]> git.lyx.org Git - lyx.git/blobdiff - src/frontends/qt4/GuiPrefs.cpp
Use <cstdint> instead of <boost/cstdint.hpp>
[lyx.git] / src / frontends / qt4 / GuiPrefs.cpp
index d23c5fb5c3d731dfd4ecee8cd5d5531b290e9824..82073bcbe7cbb07e6d9786e6b31184e6ecec89a6 100644 (file)
@@ -19,6 +19,8 @@
 #include "GuiFontExample.h"
 #include "GuiFontLoader.h"
 #include "GuiKeySymbol.h"
+#include "GuiLyXFiles.h"
+#include "GuiView.h"
 #include "qt_helpers.h"
 #include "Validator.h"
 
@@ -61,7 +63,6 @@
 #include <QHeaderView>
 #include <QLineEdit>
 #include <QMessageBox>
-#include <QPixmapCache>
 #include <QPushButton>
 #include <QSpinBox>
 #include <QString>
@@ -72,6 +73,7 @@
 #include <iomanip>
 #include <sstream>
 #include <algorithm>
+#include <math.h>
 
 using namespace Ui;
 
@@ -111,7 +113,7 @@ QString browseFile(QString const & filename,
                lastPath = fallback_dir;
 
        FileDialog dlg(title);
-       dlg.setButton2(label1, dir1);
+       dlg.setButton1(label1, dir1);
        dlg.setButton2(label2, dir2);
 
        FileDialog::Result result;
@@ -125,46 +127,6 @@ QString browseFile(QString const & filename,
 }
 
 
-/** Wrapper around browseFile which tries to provide a filename
-*  relative to the user or system directory. The dir, name and ext
-*  parameters have the same meaning as in the
-*  support::LibFileSearch function.
-*/
-QString browseLibFile(QString const & dir,
-       QString const & name,
-       QString const & ext,
-       QString const & title,
-       QStringList const & filters)
-{
-       // FIXME UNICODE
-       QString const label1 = qt_("System files|#S#s");
-       QString const dir1 =
-               toqstr(addName(package().system_support().absFileName(), fromqstr(dir)));
-
-       QString const label2 = qt_("User files|#U#u");
-       QString const dir2 =
-               toqstr(addName(package().user_support().absFileName(), fromqstr(dir)));
-
-       QString const result = browseFile(toqstr(
-               libFileSearch(dir, name, ext).absFileName()),
-               title, filters, false, dir1, dir2, QString(), QString(), dir1);
-
-       // remove the extension if it is the default one
-       QString noextresult;
-       if (getExtension(result) == ext)
-               noextresult = removeExtension(result);
-       else
-               noextresult = result;
-
-       // remove the directory, if it is the default one
-       QString const file = onlyFileName(noextresult);
-       if (toqstr(libFileSearch(dir, file, ext).absFileName()) == result)
-               return file;
-       else
-               return noextresult;
-}
-
-
 /** Launch a file dialog and return the chosen directory.
        pathname: a suggested pathname.
        title: the title of the dialog.
@@ -286,8 +248,8 @@ static void setComboxFont(QComboBox * cb, string const & family,
 
        // We count in reverse in order to prefer the Xft foundry
        for (int i = cb->count(); --i >= 0;) {
-               string name, foundry;
-               parseFontName(cb->itemText(i), name, foundry);
+               string name, fnt_foundry;
+               parseFontName(cb->itemText(i), name, fnt_foundry);
                if (compare_ascii_no_case(name, family) == 0) {
                        cb->setCurrentIndex(i);
                        return;
@@ -300,9 +262,9 @@ static void setComboxFont(QComboBox * cb, string const & family,
 
        // We count in reverse in order to prefer the Xft foundry
        for (int i = cb->count(); --i >= 0; ) {
-               string name, foundry;
-               parseFontName(cb->itemText(i), name, foundry);
-               if (compare_ascii_no_case(name, foundry) == 0) {
+               string name, fnt_foundry;
+               parseFontName(cb->itemText(i), name, fnt_foundry);
+               if (compare_ascii_no_case(name, fnt_foundry) == 0) {
                        cb->setCurrentIndex(i);
                        return;
                }
@@ -348,35 +310,6 @@ static void setComboxFont(QComboBox * cb, string const & family,
 }
 
 
-/////////////////////////////////////////////////////////////////////
-//
-// StrftimeValidator
-//
-/////////////////////////////////////////////////////////////////////
-
-class StrftimeValidator : public QValidator
-{
-public:
-       StrftimeValidator(QWidget *);
-       QValidator::State validate(QString & input, int & pos) const;
-};
-
-
-StrftimeValidator::StrftimeValidator(QWidget * parent)
-       : QValidator(parent)
-{
-}
-
-
-QValidator::State StrftimeValidator::validate(QString & input, int & /*pos*/) const
-{
-       if (is_valid_strftime(fromqstr(input)))
-               return QValidator::Acceptable;
-       else
-               return QValidator::Intermediate;
-}
-
-
 /////////////////////////////////////////////////////////////////////
 //
 // PrefOutput
@@ -388,12 +321,9 @@ PrefOutput::PrefOutput(GuiPreferences * form)
 {
        setupUi(this);
 
-       DateED->setValidator(new StrftimeValidator(DateED));
        dviCB->setValidator(new NoNewLineValidator(dviCB));
        pdfCB->setValidator(new NoNewLineValidator(pdfCB));
 
