text: // This module implements the QsciLexerPO class.
  //
  // Copyright (c) 2017 Riverbank Computing Limited <info@riverbankcomputing.com>
  // 
  // This file is part of QScintilla.
  // 
  // This file may be used under the terms of the GNU General Public License
  // version 3.0 as published by the Free Software Foundation and appearing in
  // the file LICENSE included in the packaging of this file.  Please review the
  // following information to ensure the GNU General Public License version 3.0
  // requirements will be met: http://www.gnu.org/copyleft/gpl.html.
  // 
  // If you do not wish to use this file under the terms of the GPL version 3.0
  // then you may purchase a commercial license.  For more information contact
  // info@riverbankcomputing.com.
  // 
  // This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
  // WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  
  
  #include "Qsci/qscilexerpo.h"
  
  #include <qcolor.h>
  #include <qfont.h>
  #include <qsettings.h>
  
  
  // The ctor.
  QsciLexerPO::QsciLexerPO(QObject *parent)
      : QsciLexer(parent), fold_comments(false), fold_compact(true)
  {
  }
  
  
  // The dtor.
  QsciLexerPO::~QsciLexerPO()
  {
  }
  
  
  // Returns the language name.
  const char *QsciLexerPO::language() const
  {
      return "PO";
  }
  
  
  // Returns the lexer name.
  const char *QsciLexerPO::lexer() const
  {
      return "po";
  }
  
  
  // Returns the foreground colour of the text for a style.
  QColor QsciLexerPO::defaultColor(int style) const
  {
      switch (style)
      {
      case Comment:
          return QColor(0x00, 0x7f, 0x00);
      }
  
      return QsciLexer::defaultColor(style);
  }
  
  
  // Returns the font of the text for a style.
  QFont QsciLexerPO::defaultFont(int style) const
  {
      QFont f;
  
      switch (style)
      {
      case Comment:
  #if defined(Q_OS_WIN)
          f = QFont("Comic Sans MS", 9);
  #elif defined(Q_OS_MAC)
          f = QFont("Georgia", 13);
  #else
          f = QFont("Bitstream Vera Serif", 9);
  #endif
          break;
  
      default:
          f = QsciLexer::defaultFont(style);
      }
  
      return f;
  }
  
  
  // Returns the user name of a style.
  QString QsciLexerPO::description(int style) const
  {
      switch (style)
      {
      case Default:
          return tr("Default");
  
      case Comment:
          return tr("Comment");
  
      case MessageId:
          return tr("Message identifier");
  
      case MessageIdText:
          return tr("Message identifier text");
  
      case MessageString:
          return tr("Message string");
  
      case MessageStringText:
          return tr("Message string text");
  
      case MessageContext:
          return tr("Message context");
  
      case MessageContextText:
          return tr("Message context text");
  
      case Fuzzy:
          return tr("Fuzzy flag");
  
      case ProgrammerComment:
          return tr("Programmer comment");
  
      case Reference:
          return tr("Reference");
  
      case Flags:
          return tr("Flags");
  
      case MessageIdTextEOL:
          return tr("Message identifier text end-of-line");
  
      case MessageStringTextEOL:
          return tr("Message string text end-of-line");
  
      case MessageContextTextEOL:
          return tr("Message context text end-of-line");
      }
  
      return QString();
  }
  
  
  // Refresh all properties.
  void QsciLexerPO::refreshProperties()
  {
      setCommentProp();
      setCompactProp();
  }
  
  
  // Read properties from the settings.
  bool QsciLexerPO::readProperties(QSettings &qs,const QString &prefix)
  {
      int rc = true;
  
      fold_comments = qs.value(prefix + "foldcomments", false).toBool();
      fold_compact = qs.value(prefix + "foldcompact", true).toBool();
  
      return rc;
  }
  
  
  // Write properties to the settings.
  bool QsciLexerPO::writeProperties(QSettings &qs,const QString &prefix) const
  {
      int rc = true;
  
      qs.setValue(prefix + "foldcomments", fold_comments);
      qs.setValue(prefix + "foldcompact", fold_compact);
  
      return rc;
  }
  
  
  // Return true if comments can be folded.
  bool QsciLexerPO::foldComments() const
  {
      return fold_comments;
  }
  
  
  // Set if comments can be folded.
  void QsciLexerPO::setFoldComments(bool fold)
  {
      fold_comments = fold;
  
      setCommentProp();
  }
  
  
  // Set the "fold.comment" property.
  void QsciLexerPO::setCommentProp()
  {
      emit propertyChanged("fold.comment",(fold_comments ? "1" : "0"));
  }
  
  
  // Return true if folds are compact.
  bool QsciLexerPO::foldCompact() const
  {
      return fold_compact;
  }
  
  
  // Set if folds are compact
  void QsciLexerPO::setFoldCompact(bool fold)
  {
      fold_compact = fold;
  
      setCompactProp();
  }
  
  
  // Set the "fold.compact" property.
  void QsciLexerPO::setCompactProp()
  {
      emit propertyChanged("fold.compact",(fold_compact ? "1" : "0"));
  }
  