src/frontends/qt4/GuiPrefs.cpp

   1 /**
   2  * \file GuiPrefs.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author John Levon
   7  * \author Bo Peng
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "GuiPrefs.h"
  15
  16 #include "ColorCache.h"
  17 #include "FileDialog.h"
  18 #include "GuiApplication.h"
  19 #include "GuiFontExample.h"
  20 #include "GuiFontLoader.h"
  21 #include "GuiKeySymbol.h"
  22 #include "qt_helpers.h"
  23
  24 #include "BufferList.h"
  25 #include "Color.h"
  26 #include "ColorSet.h"
  27 #include "ConverterCache.h"
  28 #include "FontEnums.h"
  29 #include "FuncRequest.h"
  30 #include "KeyMap.h"
  31 #include "KeySequence.h"
  32 #include "Language.h"
  33 #include "LyXAction.h"
  34 #include "PanelStack.h"
  35 #include "paper.h"
  36 #include "Session.h"
  37 #include "SpellChecker.h"
  38
  39 #include "support/debug.h"
  40 #include "support/FileName.h"
  41 #include "support/filetools.h"
  42 #include "support/foreach.h"
  43 #include "support/gettext.h"
  44 #include "support/lstrings.h"
  45 #include "support/os.h"
  46 #include "support/Package.h"
  47
  48 #include "graphics/GraphicsTypes.h"
  49
  50 #include "frontends/alert.h"
  51 #include "frontends/Application.h"
  52 #include "frontends/FontLoader.h"
  53
  54 #include <QAbstractItemModel>
  55 #include <QCheckBox>
  56 #include <QColorDialog>
  57 #include <QFontDatabase>
  58 #include <QHeaderView>
  59 #include <QLineEdit>
  60 #include <QMessageBox>
  61 #include <QPixmapCache>
  62 #include <QPushButton>
  63 #include <QSpinBox>
  64 #include <QString>
  65 #include <QTreeWidget>
  66 #include <QTreeWidgetItem>
  67 #include <QValidator>
  68
  69 #include <iomanip>
  70 #include <sstream>
  71 #include <algorithm>
  72
  73 using namespace Ui;
  74
  75 using namespace std;
  76 using namespace lyx::support;
  77 using namespace lyx::support::os;
  78
  79 namespace lyx {
  80 namespace frontend {
  81
  82 /////////////////////////////////////////////////////////////////////
  83 //
  84 // Browser Helpers
  85 //
  86 /////////////////////////////////////////////////////////////////////
  87
  88 /** Launch a file dialog and return the chosen file.
  89         filename: a suggested filename.
  90         title: the title of the dialog.
  91         pattern: *.ps etc.
  92         dir1 = (name, dir), dir2 = (name, dir): extra buttons on the dialog.
  93 */
  94 QString browseFile(QString const & filename,
  95         QString const & title,
  96         QStringList const & filters,
  97         bool save = false,
  98         QString const & label1 = QString(),
  99         QString const & dir1 = QString(),
 100         QString const & label2 = QString(),
 101         QString const & dir2 = QString(),
 102         QString const & fallback_dir = QString())
 103 {
 104         QString lastPath = ".";
 105         if (!filename.isEmpty())
 106                 lastPath = onlyPath(filename);
 107         else if(!fallback_dir.isEmpty())
 108                 lastPath = fallback_dir;
 109
 110         FileDialog dlg(title, LFUN_SELECT_FILE_SYNC);
 111         dlg.setButton2(label1, dir1);
 112         dlg.setButton2(label2, dir2);
 113
 114         FileDialog::Result result;
 115
 116         if (save)
 117                 result = dlg.save(lastPath, filters, onlyFilename(filename));
 118         else
 119                 result = dlg.open(lastPath, filters, onlyFilename(filename));
 120
 121         return result.second;
 122 }
 123
 124
 125 /** Wrapper around browseFile which tries to provide a filename
 126 *  relative to the user or system directory. The dir, name and ext
 127 *  parameters have the same meaning as in the
 128 *  support::LibFileSearch function.
 129 */
 130 QString browseLibFile(QString const & dir,
 131         QString const & name,
 132         QString const & ext,
 133         QString const & title,
 134         QStringList const & filters)
 135 {
 136         // FIXME UNICODE
 137         QString const label1 = qt_("System files|#S#s");
 138         QString const dir1 =
 139                 toqstr(addName(package().system_support().absFilename(), fromqstr(dir)));
 140
 141         QString const label2 = qt_("User files|#U#u");
 142         QString const dir2 =
 143                 toqstr(addName(package().user_support().absFilename(), fromqstr(dir)));
 144
 145         QString const result = browseFile(toqstr(
 146                 libFileSearch(dir, name, ext).absFilename()),
 147                 title, filters, false, dir1, dir2, QString(), QString(), dir1);
 148
 149         // remove the extension if it is the default one
 150         QString noextresult;
 151         if (getExtension(result) == ext)
 152                 noextresult = removeExtension(result);
 153         else
 154                 noextresult = result;
 155
 156         // remove the directory, if it is the default one
 157         QString const file = onlyFilename(noextresult);
 158         if (toqstr(libFileSearch(dir, file, ext).absFilename()) == result)
 159                 return file;
 160         else
 161                 return noextresult;
 162 }
 163
 164
 165 /** Launch a file dialog and return the chosen directory.
 166         pathname: a suggested pathname.
 167         title: the title of the dialog.
 168         dir1 = (name, dir), dir2 = (name, dir): extra buttons on the dialog.
 169 */
 170 QString browseDir(QString const & pathname,
 171         QString const & title,
 172         QString const & label1 = QString(),
 173         QString const & dir1 = QString(),
 174         QString const & label2 = QString(),
 175         QString const & dir2 = QString())
 176 {
 177         QString lastPath = ".";
 178         if (!pathname.isEmpty())
 179                 lastPath = onlyPath(pathname);
 180
 181         FileDialog dlg(title, LFUN_SELECT_FILE_SYNC);
 182         dlg.setButton1(label1, dir1);
 183         dlg.setButton2(label2, dir2);
 184
 185         FileDialog::Result const result =
 186                 dlg.opendir(lastPath, onlyFilename(pathname));
 187
 188         return result.second;
 189 }
 190
 191
 192 } // namespace frontend
 193
 194
 195 QString browseRelFile(QString const & filename, QString const & refpath,
 196         QString const & title, QStringList const & filters, bool save,
 197         QString const & label1, QString const & dir1,
 198         QString const & label2, QString const & dir2)
 199 {
 200         QString const fname = makeAbsPath(filename, refpath);
 201
 202
 203         QString const outname =
 204                 frontend::browseFile(fname, title, filters, save, label1, dir1, label2, dir2);
 205
 206         QString const reloutname =
 207                 toqstr(makeRelPath(qstring_to_ucs4(outname), qstring_to_ucs4(refpath)));
 208
 209         if (reloutname.startsWith("../"))
 210                 return outname;
 211         else
 212                 return reloutname;
 213 }
 214
 215
 216
 217 /////////////////////////////////////////////////////////////////////
 218 //
 219 // Helpers
 220 //
 221 /////////////////////////////////////////////////////////////////////
 222
 223 namespace frontend {
 224
 225 string const catLookAndFeel = N_("Look & Feel");
 226 string const catEditing = N_("Editing");
 227 string const catLanguage = N_("Language Settings");
 228 string const catOutput = N_("Output");
 229 string const catFiles = N_("File Handling");
 230
 231 static void parseFontName(QString const & mangled0,
 232         string & name, string & foundry)
 233 {
 234         string mangled = fromqstr(mangled0);
 235         size_t const idx = mangled.find('[');
 236         if (idx == string::npos || idx == 0) {
 237                 name = mangled;
 238                 foundry.clear();
 239         } else {
 240                 name = mangled.substr(0, idx - 1),
 241                 foundry = mangled.substr(idx + 1, mangled.size() - idx - 2);
 242         }
 243 }
 244
 245
 246 static void setComboxFont(QComboBox * cb, string const & family,
 247         string const & foundry)
 248 {
 249         QString fontname = toqstr(family);
 250         if (!foundry.empty())
 251                 fontname += " [" + toqstr(foundry) + ']';
 252
 253         for (int i = 0; i != cb->count(); ++i) {
 254                 if (cb->itemText(i) == fontname) {
 255                         cb->setCurrentIndex(i);
 256                         return;
 257                 }
 258         }
 259
 260         // Try matching without foundry name
 261
 262         // We count in reverse in order to prefer the Xft foundry
 263         for (int i = cb->count(); --i >= 0;) {
 264                 string name, foundry;
 265                 parseFontName(cb->itemText(i), name, foundry);
 266                 if (compare_ascii_no_case(name, family) == 0) {
 267                         cb->setCurrentIndex(i);
 268                         return;
 269                 }
 270         }
 271
 272         // family alone can contain e.g. "Helvetica [Adobe]"
 273         string tmpname, tmpfoundry;
 274         parseFontName(toqstr(family), tmpname, tmpfoundry);
 275
 276         // We count in reverse in order to prefer the Xft foundry
 277         for (int i = cb->count(); --i >= 0; ) {
 278                 string name, foundry;
 279                 parseFontName(cb->itemText(i), name, foundry);
 280                 if (compare_ascii_no_case(name, foundry) == 0) {
 281                         cb->setCurrentIndex(i);
 282                         return;
 283                 }
 284         }
 285
 286         // Bleh, default fonts, and the names couldn't be found. Hack
 287         // for bug 1063.
 288
 289         QFont font;
 290         font.setKerning(false);
 291
 292         QString const font_family = toqstr(family);
 293         if (font_family == guiApp->romanFontName()) {
 294                 font.setStyleHint(QFont::Serif);
 295                 font.setFamily(font_family);
 296         } else if (font_family == guiApp->sansFontName()) {
 297                 font.setStyleHint(QFont::SansSerif);
 298                 font.setFamily(font_family);
 299         } else if (font_family == guiApp->typewriterFontName()) {
 300                 font.setStyleHint(QFont::TypeWriter);
 301                 font.setFamily(font_family);
 302         } else {
 303                 LYXERR0("FAILED to find the default font: '"
 304                        << foundry << "', '" << family << '\'');
 305                 return;
 306         }
 307
 308         QFontInfo info(font);
 309         string default_font_name, dummyfoundry;
 310         parseFontName(info.family(), default_font_name, dummyfoundry);
 311         LYXERR0("Apparent font is " << default_font_name);
 312
 313         for (int i = 0; i < cb->count(); ++i) {
 314                 LYXERR0("Looking at " << cb->itemText(i));
 315                 if (compare_ascii_no_case(fromqstr(cb->itemText(i)),
 316                                     default_font_name) == 0) {
 317                         cb->setCurrentIndex(i);
 318                         return;
 319                 }
 320         }
 321
 322         LYXERR0("FAILED to find the font: '"
 323                << foundry << "', '" << family << '\'');
 324 }
 325
 326
 327
 328 /////////////////////////////////////////////////////////////////////
 329 //
 330 // PrefPlaintext
 331 //
 332 /////////////////////////////////////////////////////////////////////
 333
 334 PrefPlaintext::PrefPlaintext(GuiPreferences * form)
 335         : PrefModule(qt_(catOutput), qt_("Plain text"), form)
 336 {
 337         setupUi(this);
 338         connect(plaintextLinelengthSB, SIGNAL(valueChanged(int)),
 339                 this, SIGNAL(changed()));
 340 }
 341
 342
 343 void PrefPlaintext::apply(LyXRC & rc) const
 344 {
 345         rc.plaintext_linelen = plaintextLinelengthSB->value();
 346 }
 347
 348
 349 void PrefPlaintext::update(LyXRC const & rc)
 350 {
 351         plaintextLinelengthSB->setValue(rc.plaintext_linelen);
 352 }
 353
 354
 355 /////////////////////////////////////////////////////////////////////
 356 //
 357 // StrftimeValidator
 358 //
 359 /////////////////////////////////////////////////////////////////////
 360
 361 class StrftimeValidator : public QValidator
 362 {
 363 public:
 364         StrftimeValidator(QWidget *);
 365         QValidator::State validate(QString & input, int & pos) const;
 366 };
 367
 368
 369 StrftimeValidator::StrftimeValidator(QWidget * parent)
 370         : QValidator(parent)
 371 {
 372 }
 373
 374
 375 QValidator::State StrftimeValidator::validate(QString & input, int & /*pos*/) const
 376 {
 377         if (is_valid_strftime(fromqstr(input)))
 378                 return QValidator::Acceptable;
 379         else
 380                 return QValidator::Intermediate;
 381 }
 382
 383
 384 /////////////////////////////////////////////////////////////////////
 385 //
 386 // PrefDate
 387 //
 388 /////////////////////////////////////////////////////////////////////
 389
 390 PrefDate::PrefDate(GuiPreferences * form)
 391         : PrefModule(qt_(catOutput), qt_("Date format"), form)
 392 {
 393         setupUi(this);
 394         DateED->setValidator(new StrftimeValidator(DateED));
 395         connect(DateED, SIGNAL(textChanged(QString)),
 396                 this, SIGNAL(changed()));
 397 }
 398
 399
 400 void PrefDate::on_DateED_textChanged(const QString &)
 401 {
 402         QString t = DateED->text();
 403         int p = 0;
 404         bool valid = DateED->validator()->validate(t, p)
 405                      == QValidator::Acceptable;
 406         setValid(DateLA, valid);
 407 }
 408
 409
 410 void PrefDate::apply(LyXRC & rc) const
 411 {
 412         rc.date_insert_format = fromqstr(DateED->text());
 413 }
 414
 415
 416 void PrefDate::update(LyXRC const & rc)
 417 {
 418         DateED->setText(toqstr(rc.date_insert_format));
 419 }
 420
 421
 422 /////////////////////////////////////////////////////////////////////
 423 //
 424 // PrefInput
 425 //
 426 /////////////////////////////////////////////////////////////////////
