mirror of
https://git.lyx.org/repos/lyx.git
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111 lines
2.7 KiB
C++
111 lines
2.7 KiB
C++
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/**
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* \file QViewSource.C
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author John Levon
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* \author Bo Peng
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "QViewSource.h"
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#include "QViewSourceDialog.h"
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#include "qt_helpers.h"
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#include "lyx_gui.h"
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#include "controllers/ControlViewSource.h"
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#include <sstream>
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#include <QTextEdit>
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#include <QPushButton>
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namespace lyx {
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namespace frontend {
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typedef QController<ControlViewSource, QView<QViewSourceDialog> > base_class;
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QViewSource::QViewSource(Dialog & parent)
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: base_class(parent, "")
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{}
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latexHighlighter::latexHighlighter(QTextDocument * parent) :
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QSyntaxHighlighter(parent)
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{
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keywordFormat.setForeground(Qt::darkBlue);
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keywordFormat.setFontWeight(QFont::Bold);
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commentFormat.setForeground(Qt::gray);
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mathFormat.setForeground(Qt::red);
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}
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void latexHighlighter::highlightBlock(QString const & text)
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{
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// comment
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QRegExp exprComment("^%.*$");
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int index = text.indexOf(exprComment);
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while (index >= 0) {
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int length = exprComment.matchedLength();
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setFormat(index, length, commentFormat);
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index = text.indexOf(exprComment, index + length);
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}
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// $ $
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QRegExp exprMath("\\$[^\\$]*\\$");
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index = text.indexOf(exprMath);
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while (index >= 0) {
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int length = exprMath.matchedLength();
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setFormat(index, length, mathFormat);
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index = text.indexOf(exprMath, index + length);
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}
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// [ ]
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QRegExp exprDispMath("\\[[^\\]]*\\]");
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index = text.indexOf(exprDispMath);
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while (index >= 0) {
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int length = exprDispMath.matchedLength();
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setFormat(index, length, mathFormat);
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index = text.indexOf(exprDispMath, index + length);
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}
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// \whatever
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QRegExp exprKeyword("\\\\[A-Za-z]+");
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index = text.indexOf(exprKeyword);
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while (index >= 0) {
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int length = exprKeyword.matchedLength();
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setFormat(index, length, keywordFormat);
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index = text.indexOf(exprKeyword, index + length);
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}
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}
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void QViewSource::build_dialog()
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{
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dialog_.reset(new QViewSourceDialog(this));
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// set syntex highlighting
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highlighter = new latexHighlighter(dialog_->viewSourceTV->document());
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//
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dialog_->viewSourceTV->setReadOnly(true);
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dialog_->viewSourceTV->setTextFormat(Qt::PlainText);
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// this is personal. I think source code should be in fixed-size font
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QFont font(toqstr(lyx_gui::typewriter_font_name()));
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font.setFixedPitch(true);
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font.setStyleHint(QFont::TypeWriter);
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dialog_->viewSourceTV->setFont(font);
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// again, personal taste
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dialog_->viewSourceTV->setWordWrapMode(QTextOption::NoWrap);
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}
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void QViewSource::update_contents()
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{
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setTitle(controller().title());
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dialog_->viewSourceTV->setText(toqstr(controller().updateContent()));
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}
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} // namespace frontend
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} // namespace lyx
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