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1 /**
2  * \file GuiPrefs.cpp
3  * This file is part of LyX, the document processor.
4  * Licence details can be found in the file COPYING.
5  *
6  * \author John Levon
7  * \author Bo Peng
8  *
9  * Full author contact details are available in file CREDITS.
10  */
11
12 #include <config.h>
13
14 #include "GuiPrefs.h"
15
16 #include "ColorCache.h"
17 #include "FileDialog.h"
18 #include "GuiApplication.h"
19 #include "GuiFontExample.h"
20 #include "GuiFontLoader.h"
21 #include "GuiKeySymbol.h"
22 #include "qt_helpers.h"
23 #include "Validator.h"
24
25 #include "Author.h"
26 #include "BufferList.h"
27 #include "Color.h"
28 #include "ColorSet.h"
29 #include "ConverterCache.h"
30 #include "FontEnums.h"
31 #include "FuncRequest.h"
32 #include "KeyMap.h"
33 #include "KeySequence.h"
34 #include "Language.h"
35 #include "LyXAction.h"
36 #include "LyX.h"
37 #include "PanelStack.h"
38 #include "Session.h"
39 #include "SpellChecker.h"
40
41 #include "support/debug.h"
42 #include "support/FileName.h"
43 #include "support/filetools.h"
44 #include "support/gettext.h"
45 #include "support/lassert.h"
46 #include "support/lstrings.h"
47 #include "support/Messages.h"
48 #include "support/os.h"
49 #include "support/Package.h"
50
51 #include "graphics/GraphicsTypes.h"
52
53 #include "frontends/alert.h"
54 #include "frontends/Application.h"
55 #include "frontends/FontLoader.h"
56
57 #include <QAbstractItemModel>
58 #include <QCheckBox>
59 #include <QColorDialog>
60 #include <QFontDatabase>
61 #include <QHeaderView>
62 #include <QLineEdit>
63 #include <QMessageBox>
64 #include <QPixmapCache>
65 #include <QPushButton>
66 #include <QSpinBox>
67 #include <QString>
68 #include <QTreeWidget>
69 #include <QTreeWidgetItem>
70 #include <QValidator>
71
72 #include <iomanip>
73 #include <sstream>
74 #include <algorithm>
75 #include <math.h>
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(latexJBibtexCO, SIGNAL(activated(int)),
748                 this, SIGNAL(changed()));
749         connect(latexJBibtexED, SIGNAL(textChanged(QString)),
750                 this, SIGNAL(changed()));
751         connect(latexIndexCO, SIGNAL(activated(int)),
752                 this, SIGNAL(changed()));
753         connect(latexIndexED, SIGNAL(textChanged(QString)),
754                 this, SIGNAL(changed()));
755         connect(latexJIndexED, SIGNAL(textChanged(QString)),
756                 this, SIGNAL(changed()));
757         connect(latexAutoresetCB, SIGNAL(clicked()),
758                 this, SIGNAL(changed()));
759         connect(latexDviPaperED, SIGNAL(textChanged(QString)),
760                 this, SIGNAL(changed()));
761         connect(latexNomenclED, SIGNAL(textChanged(QString)),
762                 this, SIGNAL(changed()));
763
764 #if defined(__CYGWIN__) || defined(_WIN32)
765         pathCB->setVisible(true);
766         connect(pathCB, SIGNAL(clicked()),
767                 this, SIGNAL(changed()));
768 #else
769         pathCB->setVisible(false);
770 #endif
771 }
772
773
774 void PrefLatex::on_latexEncodingCB_stateChanged(int state)
775 {
776         latexEncodingED->setEnabled(state == Qt::Checked);
777 }
778
779
780 void PrefLatex::on_latexBibtexCO_activated(int n)
781 {
782         QString const bibtex = latexBibtexCO->itemData(n).toString();
783         if (bibtex.isEmpty()) {
784                 latexBibtexED->clear();
785                 latexBibtexOptionsLA->setText(qt_("C&ommand:"));
786                 return;
787         }
788         for (LyXRC::CommandSet::const_iterator it = bibtex_alternatives.begin();
789              it != bibtex_alternatives.end(); ++it) {
790                 QString const bib = toqstr(*it);
791                 int ind = bib.indexOf(" ");
792                 QString sel_command = bib.left(ind);
793                 QString sel_options = ind < 0 ? QString() : bib.mid(ind + 1);
794                 if (bibtex == sel_command) {
795                         if (ind < 0)
796                                 latexBibtexED->clear();
797                         else
798                                 latexBibtexED->setText(sel_options.trimmed());
799                 }
800         }
801         latexBibtexOptionsLA->setText(qt_("&Options:"));
802 }
803
804
805 void PrefLatex::on_latexJBibtexCO_activated(int n)
806 {
807         QString const jbibtex = latexJBibtexCO->itemData(n).toString();
808         if (jbibtex.isEmpty()) {
809                 latexJBibtexED->clear();
810                 latexJBibtexOptionsLA->setText(qt_("Co&mmand:"));
811                 return;
812         }
813         for (LyXRC::CommandSet::const_iterator it = jbibtex_alternatives.begin();
814              it != jbibtex_alternatives.end(); ++it) {
815                 QString const bib = toqstr(*it);
816                 int ind = bib.indexOf(" ");
817                 QString sel_command = bib.left(ind);
818                 QString sel_options = ind < 0 ? QString() : bib.mid(ind + 1);
819                 if (jbibtex == sel_command) {
820                         if (ind < 0)
821                                 latexJBibtexED->clear();
822                         else
823                                 latexJBibtexED->setText(sel_options.trimmed());
824                 }
825         }
826         latexJBibtexOptionsLA->setText(qt_("Opt&ions:"));
827 }
828
829
830 void PrefLatex::on_latexIndexCO_activated(int n)
831 {
832         QString const index = latexIndexCO->itemData(n).toString();
833         if (index.isEmpty()) {
834                 latexIndexED->clear();
835                 latexIndexOptionsLA->setText(qt_("Co&mmand:"));
836                 return;
837         }
838         for (LyXRC::CommandSet::const_iterator it = index_alternatives.begin();
839              it != index_alternatives.end(); ++it) {
840                 QString const idx = toqstr(*it);
841                 int ind = idx.indexOf(" ");
842                 QString sel_command = idx.left(ind);
843                 QString sel_options = ind < 0 ? QString() : idx.mid(ind + 1);
844                 if (index == sel_command) {
845                         if (ind < 0)
846                                 latexIndexED->clear();
847                         else
848                                 latexIndexED->setText(sel_options.trimmed());
849                 }
850         }
851         latexIndexOptionsLA->setText(qt_("Op&tions:"));
852 }
853
854
855 void PrefLatex::applyRC(LyXRC & rc) const
856 {
857         // If bibtex is not empty, bibopt contains the options, otherwise
858         // it is a customized bibtex command with options.
859         QString const bibtex = latexBibtexCO->itemData(
860                 latexBibtexCO->currentIndex()).toString();
861         QString const bibopt = latexBibtexED->text();
862         if (bibtex.isEmpty())
863                 rc.bibtex_command = fromqstr(bibopt);
864         else if (bibopt.isEmpty())
865                 rc.bibtex_command = fromqstr(bibtex);
866         else
867                 rc.bibtex_command = fromqstr(bibtex) + " " + fromqstr(bibopt);
868
869         // If jbibtex is not empty, jbibopt contains the options, otherwise
870         // it is a customized bibtex command with options.
871         QString const jbibtex = latexJBibtexCO->itemData(
872                 latexJBibtexCO->currentIndex()).toString();
873         QString const jbibopt = latexJBibtexED->text();
874         if (jbibtex.isEmpty())
875                 rc.jbibtex_command = fromqstr(jbibopt);
876         else if (jbibopt.isEmpty())
877                 rc.jbibtex_command = fromqstr(jbibtex);
878         else
879                 rc.jbibtex_command = fromqstr(jbibtex) + " " + fromqstr(jbibopt);
880
881         // If index is not empty, idxopt contains the options, otherwise
882         // it is a customized index command with options.
883         QString const index = latexIndexCO->itemData(
884                 latexIndexCO->currentIndex()).toString();
885         QString const idxopt = latexIndexED->text();
886         if (index.isEmpty())
887                 rc.index_command = fromqstr(idxopt);
888         else if (idxopt.isEmpty())
889                 rc.index_command = fromqstr(index);
890         else
891                 rc.index_command = fromqstr(index) + " " + fromqstr(idxopt);
892
893         if (latexEncodingCB->isChecked())
894                 rc.fontenc = fromqstr(latexEncodingED->text());
895         else
896                 rc.fontenc = "default";
897         rc.chktex_command = fromqstr(latexChecktexED->text());
898         rc.jindex_command = fromqstr(latexJIndexED->text());
899         rc.nomencl_command = fromqstr(latexNomenclED->text());
900         rc.auto_reset_options = latexAutoresetCB->isChecked();
901         rc.view_dvi_paper_option = fromqstr(latexDviPaperED->text());
902 #if defined(__CYGWIN__) || defined(_WIN32)
903         rc.windows_style_tex_paths = pathCB->isChecked();
904 #endif
905 }
906
907
908 void PrefLatex::updateRC(LyXRC const & rc)
909 {
910         latexBibtexCO->clear();
911
912         latexBibtexCO->addItem(qt_("Automatic"), "automatic");
913         latexBibtexCO->addItem(qt_("Custom"), QString());
914         for (LyXRC::CommandSet::const_iterator it = rc.bibtex_alternatives.begin();
915                              it != rc.bibtex_alternatives.end(); ++it) {
916                 QString const command = toqstr(*it).left(toqstr(*it).indexOf(" "));
917                 latexBibtexCO->addItem(command, command);
918         }
919
920         bibtex_alternatives = rc.bibtex_alternatives;
921
922         QString const bib = toqstr(rc.bibtex_command);
923         int ind = bib.indexOf(" ");
924         QString sel_command = bib.left(ind);
925         QString sel_options = ind < 0 ? QString() : bib.mid(ind + 1);
926
927         int pos = latexBibtexCO->findData(sel_command);
928         if (pos != -1) {
929                 latexBibtexCO->setCurrentIndex(pos);
930                 latexBibtexED->setText(sel_options.trimmed());
931                 latexBibtexOptionsLA->setText(qt_("&Options:"));
932         } else {
933                 latexBibtexED->setText(toqstr(rc.bibtex_command));
934                 latexBibtexCO->setCurrentIndex(0);
935                 latexBibtexOptionsLA->setText(qt_("C&ommand:"));
936         }
937
938         latexJBibtexCO->clear();
939
940         latexJBibtexCO->addItem(qt_("Automatic"), "automatic");
941         latexJBibtexCO->addItem(qt_("Custom"), QString());
942         for (LyXRC::CommandSet::const_iterator it = rc.jbibtex_alternatives.begin();
943                              it != rc.jbibtex_alternatives.end(); ++it) {
944                 QString const command = toqstr(*it).left(toqstr(*it).indexOf(" "));
945                 latexJBibtexCO->addItem(command, command);
946         }
947
948         jbibtex_alternatives = rc.jbibtex_alternatives;
949
950         QString const jbib = toqstr(rc.jbibtex_command);
951         ind = jbib.indexOf(" ");
952         sel_command = jbib.left(ind);
953         sel_options = ind < 0 ? QString() : jbib.mid(ind + 1);
954
955         pos = latexJBibtexCO->findData(sel_command);
956         if (pos != -1) {
957                 latexJBibtexCO->setCurrentIndex(pos);
958                 latexJBibtexED->setText(sel_options.trimmed());
959                 latexJBibtexOptionsLA->setText(qt_("Opt&ions:"));
960         } else {
961                 latexJBibtexED->setText(toqstr(rc.bibtex_command));
962                 latexJBibtexCO->setCurrentIndex(0);
963                 latexJBibtexOptionsLA->setText(qt_("Co&mmand:"));
964         }
965
966         latexIndexCO->clear();
967
968         latexIndexCO->addItem(qt_("Custom"), QString());
969         for (LyXRC::CommandSet::const_iterator it = rc.index_alternatives.begin();
970                              it != rc.index_alternatives.end(); ++it) {
971                 QString const command = toqstr(*it).left(toqstr(*it).indexOf(" "));
972                 latexIndexCO->addItem(command, command);
973         }
974
975         index_alternatives = rc.index_alternatives;
976
977         QString const idx = toqstr(rc.index_command);
978         ind = idx.indexOf(" ");
979         sel_command = idx.left(ind);
980         sel_options = ind < 0 ? QString() : idx.mid(ind + 1);
981
982         pos = latexIndexCO->findData(sel_command);
983         if (pos != -1) {
984                 latexIndexCO->setCurrentIndex(pos);
985                 latexIndexED->setText(sel_options.trimmed());
986                 latexIndexOptionsLA->setText(qt_("Op&tions:"));
987         } else {
988                 latexIndexED->setText(toqstr(rc.index_command));
989                 latexIndexCO->setCurrentIndex(0);
990                 latexIndexOptionsLA->setText(qt_("Co&mmand:"));
991         }
992
993         if (rc.fontenc == "default") {
994                 latexEncodingCB->setChecked(false);
995                 latexEncodingED->setEnabled(false);
996         } else {
997                 latexEncodingCB->setChecked(true);
998                 latexEncodingED->setEnabled(true);
999                 latexEncodingED->setText(toqstr(rc.fontenc));
1000         }
1001         latexChecktexED->setText(toqstr(rc.chktex_command));
1002         latexJIndexED->setText(toqstr(rc.jindex_command));
1003         latexNomenclED->setText(toqstr(rc.nomencl_command));
1004         latexAutoresetCB->setChecked(rc.auto_reset_options);
1005         latexDviPaperED->setText(toqstr(rc.view_dvi_paper_option));
1006 #if defined(__CYGWIN__) || defined(_WIN32)
1007         pathCB->setChecked(rc.windows_style_tex_paths);
1008 #endif
1009 }
1010
1011
1012 /////////////////////////////////////////////////////////////////////
1013 //
1014 // PrefScreenFonts
1015 //
1016 /////////////////////////////////////////////////////////////////////
1017
1018 PrefScreenFonts::PrefScreenFonts(GuiPreferences * form)
1019         : PrefModule(catLookAndFeel, N_("Screen Fonts"), form)
1020 {
1021         setupUi(this);
1022
1023         connect(screenRomanCO, SIGNAL(activated(QString)),
1024                 this, SLOT(selectRoman(QString)));
1025         connect(screenSansCO, SIGNAL(activated(QString)),
1026                 this, SLOT(selectSans(QString)));
1027         connect(screenTypewriterCO, SIGNAL(activated(QString)),
1028                 this, SLOT(selectTypewriter(QString)));
1029
1030         QFontDatabase fontdb;
1031         QStringList families(fontdb.families());
1032         for (QStringList::Iterator it = families.begin(); it != families.end(); ++it) {
1033                 screenRomanCO->addItem(*it);
1034                 screenSansCO->addItem(*it);
1035                 screenTypewriterCO->addItem(*it);
1036         }
1037         connect(screenRomanCO, SIGNAL(activated(QString)),
1038                 this, SIGNAL(changed()));
1039         connect(screenSansCO, SIGNAL(activated(QString)),
1040                 this, SIGNAL(changed()));
1041         connect(screenTypewriterCO, SIGNAL(activated(QString)),
1042                 this, SIGNAL(changed()));
1043         connect(screenZoomSB, SIGNAL(valueChanged(int)),
1044                 this, SIGNAL(changed()));
1045         connect(screenTinyED, SIGNAL(textChanged(QString)),
1046                 this, SIGNAL(changed()));
1047         connect(screenSmallestED, SIGNAL(textChanged(QString)),
1048                 this, SIGNAL(changed()));
1049         connect(screenSmallerED, SIGNAL(textChanged(QString)),
1050                 this, SIGNAL(changed()));
1051         connect(screenSmallED, SIGNAL(textChanged(QString)),
1052                 this, SIGNAL(changed()));
1053         connect(screenNormalED, SIGNAL(textChanged(QString)),
1054                 this, SIGNAL(changed()));
1055         connect(screenLargeED, SIGNAL(textChanged(QString)),
1056                 this, SIGNAL(changed()));
1057         connect(screenLargerED, SIGNAL(textChanged(QString)),
1058                 this, SIGNAL(changed()));
1059         connect(screenLargestED, SIGNAL(textChanged(QString)),
1060                 this, SIGNAL(changed()));
1061         connect(screenHugeED, SIGNAL(textChanged(QString)),
1062                 this, SIGNAL(changed()));
1063         connect(screenHugerED, SIGNAL(textChanged(QString)),
1064                 this, SIGNAL(changed()));
1065         connect(pixmapCacheCB, SIGNAL(toggled(bool)),
1066                 this, SIGNAL(changed()));
1067
1068         screenTinyED->setValidator(new QDoubleValidator(screenTinyED));
1069         screenSmallestED->setValidator(new QDoubleValidator(screenSmallestED));
1070         screenSmallerED->setValidator(new QDoubleValidator(screenSmallerED));
1071         screenSmallED->setValidator(new QDoubleValidator(screenSmallED));
1072         screenNormalED->setValidator(new QDoubleValidator(screenNormalED));
1073         screenLargeED->setValidator(new QDoubleValidator(screenLargeED));
1074         screenLargerED->setValidator(new QDoubleValidator(screenLargerED));
1075         screenLargestED->setValidator(new QDoubleValidator(screenLargestED));
1076         screenHugeED->setValidator(new QDoubleValidator(screenHugeED));
1077         screenHugerED->setValidator(new QDoubleValidator(screenHugerED));
1078 }
1079
1080
1081 void PrefScreenFonts::applyRC(LyXRC & rc) const
1082 {
1083         LyXRC const oldrc = rc;
1084
1085         parseFontName(screenRomanCO->currentText(),
1086                 rc.roman_font_name, rc.roman_font_foundry);
1087         parseFontName(screenSansCO->currentText(),
1088                 rc.sans_font_name, rc.sans_font_foundry);
1089         parseFontName(screenTypewriterCO->currentText(),
1090                 rc.typewriter_font_name, rc.typewriter_font_foundry);
1091
1092         rc.zoom = screenZoomSB->value();
1093         rc.font_sizes[FONT_SIZE_TINY] = widgetToDoubleStr(screenTinyED);
1094         rc.font_sizes[FONT_SIZE_SCRIPT] = widgetToDoubleStr(screenSmallestED);
1095         rc.font_sizes[FONT_SIZE_FOOTNOTE] = widgetToDoubleStr(screenSmallerED);
1096         rc.font_sizes[FONT_SIZE_SMALL] = widgetToDoubleStr(screenSmallED);
1097         rc.font_sizes[FONT_SIZE_NORMAL] = widgetToDoubleStr(screenNormalED);
1098         rc.font_sizes[FONT_SIZE_LARGE] = widgetToDoubleStr(screenLargeED);
1099         rc.font_sizes[FONT_SIZE_LARGER] = widgetToDoubleStr(screenLargerED);
1100         rc.font_sizes[FONT_SIZE_LARGEST] = widgetToDoubleStr(screenLargestED);
1101         rc.font_sizes[FONT_SIZE_HUGE] = widgetToDoubleStr(screenHugeED);
1102         rc.font_sizes[FONT_SIZE_HUGER] = widgetToDoubleStr(screenHugerED);
1103         rc.use_pixmap_cache = pixmapCacheCB->isChecked();
1104
1105         if (rc.font_sizes != oldrc.font_sizes
1106                 || rc.roman_font_name != oldrc.roman_font_name
1107                 || rc.sans_font_name != oldrc.sans_font_name
1108                 || rc.typewriter_font_name != oldrc.typewriter_font_name
1109                 || rc.zoom != oldrc.zoom) {
1110                 // The global QPixmapCache is used in GuiPainter to cache text
1111                 // painting so we must reset it in case any of the above
1112                 // parameter is changed.
