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 #include "Validator.h"
  24
  25 #include "Author.h"
  26 #include "BufferList.h"
  27 #include "Color.h"
  28 #include "ColorSet.h"
  29 #include "ConverterCache.h"
  30 #include "FontEnums.h"
  31 #include "FuncRequest.h"
  32 #include "KeyMap.h"
  33 #include "KeySequence.h"
  34 #include "Language.h"
  35 #include "LyXAction.h"
  36 #include "LyX.h"
  37 #include "PanelStack.h"
  38 #include "Session.h"
  39 #include "SpellChecker.h"
  40
  41 #include "support/debug.h"
  42 #include "support/FileName.h"
  43 #include "support/filetools.h"
  44 #include "support/gettext.h"
  45 #include "support/lassert.h"
  46 #include "support/lstrings.h"
  47 #include "support/Messages.h"
  48 #include "support/os.h"
  49 #include "support/Package.h"
  50
  51 #include "graphics/GraphicsTypes.h"
  52
  53 #include "frontends/alert.h"
  54 #include "frontends/Application.h"
  55 #include "frontends/FontLoader.h"
  56
  57 #include <QAbstractItemModel>
  58 #include <QCheckBox>
  59 #include <QColorDialog>
  60 #include <QFontDatabase>
  61 #include <QHeaderView>
  62 #include <QLineEdit>
  63 #include <QMessageBox>
  64 #include <QPixmapCache>
  65 #include <QPushButton>
  66 #include <QSpinBox>
  67 #include <QString>
  68 #include <QTreeWidget>
  69 #include <QTreeWidgetItem>
  70 #include <QValidator>
  71
  72 #include <iomanip>
  73 #include <sstream>
  74 #include <algorithm>
  75
  76 using namespace Ui;
  77
  78 using namespace std;
  79 using namespace lyx::support;
  80 using namespace lyx::support::os;
  81
  82 namespace lyx {
  83 namespace frontend {
  84
  85 /////////////////////////////////////////////////////////////////////
  86 //
  87 // Browser Helpers
  88 //
  89 /////////////////////////////////////////////////////////////////////
  90
  91 /** Launch a file dialog and return the chosen file.
  92         filename: a suggested filename.
  93         title: the title of the dialog.
  94         filters: *.ps etc.
  95         dir1 = (name, dir), dir2 = (name, dir): extra buttons on the dialog.
  96 */
  97 QString browseFile(QString const & filename,
  98         QString const & title,
  99         QStringList const & filters,
 100         bool save = false,
 101         QString const & label1 = QString(),
 102         QString const & dir1 = QString(),
 103         QString const & label2 = QString(),
 104         QString const & dir2 = QString(),
 105         QString const & fallback_dir = QString())
 106 {
 107         QString lastPath = ".";
 108         if (!filename.isEmpty())
 109                 lastPath = onlyPath(filename);
 110         else if(!fallback_dir.isEmpty())
 111                 lastPath = fallback_dir;
 112
 113         FileDialog dlg(title);
 114         dlg.setButton2(label1, dir1);
 115         dlg.setButton2(label2, dir2);
 116
 117         FileDialog::Result result;
 118
 119         if (save)
 120                 result = dlg.save(lastPath, filters, onlyFileName(filename));
 121         else
 122                 result = dlg.open(lastPath, filters, onlyFileName(filename));
 123
 124         return result.second;
 125 }
 126
 127
 128 /** Wrapper around browseFile which tries to provide a filename
 129 *  relative to the user or system directory. The dir, name and ext
 130 *  parameters have the same meaning as in the
 131 *  support::LibFileSearch function.
 132 */
 133 QString browseLibFile(QString const & dir,
 134         QString const & name,
 135         QString const & ext,
 136         QString const & title,
 137         QStringList const & filters)
 138 {
 139         // FIXME UNICODE
 140         QString const label1 = qt_("System files|#S#s");
 141         QString const dir1 =
 142                 toqstr(addName(package().system_support().absFileName(), fromqstr(dir)));
 143
 144         QString const label2 = qt_("User files|#U#u");
 145         QString const dir2 =
 146                 toqstr(addName(package().user_support().absFileName(), fromqstr(dir)));
 147
 148         QString const result = browseFile(toqstr(
 149                 libFileSearch(dir, name, ext).absFileName()),
 150                 title, filters, false, dir1, dir2, QString(), QString(), dir1);
 151
 152         // remove the extension if it is the default one
 153         QString noextresult;
 154         if (getExtension(result) == ext)
 155                 noextresult = removeExtension(result);
 156         else
 157                 noextresult = result;
 158
 159         // remove the directory, if it is the default one
 160         QString const file = onlyFileName(noextresult);
 161         if (toqstr(libFileSearch(dir, file, ext).absFileName()) == result)
 162                 return file;
 163         else
 164                 return noextresult;
 165 }
 166
 167
 168 /** Launch a file dialog and return the chosen directory.
 169         pathname: a suggested pathname.
 170         title: the title of the dialog.
 171         dir1 = (name, dir), dir2 = (name, dir): extra buttons on the dialog.
 172 */
 173 QString browseDir(QString const & pathname,
 174         QString const & title,
 175         QString const & label1 = QString(),
 176         QString const & dir1 = QString(),
 177         QString const & label2 = QString(),
 178         QString const & dir2 = QString())
 179 {
 180         QString lastPath = ".";
 181         if (!pathname.isEmpty())
 182                 lastPath = onlyPath(pathname);
 183
 184         FileDialog dlg(title);
 185         dlg.setButton1(label1, dir1);
 186         dlg.setButton2(label2, dir2);
 187
 188         FileDialog::Result const result =
 189                 dlg.opendir(lastPath, onlyFileName(pathname));
 190
 191         return result.second;
 192 }
 193
 194
 195 } // namespace frontend
 196
 197
 198 QString browseRelToParent(QString const & filename, QString const & relpath,
 199         QString const & title, QStringList const & filters, bool save,
 200         QString const & label1, QString const & dir1,
 201         QString const & label2, QString const & dir2)
 202 {
 203         QString const fname = makeAbsPath(filename, relpath);
 204
 205         QString const outname =
 206                 frontend::browseFile(fname, title, filters, save, label1, dir1, label2, dir2);
 207
 208         QString const reloutname =
 209                 toqstr(makeRelPath(qstring_to_ucs4(outname), qstring_to_ucs4(relpath)));
 210
 211         if (reloutname.startsWith("../"))
 212                 return outname;
 213         else
 214                 return reloutname;
 215 }
 216
 217
 218 QString browseRelToSub(QString const & filename, QString const & relpath,
 219         QString const & title, QStringList const & filters, bool save,
 220         QString const & label1, QString const & dir1,
 221         QString const & label2, QString const & dir2)
 222 {
 223         QString const fname = makeAbsPath(filename, relpath);
 224
 225         QString const outname =
 226                 frontend::browseFile(fname, title, filters, save, label1, dir1, label2, dir2);
 227
 228         QString const reloutname =
 229                 toqstr(makeRelPath(qstring_to_ucs4(outname), qstring_to_ucs4(relpath)));
 230
 231         QString testname = reloutname;
 232         testname.remove(QRegExp("^(\\.\\./)+"));
 233
 234         if (testname.contains("/"))
 235                 return outname;
 236         else
 237                 return reloutname;
 238 }
 239
 240
 241
 242 /////////////////////////////////////////////////////////////////////
 243 //
 244 // Helpers
 245 //
 246 /////////////////////////////////////////////////////////////////////
 247
 248 namespace frontend {
 249
 250 QString const catLookAndFeel = N_("Look & Feel");
 251 QString const catEditing = N_("Editing");
 252 QString const catLanguage = N_("Language Settings");
 253 QString const catOutput = N_("Output");
 254 QString const catFiles = N_("File Handling");
 255
 256 static void parseFontName(QString const & mangled0,
 257         string & name, string & foundry)
 258 {
 259         string mangled = fromqstr(mangled0);
 260         size_t const idx = mangled.find('[');
 261         if (idx == string::npos || idx == 0) {
 262                 name = mangled;
 263                 foundry.clear();
 264         } else {
 265                 name = mangled.substr(0, idx - 1),
 266                 foundry = mangled.substr(idx + 1, mangled.size() - idx - 2);
 267         }
 268 }
 269
 270
 271 static void setComboxFont(QComboBox * cb, string const & family,
 272         string const & foundry)
 273 {
 274         QString fontname = toqstr(family);
 275         if (!foundry.empty())
 276                 fontname += " [" + toqstr(foundry) + ']';
 277
 278         for (int i = 0; i != cb->count(); ++i) {
 279                 if (cb->itemText(i) == fontname) {
 280                         cb->setCurrentIndex(i);
 281                         return;
 282                 }
 283         }
 284
 285         // Try matching without foundry name
 286
 287         // We count in reverse in order to prefer the Xft foundry
 288         for (int i = cb->count(); --i >= 0;) {
 289                 string name, foundry;
 290                 parseFontName(cb->itemText(i), name, foundry);
 291                 if (compare_ascii_no_case(name, family) == 0) {
 292                         cb->setCurrentIndex(i);
 293                         return;
 294                 }
 295         }
 296
 297         // family alone can contain e.g. "Helvetica [Adobe]"
 298         string tmpname, tmpfoundry;
 299         parseFontName(toqstr(family), tmpname, tmpfoundry);
 300
 301         // We count in reverse in order to prefer the Xft foundry
 302         for (int i = cb->count(); --i >= 0; ) {
 303                 string name, foundry;
 304                 parseFontName(cb->itemText(i), name, foundry);
 305                 if (compare_ascii_no_case(name, foundry) == 0) {
 306                         cb->setCurrentIndex(i);
 307                         return;
 308                 }
 309         }
 310
 311         // Bleh, default fonts, and the names couldn't be found. Hack
 312         // for bug 1063.
 313
 314         QFont font;
 315
 316         QString const font_family = toqstr(family);
 317         if (font_family == guiApp->romanFontName()) {
 318                 font.setStyleHint(QFont::Serif);
 319                 font.setFamily(font_family);
 320         } else if (font_family == guiApp->sansFontName()) {
 321                 font.setStyleHint(QFont::SansSerif);
 322                 font.setFamily(font_family);
 323         } else if (font_family == guiApp->typewriterFontName()) {
 324                 font.setStyleHint(QFont::TypeWriter);
 325                 font.setFamily(font_family);
 326         } else {
 327                 LYXERR0("FAILED to find the default font: '"
 328                        << foundry << "', '" << family << '\'');
 329                 return;
 330         }
 331
 332         QFontInfo info(font);
 333         string default_font_name, dummyfoundry;
 334         parseFontName(info.family(), default_font_name, dummyfoundry);
 335         LYXERR0("Apparent font is " << default_font_name);
 336
 337         for (int i = 0; i < cb->count(); ++i) {
 338                 LYXERR0("Looking at " << cb->itemText(i));
 339                 if (compare_ascii_no_case(fromqstr(cb->itemText(i)),
 340                                     default_font_name) == 0) {
 341                         cb->setCurrentIndex(i);
 342                         return;
 343                 }
 344         }
 345
 346         LYXERR0("FAILED to find the font: '"
 347                << foundry << "', '" << family << '\'');
 348 }
 349
 350
 351 /////////////////////////////////////////////////////////////////////
 352 //
 353 // StrftimeValidator
 354 //
 355 /////////////////////////////////////////////////////////////////////
 356
 357 class StrftimeValidator : public QValidator
 358 {
 359 public:
 360         StrftimeValidator(QWidget *);
 361         QValidator::State validate(QString & input, int & pos) const;
 362 };
 363
 364
 365 StrftimeValidator::StrftimeValidator(QWidget * parent)
 366         : QValidator(parent)
 367 {
 368 }
 369
 370
 371 QValidator::State StrftimeValidator::validate(QString & input, int & /*pos*/) const
 372 {
 373         if (is_valid_strftime(fromqstr(input)))
 374                 return QValidator::Acceptable;
 375         else
 376                 return QValidator::Intermediate;
 377 }
 378
 379
 380 /////////////////////////////////////////////////////////////////////
 381 //
 382 // PrefOutput
 383 //
 384 /////////////////////////////////////////////////////////////////////
 385
 386 PrefOutput::PrefOutput(GuiPreferences * form)
 387         : PrefModule(catOutput, N_("General"), form)
 388 {
 389         setupUi(this);
 390
 391         DateED->setValidator(new StrftimeValidator(DateED));
 392         dviCB->setValidator(new NoNewLineValidator(dviCB));
 393         pdfCB->setValidator(new NoNewLineValidator(pdfCB));
 394
 395         connect(DateED, SIGNAL(textChanged(QString)),
 396                 this, SIGNAL(changed()));
 397         connect(plaintextLinelengthSB, SIGNAL(valueChanged(int)),
 398                 this, SIGNAL(changed()));
 399         connect(overwriteCO, SIGNAL(activated(int)),
 400                 this, SIGNAL(changed()));
 401         connect(dviCB, SIGNAL(editTextChanged(QString)),
 402                 this, SIGNAL(changed()));
 403         connect(pdfCB, SIGNAL(editTextChanged(QString)),
 404                 this, SIGNAL(changed()));
 405         connect(printerPaperTypeED, SIGNAL(textChanged(QString)),
 406                 this, SIGNAL(changed()));
 407         connect(printerLandscapeED, SIGNAL(textChanged(QString)),
 408                 this, SIGNAL(changed()));
 409         connect(printerPaperSizeED, SIGNAL(textChanged(QString)),
 410                 this, SIGNAL(changed()));
 411
 412         printerPaperTypeED->setValidator(new NoNewLineValidator(printerPaperTypeED));
 413         printerLandscapeED->setValidator(new NoNewLineValidator(printerLandscapeED));
 414         printerPaperSizeED->setValidator(new NoNewLineValidator(printerPaperSizeED));
 415
 416         dviCB->addItem("");
 417         dviCB->addItem("xdvi -sourceposition '$$n:\\ $$t' $$o");
 418         dviCB->addItem("yap -1 -s \"$$n $$t\" $$o");
 419         dviCB->addItem("okular --unique \"$$o#src:$$n $$f\"");
 420         dviCB->addItem("synctex view -i $$n:0:$$t -o $$o -x \"evince -i %{page+1} $$o\"");
 421         pdfCB->addItem("");
 422         pdfCB->addItem("CMCDDE SUMATRA control [ForwardSearch(\\\"$$o\\\",\\\"$$t\\\",$$n,0,0,1)]");
 423         pdfCB->addItem("SumatraPDF -reuse-instance \"$$o\" -forward-search \"$$t\" $$n");
 424         pdfCB->addItem("synctex view -i $$n:0:$$t -o $$o -x \"xpdf -raise -remote $$t.tmp $$o %{page+1}\"");
 425         pdfCB->addItem("okular --unique \"$$o#src:$$n $$f\"");
 426         pdfCB->addItem("qpdfview --unique \"$$o#src:$$f:$$n:0\"");
 427         pdfCB->addItem("synctex view -i $$n:0:$$t -o $$o -x \"evince -i %{page+1} $$o\"");
 428         pdfCB->addItem("/Applications/Skim.app/Contents/SharedSupport/displayline $$n $$o $$t");
 429 }
 430
 431
 432 void PrefOutput::on_DateED_textChanged(const QString &)
 433 {
 434         QString t = DateED->text();
 435         int p = 0;
 436         bool valid = DateED->validator()->validate(t, p)
 437                      == QValidator::Acceptable;
 438         setValid(DateLA, valid);
 439 }
 440
 441
 442 void PrefOutput::applyRC(LyXRC & rc) const
 443 {
 444         rc.date_insert_format = fromqstr(DateED->text());
 445         rc.plaintext_linelen = plaintextLinelengthSB->value();
 446         rc.forward_search_dvi = fromqstr(dviCB->currentText());
 447         rc.forward_search_pdf = fromqstr(pdfCB->currentText());
 448
 449         switch (overwriteCO->currentIndex()) {
