src/fancyhighlighter.cpp

   1 /*
   2   Copyright 2013-2015 Mats Sjöberg
   3
   4   This file is part of the Pumpa programme.
   5
   6   Pumpa is free software: you can redistribute it and/or modify it
   7   under the terms of the GNU General Public License as published by
   8   the Free Software Foundation, either version 3 of the License, or
   9   (at your option) any later version.
  10
  11   Pumpa is distributed in the hope that it will be useful, but WITHOUT
  12   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  14   License for more details.
  15
  16   You should have received a copy of the GNU General Public License
  17   along with Pumpa.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "fancyhighlighter.h"
  21
  22 #include <QRegExp>
  23
  24 //------------------------------------------------------------------------------
  25
  26 FancyHighlighter::FancyHighlighter(QTextDocument* doc, QASpell* checker) :
  27   QSyntaxHighlighter(doc), m_checker(checker) {}
  28
  29 //------------------------------------------------------------------------------
  30
  31 void FancyHighlighter::highlightBlock(const QString& text) {
  32   QTextCharFormat urlHighlightFormat;
  33   urlHighlightFormat.setForeground(QBrush(Qt::blue));
  34
  35 #ifdef USE_ASPELL
  36   int index;
  37
  38   QTextCharFormat spellErrorFormat;
  39   spellErrorFormat.setFontUnderline(true);
  40   spellErrorFormat.setUnderlineColor(Qt::red);
  41   spellErrorFormat.setUnderlineStyle(QTextCharFormat::SpellCheckUnderline);
  42
  43   QRegExp rxa("(^|\\s)(\\w[\\w']*\\w)");
  44
  45   index = text.indexOf(rxa);
  46   while (index >= 0) {
  47     int length = rxa.matchedLength();
  48     int offset = rxa.cap(1).count();
  49     int s = index+offset;
  50     int l = length-offset;
  51
  52     if (!m_checker->checkWord(rxa.cap(2)))
  53       setFormat(s, l, spellErrorFormat);
  54     index = text.indexOf(rxa, index + length);
  55   }
  56 #endif // USE_ASPELL
  57 }