1113                 QPixmapCache::clear();
1114                 guiApp->fontLoader().update();
1115                 form_->updateScreenFonts();
1116         }
1117 }
1118
1119
1120 void PrefScreenFonts::updateRC(LyXRC const & rc)
1121 {
1122         setComboxFont(screenRomanCO, rc.roman_font_name,
1123                         rc.roman_font_foundry);
1124         setComboxFont(screenSansCO, rc.sans_font_name,
1125                         rc.sans_font_foundry);
1126         setComboxFont(screenTypewriterCO, rc.typewriter_font_name,
1127                         rc.typewriter_font_foundry);
1128
1129         selectRoman(screenRomanCO->currentText());
1130         selectSans(screenSansCO->currentText());
1131         selectTypewriter(screenTypewriterCO->currentText());
1132
1133         screenZoomSB->setValue(rc.zoom);
1134         updateScreenFontSizes(rc);
1135
1136         pixmapCacheCB->setChecked(rc.use_pixmap_cache);
1137 #if defined(Q_WS_X11) || defined(QPA_XCB)
1138         pixmapCacheCB->setEnabled(false);
1139 #endif
1140
1141 }
1142
1143
1144 void PrefScreenFonts::updateScreenFontSizes(LyXRC const & rc)
1145 {
1146         doubleToWidget(screenTinyED, rc.font_sizes[FONT_SIZE_TINY]);
1147         doubleToWidget(screenSmallestED, rc.font_sizes[FONT_SIZE_SCRIPT]);
1148         doubleToWidget(screenSmallerED, rc.font_sizes[FONT_SIZE_FOOTNOTE]);
1149         doubleToWidget(screenSmallED, rc.font_sizes[FONT_SIZE_SMALL]);
1150         doubleToWidget(screenNormalED, rc.font_sizes[FONT_SIZE_NORMAL]);
1151         doubleToWidget(screenLargeED, rc.font_sizes[FONT_SIZE_LARGE]);
1152         doubleToWidget(screenLargerED, rc.font_sizes[FONT_SIZE_LARGER]);
1153         doubleToWidget(screenLargestED, rc.font_sizes[FONT_SIZE_LARGEST]);
1154         doubleToWidget(screenHugeED, rc.font_sizes[FONT_SIZE_HUGE]);
1155         doubleToWidget(screenHugerED, rc.font_sizes[FONT_SIZE_HUGER]);
1156 }
1157
1158
1159 void PrefScreenFonts::selectRoman(const QString & name)
1160 {
1161         screenRomanFE->set(QFont(name), name);
1162 }
1163
1164
1165 void PrefScreenFonts::selectSans(const QString & name)
1166 {
1167         screenSansFE->set(QFont(name), name);
1168 }
1169
1170
1171 void PrefScreenFonts::selectTypewriter(const QString & name)
1172 {
1173         screenTypewriterFE->set(QFont(name), name);
1174 }
1175
1176
1177 /////////////////////////////////////////////////////////////////////
1178 //
1179 // PrefColors
1180 //
1181 /////////////////////////////////////////////////////////////////////
1182
1183
1184 PrefColors::PrefColors(GuiPreferences * form)
1185         : PrefModule(catLookAndFeel, N_("Colors"), form)
1186 {
1187         setupUi(this);
1188
1189         // FIXME: all of this initialization should be put into the controller.
1190         // See http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg113301.html
1191         // for some discussion of why that is not trivial.
1192         QPixmap icon(32, 32);
1193         for (int i = 0; i < Color_ignore; ++i) {
1194                 ColorCode lc = static_cast<ColorCode>(i);
1195                 if (lc == Color_none
1196                     || lc == Color_black
1197                     || lc == Color_white
1198                     || lc == Color_blue
1199                     || lc == Color_brown
1200                     || lc == Color_cyan
1201                     || lc == Color_darkgray
1202                     || lc == Color_gray
1203                     || lc == Color_green
1204                     || lc == Color_lightgray
1205                     || lc == Color_lime
1206                     || lc == Color_magenta
1207                     || lc == Color_olive
1208                     || lc == Color_orange
1209                     || lc == Color_pink
1210                     || lc == Color_purple
1211                     || lc == Color_red
1212                     || lc == Color_teal
1213                     || lc == Color_violet
1214                     || lc == Color_yellow
1215                     || lc == Color_inherit
1216                     || lc == Color_ignore)
1217                         continue;
1218                 lcolors_.push_back(lc);
1219         }
1220         qSort(lcolors_.begin(), lcolors_.end(), ColorSorter);
1221         vector<ColorCode>::const_iterator cit = lcolors_.begin();
1222         vector<ColorCode>::const_iterator const end = lcolors_.end();
1223         for (; cit != end; ++cit) {
1224                 (void) new QListWidgetItem(QIcon(icon),
1225                         toqstr(lcolor.getGUIName(*cit)), lyxObjectsLW);
1226         }
1227         curcolors_.resize(lcolors_.size());
1228         newcolors_.resize(lcolors_.size());
1229         // End initialization
1230
1231         connect(colorChangePB, SIGNAL(clicked()),
1232                 this, SLOT(changeColor()));
1233         connect(lyxObjectsLW, SIGNAL(itemSelectionChanged()),
1234                 this, SLOT(changeLyxObjectsSelection()));
1235         connect(lyxObjectsLW, SIGNAL(itemActivated(QListWidgetItem*)),
1236                 this, SLOT(changeColor()));
1237         connect(syscolorsCB, SIGNAL(toggled(bool)),
1238                 this, SIGNAL(changed()));
1239         connect(syscolorsCB, SIGNAL(toggled(bool)),
1240                 this, SLOT(changeSysColor()));
1241 }
1242
1243
1244 void PrefColors::applyRC(LyXRC & rc) const
1245 {
1246         LyXRC oldrc = rc;
1247
1248         for (unsigned int i = 0; i < lcolors_.size(); ++i)
1249                 if (curcolors_[i] != newcolors_[i])
1250                         form_->setColor(lcolors_[i], newcolors_[i]);
1251         rc.use_system_colors = syscolorsCB->isChecked();
1252
1253         if (oldrc.use_system_colors != rc.use_system_colors)
1254                 guiApp->colorCache().clear();
1255 }
1256
1257
1258 void PrefColors::updateRC(LyXRC const & rc)
1259 {
1260         for (unsigned int i = 0; i < lcolors_.size(); ++i) {
1261                 QColor color = QColor(guiApp->colorCache().get(lcolors_[i], false));
1262                 QPixmap coloritem(32, 32);
1263                 coloritem.fill(color);
1264                 lyxObjectsLW->item(i)->setIcon(QIcon(coloritem));
1265                 newcolors_[i] = curcolors_[i] = color.name();
1266         }
1267         syscolorsCB->setChecked(rc.use_system_colors);
1268         changeLyxObjectsSelection();
1269 }
1270
1271
1272 void PrefColors::changeColor()
1273 {
1274         int const row = lyxObjectsLW->currentRow();
1275
1276         // just to be sure
1277         if (row < 0)
1278                 return;
1279
1280         QString const color = newcolors_[row];
1281         QColor c = QColorDialog::getColor(QColor(color), qApp->focusWidget());
1282
1283         if (c.isValid() && c.name() != color) {
1284                 newcolors_[row] = c.name();
1285                 QPixmap coloritem(32, 32);
1286                 coloritem.fill(c);
1287                 lyxObjectsLW->currentItem()->setIcon(QIcon(coloritem));
1288                 // emit signal
1289                 changed();
1290         }
1291 }
1292
1293 void PrefColors::changeSysColor()
1294 {
1295         for (int row = 0 ; row < lyxObjectsLW->count() ; ++row) {
1296                 // skip colors that are taken from system palette
1297                 bool const hide = syscolorsCB->isChecked()
1298                         && guiApp->colorCache().isSystem(lcolors_[row]);
1299
1300                 lyxObjectsLW->item(row)->setHidden(hide);
1301         }
1302
1303 }
1304
1305 void PrefColors::changeLyxObjectsSelection()
1306 {
1307         colorChangePB->setDisabled(lyxObjectsLW->currentRow() < 0);
1308 }
1309
1310
1311 /////////////////////////////////////////////////////////////////////
1312 //
1313 // PrefDisplay
1314 //
1315 /////////////////////////////////////////////////////////////////////
1316
1317 PrefDisplay::PrefDisplay(GuiPreferences * form)
1318         : PrefModule(catLookAndFeel, N_("Display"), form)
1319 {
1320         setupUi(this);
1321         connect(displayGraphicsCB, SIGNAL(toggled(bool)), this, SIGNAL(changed()));
1322         connect(instantPreviewCO, SIGNAL(activated(int)), this, SIGNAL(changed()));
1323         connect(previewSizeSB, SIGNAL(valueChanged(double)), this, SIGNAL(changed()));
1324         connect(paragraphMarkerCB, SIGNAL(toggled(bool)), this, SIGNAL(changed()));
1325 }
1326
1327
1328 void PrefDisplay::on_instantPreviewCO_currentIndexChanged(int index)
1329 {
1330         previewSizeSB->setEnabled(index != 0);
1331 }
1332
1333
1334 void PrefDisplay::applyRC(LyXRC & rc) const
1335 {
1336         switch (instantPreviewCO->currentIndex()) {
1337                 case 0:
1338                         rc.preview = LyXRC::PREVIEW_OFF;
1339                         break;
1340                 case 1:
1341                         if (rc.preview != LyXRC::PREVIEW_NO_MATH) {
1342                                 rc.preview = LyXRC::PREVIEW_NO_MATH;
1343                                 form_->updatePreviews();
1344                         }
1345                         break;
1346                 case 2:
1347                         if (rc.preview != LyXRC::PREVIEW_ON) {
1348                                 rc.preview = LyXRC::PREVIEW_ON;
1349                                 form_->updatePreviews();
1350                         }
1351                         break;
1352         }
1353
1354         rc.display_graphics = displayGraphicsCB->isChecked();
1355         rc.preview_scale_factor = previewSizeSB->value();
1356         rc.paragraph_markers = paragraphMarkerCB->isChecked();
1357
1358         // FIXME!! The graphics cache no longer has a changeDisplay method.
