles) str = lyxrc.lastfiles;
2267
2268         fl_set_button(dialog_->check_last_files,
2269                       lyxrc.check_lastfiles);
2270         fl_set_input(dialog_->input_lastfiles, str.c_str());
2271         fl_set_counter_value(dialog_->counter_lastfiles,
2272                              lyxrc.num_lastfiles);
2273
2274         fl_set_input(dialog_->input_serverpipe, lyxrc.lyxpipes.c_str());
2275
2276         // Activate/Deactivate the input fields dependent on the state of the
2277         // buttons.
2278         input(0);
2279 }
2280
2281
2282 FormPreferences::Printer::Printer(FormPreferences &  p)
2283         : parent_(p)
2284 {}
2285
2286
2287 FD_form_printer const * FormPreferences::Printer::dialog()
2288 {
2289         return dialog_.get();
2290 }
2291
2292
2293 void FormPreferences::Printer::apply() const
2294 {
2295         lyxrc.print_adapt_output = fl_get_button(dialog_->check_adapt_output);
2296         lyxrc.print_command = fl_get_input(dialog_->input_command);
2297         lyxrc.print_pagerange_flag = fl_get_input(dialog_->input_page_range);
2298         lyxrc.print_copies_flag = fl_get_input(dialog_->input_copies);
2299         lyxrc.print_reverse_flag = fl_get_input(dialog_->input_reverse);
2300         lyxrc.print_to_printer = fl_get_input(dialog_->input_to_printer);
2301         lyxrc.print_file_extension =
2302                 fl_get_input(dialog_->input_file_extension);
2303         lyxrc.print_spool_command =
2304                 fl_get_input(dialog_->input_spool_command);
2305         lyxrc.print_paper_flag = fl_get_input(dialog_->input_paper_type);
2306         lyxrc.print_evenpage_flag = fl_get_input(dialog_->input_even_pages);
2307         lyxrc.print_oddpage_flag = fl_get_input(dialog_->input_odd_pages);
2308         lyxrc.print_collcopies_flag = fl_get_input(dialog_->input_collated);
2309         lyxrc.print_landscape_flag = fl_get_input(dialog_->input_landscape);
2310         lyxrc.print_to_file = fl_get_input(dialog_->input_to_file);
2311         lyxrc.print_extra_options =
2312                 fl_get_input(dialog_->input_extra_options);
2313         lyxrc.print_spool_printerprefix =
2314                 fl_get_input(dialog_->input_spool_prefix);
2315         lyxrc.print_paper_dimension_flag =
2316                 fl_get_input(dialog_->input_paper_size);
2317         lyxrc.printer = fl_get_input(dialog_->input_name);
2318 }
2319
2320
2321 string const
2322 FormPreferences::Printer::feedback(FL_OBJECT const * const ob) const
2323 {
2324         string str;
2325
2326         if (ob == dialog_->input_command)
2327                 str = lyxrc.getDescription(LyXRC::RC_PRINT_COMMAND);
2328         else if (ob == dialog_->check_adapt_output)
2329                 str = lyxrc.getDescription(LyXRC::RC_PRINT_ADAPTOUTPUT);
2330         else if (ob == dialog_->input_to_printer)
2331                 str = lyxrc.getDescription(LyXRC::RC_PRINTTOPRINTER);
2332         else if (ob == dialog_->input_to_file)
2333                 str = lyxrc.getDescription(LyXRC::RC_PRINTTOFILE);
2334         else if (ob == dialog_->input_file_extension)
2335                 str = lyxrc.getDescription(LyXRC::RC_PRINTFILEEXTENSION);
2336         else if (ob == dialog_->input_extra_options)
2337                 str = lyxrc.getDescription(LyXRC::RC_PRINTEXSTRAOPTIONS);
2338         else if (ob == dialog_->input_spool_command)
2339                 str = lyxrc.getDescription(LyXRC::RC_PRINTSPOOL_COMMAND);
2340         else if (ob == dialog_->input_spool_prefix)
2341                 str = lyxrc.getDescription(LyXRC::RC_PRINTSPOOL_PRINTERPREFIX);
2342         else if (ob == dialog_->input_name)
2343                 str = lyxrc.getDescription(LyXRC::RC_PRINTER);
2344         else if (ob == dialog_->input_even_pages)
2345                 str = lyxrc.getDescription(LyXRC::RC_PRINTEVENPAGEFLAG);
2346         else if (ob == dialog_->input_odd_pages)
2347                 str = lyxrc.getDescription(LyXRC::RC_PRINTODDPAGEFLAG);
2348         else if (ob == dialog_->input_page_range)
2349                 str = lyxrc.getDescription(LyXRC::RC_PRINTPAGERANGEFLAG);
2350         else if (ob == dialog_->input_reverse)
2351                 str = lyxrc.getDescription(LyXRC::RC_PRINTREVERSEFLAG);
2352         else if (ob == dialog_->input_landscape)
2353                 str = lyxrc.getDescription(LyXRC::RC_PRINTLANDSCAPEFLAG);
2354         else if (ob == dialog_->input_copies)
2355                 str = lyxrc.getDescription(LyXRC::RC_PRINTCOPIESFLAG);
2356         else if (ob == dialog_->input_collated)
2357                 str = lyxrc.getDescription(LyXRC::RC_PRINTCOLLCOPIESFLAG);
2358         else if (ob == dialog_->input_paper_type)
2359                 str = lyxrc.getDescription(LyXRC::RC_PRINTPAPERFLAG);
