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annotate gui/src/TerminalHighlighter.cpp @ 13666:68c50b393f1d

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Improved highlighting and incremented version.
author Jacob Dawid <jacob.dawid@googlemail.com>
date Sat, 10 Sep 2011 09:38:49 +0200
parents ddc3c20d0e2f
children 9b74f97919e1
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13665
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1 /* OctaveGUI - A graphical user interface for Octave
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2 * Copyright (C) 2011 Jacob Dawid
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3 * jacob.dawid@googlemail.com
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4 *
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5 * This program is free software: you can redistribute it and/or modify
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6 * it under the terms of the GNU General Public License as published by
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7 * the Free Software Foundation, either version 3 of the License, or
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8 * (at your option) any later version.
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9 *
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 */
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18
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19 #include "ResourceManager.h"
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20 #include "TerminalHighlighter.h"
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21
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22 TerminalHighlighter::TerminalHighlighter(QTextDocument *parent)
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23 : QSyntaxHighlighter(parent)
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24 {
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25 HighlightingRule rule;
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26
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27 keywordFormat.setForeground(Qt::darkBlue);
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28 QStringList keywordPatterns
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29 = QString(ResourceManager::instance ()->octaveKeywords ()).split(" ", QString::SkipEmptyParts);
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30 keywordPatterns << "GNU" << "Octave" << "OctaveGUI";
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31
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32 for (int i = 0; i < keywordPatterns.size (); i++)
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33 keywordPatterns.replace(i, QString("\\b%1\\b").arg(keywordPatterns.at (i)));
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34
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35 foreach (const QString &pattern, keywordPatterns)
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36 {
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37 rule.pattern = QRegExp(pattern);
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38 rule.format = keywordFormat;
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39 highlightingRules.append(rule);
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40 }
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41
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42 numberFormat.setForeground(Qt::darkRed);
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43 rule.pattern = QRegExp("\\b[0-9\\.\\+\\-\\^]+\\b");
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44 rule.format = numberFormat;
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45 highlightingRules.append(rule);
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46
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47 doubleQouteFormat.setForeground(Qt::darkGreen);
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48 rule.pattern = QRegExp("\"[^\"]*\"");
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49 rule.format = doubleQouteFormat;
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50 highlightingRules.append(rule);
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51
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52 functionFormat.setFontItalic(true);
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53 functionFormat.setForeground(Qt::blue);
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54 rule.pattern = QRegExp("\\b[A-Za-z0-9_]+\\s*(?=\\()");
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55 rule.format = functionFormat;
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56 highlightingRules.append(rule);
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57
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58 urlFormat.setForeground(Qt::darkYellow);
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59 rule.pattern = QRegExp("((?:https?|ftp)://\\S+)");
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60 rule.format = urlFormat;
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61 highlightingRules.append(rule);
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62
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63 subCaptionFormat.setForeground (Qt::black);
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64 subCaptionFormat.setFontItalic (true);
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65 rule.pattern = QRegExp("^\\s+\\*.+$");
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66 rule.format = subCaptionFormat;
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67 highlightingRules.append(rule);
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68
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69 captionFormat.setForeground(Qt::black);
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70 captionFormat.setFontWeight(QFont::Bold);
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71 rule.pattern = QRegExp("^\\s+\\*\\*.+$");
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72 rule.format = captionFormat;
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73 highlightingRules.append(rule);
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74
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75 }
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76
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77 void TerminalHighlighter::highlightBlock(const QString &text)
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78 {
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79 foreach (const HighlightingRule &rule, highlightingRules)
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80 {
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81 QRegExp expression(rule.pattern);
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82 int index = expression.indexIn(text);
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83 while (index >= 0)
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84 {
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85 int length = expression.matchedLength();
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86 setFormat(index, length, rule.format);
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87 index = expression.indexIn(text, index + length);
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88 }
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89 }
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90 }