1359 #if 0
1360         if (old_value != rc.display_graphics) {
1361                 graphics::GCache & gc = graphics::GCache::get();
1362                 gc.changeDisplay();
1363         }
1364 #endif
1365 }
1366
1367
1368 void PrefDisplay::updateRC(LyXRC const & rc)
1369 {
1370         switch (rc.preview) {
1371         case LyXRC::PREVIEW_OFF:
1372                 instantPreviewCO->setCurrentIndex(0);
1373                 break;
1374         case LyXRC::PREVIEW_NO_MATH :
1375                 instantPreviewCO->setCurrentIndex(1);
1376                 break;
1377         case LyXRC::PREVIEW_ON :
1378                 instantPreviewCO->setCurrentIndex(2);
1379                 break;
1380         }
1381
1382         displayGraphicsCB->setChecked(rc.display_graphics);
1383         previewSizeSB->setValue(rc.preview_scale_factor);
1384         paragraphMarkerCB->setChecked(rc.paragraph_markers);
1385         previewSizeSB->setEnabled(
1386                 rc.display_graphics
1387                 && rc.preview != LyXRC::PREVIEW_OFF);
1388 }
1389
1390
1391 /////////////////////////////////////////////////////////////////////
1392 //
1393 // PrefPaths
1394 //
1395 /////////////////////////////////////////////////////////////////////
1396
1397 PrefPaths::PrefPaths(GuiPreferences * form)
1398         : PrefModule(QString(), N_("Paths"), form)
1399 {
1400         setupUi(this);
1401
1402         connect(workingDirPB, SIGNAL(clicked()), this, SLOT(selectWorkingdir()));
1403         connect(workingDirED, SIGNAL(textChanged(QString)),
1404                 this, SIGNAL(changed()));
1405
1406         connect(templateDirPB, SIGNAL(clicked()), this, SLOT(selectTemplatedir()));
1407         connect(templateDirED, SIGNAL(textChanged(QString)),
1408                 this, SIGNAL(changed()));
1409
1410         connect(exampleDirPB, SIGNAL(clicked()), this, SLOT(selectExampledir()));
1411         connect(exampleDirED, SIGNAL(textChanged(QString)),
1412                 this, SIGNAL(changed()));
1413
1414         connect(backupDirPB, SIGNAL(clicked()), this, SLOT(selectBackupdir()));
1415         connect(backupDirED, SIGNAL(textChanged(QString)),
1416                 this, SIGNAL(changed()));
1417
1418         connect(lyxserverDirPB, SIGNAL(clicked()), this, SLOT(selectLyxPipe()));
1419         connect(lyxserverDirED, SIGNAL(textChanged(QString)),
1420                 this, SIGNAL(changed()));
1421
1422         connect(thesaurusDirPB, SIGNAL(clicked()), this, SLOT(selectThesaurusdir()));
1423         connect(thesaurusDirED, SIGNAL(textChanged(QString)),
1424                 this, SIGNAL(changed()));
1425
1426         connect(tempDirPB, SIGNAL(clicked()), this, SLOT(selectTempdir()));
1427         connect(tempDirED, SIGNAL(textChanged(QString)),
1428                 this, SIGNAL(changed()));
1429
1430 #if defined(USE_HUNSPELL)
1431         connect(hunspellDirPB, SIGNAL(clicked()), this, SLOT(selectHunspelldir()));
1432         connect(hunspellDirED, SIGNAL(textChanged(QString)),
1433                 this, SIGNAL(changed()));
1434 #else
1435         hunspellDirPB->setEnabled(false);
1436         hunspellDirED->setEnabled(false);
1437 #endif
1438
1439         connect(pathPrefixED, SIGNAL(textChanged(QString)),
1440                 this, SIGNAL(changed()));
1441
1442         connect(texinputsPrefixED, SIGNAL(textChanged(QString)),
1443                 this, SIGNAL(changed()));
1444
1445         pathPrefixED->setValidator(new NoNewLineValidator(pathPrefixED));
1446         texinputsPrefixED->setValidator(new NoNewLineValidator(texinputsPrefixED));
1447 }
1448
1449
1450 void PrefPaths::applyRC(LyXRC & rc) const
1451 {
1452         rc.document_path = internal_path(fromqstr(workingDirED->text()));
1453         rc.example_path = internal_path(fromqstr(exampleDirED->text()));
1454         rc.template_path = internal_path(fromqstr(templateDirED->text()));
1455         rc.backupdir_path = internal_path(fromqstr(backupDirED->text()));
1456         rc.tempdir_path = internal_path(fromqstr(tempDirED->text()));
1457         rc.thesaurusdir_path = internal_path(fromqstr(thesaurusDirED->text()));
1458         rc.hunspelldir_path = internal_path(fromqstr(hunspellDirED->text()));
1459         rc.path_prefix = internal_path_list(fromqstr(pathPrefixED->text()));
1460         rc.texinputs_prefix = internal_path_list(fromqstr(texinputsPrefixED->text()));
1461         // FIXME: should be a checkbox only
1462         rc.lyxpipes = internal_path(fromqstr(lyxserverDirED->text()));
1463 }
1464
1465
1466 void PrefPaths::updateRC(LyXRC const & rc)
1467 {
1468         workingDirED->setText(toqstr(external_path(rc.document_path)));
1469         exampleDirED->setText(toqstr(external_path(rc.example_path)));
1470         templateDirED->setText(toqstr(external_path(rc.template_path)));
1471         backupDirED->setText(toqstr(external_path(rc.backupdir_path)));
1472         tempDirED->setText(toqstr(external_path(rc.tempdir_path)));
1473         thesaurusDirED->setText(toqstr(external_path(rc.thesaurusdir_path)));
1474         hunspellDirED->setText(toqstr(external_path(rc.hunspelldir_path)));
1475         pathPrefixED->setText(toqstr(external_path_list(rc.path_prefix)));
1476         texinputsPrefixED->setText(toqstr(external_path_list(rc.texinputs_prefix)));
1477         // FIXME: should be a checkbox only
1478         lyxserverDirED->setText(toqstr(external_path(rc.lyxpipes)));
1479 }
1480
1481
1482 void PrefPaths::selectExampledir()
1483 {
1484         QString file = browseDir(internalPath(exampleDirED->text()),
1485                 qt_("Select directory for example files"));
1486         if (!file.isEmpty())
1487                 exampleDirED->setText(file);
1488 }
1489
1490
1491 void PrefPaths::selectTemplatedir()
1492 {
1493         QString file = browseDir(internalPath(templateDirED->text()),
1494                 qt_("Select a document templates directory"));
1495         if (!file.isEmpty())
1496                 templateDirED->setText(file);
1497 }
1498
1499
1500 void PrefPaths::selectTempdir()
1501 {
1502         QString file = browseDir(internalPath(tempDirED->text()),
1503                 qt_("Select a temporary directory"));
1504         if (!file.isEmpty())
1505                 tempDirED->setText(file);
1506 }
1507
1508
1509 void PrefPaths::selectBackupdir()
1510 {
1511         QString file = browseDir(internalPath(backupDirED->text()),
1512                 qt_("Select a backups directory"));
1513         if (!file.isEmpty())
1514                 backupDirED->setText(file);
1515 }
1516
1517
1518 void PrefPaths::selectWorkingdir()
1519 {
1520         QString file = browseDir(internalPath(workingDirED->text()),
1521                 qt_("Select a document directory"));
1522         if (!file.isEmpty())
1523                 workingDirED->setText(file);
1524 }
1525
1526
1527 void PrefPaths::selectThesaurusdir()
1528 {
1529         QString file = browseDir(internalPath(thesaurusDirED->text()),
1530                 qt_("Set the path to the thesaurus dictionaries"));
1531         if (!file.isEmpty())
1532                 thesaurusDirED->setText(file);
1533 }
1534
1535
1536 void PrefPaths::selectHunspelldir()
1537 {
1538         QString file = browseDir(internalPath(hunspellDirED->text()),
1539                 qt_("Set the path to the Hunspell dictionaries"));
1540         if (!file.isEmpty())
1541                 hunspellDirED->setText(file);
1542 }
1543
1544
1545 void PrefPaths::selectLyxPipe()
1546 {
1547         QString file = form_->browse(internalPath(lyxserverDirED->text()),
1548                 qt_("Give a filename for the LyX server pipe"));
1549         if (!file.isEmpty())
1550                 lyxserverDirED->setText(file);
1551 }
1552
1553
1554 /////////////////////////////////////////////////////////////////////
1555 //
1556 // PrefSpellchecker
1557 //
1558 /////////////////////////////////////////////////////////////////////
1559
1560 PrefSpellchecker::PrefSpellchecker(GuiPreferences * form)
1561         : PrefModule(catLanguage, N_("Spellchecker"), form)
1562 {
1563         setupUi(this);
1564
1565 // FIXME: this check should test the target platform (darwin)
1566 #if defined(USE_MACOSX_PACKAGING)
1567         spellcheckerCB->addItem(qt_("Native"), QString("native"));
1568 #define CONNECT_APPLESPELL
1569 #else
1570 #undef CONNECT_APPLESPELL
1571 #endif
1572 #if defined(USE_ASPELL)
1573         spellcheckerCB->addItem(qt_("Aspell"), QString("aspell"));
1574 #endif
1575 #if defined(USE_ENCHANT)
1576         spellcheckerCB->addItem(qt_("Enchant"), QString("enchant"));
1577 #endif
1578 #if defined(USE_HUNSPELL)
1579         spellcheckerCB->addItem(qt_("Hunspell"), QString("hunspell"));
1580 #endif
1581
1582         #if defined(CONNECT_APPLESPELL) || defined(USE_ASPELL) || defined(USE_ENCHANT) || defined(USE_HUNSPELL)
1583                 connect(spellcheckerCB, SIGNAL(currentIndexChanged(int)),
1584                         this, SIGNAL(changed()));
1585                 connect(altLanguageED, SIGNAL(textChanged(QString)),
1586                         this, SIGNAL(changed()));
1587                 connect(escapeCharactersED, SIGNAL(textChanged(QString)),
1588                         this, SIGNAL(changed()));
1589                 connect(compoundWordCB, SIGNAL(clicked()),
1590                         this, SIGNAL(changed()));
1591                 connect(spellcheckContinuouslyCB, SIGNAL(clicked()),
1592                         this, SIGNAL(changed()));
1593                 connect(spellcheckNotesCB, SIGNAL(clicked()),
1594                         this, SIGNAL(changed()));
1595
1596                 altLanguageED->setValidator(new NoNewLineValidator(altLanguageED));
1597                 escapeCharactersED->setValidator(new NoNewLineValidator(escapeCharactersED));
1598         #else
1599                 spellcheckerCB->setEnabled(false);
1600                 altLanguageED->setEnabled(false);
1601                 escapeCharactersED->setEnabled(false);
1602                 compoundWordCB->setEnabled(false);
1603                 spellcheckContinuouslyCB->setEnabled(false);
1604                 spellcheckNotesCB->setEnabled(false);
1605         #endif
1606 }
1607
1608
1609 void PrefSpellchecker::applyRC(LyXRC & rc) const
1610 {
1611         string const speller = fromqstr(spellcheckerCB->
1612                 itemData(spellcheckerCB->currentIndex()).toString());
1613         if (!speller.empty())
1614                 rc.spellchecker = speller;
1615         rc.spellchecker_alt_lang = fromqstr(altLanguageED->text());
1616         rc.spellchecker_esc_chars = fromqstr(escapeCharactersED->text());
1617         rc.spellchecker_accept_compound = compoundWordCB->isChecked();
1618         rc.spellcheck_continuously = spellcheckContinuouslyCB->isChecked();
1619         rc.spellcheck_notes = spellcheckNotesCB->isChecked();
1620 }
1621
1622
1623 void PrefSpellchecker::updateRC(LyXRC const & rc)
1624 {
1625         spellcheckerCB->setCurrentIndex(
1626                 spellcheckerCB->findData(toqstr(rc.spellchecker)));
1627         altLanguageED->setText(toqstr(rc.spellchecker_alt_lang));
1628         escapeCharactersED->setText(toqstr(rc.spellchecker_esc_chars));
1629         compoundWordCB->setChecked(rc.spellchecker_accept_compound);
1630         spellcheckContinuouslyCB->setChecked(rc.spellcheck_continuously);
1631         spellcheckNotesCB->setChecked(rc.spellcheck_notes);
1632 }
1633
1634
1635 void PrefSpellchecker::on_spellcheckerCB_currentIndexChanged(int index)
1636 {
1637         QString spellchecker = spellcheckerCB->itemData(index).toString();
1638
1639         compoundWordCB->setEnabled(spellchecker == QString("aspell"));
1640 }
1641
1642
1643
1644 /////////////////////////////////////////////////////////////////////
1645 //
1646 // PrefConverters
1647 //
1648 /////////////////////////////////////////////////////////////////////
1649
1650
1651 PrefConverters::PrefConverters(GuiPreferences * form)
1652         : PrefModule(catFiles, N_("Converters"), form)
1653 {
1654         setupUi(this);
1655
1656         connect(converterNewPB, SIGNAL(clicked()),
1657                 this, SLOT(updateConverter()));
1658         connect(converterRemovePB, SIGNAL(clicked()),
1659                 this, SLOT(removeConverter()));
1660         connect(converterModifyPB, SIGNAL(clicked()),
1661                 this, SLOT(updateConverter()));
1662         connect(convertersLW, SIGNAL(currentRowChanged(int)),
1663                 this, SLOT(switchConverter()));
1664         connect(converterFromCO, SIGNAL(activated(QString)),
1665                 this, SLOT(changeConverter()));
1666         connect(converterToCO, SIGNAL(activated(QString)),
1667                 this, SLOT(changeConverter()));
1668         connect(converterED, SIGNAL(textEdited(QString)),
1669                 this, SLOT(changeConverter()));
1670         connect(converterFlagED, SIGNAL(textEdited(QString)),
1671                 this, SLOT(changeConverter()));
1672         connect(converterNewPB, SIGNAL(clicked()),
1673                 this, SIGNAL(changed()));
1674         connect(converterRemovePB, SIGNAL(clicked()),
1675                 this, SIGNAL(changed()));
1676         connect(converterModifyPB, SIGNAL(clicked()),
1677                 this, SIGNAL(changed()));
1678         connect(maxAgeLE, SIGNAL(textEdited(QString)),
1679                 this, SIGNAL(changed()));
1680         connect(needauthForbiddenCB, SIGNAL(toggled(bool)),
1681                 this, SIGNAL(changed()));
1682         connect(needauthCB, SIGNAL(toggled(bool)),
1683                 this, SIGNAL(changed()));
1684
1685         converterED->setValidator(new NoNewLineValidator(converterED));
1686         converterFlagED->setValidator(new NoNewLineValidator(converterFlagED));
1687         maxAgeLE->setValidator(new QDoubleValidator(0, HUGE_VAL, 6, maxAgeLE));
1688         //converterDefGB->setFocusProxy(convertersLW);
1689 }
1690
1691
1692 void PrefConverters::applyRC(LyXRC & rc) const
1693 {
1694         rc.use_converter_cache = cacheCB->isChecked();
1695         rc.use_converter_needauth_forbidden = needauthForbiddenCB->isChecked();
1696         rc.use_converter_needauth = needauthCB->isChecked();
1697         rc.converter_cache_maxage = int(widgetToDouble(maxAgeLE) * 86400.0);
1698 }
1699
1700
1701 void PrefConverters::updateRC(LyXRC const & rc)
1702 {
1703         cacheCB->setChecked(rc.use_converter_cache);
1704         needauthForbiddenCB->setChecked(rc.use_converter_needauth_forbidden);
1705         needauthCB->setChecked(rc.use_converter_needauth);
1706         QString max_age;
1707         doubleToWidget(maxAgeLE, (double(rc.converter_cache_maxage) / 86400.0), 'g', 6);
1708         updateGui();
1709 }
1710
1711
1712 void PrefConverters::updateGui()
1713 {
1714         QString const pattern("%1 -> %2");
1715         form_->formats().sort();
1716         form_->converters().update(form_->formats());
1717         // save current selection
1718         QString current =
1719                 pattern
1720                 .arg(converterFromCO->currentText())
1721                 .arg(converterToCO->currentText());
1722
1723         converterFromCO->clear();
1724         converterToCO->clear();
1725
1726         for (Format const & f : form_->formats()) {
1727                 QString const name = toqstr(translateIfPossible(f.prettyname()));
1728                 converterFromCO->addItem(name);
1729                 converterToCO->addItem(name);
1730         }
1731
1732         // currentRowChanged(int) is also triggered when updating the listwidget
1733         // block signals to avoid unnecessary calls to switchConverter()
1734         convertersLW->blockSignals(true);
1735         convertersLW->clear();
1736
1737         for (Converter const & c : form_->converters()) {
1738                 QString const name =
1739                         pattern
1740                         .arg(toqstr(translateIfPossible(c.From()->prettyname())))
1741                         .arg(toqstr(translateIfPossible(c.To()->prettyname())));
1742                 int type = form_->converters().getNumber(c.From()->name(),
1743                                                          c.To()->name());
1744                 new QListWidgetItem(name, convertersLW, type);
1745         }
1746         convertersLW->sortItems(Qt::AscendingOrder);
1747         convertersLW->blockSignals(false);
1748
1749         // restore selection
1750         if (current != pattern.arg(QString()).arg(QString())) {
1751                 QList<QListWidgetItem *> const item =
1752                         convertersLW->findItems(current, Qt::MatchExactly);
1753                 if (!item.isEmpty())
1754                         convertersLW->setCurrentItem(item.at(0));
1755         }
1756
1757         // select first element if restoring failed
1758         if (convertersLW->currentRow() == -1)
1759                 convertersLW->setCurrentRow(0);
1760
1761         updateButtons();
1762 }
1763
1764
1765 void PrefConverters::switchConverter()
1766 {
1767         int const cnr = convertersLW->currentItem()->type();
1768         Converter const & c(form_->converters().get(cnr));
1769         converterFromCO->setCurrentIndex(form_->formats().getNumber(c.from()));
1770         converterToCO->setCurrentIndex(form_->formats().getNumber(c.to()));
1771         converterED->setText(toqstr(c.command()));
1772         converterFlagED->setText(toqstr(c.flags()));
1773
1774         updateButtons();
1775 }
1776
1777
1778 void PrefConverters::changeConverter()
1779 {
1780         updateButtons();
1781 }
1782
1783
1784 void PrefConverters::updateButtons()
1785 {
1786         if (form_->formats().empty())
1787                 return;
1788         Format const & from = form_->formats().get(converterFromCO->currentIndex());
1789         Format const & to = form_->formats().get(converterToCO->currentIndex());
1790         int const sel = form_->converters().getNumber(from.name(), to.name());
1791         bool const known = sel >= 0;
1792         bool const valid = !(converterED->text().isEmpty()
1793                 || from.name() == to.name());
1794
1795         string old_command;
1796         string old_flag;
1797
1798         if (convertersLW->count() > 0) {
1799                 int const cnr = convertersLW->currentItem()->type();
1800                 Converter const & c = form_->converters().get(cnr);
1801                 old_command = c.command();
1802                 old_flag = c.flags();
1803         }
1804
1805         string const new_command = fromqstr(converterED->text());
1806         string const new_flag = fromqstr(converterFlagED->text());
1807
1808         bool modified = (old_command != new_command || old_flag != new_flag);
1809
1810         converterModifyPB->setEnabled(valid && known && modified);
1811         converterNewPB->setEnabled(valid && !known);
1812         converterRemovePB->setEnabled(known);
1813
1814         maxAgeLE->setEnabled(cacheCB->isChecked());
1815         maxAgeLA->setEnabled(cacheCB->isChecked());
1816 }
1817
1818
1819 // FIXME: user must
1820 // specify unique from/to or it doesn't appear. This is really bad UI
1821 // this is why we can use the same function for both new and modify
1822 void PrefConverters::updateConverter()
1823 {
1824         Format const & from = form_->formats().get(converterFromCO->currentIndex());
1825         Format const & to = form_->formats().get(converterToCO->currentIndex());
1826         string const flags = fromqstr(converterFlagED->text());
1827         string const command = fromqstr(converterED->text());
1828
1829         Converter const * old =
1830                 form_->converters().getConverter(from.name(), to.name());
1831         form_->converters().add(from.name(), to.name(), command, flags);
1832
1833         if (!old)
1834                 form_->converters().updateLast(form_->formats());
1835
1836         updateGui();
1837
1838         // Remove all files created by this converter from the cache, since
1839         // the modified converter might create different files.