 427
 428 PrefInput::PrefInput(GuiPreferences * form)
 429         : PrefModule(qt_(catEditing), qt_("Keyboard/Mouse"), form)
 430 {
 431         setupUi(this);
 432
 433         connect(keymapCB, SIGNAL(clicked()),
 434                 this, SIGNAL(changed()));
 435         connect(firstKeymapED, SIGNAL(textChanged(QString)),
 436                 this, SIGNAL(changed()));
 437         connect(secondKeymapED, SIGNAL(textChanged(QString)),
 438                 this, SIGNAL(changed()));
 439         connect(mouseWheelSpeedSB, SIGNAL(valueChanged(double)),
 440                 this, SIGNAL(changed()));
 441 }
 442
 443
 444 void PrefInput::apply(LyXRC & rc) const
 445 {
 446         // FIXME: can derive CB from the two EDs
 447         rc.use_kbmap = keymapCB->isChecked();
 448         rc.primary_kbmap = internal_path(fromqstr(firstKeymapED->text()));
 449         rc.secondary_kbmap = internal_path(fromqstr(secondKeymapED->text()));
 450         rc.mouse_wheel_speed = mouseWheelSpeedSB->value();
 451 }
 452
 453
 454 void PrefInput::update(LyXRC const & rc)
 455 {
 456         // FIXME: can derive CB from the two EDs
 457         keymapCB->setChecked(rc.use_kbmap);
 458         firstKeymapED->setText(toqstr(external_path(rc.primary_kbmap)));
 459         secondKeymapED->setText(toqstr(external_path(rc.secondary_kbmap)));
 460         mouseWheelSpeedSB->setValue(rc.mouse_wheel_speed);
 461 }
 462
 463
 464 QString PrefInput::testKeymap(QString const & keymap)
 465 {
 466         return form_->browsekbmap(internalPath(keymap));
 467 }
 468
 469
 470 void PrefInput::on_firstKeymapPB_clicked(bool)
 471 {
 472         QString const file = testKeymap(firstKeymapED->text());
 473         if (!file.isEmpty())
 474                 firstKeymapED->setText(file);
 475 }
 476
 477
 478 void PrefInput::on_secondKeymapPB_clicked(bool)
 479 {
 480         QString const file = testKeymap(secondKeymapED->text());
 481         if (!file.isEmpty())
 482                 secondKeymapED->setText(file);
 483 }
 484
 485
 486 void PrefInput::on_keymapCB_toggled(bool keymap)
 487 {
 488         firstKeymapLA->setEnabled(keymap);
 489         secondKeymapLA->setEnabled(keymap);
 490         firstKeymapED->setEnabled(keymap);
 491         secondKeymapED->setEnabled(keymap);
 492         firstKeymapPB->setEnabled(keymap);
 493         secondKeymapPB->setEnabled(keymap);
 494 }
 495
 496
 497 /////////////////////////////////////////////////////////////////////
 498 //
 499 // PrefCompletion
 500 //
 501 /////////////////////////////////////////////////////////////////////
 502
 503 PrefCompletion::PrefCompletion(GuiPreferences * form)
 504         : PrefModule(qt_(catEditing), qt_("Input Completion"), form)
 505 {
 506         setupUi(this);
 507
 508         connect(inlineDelaySB, SIGNAL(valueChanged(double)),
 509                 this, SIGNAL(changed()));
 510         connect(inlineMathCB, SIGNAL(clicked()),
 511                 this, SIGNAL(changed()));
 512         connect(inlineTextCB, SIGNAL(clicked()),
 513                 this, SIGNAL(changed()));
 514         connect(inlineDotsCB, SIGNAL(clicked()),
 515                 this, SIGNAL(changed()));
 516         connect(popupDelaySB, SIGNAL(valueChanged(double)),
 517                 this, SIGNAL(changed()));
 518         connect(popupMathCB, SIGNAL(clicked()),
 519                 this, SIGNAL(changed()));
 520         connect(autocorrectionCB, SIGNAL(clicked()),
 521                 this, SIGNAL(changed()));
 522         connect(popupTextCB, SIGNAL(clicked()),
 523                 this, SIGNAL(changed()));
 524         connect(popupAfterCompleteCB, SIGNAL(clicked()),
 525                 this, SIGNAL(changed()));
 526         connect(cursorTextCB, SIGNAL(clicked()),
 527                 this, SIGNAL(changed()));
 528 }
 529
 530
 531 void PrefCompletion::on_inlineTextCB_clicked()
 532 {
 533         enableCB();
 534 }
 535
 536
 537 void PrefCompletion::on_popupTextCB_clicked()
 538 {
 539         enableCB();
 540 }
 541
 542
 543 void PrefCompletion::enableCB()
 544 {
 545         cursorTextCB->setEnabled(
 546                 popupTextCB->isChecked() || inlineTextCB->isChecked());
 547 }
 548
 549
 550 void PrefCompletion::apply(LyXRC & rc) const
 551 {
 552         rc.completion_inline_delay = inlineDelaySB->value();
 553         rc.completion_inline_math = inlineMathCB->isChecked();
 554         rc.completion_inline_text = inlineTextCB->isChecked();
 555         rc.completion_inline_dots = inlineDotsCB->isChecked() ? 13 : -1;
 556         rc.completion_popup_delay = popupDelaySB->value();
 557         rc.completion_popup_math = popupMathCB->isChecked();
 558         rc.autocorrection_math = autocorrectionCB->isChecked();
 559         rc.completion_popup_text = popupTextCB->isChecked();
 560         rc.completion_cursor_text = cursorTextCB->isChecked();
 561         rc.completion_popup_after_complete =
 562                 popupAfterCompleteCB->isChecked();
 563 }
 564
 565
 566 void PrefCompletion::update(LyXRC const & rc)
 567 {
 568         inlineDelaySB->setValue(rc.completion_inline_delay);
 569         inlineMathCB->setChecked(rc.completion_inline_math);
 570         inlineTextCB->setChecked(rc.completion_inline_text);
 571         inlineDotsCB->setChecked(rc.completion_inline_dots != -1);
 572         popupDelaySB->setValue(rc.completion_popup_delay);
 573         popupMathCB->setChecked(rc.completion_popup_math);
 574         autocorrectionCB->setChecked(rc.autocorrection_math);
 575         popupTextCB->setChecked(rc.completion_popup_text);
 576         cursorTextCB->setChecked(rc.completion_cursor_text);
 577         popupAfterCompleteCB->setChecked(rc.completion_popup_after_complete);
 578         enableCB();
 579 }
 580
 581
 582
 583 /////////////////////////////////////////////////////////////////////
 584 //
 585 // PrefLatex
 586 //
 587 /////////////////////////////////////////////////////////////////////
 588
 589 PrefLatex::PrefLatex(GuiPreferences * form)
 590         : PrefModule(qt_(catOutput), qt_("LaTeX"), form)
 591 {
 592         setupUi(this);
 593         connect(latexEncodingED, SIGNAL(textChanged(QString)),
 594                 this, SIGNAL(changed()));
 595         connect(latexChecktexED, SIGNAL(textChanged(QString)),
 596                 this, SIGNAL(changed()));
 597         connect(latexBibtexCO, SIGNAL(activated(int)),
 598                 this, SIGNAL(changed()));
 599         connect(latexBibtexED, SIGNAL(textChanged(QString)),
 600                 this, SIGNAL(changed()));
 601         connect(latexJBibtexED, SIGNAL(textChanged(QString)),
 602                 this, SIGNAL(changed()));
 603         connect(latexIndexCO, SIGNAL(activated(int)),
 604                 this, SIGNAL(changed()));
 605         connect(latexIndexED, SIGNAL(textChanged(QString)),
 606                 this, SIGNAL(changed()));
 607         connect(latexJIndexED, SIGNAL(textChanged(QString)),
 608                 this, SIGNAL(changed()));
 609         connect(latexAutoresetCB, SIGNAL(clicked()),
 610                 this, SIGNAL(changed()));
 611         connect(latexDviPaperED, SIGNAL(textChanged(QString)),
 612                 this, SIGNAL(changed()));
 613         connect(latexPaperSizeCO, SIGNAL(activated(int)),
 614                 this, SIGNAL(changed()));
 615
 616 #if defined(__CYGWIN__) || defined(_WIN32)
 617         pathCB->setVisible(true);
 618         connect(pathCB, SIGNAL(clicked()),
 619                 this, SIGNAL(changed()));
 620 #else
 621         pathCB->setVisible(false);
 622 #endif
 623 }
 624
 625
 626 void PrefLatex::on_latexBibtexCO_activated(int n)
 627 {
 628         QString const bibtex = latexBibtexCO->itemData(n).toString();
 629         if (bibtex.isEmpty()) {
 630                 latexBibtexED->clear();
 631                 latexBibtexOptionsLA->setText(qt_("Co&mmand:"));
 632                 return;
 633         }
 634         for (set<string>::const_iterator it = bibtex_alternatives.begin();
 635              it != bibtex_alternatives.end(); ++it) {
 636                 QString const bib = toqstr(*it);
 637                 int ind = bib.indexOf(" ");
 638                 QString sel_command = bib.left(ind);
 639                 QString sel_options = ind < 0 ? QString() : bib.mid(ind + 1);
 640                 if (bibtex == sel_command) {
 641                         if (ind < 0)
 642                                 latexBibtexED->clear();
 643                         else
 644                                 latexBibtexED->setText(sel_options.trimmed());
 645                 }
 646         }
 647         latexBibtexOptionsLA->setText(qt_("&Options:"));
 648 }
 649
 650
 651 void PrefLatex::on_latexIndexCO_activated(int n)
 652 {
 653         QString const index = latexIndexCO->itemData(n).toString();
 654         if (index.isEmpty()) {
 655                 latexIndexED->clear();
 656                 latexIndexOptionsLA->setText(qt_("Co&mmand:"));
 657                 return;
 658         }
 659         for (set<string>::const_iterator it = index_alternatives.begin();
 660              it != index_alternatives.end(); ++it) {
 661                 QString const idx = toqstr(*it);
 662                 int ind = idx.indexOf(" ");
 663                 QString sel_command = idx.left(ind);
 664                 QString sel_options = ind < 0 ? QString() : idx.mid(ind + 1);
 665                 if (index == sel_command) {
 666                         if (ind < 0)
 667                                 latexIndexED->clear();
 668                         else
 669                                 latexIndexED->setText(sel_options.trimmed());
 670                 }
 671         }
 672         latexIndexOptionsLA->setText(qt_("Op&tions:"));
 673 }
 674
 675
 676 void PrefLatex::apply(LyXRC & rc) const
 677 {
 678         // If bibtex is not empty, bibopt contains the options, otherwise
 679         // it is a customized bibtex command with options.
 680         QString const bibtex = latexBibtexCO->itemData(
 681                 latexBibtexCO->currentIndex()).toString();
 682         QString const bibopt = latexBibtexED->text();
 683         if (bibtex.isEmpty())
 684                 rc.bibtex_command = fromqstr(bibopt);
 685         else if (bibopt.isEmpty())
 686                 rc.bibtex_command = fromqstr(bibtex);
 687         else
 688                 rc.bibtex_command = fromqstr(bibtex) + " " + fromqstr(bibopt);
 689
 690         // If index is not empty, idxopt contains the options, otherwise
 691         // it is a customized index command with options.
 692         QString const index = latexIndexCO->itemData(
 693                 latexIndexCO->currentIndex()).toString();
 694         QString const idxopt = latexIndexED->text();
 695         if (index.isEmpty())
 696                 rc.index_command = fromqstr(idxopt);
 697         else if (idxopt.isEmpty())
 698                 rc.index_command = fromqstr(index);
 699         else
 700                 rc.index_command = fromqstr(index) + " " + fromqstr(idxopt);
 701
 702         rc.fontenc = fromqstr(latexEncodingED->text());
 703         rc.chktex_command = fromqstr(latexChecktexED->text());
 704         rc.jbibtex_command = fromqstr(latexJBibtexED->text());
 705         rc.jindex_command = fromqstr(latexJIndexED->text());
 706         rc.nomencl_command = fromqstr(latexNomenclED->text());
 707         rc.auto_reset_options = latexAutoresetCB->isChecked();
 708         rc.view_dvi_paper_option = fromqstr(latexDviPaperED->text());
 709         rc.default_papersize =
 710                 form_->toPaperSize(latexPaperSizeCO->currentIndex());
 711 #if defined(__CYGWIN__) || defined(_WIN32)
 712         rc.windows_style_tex_paths = pathCB->isChecked();
 713 #endif
 714 }
 715
 716
 717 void PrefLatex::update(LyXRC const & rc)
 718 {
 719         latexBibtexCO->clear();
 720
 721         latexBibtexCO->addItem(qt_("Custom"), QString());
 722         for (set<string>::const_iterator it = rc.bibtex_alternatives.begin();
 723                              it != rc.bibtex_alternatives.end(); ++it) {
 724                 QString const command = toqstr(*it).left(toqstr(*it).indexOf(" "));
 725                 latexBibtexCO->addItem(command, command);
 726         }
 727
 728         bibtex_alternatives = rc.bibtex_alternatives;
 729
 730         QString const bib = toqstr(rc.bibtex_command);
 731         int ind = bib.indexOf(" ");
 732         QString sel_command = bib.left(ind);
 733         QString sel_options = ind < 0 ? QString() : bib.mid(ind + 1);
 734
 735         int pos = latexBibtexCO->findData(sel_command);
 736         if (pos != -1) {
 737                 latexBibtexCO->setCurrentIndex(pos);
 738                 latexBibtexED->setText(sel_options.trimmed());
 739                 latexBibtexOptionsLA->setText(qt_("&Options:"));
 740         } else {
 741                 latexBibtexED->setText(toqstr(rc.bibtex_command));
 742                 latexBibtexCO->setCurrentIndex(0);
 743                 latexBibtexOptionsLA->setText(qt_("Co&mmand:"));
 744         }
 745
 746         latexIndexCO->clear();
 747
 748         latexIndexCO->addItem(qt_("Custom"), QString());
 749         for (set<string>::const_iterator it = rc.index_alternatives.begin();
 750                              it != rc.index_alternatives.end(); ++it) {
 751                 QString const command = toqstr(*it).left(toqstr(*it).indexOf(" "));
 752                 latexIndexCO->addItem(command, command);
 753         }
 754
 755         index_alternatives = rc.index_alternatives;
 756
 757         QString const idx = toqstr(rc.index_command);
 758         ind = idx.indexOf(" ");
 759         sel_command = idx.left(ind);
 760         sel_options = ind < 0 ? QString() : idx.mid(ind + 1);
 761
 762         pos = latexIndexCO->findData(sel_command);
 763         if (pos != -1) {
 764                 latexIndexCO->setCurrentIndex(pos);
 765                 latexIndexED->setText(sel_options.trimmed());
 766                 latexIndexOptionsLA->setText(qt_("Op&tions:"));
