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