2360         else if (ob == dialog_->input_paper_size)
2361                 str = lyxrc.getDescription(LyXRC::RC_PRINTPAPERDIMENSIONFLAG);
2362
2363         return str;
2364 }
2365
2366
2367 void FormPreferences::Printer::build()
2368 {
2369         dialog_.reset(parent_.build_printer());
2370
2371         fl_set_input_return(dialog_->input_command, FL_RETURN_CHANGED);
2372         fl_set_input_return(dialog_->input_page_range, FL_RETURN_CHANGED);
2373         fl_set_input_return(dialog_->input_copies, FL_RETURN_CHANGED);
2374         fl_set_input_return(dialog_->input_reverse, FL_RETURN_CHANGED);
2375         fl_set_input_return(dialog_->input_to_printer, FL_RETURN_CHANGED);
2376         fl_set_input_return(dialog_->input_file_extension, FL_RETURN_CHANGED);
2377         fl_set_input_return(dialog_->input_spool_command, FL_RETURN_CHANGED);
2378         fl_set_input_return(dialog_->input_paper_type, FL_RETURN_CHANGED);
2379         fl_set_input_return(dialog_->input_even_pages, FL_RETURN_CHANGED);
2380         fl_set_input_return(dialog_->input_odd_pages, FL_RETURN_CHANGED);
2381         fl_set_input_return(dialog_->input_collated, FL_RETURN_CHANGED);
2382         fl_set_input_return(dialog_->input_landscape, FL_RETURN_CHANGED);
2383         fl_set_input_return(dialog_->input_to_file, FL_RETURN_CHANGED);
2384         fl_set_input_return(dialog_->input_extra_options, FL_RETURN_CHANGED);
2385         fl_set_input_return(dialog_->input_spool_prefix, FL_RETURN_CHANGED);
2386         fl_set_input_return(dialog_->input_paper_size, FL_RETURN_CHANGED);
2387         fl_set_input_return(dialog_->input_name, FL_RETURN_CHANGED);
2388
2389         // set up the feedback mechanism
2390         setPreHandler(dialog_->input_command);
2391         setPreHandler(dialog_->input_page_range);
2392         setPreHandler(dialog_->input_copies);
2393         setPreHandler(dialog_->input_reverse);
2394         setPreHandler(dialog_->input_to_printer);
2395         setPreHandler(dialog_->input_file_extension);
2396         setPreHandler(dialog_->input_spool_command);
2397         setPreHandler(dialog_->input_paper_type);
2398         setPreHandler(dialog_->input_even_pages);
2399         setPreHandler(dialog_->input_odd_pages);
2400         setPreHandler(dialog_->input_collated);
2401         setPreHandler(dialog_->input_landscape);
2402         setPreHandler(dialog_->input_to_file);
2403         setPreHandler(dialog_->input_extra_options);
2404         setPreHandler(dialog_->input_spool_prefix);
2405         setPreHandler(dialog_->input_paper_size);
2406         setPreHandler(dialog_->input_name);
2407         setPreHandler(dialog_->check_adapt_output);
2408 }
2409
2410
2411 void FormPreferences::Printer::update()
2412 {
2413         fl_set_button(dialog_->check_adapt_output,
2414                       lyxrc.print_adapt_output);
2415         fl_set_input(dialog_->input_command,
2416                      lyxrc.print_command.c_str());
2417         fl_set_input(dialog_->input_page_range,
2418                      lyxrc.print_pagerange_flag.c_str());
2419         fl_set_input(dialog_->input_copies,
2420                      lyxrc.print_copies_flag.c_str());
2421         fl_set_input(dialog_->input_reverse,
2422                      lyxrc.print_reverse_flag.c_str());
2423         fl_set_input(dialog_->input_to_printer,
2424                      lyxrc.print_to_printer.c_str());
2425         fl_set_input(dialog_->input_file_extension,
2426                      lyxrc.print_file_extension.c_str());
2427         fl_set_input(dialog_->input_spool_command,
2428                      lyxrc.print_spool_command.c_str());
2429         fl_set_input(dialog_->input_paper_type,
2430                      lyxrc.print_paper_flag.c_str());
2431         fl_set_input(dialog_->input_even_pages,
2432                      lyxrc.print_evenpage_flag.c_str());
2433         fl_set_input(dialog_->input_odd_pages,
2434                      lyxrc.print_oddpage_flag.c_str());
2435         fl_set_input(dialog_->input_collated,
2436                      lyxrc.print_collcopies_flag.c_str());
2437         fl_set_input(dialog_->input_landscape,
2438                      lyxrc.print_landscape_flag.c_str());
2439         fl_set_input(dialog_->input_to_file,
2440                      lyxrc.print_to_file.c_str());
2441         fl_set_input(dialog_->input_extra_options,
2442                      lyxrc.print_extra_options.c_str());
2443         fl_set_input(dialog_->input_spool_prefix,
2444                      lyxrc.print_spool_printerprefix.c_str());
2445         fl_set_input(dialog_->input_paper_size,
2446                      lyxrc.print_paper_dimension_flag.c_str());
2447         fl_set_input(dialog_->input_name,
2448                      lyxrc.printer.c_str());