 767         } else {
 768                 latexIndexED->setText(toqstr(rc.index_command));
 769                 latexIndexCO->setCurrentIndex(0);
 770                 latexIndexOptionsLA->setText(qt_("Co&mmand:"));
 771         }
 772
 773         latexEncodingED->setText(toqstr(rc.fontenc));
 774         latexChecktexED->setText(toqstr(rc.chktex_command));
 775         latexJBibtexED->setText(toqstr(rc.jbibtex_command));
 776         latexJIndexED->setText(toqstr(rc.jindex_command));
 777         latexNomenclED->setText(toqstr(rc.nomencl_command));
 778         latexAutoresetCB->setChecked(rc.auto_reset_options);
 779         latexDviPaperED->setText(toqstr(rc.view_dvi_paper_option));
 780         latexPaperSizeCO->setCurrentIndex(
 781                 form_->fromPaperSize(rc.default_papersize));
 782 #if defined(__CYGWIN__) || defined(_WIN32)
 783         pathCB->setChecked(rc.windows_style_tex_paths);
 784 #endif
 785 }
 786
 787
 788 /////////////////////////////////////////////////////////////////////
 789 //
 790 // PrefScreenFonts
 791 //
 792 /////////////////////////////////////////////////////////////////////
 793
 794 PrefScreenFonts::PrefScreenFonts(GuiPreferences * form)
 795         : PrefModule(qt_(catLookAndFeel), qt_("Screen fonts"), form)
 796 {
 797         setupUi(this);
 798
 799         connect(screenRomanCO, SIGNAL(activated(QString)),
 800                 this, SLOT(selectRoman(QString)));
 801         connect(screenSansCO, SIGNAL(activated(QString)),
 802                 this, SLOT(selectSans(QString)));
 803         connect(screenTypewriterCO, SIGNAL(activated(QString)),
 804                 this, SLOT(selectTypewriter(QString)));
 805
 806         QFontDatabase fontdb;
 807         QStringList families(fontdb.families());
 808         for (QStringList::Iterator it = families.begin(); it != families.end(); ++it) {
 809                 screenRomanCO->addItem(*it);
 810                 screenSansCO->addItem(*it);
 811                 screenTypewriterCO->addItem(*it);
 812         }
 813         connect(screenRomanCO, SIGNAL(activated(QString)),
 814                 this, SIGNAL(changed()));
 815         connect(screenSansCO, SIGNAL(activated(QString)),
 816                 this, SIGNAL(changed()));
 817         connect(screenTypewriterCO, SIGNAL(activated(QString)),
 818                 this, SIGNAL(changed()));
 819         connect(screenZoomSB, SIGNAL(valueChanged(int)),
 820                 this, SIGNAL(changed()));
 821         connect(screenDpiSB, SIGNAL(valueChanged(int)),
 822                 this, SIGNAL(changed()));
 823         connect(screenTinyED, SIGNAL(textChanged(QString)),
 824                 this, SIGNAL(changed()));
 825         connect(screenSmallestED, SIGNAL(textChanged(QString)),
 826                 this, SIGNAL(changed()));
 827         connect(screenSmallerED, SIGNAL(textChanged(QString)),
 828                 this, SIGNAL(changed()));
 829         connect(screenSmallED, SIGNAL(textChanged(QString)),
 830                 this, SIGNAL(changed()));
 831         connect(screenNormalED, SIGNAL(textChanged(QString)),
 832                 this, SIGNAL(changed()));
 833         connect(screenLargeED, SIGNAL(textChanged(QString)),
 834                 this, SIGNAL(changed()));
 835         connect(screenLargerED, SIGNAL(textChanged(QString)),
 836                 this, SIGNAL(changed()));
 837         connect(screenLargestED, SIGNAL(textChanged(QString)),
 838                 this, SIGNAL(changed()));
 839         connect(screenHugeED, SIGNAL(textChanged(QString)),
 840                 this, SIGNAL(changed()));
 841         connect(screenHugerED, SIGNAL(textChanged(QString)),
 842                 this, SIGNAL(changed()));
 843         connect(pixmapCacheCB, SIGNAL(toggled(bool)),
 844                 this, SIGNAL(changed()));
 845
 846         screenTinyED->setValidator(new QDoubleValidator(screenTinyED));
 847         screenSmallestED->setValidator(new QDoubleValidator(screenSmallestED));
 848         screenSmallerED->setValidator(new QDoubleValidator(screenSmallerED));
 849         screenSmallED->setValidator(new QDoubleValidator(screenSmallED));
 850         screenNormalED->setValidator(new QDoubleValidator(screenNormalED));
 851         screenLargeED->setValidator(new QDoubleValidator(screenLargeED));
 852         screenLargerED->setValidator(new QDoubleValidator(screenLargerED));
 853         screenLargestED->setValidator(new QDoubleValidator(screenLargestED));
 854         screenHugeED->setValidator(new QDoubleValidator(screenHugeED));
 855         screenHugerED->setValidator(new QDoubleValidator(screenHugerED));
 856 }
 857
 858
 859 void PrefScreenFonts::apply(LyXRC & rc) const
 860 {
 861         LyXRC const oldrc = rc;
 862
 863         parseFontName(screenRomanCO->currentText(),
 864                 rc.roman_font_name, rc.roman_font_foundry);
 865         parseFontName(screenSansCO->currentText(),
 866                 rc.sans_font_name, rc.sans_font_foundry);
 867         parseFontName(screenTypewriterCO->currentText(),
 868                 rc.typewriter_font_name, rc.typewriter_font_foundry);
 869
 870         rc.zoom = screenZoomSB->value();
 871         rc.dpi = screenDpiSB->value();
 872         rc.font_sizes[FONT_SIZE_TINY] = widgetToDoubleStr(screenTinyED);
 873         rc.font_sizes[FONT_SIZE_SCRIPT] = widgetToDoubleStr(screenSmallestED);
 874         rc.font_sizes[FONT_SIZE_FOOTNOTE] = widgetToDoubleStr(screenSmallerED);
 875         rc.font_sizes[FONT_SIZE_SMALL] = widgetToDoubleStr(screenSmallED);
 876         rc.font_sizes[FONT_SIZE_NORMAL] = widgetToDoubleStr(screenNormalED);
 877         rc.font_sizes[FONT_SIZE_LARGE] = widgetToDoubleStr(screenLargeED);
 878         rc.font_sizes[FONT_SIZE_LARGER] = widgetToDoubleStr(screenLargerED);
 879         rc.font_sizes[FONT_SIZE_LARGEST] = widgetToDoubleStr(screenLargestED);
 880         rc.font_sizes[FONT_SIZE_HUGE] = widgetToDoubleStr(screenHugeED);
 881         rc.font_sizes[FONT_SIZE_HUGER] = widgetToDoubleStr(screenHugerED);
 882         rc.use_pixmap_cache = pixmapCacheCB->isChecked();
 883
 884         if (rc.font_sizes != oldrc.font_sizes
 885                 || rc.roman_font_name != oldrc.roman_font_name
 886                 || rc.sans_font_name != oldrc.sans_font_name
 887                 || rc.typewriter_font_name != oldrc.typewriter_font_name
 888                 || rc.zoom != oldrc.zoom || rc.dpi != oldrc.dpi) {
 889                 // The global QPixmapCache is used in GuiPainter to cache text
 890                 // painting so we must reset it in case any of the above
 891                 // parameter is changed.
 892                 QPixmapCache::clear();
 893                 guiApp->fontLoader().update();
 894                 form_->updateScreenFonts();
 895         }
 896 }
 897
 898
 899 void PrefScreenFonts::update(LyXRC const & rc)
 900 {
 901         setComboxFont(screenRomanCO, rc.roman_font_name,
 902                         rc.roman_font_foundry);
 903         setComboxFont(screenSansCO, rc.sans_font_name,
 904                         rc.sans_font_foundry);
 905         setComboxFont(screenTypewriterCO, rc.typewriter_font_name,
 906                         rc.typewriter_font_foundry);
 907
 908         selectRoman(screenRomanCO->currentText());
 909         selectSans(screenSansCO->currentText());
 910         selectTypewriter(screenTypewriterCO->currentText());
 911
 912         screenZoomSB->setValue(rc.zoom);
 913         screenDpiSB->setValue(rc.dpi);
 914         doubleToWidget(screenTinyED, rc.font_sizes[FONT_SIZE_TINY]);
 915         doubleToWidget(screenSmallestED, rc.font_sizes[FONT_SIZE_SCRIPT]);
 916         doubleToWidget(screenSmallerED, rc.font_sizes[FONT_SIZE_FOOTNOTE]);
 917         doubleToWidget(screenSmallED, rc.font_sizes[FONT_SIZE_SMALL]);
 918         doubleToWidget(screenNormalED, rc.font_sizes[FONT_SIZE_NORMAL]);
 919         doubleToWidget(screenLargeED, rc.font_sizes[FONT_SIZE_LARGE]);
 920         doubleToWidget(screenLargerED, rc.font_sizes[FONT_SIZE_LARGER]);
 921         doubleToWidget(screenLargestED, rc.font_sizes[FONT_SIZE_LARGEST]);
 922         doubleToWidget(screenHugeED, rc.font_sizes[FONT_SIZE_HUGE]);
 923         doubleToWidget(screenHugerED, rc.font_sizes[FONT_SIZE_HUGER]);
 924
 925         pixmapCacheCB->setChecked(rc.use_pixmap_cache);
 926 #if defined(Q_WS_X11)
 927         pixmapCacheCB->setEnabled(false);
 928 #endif
 929
 930 }
 931
 932
 933 void PrefScreenFonts::selectRoman(const QString & name)
 934 {
 935         screenRomanFE->set(QFont(name), name);
 936 }
 937
 938
 939 void PrefScreenFonts::selectSans(const QString & name)
 940 {
 941         screenSansFE->set(QFont(name), name);
 942 }
 943
 944
 945 void PrefScreenFonts::selectTypewriter(const QString & name)
 946 {
 947         screenTypewriterFE->set(QFont(name), name);
 948 }
 949
 950
 951 /////////////////////////////////////////////////////////////////////
 952 //
 953 // PrefColors
 954 //
 955 /////////////////////////////////////////////////////////////////////
 956
 957 namespace {
 958
 959 struct ColorSorter
 960 {
 961         bool operator()(ColorCode lhs, ColorCode rhs) const {
 962                 return
 963                         compare_no_case(lcolor.getGUIName(lhs), lcolor.getGUIName(rhs)) < 0;
 964         }
 965 };
 966
 967 } // namespace anon
 968
 969 PrefColors::PrefColors(GuiPreferences * form)
 970         : PrefModule(qt_(catLookAndFeel), qt_("Colors"), form)
 971 {
 972         setupUi(this);
 973
 974         // FIXME: all of this initialization should be put into the controller.
 975         // See http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg113301.html
 976         // for some discussion of why that is not trivial.
 977         QPixmap icon(32, 32);
 978         for (int i = 0; i < Color_ignore; ++i) {
 979                 ColorCode lc = static_cast<ColorCode>(i);
 980                 if (lc == Color_none
 981                         || lc == Color_black
 982                         || lc == Color_white
 983                         || lc == Color_red
 984                         || lc == Color_green
 985                         || lc == Color_blue
 986                         || lc == Color_cyan
 987                         || lc == Color_magenta
 988                         || lc == Color_yellow
 989                         || lc == Color_inherit
 990                         || lc == Color_ignore) continue;
 991
 992                 lcolors_.push_back(lc);
 993         }
 994         sort(lcolors_.begin(), lcolors_.end(), ColorSorter());
 995         vector<ColorCode>::const_iterator cit = lcolors_.begin();
 996         vector<ColorCode>::const_iterator const end = lcolors_.end();
 997         for (; cit != end; ++cit) {
 998                         (void) new QListWidgetItem(QIcon(icon),
 999                         toqstr(lcolor.getGUIName(*cit)), lyxObjectsLW);
1000         }
1001         curcolors_.resize(lcolors_.size());
1002         newcolors_.resize(lcolors_.size());
1003         // End initialization
1004
1005         connect(colorChangePB, SIGNAL(clicked()),
1006                 this, SLOT(changeColor()));
1007         connect(lyxObjectsLW, SIGNAL(itemSelectionChanged()),
1008                 this, SLOT(changeLyxObjectsSelection()));
1009         connect(lyxObjectsLW, SIGNAL(itemActivated(QListWidgetItem*)),
1010                 this, SLOT(changeColor()));
1011 }
1012
1013
1014 void PrefColors::apply(LyXRC & /*rc*/) const
1015 {
1016         for (unsigned int i = 0; i < lcolors_.size(); ++i)
1017                 if (curcolors_[i] != newcolors_[i])
1018                         form_->setColor(lcolors_[i], newcolors_[i]);
1019 }
1020
1021
1022 void PrefColors::update(LyXRC const & /*rc*/)
1023 {
1024         for (unsigned int i = 0; i < lcolors_.size(); ++i) {
1025                 QColor color = QColor(guiApp->colorCache().get(lcolors_[i]));
1026                 QPixmap coloritem(32, 32);
1027                 coloritem.fill(color);
1028                 lyxObjectsLW->item(i)->setIcon(QIcon(coloritem));
1029                 newcolors_[i] = curcolors_[i] = color.name();
1030         }
1031         changeLyxObjectsSelection();
1032 }
1033
1034
1035 void PrefColors::changeColor()
1036 {
1037         int const row = lyxObjectsLW->currentRow();
1038
1039         // just to be sure
1040         if (row < 0)
1041                 return;
1042
1043         QString const color = newcolors_[row];
1044         QColor c = QColorDialog::getColor(QColor(color), qApp->focusWidget());
1045
1046         if (c.isValid() && c.name() != color) {
1047                 newcolors_[row] = c.name();
1048                 QPixmap coloritem(32, 32);
1049                 coloritem.fill(c);
1050                 lyxObjectsLW->currentItem()->setIcon(QIcon(coloritem));
1051                 // emit signal
1052                 changed();
1053         }
1054 }
1055
1056 void PrefColors::changeLyxObjectsSelection()
1057 {
1058         colorChangePB->setDisabled(lyxObjectsLW->currentRow() < 0);
1059 }
1060
1061
1062 /////////////////////////////////////////////////////////////////////
1063 //
1064 // PrefDisplay
1065 //
1066 /////////////////////////////////////////////////////////////////////
1067
1068 PrefDisplay::PrefDisplay(GuiPreferences * form)
1069         : PrefModule(qt_(catLookAndFeel), qt_("Graphics"), form)
1070 {
1071         setupUi(this);
1072         connect(displayGraphicsCB, SIGNAL(toggled(bool)), this, SIGNAL(changed()));
1073         connect(instantPreviewCO, SIGNAL(activated(int)), this, SIGNAL(changed()));
1074 }
1075
1076
1077 void PrefDisplay::apply(LyXRC & rc) const
1078 {
1079         switch (instantPreviewCO->currentIndex()) {
1080                 case 0: rc.preview = LyXRC::PREVIEW_OFF; break;
1081                 case 1: rc.preview = LyXRC::PREVIEW_NO_MATH; break;
1082                 case 2: rc.preview = LyXRC::PREVIEW_ON; break;
1083         }
1084
1085         rc.display_graphics = displayGraphicsCB->isChecked();
1086
1087         // FIXME!! The graphics cache no longer has a changeDisplay method.