 450         case 0:
 451                 rc.export_overwrite = NO_FILES;
 452                 break;
 453         case 1:
 454                 rc.export_overwrite = MAIN_FILE;
 455                 break;
 456         case 2:
 457                 rc.export_overwrite = ALL_FILES;
 458                 break;
 459         }
 460
 461         rc.print_paper_flag = fromqstr(printerPaperTypeED->text());
 462         rc.print_landscape_flag = fromqstr(printerLandscapeED->text());
 463         rc.print_paper_dimension_flag = fromqstr(printerPaperSizeED->text());
 464 }
 465
 466
 467 void PrefOutput::updateRC(LyXRC const & rc)
 468 {
 469         DateED->setText(toqstr(rc.date_insert_format));
 470         plaintextLinelengthSB->setValue(rc.plaintext_linelen);
 471         dviCB->setEditText(toqstr(rc.forward_search_dvi));
 472         pdfCB->setEditText(toqstr(rc.forward_search_pdf));
 473
 474         switch (rc.export_overwrite) {
 475         case NO_FILES:
 476                 overwriteCO->setCurrentIndex(0);
 477                 break;
 478         case MAIN_FILE:
 479                 overwriteCO->setCurrentIndex(1);
 480                 break;
 481         case ALL_FILES:
 482                 overwriteCO->setCurrentIndex(2);
 483                 break;
 484         }
 485
 486         printerPaperTypeED->setText(toqstr(rc.print_paper_flag));
 487         printerLandscapeED->setText(toqstr(rc.print_landscape_flag));
 488         printerPaperSizeED->setText(toqstr(rc.print_paper_dimension_flag));
 489 }
 490
 491
 492 /////////////////////////////////////////////////////////////////////
 493 //
 494 // PrefInput
 495 //
 496 /////////////////////////////////////////////////////////////////////
 497
 498 PrefInput::PrefInput(GuiPreferences * form)
 499         : PrefModule(catEditing, N_("Keyboard/Mouse"), form)
 500 {
 501         setupUi(this);
 502
 503         connect(keymapCB, SIGNAL(clicked()),
 504                 this, SIGNAL(changed()));
 505         connect(firstKeymapED, SIGNAL(textChanged(QString)),
 506                 this, SIGNAL(changed()));
 507         connect(secondKeymapED, SIGNAL(textChanged(QString)),
 508                 this, SIGNAL(changed()));
 509         connect(mouseWheelSpeedSB, SIGNAL(valueChanged(double)),
 510                 this, SIGNAL(changed()));
 511         connect(scrollzoomEnableCB, SIGNAL(clicked()),
 512                 this, SIGNAL(changed()));
 513         connect(scrollzoomValueCO, SIGNAL(activated(int)),
 514                 this, SIGNAL(changed()));
 515         connect(dontswapCB, SIGNAL(toggled(bool)),
 516                 this, SIGNAL(changed()));
 517         connect(mmPasteCB, SIGNAL(toggled(bool)),
 518                 this, SIGNAL(changed()));
 519
 520         // reveal checkbox for switching Ctrl and Meta on Mac:
 521         bool swapcb = false;
 522 #ifdef Q_OS_MAC
 523 #if QT_VERSION > 0x040600
 524         swapcb = true;
 525 #endif
 526 #endif
 527         dontswapCB->setVisible(swapcb);
 528 }
 529
 530
 531 void PrefInput::applyRC(LyXRC & rc) const
 532 {
 533         // FIXME: can derive CB from the two EDs
 534         rc.use_kbmap = keymapCB->isChecked();
 535         rc.primary_kbmap = internal_path(fromqstr(firstKeymapED->text()));
 536         rc.secondary_kbmap = internal_path(fromqstr(secondKeymapED->text()));
 537         rc.mouse_wheel_speed = mouseWheelSpeedSB->value();
 538         if (scrollzoomEnableCB->isChecked()) {
 539                 switch (scrollzoomValueCO->currentIndex()) {
 540                 case 0:
 541                         rc.scroll_wheel_zoom = LyXRC::SCROLL_WHEEL_ZOOM_CTRL;
 542                         break;
 543                 case 1:
 544                         rc.scroll_wheel_zoom = LyXRC::SCROLL_WHEEL_ZOOM_SHIFT;
 545                         break;
 546                 case 2:
 547                         rc.scroll_wheel_zoom = LyXRC::SCROLL_WHEEL_ZOOM_ALT;
 548                         break;
 549                 }
 550         } else {
 551                 rc.scroll_wheel_zoom = LyXRC::SCROLL_WHEEL_ZOOM_OFF;
 552         }
 553         rc.mac_dontswap_ctrl_meta  = dontswapCB->isChecked();
 554         rc.mouse_middlebutton_paste = mmPasteCB->isChecked();
 555 }
 556
 557
 558 void PrefInput::updateRC(LyXRC const & rc)
 559 {
 560         // FIXME: can derive CB from the two EDs
 561         keymapCB->setChecked(rc.use_kbmap);
 562         firstKeymapED->setText(toqstr(external_path(rc.primary_kbmap)));
 563         secondKeymapED->setText(toqstr(external_path(rc.secondary_kbmap)));
 564         mouseWheelSpeedSB->setValue(rc.mouse_wheel_speed);
 565         switch (rc.scroll_wheel_zoom) {
 566         case LyXRC::SCROLL_WHEEL_ZOOM_OFF:
 567                 scrollzoomEnableCB->setChecked(false);
 568                 break;
 569         case LyXRC::SCROLL_WHEEL_ZOOM_CTRL:
 570                 scrollzoomEnableCB->setChecked(true);
 571                 scrollzoomValueCO->setCurrentIndex(0);
 572                 break;
 573         case LyXRC::SCROLL_WHEEL_ZOOM_SHIFT:
 574                 scrollzoomEnableCB->setChecked(true);
 575                 scrollzoomValueCO->setCurrentIndex(1);
 576                 break;
 577         case LyXRC::SCROLL_WHEEL_ZOOM_ALT:
 578                 scrollzoomEnableCB->setChecked(true);
 579                 scrollzoomValueCO->setCurrentIndex(2);
 580                 break;
 581         }
 582         dontswapCB->setChecked(rc.mac_dontswap_ctrl_meta);
 583         mmPasteCB->setChecked(rc.mouse_middlebutton_paste);
 584 }
 585
 586
 587 QString PrefInput::testKeymap(QString const & keymap)
 588 {
 589         return form_->browsekbmap(internalPath(keymap));
 590 }
 591
 592
 593 void PrefInput::on_firstKeymapPB_clicked(bool)
 594 {
 595         QString const file = testKeymap(firstKeymapED->text());
 596         if (!file.isEmpty())
 597                 firstKeymapED->setText(file);
 598 }
 599
 600
 601 void PrefInput::on_secondKeymapPB_clicked(bool)
 602 {
 603         QString const file = testKeymap(secondKeymapED->text());
 604         if (!file.isEmpty())
 605                 secondKeymapED->setText(file);
 606 }
 607
 608
 609 void PrefInput::on_keymapCB_toggled(bool keymap)
 610 {
 611         firstKeymapLA->setEnabled(keymap);
 612         secondKeymapLA->setEnabled(keymap);
 613         firstKeymapED->setEnabled(keymap);
 614         secondKeymapED->setEnabled(keymap);
 615         firstKeymapPB->setEnabled(keymap);
 616         secondKeymapPB->setEnabled(keymap);
 617 }
 618
 619
 620 void PrefInput::on_scrollzoomEnableCB_toggled(bool enabled)
 621 {
 622         scrollzoomValueCO->setEnabled(enabled);
 623 }
 624
 625
 626 /////////////////////////////////////////////////////////////////////
 627 //
 628 // PrefCompletion
 629 //
 630 /////////////////////////////////////////////////////////////////////
 631
 632 PrefCompletion::PrefCompletion(GuiPreferences * form)
 633         : PrefModule(catEditing, N_("Input Completion"), form)
 634 {
 635         setupUi(this);
 636
 637         connect(inlineDelaySB, SIGNAL(valueChanged(double)),
 638                 this, SIGNAL(changed()));
 639         connect(inlineMathCB, SIGNAL(clicked()),
 640                 this, SIGNAL(changed()));
 641         connect(inlineTextCB, SIGNAL(clicked()),
 642                 this, SIGNAL(changed()));
 643         connect(inlineDotsCB, SIGNAL(clicked()),
 644                 this, SIGNAL(changed()));
 645         connect(popupDelaySB, SIGNAL(valueChanged(double)),
 646                 this, SIGNAL(changed()));
 647         connect(popupMathCB, SIGNAL(clicked()),
 648                 this, SIGNAL(changed()));
 649         connect(autocorrectionCB, SIGNAL(clicked()),
 650                 this, SIGNAL(changed()));
 651         connect(popupTextCB, SIGNAL(clicked()),
 652                 this, SIGNAL(changed()));
 653         connect(popupAfterCompleteCB, SIGNAL(clicked()),
 654                 this, SIGNAL(changed()));
 655         connect(cursorTextCB, SIGNAL(clicked()),
 656                 this, SIGNAL(changed()));
 657         connect(minlengthSB, SIGNAL(valueChanged(int)),
 658                         this, SIGNAL(changed()));
 659 }
 660
 661
 662 void PrefCompletion::on_inlineTextCB_clicked()
 663 {
 664         enableCB();
 665 }
 666
 667
 668 void PrefCompletion::on_popupTextCB_clicked()
 669 {
 670         enableCB();
 671 }
 672
 673
 674 void PrefCompletion::enableCB()
 675 {
 676         cursorTextCB->setEnabled(
 677                 popupTextCB->isChecked() || inlineTextCB->isChecked());
 678 }
 679
 680
 681 void PrefCompletion::applyRC(LyXRC & rc) const
 682 {
 683         rc.completion_inline_delay = inlineDelaySB->value();
 684         rc.completion_inline_math = inlineMathCB->isChecked();
 685         rc.completion_inline_text = inlineTextCB->isChecked();
 686         rc.completion_inline_dots = inlineDotsCB->isChecked() ? 13 : -1;
 687         rc.completion_popup_delay = popupDelaySB->value();
 688         rc.completion_popup_math = popupMathCB->isChecked();
 689         rc.autocorrection_math = autocorrectionCB->isChecked();
 690         rc.completion_popup_text = popupTextCB->isChecked();
 691         rc.completion_cursor_text = cursorTextCB->isChecked();
 692         rc.completion_popup_after_complete =
 693                 popupAfterCompleteCB->isChecked();
 694         rc.completion_minlength = minlengthSB->value();
 695 }
 696
 697
 698 void PrefCompletion::updateRC(LyXRC const & rc)
 699 {
 700         inlineDelaySB->setValue(rc.completion_inline_delay);
 701         inlineMathCB->setChecked(rc.completion_inline_math);
 702         inlineTextCB->setChecked(rc.completion_inline_text);
 703         inlineDotsCB->setChecked(rc.completion_inline_dots != -1);
 704         popupDelaySB->setValue(rc.completion_popup_delay);
 705         popupMathCB->setChecked(rc.completion_popup_math);
 706         autocorrectionCB->setChecked(rc.autocorrection_math);
 707         popupTextCB->setChecked(rc.completion_popup_text);
 708         cursorTextCB->setChecked(rc.completion_cursor_text);
 709         popupAfterCompleteCB->setChecked(rc.completion_popup_after_complete);
 710         enableCB();
 711         minlengthSB->setValue(rc.completion_minlength);
 712 }
 713
 714
 715
 716 /////////////////////////////////////////////////////////////////////
 717 //
 718 // PrefLatex
 719 //
 720 /////////////////////////////////////////////////////////////////////
 721
 722 PrefLatex::PrefLatex(GuiPreferences * form)
 723         : PrefModule(catOutput, N_("LaTeX"), form)
 724 {
 725         setupUi(this);
 726
 727         latexEncodingED->setValidator(new NoNewLineValidator(latexEncodingED));
 728         latexDviPaperED->setValidator(new NoNewLineValidator(latexDviPaperED));
 729         latexBibtexED->setValidator(new NoNewLineValidator(latexBibtexED));
 730         latexJBibtexED->setValidator(new NoNewLineValidator(latexJBibtexED));
 731         latexIndexED->setValidator(new NoNewLineValidator(latexIndexED));
 732         latexJIndexED->setValidator(new NoNewLineValidator(latexJIndexED));
 733         latexNomenclED->setValidator(new NoNewLineValidator(latexNomenclED));
 734         latexChecktexED->setValidator(new NoNewLineValidator(latexChecktexED));
 735
 736         connect(latexEncodingCB, SIGNAL(clicked()),
 737                 this, SIGNAL(changed()));
 738         connect(latexEncodingED, SIGNAL(textChanged(QString)),
 739                 this, SIGNAL(changed()));
 740         connect(latexChecktexED, SIGNAL(textChanged(QString)),
 741                 this, SIGNAL(changed()));
 742         connect(latexBibtexCO, SIGNAL(activated(int)),
 743                 this, SIGNAL(changed()));
 744         connect(latexBibtexED, SIGNAL(textChanged(QString)),
 745                 this, SIGNAL(changed()));
 746         connect(latexJBibtexED, SIGNAL(textChanged(QString)),
 747                 this, SIGNAL(changed()));
 748         connect(latexIndexCO, SIGNAL(activated(int)),
 749                 this, SIGNAL(changed()));
 750         connect(latexIndexED, SIGNAL(textChanged(QString)),
 751                 this, SIGNAL(changed()));
 752         connect(latexJIndexED, SIGNAL(textChanged(QString)),
 753                 this, SIGNAL(changed()));
 754         connect(latexAutoresetCB, SIGNAL(clicked()),
 755                 this, SIGNAL(changed()));
 756         connect(latexDviPaperED, SIGNAL(textChanged(QString)),
 757                 this, SIGNAL(changed()));
 758         connect(latexNomenclED, SIGNAL(textChanged(QString)),
 759                 this, SIGNAL(changed()));
 760
 761 #if defined(__CYGWIN__) || defined(_WIN32)
 762         pathCB->setVisible(true);
 763         connect(pathCB, SIGNAL(clicked()),
 764                 this, SIGNAL(changed()));
 765 #else
 766         pathCB->setVisible(false);
 767 #endif
 768 }
 769
 770
 771 void PrefLatex::on_latexEncodingCB_stateChanged(int state)
 772 {
 773         latexEncodingED->setEnabled(state == Qt::Checked);
 774 }
 775
 776
 777 void PrefLatex::on_latexBibtexCO_activated(int n)
 778 {
 779         QString const bibtex = latexBibtexCO->itemData(n).toString();
 780         if (bibtex.isEmpty()) {
 781                 latexBibtexED->clear();
 782                 latexBibtexOptionsLA->setText(qt_("Co&mmand:"));
 783                 return;
 784         }
 785         for (LyXRC::CommandSet::const_iterator it = bibtex_alternatives.begin();
 786              it != bibtex_alternatives.end(); ++it) {
 787                 QString const bib = toqstr(*it);
 788                 int ind = bib.indexOf(" ");
 789                 QString sel_command = bib.left(ind);
 790                 QString sel_options = ind < 0 ? QString() : bib.mid(ind + 1);
 791                 if (bibtex == sel_command) {
 792                         if (ind < 0)
 793                                 latexBibtexED->clear();
 794                         else
 795                                 latexBibtexED->setText(sel_options.trimmed());
 796                 }
 797         }
 798         latexBibtexOptionsLA->setText(qt_("&Options:"));
 799 }
 800
 801
 802 void PrefLatex::on_latexIndexCO_activated(int n)
 803 {
 804         QString const index = latexIndexCO->itemData(n).toString();
 805         if (index.isEmpty()) {
 806                 latexIndexED->clear();
 807                 latexIndexOptionsLA->setText(qt_("Co&mmand:"));
 808                 return;
 809         }
 810         for (LyXRC::CommandSet::const_iterator it = index_alternatives.begin();
 811              it != index_alternatives.end(); ++it) {
 812                 QString const idx = toqstr(*it);
 813                 int ind = idx.indexOf(" ");
 814                 QString sel_command = idx.left(ind);
 815                 QString sel_options = ind < 0 ? QString() : idx.mid(ind + 1);
 816                 if (index == sel_command) {
 817                         if (ind < 0)
 818                                 latexIndexED->clear();
 819                         else
 820                                 latexIndexED->setText(sel_options.trimmed());
 821                 }
 822         }
 823         latexIndexOptionsLA->setText(qt_("Op&tions:"));
 824 }
 825
 826
 827 void PrefLatex::applyRC(LyXRC & rc) const
 828 {
 829         // If bibtex is not empty, bibopt contains the options, otherwise
 830         // it is a customized bibtex command with options.
 831         QString const bibtex = latexBibtexCO->itemData(
 832                 latexBibtexCO->currentIndex()).toString();
 833         QString const bibopt = latexBibtexED->text();
 834         if (bibtex.isEmpty())
 835                 rc.bibtex_command = fromqstr(bibopt);
 836         else if (bibopt.isEmpty())
 837                 rc.bibtex_command = fromqstr(bibtex);
 838         else
 839                 rc.bibtex_command = fromqstr(bibtex) + " " + fromqstr(bibopt);
 840
 841         // If index is not empty, idxopt contains the options, otherwise
 842         // it is a customized index command with options.