2449 }
2450
2451
2452 FormPreferences::ScreenFonts::ScreenFonts( FormPreferences &  p )
2453         : parent_(p)
2454 {}
2455
2456
2457 FD_form_screen_fonts const * FormPreferences::ScreenFonts::dialog()
2458 {
2459         return dialog_.get();
2460 }
2461
2462
2463 void FormPreferences::ScreenFonts::apply() const
2464 {
2465         bool changed = false;
2466
2467         string str = fl_get_input(dialog_->input_roman);
2468         if (lyxrc.roman_font_name != str) {
2469                 changed = true;
2470                 lyxrc.roman_font_name = str;
2471         }
2472
2473         str = fl_get_input(dialog_->input_sans);
2474         if (lyxrc.sans_font_name != str) {
2475                 changed = true;
2476                 lyxrc.sans_font_name = str;
2477         }
2478
2479         str = fl_get_input(dialog_->input_typewriter);
2480         if (lyxrc.typewriter_font_name != str) {
2481                 changed = true;
2482                 lyxrc.typewriter_font_name = str;
2483         }
2484
2485         str = fl_get_input(dialog_->input_screen_encoding);
2486         if (lyxrc.font_norm != str) {
2487                 changed = true;
2488                 lyxrc.font_norm = str;
2489         }
2490
2491         bool button = fl_get_button(dialog_->check_scalable);
2492         if (lyxrc.use_scalable_fonts != button) {
2493                 changed = true;
2494                 lyxrc.use_scalable_fonts = button;
2495         }
2496
2497         unsigned int ivalue = static_cast<unsigned int>
2498                 (fl_get_counter_value(dialog_->counter_zoom));
2499         if (lyxrc.zoom != ivalue) {
2500                 changed = true;
2501                 lyxrc.zoom = ivalue;
2502         }
2503
2504         ivalue = static_cast<unsigned int>
2505                 (fl_get_counter_value(dialog_->counter_dpi));
2506         if (lyxrc.dpi != ivalue) {
2507                 changed = true;
2508                 lyxrc.dpi = ivalue;
2509         }
2510
2511         double dvalue = strToDbl(fl_get_input(dialog_->input_tiny));
2512         if (lyxrc.font_sizes[LyXFont::SIZE_TINY] != dvalue) {
2513                 changed = true;
2514                 lyxrc.font_sizes[LyXFont::SIZE_TINY] = dvalue;
2515         }
2516
2517         dvalue = strToDbl(fl_get_input(dialog_->input_script));
2518         if (lyxrc.font_sizes[LyXFont::SIZE_SCRIPT] != dvalue) {
2519                 changed = true;
2520                 lyxrc.font_sizes[LyXFont::SIZE_SCRIPT] = dvalue;
2521         }
2522
2523         dvalue = strToDbl(fl_get_input(dialog_->input_footnote));
2524         if (lyxrc.font_sizes[LyXFont::SIZE_FOOTNOTE] != dvalue) {
2525                 changed = true;
2526                 lyxrc.font_sizes[LyXFont::SIZE_FOOTNOTE] = dvalue;
2527         }
2528
2529         dvalue = strToDbl(fl_get_input(dialog_->input_small));
2530         if (lyxrc.font_sizes[LyXFont::SIZE_SMALL] != dvalue) {
2531                 changed = true;
2532                 lyxrc.font_sizes[LyXFont::SIZE_SMALL] = dvalue;
2533         }
2534
2535         dvalue = strToDbl(fl_get_input(dialog_->input_normal));
2536         if (lyxrc.font_sizes[LyXFont::SIZE_NORMAL] != dvalue) {
2537                 changed = true;
2538                 lyxrc.font_sizes[LyXFont::SIZE_NORMAL] = dvalue;
2539         }
2540
2541         dvalue = strToDbl(fl_get_input(dialog_->input_large));
2542         if (lyxrc.font_sizes[LyXFont::SIZE_LARGE] != dvalue) {
2543                 changed = true;
2544                 lyxrc.font_sizes[LyXFont::SIZE_LARGE] = dvalue;
2545         }
2546
2547         dvalue = strToDbl(fl_get_input(dialog_->input_larger));
2548         if (lyxrc.font_sizes[LyXFont::SIZE_LARGER] != dvalue) {
2549                 changed = true;
2550                 lyxrc.font_sizes[LyXFont::SIZE_LARGER] = dvalue;
2551         }
2552
2553         dvalue = strToDbl(fl_get_input(dialog_->input_largest));
2554         if (lyxrc.font_sizes[LyXFont::SIZE_LARGEST] != dvalue) {
2555                 changed = true;
2556                 lyxrc.font_sizes[LyXFont::SIZE_LARGEST] = dvalue;
2557         }
2558
2559         dvalue = strToDbl(fl_get_input(dialog_->input_huge));
2560         if (lyxrc.font_sizes[LyXFont::SIZE_HUGE] != dvalue) {
2561                 changed = true;
2562                 lyxrc.font_sizes[LyXFont::SIZE_HUGE] = dvalue;
2563         }
2564
2565         dvalue = strToDbl(fl_get_input(dialog_->input_huger));
2566         if (lyxrc.font_sizes[LyXFont::SIZE_HUGER] != dvalue) {
2567                 changed = true;
2568                 lyxrc.font_sizes[LyXFont::SIZE_HUGER] = dvalue;
2569         }
2570
2571         if (changed) {
2572                 // Now update the buffers
2573                 // Can anything below here affect the redraw process?