1088 #if 0
1089         if (old_value != rc.display_graphics) {
1090                 graphics::GCache & gc = graphics::GCache::get();
1091                 gc.changeDisplay();
1092         }
1093 #endif
1094 }
1095
1096
1097 void PrefDisplay::update(LyXRC const & rc)
1098 {
1099         switch (rc.preview) {
1100         case LyXRC::PREVIEW_OFF:
1101                 instantPreviewCO->setCurrentIndex(0);
1102                 break;
1103         case LyXRC::PREVIEW_NO_MATH :
1104                 instantPreviewCO->setCurrentIndex(1);
1105                 break;
1106         case LyXRC::PREVIEW_ON :
1107                 instantPreviewCO->setCurrentIndex(2);
1108                 break;
1109         }
1110
1111         displayGraphicsCB->setChecked(rc.display_graphics);
1112         instantPreviewCO->setEnabled(rc.display_graphics);
1113 }
1114
1115
1116 /////////////////////////////////////////////////////////////////////
1117 //
1118 // PrefPaths
1119 //
1120 /////////////////////////////////////////////////////////////////////
1121
1122 PrefPaths::PrefPaths(GuiPreferences * form)
1123         : PrefModule(QString(), qt_("Paths"), form)
1124 {
1125         setupUi(this);
1126         connect(exampleDirPB, SIGNAL(clicked()), this, SLOT(selectExampledir()));
1127         connect(templateDirPB, SIGNAL(clicked()), this, SLOT(selectTemplatedir()));
1128         connect(tempDirPB, SIGNAL(clicked()), this, SLOT(selectTempdir()));
1129         connect(backupDirPB, SIGNAL(clicked()), this, SLOT(selectBackupdir()));
1130         connect(workingDirPB, SIGNAL(clicked()), this, SLOT(selectWorkingdir()));
1131         connect(lyxserverDirPB, SIGNAL(clicked()), this, SLOT(selectLyxPipe()));
1132         connect(thesaurusDirPB, SIGNAL(clicked()), this, SLOT(selectThesaurusdir()));
1133         connect(hunspellDirPB, SIGNAL(clicked()), this, SLOT(selectHunspelldir()));
1134         connect(workingDirED, SIGNAL(textChanged(QString)),
1135                 this, SIGNAL(changed()));
1136         connect(exampleDirED, SIGNAL(textChanged(QString)),
1137                 this, SIGNAL(changed()));
1138         connect(templateDirED, SIGNAL(textChanged(QString)),
1139                 this, SIGNAL(changed()));
1140         connect(backupDirED, SIGNAL(textChanged(QString)),
1141                 this, SIGNAL(changed()));
1142         connect(tempDirED, SIGNAL(textChanged(QString)),
1143                 this, SIGNAL(changed()));
1144         connect(lyxserverDirED, SIGNAL(textChanged(QString)),
1145                 this, SIGNAL(changed()));
1146         connect(thesaurusDirED, SIGNAL(textChanged(QString)),
1147                 this, SIGNAL(changed()));
1148         connect(pathPrefixED, SIGNAL(textChanged(QString)),
1149                 this, SIGNAL(changed()));
1150 }
1151
1152
1153 void PrefPaths::apply(LyXRC & rc) const
1154 {
1155         rc.document_path = internal_path(fromqstr(workingDirED->text()));
1156         rc.example_path = internal_path(fromqstr(exampleDirED->text()));
1157         rc.template_path = internal_path(fromqstr(templateDirED->text()));
1158         rc.backupdir_path = internal_path(fromqstr(backupDirED->text()));
1159         rc.tempdir_path = internal_path(fromqstr(tempDirED->text()));
1160         rc.thesaurusdir_path = internal_path(fromqstr(thesaurusDirED->text()));
1161         rc.hunspelldir_path = internal_path(fromqstr(hunspellDirED->text()));
1162         rc.path_prefix = internal_path_list(fromqstr(pathPrefixED->text()));
1163         // FIXME: should be a checkbox only
1164         rc.lyxpipes = internal_path(fromqstr(lyxserverDirED->text()));
1165 }
1166
1167
1168 void PrefPaths::update(LyXRC const & rc)
1169 {
1170         workingDirED->setText(toqstr(external_path(rc.document_path)));
1171         exampleDirED->setText(toqstr(external_path(rc.example_path)));
1172         templateDirED->setText(toqstr(external_path(rc.template_path)));
1173         backupDirED->setText(toqstr(external_path(rc.backupdir_path)));
1174         tempDirED->setText(toqstr(external_path(rc.tempdir_path)));
1175         thesaurusDirED->setText(toqstr(external_path(rc.thesaurusdir_path)));
1176         hunspellDirED->setText(toqstr(external_path(rc.hunspelldir_path)));
1177         pathPrefixED->setText(toqstr(external_path_list(rc.path_prefix)));
1178         // FIXME: should be a checkbox only
1179         lyxserverDirED->setText(toqstr(external_path(rc.lyxpipes)));
1180 }
1181
1182
1183 void PrefPaths::selectExampledir()
1184 {
1185         QString file = browseDir(internalPath(exampleDirED->text()),
1186                 qt_("Select directory for example files"));
1187         if (!file.isEmpty())
1188                 exampleDirED->setText(file);
1189 }
1190
1191
1192 void PrefPaths::selectTemplatedir()
1193 {
1194         QString file = browseDir(internalPath(templateDirED->text()),
1195                 qt_("Select a document templates directory"));
1196         if (!file.isEmpty())
1197                 templateDirED->setText(file);
1198 }
1199
1200
1201 void PrefPaths::selectTempdir()
1202 {
1203         QString file = browseDir(internalPath(tempDirED->text()),
1204                 qt_("Select a temporary directory"));
1205         if (!file.isEmpty())
1206                 tempDirED->setText(file);
1207 }
1208
1209
1210 void PrefPaths::selectBackupdir()
1211 {
1212         QString file = browseDir(internalPath(backupDirED->text()),
1213                 qt_("Select a backups directory"));
1214         if (!file.isEmpty())
1215                 backupDirED->setText(file);
1216 }
1217
1218
1219 void PrefPaths::selectWorkingdir()
1220 {
1221         QString file = browseDir(internalPath(workingDirED->text()),
1222                 qt_("Select a document directory"));
1223         if (!file.isEmpty())
1224                 workingDirED->setText(file);
1225 }
1226
1227
1228 void PrefPaths::selectThesaurusdir()
1229 {
1230         QString file = browseDir(internalPath(thesaurusDirED->text()),
1231                 qt_("Set the path to the thesaurus dictionaries"));
1232         if (!file.isEmpty())
1233                 thesaurusDirED->setText(file);
1234 }
1235
1236
1237 void PrefPaths::selectHunspelldir()
1238 {
1239         QString file = browseDir(internalPath(hunspellDirED->text()),
1240                 qt_("Set the path to the Hunspell dictionaries"));
1241         if (!file.isEmpty())
1242                 hunspellDirED->setText(file);
1243 }
1244
1245
1246 void PrefPaths::selectLyxPipe()
1247 {
1248         QString file = form_->browse(internalPath(lyxserverDirED->text()),
1249                 qt_("Give a filename for the LyX server pipe"));
1250         if (!file.isEmpty())
1251                 lyxserverDirED->setText(file);
1252 }
1253
1254
1255 /////////////////////////////////////////////////////////////////////
1256 //
1257 // PrefSpellchecker
1258 //
1259 /////////////////////////////////////////////////////////////////////
1260
1261 PrefSpellchecker::PrefSpellchecker(GuiPreferences * form)
1262         : PrefModule(qt_(catLanguage), qt_("Spellchecker"), form)
1263 {
1264         setupUi(this);
1265
1266         spellcheckerCB->addItem("aspell");
1267         spellcheckerCB->addItem("hunspell");
1268
1269         connect(spellcheckerCB, SIGNAL(currentIndexChanged(int)),
1270                 this, SIGNAL(changed()));
1271         connect(altLanguageED, SIGNAL(textChanged(QString)),
1272                 this, SIGNAL(changed()));
1273         connect(escapeCharactersED, SIGNAL(textChanged(QString)),
1274                 this, SIGNAL(changed()));
1275         connect(compoundWordCB, SIGNAL(clicked()),
1276                 this, SIGNAL(changed()));
1277         connect(spellcheckContinuouslyCB, SIGNAL(clicked()),
1278                 this, SIGNAL(changed()));
1279 }
1280
1281
1282 void PrefSpellchecker::apply(LyXRC & rc) const
1283 {
1284         rc.spellchecker = fromqstr(spellcheckerCB->currentText());
1285         rc.spellchecker_alt_lang = fromqstr(altLanguageED->text());
1286         rc.spellchecker_esc_chars = fromqstr(escapeCharactersED->text());
1287         rc.spellchecker_accept_compound = compoundWordCB->isChecked();
1288         rc.spellcheck_continuously = spellcheckContinuouslyCB->isChecked();
1289 }
1290
1291
1292 void PrefSpellchecker::update(LyXRC const & rc)
1293 {
1294         spellcheckerCB->setCurrentIndex(spellcheckerCB->findText(
1295                 toqstr(rc.spellchecker)));
1296         altLanguageED->setText(toqstr(rc.spellchecker_alt_lang));
1297         escapeCharactersED->setText(toqstr(rc.spellchecker_esc_chars));
1298         compoundWordCB->setChecked(rc.spellchecker_accept_compound);
1299         spellcheckContinuouslyCB->setChecked(rc.spellcheck_continuously);
1300 }
1301
1302
1303
1304 /////////////////////////////////////////////////////////////////////
1305 //
1306 // PrefConverters
1307 //
1308 /////////////////////////////////////////////////////////////////////
1309
1310
1311 PrefConverters::PrefConverters(GuiPreferences * form)
1312         : PrefModule(qt_(catFiles), qt_("Converters"), form)
1313 {
1314         setupUi(this);
1315
1316         connect(converterNewPB, SIGNAL(clicked()),
1317                 this, SLOT(updateConverter()));
1318         connect(converterRemovePB, SIGNAL(clicked()),
1319                 this, SLOT(removeConverter()));
1320         connect(converterModifyPB, SIGNAL(clicked()),
1321                 this, SLOT(updateConverter()));
1322         connect(convertersLW, SIGNAL(currentRowChanged(int)),
1323                 this, SLOT(switchConverter()));
1324         connect(converterFromCO, SIGNAL(activated(QString)),
1325                 this, SLOT(changeConverter()));
1326         connect(converterToCO, SIGNAL(activated(QString)),
1327                 this, SLOT(changeConverter()));
1328         connect(converterED, SIGNAL(textEdited(QString)),
1329                 this, SLOT(changeConverter()));
1330         connect(converterFlagED, SIGNAL(textEdited(QString)),
1331                 this, SLOT(changeConverter()));
1332         connect(converterNewPB, SIGNAL(clicked()),
1333                 this, SIGNAL(changed()));
1334         connect(converterRemovePB, SIGNAL(clicked()),
1335                 this, SIGNAL(changed()));
1336         connect(converterModifyPB, SIGNAL(clicked()),
1337                 this, SIGNAL(changed()));
1338         connect(maxAgeLE, SIGNAL(textEdited(QString)),
1339                 this, SIGNAL(changed()));
1340
1341         maxAgeLE->setValidator(new QDoubleValidator(maxAgeLE));
1342         //converterDefGB->setFocusProxy(convertersLW);
1343 }
1344
1345
1346 void PrefConverters::apply(LyXRC & rc) const
1347 {
1348         rc.use_converter_cache = cacheCB->isChecked();
1349         rc.converter_cache_maxage = int(widgetToDouble(maxAgeLE) * 86400.0);
1350 }
1351
1352
1353 void PrefConverters::update(LyXRC const & rc)
1354 {
1355         cacheCB->setChecked(rc.use_converter_cache);
1356         QString max_age;
1357         doubleToWidget(maxAgeLE, (double(rc.converter_cache_maxage) / 86400.0), 'g', 6);
1358         updateGui();
1359 }
1360
1361
1362 void PrefConverters::updateGui()
1363 {
1364         form_->formats().sort();
1365         form_->converters().update(form_->formats());
1366         // save current selection
1367         QString current = converterFromCO->currentText()
1368                 + " -> " + converterToCO->currentText();
1369
1370         converterFromCO->clear();
1371         converterToCO->clear();
1372
1373         Formats::const_iterator cit = form_->formats().begin();
1374         Formats::const_iterator end = form_->formats().end();
1375         for (; cit != end; ++cit) {
1376                 converterFromCO->addItem(qt_(cit->prettyname()));
1377                 converterToCO->addItem(qt_(cit->prettyname()));
1378         }
1379
1380         // currentRowChanged(int) is also triggered when updating the listwidget
1381         // block signals to avoid unnecessary calls to switchConverter()
1382         convertersLW->blockSignals(true);
1383         convertersLW->clear();
1384
1385         Converters::const_iterator ccit = form_->converters().begin();
1386         Converters::const_iterator cend = form_->converters().end();
1387         for (; ccit != cend; ++ccit) {
1388                 QString const name =
1389                         qt_(ccit->From->prettyname()) + " -> " + qt_(ccit->To->prettyname());
1390                 int type = form_->converters().getNumber(ccit->From->name(), ccit->To->name());
1391                 new QListWidgetItem(name, convertersLW, type);
1392         }
1393         convertersLW->sortItems(Qt::AscendingOrder);
1394         convertersLW->blockSignals(false);
1395
1396         // restore selection
1397         if (!current.isEmpty()) {
1398                 QList<QListWidgetItem *> const item =
1399                         convertersLW->findItems(current, Qt::MatchExactly);
1400                 if (!item.isEmpty())
1401                         convertersLW->setCurrentItem(item.at(0));
1402         }
1403
1404         // select first element if restoring failed
1405         if (convertersLW->currentRow() == -1)
1406                 convertersLW->setCurrentRow(0);
1407
1408         updateButtons();
1409 }
1410
1411
1412 void PrefConverters::switchConverter()
1413 {
1414         int const cnr = convertersLW->currentItem()->type();
1415         Converter const & c(form_->converters().get(cnr));
1416         converterFromCO->setCurrentIndex(form_->formats().getNumber(c.from));
1417         converterToCO->setCurrentIndex(form_->formats().getNumber(c.to));
1418         converterED->setText(toqstr(c.command));
1419         converterFlagED->setText(toqstr(c.flags));
1420
1421         updateButtons();
1422 }
1423
1424
1425 void PrefConverters::changeConverter()
1426 {
1427         updateButtons();
1428 }
1429
1430
1431 void PrefConverters::updateButtons()
1432 {
1433         Format const & from = form_->formats().get(converterFromCO->currentIndex());
1434         Format const & to = form_->formats().get(converterToCO->currentIndex());
1435         int const sel = form_->converters().getNumber(from.name(), to.name());
1436         bool const known = sel >= 0;
1437         bool const valid = !(converterED->text().isEmpty()
1438                 || from.name() == to.name());
1439
1440         int const cnr = convertersLW->currentItem()->type();
1441         Converter const & c = form_->converters().get(cnr);
1442         string const old_command = c.command;
1443         string const old_flag = c.flags;
1444         string const new_command = fromqstr(converterED->text());
1445         string const new_flag = fromqstr(converterFlagED->text());
1446
1447         bool modified = (old_command != new_command || old_flag != new_flag);
1448
1449         converterModifyPB->setEnabled(valid && known && modified);
1450         converterNewPB->setEnabled(valid && !known);
1451         converterRemovePB->setEnabled(known);
1452
1453         maxAgeLE->setEnabled(cacheCB->isChecked());
1454         maxAgeLA->setEnabled(cacheCB->isChecked());
1455 }
1456
1457
1458 // FIXME: user must
1459 // specify unique from/to or it doesn't appear. This is really bad UI
1460 // this is why we can use the same function for both new and modify
1461 void PrefConverters::updateConverter()
1462 {
1463         Format const & from = form_->formats().get(converterFromCO->currentIndex());
1464         Format const & to = form_->formats().get(converterToCO->currentIndex());
1465         string const flags = fromqstr(converterFlagED->text());
1466         string const command = fromqstr(converterED->text());
1467
1468         Converter const * old =
1469                 form_->converters().getConverter(from.name(), to.name());
1470         form_->converters().add(from.name(), to.name(), command, flags);
1471
1472         if (!old)
1473                 form_->converters().updateLast(form_->formats());
1474
1475         updateGui();
1476
1477         // Remove all files created by this converter from the cache, since
1478         // the modified converter might create different files.