-       connect(DateED, SIGNAL(textChanged(QString)),
-               this, SIGNAL(changed()));
        connect(plaintextLinelengthSB, SIGNAL(valueChanged(int)),
                this, SIGNAL(changed()));
        connect(overwriteCO, SIGNAL(activated(int)),
@@ -429,19 +359,8 @@ PrefOutput::PrefOutput(GuiPreferences * form)
 }
 
 
-void PrefOutput::on_DateED_textChanged(const QString &)
-{
-       QString t = DateED->text();
-       int p = 0;
-       bool valid = DateED->validator()->validate(t, p)
-                    == QValidator::Acceptable;
-       setValid(DateLA, valid);
-}
-
-
 void PrefOutput::applyRC(LyXRC & rc) const
 {
-       rc.date_insert_format = fromqstr(DateED->text());
        rc.plaintext_linelen = plaintextLinelengthSB->value();
        rc.forward_search_dvi = fromqstr(dviCB->currentText());
        rc.forward_search_pdf = fromqstr(pdfCB->currentText());
@@ -466,7 +385,6 @@ void PrefOutput::applyRC(LyXRC & rc) const
 
 void PrefOutput::updateRC(LyXRC const & rc)
 {
-       DateED->setText(toqstr(rc.date_insert_format));
        plaintextLinelengthSB->setValue(rc.plaintext_linelen);
        dviCB->setEditText(toqstr(rc.forward_search_dvi));
        pdfCB->setEditText(toqstr(rc.forward_search_pdf));
@@ -724,7 +642,6 @@ PrefLatex::PrefLatex(GuiPreferences * form)
 {
        setupUi(this);
 
-       latexEncodingED->setValidator(new NoNewLineValidator(latexEncodingED));
        latexDviPaperED->setValidator(new NoNewLineValidator(latexDviPaperED));
        latexBibtexED->setValidator(new NoNewLineValidator(latexBibtexED));
        latexJBibtexED->setValidator(new NoNewLineValidator(latexJBibtexED));
@@ -733,16 +650,14 @@ PrefLatex::PrefLatex(GuiPreferences * form)
        latexNomenclED->setValidator(new NoNewLineValidator(latexNomenclED));
        latexChecktexED->setValidator(new NoNewLineValidator(latexChecktexED));
 
-       connect(latexEncodingCB, SIGNAL(clicked()),
-               this, SIGNAL(changed()));
-       connect(latexEncodingED, SIGNAL(textChanged(QString)),
-               this, SIGNAL(changed()));
        connect(latexChecktexED, SIGNAL(textChanged(QString)),
                this, SIGNAL(changed()));
        connect(latexBibtexCO, SIGNAL(activated(int)),
                this, SIGNAL(changed()));
        connect(latexBibtexED, SIGNAL(textChanged(QString)),
                this, SIGNAL(changed()));
+       connect(latexJBibtexCO, SIGNAL(activated(int)),
+               this, SIGNAL(changed()));
        connect(latexJBibtexED, SIGNAL(textChanged(QString)),
                this, SIGNAL(changed()));
        connect(latexIndexCO, SIGNAL(activated(int)),
@@ -768,18 +683,12 @@ PrefLatex::PrefLatex(GuiPreferences * form)
 }
 
 
-void PrefLatex::on_latexEncodingCB_stateChanged(int state)
-{
-       latexEncodingED->setEnabled(state == Qt::Checked);
-}
-
-
 void PrefLatex::on_latexBibtexCO_activated(int n)
 {
        QString const bibtex = latexBibtexCO->itemData(n).toString();
        if (bibtex.isEmpty()) {
                latexBibtexED->clear();
-               latexBibtexOptionsLA->setText(qt_("Co&mmand:"));
+               latexBibtexOptionsLA->setText(qt_("C&ommand:"));
                return;
        }
        for (LyXRC::CommandSet::const_iterator it = bibtex_alternatives.begin();
@@ -799,6 +708,31 @@ void PrefLatex::on_latexBibtexCO_activated(int n)
 }
 
 
+void PrefLatex::on_latexJBibtexCO_activated(int n)
+{
+       QString const jbibtex = latexJBibtexCO->itemData(n).toString();
+       if (jbibtex.isEmpty()) {
+               latexJBibtexED->clear();
+               latexJBibtexOptionsLA->setText(qt_("Co&mmand:"));
+               return;
+       }
+       for (LyXRC::CommandSet::const_iterator it = jbibtex_alternatives.begin();
+            it != jbibtex_alternatives.end(); ++it) {
+               QString const bib = toqstr(*it);
+               int ind = bib.indexOf(" ");
+               QString sel_command = bib.left(ind);
+               QString sel_options = ind < 0 ? QString() : bib.mid(ind + 1);
+               if (jbibtex == sel_command) {
+                       if (ind < 0)
+                               latexJBibtexED->clear();
+                       else
+                               latexJBibtexED->setText(sel_options.trimmed());
+               }
+       }
+       latexJBibtexOptionsLA->setText(qt_("Opt&ions:"));
+}
+
+
 void PrefLatex::on_latexIndexCO_activated(int n)
 {
        QString const index = latexIndexCO->itemData(n).toString();
@@ -838,6 +772,18 @@ void PrefLatex::applyRC(LyXRC & rc) const
        else
                rc.bibtex_command = fromqstr(bibtex) + " " + fromqstr(bibopt);
 