2574                 parent_.lv_->getLyXFunc()->dispatch(LFUN_SCREEN_FONT_UPDATE);
2575         }
2576 }
2577
2578
2579 void FormPreferences::ScreenFonts::build()
2580 {
2581         dialog_.reset(parent_.build_screen_fonts());
2582
2583         fl_set_counter_step(dialog_->counter_zoom, 1, 10);
2584         fl_set_counter_step(dialog_->counter_dpi,  1, 10);
2585
2586         fl_set_input_return(dialog_->input_roman,           FL_RETURN_CHANGED);
2587         fl_set_input_return(dialog_->input_sans,            FL_RETURN_CHANGED);
2588         fl_set_input_return(dialog_->input_typewriter,      FL_RETURN_CHANGED);
2589         fl_set_input_return(dialog_->input_screen_encoding, FL_RETURN_CHANGED);
2590         fl_set_counter_return(dialog_->counter_zoom,        FL_RETURN_CHANGED);
2591         fl_set_counter_return(dialog_->counter_dpi,         FL_RETURN_CHANGED);
2592         fl_set_input_return(dialog_->input_tiny,            FL_RETURN_CHANGED);
2593         fl_set_input_return(dialog_->input_script,          FL_RETURN_CHANGED);
2594         fl_set_input_return(dialog_->input_footnote,        FL_RETURN_CHANGED);
2595         fl_set_input_return(dialog_->input_small,           FL_RETURN_CHANGED);
2596         fl_set_input_return(dialog_->input_normal,          FL_RETURN_CHANGED);
2597         fl_set_input_return(dialog_->input_large,           FL_RETURN_CHANGED);
2598         fl_set_input_return(dialog_->input_larger,          FL_RETURN_CHANGED);
2599         fl_set_input_return(dialog_->input_largest,         FL_RETURN_CHANGED);
2600         fl_set_input_return(dialog_->input_huge,            FL_RETURN_CHANGED);
2601         fl_set_input_return(dialog_->input_huger,           FL_RETURN_CHANGED);
2602
2603         fl_set_input_filter(dialog_->input_tiny,     fl_unsigned_float_filter);
2604         fl_set_input_filter(dialog_->input_script,   fl_unsigned_float_filter);
2605         fl_set_input_filter(dialog_->input_footnote, fl_unsigned_float_filter);
2606         fl_set_input_filter(dialog_->input_small,    fl_unsigned_float_filter);
2607         fl_set_input_filter(dialog_->input_normal,   fl_unsigned_float_filter);
2608         fl_set_input_filter(dialog_->input_large,    fl_unsigned_float_filter);
2609         fl_set_input_filter(dialog_->input_larger,   fl_unsigned_float_filter);
2610         fl_set_input_filter(dialog_->input_largest,  fl_unsigned_float_filter);
2611         fl_set_input_filter(dialog_->input_huge,     fl_unsigned_float_filter);
2612         fl_set_input_filter(dialog_->input_huger,    fl_unsigned_float_filter);
2613
2614         // set up the feedback mechanism
2615         setPreHandler(dialog_->input_roman);
2616         setPreHandler(dialog_->input_sans);
2617         setPreHandler(dialog_->input_typewriter);
2618         setPreHandler(dialog_->counter_zoom);
2619         setPreHandler(dialog_->counter_dpi);
2620         setPreHandler(dialog_->check_scalable);
2621         setPreHandler(dialog_->input_screen_encoding);
2622         setPreHandler(dialog_->input_tiny);
2623         setPreHandler(dialog_->input_script);
2624         setPreHandler(dialog_->input_footnote);
2625         setPreHandler(dialog_->input_small);
2626         setPreHandler(dialog_->input_large);
2627         setPreHandler(dialog_->input_larger);
2628         setPreHandler(dialog_->input_largest);
2629         setPreHandler(dialog_->input_normal);
2630         setPreHandler(dialog_->input_huge);
2631         setPreHandler(dialog_->input_huger);
2632 }
2633
2634
2635 string const
2636 FormPreferences::ScreenFonts::feedback(FL_OBJECT const * const ob) const
2637 {
2638         string str;
2639
2640         if (ob == dialog_->input_roman)
2641                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_ROMAN);
2642         else if (ob == dialog_->input_sans)
2643                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_SANS);
2644         else if (ob == dialog_->input_typewriter)
2645                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_TYPEWRITER);
2646         else if (ob == dialog_->check_scalable)
2647                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_SCALABLE);
2648         else if (ob == dialog_->input_screen_encoding)
2649                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_ENCODING);
2650         else if (ob == dialog_->counter_zoom)
2651                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_ZOOM);
2652         else if (ob == dialog_->counter_dpi)