 843         QString const index = latexIndexCO->itemData(
 844                 latexIndexCO->currentIndex()).toString();
 845         QString const idxopt = latexIndexED->text();
 846         if (index.isEmpty())
 847                 rc.index_command = fromqstr(idxopt);
 848         else if (idxopt.isEmpty())
 849                 rc.index_command = fromqstr(index);
 850         else
 851                 rc.index_command = fromqstr(index) + " " + fromqstr(idxopt);
 852
 853         if (latexEncodingCB->isChecked())
 854                 rc.fontenc = fromqstr(latexEncodingED->text());
 855         else
 856                 rc.fontenc = "default";
 857         rc.chktex_command = fromqstr(latexChecktexED->text());
 858         rc.jbibtex_command = fromqstr(latexJBibtexED->text());
 859         rc.jindex_command = fromqstr(latexJIndexED->text());
 860         rc.nomencl_command = fromqstr(latexNomenclED->text());
 861         rc.auto_reset_options = latexAutoresetCB->isChecked();
 862         rc.view_dvi_paper_option = fromqstr(latexDviPaperED->text());
 863 #if defined(__CYGWIN__) || defined(_WIN32)
 864         rc.windows_style_tex_paths = pathCB->isChecked();
 865 #endif
 866 }
 867
 868
 869 void PrefLatex::updateRC(LyXRC const & rc)
 870 {
 871         latexBibtexCO->clear();
 872
 873         latexBibtexCO->addItem(qt_("Custom"), QString());
 874         for (LyXRC::CommandSet::const_iterator it = rc.bibtex_alternatives.begin();
 875                              it != rc.bibtex_alternatives.end(); ++it) {
 876                 QString const command = toqstr(*it).left(toqstr(*it).indexOf(" "));
 877                 latexBibtexCO->addItem(command, command);
 878         }
 879
 880         bibtex_alternatives = rc.bibtex_alternatives;
 881
 882         QString const bib = toqstr(rc.bibtex_command);
 883         int ind = bib.indexOf(" ");
 884         QString sel_command = bib.left(ind);
 885         QString sel_options = ind < 0 ? QString() : bib.mid(ind + 1);
 886
 887         int pos = latexBibtexCO->findData(sel_command);
 888         if (pos != -1) {
 889                 latexBibtexCO->setCurrentIndex(pos);
 890                 latexBibtexED->setText(sel_options.trimmed());
 891                 latexBibtexOptionsLA->setText(qt_("&Options:"));
 892         } else {
 893                 latexBibtexED->setText(toqstr(rc.bibtex_command));
 894                 latexBibtexCO->setCurrentIndex(0);
 895                 latexBibtexOptionsLA->setText(qt_("Co&mmand:"));
 896         }
 897
 898         latexIndexCO->clear();
 899
 900         latexIndexCO->addItem(qt_("Custom"), QString());
 901         for (LyXRC::CommandSet::const_iterator it = rc.index_alternatives.begin();
 902                              it != rc.index_alternatives.end(); ++it) {
 903                 QString const command = toqstr(*it).left(toqstr(*it).indexOf(" "));
 904                 latexIndexCO->addItem(command, command);
 905         }
 906
 907         index_alternatives = rc.index_alternatives;
 908
 909         QString const idx = toqstr(rc.index_command);
 910         ind = idx.indexOf(" ");
 911         sel_command = idx.left(ind);
 912         sel_options = ind < 0 ? QString() : idx.mid(ind + 1);
 913
 914         pos = latexIndexCO->findData(sel_command);
 915         if (pos != -1) {
 916                 latexIndexCO->setCurrentIndex(pos);
 917                 latexIndexED->setText(sel_options.trimmed());
 918                 latexIndexOptionsLA->setText(qt_("Op&tions:"));
 919         } else {
 920                 latexIndexED->setText(toqstr(rc.index_command));
 921                 latexIndexCO->setCurrentIndex(0);
 922                 latexIndexOptionsLA->setText(qt_("Co&mmand:"));
 923         }
 924
 925         if (rc.fontenc == "default") {
 926                 latexEncodingCB->setChecked(false);
 927                 latexEncodingED->setEnabled(false);
 928         } else {
 929                 latexEncodingCB->setChecked(true);
 930                 latexEncodingED->setEnabled(true);
 931                 latexEncodingED->setText(toqstr(rc.fontenc));
 932         }
 933         latexChecktexED->setText(toqstr(rc.chktex_command));
 934         latexJBibtexED->setText(toqstr(rc.jbibtex_command));
 935         latexJIndexED->setText(toqstr(rc.jindex_command));
 936         latexNomenclED->setText(toqstr(rc.nomencl_command));
 937         latexAutoresetCB->setChecked(rc.auto_reset_options);
 938         latexDviPaperED->setText(toqstr(rc.view_dvi_paper_option));
 939 #if defined(__CYGWIN__) || defined(_WIN32)
 940         pathCB->setChecked(rc.windows_style_tex_paths);
 941 #endif
 942 }
 943
 944
 945 /////////////////////////////////////////////////////////////////////
 946 //
 947 // PrefScreenFonts
 948 //
 949 /////////////////////////////////////////////////////////////////////
 950
 951 PrefScreenFonts::PrefScreenFonts(GuiPreferences * form)
 952         : PrefModule(catLookAndFeel, N_("Screen Fonts"), form)
 953 {
 954         setupUi(this);
 955
 956         connect(screenRomanCO, SIGNAL(activated(QString)),
 957                 this, SLOT(selectRoman(QString)));
 958         connect(screenSansCO, SIGNAL(activated(QString)),
 959                 this, SLOT(selectSans(QString)));
 960         connect(screenTypewriterCO, SIGNAL(activated(QString)),
 961                 this, SLOT(selectTypewriter(QString)));
 962
 963         QFontDatabase fontdb;
 964         QStringList families(fontdb.families());
 965         for (QStringList::Iterator it = families.begin(); it != families.end(); ++it) {
 966                 screenRomanCO->addItem(*it);
 967                 screenSansCO->addItem(*it);
 968                 screenTypewriterCO->addItem(*it);
 969         }
 970         connect(screenRomanCO, SIGNAL(activated(QString)),
 971                 this, SIGNAL(changed()));
 972         connect(screenSansCO, SIGNAL(activated(QString)),
 973                 this, SIGNAL(changed()));
 974         connect(screenTypewriterCO, SIGNAL(activated(QString)),
 975                 this, SIGNAL(changed()));
 976         connect(screenZoomSB, SIGNAL(valueChanged(int)),
 977                 this, SIGNAL(changed()));
 978         connect(screenTinyED, SIGNAL(textChanged(QString)),
 979                 this, SIGNAL(changed()));
 980         connect(screenSmallestED, SIGNAL(textChanged(QString)),
 981                 this, SIGNAL(changed()));
 982         connect(screenSmallerED, SIGNAL(textChanged(QString)),
 983                 this, SIGNAL(changed()));
 984         connect(screenSmallED, SIGNAL(textChanged(QString)),
 985                 this, SIGNAL(changed()));
 986         connect(screenNormalED, SIGNAL(textChanged(QString)),
 987                 this, SIGNAL(changed()));
 988         connect(screenLargeED, SIGNAL(textChanged(QString)),
 989                 this, SIGNAL(changed()));
 990         connect(screenLargerED, SIGNAL(textChanged(QString)),
 991                 this, SIGNAL(changed()));
 992         connect(screenLargestED, SIGNAL(textChanged(QString)),
 993                 this, SIGNAL(changed()));
 994         connect(screenHugeED, SIGNAL(textChanged(QString)),
 995                 this, SIGNAL(changed()));
 996         connect(screenHugerED, SIGNAL(textChanged(QString)),
 997                 this, SIGNAL(changed()));
 998         connect(pixmapCacheCB, SIGNAL(toggled(bool)),
 999                 this, SIGNAL(changed()));
1000
1001         screenTinyED->setValidator(new QDoubleValidator(screenTinyED));
1002         screenSmallestED->setValidator(new QDoubleValidator(screenSmallestED));
1003         screenSmallerED->setValidator(new QDoubleValidator(screenSmallerED));
1004         screenSmallED->setValidator(new QDoubleValidator(screenSmallED));
1005         screenNormalED->setValidator(new QDoubleValidator(screenNormalED));
1006         screenLargeED->setValidator(new QDoubleValidator(screenLargeED));
1007         screenLargerED->setValidator(new QDoubleValidator(screenLargerED));
1008         screenLargestED->setValidator(new QDoubleValidator(screenLargestED));
1009         screenHugeED->setValidator(new QDoubleValidator(screenHugeED));
1010         screenHugerED->setValidator(new QDoubleValidator(screenHugerED));
1011 }
1012
1013
1014 void PrefScreenFonts::applyRC(LyXRC & rc) const
1015 {
1016         LyXRC const oldrc = rc;
1017
1018         parseFontName(screenRomanCO->currentText(),
1019                 rc.roman_font_name, rc.roman_font_foundry);
1020         parseFontName(screenSansCO->currentText(),
1021                 rc.sans_font_name, rc.sans_font_foundry);
1022         parseFontName(screenTypewriterCO->currentText(),
1023                 rc.typewriter_font_name, rc.typewriter_font_foundry);
1024
1025         rc.zoom = screenZoomSB->value();
1026         rc.font_sizes[FONT_SIZE_TINY] = widgetToDoubleStr(screenTinyED);
1027         rc.font_sizes[FONT_SIZE_SCRIPT] = widgetToDoubleStr(screenSmallestED);
1028         rc.font_sizes[FONT_SIZE_FOOTNOTE] = widgetToDoubleStr(screenSmallerED);
1029         rc.font_sizes[FONT_SIZE_SMALL] = widgetToDoubleStr(screenSmallED);
1030         rc.font_sizes[FONT_SIZE_NORMAL] = widgetToDoubleStr(screenNormalED);
1031         rc.font_sizes[FONT_SIZE_LARGE] = widgetToDoubleStr(screenLargeED);
1032         rc.font_sizes[FONT_SIZE_LARGER] = widgetToDoubleStr(screenLargerED);
1033         rc.font_sizes[FONT_SIZE_LARGEST] = widgetToDoubleStr(screenLargestED);
1034         rc.font_sizes[FONT_SIZE_HUGE] = widgetToDoubleStr(screenHugeED);
1035         rc.font_sizes[FONT_SIZE_HUGER] = widgetToDoubleStr(screenHugerED);
1036         rc.use_pixmap_cache = pixmapCacheCB->isChecked();
1037
1038         if (rc.font_sizes != oldrc.font_sizes
1039                 || rc.roman_font_name != oldrc.roman_font_name
1040                 || rc.sans_font_name != oldrc.sans_font_name
1041                 || rc.typewriter_font_name != oldrc.typewriter_font_name
1042                 || rc.zoom != oldrc.zoom) {
1043                 // The global QPixmapCache is used in GuiPainter to cache text
1044                 // painting so we must reset it in case any of the above
1045                 // parameter is changed.
1046                 QPixmapCache::clear();
1047                 guiApp->fontLoader().update();
1048                 form_->updateScreenFonts();
1049         }
1050 }
1051
1052
1053 void PrefScreenFonts::updateRC(LyXRC const & rc)
1054 {
1055         setComboxFont(screenRomanCO, rc.roman_font_name,
1056                         rc.roman_font_foundry);
1057         setComboxFont(screenSansCO, rc.sans_font_name,
1058                         rc.sans_font_foundry);
1059         setComboxFont(screenTypewriterCO, rc.typewriter_font_name,
1060                         rc.typewriter_font_foundry);
1061
1062         selectRoman(screenRomanCO->currentText());
1063         selectSans(screenSansCO->currentText());
1064         selectTypewriter(screenTypewriterCO->currentText());
1065
1066         screenZoomSB->setValue(rc.zoom);
1067         updateScreenFontSizes(rc);
1068
1069         pixmapCacheCB->setChecked(rc.use_pixmap_cache);
1070 #if defined(Q_WS_X11) || defined(QPA_XCB)
1071         pixmapCacheCB->setEnabled(false);
1072 #endif
1073
1074 }
1075
1076
1077 void PrefScreenFonts::updateScreenFontSizes(LyXRC const & rc)
1078 {
1079         doubleToWidget(screenTinyED, rc.font_sizes[FONT_SIZE_TINY]);
1080         doubleToWidget(screenSmallestED, rc.font_sizes[FONT_SIZE_SCRIPT]);
1081         doubleToWidget(screenSmallerED, rc.font_sizes[FONT_SIZE_FOOTNOTE]);
1082         doubleToWidget(screenSmallED, rc.font_sizes[FONT_SIZE_SMALL]);
1083         doubleToWidget(screenNormalED, rc.font_sizes[FONT_SIZE_NORMAL]);
1084         doubleToWidget(screenLargeED, rc.font_sizes[FONT_SIZE_LARGE]);
1085         doubleToWidget(screenLargerED, rc.font_sizes[FONT_SIZE_LARGER]);
1086         doubleToWidget(screenLargestED, rc.font_sizes[FONT_SIZE_LARGEST]);
1087         doubleToWidget(screenHugeED, rc.font_sizes[FONT_SIZE_HUGE]);
1088         doubleToWidget(screenHugerED, rc.font_sizes[FONT_SIZE_HUGER]);
1089 }
1090
1091
1092 void PrefScreenFonts::selectRoman(const QString & name)
1093 {
1094         screenRomanFE->set(QFont(name), name);
1095 }
1096
1097
1098 void PrefScreenFonts::selectSans(const QString & name)
1099 {
1100         screenSansFE->set(QFont(name), name);
1101 }
1102
1103
1104 void PrefScreenFonts::selectTypewriter(const QString & name)
1105 {
1106         screenTypewriterFE->set(QFont(name), name);
1107 }
1108
1109
1110 /////////////////////////////////////////////////////////////////////
1111 //
1112 // PrefColors
1113 //
1114 /////////////////////////////////////////////////////////////////////
1115
1116
1117 PrefColors::PrefColors(GuiPreferences * form)
1118         : PrefModule(catLookAndFeel, N_("Colors"), form)
1119 {
1120         setupUi(this);
1121
1122         // FIXME: all of this initialization should be put into the controller.
1123         // See http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg113301.html
1124         // for some discussion of why that is not trivial.
1125         QPixmap icon(32, 32);
1126         for (int i = 0; i < Color_ignore; ++i) {
1127                 ColorCode lc = static_cast<ColorCode>(i);
1128                 if (lc == Color_none
1129                     || lc == Color_black
1130                     || lc == Color_white
1131                     || lc == Color_blue
1132                     || lc == Color_brown
1133                     || lc == Color_cyan
1134                     || lc == Color_darkgray
1135                     || lc == Color_gray
1136                     || lc == Color_green
1137                     || lc == Color_lightgray
1138                     || lc == Color_lime
1139                     || lc == Color_magenta
1140                     || lc == Color_olive
1141                     || lc == Color_orange
1142                     || lc == Color_pink
1143                     || lc == Color_purple
1144                     || lc == Color_red
1145                     || lc == Color_teal
1146                     || lc == Color_violet
1147                     || lc == Color_yellow
1148                     || lc == Color_inherit
1149                     || lc == Color_ignore)
1150                         continue;
1151                 lcolors_.push_back(lc);
1152         }
1153         qSort(lcolors_.begin(), lcolors_.end(), ColorSorter);
1154         vector<ColorCode>::const_iterator cit = lcolors_.begin();
1155         vector<ColorCode>::const_iterator const end = lcolors_.end();
1156         for (; cit != end; ++cit) {
1157                 (void) new QListWidgetItem(QIcon(icon),
1158                         toqstr(lcolor.getGUIName(*cit)), lyxObjectsLW);
1159         }
1160         curcolors_.resize(lcolors_.size());
1161         newcolors_.resize(lcolors_.size());
1162         // End initialization
1163
1164         connect(colorChangePB, SIGNAL(clicked()),
1165                 this, SLOT(changeColor()));
1166         connect(lyxObjectsLW, SIGNAL(itemSelectionChanged()),
1167                 this, SLOT(changeLyxObjectsSelection()));
1168         connect(lyxObjectsLW, SIGNAL(itemActivated(QListWidgetItem*)),
1169                 this, SLOT(changeColor()));
1170         connect(syscolorsCB, SIGNAL(toggled(bool)),
1171                 this, SIGNAL(changed()));
1172         connect(syscolorsCB, SIGNAL(toggled(bool)),
1173                 this, SLOT(changeSysColor()));
1174 }
1175
1176
1177 void PrefColors::applyRC(LyXRC & rc) const
1178 {
1179         LyXRC oldrc = rc;
1180
1181         for (unsigned int i = 0; i < lcolors_.size(); ++i)
1182                 if (curcolors_[i] != newcolors_[i])
1183                         form_->setColor(lcolors_[i], newcolors_[i]);
1184         rc.use_system_colors = syscolorsCB->isChecked();
1185
1186         if (oldrc.use_system_colors != rc.use_system_colors)
1187                 guiApp->colorCache().clear();
1188 }
1189
1190
1191 void PrefColors::updateRC(LyXRC const & rc)
1192 {
1193         for (unsigned int i = 0; i < lcolors_.size(); ++i) {
1194                 QColor color = QColor(guiApp->colorCache().get(lcolors_[i], false));
1195                 QPixmap coloritem(32, 32);
1196                 coloritem.fill(color);
1197                 lyxObjectsLW->item(i)->setIcon(QIcon(coloritem));
1198                 newcolors_[i] = curcolors_[i] = color.name();
1199         }
1200         syscolorsCB->setChecked(rc.use_system_colors);
1201         changeLyxObjectsSelection();
1202 }
1203
1204
1205 void PrefColors::changeColor()
1206 {
1207         int const row = lyxObjectsLW->currentRow();
1208
1209         // just to be sure
1210         if (row < 0)
1211                 return;
1212
1213         QString const color = newcolors_[row];
1214         QColor c = QColorDialog::getColor(QColor(color), qApp->focusWidget());
1215
1216         if (c.isValid() && c.name() != color) {
1217                 newcolors_[row] = c.name();
1218                 QPixmap coloritem(32, 32);
1219                 coloritem.fill(c);
1220                 lyxObjectsLW->currentItem()->setIcon(QIcon(coloritem));
1221                 // emit signal
1222                 changed();
1223         }
1224 }
1225
1226 void PrefColors::changeSysColor()
1227 {
1228         for (int row = 0 ; row < lyxObjectsLW->count() ; ++row) {
1229                 // skip colors that are taken from system palette
1230                 bool const hide = syscolorsCB->isChecked()
1231                         && guiApp->colorCache().isSystem(lcolors_[row]);
1232
1233                 lyxObjectsLW->item(row)->setHidden(hide);
1234         }
1235
1236 }
1237
1238 void PrefColors::changeLyxObjectsSelection()
1239 {
1240         colorChangePB->setDisabled(lyxObjectsLW->currentRow() < 0);
1241 }
1242
1243
1244 /////////////////////////////////////////////////////////////////////
1245 //
1246 // PrefDisplay
1247 //
1248 /////////////////////////////////////////////////////////////////////
1249
1250 PrefDisplay::PrefDisplay(GuiPreferences * form)
1251         : PrefModule(catLookAndFeel, N_("Display"), form)
1252 {
1253         setupUi(this);
1254         connect(displayGraphicsCB, SIGNAL(toggled(bool)), this, SIGNAL(changed()));
1255         connect(instantPreviewCO, SIGNAL(activated(int)), this, SIGNAL(changed()));
1256         connect(previewSizeSB, SIGNAL(valueChanged(double)), this, SIGNAL(changed()));
1257         connect(paragraphMarkerCB, SIGNAL(toggled(bool)), this, SIGNAL(changed()));
1258 }
1259
1260
1261 void PrefDisplay::on_instantPreviewCO_currentIndexChanged(int index)
1262 {
1263         previewSizeSB->setEnabled(index != 0);
1264 }
1265
1266
1267 void PrefDisplay::applyRC(LyXRC & rc) const
1268 {
1269         switch (instantPreviewCO->currentIndex()) {
1270                 case 0:
1271                         rc.preview = LyXRC::PREVIEW_OFF;
1272                         break;
1273                 case 1:
1274                         if (rc.preview != LyXRC::PREVIEW_NO_MATH) {
1275                                 rc.preview = LyXRC::PREVIEW_NO_MATH;
1276                                 form_->updatePreviews();
1277                         }
1278                         break;
1279                 case 2:
1280                         if (rc.preview != LyXRC::PREVIEW_ON) {
1281                                 rc.preview = LyXRC::PREVIEW_ON;
1282                                 form_->updatePreviews();
1283                         }
1284                         break;
1285         }
1286
1287         rc.display_graphics = displayGraphicsCB->isChecked();
1288         rc.preview_scale_factor = previewSizeSB->value();
1289         rc.paragraph_markers = paragraphMarkerCB->isChecked();
1290
1291         // FIXME!! The graphics cache no longer has a changeDisplay method.