1840         ConverterCache::get().remove_all(from.name(), to.name());
1841 }
1842
1843
1844 void PrefConverters::removeConverter()
1845 {
1846         Format const & from = form_->formats().get(converterFromCO->currentIndex());
1847         Format const & to = form_->formats().get(converterToCO->currentIndex());
1848         form_->converters().erase(from.name(), to.name());
1849
1850         updateGui();
1851
1852         // Remove all files created by this converter from the cache, since
1853         // a possible new converter might create different files.
1854         ConverterCache::get().remove_all(from.name(), to.name());
1855 }
1856
1857
1858 void PrefConverters::on_cacheCB_stateChanged(int state)
1859 {
1860         maxAgeLE->setEnabled(state == Qt::Checked);
1861         maxAgeLA->setEnabled(state == Qt::Checked);
1862         changed();
1863 }
1864
1865
1866 void PrefConverters::on_needauthForbiddenCB_toggled(bool checked)
1867 {
1868         needauthCB->setEnabled(!checked);
1869 }
1870
1871
1872 /////////////////////////////////////////////////////////////////////
1873 //
1874 // FormatValidator
1875 //
1876 /////////////////////////////////////////////////////////////////////
1877
1878 class FormatValidator : public QValidator
1879 {
1880 public:
1881         FormatValidator(QWidget *, Formats const & f);
1882         void fixup(QString & input) const;
1883         QValidator::State validate(QString & input, int & pos) const;
1884 private:
1885         virtual QString toString(Format const & format) const = 0;
1886         int nr() const;
1887         Formats const & formats_;
1888 };
1889
1890
1891 FormatValidator::FormatValidator(QWidget * parent, Formats const & f)
1892         : QValidator(parent), formats_(f)
1893 {
1894 }
1895
1896
1897 void FormatValidator::fixup(QString & input) const
1898 {
1899         Formats::const_iterator cit = formats_.begin();
1900         Formats::const_iterator end = formats_.end();
1901         for (; cit != end; ++cit) {
1902                 QString const name = toString(*cit);
1903                 if (distance(formats_.begin(), cit) == nr()) {
1904                         input = name;
1905                         return;
1906                 }
1907         }
1908 }
1909
1910
1911 QValidator::State FormatValidator::validate(QString & input, int & /*pos*/) const
1912 {
1913         Formats::const_iterator cit = formats_.begin();
1914         Formats::const_iterator end = formats_.end();
1915         bool unknown = true;
1916         for (; unknown && cit != end; ++cit) {
1917                 QString const name = toString(*cit);
1918                 if (distance(formats_.begin(), cit) != nr())
1919                         unknown = name != input;
1920         }
1921
1922         if (unknown && !input.isEmpty())
1923                 return QValidator::Acceptable;
1924         else
1925                 return QValidator::Intermediate;
1926 }
1927
1928
1929 int FormatValidator::nr() const
1930 {
1931         QComboBox * p = qobject_cast<QComboBox *>(parent());
1932         return p->itemData(p->currentIndex()).toInt();
1933 }
1934
1935
1936 /////////////////////////////////////////////////////////////////////
1937 //
1938 // FormatNameValidator
1939 //
1940 /////////////////////////////////////////////////////////////////////
1941
1942 class FormatNameValidator : public FormatValidator
1943 {
1944 public:
1945         FormatNameValidator(QWidget * parent, Formats const & f)
1946                 : FormatValidator(parent, f)
1947         {}
1948 private:
1949         QString toString(Format const & format) const
1950         {
1951                 return toqstr(format.name());
1952         }
1953 };
1954
1955
1956 /////////////////////////////////////////////////////////////////////
1957 //
1958 // FormatPrettynameValidator
1959 //
1960 /////////////////////////////////////////////////////////////////////
1961
1962 class FormatPrettynameValidator : public FormatValidator
1963 {
1964 public:
1965         FormatPrettynameValidator(QWidget * parent, Formats const & f)
1966                 : FormatValidator(parent, f)
1967         {}
1968 private:
1969         QString toString(Format const & format) const
1970         {
1971                 return toqstr(translateIfPossible(format.prettyname()));
1972         }
1973 };
1974
1975
1976 /////////////////////////////////////////////////////////////////////
1977 //
1978 // PrefFileformats
1979 //
1980 /////////////////////////////////////////////////////////////////////
1981
1982 PrefFileformats::PrefFileformats(GuiPreferences * form)
1983         : PrefModule(catFiles, N_("File Formats"), form)
1984 {
1985         setupUi(this);
1986
1987         formatED->setValidator(new FormatNameValidator(formatsCB, form_->formats()));
1988         formatsCB->setValidator(new FormatPrettynameValidator(formatsCB, form_->formats()));
1989         extensionsED->setValidator(new NoNewLineValidator(extensionsED));
1990         shortcutED->setValidator(new NoNewLineValidator(shortcutED));
1991         editorED->setValidator(new NoNewLineValidator(editorED));
1992         viewerED->setValidator(new NoNewLineValidator(viewerED));
1993         copierED->setValidator(new NoNewLineValidator(copierED));
1994
1995         connect(documentCB, SIGNAL(clicked()),
1996                 this, SLOT(setFlags()));
1997         connect(vectorCB, SIGNAL(clicked()),
1998                 this, SLOT(setFlags()));
1999         connect(exportMenuCB, SIGNAL(clicked()),
2000                 this, SLOT(setFlags()));
2001         connect(formatsCB->lineEdit(), SIGNAL(editingFinished()),
2002                 this, SLOT(updatePrettyname()));
2003         connect(formatsCB->lineEdit(), SIGNAL(textEdited(QString)),
2004                 this, SIGNAL(changed()));
2005         connect(defaultFormatCB, SIGNAL(activated(QString)),
2006                 this, SIGNAL(changed()));
2007         connect(defaultOTFFormatCB, SIGNAL(activated(QString)),
2008                 this, SIGNAL(changed()));
2009         connect(viewerCO, SIGNAL(activated(int)),
2010                 this, SIGNAL(changed()));
2011         connect(editorCO, SIGNAL(activated(int)),
2012                 this, SIGNAL(changed()));
2013 }
2014
2015
2016 namespace {
2017
2018 string const l10n_shortcut(docstring const & prettyname, string const & shortcut)
2019 {
2020         if (shortcut.empty())
2021                 return string();
2022
2023         string l10n_format =
2024                 to_utf8(_(to_utf8(prettyname) + '|' + shortcut));
2025         return split(l10n_format, '|');
2026 }
2027
2028 } // namespace anon
2029
2030
2031 void PrefFileformats::applyRC(LyXRC & rc) const
2032 {
2033         QString const default_format = defaultFormatCB->itemData(
2034                 defaultFormatCB->currentIndex()).toString();
2035         rc.default_view_format = fromqstr(default_format);
2036         QString const default_otf_format = defaultOTFFormatCB->itemData(
2037                 defaultOTFFormatCB->currentIndex()).toString();
2038         rc.default_otf_view_format = fromqstr(default_otf_format);
2039 }
2040
2041
2042 void PrefFileformats::updateRC(LyXRC const & rc)
2043 {
2044         viewer_alternatives = rc.viewer_alternatives;
2045         editor_alternatives = rc.editor_alternatives;
2046         bool const init = defaultFormatCB->currentText().isEmpty();
2047         updateView();
2048         if (init) {
2049                 int pos =
2050                         defaultFormatCB->findData(toqstr(rc.default_view_format));
2051                 defaultFormatCB->setCurrentIndex(pos);
2052                 pos = defaultOTFFormatCB->findData(toqstr(rc.default_otf_view_format));
2053                                 defaultOTFFormatCB->setCurrentIndex(pos);
2054                 defaultOTFFormatCB->setCurrentIndex(pos);
2055         }
2056 }
2057
2058
2059 void PrefFileformats::updateView()
2060 {
2061         QString const current = formatsCB->currentText();
2062         QString const current_def = defaultFormatCB->currentText();
2063         QString const current_def_otf = defaultOTFFormatCB->currentText();
2064
2065         // update comboboxes with formats
2066         formatsCB->blockSignals(true);
2067         defaultFormatCB->blockSignals(true);
2068         defaultOTFFormatCB->blockSignals(true);
2069         formatsCB->clear();
2070         defaultFormatCB->clear();
2071         defaultOTFFormatCB->clear();
2072         form_->formats().sort();
2073         for (Format const & f : form_->formats()) {
2074                 QString const prettyname = toqstr(translateIfPossible(f.prettyname()));
2075                 formatsCB->addItem(prettyname,
2076                                    QVariant(form_->formats().getNumber(f.name())));
2077                 if (f.viewer().empty())
2078                         continue;
2079                 if (form_->converters().isReachable("xhtml", f.name())
2080                     || form_->converters().isReachable("dviluatex", f.name())
2081                     || form_->converters().isReachable("luatex", f.name())
2082                     || form_->converters().isReachable("xetex", f.name())) {
2083                         defaultFormatCB->addItem(prettyname,
2084                                         QVariant(toqstr(f.name())));
2085                         defaultOTFFormatCB->addItem(prettyname,
2086                                         QVariant(toqstr(f.name())));
2087                 } else if (form_->converters().isReachable("latex", f.name())
2088                            || form_->converters().isReachable("pdflatex", f.name()))
2089                         defaultFormatCB->addItem(prettyname,
2090                                         QVariant(toqstr(f.name())));
2091         }
2092
2093         // restore selections
2094         int item = formatsCB->findText(current, Qt::MatchExactly);
2095         formatsCB->setCurrentIndex(item < 0 ? 0 : item);
2096         on_formatsCB_currentIndexChanged(item < 0 ? 0 : item);
2097         item = defaultFormatCB->findText(current_def, Qt::MatchExactly);
2098         defaultFormatCB->setCurrentIndex(item < 0 ? 0 : item);
2099         item = defaultOTFFormatCB->findText(current_def_otf, Qt::MatchExactly);
2100         defaultOTFFormatCB->setCurrentIndex(item < 0 ? 0 : item);
2101         formatsCB->blockSignals(false);
2102         defaultFormatCB->blockSignals(false);
2103         defaultOTFFormatCB->blockSignals(false);
2104 }
2105
2106
2107 void PrefFileformats::on_formatsCB_currentIndexChanged(int i)
2108 {
2109         if (form_->formats().empty())
2110                 return;
2111         int const nr = formatsCB->itemData(i).toInt();
2112         Format const f = form_->formats().get(nr);
2113
2114         formatED->setText(toqstr(f.name()));
2115         copierED->setText(toqstr(form_->movers().command(f.name())));
2116         extensionsED->setText(toqstr(f.extensions()));
2117         mimeED->setText(toqstr(f.mime()));
2118         shortcutED->setText(
2119                 toqstr(l10n_shortcut(f.prettyname(), f.shortcut())));
2120         documentCB->setChecked((f.documentFormat()));
2121         vectorCB->setChecked((f.vectorFormat()));
2122         exportMenuCB->setChecked((f.inExportMenu()));
2123         exportMenuCB->setEnabled((f.documentFormat()));
2124         updateViewers();
2125         updateEditors();
2126 }
2127
2128
2129 void PrefFileformats::setFlags()
2130 {
2131         int flags = Format::none;
2132         if (documentCB->isChecked())
2133                 flags |= Format::document;
2134         if (vectorCB->isChecked())
2135                 flags |= Format::vector;
2136         if (exportMenuCB->isChecked())
2137                 flags |= Format::export_menu;
2138         currentFormat().setFlags(flags);
2139         exportMenuCB->setEnabled(documentCB->isChecked());
2140         changed();
2141 }
2142
2143
2144 void PrefFileformats::on_copierED_textEdited(const QString & s)
2145 {
2146         string const fmt = fromqstr(formatED->text());
2147         form_->movers().set(fmt, fromqstr(s));
2148         changed();
2149 }
2150
2151
2152 void PrefFileformats::on_extensionsED_textEdited(const QString & s)
2153 {
2154         currentFormat().setExtensions(fromqstr(s));
2155         changed();
2156 }
2157
2158
2159 void PrefFileformats::on_viewerED_textEdited(const QString & s)
2160 {
2161         currentFormat().setViewer(fromqstr(s));
2162         changed();
2163 }
2164
2165
2166 void PrefFileformats::on_editorED_textEdited(const QString & s)
2167 {
2168         currentFormat().setEditor(fromqstr(s));
2169         changed();
2170 }
2171
2172
2173 void PrefFileformats::on_mimeED_textEdited(const QString & s)
2174 {
2175         currentFormat().setMime(fromqstr(s));
2176         changed();
2177 }
2178
2179
2180 void PrefFileformats::on_shortcutED_textEdited(const QString & s)
2181 {
2182         string const new_shortcut = fromqstr(s);
2183         if (new_shortcut == l10n_shortcut(currentFormat().prettyname(),
2184                                           currentFormat().shortcut()))
2185                 return;
2186         currentFormat().setShortcut(new_shortcut);
2187         changed();
2188 }
2189
2190
2191 void PrefFileformats::on_formatED_editingFinished()
2192 {
2193         string const newname = fromqstr(formatED->displayText());
2194         string const oldname = currentFormat().name();
2195         if (newname == oldname)
2196                 return;
2197         if (form_->converters().formatIsUsed(oldname)) {
2198                 Alert::error(_("Format in use"),
2199                              _("You cannot change a format's short name "
2200                                "if the format is used by a converter. "