2653                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_DPI);
2654         else if (ob == dialog_->input_tiny
2655                  || ob == dialog_->input_script
2656                  || ob == dialog_->input_footnote
2657                  || ob == dialog_->input_small
2658                  || ob == dialog_->input_large
2659                  || ob == dialog_->input_larger
2660                  || ob == dialog_->input_larger
2661                  || ob == dialog_->input_largest
2662                  || ob == dialog_->input_normal
2663                  || ob == dialog_->input_huge
2664                  || ob == dialog_->input_huger)
2665                 str = lyxrc.getDescription(LyXRC::RC_SCREEN_FONT_SIZES);
2666
2667         return str;
2668 }
2669
2670
2671 bool FormPreferences::ScreenFonts::input()
2672 {
2673         bool activate = true;
2674         string str;
2675
2676         // Make sure that all fonts all have positive entries
2677         // Also note that an empty entry is returned as 0.0 by strToDbl
2678         if (0.0 >= strToDbl(fl_get_input(dialog_->input_tiny))
2679             || 0.0 >= strToDbl(fl_get_input(dialog_->input_script))
2680             || 0.0 >= strToDbl(fl_get_input(dialog_->input_footnote))
2681             || 0.0 >= strToDbl(fl_get_input(dialog_->input_small))
2682             || 0.0 >= strToDbl(fl_get_input(dialog_->input_normal))
2683             || 0.0 >= strToDbl(fl_get_input(dialog_->input_large))
2684             || 0.0 >= strToDbl(fl_get_input(dialog_->input_larger))
2685             || 0.0 >= strToDbl(fl_get_input(dialog_->input_largest))
2686             || 0.0 >= strToDbl(fl_get_input(dialog_->input_huge))
2687             || 0.0 >= strToDbl(fl_get_input(dialog_->input_huger))) {
2688                 activate = false;
2689                 str = N_("Fonts must be positive!");
2690
2691         // Fontsizes -- tiny < script < footnote etc.
2692         } else if (strToDbl(fl_get_input(dialog_->input_tiny)) >
2693                    strToDbl(fl_get_input(dialog_->input_script)) ||
2694                    strToDbl(fl_get_input(dialog_->input_script)) >
2695                    strToDbl(fl_get_input(dialog_->input_footnote)) ||
2696                    strToDbl(fl_get_input(dialog_->input_footnote)) >
2697                    strToDbl(fl_get_input(dialog_->input_small)) ||
2698                    strToDbl(fl_get_input(dialog_->input_small)) >
2699                    strToDbl(fl_get_input(dialog_->input_normal)) ||
2700                    strToDbl(fl_get_input(dialog_->input_normal)) >
2701                    strToDbl(fl_get_input(dialog_->input_large)) ||
2702                    strToDbl(fl_get_input(dialog_->input_large)) >
2703                    strToDbl(fl_get_input(dialog_->input_larger)) ||
2704                    strToDbl(fl_get_input(dialog_->input_larger)) >
2705                    strToDbl(fl_get_input(dialog_->input_largest)) ||
2706                    strToDbl(fl_get_input(dialog_->input_largest)) >
2707                    strToDbl(fl_get_input(dialog_->input_huge)) ||
2708                    strToDbl(fl_get_input(dialog_->input_huge)) >
2709                    strToDbl(fl_get_input(dialog_->input_huger))) {
2710                 activate = false;
2711
2712                 str = N_("Fonts must be input in the order tiny > script> footnote > small > normal > large > larger > largest > huge > huger.");
2713         }
2714
2715         if (!activate)
2716                 parent_.printWarning(str);
2717
2718         return activate;
2719 }
2720
2721
2722 void FormPreferences::ScreenFonts::update()
2723 {
2724         fl_set_input(dialog_->input_roman,
2725                      lyxrc.roman_font_name.c_str());
2726         fl_set_input(dialog_->input_sans,
2727                      lyxrc.sans_font_name.c_str());
2728         fl_set_input(dialog_->input_typewriter,
2729                      lyxrc.typewriter_font_name.c_str());
2730         fl_set_input(dialog_->input_screen_encoding,
2731                      lyxrc.font_norm.c_str());
2732         fl_set_button(dialog_->check_scalable,
2733                       lyxrc.use_scalable_fonts);
2734         fl_set_counter_value(dialog_->counter_zoom, lyxrc.zoom);
2735         fl_set_counter_value(dialog_->counter_dpi,  lyxrc.dpi);
2736         fl_set_input(dialog_->input_tiny,
2737                      tostr(lyxrc.font_sizes[LyXFont::SIZE_TINY]).c_str());
2738         fl_set_input(dialog_->input_script,