1292 #if 0
1293         if (old_value != rc.display_graphics) {
1294                 graphics::GCache & gc = graphics::GCache::get();
1295                 gc.changeDisplay();
1296         }
1297 #endif
1298 }
1299
1300
1301 void PrefDisplay::updateRC(LyXRC const & rc)
1302 {
1303         switch (rc.preview) {
1304         case LyXRC::PREVIEW_OFF:
1305                 instantPreviewCO->setCurrentIndex(0);
1306                 break;
1307         case LyXRC::PREVIEW_NO_MATH :
1308                 instantPreviewCO->setCurrentIndex(1);
1309                 break;
1310         case LyXRC::PREVIEW_ON :
1311                 instantPreviewCO->setCurrentIndex(2);
1312                 break;
1313         }
1314
1315         displayGraphicsCB->setChecked(rc.display_graphics);
1316         previewSizeSB->setValue(rc.preview_scale_factor);
1317         paragraphMarkerCB->setChecked(rc.paragraph_markers);
1318         previewSizeSB->setEnabled(
1319                 rc.display_graphics
1320                 && rc.preview != LyXRC::PREVIEW_OFF);
1321 }
1322
1323
1324 /////////////////////////////////////////////////////////////////////
1325 //
1326 // PrefPaths
1327 //
1328 /////////////////////////////////////////////////////////////////////
1329
1330 PrefPaths::PrefPaths(GuiPreferences * form)
1331         : PrefModule(QString(), N_("Paths"), form)
1332 {
1333         setupUi(this);
1334
1335         connect(workingDirPB, SIGNAL(clicked()), this, SLOT(selectWorkingdir()));
1336         connect(workingDirED, SIGNAL(textChanged(QString)),
1337                 this, SIGNAL(changed()));
1338
1339         connect(templateDirPB, SIGNAL(clicked()), this, SLOT(selectTemplatedir()));
1340         connect(templateDirED, SIGNAL(textChanged(QString)),
1341                 this, SIGNAL(changed()));
1342
1343         connect(exampleDirPB, SIGNAL(clicked()), this, SLOT(selectExampledir()));
1344         connect(exampleDirED, SIGNAL(textChanged(QString)),
1345                 this, SIGNAL(changed()));
1346
1347         connect(backupDirPB, SIGNAL(clicked()), this, SLOT(selectBackupdir()));
1348         connect(backupDirED, SIGNAL(textChanged(QString)),
1349                 this, SIGNAL(changed()));
1350
1351         connect(lyxserverDirPB, SIGNAL(clicked()), this, SLOT(selectLyxPipe()));
1352         connect(lyxserverDirED, SIGNAL(textChanged(QString)),
1353                 this, SIGNAL(changed()));
1354
1355         connect(thesaurusDirPB, SIGNAL(clicked()), this, SLOT(selectThesaurusdir()));
1356         connect(thesaurusDirED, SIGNAL(textChanged(QString)),
1357                 this, SIGNAL(changed()));
1358
1359         connect(tempDirPB, SIGNAL(clicked()), this, SLOT(selectTempdir()));
1360         connect(tempDirED, SIGNAL(textChanged(QString)),
1361                 this, SIGNAL(changed()));
1362
1363 #if defined(USE_HUNSPELL)
1364         connect(hunspellDirPB, SIGNAL(clicked()), this, SLOT(selectHunspelldir()));
1365         connect(hunspellDirED, SIGNAL(textChanged(QString)),
1366                 this, SIGNAL(changed()));
1367 #else
1368         hunspellDirPB->setEnabled(false);
1369         hunspellDirED->setEnabled(false);
1370 #endif
1371
1372         connect(pathPrefixED, SIGNAL(textChanged(QString)),
1373                 this, SIGNAL(changed()));
1374
1375         connect(texinputsPrefixED, SIGNAL(textChanged(QString)),
1376                 this, SIGNAL(changed()));
1377
1378         pathPrefixED->setValidator(new NoNewLineValidator(pathPrefixED));
1379         texinputsPrefixED->setValidator(new NoNewLineValidator(texinputsPrefixED));
1380 }
1381
1382
1383 void PrefPaths::applyRC(LyXRC & rc) const
1384 {
1385         rc.document_path = internal_path(fromqstr(workingDirED->text()));
1386         rc.example_path = internal_path(fromqstr(exampleDirED->text()));
1387         rc.template_path = internal_path(fromqstr(templateDirED->text()));
1388         rc.backupdir_path = internal_path(fromqstr(backupDirED->text()));
1389         rc.tempdir_path = internal_path(fromqstr(tempDirED->text()));
1390         rc.thesaurusdir_path = internal_path(fromqstr(thesaurusDirED->text()));
1391         rc.hunspelldir_path = internal_path(fromqstr(hunspellDirED->text()));
1392         rc.path_prefix = internal_path_list(fromqstr(pathPrefixED->text()));
1393         rc.texinputs_prefix = internal_path_list(fromqstr(texinputsPrefixED->text()));
1394         // FIXME: should be a checkbox only
1395         rc.lyxpipes = internal_path(fromqstr(lyxserverDirED->text()));
1396 }
1397
1398
1399 void PrefPaths::updateRC(LyXRC const & rc)
1400 {
1401         workingDirED->setText(toqstr(external_path(rc.document_path)));
1402         exampleDirED->setText(toqstr(external_path(rc.example_path)));
1403         templateDirED->setText(toqstr(external_path(rc.template_path)));
1404         backupDirED->setText(toqstr(external_path(rc.backupdir_path)));
1405         tempDirED->setText(toqstr(external_path(rc.tempdir_path)));
1406         thesaurusDirED->setText(toqstr(external_path(rc.thesaurusdir_path)));
1407         hunspellDirED->setText(toqstr(external_path(rc.hunspelldir_path)));
1408         pathPrefixED->setText(toqstr(external_path_list(rc.path_prefix)));
1409         texinputsPrefixED->setText(toqstr(external_path_list(rc.texinputs_prefix)));
1410         // FIXME: should be a checkbox only
1411         lyxserverDirED->setText(toqstr(external_path(rc.lyxpipes)));
1412 }
1413
1414
1415 void PrefPaths::selectExampledir()
1416 {
1417         QString file = browseDir(internalPath(exampleDirED->text()),
1418                 qt_("Select directory for example files"));
1419         if (!file.isEmpty())
1420                 exampleDirED->setText(file);
1421 }
1422
1423
1424 void PrefPaths::selectTemplatedir()
1425 {
1426         QString file = browseDir(internalPath(templateDirED->text()),
1427                 qt_("Select a document templates directory"));
1428         if (!file.isEmpty())
1429                 templateDirED->setText(file);
1430 }
1431
1432
1433 void PrefPaths::selectTempdir()
1434 {
1435         QString file = browseDir(internalPath(tempDirED->text()),
1436                 qt_("Select a temporary directory"));
1437         if (!file.isEmpty())
1438                 tempDirED->setText(file);
1439 }
1440
1441
1442 void PrefPaths::selectBackupdir()
1443 {
1444         QString file = browseDir(internalPath(backupDirED->text()),
1445                 qt_("Select a backups directory"));
1446         if (!file.isEmpty())
1447                 backupDirED->setText(file);
1448 }
1449
1450
1451 void PrefPaths::selectWorkingdir()
1452 {
1453         QString file = browseDir(internalPath(workingDirED->text()),
1454                 qt_("Select a document directory"));
1455         if (!file.isEmpty())
1456                 workingDirED->setText(file);
1457 }
1458
1459
1460 void PrefPaths::selectThesaurusdir()
1461 {
1462         QString file = browseDir(internalPath(thesaurusDirED->text()),
1463                 qt_("Set the path to the thesaurus dictionaries"));
1464         if (!file.isEmpty())
1465                 thesaurusDirED->setText(file);
1466 }
1467
1468
1469 void PrefPaths::selectHunspelldir()
1470 {
1471         QString file = browseDir(internalPath(hunspellDirED->text()),
1472                 qt_("Set the path to the Hunspell dictionaries"));
1473         if (!file.isEmpty())
1474                 hunspellDirED->setText(file);
1475 }
1476
1477
1478 void PrefPaths::selectLyxPipe()
1479 {
1480         QString file = form_->browse(internalPath(lyxserverDirED->text()),
1481                 qt_("Give a filename for the LyX server pipe"));
1482         if (!file.isEmpty())
1483                 lyxserverDirED->setText(file);
1484 }
1485
1486
1487 /////////////////////////////////////////////////////////////////////
1488 //
1489 // PrefSpellchecker
1490 //
1491 /////////////////////////////////////////////////////////////////////
1492
1493 PrefSpellchecker::PrefSpellchecker(GuiPreferences * form)
1494         : PrefModule(catLanguage, N_("Spellchecker"), form)
1495 {
1496         setupUi(this);
1497
1498 // FIXME: this check should test the target platform (darwin)
1499 #if defined(USE_MACOSX_PACKAGING)
1500         spellcheckerCB->addItem(qt_("Native"), QString("native"));
1501 #define CONNECT_APPLESPELL
1502 #else
1503 #undef CONNECT_APPLESPELL
1504 #endif
1505 #if defined(USE_ASPELL)
1506         spellcheckerCB->addItem(qt_("Aspell"), QString("aspell"));
1507 #endif
1508 #if defined(USE_ENCHANT)
1509         spellcheckerCB->addItem(qt_("Enchant"), QString("enchant"));
1510 #endif
1511 #if defined(USE_HUNSPELL)
1512         spellcheckerCB->addItem(qt_("Hunspell"), QString("hunspell"));
1513 #endif
1514
1515         #if defined(CONNECT_APPLESPELL) || defined(USE_ASPELL) || defined(USE_ENCHANT) || defined(USE_HUNSPELL)
1516                 connect(spellcheckerCB, SIGNAL(currentIndexChanged(int)),
1517                         this, SIGNAL(changed()));
1518                 connect(altLanguageED, SIGNAL(textChanged(QString)),
1519                         this, SIGNAL(changed()));
1520                 connect(escapeCharactersED, SIGNAL(textChanged(QString)),
1521                         this, SIGNAL(changed()));
1522                 connect(compoundWordCB, SIGNAL(clicked()),
1523                         this, SIGNAL(changed()));
1524                 connect(spellcheckContinuouslyCB, SIGNAL(clicked()),
1525                         this, SIGNAL(changed()));
1526                 connect(spellcheckNotesCB, SIGNAL(clicked()),
1527                         this, SIGNAL(changed()));
1528
1529                 altLanguageED->setValidator(new NoNewLineValidator(altLanguageED));
1530                 escapeCharactersED->setValidator(new NoNewLineValidator(escapeCharactersED));
1531         #else
1532                 spellcheckerCB->setEnabled(false);
1533                 altLanguageED->setEnabled(false);
1534                 escapeCharactersED->setEnabled(false);
1535                 compoundWordCB->setEnabled(false);
1536                 spellcheckContinuouslyCB->setEnabled(false);
1537                 spellcheckNotesCB->setEnabled(false);
1538         #endif
1539 }
1540
1541
1542 void PrefSpellchecker::applyRC(LyXRC & rc) const
1543 {
1544         string const speller = fromqstr(spellcheckerCB->
1545                 itemData(spellcheckerCB->currentIndex()).toString());
1546         if (!speller.empty())
1547                 rc.spellchecker = speller;
1548         rc.spellchecker_alt_lang = fromqstr(altLanguageED->text());
1549         rc.spellchecker_esc_chars = fromqstr(escapeCharactersED->text());
1550         rc.spellchecker_accept_compound = compoundWordCB->isChecked();
1551         rc.spellcheck_continuously = spellcheckContinuouslyCB->isChecked();
1552         rc.spellcheck_notes = spellcheckNotesCB->isChecked();
1553 }
1554
1555
1556 void PrefSpellchecker::updateRC(LyXRC const & rc)
1557 {
1558         spellcheckerCB->setCurrentIndex(
1559                 spellcheckerCB->findData(toqstr(rc.spellchecker)));
1560         altLanguageED->setText(toqstr(rc.spellchecker_alt_lang));
1561         escapeCharactersED->setText(toqstr(rc.spellchecker_esc_chars));
1562         compoundWordCB->setChecked(rc.spellchecker_accept_compound);
1563         spellcheckContinuouslyCB->setChecked(rc.spellcheck_continuously);
1564         spellcheckNotesCB->setChecked(rc.spellcheck_notes);
1565 }
1566
1567
1568 void PrefSpellchecker::on_spellcheckerCB_currentIndexChanged(int index)
1569 {
1570         QString spellchecker = spellcheckerCB->itemData(index).toString();
1571
1572         compoundWordCB->setEnabled(spellchecker == QString("aspell"));
1573 }
1574
1575
1576
1577 /////////////////////////////////////////////////////////////////////
1578 //
1579 // PrefConverters
1580 //
1581 /////////////////////////////////////////////////////////////////////
1582
1583
1584 PrefConverters::PrefConverters(GuiPreferences * form)
1585         : PrefModule(catFiles, N_("Converters"), form)
1586 {
1587         setupUi(this);
1588
1589         connect(converterNewPB, SIGNAL(clicked()),
1590                 this, SLOT(updateConverter()));
1591         connect(converterRemovePB, SIGNAL(clicked()),
1592                 this, SLOT(removeConverter()));
1593         connect(converterModifyPB, SIGNAL(clicked()),
1594                 this, SLOT(updateConverter()));
1595         connect(convertersLW, SIGNAL(currentRowChanged(int)),
1596                 this, SLOT(switchConverter()));
1597         connect(converterFromCO, SIGNAL(activated(QString)),
1598                 this, SLOT(changeConverter()));
1599         connect(converterToCO, SIGNAL(activated(QString)),
1600                 this, SLOT(changeConverter()));
1601         connect(converterED, SIGNAL(textEdited(QString)),
1602                 this, SLOT(changeConverter()));
1603         connect(converterFlagED, SIGNAL(textEdited(QString)),
1604                 this, SLOT(changeConverter()));
1605         connect(converterNewPB, SIGNAL(clicked()),
1606                 this, SIGNAL(changed()));
1607         connect(converterRemovePB, SIGNAL(clicked()),
1608                 this, SIGNAL(changed()));
1609         connect(converterModifyPB, SIGNAL(clicked()),
1610                 this, SIGNAL(changed()));
1611         connect(maxAgeLE, SIGNAL(textEdited(QString)),
1612                 this, SIGNAL(changed()));
1613         connect(needauthForbiddenCB, SIGNAL(toggled(bool)),
1614                 this, SIGNAL(changed()));
1615         connect(needauthCB, SIGNAL(toggled(bool)),
1616                 this, SIGNAL(changed()));
1617
1618         converterED->setValidator(new NoNewLineValidator(converterED));
1619         converterFlagED->setValidator(new NoNewLineValidator(converterFlagED));
1620         maxAgeLE->setValidator(new QDoubleValidator(maxAgeLE));
1621         //converterDefGB->setFocusProxy(convertersLW);
1622 }
1623
1624
1625 void PrefConverters::applyRC(LyXRC & rc) const
1626 {
1627         rc.use_converter_cache = cacheCB->isChecked();
1628         rc.use_converter_needauth_forbidden = needauthForbiddenCB->isChecked();
1629         rc.use_converter_needauth = needauthCB->isChecked();
1630         rc.converter_cache_maxage = int(widgetToDouble(maxAgeLE) * 86400.0);
1631 }
1632
1633
1634 void PrefConverters::updateRC(LyXRC const & rc)
1635 {
1636         cacheCB->setChecked(rc.use_converter_cache);
1637         needauthForbiddenCB->setChecked(rc.use_converter_needauth_forbidden);
1638         needauthCB->setChecked(rc.use_converter_needauth);
1639         QString max_age;
1640         doubleToWidget(maxAgeLE, (double(rc.converter_cache_maxage) / 86400.0), 'g', 6);
1641         updateGui();
1642 }
1643
1644
1645 void PrefConverters::updateGui()
1646 {
1647         QString const pattern("%1 -> %2");
1648         form_->formats().sort();
1649         form_->converters().update(form_->formats());
1650         // save current selection
1651         QString current =
1652                 pattern
1653                 .arg(converterFromCO->currentText())
1654                 .arg(converterToCO->currentText());
1655
1656         converterFromCO->clear();
1657         converterToCO->clear();
1658
1659         for (Format const & f : form_->formats()) {
1660                 QString const name = toqstr(translateIfPossible(f.prettyname()));
1661                 converterFromCO->addItem(name);
1662                 converterToCO->addItem(name);
1663         }
1664
1665         // currentRowChanged(int) is also triggered when updating the listwidget
1666         // block signals to avoid unnecessary calls to switchConverter()
1667         convertersLW->blockSignals(true);
1668         convertersLW->clear();
1669
1670         for (Converter const & c : form_->converters()) {
1671                 QString const name =
1672                         pattern
1673                         .arg(toqstr(translateIfPossible(c.From()->prettyname())))
1674                         .arg(toqstr(translateIfPossible(c.To()->prettyname())));
1675                 int type = form_->converters().getNumber(c.From()->name(),
1676                                                          c.To()->name());
1677                 new QListWidgetItem(name, convertersLW, type);
1678         }
1679         convertersLW->sortItems(Qt::AscendingOrder);
1680         convertersLW->blockSignals(false);
1681
1682         // restore selection
1683         if (current != pattern.arg(QString()).arg(QString())) {
1684                 QList<QListWidgetItem *> const item =
1685                         convertersLW->findItems(current, Qt::MatchExactly);
1686                 if (!item.isEmpty())
1687                         convertersLW->setCurrentItem(item.at(0));
1688         }
1689
1690         // select first element if restoring failed
1691         if (convertersLW->currentRow() == -1)
1692                 convertersLW->setCurrentRow(0);
1693
1694         updateButtons();
1695 }
1696
1697
1698 void PrefConverters::switchConverter()
1699 {
1700         int const cnr = convertersLW->currentItem()->type();
1701         Converter const & c(form_->converters().get(cnr));
1702         converterFromCO->setCurrentIndex(form_->formats().getNumber(c.from()));
1703         converterToCO->setCurrentIndex(form_->formats().getNumber(c.to()));
1704         converterED->setText(toqstr(c.command()));
1705         converterFlagED->setText(toqstr(c.flags()));
1706
1707         updateButtons();
1708 }
1709
1710
1711 void PrefConverters::changeConverter()
1712 {
1713         updateButtons();
1714 }
1715
1716
1717 void PrefConverters::updateButtons()
1718 {
1719         if (form_->formats().empty())
1720                 return;
1721         Format const & from = form_->formats().get(converterFromCO->currentIndex());
1722         Format const & to = form_->formats().get(converterToCO->currentIndex());
1723         int const sel = form_->converters().getNumber(from.name(), to.name());
1724         bool const known = sel >= 0;
1725         bool const valid = !(converterED->text().isEmpty()
1726                 || from.name() == to.name());
1727
1728         string old_command;
1729         string old_flag;
1730
1731         if (convertersLW->count() > 0) {
1732                 int const cnr = convertersLW->currentItem()->type();
1733                 Converter const & c = form_->converters().get(cnr);
1734                 old_command = c.command();
1735                 old_flag = c.flags();
1736         }
1737
1738         string const new_command = fromqstr(converterED->text());
1739         string const new_flag = fromqstr(converterFlagED->text());
1740
1741         bool modified = (old_command != new_command || old_flag != new_flag);
1742
1743         converterModifyPB->setEnabled(valid && known && modified);
1744         converterNewPB->setEnabled(valid && !known);
1745         converterRemovePB->setEnabled(known);
1746
1747         maxAgeLE->setEnabled(cacheCB->isChecked());
1748         maxAgeLA->setEnabled(cacheCB->isChecked());
1749 }
1750
1751
1752 // FIXME: user must
1753 // specify unique from/to or it doesn't appear. This is really bad UI
1754 // this is why we can use the same function for both new and modify
1755 void PrefConverters::updateConverter()
1756 {
1757         Format const & from = form_->formats().get(converterFromCO->currentIndex());
1758         Format const & to = form_->formats().get(converterToCO->currentIndex());
1759         string const flags = fromqstr(converterFlagED->text());
1760         string const command = fromqstr(converterED->text());
1761
1762         Converter const * old =
1763                 form_->converters().getConverter(from.name(), to.name());
1764         form_->converters().add(from.name(), to.name(), command, flags);
1765
1766         if (!old)
1767                 form_->converters().updateLast(form_->formats());
1768
1769         updateGui();
1770
1771         // Remove all files created by this converter from the cache, since
1772         // the modified converter might create different files.