2201                                "Please remove the converter first."));
2202                 updateView();
2203                 return;
2204         }
2205
2206         currentFormat().setName(newname);
2207         changed();
2208 }
2209
2210
2211 void PrefFileformats::on_formatED_textChanged(const QString &)
2212 {
2213         QString t = formatED->text();
2214         int p = 0;
2215         bool valid = formatED->validator()->validate(t, p) == QValidator::Acceptable;
2216         setValid(formatLA, valid);
2217 }
2218
2219
2220 void PrefFileformats::on_formatsCB_editTextChanged(const QString &)
2221 {
2222         QString t = formatsCB->currentText();
2223         int p = 0;
2224         bool valid = formatsCB->validator()->validate(t, p) == QValidator::Acceptable;
2225         setValid(formatsLA, valid);
2226 }
2227
2228
2229 void PrefFileformats::updatePrettyname()
2230 {
2231         QString const newname = formatsCB->currentText();
2232         if (newname == toqstr(translateIfPossible(currentFormat().prettyname())))
2233                 return;
2234
2235         currentFormat().setPrettyname(qstring_to_ucs4(newname));
2236         formatsChanged();
2237         updateView();
2238         changed();
2239 }
2240
2241
2242 namespace {
2243         void updateComboBox(LyXRC::Alternatives const & alts,
2244                             string const & fmt, QComboBox * combo)
2245         {
2246                 LyXRC::Alternatives::const_iterator it =
2247                                 alts.find(fmt);
2248                 if (it != alts.end()) {
2249                         LyXRC::CommandSet const & cmds = it->second;
2250                         LyXRC::CommandSet::const_iterator sit =
2251                                         cmds.begin();
2252                         LyXRC::CommandSet::const_iterator const sen =
2253                                         cmds.end();
2254                         for (; sit != sen; ++sit) {
2255                                 QString const qcmd = toqstr(*sit);
2256                                 combo->addItem(qcmd, qcmd);
2257                         }
2258                 }
2259         }
2260 }
2261
2262
2263 void PrefFileformats::updateViewers()
2264 {
2265         Format const f = currentFormat();
2266         viewerCO->blockSignals(true);
2267         viewerCO->clear();
2268         viewerCO->addItem(qt_("None"), QString());
2269         updateComboBox(viewer_alternatives, f.name(), viewerCO);
2270         viewerCO->addItem(qt_("Custom"), QString("custom viewer"));
2271         viewerCO->blockSignals(false);
2272
2273         int pos = viewerCO->findData(toqstr(f.viewer()));
2274         if (pos != -1) {
2275                 viewerED->clear();
2276                 viewerED->setEnabled(false);
2277                 viewerCO->setCurrentIndex(pos);
2278         } else {
2279                 viewerED->setEnabled(true);
2280                 viewerED->setText(toqstr(f.viewer()));
2281                 viewerCO->setCurrentIndex(viewerCO->findData(toqstr("custom viewer")));
2282         }
2283 }
2284
2285
2286 void PrefFileformats::updateEditors()
2287 {
2288         Format const f = currentFormat();
2289         editorCO->blockSignals(true);
2290         editorCO->clear();
2291         editorCO->addItem(qt_("None"), QString());
2292         updateComboBox(editor_alternatives, f.name(), editorCO);
2293         editorCO->addItem(qt_("Custom"), QString("custom editor"));
2294         editorCO->blockSignals(false);
2295
2296         int pos = editorCO->findData(toqstr(f.editor()));
2297         if (pos != -1) {
2298                 editorED->clear();
2299                 editorED->setEnabled(false);
2300                 editorCO->setCurrentIndex(pos);
2301         } else {
2302                 editorED->setEnabled(true);
2303                 editorED->setText(toqstr(f.editor()));
2304                 editorCO->setCurrentIndex(editorCO->findData(toqstr("custom editor")));
2305         }
2306 }
2307
2308
2309 void PrefFileformats::on_viewerCO_currentIndexChanged(int i)
2310 {
2311         bool const custom = viewerCO->itemData(i).toString() == "custom viewer";
2312         viewerED->setEnabled(custom);
2313         if (!custom)
2314                 currentFormat().setViewer(fromqstr(viewerCO->itemData(i).toString()));
2315 }
2316
2317
2318 void PrefFileformats::on_editorCO_currentIndexChanged(int i)
2319 {
2320         bool const custom = editorCO->itemData(i).toString() == "custom editor";
2321         editorED->setEnabled(custom);
2322         if (!custom)
2323                 currentFormat().setEditor(fromqstr(editorCO->itemData(i).toString()));
2324 }
2325
2326
2327 Format & PrefFileformats::currentFormat()
2328 {
2329         int const i = formatsCB->currentIndex();
2330         int const nr = formatsCB->itemData(i).toInt();
2331         return form_->formats().get(nr);
2332 }
2333
2334
2335 void PrefFileformats::on_formatNewPB_clicked()
2336 {
2337         form_->formats().add("", "", docstring(), "", "", "", "", Format::none);
2338         updateView();
2339         formatsCB->setCurrentIndex(0);
2340         formatsCB->setFocus(Qt::OtherFocusReason);
2341 }
2342
2343
2344 void PrefFileformats::on_formatRemovePB_clicked()
2345 {
2346         int const i = formatsCB->currentIndex();
2347         int const nr = formatsCB->itemData(i).toInt();
2348         string const current_text = form_->formats().get(nr).name();
2349         if (form_->converters().formatIsUsed(current_text)) {
2350                 Alert::error(_("Format in use"),
2351                              _("Cannot remove a Format used by a Converter. "
2352                                             "Remove the converter first."));
2353                 return;
2354         }
2355
2356         form_->formats().erase(current_text);
2357         formatsChanged();
2358         updateView();
2359         on_formatsCB_editTextChanged(formatsCB->currentText());
2360         changed();
2361 }
2362
2363
2364 /////////////////////////////////////////////////////////////////////
2365 //
2366 // PrefLanguage
2367 //
2368 /////////////////////////////////////////////////////////////////////
2369
2370 PrefLanguage::PrefLanguage(GuiPreferences * form)
2371         : PrefModule(catLanguage, N_("Language"), form)
2372 {
2373         setupUi(this);
2374
2375         connect(visualCursorRB, SIGNAL(clicked()),
2376                 this, SIGNAL(changed()));
2377         connect(logicalCursorRB, SIGNAL(clicked()),
2378                 this, SIGNAL(changed()));
2379         connect(markForeignCB, SIGNAL(clicked()),
2380                 this, SIGNAL(changed()));
2381         connect(autoBeginCB, SIGNAL(clicked()),
2382                 this, SIGNAL(changed()));
2383         connect(autoEndCB, SIGNAL(clicked()),
2384                 this, SIGNAL(changed()));
2385         connect(languagePackageCO, SIGNAL(activated(int)),
2386                 this, SIGNAL(changed()));
2387         connect(languagePackageED, SIGNAL(textChanged(QString)),
2388                 this, SIGNAL(changed()));
2389         connect(globalCB, SIGNAL(clicked()),
2390                 this, SIGNAL(changed()));
2391         connect(startCommandED, SIGNAL(textChanged(QString)),
2392                 this, SIGNAL(changed()));
2393         connect(endCommandED, SIGNAL(textChanged(QString)),
2394                 this, SIGNAL(changed()));
2395         connect(uiLanguageCO, SIGNAL(activated(int)),
2396                 this, SIGNAL(changed()));
2397         connect(defaultDecimalPointLE, SIGNAL(textChanged(QString)),
2398                 this, SIGNAL(changed()));
2399         connect(defaultLengthUnitCO, SIGNAL(activated(int)),
2400                 this, SIGNAL(changed()));
2401
2402         languagePackageED->setValidator(new NoNewLineValidator(languagePackageED));
2403         startCommandED->setValidator(new NoNewLineValidator(startCommandED));
2404         endCommandED->setValidator(new NoNewLineValidator(endCommandED));
2405
2406         defaultDecimalPointLE->setInputMask("X; ");
2407         defaultDecimalPointLE->setMaxLength(1);
2408
2409         defaultLengthUnitCO->addItem(lyx::qt_(unit_name_gui[Length::CM]), Length::CM);
2410         defaultLengthUnitCO->addItem(lyx::qt_(unit_name_gui[Length::IN]), Length::IN);
2411
2412         QAbstractItemModel * language_model = guiApp->languageModel();
2413         language_model->sort(0);
2414         uiLanguageCO->blockSignals(true);
2415         uiLanguageCO->clear();
2416         uiLanguageCO->addItem(qt_("Default"), toqstr("auto"));
2417         for (int i = 0; i != language_model->rowCount(); ++i) {
2418                 QModelIndex index = language_model->index(i, 0);
2419                 // Filter the list based on the available translation and add
2420                 // each language code only once
2421                 string const name = fromqstr(index.data(Qt::UserRole).toString());
2422                 Language const * lang = languages.getLanguage(name);
2423                 if (!lang)
2424                         continue;
2425                 // never remove the currently selected language
2426                 if (name != form->rc().gui_language
2427                     && name != lyxrc.gui_language
2428                     && (!Messages::available(lang->code())
2429                         || !lang->hasGuiSupport()))
2430                         continue;
2431                 uiLanguageCO->addItem(index.data(Qt::DisplayRole).toString(),
2432                                       index.data(Qt::UserRole).toString());
2433         }
2434         uiLanguageCO->blockSignals(false);
2435 }
2436
2437
2438 void PrefLanguage::on_uiLanguageCO_currentIndexChanged(int)
2439 {
2440          QMessageBox::information(this, qt_("LyX needs to be restarted!"),
2441                  qt_("The change of user interface language will be fully "
2442                  "effective only after a restart."));
2443 }
2444
2445
2446 void PrefLanguage::on_languagePackageCO_currentIndexChanged(int i)
2447 {
2448          languagePackageED->setEnabled(i == 2);
2449 }
2450
2451
2452 void PrefLanguage::applyRC(LyXRC & rc) const
2453 {
2454         rc.visual_cursor = visualCursorRB->isChecked();
2455         rc.mark_foreign_language = markForeignCB->isChecked();
2456         rc.language_auto_begin = autoBeginCB->isChecked();
2457         rc.language_auto_end = autoEndCB->isChecked();
2458         int const p = languagePackageCO->currentIndex();
2459         if (p == 0)
2460                 rc.language_package_selection = LyXRC::LP_AUTO;
2461         else if (p == 1)
2462                 rc.language_package_selection = LyXRC::LP_BABEL;
2463         else if (p == 2)
2464                 rc.language_package_selection = LyXRC::LP_CUSTOM;
2465         else if (p == 3)
2466                 rc.language_package_selection = LyXRC::LP_NONE;
2467         rc.language_custom_package = fromqstr(languagePackageED->text());
2468         rc.language_global_options = globalCB->isChecked();
2469         rc.language_command_begin = fromqstr(startCommandED->text());
2470         rc.language_command_end = fromqstr(endCommandED->text());
2471         rc.gui_language = fromqstr(
2472                 uiLanguageCO->itemData(uiLanguageCO->currentIndex()).toString());
2473         rc.default_decimal_point = fromqstr(defaultDecimalPointLE->text());
2474         rc.default_length_unit = (Length::UNIT) defaultLengthUnitCO->itemData(defaultLengthUnitCO->currentIndex()).toInt();
2475 }
2476
2477
2478 void PrefLanguage::updateRC(LyXRC const & rc)
2479 {
2480         if (rc.visual_cursor)
2481                 visualCursorRB->setChecked(true);
2482         else
2483                 logicalCursorRB->setChecked(true);
2484         markForeignCB->setChecked(rc.mark_foreign_language);
2485         autoBeginCB->setChecked(rc.language_auto_begin);
2486         autoEndCB->setChecked(rc.language_auto_end);
2487         languagePackageCO->setCurrentIndex(rc.language_package_selection);
2488         languagePackageED->setText(toqstr(rc.language_custom_package));
2489         languagePackageED->setEnabled(languagePackageCO->currentIndex() == 2);
2490         globalCB->setChecked(rc.language_global_options);
2491         startCommandED->setText(toqstr(rc.language_command_begin));
2492         endCommandED->setText(toqstr(rc.language_command_end));
2493         defaultDecimalPointLE->setText(toqstr(rc.default_decimal_point));
2494         int pos = defaultLengthUnitCO->findData(int(rc.default_length_unit));
2495         defaultLengthUnitCO->setCurrentIndex(pos);
2496
2497         pos = uiLanguageCO->findData(toqstr(rc.gui_language));
2498         uiLanguageCO->blockSignals(true);
2499         uiLanguageCO->setCurrentIndex(pos);
2500         uiLanguageCO->blockSignals(false);
2501 }
2502
2503
2504 /////////////////////////////////////////////////////////////////////
2505 //
2506 // PrefUserInterface
2507 //
2508 /////////////////////////////////////////////////////////////////////
2509
2510 PrefUserInterface::PrefUserInterface(GuiPreferences * form)
2511         : PrefModule(catLookAndFeel, N_("User Interface"), form)
2512 {
2513         setupUi(this);
2514
2515         connect(uiFilePB, SIGNAL(clicked()),
2516                 this, SLOT(selectUi()));
2517         connect(uiFileED, SIGNAL(textChanged(QString)),
2518                 this, SIGNAL(changed()));
2519         connect(iconSetCO, SIGNAL(activated(int)),
2520                 this, SIGNAL(changed()));
2521         connect(useSystemThemeIconsCB, SIGNAL(clicked()),
2522                 this, SIGNAL(changed()));
2523         connect(lastfilesSB, SIGNAL(valueChanged(int)),
2524                 this, SIGNAL(changed()));