+       // If jbibtex is not empty, jbibopt contains the options, otherwise
+       // it is a customized bibtex command with options.
+       QString const jbibtex = latexJBibtexCO->itemData(
+               latexJBibtexCO->currentIndex()).toString();
+       QString const jbibopt = latexJBibtexED->text();
+       if (jbibtex.isEmpty())
+               rc.jbibtex_command = fromqstr(jbibopt);
+       else if (jbibopt.isEmpty())
+               rc.jbibtex_command = fromqstr(jbibtex);
+       else
+               rc.jbibtex_command = fromqstr(jbibtex) + " " + fromqstr(jbibopt);
+
        // If index is not empty, idxopt contains the options, otherwise
        // it is a customized index command with options.
        QString const index = latexIndexCO->itemData(
@@ -850,12 +796,7 @@ void PrefLatex::applyRC(LyXRC & rc) const
        else
                rc.index_command = fromqstr(index) + " " + fromqstr(idxopt);
 
-       if (latexEncodingCB->isChecked())
-               rc.fontenc = fromqstr(latexEncodingED->text());
-       else
-               rc.fontenc = "default";
        rc.chktex_command = fromqstr(latexChecktexED->text());
-       rc.jbibtex_command = fromqstr(latexJBibtexED->text());
        rc.jindex_command = fromqstr(latexJIndexED->text());
        rc.nomencl_command = fromqstr(latexNomenclED->text());
        rc.auto_reset_options = latexAutoresetCB->isChecked();
@@ -870,6 +811,7 @@ void PrefLatex::updateRC(LyXRC const & rc)
 {
        latexBibtexCO->clear();
 
+       latexBibtexCO->addItem(qt_("Automatic"), "automatic");
        latexBibtexCO->addItem(qt_("Custom"), QString());
        for (LyXRC::CommandSet::const_iterator it = rc.bibtex_alternatives.begin();
                             it != rc.bibtex_alternatives.end(); ++it) {
@@ -892,7 +834,35 @@ void PrefLatex::updateRC(LyXRC const & rc)
        } else {
                latexBibtexED->setText(toqstr(rc.bibtex_command));
                latexBibtexCO->setCurrentIndex(0);
-               latexBibtexOptionsLA->setText(qt_("Co&mmand:"));
+               latexBibtexOptionsLA->setText(qt_("C&ommand:"));
+       }
+
+       latexJBibtexCO->clear();
+
+       latexJBibtexCO->addItem(qt_("Automatic"), "automatic");
+       latexJBibtexCO->addItem(qt_("Custom"), QString());
+       for (LyXRC::CommandSet::const_iterator it = rc.jbibtex_alternatives.begin();
+                            it != rc.jbibtex_alternatives.end(); ++it) {
+               QString const command = toqstr(*it).left(toqstr(*it).indexOf(" "));
+               latexJBibtexCO->addItem(command, command);
+       }
+
+       jbibtex_alternatives = rc.jbibtex_alternatives;
+
+       QString const jbib = toqstr(rc.jbibtex_command);
+       ind = jbib.indexOf(" ");
+       sel_command = jbib.left(ind);
+       sel_options = ind < 0 ? QString() : jbib.mid(ind + 1);
+
+       pos = latexJBibtexCO->findData(sel_command);
+       if (pos != -1) {
+               latexJBibtexCO->setCurrentIndex(pos);
+               latexJBibtexED->setText(sel_options.trimmed());
+               latexJBibtexOptionsLA->setText(qt_("Opt&ions:"));
+       } else {
+               latexJBibtexED->setText(toqstr(rc.bibtex_command));
+               latexJBibtexCO->setCurrentIndex(0);
+               latexJBibtexOptionsLA->setText(qt_("Co&mmand:"));
        }
 
        latexIndexCO->clear();
@@ -922,16 +892,7 @@ void PrefLatex::updateRC(LyXRC const & rc)
                latexIndexOptionsLA->setText(qt_("Co&mmand:"));
        }
 
-       if (rc.fontenc == "default") {
-               latexEncodingCB->setChecked(false);
-               latexEncodingED->setEnabled(false);
-       } else {
-               latexEncodingCB->setChecked(true);
-               latexEncodingED->setEnabled(true);
-               latexEncodingED->setText(toqstr(rc.fontenc));
-       }
        latexChecktexED->setText(toqstr(rc.chktex_command));
-       latexJBibtexED->setText(toqstr(rc.jbibtex_command));
        latexJIndexED->setText(toqstr(rc.jindex_command));
        latexNomenclED->setText(toqstr(rc.nomencl_command));
        latexAutoresetCB->setChecked(rc.auto_reset_options);
@@ -995,8 +956,6 @@ PrefScreenFonts::PrefScreenFonts(GuiPreferences * form)
                this, SIGNAL(changed()));
        connect(screenHugerED, SIGNAL(textChanged(QString)),
                this, SIGNAL(changed()));
-       connect(pixmapCacheCB, SIGNAL(toggled(bool)),
-               this, SIGNAL(changed()));
 
        screenTinyED->setValidator(new QDoubleValidator(screenTinyED));
        screenSmallestED->setValidator(new QDoubleValidator(screenSmallestED));
@@ -1022,31 +981,17 @@ void PrefScreenFonts::applyRC(LyXRC & rc) const
        parseFontName(screenTypewriterCO->currentText(),
                rc.typewriter_font_name, rc.typewriter_font_foundry);
 