2739                      tostr(lyxrc.font_sizes[LyXFont::SIZE_SCRIPT]).c_str());
2740         fl_set_input(dialog_->input_footnote,
2741                      tostr(lyxrc.font_sizes[LyXFont::SIZE_FOOTNOTE]).c_str());
2742         fl_set_input(dialog_->input_small,
2743                      tostr(lyxrc.font_sizes[LyXFont::SIZE_SMALL]).c_str());
2744         fl_set_input(dialog_->input_normal,
2745                      tostr(lyxrc.font_sizes[LyXFont::SIZE_NORMAL]).c_str());
2746         fl_set_input(dialog_->input_large,
2747                      tostr(lyxrc.font_sizes[LyXFont::SIZE_LARGE]).c_str());
2748         fl_set_input(dialog_->input_larger,
2749                      tostr(lyxrc.font_sizes[LyXFont::SIZE_LARGER]).c_str());
2750         fl_set_input(dialog_->input_largest,
2751                      tostr(lyxrc.font_sizes[LyXFont::SIZE_LARGEST]).c_str());
2752         fl_set_input(dialog_->input_huge,
2753                      tostr(lyxrc.font_sizes[LyXFont::SIZE_HUGE]).c_str());
2754         fl_set_input(dialog_->input_huger,
2755                      tostr(lyxrc.font_sizes[LyXFont::SIZE_HUGER]).c_str());
2756 }
2757
2758
2759
2760 FormPreferences::SpellOptions::SpellOptions( FormPreferences &  p )
2761         : parent_(p)
2762 {}
2763
2764
2765 FD_form_spelloptions const * FormPreferences::SpellOptions::dialog()
2766 {
2767         return dialog_.get();
2768 }
2769
2770
2771 void FormPreferences::SpellOptions::apply()
2772 {
2773
2774         string choice = fl_get_choice_text(dialog_->choice_spell_command);
2775         choice = strip(frontStrip(choice));
2776
2777         lyxrc.isp_command = choice;
2778
2779 #if 0
2780         // If spell checker == "none", all other input set to off.
2781         if (fl_get_choice(dialog_->choice_spell_command) == 1) {
2782                 lyxrc.isp_use_alt_lang = false;
2783                 lyxrc.isp_alt_lang.erase();
2784
2785                 lyxrc.isp_use_esc_chars = false;
2786                 lyxrc.isp_esc_chars.erase();
2787
2788                 lyxrc.isp_use_pers_dict = false;
2789                 lyxrc.isp_pers_dict.erase();
2790
2791                 lyxrc.isp_accept_compound = false;
2792                 lyxrc.isp_use_input_encoding = false;
2793         } else {
2794 #else
2795                 int button = fl_get_button(dialog_->check_alt_lang);
2796                 choice = fl_get_input(dialog_->input_alt_lang);
2797                 if (button && choice.empty()) button = 0;
2798                 if (!button) choice.erase();
2799
2800                 lyxrc.isp_use_alt_lang = static_cast<bool>(button);
2801                 lyxrc.isp_alt_lang = choice;
2802
2803                 button = fl_get_button(dialog_->check_escape_chars);
2804                 choice = fl_get_input(dialog_->input_escape_chars);
2805                 if (button && choice.empty()) button = 0;
2806                 if (!button) choice.erase();
2807
2808                 lyxrc.isp_use_esc_chars = static_cast<bool>(button);
2809                 lyxrc.isp_esc_chars = choice;
2810
2811                 button = fl_get_button(dialog_->check_personal_dict);
2812                 choice = fl_get_input(dialog_->input_personal_dict);
2813                 if (button && choice.empty()) button = 0;
2814                 if (!button) choice.erase();
2815
2816                 lyxrc.isp_use_pers_dict = static_cast<bool>(button);
2817                 lyxrc.isp_pers_dict = choice;
2818
2819                 button = fl_get_button(dialog_->check_compound_words);
2820                 lyxrc.isp_accept_compound = static_cast<bool>(button);
2821
2822                 button = fl_get_button(dialog_->check_input_enc);
2823                 lyxrc.isp_use_input_encoding = static_cast<bool>(button);
2824 #endif
2825 #if 0
2826         }
2827 #endif
2828
2829         // Reset view
2830         update();
2831 }
2832
2833
2834 void FormPreferences::SpellOptions::build()
2835 {
2836         dialog_.reset(parent_.build_spelloptions());
2837
2838         fl_addto_choice(dialog_->choice_spell_command,
2839 #if 0
2840                         _(" none | ispell | aspell "));
2841 #else
2842                         _(" ispell | aspell "));
2843 #endif
2844         fl_set_input_return(dialog_->input_alt_lang,      FL_RETURN_CHANGED);
2845         fl_set_input_return(dialog_->input_escape_chars,  FL_RETURN_CHANGED);
2846         fl_set_input_return(dialog_->input_personal_dict, FL_RETURN_CHANGED);
2847
2848         // set up the feedback mechanism