1479         ConverterCache::get().remove_all(from.name(), to.name());
1480 }
1481
1482
1483 void PrefConverters::removeConverter()
1484 {
1485         Format const & from = form_->formats().get(converterFromCO->currentIndex());
1486         Format const & to = form_->formats().get(converterToCO->currentIndex());
1487         form_->converters().erase(from.name(), to.name());
1488
1489         updateGui();
1490
1491         // Remove all files created by this converter from the cache, since
1492         // a possible new converter might create different files.
1493         ConverterCache::get().remove_all(from.name(), to.name());
1494 }
1495
1496
1497 void PrefConverters::on_cacheCB_stateChanged(int state)
1498 {
1499         maxAgeLE->setEnabled(state == Qt::Checked);
1500         maxAgeLA->setEnabled(state == Qt::Checked);
1501         changed();
1502 }
1503
1504
1505 /////////////////////////////////////////////////////////////////////
1506 //
1507 // FormatValidator
1508 //
1509 /////////////////////////////////////////////////////////////////////
1510
1511 class FormatValidator : public QValidator
1512 {
1513 public:
1514         FormatValidator(QWidget *, Formats const & f);
1515         void fixup(QString & input) const;
1516         QValidator::State validate(QString & input, int & pos) const;
1517 private:
1518         virtual QString toString(Format const & format) const = 0;
1519         int nr() const;
1520         Formats const & formats_;
1521 };
1522
1523
1524 FormatValidator::FormatValidator(QWidget * parent, Formats const & f)
1525         : QValidator(parent), formats_(f)
1526 {
1527 }
1528
1529
1530 void FormatValidator::fixup(QString & input) const
1531 {
1532         Formats::const_iterator cit = formats_.begin();
1533         Formats::const_iterator end = formats_.end();
1534         for (; cit != end; ++cit) {
1535                 QString const name = toString(*cit);
1536                 if (distance(formats_.begin(), cit) == nr()) {
1537                         input = name;
1538                         return;
1539                 }
1540         }
1541 }
1542
1543
1544 QValidator::State FormatValidator::validate(QString & input, int & /*pos*/) const
1545 {
1546         Formats::const_iterator cit = formats_.begin();
1547         Formats::const_iterator end = formats_.end();
1548         bool unknown = true;
1549         for (; unknown && cit != end; ++cit) {
1550                 QString const name = toString(*cit);
1551                 if (distance(formats_.begin(), cit) != nr())
1552                         unknown = name != input;
1553         }
1554
1555         if (unknown && !input.isEmpty())
1556                 return QValidator::Acceptable;
1557         else
1558                 return QValidator::Intermediate;
1559 }
1560
1561
1562 int FormatValidator::nr() const
1563 {
1564         QComboBox * p = qobject_cast<QComboBox *>(parent());
1565         return p->itemData(p->currentIndex()).toInt();
1566 }
1567
1568
1569 /////////////////////////////////////////////////////////////////////
1570 //
1571 // FormatNameValidator
1572 //
1573 /////////////////////////////////////////////////////////////////////
1574
1575 class FormatNameValidator : public FormatValidator
1576 {
1577 public:
1578         FormatNameValidator(QWidget * parent, Formats const & f)
1579                 : FormatValidator(parent, f)
1580         {}
1581 private:
1582         QString toString(Format const & format) const
1583         {
1584                 return toqstr(format.name());
1585         }
1586 };
1587
1588
1589 /////////////////////////////////////////////////////////////////////
1590 //
1591 // FormatPrettynameValidator
1592 //
1593 /////////////////////////////////////////////////////////////////////
1594
1595 class FormatPrettynameValidator : public FormatValidator
1596 {
1597 public:
1598         FormatPrettynameValidator(QWidget * parent, Formats const & f)
1599                 : FormatValidator(parent, f)
1600         {}
1601 private:
1602         QString toString(Format const & format) const
1603         {
1604                 return qt_(format.prettyname());
1605         }
1606 };
1607
1608
1609 /////////////////////////////////////////////////////////////////////
1610 //
1611 // PrefFileformats
1612 //
1613 /////////////////////////////////////////////////////////////////////
1614
1615 PrefFileformats::PrefFileformats(GuiPreferences * form)
1616         : PrefModule(qt_(catFiles), qt_("File formats"), form)
1617 {
1618         setupUi(this);
1619         formatED->setValidator(new FormatNameValidator(formatsCB, form_->formats()));
1620         formatsCB->setValidator(new FormatPrettynameValidator(formatsCB, form_->formats()));
1621
1622         connect(documentCB, SIGNAL(clicked()),
1623                 this, SLOT(setFlags()));
1624         connect(vectorCB, SIGNAL(clicked()),
1625                 this, SLOT(setFlags()));
1626         connect(formatsCB->lineEdit(), SIGNAL(editingFinished()),
1627                 this, SLOT(updatePrettyname()));
1628         connect(formatsCB->lineEdit(), SIGNAL(textEdited(QString)),
1629                 this, SIGNAL(changed()));
1630         connect(defaultFormatCB, SIGNAL(activated(QString)),
1631                 this, SIGNAL(changed()));
1632 }
1633
1634
1635 namespace {
1636
1637 string const l10n_shortcut(string const prettyname, string const shortcut)
1638 {
1639         if (shortcut.empty())
1640                 return string();
1641
1642         string l10n_format =
1643                 to_utf8(_(prettyname + '|' + shortcut));
1644         return split(l10n_format, '|');
1645 }
1646
1647 }; // namespace anon
1648
1649
1650 void PrefFileformats::apply(LyXRC & rc) const
1651 {
1652         QString const default_format = defaultFormatCB->itemData(
1653                 defaultFormatCB->currentIndex()).toString();
1654         rc.default_view_format = fromqstr(default_format);
1655 }
1656
1657
1658 void PrefFileformats::update(LyXRC const & rc)
1659 {
1660         bool const init = defaultFormatCB->currentText().isEmpty();
1661         updateView();
1662         if (init) {
1663                 int const pos = defaultFormatCB->findData(toqstr(
1664                 rc.default_view_format));
1665                 defaultFormatCB->setCurrentIndex(pos);
1666         }
1667 }
1668
1669
1670 void PrefFileformats::updateView()
1671 {
1672         QString const current = formatsCB->currentText();
1673         QString const current_def = defaultFormatCB->currentText();
1674
1675         // update comboboxes with formats
1676         formatsCB->blockSignals(true);
1677         defaultFormatCB->blockSignals(true);
1678         formatsCB->clear();
1679         defaultFormatCB->clear();
1680         form_->formats().sort();
1681         Formats::const_iterator cit = form_->formats().begin();
1682         Formats::const_iterator end = form_->formats().end();
1683         for (; cit != end; ++cit) {
1684                 formatsCB->addItem(qt_(cit->prettyname()),
1685                                 QVariant(form_->formats().getNumber(cit->name())));
1686                 if (form_->converters().isReachable("latex", cit->name())
1687                     || form_->converters().isReachable("pdflatex", cit->name()))
1688                         defaultFormatCB->addItem(qt_(cit->prettyname()),
1689                                         QVariant(toqstr(cit->name())));
1690         }
1691
1692         // restore selection
1693         int item = formatsCB->findText(current, Qt::MatchExactly);
1694         formatsCB->setCurrentIndex(item < 0 ? 0 : item);
1695         on_formatsCB_currentIndexChanged(item < 0 ? 0 : item);
1696         item = defaultFormatCB->findText(current_def, Qt::MatchExactly);
1697         defaultFormatCB->setCurrentIndex(item < 0 ? 0 : item);
1698         formatsCB->blockSignals(false);
1699         defaultFormatCB->blockSignals(false);
1700 }
1701
1702
1703 void PrefFileformats::on_formatsCB_currentIndexChanged(int i)
1704 {
1705         int const nr = formatsCB->itemData(i).toInt();
1706         Format const f = form_->formats().get(nr);
1707
1708         formatED->setText(toqstr(f.name()));
1709         copierED->setText(toqstr(form_->movers().command(f.name())));
1710         extensionED->setText(toqstr(f.extension()));
1711         shortcutED->setText(
1712                 toqstr(l10n_shortcut(f.prettyname(), f.shortcut())));
1713         viewerED->setText(toqstr(f.viewer()));
1714         editorED->setText(toqstr(f.editor()));
1715         documentCB->setChecked((f.documentFormat()));
1716         vectorCB->setChecked((f.vectorFormat()));
1717 }
1718
1719
1720 void PrefFileformats::setFlags()
1721 {
1722         int flags = Format::none;
1723         if (documentCB->isChecked())
1724                 flags |= Format::document;
1725         if (vectorCB->isChecked())
1726                 flags |= Format::vector;
1727         currentFormat().setFlags(flags);
1728         changed();
1729 }
1730
1731
1732 void PrefFileformats::on_copierED_textEdited(const QString & s)
1733 {
1734         string const fmt = fromqstr(formatED->text());
1735         form_->movers().set(fmt, fromqstr(s));
1736         changed();
1737 }
1738
1739
1740 void PrefFileformats::on_extensionED_textEdited(const QString & s)
1741 {
1742         currentFormat().setExtension(fromqstr(s));
1743         changed();
1744 }
1745
1746 void PrefFileformats::on_viewerED_textEdited(const QString & s)
1747 {
1748         currentFormat().setViewer(fromqstr(s));
1749         changed();
1750 }
1751
1752
1753 void PrefFileformats::on_editorED_textEdited(const QString & s)
1754 {
1755         currentFormat().setEditor(fromqstr(s));
1756         changed();
1757 }
1758
1759
1760 void PrefFileformats::on_shortcutED_textEdited(const QString & s)
1761 {
1762         string const new_shortcut = fromqstr(s);
1763         if (new_shortcut == l10n_shortcut(currentFormat().prettyname(),
1764                                           currentFormat().shortcut()))
1765                 return;
1766         currentFormat().setShortcut(new_shortcut);
1767         changed();
1768 }
1769
1770
1771 void PrefFileformats::on_formatED_editingFinished()
1772 {
1773         string const newname = fromqstr(formatED->displayText());
1774         if (newname == currentFormat().name())
1775                 return;
1776
1777         currentFormat().setName(newname);
1778         changed();
1779 }
1780
1781
1782 void PrefFileformats::on_formatED_textChanged(const QString &)
1783 {
1784         QString t = formatED->text();
1785         int p = 0;
1786         bool valid = formatED->validator()->validate(t, p) == QValidator::Acceptable;
1787         setValid(formatLA, valid);
1788 }
1789
1790
1791 void PrefFileformats::on_formatsCB_editTextChanged(const QString &)
1792 {
1793         QString t = formatsCB->currentText();
1794         int p = 0;
1795         bool valid = formatsCB->validator()->validate(t, p) == QValidator::Acceptable;
1796         setValid(formatsLA, valid);
1797 }
1798
1799
1800 void PrefFileformats::updatePrettyname()
1801 {
1802         QString const newname = formatsCB->currentText();
1803         if (newname == qt_(currentFormat().prettyname()))
1804                 return;
1805
1806         currentFormat().setPrettyname(fromqstr(newname));
1807         formatsChanged();
1808         updateView();
1809         changed();
1810 }
1811
1812
1813 Format & PrefFileformats::currentFormat()
1814 {
1815         int const i = formatsCB->currentIndex();
1816         int const nr = formatsCB->itemData(i).toInt();
1817         return form_->formats().get(nr);
1818 }
1819
1820
1821 void PrefFileformats::on_formatNewPB_clicked()
1822 {
1823         form_->formats().add("", "", "", "", "", "", Format::none);
1824         updateView();
1825         formatsCB->setCurrentIndex(0);
1826         formatsCB->setFocus(Qt::OtherFocusReason);
1827 }
1828
1829
1830 void PrefFileformats::on_formatRemovePB_clicked()
1831 {
1832         int const i = formatsCB->currentIndex();
1833         int const nr = formatsCB->itemData(i).toInt();
1834         string const current_text = form_->formats().get(nr).name();
1835         if (form_->converters().formatIsUsed(current_text)) {
1836                 Alert::error(_("Format in use"),
1837                              _("Cannot remove a Format used by a Converter. "
1838                                             "Remove the converter first."));
1839                 return;
1840         }
1841
1842         form_->formats().erase(current_text);
1843         formatsChanged();
1844         updateView();
1845         on_formatsCB_editTextChanged(formatsCB->currentText());
1846         changed();
1847 }
1848
1849
1850 /////////////////////////////////////////////////////////////////////
1851 //
1852 // PrefLanguage
1853 //
1854 /////////////////////////////////////////////////////////////////////
1855
1856 PrefLanguage::PrefLanguage(GuiPreferences * form)
1857         : PrefModule(qt_(catLanguage), qt_("Language"), form)
1858 {
1859         setupUi(this);
1860
1861         connect(rtlGB, SIGNAL(clicked()),
1862                 this, SIGNAL(changed()));
1863         connect(visualCursorRB, SIGNAL(clicked()),
1864                 this, SIGNAL(changed()));
1865         connect(logicalCursorRB, SIGNAL(clicked()),
1866                 this, SIGNAL(changed()));
1867         connect(markForeignCB, SIGNAL(clicked()),
1868                 this, SIGNAL(changed()));
1869         connect(autoBeginCB, SIGNAL(clicked()),
1870                 this, SIGNAL(changed()));
1871         connect(autoEndCB, SIGNAL(clicked()),
1872                 this, SIGNAL(changed()));
1873         connect(useBabelCB, SIGNAL(clicked()),
1874                 this, SIGNAL(changed()));
1875         connect(globalCB, SIGNAL(clicked()),
1876                 this, SIGNAL(changed()));
1877         connect(languagePackageED, SIGNAL(textChanged(QString)),
1878                 this, SIGNAL(changed()));
1879         connect(startCommandED, SIGNAL(textChanged(QString)),
1880                 this, SIGNAL(changed()));
1881         connect(endCommandED, SIGNAL(textChanged(QString)),
1882                 this, SIGNAL(changed()));
1883         connect(uiLanguageCO, SIGNAL(activated(int)),
1884                 this, SIGNAL(changed()));
1885
1886         uiLanguageCO->clear();
1887
1888         QAbstractItemModel * language_model = guiApp->languageModel();
1889         // FIXME: it would be nice if sorting was enabled/disabled via a checkbox.
1890         language_model->sort(0);
1891
1892         // FIXME: This is wrong, we need filter this list based on the available
1893         // translation.