2525         connect(tooltipCB, SIGNAL(toggled(bool)),
2526                 this, SIGNAL(changed()));
2527         lastfilesSB->setMaximum(maxlastfiles);
2528
2529         iconSetCO->addItem(qt_("Default"), QString());
2530         iconSetCO->addItem(qt_("Classic"), "classic");
2531         iconSetCO->addItem(qt_("Oxygen"), "oxygen");
2532
2533 #if (!(defined Q_WS_X11 || defined(QPA_XCB)) || QT_VERSION < 0x040600)
2534         useSystemThemeIconsCB->hide();
2535 #endif
2536 }
2537
2538
2539 void PrefUserInterface::applyRC(LyXRC & rc) const
2540 {
2541         rc.icon_set = fromqstr(iconSetCO->itemData(
2542                 iconSetCO->currentIndex()).toString());
2543
2544         rc.ui_file = internal_path(fromqstr(uiFileED->text()));
2545         rc.use_system_theme_icons = useSystemThemeIconsCB->isChecked();
2546         rc.num_lastfiles = lastfilesSB->value();
2547         rc.use_tooltip = tooltipCB->isChecked();
2548 }
2549
2550
2551 void PrefUserInterface::updateRC(LyXRC const & rc)
2552 {
2553         int iconset = iconSetCO->findData(toqstr(rc.icon_set));
2554         if (iconset < 0)
2555                 iconset = 0;
2556         iconSetCO->setCurrentIndex(iconset);
2557         useSystemThemeIconsCB->setChecked(rc.use_system_theme_icons);
2558         uiFileED->setText(toqstr(external_path(rc.ui_file)));
2559         lastfilesSB->setValue(rc.num_lastfiles);
2560         tooltipCB->setChecked(rc.use_tooltip);
2561 }
2562
2563
2564 void PrefUserInterface::selectUi()
2565 {
2566         QString file = form_->browseUI(internalPath(uiFileED->text()));
2567         if (!file.isEmpty())
2568                 uiFileED->setText(file);
2569 }
2570
2571
2572 /////////////////////////////////////////////////////////////////////
2573 //
2574 // PrefDocumentHandling
2575 //
2576 /////////////////////////////////////////////////////////////////////
2577
2578 PrefDocHandling::PrefDocHandling(GuiPreferences * form)
2579         : PrefModule(catLookAndFeel, N_("Document Handling"), form)
2580 {
2581         setupUi(this);
2582
2583         connect(autoSaveCB, SIGNAL(toggled(bool)),
2584                 autoSaveSB, SLOT(setEnabled(bool)));
2585         connect(autoSaveCB, SIGNAL(toggled(bool)),
2586                 TextLabel1, SLOT(setEnabled(bool)));
2587         connect(openDocumentsInTabsCB, SIGNAL(clicked()),
2588                 this, SIGNAL(changed()));
2589         connect(singleInstanceCB, SIGNAL(clicked()),
2590                 this, SIGNAL(changed()));
2591         connect(singleCloseTabButtonCB, SIGNAL(clicked()),
2592                 this, SIGNAL(changed()));
2593         connect(closeLastViewCO, SIGNAL(activated(int)),
2594                 this, SIGNAL(changed()));
2595         connect(restoreCursorCB, SIGNAL(clicked()),
2596                 this, SIGNAL(changed()));
2597         connect(loadSessionCB, SIGNAL(clicked()),
2598                 this, SIGNAL(changed()));
2599         connect(allowGeometrySessionCB, SIGNAL(clicked()),
2600                 this, SIGNAL(changed()));
2601         connect(autoSaveSB, SIGNAL(valueChanged(int)),
2602                 this, SIGNAL(changed()));
2603         connect(autoSaveCB, SIGNAL(clicked()),
2604                 this, SIGNAL(changed()));
2605         connect(backupCB, SIGNAL(clicked()),
2606                 this, SIGNAL(changed()));
2607         connect(saveCompressedCB, SIGNAL(clicked()),
2608                 this, SIGNAL(changed()));
2609         connect(saveOriginCB, SIGNAL(clicked()),
2610                 this, SIGNAL(changed()));
2611 }
2612
2613
2614 void PrefDocHandling::applyRC(LyXRC & rc) const
2615 {
2616         rc.use_lastfilepos = restoreCursorCB->isChecked();
2617         rc.load_session = loadSessionCB->isChecked();
2618         rc.allow_geometry_session = allowGeometrySessionCB->isChecked();
2619         rc.autosave = autoSaveCB->isChecked() ?  autoSaveSB->value() * 60 : 0;
2620         rc.make_backup = backupCB->isChecked();
2621         rc.save_compressed = saveCompressedCB->isChecked();
2622         rc.save_origin = saveOriginCB->isChecked();
2623         rc.open_buffers_in_tabs = openDocumentsInTabsCB->isChecked();
2624         rc.single_instance = singleInstanceCB->isChecked();
2625         rc.single_close_tab_button = singleCloseTabButtonCB->isChecked();
2626
2627         switch (closeLastViewCO->currentIndex()) {
2628         case 0:
2629                 rc.close_buffer_with_last_view = "yes";
2630                 break;
2631         case 1:
2632                 rc.close_buffer_with_last_view = "no";
2633                 break;
2634         case 2:
2635                 rc.close_buffer_with_last_view = "ask";
2636                 break;
2637         default:
2638                 ;
2639         }
2640 }
2641
2642
2643 void PrefDocHandling::updateRC(LyXRC const & rc)
2644 {
2645         restoreCursorCB->setChecked(rc.use_lastfilepos);
2646         loadSessionCB->setChecked(rc.load_session);
2647         allowGeometrySessionCB->setChecked(rc.allow_geometry_session);
2648         // convert to minutes
2649         bool autosave = rc.autosave > 0;
2650         int mins = rc.autosave / 60;
2651         if (!mins)
2652                 mins = 5;
2653         autoSaveSB->setValue(mins);
2654         autoSaveCB->setChecked(autosave);
2655         autoSaveSB->setEnabled(autosave);
2656         backupCB->setChecked(rc.make_backup);
2657         saveCompressedCB->setChecked(rc.save_compressed);
2658         saveOriginCB->setChecked(rc.save_origin);
2659         openDocumentsInTabsCB->setChecked(rc.open_buffers_in_tabs);
2660         singleInstanceCB->setChecked(rc.single_instance && !rc.lyxpipes.empty());
2661         singleInstanceCB->setEnabled(!rc.lyxpipes.empty());
2662         singleCloseTabButtonCB->setChecked(rc.single_close_tab_button);
2663         if (rc.close_buffer_with_last_view == "yes")
2664                 closeLastViewCO->setCurrentIndex(0);
2665         else if (rc.close_buffer_with_last_view == "no")
2666                 closeLastViewCO->setCurrentIndex(1);
2667         else if (rc.close_buffer_with_last_view == "ask")
2668                 closeLastViewCO->setCurrentIndex(2);
2669 }
2670
2671
2672 void PrefDocHandling::on_clearSessionPB_clicked()
2673 {
2674         guiApp->clearSession();
2675 }
2676
2677
2678
2679 /////////////////////////////////////////////////////////////////////
2680 //
2681 // PrefEdit
2682 //
2683 /////////////////////////////////////////////////////////////////////
2684
2685 PrefEdit::PrefEdit(GuiPreferences * form)
2686         : PrefModule(catEditing, N_("Control"), form)
2687 {
2688         setupUi(this);
2689
2690         connect(cursorFollowsCB, SIGNAL(clicked()),
2691                 this, SIGNAL(changed()));
2692         connect(scrollBelowCB, SIGNAL(clicked()),
2693                 this, SIGNAL(changed()));
2694         connect(macLikeCursorMovementCB, SIGNAL(clicked()),
2695                 this, SIGNAL(changed()));
2696         connect(sortEnvironmentsCB, SIGNAL(clicked()),
2697                 this, SIGNAL(changed()));
2698         connect(groupEnvironmentsCB, SIGNAL(clicked()),
2699                 this, SIGNAL(changed()));
2700         connect(macroEditStyleCO, SIGNAL(activated(int)),
2701                 this, SIGNAL(changed()));
2702         connect(cursorWidthSB, SIGNAL(valueChanged(int)),
2703                 this, SIGNAL(changed()));
2704         connect(fullscreenLimitGB, SIGNAL(clicked()),
2705                 this, SIGNAL(changed()));
2706         connect(fullscreenWidthSB, SIGNAL(valueChanged(int)),
2707                 this, SIGNAL(changed()));
2708         connect(toggleTabbarCB, SIGNAL(toggled(bool)),
2709                 this, SIGNAL(changed()));
2710         connect(toggleMenubarCB, SIGNAL(toggled(bool)),
2711                 this, SIGNAL(changed()));
2712         connect(toggleScrollbarCB, SIGNAL(toggled(bool)),
2713                 this, SIGNAL(changed()));
2714         connect(toggleStatusbarCB, SIGNAL(toggled(bool)),
2715                 this, SIGNAL(changed()));
2716         connect(toggleToolbarsCB, SIGNAL(toggled(bool)),
2717                 this, SIGNAL(changed()));
2718 }
2719
2720
2721 void PrefEdit::applyRC(LyXRC & rc) const
2722 {
2723         rc.cursor_follows_scrollbar = cursorFollowsCB->isChecked();
2724         rc.scroll_below_document = scrollBelowCB->isChecked();
2725         rc.mac_like_cursor_movement = macLikeCursorMovementCB->isChecked();
2726         rc.sort_layouts = sortEnvironmentsCB->isChecked();
2727         rc.group_layouts = groupEnvironmentsCB->isChecked();
2728         switch (macroEditStyleCO->currentIndex()) {
2729                 case 0: rc.macro_edit_style = LyXRC::MACRO_EDIT_INLINE_BOX; break;
2730                 case 1: rc.macro_edit_style = LyXRC::MACRO_EDIT_INLINE; break;
2731                 case 2: rc.macro_edit_style = LyXRC::MACRO_EDIT_LIST;   break;
2732         }
2733         rc.cursor_width = cursorWidthSB->value();
2734         rc.full_screen_toolbars = toggleToolbarsCB->isChecked();
2735         rc.full_screen_scrollbar = toggleScrollbarCB->isChecked();
2736         rc.full_screen_statusbar = toggleStatusbarCB->isChecked();
2737         rc.full_screen_tabbar = toggleTabbarCB->isChecked();
2738         rc.full_screen_menubar = toggleMenubarCB->isChecked();
2739         rc.full_screen_width = fullscreenWidthSB->value();
2740         rc.full_screen_limit = fullscreenLimitGB->isChecked();
2741 }
2742
2743
2744 void PrefEdit::updateRC(LyXRC const & rc)
2745 {
2746         cursorFollowsCB->setChecked(rc.cursor_follows_scrollbar);
2747         scrollBelowCB->setChecked(rc.scroll_below_document);
2748         macLikeCursorMovementCB->setChecked(rc.mac_like_cursor_movement);
2749         sortEnvironmentsCB->setChecked(rc.sort_layouts);
2750         groupEnvironmentsCB->setChecked(rc.group_layouts);
2751         macroEditStyleCO->setCurrentIndex(rc.macro_edit_style);
2752         cursorWidthSB->setValue(rc.cursor_width);
2753         toggleScrollbarCB->setChecked(rc.full_screen_scrollbar);
2754         toggleStatusbarCB->setChecked(rc.full_screen_statusbar);
2755         toggleToolbarsCB->setChecked(rc.full_screen_toolbars);
2756         toggleTabbarCB->setChecked(rc.full_screen_tabbar);
2757         toggleMenubarCB->setChecked(rc.full_screen_menubar);
2758         fullscreenWidthSB->setValue(rc.full_screen_width);
2759         fullscreenLimitGB->setChecked(rc.full_screen_limit);
2760 }
2761
2762
2763 /////////////////////////////////////////////////////////////////////
2764 //
2765 // PrefShortcuts
2766 //
2767 /////////////////////////////////////////////////////////////////////
2768
2769
2770 GuiShortcutDialog::GuiShortcutDialog(QWidget * parent) : QDialog(parent)
2771 {
2772         Ui::shortcutUi::setupUi(this);
2773         QDialog::setModal(true);
2774 }
2775
2776
2777 PrefShortcuts::PrefShortcuts(GuiPreferences * form)
2778         : PrefModule(catEditing, N_("Shortcuts"), form),
2779           editItem_(0), mathItem_(0), bufferItem_(0), layoutItem_(0),
2780           systemItem_(0)
2781 {
2782         setupUi(this);
2783
2784         shortcutsTW->setColumnCount(2);
2785         shortcutsTW->headerItem()->setText(0, qt_("Function"));
2786         shortcutsTW->headerItem()->setText(1, qt_("Shortcut"));
2787         shortcutsTW->setSortingEnabled(true);
2788         // Multi-selection can be annoying.
2789         // shortcutsTW->setSelectionMode(QAbstractItemView::MultiSelection);
2790
2791         connect(bindFilePB, SIGNAL(clicked()),
2792                 this, SLOT(selectBind()));
2793         connect(bindFileED, SIGNAL(textChanged(QString)),
2794                 this, SIGNAL(changed()));
2795
2796         shortcut_ = new GuiShortcutDialog(this);
2797         shortcut_bc_.setPolicy(ButtonPolicy::OkCancelPolicy);
2798         shortcut_bc_.setOK(shortcut_->okPB);
2799         shortcut_bc_.setCancel(shortcut_->cancelPB);
2800
2801         connect(shortcut_->okPB, SIGNAL(clicked()),
2802                 this, SIGNAL(changed()));
2803         connect(shortcut_->cancelPB, SIGNAL(clicked()),
2804                 shortcut_, SLOT(reject()));
2805         connect(shortcut_->clearPB, SIGNAL(clicked()),
2806                 this, SLOT(shortcutClearPressed()));
2807         connect(shortcut_->removePB, SIGNAL(clicked()),
2808                 this, SLOT(shortcutRemovePressed()));
2809         connect(shortcut_->okPB, SIGNAL(clicked()),
2810                 this, SLOT(shortcutOkPressed()));
2811         connect(shortcut_->cancelPB, SIGNAL(clicked()),
2812                 this, SLOT(shortcutCancelPressed()));
2813 }
2814
2815
2816 void PrefShortcuts::applyRC(LyXRC & rc) const
2817 {
2818         rc.bind_file = internal_path(fromqstr(bindFileED->text()));
2819         // write user_bind and user_unbind to .lyx/bind/user.bind
2820         FileName bind_dir(addPath(package().user_support().absFileName(), "bind"));
2821         if (!bind_dir.exists() && !bind_dir.createDirectory(0777)) {
2822                 lyxerr << "LyX could not create the user bind directory '"
2823                        << bind_dir << "'. All user-defined key bindings will be lost." << endl;
2824                 return;
2825         }
2826         if (!bind_dir.isDirWritable()) {
2827                 lyxerr << "LyX could not write to the user bind directory '"
2828                        << bind_dir << "'. All user-defined key bindings will be lost." << endl;
2829                 return;
2830         }
2831         FileName user_bind_file(bind_dir.absFileName() + "/user.bind");
2832         user_unbind_.write(user_bind_file.toFilesystemEncoding(), false, true);
2833         user_bind_.write(user_bind_file.toFilesystemEncoding(), true, false);
2834         // immediately apply the keybindings. Why this is not done before?