1773         ConverterCache::get().remove_all(from.name(), to.name());
1774 }
1775
1776
1777 void PrefConverters::removeConverter()
1778 {
1779         Format const & from = form_->formats().get(converterFromCO->currentIndex());
1780         Format const & to = form_->formats().get(converterToCO->currentIndex());
1781         form_->converters().erase(from.name(), to.name());
1782
1783         updateGui();
1784
1785         // Remove all files created by this converter from the cache, since
1786         // a possible new converter might create different files.
1787         ConverterCache::get().remove_all(from.name(), to.name());
1788 }
1789
1790
1791 void PrefConverters::on_cacheCB_stateChanged(int state)
1792 {
1793         maxAgeLE->setEnabled(state == Qt::Checked);
1794         maxAgeLA->setEnabled(state == Qt::Checked);
1795         changed();
1796 }
1797
1798
1799 void PrefConverters::on_needauthForbiddenCB_toggled(bool checked)
1800 {
1801         needauthCB->setEnabled(!checked);
1802 }
1803
1804
1805 /////////////////////////////////////////////////////////////////////
1806 //
1807 // FormatValidator
1808 //
1809 /////////////////////////////////////////////////////////////////////
1810
1811 class FormatValidator : public QValidator
1812 {
1813 public:
1814         FormatValidator(QWidget *, Formats const & f);
1815         void fixup(QString & input) const;
1816         QValidator::State validate(QString & input, int & pos) const;
1817 private:
1818         virtual QString toString(Format const & format) const = 0;
1819         int nr() const;
1820         Formats const & formats_;
1821 };
1822
1823
1824 FormatValidator::FormatValidator(QWidget * parent, Formats const & f)
1825         : QValidator(parent), formats_(f)
1826 {
1827 }
1828
1829
1830 void FormatValidator::fixup(QString & input) const
1831 {
1832         Formats::const_iterator cit = formats_.begin();
1833         Formats::const_iterator end = formats_.end();
1834         for (; cit != end; ++cit) {
1835                 QString const name = toString(*cit);
1836                 if (distance(formats_.begin(), cit) == nr()) {
1837                         input = name;
1838                         return;
1839                 }
1840         }
1841 }
1842
1843
1844 QValidator::State FormatValidator::validate(QString & input, int & /*pos*/) const
1845 {
1846         Formats::const_iterator cit = formats_.begin();
1847         Formats::const_iterator end = formats_.end();
1848         bool unknown = true;
1849         for (; unknown && cit != end; ++cit) {
1850                 QString const name = toString(*cit);
1851                 if (distance(formats_.begin(), cit) != nr())
1852                         unknown = name != input;
1853         }
1854
1855         if (unknown && !input.isEmpty())
1856                 return QValidator::Acceptable;
1857         else
1858                 return QValidator::Intermediate;
1859 }
1860
1861
1862 int FormatValidator::nr() const
1863 {
1864         QComboBox * p = qobject_cast<QComboBox *>(parent());
1865         return p->itemData(p->currentIndex()).toInt();
1866 }
1867
1868
1869 /////////////////////////////////////////////////////////////////////
1870 //
1871 // FormatNameValidator
1872 //
1873 /////////////////////////////////////////////////////////////////////
1874
1875 class FormatNameValidator : public FormatValidator
1876 {
1877 public:
1878         FormatNameValidator(QWidget * parent, Formats const & f)
1879                 : FormatValidator(parent, f)
1880         {}
1881 private:
1882         QString toString(Format const & format) const
1883         {
1884                 return toqstr(format.name());
1885         }
1886 };
1887
1888
1889 /////////////////////////////////////////////////////////////////////
1890 //
1891 // FormatPrettynameValidator
1892 //
1893 /////////////////////////////////////////////////////////////////////
1894
1895 class FormatPrettynameValidator : public FormatValidator
1896 {
1897 public:
1898         FormatPrettynameValidator(QWidget * parent, Formats const & f)
1899                 : FormatValidator(parent, f)
1900         {}
1901 private:
1902         QString toString(Format const & format) const
1903         {
1904                 return toqstr(translateIfPossible(format.prettyname()));
1905         }
1906 };
1907
1908
1909 /////////////////////////////////////////////////////////////////////
1910 //
1911 // PrefFileformats
1912 //
1913 /////////////////////////////////////////////////////////////////////
1914
1915 PrefFileformats::PrefFileformats(GuiPreferences * form)
1916         : PrefModule(catFiles, N_("File Formats"), form)
1917 {
1918         setupUi(this);
1919
1920         formatED->setValidator(new FormatNameValidator(formatsCB, form_->formats()));
1921         formatsCB->setValidator(new FormatPrettynameValidator(formatsCB, form_->formats()));
1922         extensionsED->setValidator(new NoNewLineValidator(extensionsED));
1923         shortcutED->setValidator(new NoNewLineValidator(shortcutED));
1924         editorED->setValidator(new NoNewLineValidator(editorED));
1925         viewerED->setValidator(new NoNewLineValidator(viewerED));
1926         copierED->setValidator(new NoNewLineValidator(copierED));
1927
1928         connect(documentCB, SIGNAL(clicked()),
1929                 this, SLOT(setFlags()));
1930         connect(vectorCB, SIGNAL(clicked()),
1931                 this, SLOT(setFlags()));
1932         connect(exportMenuCB, SIGNAL(clicked()),
1933                 this, SLOT(setFlags()));
1934         connect(formatsCB->lineEdit(), SIGNAL(editingFinished()),
1935                 this, SLOT(updatePrettyname()));
1936         connect(formatsCB->lineEdit(), SIGNAL(textEdited(QString)),
1937                 this, SIGNAL(changed()));
1938         connect(defaultFormatCB, SIGNAL(activated(QString)),
1939                 this, SIGNAL(changed()));
1940         connect(defaultOTFFormatCB, SIGNAL(activated(QString)),
1941                 this, SIGNAL(changed()));
1942         connect(viewerCO, SIGNAL(activated(int)),
1943                 this, SIGNAL(changed()));
1944         connect(editorCO, SIGNAL(activated(int)),
1945                 this, SIGNAL(changed()));
1946 }
1947
1948
1949 namespace {
1950
1951 string const l10n_shortcut(docstring const & prettyname, string const & shortcut)
1952 {
1953         if (shortcut.empty())
1954                 return string();
1955
1956         string l10n_format =
1957                 to_utf8(_(to_utf8(prettyname) + '|' + shortcut));
1958         return split(l10n_format, '|');
1959 }
1960
1961 } // namespace anon
1962
1963
1964 void PrefFileformats::applyRC(LyXRC & rc) const
1965 {
1966         QString const default_format = defaultFormatCB->itemData(
1967                 defaultFormatCB->currentIndex()).toString();
1968         rc.default_view_format = fromqstr(default_format);
1969         QString const default_otf_format = defaultOTFFormatCB->itemData(
1970                 defaultOTFFormatCB->currentIndex()).toString();
1971         rc.default_otf_view_format = fromqstr(default_otf_format);
1972 }
1973
1974
1975 void PrefFileformats::updateRC(LyXRC const & rc)
1976 {
1977         viewer_alternatives = rc.viewer_alternatives;
1978         editor_alternatives = rc.editor_alternatives;
1979         bool const init = defaultFormatCB->currentText().isEmpty();
1980         updateView();
1981         if (init) {
1982                 int pos =
1983                         defaultFormatCB->findData(toqstr(rc.default_view_format));
1984                 defaultFormatCB->setCurrentIndex(pos);
1985                 pos = defaultOTFFormatCB->findData(toqstr(rc.default_otf_view_format));
1986                                 defaultOTFFormatCB->setCurrentIndex(pos);
1987                 defaultOTFFormatCB->setCurrentIndex(pos);
1988         }
1989 }
1990
1991
1992 void PrefFileformats::updateView()
1993 {
1994         QString const current = formatsCB->currentText();
1995         QString const current_def = defaultFormatCB->currentText();
1996         QString const current_def_otf = defaultOTFFormatCB->currentText();
1997
1998         // update comboboxes with formats
1999         formatsCB->blockSignals(true);
2000         defaultFormatCB->blockSignals(true);
2001         defaultOTFFormatCB->blockSignals(true);
2002         formatsCB->clear();
2003         defaultFormatCB->clear();
2004         defaultOTFFormatCB->clear();
2005         form_->formats().sort();
2006         for (Format const & f : form_->formats()) {
2007                 QString const prettyname = toqstr(translateIfPossible(f.prettyname()));
2008                 formatsCB->addItem(prettyname,
2009                                    QVariant(form_->formats().getNumber(f.name())));
2010                 if (f.viewer().empty())
2011                         continue;
2012                 if (form_->converters().isReachable("xhtml", f.name())
2013                     || form_->converters().isReachable("dviluatex", f.name())
2014                     || form_->converters().isReachable("luatex", f.name())
2015                     || form_->converters().isReachable("xetex", f.name())) {
2016                         defaultFormatCB->addItem(prettyname,
2017                                         QVariant(toqstr(f.name())));
2018                         defaultOTFFormatCB->addItem(prettyname,
2019                                         QVariant(toqstr(f.name())));
2020                 } else if (form_->converters().isReachable("latex", f.name())
2021                            || form_->converters().isReachable("pdflatex", f.name()))
2022                         defaultFormatCB->addItem(prettyname,
2023                                         QVariant(toqstr(f.name())));
2024         }
2025
2026         // restore selections
2027         int item = formatsCB->findText(current, Qt::MatchExactly);
2028         formatsCB->setCurrentIndex(item < 0 ? 0 : item);
2029         on_formatsCB_currentIndexChanged(item < 0 ? 0 : item);
2030         item = defaultFormatCB->findText(current_def, Qt::MatchExactly);
2031         defaultFormatCB->setCurrentIndex(item < 0 ? 0 : item);
2032         item = defaultOTFFormatCB->findText(current_def_otf, Qt::MatchExactly);
2033         defaultOTFFormatCB->setCurrentIndex(item < 0 ? 0 : item);
2034         formatsCB->blockSignals(false);
2035         defaultFormatCB->blockSignals(false);
2036         defaultOTFFormatCB->blockSignals(false);
2037 }
2038
2039
2040 void PrefFileformats::on_formatsCB_currentIndexChanged(int i)
2041 {
2042         if (form_->formats().empty())
2043                 return;
2044         int const nr = formatsCB->itemData(i).toInt();
2045         Format const f = form_->formats().get(nr);
2046
2047         formatED->setText(toqstr(f.name()));
2048         copierED->setText(toqstr(form_->movers().command(f.name())));
2049         extensionsED->setText(toqstr(f.extensions()));
2050         mimeED->setText(toqstr(f.mime()));
2051         shortcutED->setText(
2052                 toqstr(l10n_shortcut(f.prettyname(), f.shortcut())));
2053         documentCB->setChecked((f.documentFormat()));
2054         vectorCB->setChecked((f.vectorFormat()));
2055         exportMenuCB->setChecked((f.inExportMenu()));
2056         exportMenuCB->setEnabled((f.documentFormat()));
2057         updateViewers();
2058         updateEditors();
2059 }
2060
2061
2062 void PrefFileformats::setFlags()
2063 {
2064         int flags = Format::none;
2065         if (documentCB->isChecked())
2066                 flags |= Format::document;
2067         if (vectorCB->isChecked())
2068                 flags |= Format::vector;
2069         if (exportMenuCB->isChecked())
2070                 flags |= Format::export_menu;
2071         currentFormat().setFlags(flags);
2072         exportMenuCB->setEnabled(documentCB->isChecked());
2073         changed();
2074 }
2075
2076
2077 void PrefFileformats::on_copierED_textEdited(const QString & s)
2078 {
2079         string const fmt = fromqstr(formatED->text());
2080         form_->movers().set(fmt, fromqstr(s));
2081         changed();
2082 }
2083
2084
2085 void PrefFileformats::on_extensionsED_textEdited(const QString & s)
2086 {
2087         currentFormat().setExtensions(fromqstr(s));
2088         changed();
2089 }
2090
2091
2092 void PrefFileformats::on_viewerED_textEdited(const QString & s)
2093 {
2094         currentFormat().setViewer(fromqstr(s));
2095         changed();
2096 }
2097
2098
2099 void PrefFileformats::on_editorED_textEdited(const QString & s)
2100 {
2101         currentFormat().setEditor(fromqstr(s));
2102         changed();
2103 }
2104
2105
2106 void PrefFileformats::on_mimeED_textEdited(const QString & s)
2107 {
2108         currentFormat().setMime(fromqstr(s));
2109         changed();
2110 }
2111
2112
2113 void PrefFileformats::on_shortcutED_textEdited(const QString & s)
2114 {
2115         string const new_shortcut = fromqstr(s);
2116         if (new_shortcut == l10n_shortcut(currentFormat().prettyname(),
2117                                           currentFormat().shortcut()))
2118                 return;
2119         currentFormat().setShortcut(new_shortcut);
2120         changed();
2121 }
2122
2123
2124 void PrefFileformats::on_formatED_editingFinished()
2125 {
2126         string const newname = fromqstr(formatED->displayText());
2127         string const oldname = currentFormat().name();
2128         if (newname == oldname)
2129                 return;
2130         if (form_->converters().formatIsUsed(oldname)) {
2131                 Alert::error(_("Format in use"),
2132                              _("You cannot change a format's short name "
2133                                "if the format is used by a converter. "
2134                                "Please remove the converter first."));
2135                 updateView();
2136                 return;
2137         }
2138
2139         currentFormat().setName(newname);
2140         changed();
2141 }
2142
2143
2144 void PrefFileformats::on_formatED_textChanged(const QString &)
2145 {
2146         QString t = formatED->text();
2147         int p = 0;
2148         bool valid = formatED->validator()->validate(t, p) == QValidator::Acceptable;
2149         setValid(formatLA, valid);
2150 }
2151
2152
2153 void PrefFileformats::on_formatsCB_editTextChanged(const QString &)
2154 {
2155         QString t = formatsCB->currentText();
2156         int p = 0;
2157         bool valid = formatsCB->validator()->validate(t, p) == QValidator::Acceptable;
2158         setValid(formatsLA, valid);
2159 }
2160
2161
2162 void PrefFileformats::updatePrettyname()
2163 {
2164         QString const newname = formatsCB->currentText();
2165         if (newname == toqstr(translateIfPossible(currentFormat().prettyname())))
2166                 return;
2167
2168         currentFormat().setPrettyname(qstring_to_ucs4(newname));
2169         formatsChanged();
2170         updateView();
2171         changed();
2172 }
2173
2174
2175 namespace {
2176         void updateComboBox(LyXRC::Alternatives const & alts,
2177                             string const & fmt, QComboBox * combo)
2178         {
2179                 LyXRC::Alternatives::const_iterator it =
2180                                 alts.find(fmt);
2181                 if (it != alts.end()) {
2182                         LyXRC::CommandSet const & cmds = it->second;
2183                         LyXRC::CommandSet::const_iterator sit =
2184                                         cmds.begin();
2185                         LyXRC::CommandSet::const_iterator const sen =
2186                                         cmds.end();
2187                         for (; sit != sen; ++sit) {
2188                                 QString const qcmd = toqstr(*sit);
2189                                 combo->addItem(qcmd, qcmd);
2190                         }
2191                 }
2192         }
2193 }
2194
2195
2196 void PrefFileformats::updateViewers()
2197 {
2198         Format const f = currentFormat();
2199         viewerCO->blockSignals(true);
2200         viewerCO->clear();
2201         viewerCO->addItem(qt_("None"), QString());
2202         updateComboBox(viewer_alternatives, f.name(), viewerCO);
2203         viewerCO->addItem(qt_("Custom"), QString("custom viewer"));
2204         viewerCO->blockSignals(false);
2205
2206         int pos = viewerCO->findData(toqstr(f.viewer()));
2207         if (pos != -1) {
2208                 viewerED->clear();
2209                 viewerED->setEnabled(false);
2210                 viewerCO->setCurrentIndex(pos);
2211         } else {
2212                 viewerED->setEnabled(true);
2213                 viewerED->setText(toqstr(f.viewer()));
2214                 viewerCO->setCurrentIndex(viewerCO->findData(toqstr("custom viewer")));
2215         }
2216 }
2217
2218
2219 void PrefFileformats::updateEditors()
2220 {
2221         Format const f = currentFormat();
2222         editorCO->blockSignals(true);
2223         editorCO->clear();
2224         editorCO->addItem(qt_("None"), QString());
2225         updateComboBox(editor_alternatives, f.name(), editorCO);
2226         editorCO->addItem(qt_("Custom"), QString("custom editor"));
2227         editorCO->blockSignals(false);
2228
2229         int pos = editorCO->findData(toqstr(f.editor()));
2230         if (pos != -1) {
2231                 editorED->clear();
2232                 editorED->setEnabled(false);
2233                 editorCO->setCurrentIndex(pos);
2234         } else {
2235                 editorED->setEnabled(true);
2236                 editorED->setText(toqstr(f.editor()));
2237                 editorCO->setCurrentIndex(editorCO->findData(toqstr("custom editor")));
2238         }
2239 }
2240
2241
2242 void PrefFileformats::on_viewerCO_currentIndexChanged(int i)
2243 {
2244         bool const custom = viewerCO->itemData(i).toString() == "custom viewer";
2245         viewerED->setEnabled(custom);
2246         if (!custom)
2247                 currentFormat().setViewer(fromqstr(viewerCO->itemData(i).toString()));
2248 }
2249
2250
2251 void PrefFileformats::on_editorCO_currentIndexChanged(int i)
2252 {
2253         bool const custom = editorCO->itemData(i).toString() == "custom editor";
2254         editorED->setEnabled(custom);
2255         if (!custom)
2256                 currentFormat().setEditor(fromqstr(editorCO->itemData(i).toString()));
2257 }
2258
2259
2260 Format & PrefFileformats::currentFormat()
2261 {
2262         int const i = formatsCB->currentIndex();
2263         int const nr = formatsCB->itemData(i).toInt();
2264         return form_->formats().get(nr);
2265 }
2266
2267
2268 void PrefFileformats::on_formatNewPB_clicked()
2269 {
2270         form_->formats().add("", "", docstring(), "", "", "", "", Format::none);
2271         updateView();
2272         formatsCB->setCurrentIndex(0);
2273         formatsCB->setFocus(Qt::OtherFocusReason);
2274 }
2275
2276
2277 void PrefFileformats::on_formatRemovePB_clicked()
2278 {
2279         int const i = formatsCB->currentIndex();
2280         int const nr = formatsCB->itemData(i).toInt();
2281         string const current_text = form_->formats().get(nr).name();
2282         if (form_->converters().formatIsUsed(current_text)) {
2283                 Alert::error(_("Format in use"),
2284                              _("Cannot remove a Format used by a Converter. "