1894         uiLanguageCO->blockSignals(true);
1895         uiLanguageCO->addItem(qt_("Default"), toqstr("auto"));
1896         for (int i = 0; i != language_model->rowCount(); ++i) {
1897                 QModelIndex index = language_model->index(i, 0);
1898                 uiLanguageCO->addItem(index.data(Qt::DisplayRole).toString(),
1899                         index.data(Qt::UserRole).toString());
1900         }
1901         uiLanguageCO->blockSignals(false);
1902 }
1903
1904
1905 void PrefLanguage::on_uiLanguageCO_currentIndexChanged(int)
1906 {
1907          QMessageBox::information(this, qt_("LyX needs to be restarted!"),
1908                  qt_("The change of user interface language will be fully "
1909                  "effective only after a restart."));
1910 }
1911
1912
1913 void PrefLanguage::apply(LyXRC & rc) const
1914 {
1915         // FIXME: remove rtl_support bool
1916         rc.rtl_support = rtlGB->isChecked();
1917         rc.visual_cursor = rtlGB->isChecked() && visualCursorRB->isChecked();
1918         rc.mark_foreign_language = markForeignCB->isChecked();
1919         rc.language_auto_begin = autoBeginCB->isChecked();
1920         rc.language_auto_end = autoEndCB->isChecked();
1921         rc.language_use_babel = useBabelCB->isChecked();
1922         rc.language_global_options = globalCB->isChecked();
1923         rc.language_package = fromqstr(languagePackageED->text());
1924         rc.language_command_begin = fromqstr(startCommandED->text());
1925         rc.language_command_end = fromqstr(endCommandED->text());
1926         rc.gui_language = fromqstr(
1927                 uiLanguageCO->itemData(uiLanguageCO->currentIndex()).toString());
1928 }
1929
1930
1931 void PrefLanguage::update(LyXRC const & rc)
1932 {
1933         // FIXME: remove rtl_support bool
1934         rtlGB->setChecked(rc.rtl_support);
1935         if (rc.visual_cursor)
1936                 visualCursorRB->setChecked(true);
1937         else
1938                 logicalCursorRB->setChecked(true);
1939         markForeignCB->setChecked(rc.mark_foreign_language);
1940         autoBeginCB->setChecked(rc.language_auto_begin);
1941         autoEndCB->setChecked(rc.language_auto_end);
1942         useBabelCB->setChecked(rc.language_use_babel);
1943         globalCB->setChecked(rc.language_global_options);
1944         languagePackageED->setText(toqstr(rc.language_package));
1945         startCommandED->setText(toqstr(rc.language_command_begin));
1946         endCommandED->setText(toqstr(rc.language_command_end));
1947
1948         int pos = uiLanguageCO->findData(toqstr(rc.gui_language));
1949         uiLanguageCO->blockSignals(true);
1950         uiLanguageCO->setCurrentIndex(pos);
1951         uiLanguageCO->blockSignals(false);
1952 }
1953
1954
1955 /////////////////////////////////////////////////////////////////////
1956 //
1957 // PrefPrinter
1958 //
1959 /////////////////////////////////////////////////////////////////////
1960
1961 PrefPrinter::PrefPrinter(GuiPreferences * form)
1962         : PrefModule(qt_(catOutput), qt_("Printer"), form)
1963 {
1964         setupUi(this);
1965
1966         connect(printerAdaptCB, SIGNAL(clicked()),
1967                 this, SIGNAL(changed()));
1968         connect(printerCommandED, SIGNAL(textChanged(QString)),
1969                 this, SIGNAL(changed()));
1970         connect(printerNameED, SIGNAL(textChanged(QString)),
1971                 this, SIGNAL(changed()));
1972         connect(printerPageRangeED, SIGNAL(textChanged(QString)),
1973                 this, SIGNAL(changed()));
1974         connect(printerCopiesED, SIGNAL(textChanged(QString)),
1975                 this, SIGNAL(changed()));
1976         connect(printerReverseED, SIGNAL(textChanged(QString)),
1977                 this, SIGNAL(changed()));
1978         connect(printerToPrinterED, SIGNAL(textChanged(QString)),
1979                 this, SIGNAL(changed()));
1980         connect(printerExtensionED, SIGNAL(textChanged(QString)),
1981                 this, SIGNAL(changed()));
1982         connect(printerSpoolCommandED, SIGNAL(textChanged(QString)),
1983                 this, SIGNAL(changed()));
1984         connect(printerPaperTypeED, SIGNAL(textChanged(QString)),
1985                 this, SIGNAL(changed()));
1986         connect(printerEvenED, SIGNAL(textChanged(QString)),
1987                 this, SIGNAL(changed()));
1988         connect(printerOddED, SIGNAL(textChanged(QString)),
1989                 this, SIGNAL(changed()));
1990         connect(printerCollatedED, SIGNAL(textChanged(QString)),
1991                 this, SIGNAL(changed()));
1992         connect(printerLandscapeED, SIGNAL(textChanged(QString)),
1993                 this, SIGNAL(changed()));
1994         connect(printerToFileED, SIGNAL(textChanged(QString)),
1995                 this, SIGNAL(changed()));
1996         connect(printerExtraED, SIGNAL(textChanged(QString)),
1997                 this, SIGNAL(changed()));
1998         connect(printerSpoolPrefixED, SIGNAL(textChanged(QString)),
1999                 this, SIGNAL(changed()));
2000         connect(printerPaperSizeED, SIGNAL(textChanged(QString)),
2001                 this, SIGNAL(changed()));
2002 }
2003
2004
2005 void PrefPrinter::apply(LyXRC & rc) const
2006 {
2007         rc.print_adapt_output = printerAdaptCB->isChecked();
2008         rc.print_command = fromqstr(printerCommandED->text());
2009         rc.printer = fromqstr(printerNameED->text());
2010
2011         rc.print_pagerange_flag = fromqstr(printerPageRangeED->text());
2012         rc.print_copies_flag = fromqstr(printerCopiesED->text());
2013         rc.print_reverse_flag = fromqstr(printerReverseED->text());
2014         rc.print_to_printer = fromqstr(printerToPrinterED->text());
2015         rc.print_file_extension = fromqstr(printerExtensionED->text());
2016         rc.print_spool_command = fromqstr(printerSpoolCommandED->text());
2017         rc.print_paper_flag = fromqstr(printerPaperTypeED->text());
2018         rc.print_evenpage_flag = fromqstr(printerEvenED->text());
2019         rc.print_oddpage_flag = fromqstr(printerOddED->text());
2020         rc.print_collcopies_flag = fromqstr(printerCollatedED->text());
2021         rc.print_landscape_flag = fromqstr(printerLandscapeED->text());
2022         rc.print_to_file = internal_path(fromqstr(printerToFileED->text()));
2023         rc.print_extra_options = fromqstr(printerExtraED->text());
2024         rc.print_spool_printerprefix = fromqstr(printerSpoolPrefixED->text());
2025         rc.print_paper_dimension_flag = fromqstr(printerPaperSizeED->text());
2026 }
2027
2028
2029 void PrefPrinter::update(LyXRC const & rc)
2030 {
2031         printerAdaptCB->setChecked(rc.print_adapt_output);
2032         printerCommandED->setText(toqstr(rc.print_command));
2033         printerNameED->setText(toqstr(rc.printer));
2034
2035         printerPageRangeED->setText(toqstr(rc.print_pagerange_flag));
2036         printerCopiesED->setText(toqstr(rc.print_copies_flag));
2037         printerReverseED->setText(toqstr(rc.print_reverse_flag));
2038         printerToPrinterED->setText(toqstr(rc.print_to_printer));
2039         printerExtensionED->setText(toqstr(rc.print_file_extension));
2040         printerSpoolCommandED->setText(toqstr(rc.print_spool_command));
2041         printerPaperTypeED->setText(toqstr(rc.print_paper_flag));
2042         printerEvenED->setText(toqstr(rc.print_evenpage_flag));
2043         printerOddED->setText(toqstr(rc.print_oddpage_flag));
2044         printerCollatedED->setText(toqstr(rc.print_collcopies_flag));
2045         printerLandscapeED->setText(toqstr(rc.print_landscape_flag));
2046         printerToFileED->setText(toqstr(external_path(rc.print_to_file)));
2047         printerExtraED->setText(toqstr(rc.print_extra_options));
2048         printerSpoolPrefixED->setText(toqstr(rc.print_spool_printerprefix));
2049         printerPaperSizeED->setText(toqstr(rc.print_paper_dimension_flag));
2050 }
2051
2052
2053 /////////////////////////////////////////////////////////////////////
2054 //
2055 // PrefUserInterface
2056 //
2057 /////////////////////////////////////////////////////////////////////
2058
2059 PrefUserInterface::PrefUserInterface(GuiPreferences * form)
2060         : PrefModule(qt_(catLookAndFeel), qt_("User interface"), form)
2061 {
2062         setupUi(this);
2063
2064         connect(autoSaveCB, SIGNAL(toggled(bool)),
2065                 autoSaveSB, SLOT(setEnabled(bool)));
2066         connect(autoSaveCB, SIGNAL(toggled(bool)),
2067                 TextLabel1, SLOT(setEnabled(bool)));
2068         connect(openDocumentsInTabsCB, SIGNAL(clicked()),
2069                 this, SIGNAL(changed()));
2070         connect(uiFilePB, SIGNAL(clicked()),
2071                 this, SLOT(selectUi()));
2072         connect(uiFileED, SIGNAL(textChanged(QString)),
2073                 this, SIGNAL(changed()));
2074         connect(restoreCursorCB, SIGNAL(clicked()),
2075                 this, SIGNAL(changed()));
2076         connect(loadSessionCB, SIGNAL(clicked()),
2077                 this, SIGNAL(changed()));
2078         connect(allowGeometrySessionCB, SIGNAL(clicked()),
2079                 this, SIGNAL(changed()));
2080         connect(autoSaveSB, SIGNAL(valueChanged(int)),
2081                 this, SIGNAL(changed()));
2082         connect(autoSaveCB, SIGNAL(clicked()),
2083                 this, SIGNAL(changed()));
2084         connect(lastfilesSB, SIGNAL(valueChanged(int)),
2085                 this, SIGNAL(changed()));
2086         connect(tooltipCB, SIGNAL(toggled(bool)),
2087                 this, SIGNAL(changed()));
2088         lastfilesSB->setMaximum(maxlastfiles);
2089 }
2090
2091
2092 void PrefUserInterface::apply(LyXRC & rc) const
2093 {
2094         rc.ui_file = internal_path(fromqstr(uiFileED->text()));
2095         rc.use_lastfilepos = restoreCursorCB->isChecked();
2096         rc.load_session = loadSessionCB->isChecked();
2097         rc.allow_geometry_session = allowGeometrySessionCB->isChecked();
2098         rc.autosave = autoSaveSB->value() * 60;
2099         rc.make_backup = autoSaveCB->isChecked();
2100         rc.num_lastfiles = lastfilesSB->value();
2101         rc.use_tooltip = tooltipCB->isChecked();
2102         rc.open_buffers_in_tabs = openDocumentsInTabsCB->isChecked();
2103 }
2104
2105
2106 void PrefUserInterface::update(LyXRC const & rc)
2107 {
2108         uiFileED->setText(toqstr(external_path(rc.ui_file)));
2109         restoreCursorCB->setChecked(rc.use_lastfilepos);
2110         loadSessionCB->setChecked(rc.load_session);
2111         allowGeometrySessionCB->setChecked(rc.allow_geometry_session);
2112         // convert to minutes
2113         int mins(rc.autosave / 60);
2114         if (rc.autosave && !mins)
2115                 mins = 1;
2116         autoSaveSB->setValue(mins);
2117         autoSaveCB->setChecked(rc.make_backup);
2118         lastfilesSB->setValue(rc.num_lastfiles);
2119         tooltipCB->setChecked(rc.use_tooltip);
2120         openDocumentsInTabsCB->setChecked(rc.open_buffers_in_tabs);
2121 }
2122
2123
2124 void PrefUserInterface::selectUi()
2125 {
2126         QString file = form_->browseUI(internalPath(uiFileED->text()));
2127         if (!file.isEmpty())
2128                 uiFileED->setText(file);
2129 }
2130
2131
2132 void PrefUserInterface::on_clearSessionPB_clicked()
2133 {
2134         guiApp->clearSession();
2135 }
2136
2137
2138
2139 /////////////////////////////////////////////////////////////////////
2140 //
2141 // PrefEdit
2142 //
2143 /////////////////////////////////////////////////////////////////////
2144
2145 PrefEdit::PrefEdit(GuiPreferences * form)
2146         : PrefModule(qt_(catEditing), qt_("Control"), form)
2147 {
2148         setupUi(this);
2149
2150         connect(cursorFollowsCB, SIGNAL(clicked()),
2151                 this, SIGNAL(changed()));
2152         connect(scrollBelowCB, SIGNAL(clicked()),
2153                 this, SIGNAL(changed()));
2154         connect(sortEnvironmentsCB, SIGNAL(clicked()),
2155                 this, SIGNAL(changed()));
2156         connect(groupEnvironmentsCB, SIGNAL(clicked()),
2157                 this, SIGNAL(changed()));
2158         connect(macroEditStyleCO, SIGNAL(activated(int)),
2159                 this, SIGNAL(changed()));
2160         connect(fullscreenLimitGB, SIGNAL(clicked()),
2161                 this, SIGNAL(changed()));
2162         connect(fullscreenWidthSB, SIGNAL(valueChanged(int)),
2163                 this, SIGNAL(changed()));
2164         connect(toggleTabbarCB, SIGNAL(toggled(bool)),
2165                 this, SIGNAL(changed()));
2166         connect(toggleMenubarCB, SIGNAL(toggled(bool)),
2167                 this, SIGNAL(changed()));
2168         connect(toggleScrollbarCB, SIGNAL(toggled(bool)),
2169                 this, SIGNAL(changed()));
2170         connect(toggleToolbarsCB, SIGNAL(toggled(bool)),
2171                 this, SIGNAL(changed()));
2172 }
2173
2174
2175 void PrefEdit::apply(LyXRC & rc) const
2176 {
2177         rc.cursor_follows_scrollbar = cursorFollowsCB->isChecked();
2178         rc.scroll_below_document = scrollBelowCB->isChecked();
2179         rc.sort_layouts = sortEnvironmentsCB->isChecked();
2180         rc.group_layouts = groupEnvironmentsCB->isChecked();
2181         switch (macroEditStyleCO->currentIndex()) {
2182                 case 0: rc.macro_edit_style = LyXRC::MACRO_EDIT_INLINE_BOX; break;
2183                 case 1: rc.macro_edit_style = LyXRC::MACRO_EDIT_INLINE; break;
2184                 case 2: rc.macro_edit_style = LyXRC::MACRO_EDIT_LIST;   break;
2185         }
2186         rc.full_screen_toolbars = toggleToolbarsCB->isChecked();
2187         rc.full_screen_scrollbar = toggleScrollbarCB->isChecked();
2188         rc.full_screen_tabbar = toggleTabbarCB->isChecked();
2189         rc.full_screen_menubar = toggleMenubarCB->isChecked();
2190         rc.full_screen_width = fullscreenWidthSB->value();
2191         rc.full_screen_limit = fullscreenLimitGB->isChecked();
2192 }
2193
2194
2195 void PrefEdit::update(LyXRC const & rc)
2196 {
2197         cursorFollowsCB->setChecked(rc.cursor_follows_scrollbar);
2198         scrollBelowCB->setChecked(rc.scroll_below_document);
2199         sortEnvironmentsCB->setChecked(rc.sort_layouts);
2200         groupEnvironmentsCB->setChecked(rc.group_layouts);
2201         macroEditStyleCO->setCurrentIndex(rc.macro_edit_style);
2202         toggleScrollbarCB->setChecked(rc.full_screen_scrollbar);
2203         toggleToolbarsCB->setChecked(rc.full_screen_toolbars);
2204         toggleTabbarCB->setChecked(rc.full_screen_tabbar);
2205         toggleMenubarCB->setChecked(rc.full_screen_menubar);
2206         fullscreenWidthSB->setValue(rc.full_screen_width);
2207         fullscreenLimitGB->setChecked(rc.full_screen_limit);
2208 }
2209
2210
2211 /////////////////////////////////////////////////////////////////////
2212 //
2213 // PrefShortcuts
2214 //
2215 /////////////////////////////////////////////////////////////////////
2216
2217
2218 GuiShortcutDialog::GuiShortcutDialog(QWidget * parent) : QDialog(parent)
2219 {
2220         Ui::shortcutUi::setupUi(this);
2221         QDialog::setModal(true);
2222 }
2223
2224
2225 PrefShortcuts::PrefShortcuts(GuiPreferences * form)
2226         : PrefModule(qt_(catEditing), qt_("Shortcuts"), form)
2227 {
2228         setupUi(this);
2229
2230         shortcutsTW->setColumnCount(2);
2231         shortcutsTW->headerItem()->setText(0, qt_("Function"));
2232         shortcutsTW->headerItem()->setText(1, qt_("Shortcut"));
2233         shortcutsTW->setSortingEnabled(true);
2234         // Multi-selection can be annoying.