-       rc.zoom = screenZoomSB->value();
-       rc.font_sizes[FONT_SIZE_TINY] = widgetToDoubleStr(screenTinyED);
-       rc.font_sizes[FONT_SIZE_SCRIPT] = widgetToDoubleStr(screenSmallestED);
-       rc.font_sizes[FONT_SIZE_FOOTNOTE] = widgetToDoubleStr(screenSmallerED);
-       rc.font_sizes[FONT_SIZE_SMALL] = widgetToDoubleStr(screenSmallED);
-       rc.font_sizes[FONT_SIZE_NORMAL] = widgetToDoubleStr(screenNormalED);
-       rc.font_sizes[FONT_SIZE_LARGE] = widgetToDoubleStr(screenLargeED);
-       rc.font_sizes[FONT_SIZE_LARGER] = widgetToDoubleStr(screenLargerED);
-       rc.font_sizes[FONT_SIZE_LARGEST] = widgetToDoubleStr(screenLargestED);
-       rc.font_sizes[FONT_SIZE_HUGE] = widgetToDoubleStr(screenHugeED);
-       rc.font_sizes[FONT_SIZE_HUGER] = widgetToDoubleStr(screenHugerED);
-       rc.use_pixmap_cache = pixmapCacheCB->isChecked();
-
-       if (rc.font_sizes != oldrc.font_sizes
-               || rc.roman_font_name != oldrc.roman_font_name
-               || rc.sans_font_name != oldrc.sans_font_name
-               || rc.typewriter_font_name != oldrc.typewriter_font_name
-               || rc.zoom != oldrc.zoom) {
-               // The global QPixmapCache is used in GuiPainter to cache text
-               // painting so we must reset it in case any of the above
-               // parameter is changed.
-               QPixmapCache::clear();
-               guiApp->fontLoader().update();
-               form_->updateScreenFonts();
-       }
+       rc.defaultZoom = screenZoomSB->value();
+       rc.font_sizes[TINY_SIZE] = widgetToDoubleStr(screenTinyED);
+       rc.font_sizes[SCRIPT_SIZE] = widgetToDoubleStr(screenSmallestED);
+       rc.font_sizes[FOOTNOTE_SIZE] = widgetToDoubleStr(screenSmallerED);
+       rc.font_sizes[SMALL_SIZE] = widgetToDoubleStr(screenSmallED);
+       rc.font_sizes[NORMAL_SIZE] = widgetToDoubleStr(screenNormalED);
+       rc.font_sizes[LARGE_SIZE] = widgetToDoubleStr(screenLargeED);
+       rc.font_sizes[LARGER_SIZE] = widgetToDoubleStr(screenLargerED);
+       rc.font_sizes[LARGEST_SIZE] = widgetToDoubleStr(screenLargestED);
+       rc.font_sizes[HUGE_SIZE] = widgetToDoubleStr(screenHugeED);
+       rc.font_sizes[HUGER_SIZE] = widgetToDoubleStr(screenHugerED);
 }
 
 
@@ -1063,29 +1008,23 @@ void PrefScreenFonts::updateRC(LyXRC const & rc)
        selectSans(screenSansCO->currentText());
        selectTypewriter(screenTypewriterCO->currentText());
 
-       screenZoomSB->setValue(rc.zoom);
+       screenZoomSB->setValue(rc.defaultZoom);
        updateScreenFontSizes(rc);
-
-       pixmapCacheCB->setChecked(rc.use_pixmap_cache);
-#if defined(Q_WS_X11) || defined(QPA_XCB)
-       pixmapCacheCB->setEnabled(false);
-#endif
-
 }
 
 
 void PrefScreenFonts::updateScreenFontSizes(LyXRC const & rc)
 {
-       doubleToWidget(screenTinyED, rc.font_sizes[FONT_SIZE_TINY]);
-       doubleToWidget(screenSmallestED, rc.font_sizes[FONT_SIZE_SCRIPT]);
-       doubleToWidget(screenSmallerED, rc.font_sizes[FONT_SIZE_FOOTNOTE]);
-       doubleToWidget(screenSmallED, rc.font_sizes[FONT_SIZE_SMALL]);
-       doubleToWidget(screenNormalED, rc.font_sizes[FONT_SIZE_NORMAL]);
-       doubleToWidget(screenLargeED, rc.font_sizes[FONT_SIZE_LARGE]);
-       doubleToWidget(screenLargerED, rc.font_sizes[FONT_SIZE_LARGER]);
-       doubleToWidget(screenLargestED, rc.font_sizes[FONT_SIZE_LARGEST]);
-       doubleToWidget(screenHugeED, rc.font_sizes[FONT_SIZE_HUGE]);
-       doubleToWidget(screenHugerED, rc.font_sizes[FONT_SIZE_HUGER]);
+       doubleToWidget(screenTinyED, rc.font_sizes[TINY_SIZE]);
+       doubleToWidget(screenSmallestED, rc.font_sizes[SCRIPT_SIZE]);
+       doubleToWidget(screenSmallerED, rc.font_sizes[FOOTNOTE_SIZE]);
+       doubleToWidget(screenSmallED, rc.font_sizes[SMALL_SIZE]);
+       doubleToWidget(screenNormalED, rc.font_sizes[NORMAL_SIZE]);
+       doubleToWidget(screenLargeED, rc.font_sizes[LARGE_SIZE]);
+       doubleToWidget(screenLargerED, rc.font_sizes[LARGER_SIZE]);
+       doubleToWidget(screenLargestED, rc.font_sizes[LARGEST_SIZE]);
+       doubleToWidget(screenHugeED, rc.font_sizes[HUGE_SIZE]);
+       doubleToWidget(screenHugerED, rc.font_sizes[HUGER_SIZE]);
 }
 