2835         // The good thing is that the menus are updated automatically.
2836         theTopLevelKeymap().clear();
2837         theTopLevelKeymap().read("site");
2838         theTopLevelKeymap().read(rc.bind_file, 0, KeyMap::Fallback);
2839         theTopLevelKeymap().read("user", 0, KeyMap::MissingOK);
2840 }
2841
2842
2843 void PrefShortcuts::updateRC(LyXRC const & rc)
2844 {
2845         bindFileED->setText(toqstr(external_path(rc.bind_file)));
2846         //
2847         system_bind_.clear();
2848         user_bind_.clear();
2849         user_unbind_.clear();
2850         system_bind_.read("site");
2851         system_bind_.read(rc.bind_file);
2852         // \unbind in user.bind is added to user_unbind_
2853         user_bind_.read("user", &user_unbind_, KeyMap::MissingOK);
2854         updateShortcutsTW();
2855 }
2856
2857
2858 void PrefShortcuts::updateShortcutsTW()
2859 {
2860         shortcutsTW->clear();
2861
2862         editItem_ = new QTreeWidgetItem(shortcutsTW);
2863         editItem_->setText(0, qt_("Cursor, Mouse and Editing Functions"));
2864         editItem_->setFlags(editItem_->flags() & ~Qt::ItemIsSelectable);
2865
2866         mathItem_ = new QTreeWidgetItem(shortcutsTW);
2867         mathItem_->setText(0, qt_("Mathematical Symbols"));
2868         mathItem_->setFlags(mathItem_->flags() & ~Qt::ItemIsSelectable);
2869
2870         bufferItem_ = new QTreeWidgetItem(shortcutsTW);
2871         bufferItem_->setText(0, qt_("Document and Window"));
2872         bufferItem_->setFlags(bufferItem_->flags() & ~Qt::ItemIsSelectable);
2873
2874         layoutItem_ = new QTreeWidgetItem(shortcutsTW);
2875         layoutItem_->setText(0, qt_("Font, Layouts and Textclasses"));
2876         layoutItem_->setFlags(layoutItem_->flags() & ~Qt::ItemIsSelectable);
2877
2878         systemItem_ = new QTreeWidgetItem(shortcutsTW);
2879         systemItem_->setText(0, qt_("System and Miscellaneous"));
2880         systemItem_->setFlags(systemItem_->flags() & ~Qt::ItemIsSelectable);
2881
2882         // listBindings(unbound=true) lists all bound and unbound lfuns
2883         // Items in this list is tagged by its source.
2884         KeyMap::BindingList bindinglist = system_bind_.listBindings(true,
2885                 KeyMap::System);
2886         KeyMap::BindingList user_bindinglist = user_bind_.listBindings(false,
2887                 KeyMap::UserBind);
2888         KeyMap::BindingList user_unbindinglist = user_unbind_.listBindings(false,
2889                 KeyMap::UserUnbind);
2890         bindinglist.insert(bindinglist.end(), user_bindinglist.begin(),
2891                         user_bindinglist.end());
2892         bindinglist.insert(bindinglist.end(), user_unbindinglist.begin(),
2893                         user_unbindinglist.end());
2894
2895         KeyMap::BindingList::const_iterator it = bindinglist.begin();
2896         KeyMap::BindingList::const_iterator it_end = bindinglist.end();
2897         for (; it != it_end; ++it)
2898                 insertShortcutItem(it->request, it->sequence, it->tag);
2899
2900         shortcutsTW->sortItems(0, Qt::AscendingOrder);
2901         on_shortcutsTW_itemSelectionChanged();
2902         on_searchLE_textEdited();
2903         shortcutsTW->resizeColumnToContents(0);
2904 }
2905
2906
2907 //static
2908 KeyMap::ItemType PrefShortcuts::itemType(QTreeWidgetItem & item)
2909 {
2910         return static_cast<KeyMap::ItemType>(item.data(0, Qt::UserRole).toInt());
2911 }
2912
2913
2914 //static
2915 bool PrefShortcuts::isAlwaysHidden(QTreeWidgetItem & item)
2916 {
2917         // Hide rebound system settings that are empty
2918         return itemType(item) == KeyMap::UserUnbind && item.text(1).isEmpty();
2919 }
2920
2921
2922 void PrefShortcuts::setItemType(QTreeWidgetItem * item, KeyMap::ItemType tag)
2923 {
2924         item->setData(0, Qt::UserRole, QVariant(tag));
2925         QFont font;
2926
2927         switch (tag) {
2928         case KeyMap::System:
2929                 break;
2930         case KeyMap::UserBind:
2931                 font.setBold(true);
2932                 break;
2933         case KeyMap::UserUnbind:
2934                 font.setStrikeOut(true);
2935                 break;
2936         // this item is not displayed now.
2937         case KeyMap::UserExtraUnbind:
2938                 font.setStrikeOut(true);
2939                 break;
2940         }
2941         item->setHidden(isAlwaysHidden(*item));
2942         item->setFont(1, font);
2943 }
2944
2945
2946 QTreeWidgetItem * PrefShortcuts::insertShortcutItem(FuncRequest const & lfun,
2947                 KeySequence const & seq, KeyMap::ItemType tag)
2948 {
2949         FuncCode const action = lfun.action();
2950         string const action_name = lyxaction.getActionName(action);
2951         QString const lfun_name = toqstr(from_utf8(action_name)
2952                         + ' ' + lfun.argument());
2953         QString const shortcut = toqstr(seq.print(KeySequence::ForGui));
2954
2955         QTreeWidgetItem * newItem = 0;
2956         // for unbind items, try to find an existing item in the system bind list
2957         if (tag == KeyMap::UserUnbind) {
2958                 QList<QTreeWidgetItem*> const items = shortcutsTW->findItems(lfun_name,
2959                         Qt::MatchFlags(Qt::MatchExactly | Qt::MatchRecursive), 0);
2960                 for (int i = 0; i < items.size(); ++i) {
2961                         if (items[i]->text(1) == shortcut) {
2962                                 newItem = items[i];
2963                                 break;
2964                         }
2965                 }
2966                 // if not found, this unbind item is KeyMap::UserExtraUnbind
2967                 // Such an item is not displayed to avoid confusion (what is
2968                 // unmatched removed?).
2969                 if (!newItem) {
2970                         return 0;
2971                 }
2972         }
2973         if (!newItem) {
2974                 switch(lyxaction.getActionType(action)) {
2975                 case LyXAction::Hidden:
2976                         return 0;
2977                 case LyXAction::Edit:
2978                         newItem = new QTreeWidgetItem(editItem_);
2979                         break;
2980                 case LyXAction::Math:
2981                         newItem = new QTreeWidgetItem(mathItem_);
2982                         break;
2983                 case LyXAction::Buffer:
2984                         newItem = new QTreeWidgetItem(bufferItem_);
2985                         break;
2986                 case LyXAction::Layout:
2987                         newItem = new QTreeWidgetItem(layoutItem_);
2988                         break;
2989                 case LyXAction::System:
2990                         newItem = new QTreeWidgetItem(systemItem_);
2991                         break;
2992                 default:
2993                         // this should not happen
2994                         newItem = new QTreeWidgetItem(shortcutsTW);
2995                 }
2996         }
2997
2998         newItem->setText(0, lfun_name);
2999         newItem->setText(1, shortcut);
3000         // record BindFile representation to recover KeySequence when needed.
3001         newItem->setData(1, Qt::UserRole, toqstr(seq.print(KeySequence::BindFile)));
3002         setItemType(newItem, tag);
3003         return newItem;
3004 }
3005
3006
3007 void PrefShortcuts::on_shortcutsTW_itemSelectionChanged()
3008 {
3009         QList<QTreeWidgetItem*> items = shortcutsTW->selectedItems();
3010         removePB->setEnabled(!items.isEmpty() && !items[0]->text(1).isEmpty());
3011         modifyPB->setEnabled(!items.isEmpty());
3012         if (items.isEmpty())
3013                 return;
3014
3015         if (itemType(*items[0]) == KeyMap::UserUnbind)
3016                 removePB->setText(qt_("Res&tore"));
3017         else
3018                 removePB->setText(qt_("Remo&ve"));
3019 }
3020
3021
3022 void PrefShortcuts::on_shortcutsTW_itemDoubleClicked()
3023 {
3024         modifyShortcut();
3025 }
3026
3027
3028 void PrefShortcuts::modifyShortcut()
3029 {
3030         QTreeWidgetItem * item = shortcutsTW->currentItem();
3031         if (item->flags() & Qt::ItemIsSelectable) {
3032                 shortcut_->lfunLE->setText(item->text(0));
3033                 save_lfun_ = item->text(0).trimmed();
3034                 shortcut_->shortcutWG->setText(item->text(1));
3035                 KeySequence seq;
3036                 seq.parse(fromqstr(item->data(1, Qt::UserRole).toString()));
3037                 shortcut_->shortcutWG->setKeySequence(seq);
3038                 shortcut_->shortcutWG->setFocus();
3039                 shortcut_->exec();
3040         }
3041 }
3042
3043
3044 void PrefShortcuts::unhideEmpty(QString const & lfun, bool select)
3045 {
3046         // list of items that match lfun
3047         QList<QTreeWidgetItem*> items = shortcutsTW->findItems(lfun,
3048              Qt::MatchFlags(Qt::MatchExactly | Qt::MatchRecursive), 0);
3049         for (int i = 0; i < items.size(); ++i) {
3050                 QTreeWidgetItem * item = items[i];
3051                 if (isAlwaysHidden(*item)) {
3052                         setItemType(item, KeyMap::System);
3053                         if (select)
3054                                 shortcutsTW->setCurrentItem(item);
3055                         return;
3056                 }
3057         }
3058 }
3059
3060
3061 void PrefShortcuts::removeShortcut()
3062 {
3063         // it seems that only one item can be selected, but I am
3064         // removing all selected items anyway.
3065         QList<QTreeWidgetItem*> items = shortcutsTW->selectedItems();
3066         for (int i = 0; i < items.size(); ++i) {
3067                 string shortcut = fromqstr(items[i]->data(1, Qt::UserRole).toString());
3068                 string lfun = fromqstr(items[i]->text(0));
3069                 FuncRequest func = lyxaction.lookupFunc(lfun);
3070
3071                 switch (itemType(*items[i])) {
3072                 case KeyMap::System: {
3073                         // for system bind, we do not touch the item
3074                         // but add an user unbind item
3075                         user_unbind_.bind(shortcut, func);
3076                         setItemType(items[i], KeyMap::UserUnbind);
3077                         removePB->setText(qt_("Res&tore"));
3078                         break;
3079                 }
3080                 case KeyMap::UserBind: {
3081                         // for user_bind, we remove this bind
3082                         QTreeWidgetItem * parent = items[i]->parent();
3083                         int itemIdx = parent->indexOfChild(items[i]);
3084                         parent->takeChild(itemIdx);
3085                         if (itemIdx > 0)
3086                                 shortcutsTW->scrollToItem(parent->child(itemIdx - 1));
3087                         else
3088                                 shortcutsTW->scrollToItem(parent);
3089                         user_bind_.unbind(shortcut, func);
3090                         // If this user binding hid an empty system binding, unhide the
3091                         // latter and select it.
3092                         unhideEmpty(items[i]->text(0), true);
3093                         break;
3094                 }
3095                 case KeyMap::UserUnbind: {
3096                         // for user_unbind, we remove the unbind, and the item
3097                         // become KeyMap::System again.
3098                         KeySequence seq;
3099                         seq.parse(shortcut);
3100                         // Ask the user to replace current binding
3101                         if (!validateNewShortcut(func, seq, QString()))
3102                                 break;
3103                         user_unbind_.unbind(shortcut, func);
3104                         setItemType(items[i], KeyMap::System);
3105                         removePB->setText(qt_("Remo&ve"));
3106                         break;
3107                 }
3108                 case KeyMap::UserExtraUnbind: {
3109                         // for user unbind that is not in system bind file,
3110                         // remove this unbind file
3111                         QTreeWidgetItem * parent = items[i]->parent();
3112                         parent->takeChild(parent->indexOfChild(items[i]));
3113                         user_unbind_.unbind(shortcut, func);
3114                 }
3115                 }
3116         }
3117 }
3118
3119
3120 void PrefShortcuts::deactivateShortcuts(QList<QTreeWidgetItem*> const & items)
3121 {
3122         for (int i = 0; i < items.size(); ++i) {
3123                 string shortcut = fromqstr(items[i]->data(1, Qt::UserRole).toString());
3124                 string lfun = fromqstr(items[i]->text(0));
3125                 FuncRequest func = lyxaction.lookupFunc(lfun);
3126
3127                 switch (itemType(*items[i])) {
3128                 case KeyMap::System:
3129                         // for system bind, we do not touch the item
3130                         // but add an user unbind item
3131                         user_unbind_.bind(shortcut, func);
3132                         setItemType(items[i], KeyMap::UserUnbind);
3133                         break;
3134
3135                 case KeyMap::UserBind: {
3136                         // for user_bind, we remove this bind
3137                         QTreeWidgetItem * parent = items[i]->parent();
3138                         int itemIdx = parent->indexOfChild(items[i]);
3139                         parent->takeChild(itemIdx);
3140                         user_bind_.unbind(shortcut, func);
3141                         unhideEmpty(items[i]->text(0), false);
3142                         break;
3143                 }
3144                 default:
3145                         break;
3146                 }
3147         }
3148 }
3149
3150
3151 void PrefShortcuts::selectBind()
3152 {
3153         QString file = form_->browsebind(internalPath(bindFileED->text()));
3154         if (!file.isEmpty()) {
3155                 bindFileED->setText(file);
3156                 system_bind_ = KeyMap();
3157                 system_bind_.read(fromqstr(file));
3158                 updateShortcutsTW();
3159         }
3160 }
3161
3162
3163 void PrefShortcuts::on_modifyPB_pressed()
3164 {
3165         modifyShortcut();
3166 }
3167
3168
3169 void PrefShortcuts::on_newPB_pressed()
3170 {
3171         shortcut_->lfunLE->clear();
3172         shortcut_->shortcutWG->reset();
3173         save_lfun_ = QString();
3174         shortcut_->exec();
3175 }
3176
3177
3178 void PrefShortcuts::on_removePB_pressed()
3179 {
3180         changed();
3181         removeShortcut();
3182 }
3183
3184
3185 void PrefShortcuts::on_searchLE_textEdited()
3186 {
3187         if (searchLE->text().isEmpty()) {
3188                 // show all hidden items
3189                 QTreeWidgetItemIterator it(shortcutsTW, QTreeWidgetItemIterator::Hidden);
3190                 for (; *it; ++it)
3191                         shortcutsTW->setItemHidden(*it, isAlwaysHidden(**it));
3192                 // close all categories
3193                 for (int i = 0; i < shortcutsTW->topLevelItemCount(); ++i)
3194                         shortcutsTW->collapseItem(shortcutsTW->topLevelItem(i));
3195                 return;
3196         }
3197         // search both columns
3198         QList<QTreeWidgetItem *> matched = shortcutsTW->findItems(searchLE->text(),
3199                 Qt::MatchFlags(Qt::MatchContains | Qt::MatchRecursive), 0);
3200         matched += shortcutsTW->findItems(searchLE->text(),
3201                 Qt::MatchFlags(Qt::MatchContains | Qt::MatchRecursive), 1);
3202
3203         // hide everyone (to avoid searching in matched QList repeatedly
3204         QTreeWidgetItemIterator it(shortcutsTW, QTreeWidgetItemIterator::Selectable);
3205         while (*it)
3206                 shortcutsTW->setItemHidden(*it++, true);
3207         // show matched items
3208         for (int i = 0; i < matched.size(); ++i)
3209                 if (!isAlwaysHidden(*matched[i])) {
3210                         shortcutsTW->setItemHidden(matched[i], false);
3211                         shortcutsTW->setItemExpanded(matched[i]->parent(), true);
3212                 }
3213 }
3214
3215
3216 docstring makeCmdString(FuncRequest const & f)
3217 {
3218         docstring actionStr = from_ascii(lyxaction.getActionName(f.action()));
3219         if (!f.argument().empty())
3220                 actionStr += " " + f.argument();
3221         return actionStr;
3222 }
3223
3224
3225 FuncRequest PrefShortcuts::currentBinding(KeySequence const & k)
3226 {
3227         FuncRequest res = user_bind_.getBinding(k);
3228         if (res.action() != LFUN_UNKNOWN_ACTION)
3229                 return res;
3230         res = system_bind_.getBinding(k);
3231         // Check if it is unbound. Note: user_unbind_ can only unbind one
3232         // FuncRequest per key sequence.