2849         setPreHandler(dialog_->choice_spell_command);
2850         setPreHandler(dialog_->check_alt_lang);
2851         setPreHandler(dialog_->input_alt_lang);
2852         setPreHandler(dialog_->check_escape_chars);
2853         setPreHandler(dialog_->input_escape_chars);
2854         setPreHandler(dialog_->check_personal_dict);
2855         setPreHandler(dialog_->input_personal_dict);
2856         setPreHandler(dialog_->button_personal_dict);
2857         setPreHandler(dialog_->check_compound_words);
2858         setPreHandler(dialog_->check_input_enc);
2859 }
2860
2861
2862 string const
2863 FormPreferences::SpellOptions::feedback(FL_OBJECT const * const ob) const
2864 {
2865         string str;
2866
2867         if (ob == dialog_->choice_spell_command)
2868                 str = lyxrc.getDescription(LyXRC::RC_SPELL_COMMAND);
2869         else if (ob == dialog_->check_alt_lang)
2870                 str = lyxrc.getDescription(LyXRC::RC_USE_ALT_LANG);
2871         else if (ob == dialog_->input_alt_lang)
2872                 str = lyxrc.getDescription(LyXRC::RC_ALT_LANG);
2873         else if (ob == dialog_->check_escape_chars)
2874                 str = lyxrc.getDescription(LyXRC::RC_USE_ESC_CHARS);
2875         else if (ob == dialog_->input_escape_chars)
2876                 str = lyxrc.getDescription(LyXRC::RC_ESC_CHARS);
2877         else if (ob == dialog_->check_personal_dict)
2878                 str = lyxrc.getDescription(LyXRC::RC_USE_PERS_DICT);
2879         else if (ob == dialog_->input_personal_dict)
2880                 str = lyxrc.getDescription(LyXRC::RC_PERS_DICT);
2881         else if (ob == dialog_->check_compound_words)
2882                 str = lyxrc.getDescription(LyXRC::RC_ACCEPT_COMPOUND);
2883         else if (ob == dialog_->check_input_enc)
2884                 str = lyxrc.getDescription(LyXRC::RC_USE_INP_ENC);
2885
2886         return str;
2887 }
2888
2889
2890 bool FormPreferences::SpellOptions::input(FL_OBJECT const * const ob)
2891 {
2892         // !ob if function is called from updateSpellOptions() to de/activate
2893         // objects,
2894         // otherwise the function is called by an xforms CB via input().
2895
2896 #if 0
2897         // If spell checker == "none", disable all input.
2898         if (!ob || ob == dialog_->choice_spell_command) {
2899                 if (fl_get_choice(dialog_->choice_spell_command) == 1) {
2900                         fl_deactivate_object(dialog_->check_alt_lang);
2901                         fl_deactivate_object(dialog_->input_alt_lang);
2902                         fl_deactivate_object(dialog_->check_escape_chars);
2903                         fl_deactivate_object(dialog_->input_escape_chars);
2904                         fl_deactivate_object(dialog_->check_personal_dict);
2905                         fl_deactivate_object(dialog_->input_personal_dict);
2906                         fl_deactivate_object(dialog_->check_compound_words);
2907                         fl_deactivate_object(dialog_->check_input_enc);
2908                         return true;
2909                 } else {
2910                         fl_activate_object(dialog_->check_alt_lang);
2911                         fl_activate_object(dialog_->check_escape_chars);
2912                         fl_activate_object(dialog_->check_personal_dict);
2913                         fl_activate_object(dialog_->check_compound_words);
2914                         fl_activate_object(dialog_->check_input_enc);
2915                 }
2916         }
2917 #endif
2918
2919         if (!ob || ob == dialog_->check_alt_lang) {
2920                 bool const enable = fl_get_button(dialog_->check_alt_lang);
2921                 setEnabled(dialog_->input_alt_lang, enable);
2922         }
2923
2924         if (!ob || ob == dialog_->check_escape_chars) {
2925                 bool const enable = fl_get_button(dialog_->check_escape_chars);
2926                 setEnabled(dialog_->input_escape_chars, enable);
2927         }
2928
2929         if (!ob || ob == dialog_->check_personal_dict) {
2930                 bool const enable = fl_get_button(dialog_->check_personal_dict);
2931                 setEnabled(dialog_->input_personal_dict, enable);
2932         }
2933
2934         if (ob == dialog_->button_personal_dict) {
2935                 parent_.browse(dialog_->input_personal_dict,
2936                                N_("Personal dictionary"), "*.ispell");
2937         }
2938
2939         return true; // All input is valid!