 
@@ -1163,6 +1102,10 @@ PrefColors::PrefColors(GuiPreferences * form)
 
        connect(colorChangePB, SIGNAL(clicked()),
                this, SLOT(changeColor()));
+       connect(colorResetPB, SIGNAL(clicked()),
+               this, SLOT(resetColor()));
+       connect(colorResetAllPB, SIGNAL(clicked()),
+               this, SLOT(resetAllColor()));
        connect(lyxObjectsLW, SIGNAL(itemSelectionChanged()),
                this, SLOT(changeLyxObjectsSelection()));
        connect(lyxObjectsLW, SIGNAL(itemActivated(QListWidgetItem*)),
@@ -1190,15 +1133,17 @@ void PrefColors::applyRC(LyXRC & rc) const
 
 void PrefColors::updateRC(LyXRC const & rc)
 {
-       for (unsigned int i = 0; i < lcolors_.size(); ++i) {
+       for (size_type i = 0; i < lcolors_.size(); ++i) {
                QColor color = QColor(guiApp->colorCache().get(lcolors_[i], false));
                QPixmap coloritem(32, 32);
                coloritem.fill(color);
-               lyxObjectsLW->item(i)->setIcon(QIcon(coloritem));
+               lyxObjectsLW->item(int(i))->setIcon(QIcon(coloritem));
                newcolors_[i] = curcolors_[i] = color.name();
        }
        syscolorsCB->setChecked(rc.use_system_colors);
        changeLyxObjectsSelection();
+
+       setDisabledResets();
 }
 
 
@@ -1210,34 +1155,137 @@ void PrefColors::changeColor()
        if (row < 0)
                return;
 
-       QString const color = newcolors_[row];
-       QColor c = QColorDialog::getColor(QColor(color), qApp->focusWidget());
+       QString const color = newcolors_[size_t(row)];
+       QColor const c = QColorDialog::getColor(QColor(color), qApp->focusWidget());
 
-       if (c.isValid() && c.name() != color) {
-               newcolors_[row] = c.name();
-               QPixmap coloritem(32, 32);
-               coloritem.fill(c);
-               lyxObjectsLW->currentItem()->setIcon(QIcon(coloritem));
+       if (setColor(row, c, color)) {
+               setDisabledResets();
                // emit signal
                changed();
        }
 }
 
+
+void PrefColors::resetColor()
+{
+       int const row = lyxObjectsLW->currentRow();
+
+       // just to be sure
+       if (row < 0)
+               return;
+
+       QString const color = newcolors_[size_t(row)];
+       QColor const c = getDefaultColorByRow(row);
+
+       if (setColor(row, c, color)) {
+               setDisabledResets();
+               // emit signal
+               changed();
+       }
+}
+
+
+void PrefColors::resetAllColor()
+{
+       bool isChanged = false;
+
+       colorResetAllPB->setDisabled(true);
+
+       for (int irow = 0, count = lyxObjectsLW->count(); irow < count; ++irow) {
+               QString const color = newcolors_[size_t(irow)];
+               QColor const c = getDefaultColorByRow(irow);
+
+               if (setColor(irow, c, color))
+                       isChanged = true;
+       }
+
+       if (isChanged) {
+               setDisabledResets();
+               // emit signal
+               changed();
+       }
+}
+
+
+bool PrefColors::setColor(int const row, QColor const new_color,
+                         QString const old_color)
+{
+       if (new_color.isValid() && new_color.name() != old_color) {
+               newcolors_[size_t(row)] = new_color.name();
+               QPixmap coloritem(32, 32);
+               coloritem.fill(new_color);
+               lyxObjectsLW->item(row)->setIcon(QIcon(coloritem));
+               return true;
+       }
+       return false;
+}
+
+
+void PrefColors::setDisabledResets()
+{
+       int const row = lyxObjectsLW->currentRow();
+       // set disable reset buttons ...
+       if (row >= 0)
+               colorResetPB->setDisabled(isDefaultColor(row, newcolors_[size_t(row)]));
+
+       colorResetAllPB->setDisabled(true);
+
+       // ... in between process qt events to give quicker visual feedback to the user ...
+       guiApp->processEvents();
+
+       // ... set disable Reset All button
+       for (int irow = 0, count = lyxObjectsLW->count(); irow < count; ++irow) {
+               if (!isDefaultColor(irow, newcolors_[size_t(irow)])) {
+                       colorResetAllPB->setDisabled(false);
+                       // the break condition might hide performance issues
+                       // if a non-default color is at the top of the list
+                       break;
+               }
+       }
+}
+
+
+bool PrefColors::isDefaultColor(int const row, QString const color)
+{
+       return color == getDefaultColorByRow(row).name();
+}
+
+
+QColor PrefColors::getDefaultColorByRow(int const row)
+{
+       ColorSet const defaultcolor;
+       return defaultcolor.getX11Name(lcolors_[size_t(row)]).c_str();
+}
+
+
 void PrefColors::changeSysColor()
 {
        for (int row = 0 ; row < lyxObjectsLW->count() ; ++row) {
                // skip colors that are taken from system palette
-               bool const hide = syscolorsCB->isChecked()
-                       && guiApp->colorCache().isSystem(lcolors_[row]);
+               bool const disable = syscolorsCB->isChecked()
+                       && guiApp->colorCache().isSystem(lcolors_[size_t(row)]);
 
-               lyxObjectsLW->item(row)->setHidden(hide);
-       }
+               QListWidgetItem * const item = lyxObjectsLW->item(row);
+               Qt::ItemFlags const flags = item->flags();
 
+               if (disable)
+                       item->setFlags(flags & ~Qt::ItemIsEnabled);
+               else
+                       item->setFlags(flags | Qt::ItemIsEnabled);
+       }
 }
 
+
 void PrefColors::changeLyxObjectsSelection()
 {
-       colorChangePB->setDisabled(lyxObjectsLW->currentRow() < 0);
+       int currentRow = lyxObjectsLW->currentRow();
+       colorChangePB->setDisabled(currentRow < 0);
+
+       if (currentRow < 0)
+               colorResetPB->setDisabled(true);
+       else
+               colorResetPB->setDisabled(
+                       isDefaultColor(currentRow, newcolors_[size_t(currentRow)]));
 }
 