2285                                             "Remove the converter first."));
2286                 return;
2287         }
2288
2289         form_->formats().erase(current_text);
2290         formatsChanged();
2291         updateView();
2292         on_formatsCB_editTextChanged(formatsCB->currentText());
2293         changed();
2294 }
2295
2296
2297 /////////////////////////////////////////////////////////////////////
2298 //
2299 // PrefLanguage
2300 //
2301 /////////////////////////////////////////////////////////////////////
2302
2303 PrefLanguage::PrefLanguage(GuiPreferences * form)
2304         : PrefModule(catLanguage, N_("Language"), form)
2305 {
2306         setupUi(this);
2307
2308         connect(visualCursorRB, SIGNAL(clicked()),
2309                 this, SIGNAL(changed()));
2310         connect(logicalCursorRB, SIGNAL(clicked()),
2311                 this, SIGNAL(changed()));
2312         connect(markForeignCB, SIGNAL(clicked()),
2313                 this, SIGNAL(changed()));
2314         connect(autoBeginCB, SIGNAL(clicked()),
2315                 this, SIGNAL(changed()));
2316         connect(autoEndCB, SIGNAL(clicked()),
2317                 this, SIGNAL(changed()));
2318         connect(languagePackageCO, SIGNAL(activated(int)),
2319                 this, SIGNAL(changed()));
2320         connect(languagePackageED, SIGNAL(textChanged(QString)),
2321                 this, SIGNAL(changed()));
2322         connect(globalCB, SIGNAL(clicked()),
2323                 this, SIGNAL(changed()));
2324         connect(startCommandED, SIGNAL(textChanged(QString)),
2325                 this, SIGNAL(changed()));
2326         connect(endCommandED, SIGNAL(textChanged(QString)),
2327                 this, SIGNAL(changed()));
2328         connect(uiLanguageCO, SIGNAL(activated(int)),
2329                 this, SIGNAL(changed()));
2330         connect(defaultDecimalPointLE, SIGNAL(textChanged(QString)),
2331                 this, SIGNAL(changed()));
2332         connect(defaultLengthUnitCO, SIGNAL(activated(int)),
2333                 this, SIGNAL(changed()));
2334
2335         languagePackageED->setValidator(new NoNewLineValidator(languagePackageED));
2336         startCommandED->setValidator(new NoNewLineValidator(startCommandED));
2337         endCommandED->setValidator(new NoNewLineValidator(endCommandED));
2338
2339         defaultDecimalPointLE->setInputMask("X; ");
2340         defaultDecimalPointLE->setMaxLength(1);
2341
2342         defaultLengthUnitCO->addItem(lyx::qt_(unit_name_gui[Length::CM]), Length::CM);
2343         defaultLengthUnitCO->addItem(lyx::qt_(unit_name_gui[Length::IN]), Length::IN);
2344
2345         QAbstractItemModel * language_model = guiApp->languageModel();
2346         language_model->sort(0);
2347         uiLanguageCO->blockSignals(true);
2348         uiLanguageCO->clear();
2349         uiLanguageCO->addItem(qt_("Default"), toqstr("auto"));
2350         for (int i = 0; i != language_model->rowCount(); ++i) {
2351                 QModelIndex index = language_model->index(i, 0);
2352                 // Filter the list based on the available translation and add
2353                 // each language code only once
2354                 string const name = fromqstr(index.data(Qt::UserRole).toString());
2355                 Language const * lang = languages.getLanguage(name);
2356                 if (!lang)
2357                         continue;
2358                 // never remove the currently selected language
2359                 if (name != form->rc().gui_language
2360                     && name != lyxrc.gui_language
2361                     && (!Messages::available(lang->code())
2362                         || !lang->hasGuiSupport()))
2363                         continue;
2364                 uiLanguageCO->addItem(index.data(Qt::DisplayRole).toString(),
2365                                       index.data(Qt::UserRole).toString());
2366         }
2367         uiLanguageCO->blockSignals(false);
2368 }
2369
2370
2371 void PrefLanguage::on_uiLanguageCO_currentIndexChanged(int)
2372 {
2373          QMessageBox::information(this, qt_("LyX needs to be restarted!"),
2374                  qt_("The change of user interface language will be fully "
2375                  "effective only after a restart."));
2376 }
2377
2378
2379 void PrefLanguage::on_languagePackageCO_currentIndexChanged(int i)
2380 {
2381          languagePackageED->setEnabled(i == 2);
2382 }
2383
2384
2385 void PrefLanguage::applyRC(LyXRC & rc) const
2386 {
2387         rc.visual_cursor = visualCursorRB->isChecked();
2388         rc.mark_foreign_language = markForeignCB->isChecked();
2389         rc.language_auto_begin = autoBeginCB->isChecked();
2390         rc.language_auto_end = autoEndCB->isChecked();
2391         int const p = languagePackageCO->currentIndex();
2392         if (p == 0)
2393                 rc.language_package_selection = LyXRC::LP_AUTO;
2394         else if (p == 1)
2395                 rc.language_package_selection = LyXRC::LP_BABEL;
2396         else if (p == 2)
2397                 rc.language_package_selection = LyXRC::LP_CUSTOM;
2398         else if (p == 3)
2399                 rc.language_package_selection = LyXRC::LP_NONE;
2400         rc.language_custom_package = fromqstr(languagePackageED->text());
2401         rc.language_global_options = globalCB->isChecked();
2402         rc.language_command_begin = fromqstr(startCommandED->text());
2403         rc.language_command_end = fromqstr(endCommandED->text());
2404         rc.gui_language = fromqstr(
2405                 uiLanguageCO->itemData(uiLanguageCO->currentIndex()).toString());
2406         rc.default_decimal_point = fromqstr(defaultDecimalPointLE->text());
2407         rc.default_length_unit = (Length::UNIT) defaultLengthUnitCO->itemData(defaultLengthUnitCO->currentIndex()).toInt();
2408 }
2409
2410
2411 void PrefLanguage::updateRC(LyXRC const & rc)
2412 {
2413         if (rc.visual_cursor)
2414                 visualCursorRB->setChecked(true);
2415         else
2416                 logicalCursorRB->setChecked(true);
2417         markForeignCB->setChecked(rc.mark_foreign_language);
2418         autoBeginCB->setChecked(rc.language_auto_begin);
2419         autoEndCB->setChecked(rc.language_auto_end);
2420         languagePackageCO->setCurrentIndex(rc.language_package_selection);
2421         languagePackageED->setText(toqstr(rc.language_custom_package));
2422         languagePackageED->setEnabled(languagePackageCO->currentIndex() == 2);
2423         globalCB->setChecked(rc.language_global_options);
2424         startCommandED->setText(toqstr(rc.language_command_begin));
2425         endCommandED->setText(toqstr(rc.language_command_end));
2426         defaultDecimalPointLE->setText(toqstr(rc.default_decimal_point));
2427         int pos = defaultLengthUnitCO->findData(int(rc.default_length_unit));
2428         defaultLengthUnitCO->setCurrentIndex(pos);
2429
2430         pos = uiLanguageCO->findData(toqstr(rc.gui_language));
2431         uiLanguageCO->blockSignals(true);
2432         uiLanguageCO->setCurrentIndex(pos);
2433         uiLanguageCO->blockSignals(false);
2434 }
2435
2436
2437 /////////////////////////////////////////////////////////////////////
2438 //
2439 // PrefUserInterface
2440 //
2441 /////////////////////////////////////////////////////////////////////
2442
2443 PrefUserInterface::PrefUserInterface(GuiPreferences * form)
2444         : PrefModule(catLookAndFeel, N_("User Interface"), form)
2445 {
2446         setupUi(this);
2447
2448         connect(uiFilePB, SIGNAL(clicked()),
2449                 this, SLOT(selectUi()));
2450         connect(uiFileED, SIGNAL(textChanged(QString)),
2451                 this, SIGNAL(changed()));
2452         connect(iconSetCO, SIGNAL(activated(int)),
2453                 this, SIGNAL(changed()));
2454         connect(useSystemThemeIconsCB, SIGNAL(clicked()),
2455                 this, SIGNAL(changed()));
2456         connect(lastfilesSB, SIGNAL(valueChanged(int)),
2457                 this, SIGNAL(changed()));
2458         connect(tooltipCB, SIGNAL(toggled(bool)),
2459                 this, SIGNAL(changed()));
2460         lastfilesSB->setMaximum(maxlastfiles);
2461
2462         iconSetCO->addItem(qt_("Default"), QString());
2463         iconSetCO->addItem(qt_("Classic"), "classic");
2464         iconSetCO->addItem(qt_("Oxygen"), "oxygen");
2465
2466 #if (!(defined Q_WS_X11 || defined(QPA_XCB)) || QT_VERSION < 0x040600)
2467         useSystemThemeIconsCB->hide();
2468 #endif
2469 }
2470
2471
2472 void PrefUserInterface::applyRC(LyXRC & rc) const
2473 {
2474         rc.icon_set = fromqstr(iconSetCO->itemData(
2475                 iconSetCO->currentIndex()).toString());
2476
2477         rc.ui_file = internal_path(fromqstr(uiFileED->text()));
2478         rc.use_system_theme_icons = useSystemThemeIconsCB->isChecked();
2479         rc.num_lastfiles = lastfilesSB->value();
2480         rc.use_tooltip = tooltipCB->isChecked();
2481 }
2482
2483
2484 void PrefUserInterface::updateRC(LyXRC const & rc)
2485 {
2486         int iconset = iconSetCO->findData(toqstr(rc.icon_set));
2487         if (iconset < 0)
2488                 iconset = 0;
2489         iconSetCO->setCurrentIndex(iconset);
2490         useSystemThemeIconsCB->setChecked(rc.use_system_theme_icons);
2491         uiFileED->setText(toqstr(external_path(rc.ui_file)));
2492         lastfilesSB->setValue(rc.num_lastfiles);
2493         tooltipCB->setChecked(rc.use_tooltip);
2494 }
2495
2496
2497 void PrefUserInterface::selectUi()
2498 {
2499         QString file = form_->browseUI(internalPath(uiFileED->text()));
2500         if (!file.isEmpty())
2501                 uiFileED->setText(file);
2502 }
2503
2504
2505 /////////////////////////////////////////////////////////////////////
2506 //
2507 // PrefDocumentHandling
2508 //
2509 /////////////////////////////////////////////////////////////////////
2510
2511 PrefDocHandling::PrefDocHandling(GuiPreferences * form)
2512         : PrefModule(catLookAndFeel, N_("Document Handling"), form)
2513 {
2514         setupUi(this);
2515
2516         connect(autoSaveCB, SIGNAL(toggled(bool)),
2517                 autoSaveSB, SLOT(setEnabled(bool)));
2518         connect(autoSaveCB, SIGNAL(toggled(bool)),
2519                 TextLabel1, SLOT(setEnabled(bool)));
2520         connect(openDocumentsInTabsCB, SIGNAL(clicked()),
2521                 this, SIGNAL(changed()));
2522         connect(singleInstanceCB, SIGNAL(clicked()),
2523                 this, SIGNAL(changed()));
2524         connect(singleCloseTabButtonCB, SIGNAL(clicked()),
2525                 this, SIGNAL(changed()));
2526         connect(closeLastViewCO, SIGNAL(activated(int)),
2527                 this, SIGNAL(changed()));
2528         connect(restoreCursorCB, SIGNAL(clicked()),
2529                 this, SIGNAL(changed()));
2530         connect(loadSessionCB, SIGNAL(clicked()),
2531                 this, SIGNAL(changed()));
2532         connect(allowGeometrySessionCB, SIGNAL(clicked()),
2533                 this, SIGNAL(changed()));
2534         connect(autoSaveSB, SIGNAL(valueChanged(int)),
2535                 this, SIGNAL(changed()));
2536         connect(autoSaveCB, SIGNAL(clicked()),
2537                 this, SIGNAL(changed()));
2538         connect(backupCB, SIGNAL(clicked()),
2539                 this, SIGNAL(changed()));
2540         connect(saveCompressedCB, SIGNAL(clicked()),
2541                 this, SIGNAL(changed()));
2542         connect(saveOriginCB, SIGNAL(clicked()),
2543                 this, SIGNAL(changed()));
2544 }
2545
2546
2547 void PrefDocHandling::applyRC(LyXRC & rc) const
2548 {
2549         rc.use_lastfilepos = restoreCursorCB->isChecked();
2550         rc.load_session = loadSessionCB->isChecked();
2551         rc.allow_geometry_session = allowGeometrySessionCB->isChecked();
2552         rc.autosave = autoSaveCB->isChecked() ?  autoSaveSB->value() * 60 : 0;
2553         rc.make_backup = backupCB->isChecked();
2554         rc.save_compressed = saveCompressedCB->isChecked();
2555         rc.save_origin = saveOriginCB->isChecked();
2556         rc.open_buffers_in_tabs = openDocumentsInTabsCB->isChecked();
2557         rc.single_instance = singleInstanceCB->isChecked();
2558         rc.single_close_tab_button = singleCloseTabButtonCB->isChecked();
2559
2560         switch (closeLastViewCO->currentIndex()) {
2561         case 0:
2562                 rc.close_buffer_with_last_view = "yes";
2563                 break;
2564         case 1:
2565                 rc.close_buffer_with_last_view = "no";
2566                 break;
2567         case 2:
2568                 rc.close_buffer_with_last_view = "ask";
2569                 break;
2570         default:
2571                 ;
2572         }
2573 }
2574
2575
2576 void PrefDocHandling::updateRC(LyXRC const & rc)
2577 {
2578         restoreCursorCB->setChecked(rc.use_lastfilepos);
2579         loadSessionCB->setChecked(rc.load_session);
2580         allowGeometrySessionCB->setChecked(rc.allow_geometry_session);
2581         // convert to minutes
2582         bool autosave = rc.autosave > 0;
2583         int mins = rc.autosave / 60;
2584         if (!mins)
2585                 mins = 5;
2586         autoSaveSB->setValue(mins);
2587         autoSaveCB->setChecked(autosave);
2588         autoSaveSB->setEnabled(autosave);
2589         backupCB->setChecked(rc.make_backup);
2590         saveCompressedCB->setChecked(rc.save_compressed);
2591         saveOriginCB->setChecked(rc.save_origin);
2592         openDocumentsInTabsCB->setChecked(rc.open_buffers_in_tabs);
2593         singleInstanceCB->setChecked(rc.single_instance && !rc.lyxpipes.empty());
2594         singleInstanceCB->setEnabled(!rc.lyxpipes.empty());
2595         singleCloseTabButtonCB->setChecked(rc.single_close_tab_button);
2596         if (rc.close_buffer_with_last_view == "yes")
2597                 closeLastViewCO->setCurrentIndex(0);
2598         else if (rc.close_buffer_with_last_view == "no")
2599                 closeLastViewCO->setCurrentIndex(1);
2600         else if (rc.close_buffer_with_last_view == "ask")
2601                 closeLastViewCO->setCurrentIndex(2);
2602 }
2603
2604
2605 void PrefDocHandling::on_clearSessionPB_clicked()
2606 {
2607         guiApp->clearSession();
2608 }
2609
2610
2611
2612 /////////////////////////////////////////////////////////////////////
2613 //
2614 // PrefEdit
2615 //
2616 /////////////////////////////////////////////////////////////////////
2617
2618 PrefEdit::PrefEdit(GuiPreferences * form)
2619         : PrefModule(catEditing, N_("Control"), form)
2620 {
2621         setupUi(this);
2622
2623         connect(cursorFollowsCB, SIGNAL(clicked()),
2624                 this, SIGNAL(changed()));
2625         connect(scrollBelowCB, SIGNAL(clicked()),
2626                 this, SIGNAL(changed()));
2627         connect(macLikeCursorMovementCB, SIGNAL(clicked()),
2628                 this, SIGNAL(changed()));
2629         connect(sortEnvironmentsCB, SIGNAL(clicked()),
2630                 this, SIGNAL(changed()));
2631         connect(groupEnvironmentsCB, SIGNAL(clicked()),
2632                 this, SIGNAL(changed()));
2633         connect(macroEditStyleCO, SIGNAL(activated(int)),
2634                 this, SIGNAL(changed()));
2635         connect(cursorWidthSB, SIGNAL(valueChanged(int)),
2636                 this, SIGNAL(changed()));
2637         connect(fullscreenLimitGB, SIGNAL(clicked()),
2638                 this, SIGNAL(changed()));
2639         connect(fullscreenWidthSB, SIGNAL(valueChanged(int)),
2640                 this, SIGNAL(changed()));
2641         connect(toggleTabbarCB, SIGNAL(toggled(bool)),
2642                 this, SIGNAL(changed()));
2643         connect(toggleMenubarCB, SIGNAL(toggled(bool)),
2644                 this, SIGNAL(changed()));
2645         connect(toggleScrollbarCB, SIGNAL(toggled(bool)),
2646                 this, SIGNAL(changed()));
2647         connect(toggleStatusbarCB, SIGNAL(toggled(bool)),
2648                 this, SIGNAL(changed()));
2649         connect(toggleToolbarsCB, SIGNAL(toggled(bool)),
2650                 this, SIGNAL(changed()));
2651 }
2652
2653
2654 void PrefEdit::applyRC(LyXRC & rc) const
2655 {
2656         rc.cursor_follows_scrollbar = cursorFollowsCB->isChecked();
2657         rc.scroll_below_document = scrollBelowCB->isChecked();
2658         rc.mac_like_cursor_movement = macLikeCursorMovementCB->isChecked();
2659         rc.sort_layouts = sortEnvironmentsCB->isChecked();
2660         rc.group_layouts = groupEnvironmentsCB->isChecked();
2661         switch (macroEditStyleCO->currentIndex()) {
2662                 case 0: rc.macro_edit_style = LyXRC::MACRO_EDIT_INLINE_BOX; break;
2663                 case 1: rc.macro_edit_style = LyXRC::MACRO_EDIT_INLINE; break;
2664                 case 2: rc.macro_edit_style = LyXRC::MACRO_EDIT_LIST;   break;
2665         }
2666         rc.cursor_width = cursorWidthSB->value();
2667         rc.full_screen_toolbars = toggleToolbarsCB->isChecked();
2668         rc.full_screen_scrollbar = toggleScrollbarCB->isChecked();
2669         rc.full_screen_statusbar = toggleStatusbarCB->isChecked();
2670         rc.full_screen_tabbar = toggleTabbarCB->isChecked();
2671         rc.full_screen_menubar = toggleMenubarCB->isChecked();
2672         rc.full_screen_width = fullscreenWidthSB->value();
2673         rc.full_screen_limit = fullscreenLimitGB->isChecked();
2674 }
2675
2676
2677 void PrefEdit::updateRC(LyXRC const & rc)
2678 {
2679         cursorFollowsCB->setChecked(rc.cursor_follows_scrollbar);
2680         scrollBelowCB->setChecked(rc.scroll_below_document);
2681         macLikeCursorMovementCB->setChecked(rc.mac_like_cursor_movement);
2682         sortEnvironmentsCB->setChecked(rc.sort_layouts);
2683         groupEnvironmentsCB->setChecked(rc.group_layouts);
2684         macroEditStyleCO->setCurrentIndex(rc.macro_edit_style);
2685         cursorWidthSB->setValue(rc.cursor_width);
2686         toggleScrollbarCB->setChecked(rc.full_screen_scrollbar);
2687         toggleStatusbarCB->setChecked(rc.full_screen_statusbar);
2688         toggleToolbarsCB->setChecked(rc.full_screen_toolbars);
2689         toggleTabbarCB->setChecked(rc.full_screen_tabbar);
2690         toggleMenubarCB->setChecked(rc.full_screen_menubar);
2691         fullscreenWidthSB->setValue(rc.full_screen_width);
2692         fullscreenLimitGB->setChecked(rc.full_screen_limit);
2693 }
2694
2695
2696 /////////////////////////////////////////////////////////////////////
2697 //
2698 // PrefShortcuts
2699 //
2700 /////////////////////////////////////////////////////////////////////
2701
2702
2703 GuiShortcutDialog::GuiShortcutDialog(QWidget * parent) : QDialog(parent)
2704 {
2705         Ui::shortcutUi::setupUi(this);
2706         QDialog::setModal(true);
2707 }
2708
2709
2710 PrefShortcuts::PrefShortcuts(GuiPreferences * form)
2711         : PrefModule(catEditing, N_("Shortcuts"), form),
2712           editItem_(0), mathItem_(0), bufferItem_(0), layoutItem_(0),
2713           systemItem_(0)
2714 {
2715         setupUi(this);
2716
2717         shortcutsTW->setColumnCount(2);
2718         shortcutsTW->headerItem()->setText(0, qt_("Function"));
2719         shortcutsTW->headerItem()->setText(1, qt_("Shortcut"));
2720         shortcutsTW->setSortingEnabled(true);
2721         // Multi-selection can be annoying.