3233         if (user_unbind_.getBinding(k) == res)
3234                 return FuncRequest::unknown;
3235         return res;
3236 }
3237
3238
3239 bool PrefShortcuts::validateNewShortcut(FuncRequest const & func,
3240                                         KeySequence const & k,
3241                                         QString const & lfun_to_modify)
3242 {
3243         if (func.action() == LFUN_UNKNOWN_ACTION) {
3244                 Alert::error(_("Failed to create shortcut"),
3245                         _("Unknown or invalid LyX function"));
3246                 return false;
3247         }
3248
3249         // It is not currently possible to bind Hidden lfuns such as self-insert. In
3250         // the future, to remove this limitation, see GuiPrefs::insertShortcutItem
3251         // and how it is used in GuiPrefs::shortcutOkPressed.
3252         if (lyxaction.getActionType(func.action()) == LyXAction::Hidden) {
3253                 Alert::error(_("Failed to create shortcut"),
3254                         _("This LyX function is hidden and cannot be bound."));
3255                 return false;
3256         }
3257
3258         if (k.length() == 0) {
3259                 Alert::error(_("Failed to create shortcut"),
3260                         _("Invalid or empty key sequence"));
3261                 return false;
3262         }
3263
3264         FuncRequest oldBinding = currentBinding(k);
3265         if (oldBinding == func)
3266                 // nothing to change
3267                 return false;
3268
3269         // make sure this key isn't already bound---and, if so, prompt user
3270         // (exclude the lfun the user already wants to modify)
3271         docstring const action_string = makeCmdString(oldBinding);
3272         if (oldBinding.action() != LFUN_UNKNOWN_ACTION
3273             && lfun_to_modify != toqstr(action_string)) {
3274                 docstring const new_action_string = makeCmdString(func);
3275                 docstring const text = bformat(_("Shortcut `%1$s' is already bound to "
3276                                                  "%2$s.\n"
3277                                                  "Are you sure you want to unbind the "
3278                                                  "current shortcut and bind it to %3$s?"),
3279                                                k.print(KeySequence::ForGui), action_string,
3280                                                new_action_string);
3281                 int ret = Alert::prompt(_("Redefine shortcut?"),
3282                                         text, 0, 1, _("&Redefine"), _("&Cancel"));
3283                 if (ret != 0)
3284                         return false;
3285                 QString const sequence_text = toqstr(k.print(KeySequence::ForGui));
3286                 QList<QTreeWidgetItem*> items = shortcutsTW->findItems(sequence_text,
3287                         Qt::MatchFlags(Qt::MatchExactly | Qt::MatchRecursive), 1);
3288                 deactivateShortcuts(items);
3289         }
3290         return true;
3291 }
3292
3293
3294 void PrefShortcuts::shortcutOkPressed()
3295 {
3296         QString const new_lfun = shortcut_->lfunLE->text();
3297         FuncRequest func = lyxaction.lookupFunc(fromqstr(new_lfun));
3298         KeySequence k = shortcut_->shortcutWG->getKeySequence();
3299
3300         // save_lfun_ contains the text of the lfun to modify, if the user clicked
3301         // "modify", or is empty if they clicked "new" (which I do not really like)
3302         if (!validateNewShortcut(func, k, save_lfun_))
3303                 return;
3304
3305         if (!save_lfun_.isEmpty()) {
3306                 // real modification of the lfun's shortcut,
3307                 // so remove the previous one
3308                 QList<QTreeWidgetItem*> to_modify = shortcutsTW->selectedItems();
3309                 deactivateShortcuts(to_modify);
3310         }
3311
3312         shortcut_->accept();
3313
3314         QTreeWidgetItem * item = insertShortcutItem(func, k, KeyMap::UserBind);
3315         if (item) {
3316                 user_bind_.bind(&k, func);
3317                 shortcutsTW->sortItems(0, Qt::AscendingOrder);
3318                 shortcutsTW->setItemExpanded(item->parent(), true);
3319                 shortcutsTW->setCurrentItem(item);
3320                 shortcutsTW->scrollToItem(item);
3321         } else {
3322                 Alert::error(_("Failed to create shortcut"),
3323                         _("Can not insert shortcut to the list"));
3324                 return;
3325         }
3326 }
3327
3328
3329 void PrefShortcuts::shortcutCancelPressed()
3330 {
3331         shortcut_->shortcutWG->reset();
3332 }
3333
3334
3335 void PrefShortcuts::shortcutClearPressed()
3336 {
3337         shortcut_->shortcutWG->reset();
3338 }
3339
3340
3341 void PrefShortcuts::shortcutRemovePressed()
3342 {
3343         shortcut_->shortcutWG->removeFromSequence();
3344 }
3345
3346
3347 /////////////////////////////////////////////////////////////////////
3348 //
3349 // PrefIdentity
3350 //
3351 /////////////////////////////////////////////////////////////////////
3352
3353 PrefIdentity::PrefIdentity(GuiPreferences * form)
3354         : PrefModule(QString(), N_("Identity"), form)
3355 {
3356         setupUi(this);
3357
3358         connect(nameED, SIGNAL(textChanged(QString)),
3359                 this, SIGNAL(changed()));
3360         connect(emailED, SIGNAL(textChanged(QString)),
3361                 this, SIGNAL(changed()));
3362
3363         nameED->setValidator(new NoNewLineValidator(nameED));
3364         emailED->setValidator(new NoNewLineValidator(emailED));
3365 }
3366
3367
3368 void PrefIdentity::applyRC(LyXRC & rc) const
3369 {
3370         rc.user_name = fromqstr(nameED->text());
3371         rc.user_email = fromqstr(emailED->text());
3372 }
3373
3374
3375 void PrefIdentity::updateRC(LyXRC const & rc)
3376 {
3377         nameED->setText(toqstr(rc.user_name));
3378         emailED->setText(toqstr(rc.user_email));
3379 }
3380
3381
3382
3383 /////////////////////////////////////////////////////////////////////
3384 //
3385 // GuiPreferences
3386 //
3387 /////////////////////////////////////////////////////////////////////
3388
3389 GuiPreferences::GuiPreferences(GuiView & lv)
3390         : GuiDialog(lv, "prefs", qt_("Preferences")), update_screen_font_(false),
3391           update_previews_(false)
3392 {
3393         setupUi(this);
3394
3395         QDialog::setModal(false);
3396
3397         connect(savePB, SIGNAL(clicked()), this, SLOT(slotOK()));
3398         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
3399         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
3400         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
3401
3402         addModule(new PrefUserInterface(this));
3403         addModule(new PrefDocHandling(this));
3404         addModule(new PrefEdit(this));
3405         addModule(new PrefShortcuts(this));
3406         PrefScreenFonts * screenfonts = new PrefScreenFonts(this);
3407         connect(this, SIGNAL(prefsApplied(LyXRC const &)),
3408                         screenfonts, SLOT(updateScreenFontSizes(LyXRC const &)));
3409         addModule(screenfonts);
3410         addModule(new PrefColors(this));
3411         addModule(new PrefDisplay(this));
3412         addModule(new PrefInput(this));
3413         addModule(new PrefCompletion(this));
3414
3415         addModule(new PrefPaths(this));
3416
3417         addModule(new PrefIdentity(this));
3418
3419         addModule(new PrefLanguage(this));
3420         addModule(new PrefSpellchecker(this));
3421
3422         //for strftime validator
3423         PrefOutput * output = new PrefOutput(this);
3424         addModule(output);
3425         addModule(new PrefLatex(this));
3426
3427         PrefConverters * converters = new PrefConverters(this);
3428         PrefFileformats * formats = new PrefFileformats(this);
3429         connect(formats, SIGNAL(formatsChanged()),
3430                         converters, SLOT(updateGui()));
3431         addModule(converters);
3432         addModule(formats);
3433
3434         prefsPS->setCurrentPanel("User Interface");
3435 // FIXME: hack to work around resizing bug in Qt >= 4.2
3436 // bug verified with Qt 4.2.{0-3} (JSpitzm)
3437 #if QT_VERSION >= 0x040200
3438         prefsPS->updateGeometry();
3439 #endif
3440
3441         bc().setPolicy(ButtonPolicy::PreferencesPolicy);
3442         bc().setOK(savePB);
3443         bc().setApply(applyPB);
3444         bc().setCancel(closePB);
3445         bc().setRestore(restorePB);
3446
3447         // initialize the strftime validator
3448         bc().addCheckedLineEdit(output->DateED);
3449 }
3450
3451
3452 void GuiPreferences::addModule(PrefModule * module)
3453 {
3454         LASSERT(module, return);
3455         if (module->category().isEmpty())
3456                 prefsPS->addPanel(module, module->title());
3457         else
3458                 prefsPS->addPanel(module, module->title(), module->category());
3459         connect(module, SIGNAL(changed()), this, SLOT(change_adaptor()));
3460         modules_.push_back(module);
3461 }
3462
3463
3464 void GuiPreferences::change_adaptor()
3465 {
3466         changed();
3467 }
3468
3469
3470 void GuiPreferences::applyRC(LyXRC & rc) const
3471 {
3472         size_t end = modules_.size();
3473         for (size_t i = 0; i != end; ++i)
3474                 modules_[i]->applyRC(rc);
3475 }
3476
3477
3478 void GuiPreferences::updateRC(LyXRC const & rc)
3479 {
3480         size_t const end = modules_.size();
3481         for (size_t i = 0; i != end; ++i)
3482                 modules_[i]->updateRC(rc);
3483 }
3484
3485
3486 void GuiPreferences::applyView()
3487 {
3488         applyRC(rc());
3489 }
3490
3491
3492 bool GuiPreferences::initialiseParams(string const &)
3493 {
3494         rc_ = lyxrc;
3495         formats_ = theFormats();
3496         converters_ = theConverters();
3497         converters_.update(formats_);
3498         movers_ = theMovers();
3499         colors_.clear();
3500         update_screen_font_ = false;
3501         update_previews_ = false;
3502
3503         updateRC(rc_);
3504         // Make sure that the bc is in the INITIAL state
3505         if (bc().policy().buttonStatus(ButtonPolicy::RESTORE))
3506                 bc().restore();
3507
3508         return true;
3509 }
3510
3511
3512 void GuiPreferences::dispatchParams()
3513 {
3514         ostringstream ss;
3515         rc_.write(ss, true);
3516         dispatch(FuncRequest(LFUN_LYXRC_APPLY, ss.str()));
3517         // issue prefsApplied signal. This will update the
3518         // localized screen font sizes.
3519         prefsApplied(rc_);
3520         // FIXME: these need lfuns
3521         // FIXME UNICODE
3522         Author const & author =
3523                 Author(from_utf8(rc_.user_name), from_utf8(rc_.user_email));
3524         theBufferList().recordCurrentAuthor(author);
3525
3526         theFormats() = formats_;
3527
3528         theConverters() = converters_;
3529         theConverters().update(formats_);
3530         theConverters().buildGraph();
3531         theBufferList().invalidateConverterCache();
3532         
3533         theMovers() = movers_;
3534
3535         vector<string>::const_iterator it = colors_.begin();
3536         vector<string>::const_iterator const end = colors_.end();
3537         for (; it != end; ++it)
3538                 dispatch(FuncRequest(LFUN_SET_COLOR, *it));
3539         colors_.clear();
3540
3541         if (update_screen_font_) {
3542                 dispatch(FuncRequest(LFUN_SCREEN_FONT_UPDATE));
3543                 // resets flag in case second apply in same dialog
3544                 update_screen_font_ = false;
3545         }
3546
3547         if (update_previews_) {
3548                 // resets flag in case second apply in same dialog
3549                 theBufferList().updatePreviews();
3550                 update_previews_ = false;
3551         }
3552
3553         // The Save button has been pressed
3554         if (isClosing())
3555                 dispatch(FuncRequest(LFUN_PREFERENCES_SAVE));
3556 }
3557
3558
3559 void GuiPreferences::setColor(ColorCode col, QString const & hex)
3560 {
3561         colors_.push_back(lcolor.getLyXName(col) + ' ' + fromqstr(hex));
3562 }
3563
3564
3565 void GuiPreferences::updateScreenFonts()
3566 {
3567         update_screen_font_ = true;
3568 }
3569
3570
3571 void GuiPreferences::updatePreviews()
3572 {
3573         update_previews_ = true;
3574 }
3575
3576
3577 QString GuiPreferences::browsebind(QString const & file) const
3578 {
3579         return browseLibFile("bind", file, "bind", qt_("Choose bind file"),
3580                              QStringList(qt_("LyX bind files (*.bind)")));
3581 }
3582
3583
3584 QString GuiPreferences::browseUI(QString const & file) const
3585 {
3586         return browseLibFile("ui", file, "ui", qt_("Choose UI file"),
3587                              QStringList(qt_("LyX UI files (*.ui)")));
3588 }
3589
3590
3591 QString GuiPreferences::browsekbmap(QString const & file) const
3592 {
3593         return browseLibFile("kbd", file, "kmap", qt_("Choose keyboard map"),
3594                              QStringList(qt_("LyX keyboard maps (*.kmap)")));
3595 }
3596
3597
3598 QString GuiPreferences::browse(QString const & file,
3599         QString const & title) const
3600 {
3601         return browseFile(file, title, QStringList(), true);
3602 }
3603
3604
3605 Dialog * createGuiPreferences(GuiView & lv) { return new GuiPreferences(lv); }
3606
3607
3608 } // namespace frontend
3609 } // namespace lyx
3610
3611 #include "moc_GuiPrefs.cpp"