 
@@ -1271,16 +1319,10 @@ void PrefDisplay::applyRC(LyXRC & rc) const
                        rc.preview = LyXRC::PREVIEW_OFF;
                        break;
                case 1:
-                       if (rc.preview != LyXRC::PREVIEW_NO_MATH) {
-                               rc.preview = LyXRC::PREVIEW_NO_MATH;
-                               form_->updatePreviews();
-                       }
+                       rc.preview = LyXRC::PREVIEW_NO_MATH;
                        break;
                case 2:
-                       if (rc.preview != LyXRC::PREVIEW_ON) {
-                               rc.preview = LyXRC::PREVIEW_ON;
-                               form_->updatePreviews();
-                       }
+                       rc.preview = LyXRC::PREVIEW_ON;
                        break;
        }
 
@@ -1610,10 +1652,12 @@ PrefConverters::PrefConverters(GuiPreferences * form)
                this, SIGNAL(changed()));
        connect(maxAgeLE, SIGNAL(textEdited(QString)),
                this, SIGNAL(changed()));
+       connect(needauthForbiddenCB, SIGNAL(toggled(bool)),
+               this, SIGNAL(changed()));
 
        converterED->setValidator(new NoNewLineValidator(converterED));
        converterFlagED->setValidator(new NoNewLineValidator(converterFlagED));
-       maxAgeLE->setValidator(new QDoubleValidator(maxAgeLE));
+       maxAgeLE->setValidator(new QDoubleValidator(0, HUGE_VAL, 6, maxAgeLE));
        //converterDefGB->setFocusProxy(convertersLW);
 }
 
@@ -1621,13 +1665,24 @@ PrefConverters::PrefConverters(GuiPreferences * form)
 void PrefConverters::applyRC(LyXRC & rc) const
 {
        rc.use_converter_cache = cacheCB->isChecked();
+       rc.use_converter_needauth_forbidden = needauthForbiddenCB->isChecked();
+       rc.use_converter_needauth = needauthCB->isChecked();
        rc.converter_cache_maxage = int(widgetToDouble(maxAgeLE) * 86400.0);
 }
 
 
+static void setCheckboxBlockSignals(QCheckBox *cb, bool checked) {
+       cb->blockSignals(true);
+       cb->setChecked(checked);
+       cb->blockSignals(false);
+}
+
+
 void PrefConverters::updateRC(LyXRC const & rc)
 {
        cacheCB->setChecked(rc.use_converter_cache);
+       needauthForbiddenCB->setChecked(rc.use_converter_needauth_forbidden);
+       setCheckboxBlockSignals(needauthCB, rc.use_converter_needauth);
        QString max_age;
        doubleToWidget(maxAgeLE, (double(rc.converter_cache_maxage) / 86400.0), 'g', 6);
        updateGui();
@@ -1788,6 +1843,29 @@ void PrefConverters::on_cacheCB_stateChanged(int state)
 }
 
 
+void PrefConverters::on_needauthForbiddenCB_toggled(bool checked)
+{
+       needauthCB->setEnabled(!checked);
+}
+
+
+void PrefConverters::on_needauthCB_toggled(bool checked)
+{
+       if (checked) {
+               changed();
+               return;
+       }
+
+       int ret = frontend::Alert::prompt(
+               _("SECURITY WARNING!"), _("Unchecking this option has the effect that potentially harmful converters would be run without asking your permission first. This is UNSAFE and NOT recommended, unless you know what you are doing. Are you sure you would like to proceed ? The recommended and safe answer is NO!"),
+               0, 0, _("&No"), _("&Yes"));
+       if (ret == 1)
+               changed();
+       else
+               setCheckboxBlockSignals(needauthCB, true);
+}
+
+
 /////////////////////////////////////////////////////////////////////
 //
 // FormatValidator
@@ -1925,6 +2003,8 @@ PrefFileformats::PrefFileformats(GuiPreferences * form)
                this, SIGNAL(changed()));
        connect(defaultOTFFormatCB, SIGNAL(activated(QString)),
                this, SIGNAL(changed()));
+       connect(defaultPlatexFormatCB, SIGNAL(activated(QString)),
+               this, SIGNAL(changed()));
        connect(viewerCO, SIGNAL(activated(int)),
                this, SIGNAL(changed()));
        connect(editorCO, SIGNAL(activated(int)),
@@ -1944,7 +2024,7 @@ string const l10n_shortcut(docstring const & prettyname, string const & shortcut
        return split(l10n_format, '|');
 }
 
-} // namespace anon
+} // namespace
 
 
 void PrefFileformats::applyRC(LyXRC & rc) const
@@ -1955,6 +2035,9 @@ void PrefFileformats::applyRC(LyXRC & rc) const
        QString const default_otf_format = defaultOTFFormatCB->itemData(
                defaultOTFFormatCB->currentIndex()).toString();
        rc.default_otf_view_format = fromqstr(default_otf_format);
+       QString const default_platex_format = defaultPlatexFormatCB->itemData(
+               defaultPlatexFormatCB->currentIndex()).toString();
+       rc.default_platex_view_format = fromqstr(default_platex_format);
 }
 
 
@@ -1971,6 +2054,9 @@ void PrefFileformats::updateRC(LyXRC const & rc)
                pos = defaultOTFFormatCB->findData(toqstr(rc.default_otf_view_format));
                                defaultOTFFormatCB->setCurrentIndex(pos);
                defaultOTFFormatCB->setCurrentIndex(pos);
+               pos = defaultPlatexFormatCB->findData(toqstr(rc.default_platex_view_format));
+                               defaultPlatexFormatCB->setCurrentIndex(pos);
+               defaultPlatexFormatCB->setCurrentIndex(pos);
        }
 }
 