2722         // shortcutsTW->setSelectionMode(QAbstractItemView::MultiSelection);
2723
2724         connect(bindFilePB, SIGNAL(clicked()),
2725                 this, SLOT(selectBind()));
2726         connect(bindFileED, SIGNAL(textChanged(QString)),
2727                 this, SIGNAL(changed()));
2728
2729         shortcut_ = new GuiShortcutDialog(this);
2730         shortcut_bc_.setPolicy(ButtonPolicy::OkCancelPolicy);
2731         shortcut_bc_.setOK(shortcut_->okPB);
2732         shortcut_bc_.setCancel(shortcut_->cancelPB);
2733
2734         connect(shortcut_->okPB, SIGNAL(clicked()),
2735                 this, SIGNAL(changed()));
2736         connect(shortcut_->cancelPB, SIGNAL(clicked()),
2737                 shortcut_, SLOT(reject()));
2738         connect(shortcut_->clearPB, SIGNAL(clicked()),
2739                 this, SLOT(shortcutClearPressed()));
2740         connect(shortcut_->removePB, SIGNAL(clicked()),
2741                 this, SLOT(shortcutRemovePressed()));
2742         connect(shortcut_->okPB, SIGNAL(clicked()),
2743                 this, SLOT(shortcutOkPressed()));
2744         connect(shortcut_->cancelPB, SIGNAL(clicked()),
2745                 this, SLOT(shortcutCancelPressed()));
2746 }
2747
2748
2749 void PrefShortcuts::applyRC(LyXRC & rc) const
2750 {
2751         rc.bind_file = internal_path(fromqstr(bindFileED->text()));
2752         // write user_bind and user_unbind to .lyx/bind/user.bind
2753         FileName bind_dir(addPath(package().user_support().absFileName(), "bind"));
2754         if (!bind_dir.exists() && !bind_dir.createDirectory(0777)) {
2755                 lyxerr << "LyX could not create the user bind directory '"
2756                        << bind_dir << "'. All user-defined key bindings will be lost." << endl;
2757                 return;
2758         }
2759         if (!bind_dir.isDirWritable()) {
2760                 lyxerr << "LyX could not write to the user bind directory '"
2761                        << bind_dir << "'. All user-defined key bindings will be lost." << endl;
2762                 return;
2763         }
2764         FileName user_bind_file(bind_dir.absFileName() + "/user.bind");
2765         user_unbind_.write(user_bind_file.toFilesystemEncoding(), false, true);
2766         user_bind_.write(user_bind_file.toFilesystemEncoding(), true, false);
2767         // immediately apply the keybindings. Why this is not done before?
2768         // The good thing is that the menus are updated automatically.
2769         theTopLevelKeymap().clear();
2770         theTopLevelKeymap().read("site");
2771         theTopLevelKeymap().read(rc.bind_file, 0, KeyMap::Fallback);
2772         theTopLevelKeymap().read("user", 0, KeyMap::MissingOK);
2773 }
2774
2775
2776 void PrefShortcuts::updateRC(LyXRC const & rc)
2777 {
2778         bindFileED->setText(toqstr(external_path(rc.bind_file)));
2779         //
2780         system_bind_.clear();
2781         user_bind_.clear();
2782         user_unbind_.clear();
2783         system_bind_.read("site");
2784         system_bind_.read(rc.bind_file);
2785         // \unbind in user.bind is added to user_unbind_
2786         user_bind_.read("user", &user_unbind_, KeyMap::MissingOK);
2787         updateShortcutsTW();
2788 }
2789
2790
2791 void PrefShortcuts::updateShortcutsTW()
2792 {
2793         shortcutsTW->clear();
2794
2795         editItem_ = new QTreeWidgetItem(shortcutsTW);
2796         editItem_->setText(0, qt_("Cursor, Mouse and Editing Functions"));
2797         editItem_->setFlags(editItem_->flags() & ~Qt::ItemIsSelectable);
2798
2799         mathItem_ = new QTreeWidgetItem(shortcutsTW);
2800         mathItem_->setText(0, qt_("Mathematical Symbols"));
2801         mathItem_->setFlags(mathItem_->flags() & ~Qt::ItemIsSelectable);
2802
2803         bufferItem_ = new QTreeWidgetItem(shortcutsTW);
2804         bufferItem_->setText(0, qt_("Document and Window"));
2805         bufferItem_->setFlags(bufferItem_->flags() & ~Qt::ItemIsSelectable);
2806
2807         layoutItem_ = new QTreeWidgetItem(shortcutsTW);
2808         layoutItem_->setText(0, qt_("Font, Layouts and Textclasses"));
2809         layoutItem_->setFlags(layoutItem_->flags() & ~Qt::ItemIsSelectable);
2810
2811         systemItem_ = new QTreeWidgetItem(shortcutsTW);
2812         systemItem_->setText(0, qt_("System and Miscellaneous"));
2813         systemItem_->setFlags(systemItem_->flags() & ~Qt::ItemIsSelectable);
2814
2815         // listBindings(unbound=true) lists all bound and unbound lfuns
2816         // Items in this list is tagged by its source.
2817         KeyMap::BindingList bindinglist = system_bind_.listBindings(true,
2818                 KeyMap::System);
2819         KeyMap::BindingList user_bindinglist = user_bind_.listBindings(false,
2820                 KeyMap::UserBind);
2821         KeyMap::BindingList user_unbindinglist = user_unbind_.listBindings(false,
2822                 KeyMap::UserUnbind);
2823         bindinglist.insert(bindinglist.end(), user_bindinglist.begin(),
2824                         user_bindinglist.end());
2825         bindinglist.insert(bindinglist.end(), user_unbindinglist.begin(),
2826                         user_unbindinglist.end());
2827
2828         KeyMap::BindingList::const_iterator it = bindinglist.begin();
2829         KeyMap::BindingList::const_iterator it_end = bindinglist.end();
2830         for (; it != it_end; ++it)
2831                 insertShortcutItem(it->request, it->sequence, it->tag);
2832
2833         shortcutsTW->sortItems(0, Qt::AscendingOrder);
2834         on_shortcutsTW_itemSelectionChanged();
2835         on_searchLE_textEdited();
2836         shortcutsTW->resizeColumnToContents(0);
2837 }
2838
2839
2840 //static
2841 KeyMap::ItemType PrefShortcuts::itemType(QTreeWidgetItem & item)
2842 {
2843         return static_cast<KeyMap::ItemType>(item.data(0, Qt::UserRole).toInt());
2844 }
2845
2846
2847 //static
2848 bool PrefShortcuts::isAlwaysHidden(QTreeWidgetItem & item)
2849 {
2850         // Hide rebound system settings that are empty
2851         return itemType(item) == KeyMap::UserUnbind && item.text(1).isEmpty();
2852 }
2853
2854
2855 void PrefShortcuts::setItemType(QTreeWidgetItem * item, KeyMap::ItemType tag)
2856 {
2857         item->setData(0, Qt::UserRole, QVariant(tag));
2858         QFont font;
2859
2860         switch (tag) {
2861         case KeyMap::System:
2862                 break;
2863         case KeyMap::UserBind:
2864                 font.setBold(true);
2865                 break;
2866         case KeyMap::UserUnbind:
2867                 font.setStrikeOut(true);
2868                 break;
2869         // this item is not displayed now.
2870         case KeyMap::UserExtraUnbind:
2871                 font.setStrikeOut(true);
2872                 break;
2873         }
2874         item->setHidden(isAlwaysHidden(*item));
2875         item->setFont(1, font);
2876 }
2877
2878
2879 QTreeWidgetItem * PrefShortcuts::insertShortcutItem(FuncRequest const & lfun,
2880                 KeySequence const & seq, KeyMap::ItemType tag)
2881 {
2882         FuncCode const action = lfun.action();
2883         string const action_name = lyxaction.getActionName(action);
2884         QString const lfun_name = toqstr(from_utf8(action_name)
2885                         + ' ' + lfun.argument());
2886         QString const shortcut = toqstr(seq.print(KeySequence::ForGui));
2887
2888         QTreeWidgetItem * newItem = 0;
2889         // for unbind items, try to find an existing item in the system bind list
2890         if (tag == KeyMap::UserUnbind) {
2891                 QList<QTreeWidgetItem*> const items = shortcutsTW->findItems(lfun_name,
2892                         Qt::MatchFlags(Qt::MatchExactly | Qt::MatchRecursive), 0);
2893                 for (int i = 0; i < items.size(); ++i) {
2894                         if (items[i]->text(1) == shortcut) {
2895                                 newItem = items[i];
2896                                 break;
2897                         }
2898                 }
2899                 // if not found, this unbind item is KeyMap::UserExtraUnbind
2900                 // Such an item is not displayed to avoid confusion (what is
2901                 // unmatched removed?).
2902                 if (!newItem) {
2903                         return 0;
2904                 }
2905         }
2906         if (!newItem) {
2907                 switch(lyxaction.getActionType(action)) {
2908                 case LyXAction::Hidden:
2909                         return 0;
2910                 case LyXAction::Edit:
2911                         newItem = new QTreeWidgetItem(editItem_);
2912                         break;
2913                 case LyXAction::Math:
2914                         newItem = new QTreeWidgetItem(mathItem_);
2915                         break;
2916                 case LyXAction::Buffer:
2917                         newItem = new QTreeWidgetItem(bufferItem_);
2918                         break;
2919                 case LyXAction::Layout:
2920                         newItem = new QTreeWidgetItem(layoutItem_);
2921                         break;
2922                 case LyXAction::System:
2923                         newItem = new QTreeWidgetItem(systemItem_);
2924                         break;
2925                 default:
2926                         // this should not happen
2927                         newItem = new QTreeWidgetItem(shortcutsTW);
2928                 }
2929         }
2930
2931         newItem->setText(0, lfun_name);
2932         newItem->setText(1, shortcut);
2933         // record BindFile representation to recover KeySequence when needed.
2934         newItem->setData(1, Qt::UserRole, toqstr(seq.print(KeySequence::BindFile)));
2935         setItemType(newItem, tag);
2936         return newItem;
2937 }
2938
2939
2940 void PrefShortcuts::on_shortcutsTW_itemSelectionChanged()
2941 {
2942         QList<QTreeWidgetItem*> items = shortcutsTW->selectedItems();
2943         removePB->setEnabled(!items.isEmpty() && !items[0]->text(1).isEmpty());
2944         modifyPB->setEnabled(!items.isEmpty());
2945         if (items.isEmpty())
2946                 return;
2947
2948         if (itemType(*items[0]) == KeyMap::UserUnbind)
2949                 removePB->setText(qt_("Res&tore"));
2950         else
2951                 removePB->setText(qt_("Remo&ve"));
2952 }
2953
2954
2955 void PrefShortcuts::on_shortcutsTW_itemDoubleClicked()
2956 {
2957         modifyShortcut();
2958 }
2959
2960
2961 void PrefShortcuts::modifyShortcut()
2962 {
2963         QTreeWidgetItem * item = shortcutsTW->currentItem();
2964         if (item->flags() & Qt::ItemIsSelectable) {
2965                 shortcut_->lfunLE->setText(item->text(0));
2966                 save_lfun_ = item->text(0).trimmed();
2967                 shortcut_->shortcutWG->setText(item->text(1));
2968                 KeySequence seq;
2969                 seq.parse(fromqstr(item->data(1, Qt::UserRole).toString()));
2970                 shortcut_->shortcutWG->setKeySequence(seq);
2971                 shortcut_->shortcutWG->setFocus();
2972                 shortcut_->exec();
2973         }
2974 }
2975
2976
2977 void PrefShortcuts::unhideEmpty(QString const & lfun, bool select)
2978 {
2979         // list of items that match lfun
2980         QList<QTreeWidgetItem*> items = shortcutsTW->findItems(lfun,
2981              Qt::MatchFlags(Qt::MatchExactly | Qt::MatchRecursive), 0);
2982         for (int i = 0; i < items.size(); ++i) {
2983                 QTreeWidgetItem * item = items[i];
2984                 if (isAlwaysHidden(*item)) {
2985                         setItemType(item, KeyMap::System);
2986                         if (select)
2987                                 shortcutsTW->setCurrentItem(item);
2988                         return;
2989                 }
2990         }
2991 }
2992
2993
2994 void PrefShortcuts::removeShortcut()
2995 {
2996         // it seems that only one item can be selected, but I am
2997         // removing all selected items anyway.
2998         QList<QTreeWidgetItem*> items = shortcutsTW->selectedItems();
2999         for (int i = 0; i < items.size(); ++i) {
3000                 string shortcut = fromqstr(items[i]->data(1, Qt::UserRole).toString());
3001                 string lfun = fromqstr(items[i]->text(0));
3002                 FuncRequest func = lyxaction.lookupFunc(lfun);
3003
3004                 switch (itemType(*items[i])) {
3005                 case KeyMap::System: {
3006                         // for system bind, we do not touch the item
3007                         // but add an user unbind item
3008                         user_unbind_.bind(shortcut, func);
3009                         setItemType(items[i], KeyMap::UserUnbind);
3010                         removePB->setText(qt_("Res&tore"));
3011                         break;
3012                 }
3013                 case KeyMap::UserBind: {
3014                         // for user_bind, we remove this bind
3015                         QTreeWidgetItem * parent = items[i]->parent();
3016                         int itemIdx = parent->indexOfChild(items[i]);
3017                         parent->takeChild(itemIdx);
3018                         if (itemIdx > 0)
3019                                 shortcutsTW->scrollToItem(parent->child(itemIdx - 1));
3020                         else
3021                                 shortcutsTW->scrollToItem(parent);
3022                         user_bind_.unbind(shortcut, func);
3023                         // If this user binding hid an empty system binding, unhide the
3024                         // latter and select it.
3025                         unhideEmpty(items[i]->text(0), true);
3026                         break;
3027                 }
3028                 case KeyMap::UserUnbind: {
3029                         // for user_unbind, we remove the unbind, and the item
3030                         // become KeyMap::System again.