2235         // shortcutsTW->setSelectionMode(QAbstractItemView::MultiSelection);
2236
2237         connect(bindFilePB, SIGNAL(clicked()),
2238                 this, SLOT(selectBind()));
2239         connect(bindFileED, SIGNAL(textChanged(QString)),
2240                 this, SIGNAL(changed()));
2241         connect(removePB, SIGNAL(clicked()),
2242                 this, SIGNAL(changed()));
2243
2244         shortcut_ = new GuiShortcutDialog(this);
2245         shortcut_bc_.setPolicy(ButtonPolicy::OkCancelPolicy);
2246         shortcut_bc_.setOK(shortcut_->okPB);
2247         shortcut_bc_.setCancel(shortcut_->cancelPB);
2248
2249         connect(shortcut_->okPB, SIGNAL(clicked()),
2250                 shortcut_, SLOT(accept()));
2251         connect(shortcut_->okPB, SIGNAL(clicked()),
2252                 this, SIGNAL(changed()));
2253         connect(shortcut_->cancelPB, SIGNAL(clicked()),
2254                 shortcut_, SLOT(reject()));
2255         connect(shortcut_->clearPB, SIGNAL(clicked()),
2256                 this, SLOT(shortcutClearPressed()));
2257         connect(shortcut_->removePB, SIGNAL(clicked()),
2258                 this, SLOT(shortcutRemovePressed()));
2259         connect(shortcut_->okPB, SIGNAL(clicked()),
2260                 this, SLOT(shortcutOkPressed()));
2261         connect(shortcut_->cancelPB, SIGNAL(clicked()),
2262                 this, SLOT(shortcutCancelPressed()));
2263 }
2264
2265
2266 void PrefShortcuts::apply(LyXRC & rc) const
2267 {
2268         rc.bind_file = internal_path(fromqstr(bindFileED->text()));
2269         // write user_bind and user_unbind to .lyx/bind/user.bind
2270         FileName bind_dir(addPath(package().user_support().absFilename(), "bind"));
2271         if (!bind_dir.exists() && !bind_dir.createDirectory(0777)) {
2272                 lyxerr << "LyX could not create the user bind directory '"
2273                        << bind_dir << "'. All user-defined key bindings will be lost." << endl;
2274                 return;
2275         }
2276         if (!bind_dir.isDirWritable()) {
2277                 lyxerr << "LyX could not write to the user bind directory '"
2278                        << bind_dir << "'. All user-defined key bindings will be lost." << endl;
2279                 return;
2280         }
2281         FileName user_bind_file(bind_dir.absFilename() + "/user.bind");
2282         user_unbind_.write(user_bind_file.toFilesystemEncoding(), false, true);
2283         user_bind_.write(user_bind_file.toFilesystemEncoding(), true, false);
2284         // immediately apply the keybindings. Why this is not done before?
2285         // The good thing is that the menus are updated automatically.
2286         theTopLevelKeymap().clear();
2287         theTopLevelKeymap().read("site");
2288         theTopLevelKeymap().read(rc.bind_file, 0, KeyMap::Fallback);
2289         theTopLevelKeymap().read("user", 0, KeyMap::MissingOK);
2290 }
2291
2292
2293 void PrefShortcuts::update(LyXRC const & rc)
2294 {
2295         bindFileED->setText(toqstr(external_path(rc.bind_file)));
2296         //
2297         system_bind_.clear();
2298         user_bind_.clear();
2299         user_unbind_.clear();
2300         system_bind_.read("site");
2301         system_bind_.read(rc.bind_file);
2302         // \unbind in user.bind is added to user_unbind_
2303         user_bind_.read("user", &user_unbind_, KeyMap::MissingOK);
2304         updateShortcutsTW();
2305 }
2306
2307
2308 void PrefShortcuts::updateShortcutsTW()
2309 {
2310         shortcutsTW->clear();
2311
2312         editItem_ = new QTreeWidgetItem(shortcutsTW);
2313         editItem_->setText(0, qt_("Cursor, Mouse and Editing functions"));
2314         editItem_->setFlags(editItem_->flags() & ~Qt::ItemIsSelectable);
2315
2316         mathItem_ = new QTreeWidgetItem(shortcutsTW);
2317         mathItem_->setText(0, qt_("Mathematical Symbols"));
2318         mathItem_->setFlags(mathItem_->flags() & ~Qt::ItemIsSelectable);
2319
2320         bufferItem_ = new QTreeWidgetItem(shortcutsTW);
2321         bufferItem_->setText(0, qt_("Document and Window"));
2322         bufferItem_->setFlags(bufferItem_->flags() & ~Qt::ItemIsSelectable);
2323
2324         layoutItem_ = new QTreeWidgetItem(shortcutsTW);
2325         layoutItem_->setText(0, qt_("Font, Layouts and Textclasses"));
2326         layoutItem_->setFlags(layoutItem_->flags() & ~Qt::ItemIsSelectable);
2327
2328         systemItem_ = new QTreeWidgetItem(shortcutsTW);
2329         systemItem_->setText(0, qt_("System and Miscellaneous"));
2330         systemItem_->setFlags(systemItem_->flags() & ~Qt::ItemIsSelectable);
2331
2332         // listBindings(unbound=true) lists all bound and unbound lfuns
2333         // Items in this list is tagged by its source.
2334         KeyMap::BindingList bindinglist = system_bind_.listBindings(true,
2335                 KeyMap::System);
2336         KeyMap::BindingList user_bindinglist = user_bind_.listBindings(false,
2337                 KeyMap::UserBind);
2338         KeyMap::BindingList user_unbindinglist = user_unbind_.listBindings(false,
2339                 KeyMap::UserUnbind);
2340         bindinglist.insert(bindinglist.end(), user_bindinglist.begin(),
2341                         user_bindinglist.end());
2342         bindinglist.insert(bindinglist.end(), user_unbindinglist.begin(),
2343                         user_unbindinglist.end());
2344
2345         KeyMap::BindingList::const_iterator it = bindinglist.begin();
2346         KeyMap::BindingList::const_iterator it_end = bindinglist.end();
2347         for (; it != it_end; ++it)
2348                 insertShortcutItem(it->request, it->sequence, KeyMap::ItemType(it->tag));
2349
2350         shortcutsTW->sortItems(0, Qt::AscendingOrder);
2351         QList<QTreeWidgetItem*> items = shortcutsTW->selectedItems();
2352         removePB->setEnabled(!items.isEmpty() && !items[0]->text(1).isEmpty());
2353         modifyPB->setEnabled(!items.isEmpty());
2354
2355         shortcutsTW->resizeColumnToContents(0);
2356 }
2357
2358
2359 void PrefShortcuts::setItemType(QTreeWidgetItem * item, KeyMap::ItemType tag)
2360 {
2361         item->setData(0, Qt::UserRole, QVariant(tag));
2362         QFont font;
2363
2364         switch (tag) {
2365         case KeyMap::System:
2366                 break;
2367         case KeyMap::UserBind:
2368                 font.setBold(true);
2369                 break;
2370         case KeyMap::UserUnbind:
2371                 font.setStrikeOut(true);
2372                 break;
2373         // this item is not displayed now.
2374         case KeyMap::UserExtraUnbind:
2375                 font.setStrikeOut(true);
2376                 break;
2377         }
2378
2379         item->setFont(1, font);
2380 }
2381
2382
2383 QTreeWidgetItem * PrefShortcuts::insertShortcutItem(FuncRequest const & lfun,
2384                 KeySequence const & seq, KeyMap::ItemType tag)
2385 {
2386         FuncCode action = lfun.action;
2387         string const action_name = lyxaction.getActionName(action);
2388         QString const lfun_name = toqstr(from_utf8(action_name)
2389                         + ' ' + lfun.argument());
2390         QString const shortcut = toqstr(seq.print(KeySequence::ForGui));
2391         KeyMap::ItemType item_tag = tag;
2392
2393         QTreeWidgetItem * newItem = 0;
2394         // for unbind items, try to find an existing item in the system bind list
2395         if (tag == KeyMap::UserUnbind) {
2396                 QList<QTreeWidgetItem*> const items = shortcutsTW->findItems(lfun_name,
2397                         Qt::MatchFlags(Qt::MatchExactly | Qt::MatchRecursive), 0);
2398                 for (int i = 0; i < items.size(); ++i) {
2399                         if (items[i]->text(1) == shortcut)
2400                                 newItem = items[i];
2401                                 break;
2402                         }
2403                 // if not found, this unbind item is KeyMap::UserExtraUnbind
2404                 // Such an item is not displayed to avoid confusion (what is
2405                 // unmatched removed?).
2406                 if (!newItem) {
2407                         item_tag = KeyMap::UserExtraUnbind;
2408                         return 0;
2409                 }
2410         }
2411         if (!newItem) {
2412                 switch(lyxaction.getActionType(action)) {
2413                 case LyXAction::Hidden:
2414                         return 0;
2415                 case LyXAction::Edit:
2416                         newItem = new QTreeWidgetItem(editItem_);
2417                         break;
2418                 case LyXAction::Math:
2419                         newItem = new QTreeWidgetItem(mathItem_);
2420                         break;
2421                 case LyXAction::Buffer:
2422                         newItem = new QTreeWidgetItem(bufferItem_);
2423                         break;
2424                 case LyXAction::Layout:
2425                         newItem = new QTreeWidgetItem(layoutItem_);
2426                         break;
2427                 case LyXAction::System:
2428                         newItem = new QTreeWidgetItem(systemItem_);
2429                         break;
2430                 default:
2431                         // this should not happen
2432                         newItem = new QTreeWidgetItem(shortcutsTW);
2433                 }
2434         }
2435
2436         newItem->setText(0, lfun_name);
2437         newItem->setText(1, shortcut);
2438         // record BindFile representation to recover KeySequence when needed.
2439         newItem->setData(1, Qt::UserRole, toqstr(seq.print(KeySequence::BindFile)));
2440         setItemType(newItem, item_tag);
2441         return newItem;
2442 }
2443
2444
2445 void PrefShortcuts::on_shortcutsTW_itemSelectionChanged()
2446 {
2447         QList<QTreeWidgetItem*> items = shortcutsTW->selectedItems();
2448         removePB->setEnabled(!items.isEmpty() && !items[0]->text(1).isEmpty());
2449         modifyPB->setEnabled(!items.isEmpty());
2450         if (items.isEmpty())
2451                 return;
2452
2453         KeyMap::ItemType tag =
2454                 static_cast<KeyMap::ItemType>(items[0]->data(0, Qt::UserRole).toInt());
2455         if (tag == KeyMap::UserUnbind)
2456                 removePB->setText(qt_("Res&tore"));
2457         else
2458                 removePB->setText(qt_("Remo&ve"));
2459 }
2460
2461
2462 void PrefShortcuts::on_shortcutsTW_itemDoubleClicked()
2463 {
2464         modifyShortcut();
2465 }
2466
2467
2468 void PrefShortcuts::modifyShortcut()
2469 {
2470         QTreeWidgetItem * item = shortcutsTW->currentItem();
2471         if (item->flags() & Qt::ItemIsSelectable) {
2472                 shortcut_->lfunLE->setText(item->text(0));
2473                 save_lfun_ = item->text(0);
2474                 shortcut_->shortcutWG->setText(item->text(1));
2475                 KeySequence seq;
2476                 seq.parse(fromqstr(item->data(1, Qt::UserRole).toString()));
2477                 shortcut_->shortcutWG->setKeySequence(seq);
2478                 shortcut_->shortcutWG->setFocus();
2479                 shortcut_->exec();
2480         }
2481 }
2482
2483
2484 void PrefShortcuts::removeShortcut()
2485 {
2486         // it seems that only one item can be selected, but I am
2487         // removing all selected items anyway.
2488         QList<QTreeWidgetItem*> items = shortcutsTW->selectedItems();
2489         for (int i = 0; i < items.size(); ++i) {
2490                 string shortcut = fromqstr(items[i]->data(1, Qt::UserRole).toString());
2491                 string lfun = fromqstr(items[i]->text(0));
2492                 FuncRequest func = lyxaction.lookupFunc(lfun);
2493                 KeyMap::ItemType tag =
2494                         static_cast<KeyMap::ItemType>(items[i]->data(0, Qt::UserRole).toInt());
2495
2496                 switch (tag) {
2497                 case KeyMap::System: {
2498                         // for system bind, we do not touch the item
2499                         // but add an user unbind item
2500                         user_unbind_.bind(shortcut, func);
2501                         setItemType(items[i], KeyMap::UserUnbind);
2502                         removePB->setText(qt_("Res&tore"));
2503                         break;
2504                 }
2505                 case KeyMap::UserBind: {
2506                         // for user_bind, we remove this bind
2507                         QTreeWidgetItem * parent = items[i]->parent();
2508                         int itemIdx = parent->indexOfChild(items[i]);
2509                         parent->takeChild(itemIdx);
2510                         if (itemIdx > 0)
2511                                 shortcutsTW->scrollToItem(parent->child(itemIdx - 1));
2512                         else
2513                                 shortcutsTW->scrollToItem(parent);
2514                         user_bind_.unbind(shortcut, func);
2515                         break;
2516                 }
2517                 case KeyMap::UserUnbind: {
2518                         // for user_unbind, we remove the unbind, and the item
2519                         // become KeyMap::System again.