@@ -1980,16 +2066,19 @@ void PrefFileformats::updateView()
        QString const current = formatsCB->currentText();
        QString const current_def = defaultFormatCB->currentText();
        QString const current_def_otf = defaultOTFFormatCB->currentText();
+       QString const current_def_platex = defaultPlatexFormatCB->currentText();
 
        // update comboboxes with formats
        formatsCB->blockSignals(true);
        defaultFormatCB->blockSignals(true);
        defaultOTFFormatCB->blockSignals(true);
+       defaultPlatexFormatCB->blockSignals(true);
        formatsCB->clear();
        defaultFormatCB->clear();
        defaultOTFFormatCB->clear();
+       defaultPlatexFormatCB->clear();
        form_->formats().sort();
-       for (Format const & f : formats) {
+       for (Format const & f : form_->formats()) {
                QString const prettyname = toqstr(translateIfPossible(f.prettyname()));
                formatsCB->addItem(prettyname,
                                   QVariant(form_->formats().getNumber(f.name())));
@@ -2003,10 +2092,15 @@ void PrefFileformats::updateView()
                                        QVariant(toqstr(f.name())));
                        defaultOTFFormatCB->addItem(prettyname,
                                        QVariant(toqstr(f.name())));
-               } else if (form_->converters().isReachable("latex", f.name())
-                          || form_->converters().isReachable("pdflatex", f.name()))
-                       defaultFormatCB->addItem(prettyname,
+               } else {
+                       if (form_->converters().isReachable("latex", f.name())
+                           || form_->converters().isReachable("pdflatex", f.name()))
+                               defaultFormatCB->addItem(prettyname,
                                        QVariant(toqstr(f.name())));
+                       if (form_->converters().isReachable("platex", f.name()))
+                                       defaultPlatexFormatCB->addItem(prettyname,
+                                               QVariant(toqstr(f.name())));
+               }
        }
 
        // restore selections
@@ -2017,9 +2111,12 @@ void PrefFileformats::updateView()
        defaultFormatCB->setCurrentIndex(item < 0 ? 0 : item);
        item = defaultOTFFormatCB->findText(current_def_otf, Qt::MatchExactly);
        defaultOTFFormatCB->setCurrentIndex(item < 0 ? 0 : item);
+       item = defaultPlatexFormatCB->findText(current_def_platex, Qt::MatchExactly);
+       defaultPlatexFormatCB->setCurrentIndex(item < 0 ? 0 : item);
        formatsCB->blockSignals(false);
        defaultFormatCB->blockSignals(false);
        defaultOTFFormatCB->blockSignals(false);
+       defaultPlatexFormatCB->blockSignals(false);
 }
 
 
@@ -2176,7 +2273,7 @@ namespace {
                        }
                }
        }
-}
+} // namespace
 
 
 void PrefFileformats::updateViewers()
@@ -2714,20 +2811,20 @@ PrefShortcuts::PrefShortcuts(GuiPreferences * form)
 
        shortcut_ = new GuiShortcutDialog(this);
        shortcut_bc_.setPolicy(ButtonPolicy::OkCancelPolicy);
-       shortcut_bc_.setOK(shortcut_->okPB);
-       shortcut_bc_.setCancel(shortcut_->cancelPB);
+       shortcut_bc_.setOK(shortcut_->buttonBox->button(QDialogButtonBox::Ok));
+       shortcut_bc_.setCancel(shortcut_->buttonBox->button(QDialogButtonBox::Cancel));
 
-       connect(shortcut_->okPB, SIGNAL(clicked()),
+       connect(shortcut_->buttonBox, SIGNAL(accepted()),
                this, SIGNAL(changed()));
-       connect(shortcut_->cancelPB, SIGNAL(clicked()),
+       connect(shortcut_->buttonBox, SIGNAL(rejected()),
                shortcut_, SLOT(reject()));
        connect(shortcut_->clearPB, SIGNAL(clicked()),
                this, SLOT(shortcutClearPressed()));
        connect(shortcut_->removePB, SIGNAL(clicked()),
                this, SLOT(shortcutRemovePressed()));
-       connect(shortcut_->okPB, SIGNAL(clicked()),
+       connect(shortcut_->buttonBox, SIGNAL(accepted()),
                this, SLOT(shortcutOkPressed()));
-       connect(shortcut_->cancelPB, SIGNAL(clicked()),
+       connect(shortcut_->buttonBox, SIGNAL(rejected()),
                this, SLOT(shortcutCancelPressed()));
 }
 
@@ -3306,17 +3403,14 @@ void PrefIdentity::updateRC(LyXRC const & rc)
 /////////////////////////////////////////////////////////////////////
 
 GuiPreferences::GuiPreferences(GuiView & lv)
-       : GuiDialog(lv, "prefs", qt_("Preferences")), update_screen_font_(false),
-         update_previews_(false)
+       : GuiDialog(lv, "prefs", qt_("Preferences"))
 {
        setupUi(this);
 
        QDialog::setModal(false);
 
-       connect(savePB, SIGNAL(clicked()), this, SLOT(slotOK()));
-       connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
-       connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
-       connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
+       connect(buttonBox, SIGNAL(clicked(QAbstractButton *)),
+               this, SLOT(slotButtonBox(QAbstractButton *)));
 
        addModule(new PrefUserInterface(this));
        addModule(new PrefDocHandling(this));
@@ -3338,7 +3432,6 @@ GuiPreferences::GuiPreferences(GuiView & lv)
        addModule(new PrefLanguage(this));
        addModule(new PrefSpellchecker(this));
 