3031                         KeySequence seq;
3032                         seq.parse(shortcut);
3033                         // Ask the user to replace current binding
3034                         if (!validateNewShortcut(func, seq, QString()))
3035                                 break;
3036                         user_unbind_.unbind(shortcut, func);
3037                         setItemType(items[i], KeyMap::System);
3038                         removePB->setText(qt_("Remo&ve"));
3039                         break;
3040                 }
3041                 case KeyMap::UserExtraUnbind: {
3042                         // for user unbind that is not in system bind file,
3043                         // remove this unbind file
3044                         QTreeWidgetItem * parent = items[i]->parent();
3045                         parent->takeChild(parent->indexOfChild(items[i]));
3046                         user_unbind_.unbind(shortcut, func);
3047                 }
3048                 }
3049         }
3050 }
3051
3052
3053 void PrefShortcuts::deactivateShortcuts(QList<QTreeWidgetItem*> const & items)
3054 {
3055         for (int i = 0; i < items.size(); ++i) {
3056                 string shortcut = fromqstr(items[i]->data(1, Qt::UserRole).toString());
3057                 string lfun = fromqstr(items[i]->text(0));
3058                 FuncRequest func = lyxaction.lookupFunc(lfun);
3059
3060                 switch (itemType(*items[i])) {
3061                 case KeyMap::System:
3062                         // for system bind, we do not touch the item
3063                         // but add an user unbind item
3064                         user_unbind_.bind(shortcut, func);
3065                         setItemType(items[i], KeyMap::UserUnbind);
3066                         break;
3067
3068                 case KeyMap::UserBind: {
3069                         // for user_bind, we remove this bind
3070                         QTreeWidgetItem * parent = items[i]->parent();
3071                         int itemIdx = parent->indexOfChild(items[i]);
3072                         parent->takeChild(itemIdx);
3073                         user_bind_.unbind(shortcut, func);
3074                         unhideEmpty(items[i]->text(0), false);
3075                         break;
3076                 }
3077                 default:
3078                         break;
3079                 }
3080         }
3081 }
3082
3083
3084 void PrefShortcuts::selectBind()
3085 {
3086         QString file = form_->browsebind(internalPath(bindFileED->text()));
3087         if (!file.isEmpty()) {
3088                 bindFileED->setText(file);
3089                 system_bind_ = KeyMap();
3090                 system_bind_.read(fromqstr(file));
3091                 updateShortcutsTW();
3092         }
3093 }
3094
3095
3096 void PrefShortcuts::on_modifyPB_pressed()
3097 {
3098         modifyShortcut();
3099 }
3100
3101
3102 void PrefShortcuts::on_newPB_pressed()
3103 {
3104         shortcut_->lfunLE->clear();
3105         shortcut_->shortcutWG->reset();
3106         save_lfun_ = QString();
3107         shortcut_->exec();
3108 }
3109
3110
3111 void PrefShortcuts::on_removePB_pressed()
3112 {
3113         changed();
3114         removeShortcut();
3115 }
3116
3117
3118 void PrefShortcuts::on_searchLE_textEdited()
3119 {
3120         if (searchLE->text().isEmpty()) {
3121                 // show all hidden items
3122                 QTreeWidgetItemIterator it(shortcutsTW, QTreeWidgetItemIterator::Hidden);
3123                 for (; *it; ++it)
3124                         shortcutsTW->setItemHidden(*it, isAlwaysHidden(**it));
3125                 // close all categories
3126                 for (int i = 0; i < shortcutsTW->topLevelItemCount(); ++i)
3127                         shortcutsTW->collapseItem(shortcutsTW->topLevelItem(i));
3128                 return;
3129         }
3130         // search both columns
3131         QList<QTreeWidgetItem *> matched = shortcutsTW->findItems(searchLE->text(),
3132                 Qt::MatchFlags(Qt::MatchContains | Qt::MatchRecursive), 0);
3133         matched += shortcutsTW->findItems(searchLE->text(),
3134                 Qt::MatchFlags(Qt::MatchContains | Qt::MatchRecursive), 1);
3135
3136         // hide everyone (to avoid searching in matched QList repeatedly
3137         QTreeWidgetItemIterator it(shortcutsTW, QTreeWidgetItemIterator::Selectable);
3138         while (*it)
3139                 shortcutsTW->setItemHidden(*it++, true);
3140         // show matched items
3141         for (int i = 0; i < matched.size(); ++i)
3142                 if (!isAlwaysHidden(*matched[i])) {
3143                         shortcutsTW->setItemHidden(matched[i], false);
3144                         shortcutsTW->setItemExpanded(matched[i]->parent(), true);
3145                 }
3146 }
3147
3148
3149 docstring makeCmdString(FuncRequest const & f)
3150 {
3151         docstring actionStr = from_ascii(lyxaction.getActionName(f.action()));
3152         if (!f.argument().empty())
3153                 actionStr += " " + f.argument();
3154         return actionStr;
3155 }
3156
3157
3158 FuncRequest PrefShortcuts::currentBinding(KeySequence const & k)
3159 {
3160         FuncRequest res = user_bind_.getBinding(k);
3161         if (res.action() != LFUN_UNKNOWN_ACTION)
3162                 return res;
3163         res = system_bind_.getBinding(k);
3164         // Check if it is unbound. Note: user_unbind_ can only unbind one
3165         // FuncRequest per key sequence.
3166         if (user_unbind_.getBinding(k) == res)
3167                 return FuncRequest::unknown;
3168         return res;
3169 }
3170
3171
3172 bool PrefShortcuts::validateNewShortcut(FuncRequest const & func,
3173                                         KeySequence const & k,
3174                                         QString const & lfun_to_modify)
3175 {
3176         if (func.action() == LFUN_UNKNOWN_ACTION) {
3177                 Alert::error(_("Failed to create shortcut"),
3178                         _("Unknown or invalid LyX function"));
3179                 return false;
3180         }
3181
3182         // It is not currently possible to bind Hidden lfuns such as self-insert. In
3183         // the future, to remove this limitation, see GuiPrefs::insertShortcutItem
3184         // and how it is used in GuiPrefs::shortcutOkPressed.
3185         if (lyxaction.getActionType(func.action()) == LyXAction::Hidden) {
3186                 Alert::error(_("Failed to create shortcut"),
3187                         _("This LyX function is hidden and cannot be bound."));
3188                 return false;
3189         }
3190
3191         if (k.length() == 0) {
3192                 Alert::error(_("Failed to create shortcut"),
3193                         _("Invalid or empty key sequence"));
3194                 return false;
3195         }
3196
3197         FuncRequest oldBinding = currentBinding(k);
3198         if (oldBinding == func)
3199                 // nothing to change
3200                 return false;
3201
3202         // make sure this key isn't already bound---and, if so, prompt user
3203         // (exclude the lfun the user already wants to modify)
3204         docstring const action_string = makeCmdString(oldBinding);
3205         if (oldBinding.action() != LFUN_UNKNOWN_ACTION
3206             && lfun_to_modify != toqstr(action_string)) {
3207                 docstring const new_action_string = makeCmdString(func);
3208                 docstring const text = bformat(_("Shortcut `%1$s' is already bound to "
3209                                                  "%2$s.\n"
3210                                                  "Are you sure you want to unbind the "
3211                                                  "current shortcut and bind it to %3$s?"),
3212                                                k.print(KeySequence::ForGui), action_string,
3213                                                new_action_string);
3214                 int ret = Alert::prompt(_("Redefine shortcut?"),
3215                                         text, 0, 1, _("&Redefine"), _("&Cancel"));
3216                 if (ret != 0)
3217                         return false;
3218                 QString const sequence_text = toqstr(k.print(KeySequence::ForGui));
3219                 QList<QTreeWidgetItem*> items = shortcutsTW->findItems(sequence_text,
3220                         Qt::MatchFlags(Qt::MatchExactly | Qt::MatchRecursive), 1);
3221                 deactivateShortcuts(items);
3222         }
3223         return true;
3224 }
3225
3226
3227 void PrefShortcuts::shortcutOkPressed()
3228 {
3229         QString const new_lfun = shortcut_->lfunLE->text();
3230         FuncRequest func = lyxaction.lookupFunc(fromqstr(new_lfun));
3231         KeySequence k = shortcut_->shortcutWG->getKeySequence();
3232
3233         // save_lfun_ contains the text of the lfun to modify, if the user clicked
3234         // "modify", or is empty if they clicked "new" (which I do not really like)
3235         if (!validateNewShortcut(func, k, save_lfun_))
3236                 return;
3237
3238         if (!save_lfun_.isEmpty()) {
3239                 // real modification of the lfun's shortcut,
3240                 // so remove the previous one
3241                 QList<QTreeWidgetItem*> to_modify = shortcutsTW->selectedItems();
3242                 deactivateShortcuts(to_modify);
3243         }
3244
3245         shortcut_->accept();
3246
3247         QTreeWidgetItem * item = insertShortcutItem(func, k, KeyMap::UserBind);
3248         if (item) {
3249                 user_bind_.bind(&k, func);
3250                 shortcutsTW->sortItems(0, Qt::AscendingOrder);
3251                 shortcutsTW->setItemExpanded(item->parent(), true);
3252                 shortcutsTW->setCurrentItem(item);
3253                 shortcutsTW->scrollToItem(item);
3254         } else {
3255                 Alert::error(_("Failed to create shortcut"),
3256                         _("Can not insert shortcut to the list"));
3257                 return;
3258         }
3259 }
3260
3261
3262 void PrefShortcuts::shortcutCancelPressed()
3263 {
3264         shortcut_->shortcutWG->reset();
3265 }
3266
3267
3268 void PrefShortcuts::shortcutClearPressed()
3269 {
3270         shortcut_->shortcutWG->reset();
3271 }
3272
3273
3274 void PrefShortcuts::shortcutRemovePressed()
3275 {
3276         shortcut_->shortcutWG->removeFromSequence();
3277 }
3278
3279
3280 /////////////////////////////////////////////////////////////////////
3281 //
3282 // PrefIdentity
3283 //
3284 /////////////////////////////////////////////////////////////////////
3285
3286 PrefIdentity::PrefIdentity(GuiPreferences * form)
3287         : PrefModule(QString(), N_("Identity"), form)
3288 {
3289         setupUi(this);
3290
3291         connect(nameED, SIGNAL(textChanged(QString)),
3292                 this, SIGNAL(changed()));
3293         connect(emailED, SIGNAL(textChanged(QString)),
3294                 this, SIGNAL(changed()));
3295
3296         nameED->setValidator(new NoNewLineValidator(nameED));
3297         emailED->setValidator(new NoNewLineValidator(emailED));
3298 }
3299
3300
3301 void PrefIdentity::applyRC(LyXRC & rc) const
3302 {
3303         rc.user_name = fromqstr(nameED->text());
3304         rc.user_email = fromqstr(emailED->text());
3305 }
3306
3307
3308 void PrefIdentity::updateRC(LyXRC const & rc)
3309 {
3310         nameED->setText(toqstr(rc.user_name));
3311         emailED->setText(toqstr(rc.user_email));
3312 }
3313
3314
3315
3316 /////////////////////////////////////////////////////////////////////
3317 //
3318 // GuiPreferences
3319 //
3320 /////////////////////////////////////////////////////////////////////
3321
3322 GuiPreferences::GuiPreferences(GuiView & lv)
3323         : GuiDialog(lv, "prefs", qt_("Preferences")), update_screen_font_(false),
3324           update_previews_(false)
3325 {
3326         setupUi(this);
3327
3328         QDialog::setModal(false);
3329
3330         connect(savePB, SIGNAL(clicked()), this, SLOT(slotOK()));
3331         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
3332         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
3333         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
3334
3335         addModule(new PrefUserInterface(this));
3336         addModule(new PrefDocHandling(this));
3337         addModule(new PrefEdit(this));
3338         addModule(new PrefShortcuts(this));
3339         PrefScreenFonts * screenfonts = new PrefScreenFonts(this);
3340         connect(this, SIGNAL(prefsApplied(LyXRC const &)),
3341                         screenfonts, SLOT(updateScreenFontSizes(LyXRC const &)));
3342         addModule(screenfonts);
3343         addModule(new PrefColors(this));
3344         addModule(new PrefDisplay(this));
3345         addModule(new PrefInput(this));
3346         addModule(new PrefCompletion(this));
3347
3348         addModule(new PrefPaths(this));
3349
3350         addModule(new PrefIdentity(this));
3351
3352         addModule(new PrefLanguage(this));
3353         addModule(new PrefSpellchecker(this));
3354
3355         //for strftime validator
3356         PrefOutput * output = new PrefOutput(this);
3357         addModule(output);
3358         addModule(new PrefLatex(this));
3359
3360         PrefConverters * converters = new PrefConverters(this);
3361         PrefFileformats * formats = new PrefFileformats(this);
3362         connect(formats, SIGNAL(formatsChanged()),
3363                         converters, SLOT(updateGui()));
3364         addModule(converters);
3365         addModule(formats);
3366
3367         prefsPS->setCurrentPanel("User Interface");
3368 // FIXME: hack to work around resizing bug in Qt >= 4.2
3369 // bug verified with Qt 4.2.{0-3} (JSpitzm)
3370 #if QT_VERSION >= 0x040200
3371         prefsPS->updateGeometry();
3372 #endif
3373
3374         bc().setPolicy(ButtonPolicy::PreferencesPolicy);
3375         bc().setOK(savePB);
3376         bc().setApply(applyPB);
3377         bc().setCancel(closePB);
3378         bc().setRestore(restorePB);
3379
3380         // initialize the strftime validator
3381         bc().addCheckedLineEdit(output->DateED);
3382 }
3383
3384
3385 void GuiPreferences::addModule(PrefModule * module)
3386 {
3387         LASSERT(module, return);
3388         if (module->category().isEmpty())
3389                 prefsPS->addPanel(module, module->title());
3390         else
3391                 prefsPS->addPanel(module, module->title(), module->category());
3392         connect(module, SIGNAL(changed()), this, SLOT(change_adaptor()));
3393         modules_.push_back(module);
3394 }
3395
3396
3397 void GuiPreferences::change_adaptor()
3398 {
3399         changed();
3400 }
3401
3402
3403 void GuiPreferences::applyRC(LyXRC & rc) const
3404 {
3405         size_t end = modules_.size();
3406         for (size_t i = 0; i != end; ++i)
3407                 modules_[i]->applyRC(rc);
3408 }
3409
3410
3411 void GuiPreferences::updateRC(LyXRC const & rc)
3412 {
3413         size_t const end = modules_.size();
3414         for (size_t i = 0; i != end; ++i)
3415                 modules_[i]->updateRC(rc);
3416 }
3417
3418
3419 void GuiPreferences::applyView()
3420 {
3421         applyRC(rc());
3422 }
3423
3424
3425 bool GuiPreferences::initialiseParams(string const &)
3426 {
3427         rc_ = lyxrc;
3428         formats_ = lyx::formats;
3429         converters_ = theConverters();
3430         converters_.update(formats_);
3431         movers_ = theMovers();
3432         colors_.clear();
3433         update_screen_font_ = false;
3434         update_previews_ = false;
3435
3436         updateRC(rc_);
3437         // Make sure that the bc is in the INITIAL state
3438         if (bc().policy().buttonStatus(ButtonPolicy::RESTORE))
3439                 bc().restore();
3440
3441         return true;
3442 }
3443
3444
3445 void GuiPreferences::dispatchParams()
3446 {
3447         ostringstream ss;
3448         rc_.write(ss, true);
3449         dispatch(FuncRequest(LFUN_LYXRC_APPLY, ss.str()));
3450         // issue prefsApplied signal. This will update the
3451         // localized screen font sizes.
3452         prefsApplied(rc_);
3453         // FIXME: these need lfuns
3454         // FIXME UNICODE
3455         Author const & author =
3456                 Author(from_utf8(rc_.user_name), from_utf8(rc_.user_email));
3457         theBufferList().recordCurrentAuthor(author);
3458
3459         lyx::formats = formats_;
3460
3461         theConverters() = converters_;
3462         theConverters().update(lyx::formats);
3463         theConverters().buildGraph();
3464         theBufferList().invalidateConverterCache();
3465
3466         theMovers() = movers_;
3467
3468         vector<string>::const_iterator it = colors_.begin();
3469         vector<string>::const_iterator const end = colors_.end();
3470         for (; it != end; ++it)
3471                 dispatch(FuncRequest(LFUN_SET_COLOR, *it));
3472         colors_.clear();
3473
3474         if (update_screen_font_) {
3475                 dispatch(FuncRequest(LFUN_SCREEN_FONT_UPDATE));
3476                 // resets flag in case second apply in same dialog
3477                 update_screen_font_ = false;
3478         }
3479
3480         if (update_previews_) {
3481                 // resets flag in case second apply in same dialog
3482                 theBufferList().updatePreviews();
3483                 update_previews_ = false;
3484         }
3485
3486         // The Save button has been pressed
3487         if (isClosing())
3488                 dispatch(FuncRequest(LFUN_PREFERENCES_SAVE));
3489 }
3490
3491
3492 void GuiPreferences::setColor(ColorCode col, QString const & hex)
3493 {
3494         colors_.push_back(lcolor.getLyXName(col) + ' ' + fromqstr(hex));
3495 }
3496
3497
3498 void GuiPreferences::updateScreenFonts()
3499 {
3500         update_screen_font_ = true;
3501 }
3502
3503
3504 void GuiPreferences::updatePreviews()
3505 {
3506         update_previews_ = true;
3507 }
3508
3509
3510 QString GuiPreferences::browsebind(QString const & file) const
3511 {
3512         return browseLibFile("bind", file, "bind", qt_("Choose bind file"),
3513                              QStringList(qt_("LyX bind files (*.bind)")));
3514 }
3515
3516
3517 QString GuiPreferences::browseUI(QString const & file) const
3518 {
3519         return browseLibFile("ui", file, "ui", qt_("Choose UI file"),
3520                              QStringList(qt_("LyX UI files (*.ui)")));
3521 }
3522
3523
3524 QString GuiPreferences::browsekbmap(QString const & file) const
3525 {
3526         return browseLibFile("kbd", file, "kmap", qt_("Choose keyboard map"),
3527                              QStringList(qt_("LyX keyboard maps (*.kmap)")));
3528 }
3529
3530
3531 QString GuiPreferences::browse(QString const & file,
3532         QString const & title) const
3533 {
3534         return browseFile(file, title, QStringList(), true);
3535 }
3536
3537
3538 Dialog * createGuiPreferences(GuiView & lv) { return new GuiPreferences(lv); }
3539
3540
3541 } // namespace frontend
3542 } // namespace lyx
3543
3544 #include "moc_GuiPrefs.cpp"