2940 }
2941
2942
2943 void FormPreferences::SpellOptions::update()
2944 {
2945         int choice = 1;
2946 #if 0
2947         if (lyxrc.isp_command == "none")
2948                 choice = 1;
2949         else if (lyxrc.isp_command == "ispell")
2950                 choice = 2;
2951         else if (lyxrc.isp_command == "aspell")
2952                 choice = 3;
2953 #else
2954         if (lyxrc.isp_command == "ispell")
2955                 choice = 1;
2956         else if (lyxrc.isp_command == "aspell")
2957                 choice = 2;
2958 #endif
2959         fl_set_choice(dialog_->choice_spell_command, choice);
2960
2961         string str;
2962         if (lyxrc.isp_use_alt_lang) str = lyxrc.isp_alt_lang;
2963
2964         fl_set_button(dialog_->check_alt_lang,
2965                       lyxrc.isp_use_alt_lang);
2966         fl_set_input(dialog_->input_alt_lang, str.c_str());
2967
2968         str.erase();
2969         if (lyxrc.isp_use_esc_chars) str = lyxrc.isp_esc_chars;
2970
2971         fl_set_button(dialog_->check_escape_chars,
2972                       lyxrc.isp_use_esc_chars);
2973         fl_set_input(dialog_->input_escape_chars, str.c_str());
2974
2975         str.erase();
2976         if (lyxrc.isp_use_pers_dict) str = lyxrc.isp_pers_dict;
2977
2978         fl_set_button(dialog_->check_personal_dict,
2979                       lyxrc.isp_use_pers_dict);
2980         fl_set_input(dialog_->input_personal_dict, str.c_str());
2981
2982         fl_set_button(dialog_->check_compound_words,
2983                       lyxrc.isp_accept_compound);
2984         fl_set_button(dialog_->check_input_enc,
2985                       lyxrc.isp_use_input_encoding);
2986
2987         // Activate/Deactivate the input fields dependent on the state of the
2988         // buttons.
2989         input(0);
2990 }
2991
2992
2993 void FormPreferences::printWarning(string const & warning)
2994 {
2995         warningPosted = true;
2996
2997         string str = _("WARNING!") + string(" ") + warning;
2998         str = formatted(str, dialog_->text_warning->w-10, FL_SMALL_SIZE);
2999
3000         fl_set_object_label(dialog_->text_warning, str.c_str());
3001         fl_set_object_lsize(dialog_->text_warning, FL_SMALL_SIZE);
3002 }
3003
3004
3005 void FormPreferences::browse(FL_OBJECT * inpt,
3006                              string const & title,
3007                              string const & pattern,
3008                              pair<string,string> const & dir1,
3009                              pair<string,string> const & dir2)
3010 {
3011         // Get the filename from the dialog
3012         string const filename = fl_get_input(inpt);
3013
3014         // Show the file browser dialog
3015         string const new_filename =
3016                 browseFile(lv_, filename, title, pattern, dir1, dir2);
3017
3018         // Save the filename to the dialog
3019         if (new_filename != filename && !new_filename.empty()) {
3020                 fl_set_input(inpt, new_filename.c_str());
3021                 input(inpt, 0);
3022         }
3023 }
3024
3025
3026 // C function wrapper, required by xforms.
3027 extern "C" {
3028
3029         static
3030         int C_FormPreferencesFeedbackCB(FL_OBJECT * ob, int event,
3031                                         FL_Coord mx, FL_Coord my,
3032                                         int key, void * xev)
3033         {
3034                 return FormPreferences::FeedbackCB(ob, event,
3035                                                    mx, my, key, xev);
3036         }
3037
3038 }
3039
3040
3041 int FormPreferences::FeedbackCB(FL_OBJECT * ob, int event,
3042                                 FL_Coord, FL_Coord, int, void *)
3043 {
3044         // Note that the return value is important in the pre-emptive handler.
3045         // Don't return anything other than 0.
3046
3047         lyx::Assert(ob);
3048         // Don't Assert this one, as it can happen quite reasonably when things
3049         // are being deleted in the d-tor.
3050         //Assert(ob->form);
3051         if (!ob->form) return 0;
3052
3053         FormPreferences * pre =
3054                 static_cast<FormPreferences*>(ob->form->u_vdata);
3055         pre->Feedback(ob, event);
3056         return 0;
3057 }
3058
3059
3060 // preemptive handler for feedback messages
3061 void FormPreferences::Feedback(FL_OBJECT * ob, int event)
3062 {
3063         lyx::Assert(ob);
3064
3065         switch (event) {
3066         case FL_ENTER:
3067                 warningPosted = false;
3068                 feedback(ob);
3069                 break;
3070
3071         case FL_LEAVE:
3072                 if (!warningPosted)
3073                         fl_set_object_label(dialog_->text_warning, "");
3074                 break;
3075
3076         default:
3077                 break;
3078         }
3079 }
3080
3081
3082 void FormPreferences::setPreHandler(FL_OBJECT * ob)
3083 {
3084         lyx::Assert(ob);
3085         fl_set_object_prehandler(ob, C_FormPreferencesFeedbackCB);
3086 }