-       //for strftime validator
        PrefOutput * output = new PrefOutput(this);
        addModule(output);
        addModule(new PrefLatex(this));
@@ -3358,13 +3451,14 @@ GuiPreferences::GuiPreferences(GuiView & lv)
 #endif
 
        bc().setPolicy(ButtonPolicy::PreferencesPolicy);
-       bc().setOK(savePB);
-       bc().setApply(applyPB);
-       bc().setCancel(closePB);
-       bc().setRestore(restorePB);
+       bc().setOK(buttonBox->button(QDialogButtonBox::Ok));
+       bc().setApply(buttonBox->button(QDialogButtonBox::Apply));
+       bc().setCancel(buttonBox->button(QDialogButtonBox::Cancel));
+       bc().setRestore(buttonBox->button(QDialogButtonBox::Reset));
 
-       // initialize the strftime validator
-       bc().addCheckedLineEdit(output->DateED);
+       guilyxfiles_ = new GuiLyXFiles(lv);
+       connect(guilyxfiles_, SIGNAL(fileSelected(QString)),
+                       this, SLOT(slotFileSelected(QString)));
 }
 
 
@@ -3411,13 +3505,11 @@ void GuiPreferences::applyView()
 bool GuiPreferences::initialiseParams(string const &)
 {
        rc_ = lyxrc;
-       formats_ = lyx::formats;
+       formats_ = theFormats();
        converters_ = theConverters();
        converters_.update(formats_);
        movers_ = theMovers();
        colors_.clear();
-       update_screen_font_ = false;
-       update_previews_ = false;
 
        updateRC(rc_);
        // Make sure that the bc is in the INITIAL state
@@ -3442,35 +3534,21 @@ void GuiPreferences::dispatchParams()
                Author(from_utf8(rc_.user_name), from_utf8(rc_.user_email));
        theBufferList().recordCurrentAuthor(author);
 
-       lyx::formats = formats_;
+       theFormats() = formats_;
 
        theConverters() = converters_;
-       theConverters().update(lyx::formats);
+       theConverters().update(formats_);
        theConverters().buildGraph();
        theBufferList().invalidateConverterCache();
-       
+
        theMovers() = movers_;
 
-       vector<string>::const_iterator it = colors_.begin();
-       vector<string>::const_iterator const end = colors_.end();
-       for (; it != end; ++it)
-               dispatch(FuncRequest(LFUN_SET_COLOR, *it));
+       for (string const & color : colors_)
+               dispatch(FuncRequest(LFUN_SET_COLOR, color));
        colors_.clear();
 
-       if (update_screen_font_) {
-               dispatch(FuncRequest(LFUN_SCREEN_FONT_UPDATE));
-               // resets flag in case second apply in same dialog
-               update_screen_font_ = false;
-       }
-
-        if (update_previews_) {
-               // resets flag in case second apply in same dialog
-               theBufferList().updatePreviews();
-               update_previews_ = false;
-       }
-
-       // The Save button has been pressed
-       if (isClosing())
+       // Save permanently
+       if (!tempSaveCB->isChecked())
                dispatch(FuncRequest(LFUN_PREFERENCES_SAVE));
 }
 
@@ -3481,36 +3559,54 @@ void GuiPreferences::setColor(ColorCode col, QString const & hex)
 }
 
 
-void GuiPreferences::updateScreenFonts()
+void GuiPreferences::slotFileSelected(QString const file)
 {
-       update_screen_font_ = true;
+       uifile_ = file;
 }
 
 
-void GuiPreferences::updatePreviews()
+QString GuiPreferences::browseLibFile(QString const & dir,
+       QString const & name, QString const & ext)
 {
-       update_previews_ = true;
+       uifile_.clear();
+
+       guilyxfiles_->passParams(fromqstr(dir));
+       guilyxfiles_->selectItem(name);
+       guilyxfiles_->exec();
+
+       QString const result = uifile_;
+
+       // remove the extension if it is the default one
+       QString noextresult;
+       if (getExtension(result) == ext)
+               noextresult = removeExtension(result);
+       else
+               noextresult = result;
+
+       // remove the directory, if it is the default one
+       QString const file = onlyFileName(noextresult);
+       if (toqstr(libFileSearch(dir, file, ext).absFileName()) == result)
+               return file;
+       else
+               return noextresult;
 }
 
 
-QString GuiPreferences::browsebind(QString const & file) const
+QString GuiPreferences::browsebind(QString const & file)
 {
-       return browseLibFile("bind", file, "bind", qt_("Choose bind file"),
-                            QStringList(qt_("LyX bind files (*.bind)")));
+       return browseLibFile("bind", file, "bind");
 }
 
 
-QString GuiPreferences::browseUI(QString const & file) const
+QString GuiPreferences::browseUI(QString const & file)
 {
-       return browseLibFile("ui", file, "ui", qt_("Choose UI file"),
-                            QStringList(qt_("LyX UI files (*.ui)")));
+       return browseLibFile("ui", file, "ui");
 }
 
 
-QString GuiPreferences::browsekbmap(QString const & file) const
+QString GuiPreferences::browsekbmap(QString const & file)
 {
-       return browseLibFile("kbd", file, "kmap", qt_("Choose keyboard map"),
-                            QStringList(qt_("LyX keyboard maps (*.kmap)")));
+       return browseLibFile("kbd", file, "kmap");
 }