2520                         user_unbind_.unbind(shortcut, func);
2521                         setItemType(items[i], KeyMap::System);
2522                         removePB->setText(qt_("Remo&ve"));
2523                         break;
2524                 }
2525                 case KeyMap::UserExtraUnbind: {
2526                         // for user unbind that is not in system bind file,
2527                         // remove this unbind file
2528                         QTreeWidgetItem * parent = items[i]->parent();
2529                         parent->takeChild(parent->indexOfChild(items[i]));
2530                         user_unbind_.unbind(shortcut, func);
2531                 }
2532                 }
2533         }
2534 }
2535
2536
2537 void PrefShortcuts::selectBind()
2538 {
2539         QString file = form_->browsebind(internalPath(bindFileED->text()));
2540         if (!file.isEmpty()) {
2541                 bindFileED->setText(file);
2542                 system_bind_ = KeyMap();
2543                 system_bind_.read(fromqstr(file));
2544                 updateShortcutsTW();
2545         }
2546 }
2547
2548
2549 void PrefShortcuts::on_modifyPB_pressed()
2550 {
2551         modifyShortcut();
2552 }
2553
2554
2555 void PrefShortcuts::on_newPB_pressed()
2556 {
2557         shortcut_->lfunLE->clear();
2558         shortcut_->shortcutWG->reset();
2559         save_lfun_ = QString();
2560         shortcut_->exec();
2561 }
2562
2563
2564 void PrefShortcuts::on_removePB_pressed()
2565 {
2566         removeShortcut();
2567 }
2568
2569
2570 void PrefShortcuts::on_searchLE_textEdited()
2571 {
2572         if (searchLE->text().isEmpty()) {
2573                 // show all hidden items
2574                 QTreeWidgetItemIterator it(shortcutsTW, QTreeWidgetItemIterator::Hidden);
2575                 while (*it)
2576                         shortcutsTW->setItemHidden(*it++, false);
2577                 return;
2578         }
2579         // search both columns
2580         QList<QTreeWidgetItem *> matched = shortcutsTW->findItems(searchLE->text(),
2581                 Qt::MatchFlags(Qt::MatchContains | Qt::MatchRecursive), 0);
2582         matched += shortcutsTW->findItems(searchLE->text(),
2583                 Qt::MatchFlags(Qt::MatchContains | Qt::MatchRecursive), 1);
2584
2585         // hide everyone (to avoid searching in matched QList repeatedly
2586         QTreeWidgetItemIterator it(shortcutsTW, QTreeWidgetItemIterator::Selectable);
2587         while (*it)
2588                 shortcutsTW->setItemHidden(*it++, true);
2589         // show matched items
2590         for (int i = 0; i < matched.size(); ++i) {
2591                 shortcutsTW->setItemHidden(matched[i], false);
2592         shortcutsTW->setItemExpanded(matched[i]->parent(), true);
2593         }
2594 }
2595
2596
2597 docstring makeCmdString(FuncRequest const & f)
2598 {
2599         docstring actionStr = from_ascii(lyxaction.getActionName(f.action));
2600         if (!f.argument().empty())
2601                 actionStr += " " + f.argument();
2602         return actionStr;
2603 }
2604
2605
2606 void PrefShortcuts::shortcutOkPressed()
2607 {
2608         QString const new_lfun = shortcut_->lfunLE->text();
2609         FuncRequest func = lyxaction.lookupFunc(fromqstr(new_lfun));
2610
2611         if (func.action == LFUN_UNKNOWN_ACTION) {
2612                 Alert::error(_("Failed to create shortcut"),
2613                         _("Unknown or invalid LyX function"));
2614                 return;
2615         }
2616
2617         KeySequence k = shortcut_->shortcutWG->getKeySequence();
2618         if (k.length() == 0) {
2619                 Alert::error(_("Failed to create shortcut"),
2620                         _("Invalid or empty key sequence"));
2621                 return;
2622         }
2623
2624         // check to see if there's been any change
2625         FuncRequest oldBinding = system_bind_.getBinding(k);
2626         if (oldBinding.action == LFUN_UNKNOWN_ACTION)
2627                 oldBinding = user_bind_.getBinding(k);
2628         if (oldBinding == func) {
2629                 docstring const actionStr = makeCmdString(func);
2630                 Alert::error(_("Failed to create shortcut"),
2631                         bformat(_("Shortcut `%1$s' is already bound to:\n%2$s"),
2632                         k.print(KeySequence::ForGui), actionStr));
2633                 return;
2634         }
2635
2636         // make sure this key isn't already bound---and, if so, not unbound
2637         FuncCode const unbind = user_unbind_.getBinding(k).action;
2638         if (oldBinding.action != LFUN_UNKNOWN_ACTION && unbind == LFUN_UNKNOWN_ACTION)
2639         {
2640                 // FIXME Perhaps we should offer to over-write the old shortcut?
2641                 // If so, we'll need to remove it from our list, etc.
2642                 docstring const actionStr = makeCmdString(oldBinding);
2643                 Alert::error(_("Failed to create shortcut"),
2644                         bformat(_("Shortcut `%1$s' is already bound to:\n%2$s\n"
2645                           "You need to remove that binding before creating a new one."),
2646                         k.print(KeySequence::ForGui), actionStr));
2647                 return;
2648         }
2649
2650         if (!save_lfun_.isEmpty() && new_lfun == save_lfun_)
2651                 // real modification of the lfun's shortcut,
2652                 // so remove the previous one
2653                 removeShortcut();
2654
2655         QTreeWidgetItem * item = insertShortcutItem(func, k, KeyMap::UserBind);
2656         if (item) {
2657                 user_bind_.bind(&k, func);
2658                 shortcutsTW->sortItems(0, Qt::AscendingOrder);
2659                 shortcutsTW->setItemExpanded(item->parent(), true);
2660                 shortcutsTW->scrollToItem(item);
2661         } else {
2662                 Alert::error(_("Failed to create shortcut"),
2663                         _("Can not insert shortcut to the list"));
2664                 return;
2665         }
2666 }
2667
2668
2669 void PrefShortcuts::shortcutCancelPressed()
2670 {
2671         shortcut_->shortcutWG->reset();
2672 }
2673
2674
2675 void PrefShortcuts::shortcutClearPressed()
2676 {
2677         shortcut_->shortcutWG->reset();
2678 }
2679
2680
2681 void PrefShortcuts::shortcutRemovePressed()
2682 {
2683         shortcut_->shortcutWG->removeFromSequence();
2684 }
2685
2686
2687 /////////////////////////////////////////////////////////////////////
2688 //
2689 // PrefIdentity
2690 //
2691 /////////////////////////////////////////////////////////////////////
2692
2693 PrefIdentity::PrefIdentity(GuiPreferences * form)
2694         : PrefModule(QString(), qt_("Identity"), form)
2695 {
2696         setupUi(this);
2697
2698         connect(nameED, SIGNAL(textChanged(QString)),
2699                 this, SIGNAL(changed()));
2700         connect(emailED, SIGNAL(textChanged(QString)),
2701                 this, SIGNAL(changed()));
2702 }
2703
2704
2705 void PrefIdentity::apply(LyXRC & rc) const
2706 {
2707         rc.user_name = fromqstr(nameED->text());
2708         rc.user_email = fromqstr(emailED->text());
2709 }
2710
2711
2712 void PrefIdentity::update(LyXRC const & rc)
2713 {
2714         nameED->setText(toqstr(rc.user_name));
2715         emailED->setText(toqstr(rc.user_email));
2716 }
2717
2718
2719
2720 /////////////////////////////////////////////////////////////////////
2721 //
2722 // GuiPreferences
2723 //
2724 /////////////////////////////////////////////////////////////////////
2725
2726 GuiPreferences::GuiPreferences(GuiView & lv)
2727         : GuiDialog(lv, "prefs", qt_("Preferences")), update_screen_font_(false)
2728 {
2729         setupUi(this);
2730
2731         QDialog::setModal(false);
2732
2733         connect(savePB, SIGNAL(clicked()), this, SLOT(slotOK()));
2734         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
2735         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
2736         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
2737
2738         addModule(new PrefUserInterface(this));
2739         addModule(new PrefEdit(this));
2740         addModule(new PrefShortcuts(this));
2741         addModule(new PrefScreenFonts(this));
2742         addModule(new PrefColors(this));
2743         addModule(new PrefDisplay(this));
2744         addModule(new PrefInput(this));
2745         addModule(new PrefCompletion(this));
2746
2747         addModule(new PrefPaths(this));
2748
2749         addModule(new PrefIdentity(this));
2750
2751         addModule(new PrefLanguage(this));
2752         addModule(new PrefSpellchecker(this));
2753
2754         addModule(new PrefPrinter(this));
2755         PrefDate * dateFormat = new PrefDate(this);
2756         addModule(dateFormat);
2757         addModule(new PrefPlaintext(this));
2758         addModule(new PrefLatex(this));
2759
2760         PrefConverters * converters = new PrefConverters(this);
2761         PrefFileformats * formats = new PrefFileformats(this);
2762         connect(formats, SIGNAL(formatsChanged()),
2763                         converters, SLOT(updateGui()));
2764         addModule(converters);
2765         addModule(formats);
2766
2767         prefsPS->setCurrentPanel(qt_("User interface"));
2768 // FIXME: hack to work around resizing bug in Qt >= 4.2
2769 // bug verified with Qt 4.2.{0-3} (JSpitzm)
2770 #if QT_VERSION >= 0x040200
2771         prefsPS->updateGeometry();
2772 #endif
2773
2774         bc().setPolicy(ButtonPolicy::PreferencesPolicy);
2775         bc().setOK(savePB);
2776         bc().setApply(applyPB);
2777         bc().setCancel(closePB);
2778         bc().setRestore(restorePB);
2779
2780         // initialize the strftime validator
2781         bc().addCheckedLineEdit(dateFormat->DateED);
2782 }
2783
2784
2785 void GuiPreferences::addModule(PrefModule * module)
2786 {
2787         LASSERT(module, return);
2788         if (module->category().isEmpty())
2789                 prefsPS->addPanel(module, module->title());
2790         else
2791                 prefsPS->addPanel(module, module->title(), module->category());
2792         connect(module, SIGNAL(changed()), this, SLOT(change_adaptor()));
2793         modules_.push_back(module);
2794 }
2795
2796
2797 void GuiPreferences::change_adaptor()
2798 {
2799         changed();
2800 }
2801
2802
2803 void GuiPreferences::apply(LyXRC & rc) const
2804 {
2805         size_t end = modules_.size();
2806         for (size_t i = 0; i != end; ++i)
2807                 modules_[i]->apply(rc);
2808 }
2809
2810
2811 void GuiPreferences::updateRc(LyXRC const & rc)
2812 {
2813         size_t const end = modules_.size();
2814         for (size_t i = 0; i != end; ++i)
2815                 modules_[i]->update(rc);
2816 }
2817
2818
2819 void GuiPreferences::applyView()
2820 {
2821         apply(rc());
2822 }
2823
2824 bool GuiPreferences::initialiseParams(string const &)
2825 {
2826         rc_ = lyxrc;
2827         formats_ = lyx::formats;
2828         converters_ = theConverters();
2829         converters_.update(formats_);
2830         movers_ = theMovers();
2831         colors_.clear();
2832         update_screen_font_ = false;
2833
2834         updateRc(rc_);
2835         // Make sure that the bc is in the INITIAL state
2836         if (bc().policy().buttonStatus(ButtonPolicy::RESTORE))
2837                 bc().restore();
2838
2839         return true;
2840 }
2841
2842
2843 void GuiPreferences::dispatchParams()
2844 {
2845         ostringstream ss;
2846         rc_.write(ss, true);
2847         dispatch(FuncRequest(LFUN_LYXRC_APPLY, ss.str()));
2848         // FIXME: these need lfuns
2849         // FIXME UNICODE
2850         theBufferList().setCurrentAuthor(from_utf8(rc_.user_name), from_utf8(rc_.user_email));
2851
2852         lyx::formats = formats_;
2853
2854         theConverters() = converters_;
2855         theConverters().update(lyx::formats);
2856         theConverters().buildGraph();
2857
2858         theMovers() = movers_;
2859
2860         vector<string>::const_iterator it = colors_.begin();
2861         vector<string>::const_iterator const end = colors_.end();
2862         for (; it != end; ++it)
2863                 dispatch(FuncRequest(LFUN_SET_COLOR, *it));
2864         colors_.clear();
2865
2866         if (update_screen_font_) {
2867                 dispatch(FuncRequest(LFUN_SCREEN_FONT_UPDATE));
2868                 update_screen_font_ = false;
2869         }
2870
2871         // The Save button has been pressed
2872         if (isClosing())
2873                 dispatch(FuncRequest(LFUN_PREFERENCES_SAVE));
2874 }
2875
2876
2877 void GuiPreferences::setColor(ColorCode col, QString const & hex)
2878 {
2879         colors_.push_back(lcolor.getLyXName(col) + ' ' + fromqstr(hex));
2880 }
2881
2882
2883 void GuiPreferences::updateScreenFonts()
2884 {
2885         update_screen_font_ = true;
2886 }
2887
2888
2889 QString GuiPreferences::browsebind(QString const & file) const
2890 {
2891         return browseLibFile("bind", file, "bind", qt_("Choose bind file"),
2892                              QStringList(qt_("LyX bind files (*.bind)")));
2893 }
2894
2895
2896 QString GuiPreferences::browseUI(QString const & file) const
2897 {
2898         return browseLibFile("ui", file, "ui", qt_("Choose UI file"),
2899                              QStringList(qt_("LyX UI files (*.ui)")));
2900 }
2901
2902
2903 QString GuiPreferences::browsekbmap(QString const & file) const
2904 {
2905         return browseLibFile("kbd", file, "kmap", qt_("Choose keyboard map"),
2906                              QStringList(qt_("LyX keyboard maps (*.kmap)")));
2907 }
2908
2909
2910 QString GuiPreferences::browse(QString const & file,
2911         QString const & title) const
2912 {
2913         return browseFile(file, title, QStringList(), true);
2914 }
2915
2916
2917 // We support less paper sizes than the document dialog
2918 // Therefore this adjustment is needed.
2919 PAPER_SIZE GuiPreferences::toPaperSize(int i) const
2920 {
2921         switch (i) {
2922         case 0:
2923                 return PAPER_DEFAULT;
2924         case 1:
2925                 return PAPER_USLETTER;
2926         case 2:
2927                 return PAPER_USLEGAL;
2928         case 3:
2929                 return PAPER_USEXECUTIVE;
2930         case 4:
2931                 return PAPER_A3;
2932         case 5:
2933                 return PAPER_A4;
2934         case 6:
2935                 return PAPER_A5;
2936         case 7:
2937                 return PAPER_B5;
2938         default:
2939                 // should not happen
2940                 return PAPER_DEFAULT;
2941         }
2942 }
2943
2944
2945 int GuiPreferences::fromPaperSize(PAPER_SIZE papersize) const
2946 {
2947         switch (papersize) {
2948         case PAPER_DEFAULT:
2949                 return 0;
2950         case PAPER_USLETTER:
2951                 return 1;
2952         case PAPER_USLEGAL:
2953                 return 2;
2954         case PAPER_USEXECUTIVE:
2955                 return 3;
2956         case PAPER_A3:
2957                 return 4;
2958         case PAPER_A4:
2959                 return 5;
2960         case PAPER_A5:
2961                 return 6;
2962         case PAPER_B5:
2963                 return 7;
2964         default:
2965                 // should not happen
2966                 return 0;
2967         }
2968 }
2969
2970
2971 Dialog * createGuiPreferences(GuiView & lv) { return new GuiPreferences(lv); }
2972
2973
2974 } // namespace frontend
2975 } // namespace lyx
2976
2977 #include "moc_GuiPrefs.cpp"