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/***************************************************************************
* Copyright (C) 2008, 2009, 2010, 2012 by Glad Deschrijver *
* <glad.deschrijver@gmail.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#include "tikzdocumentationcontroller.h"
#include <QtCore/QProcess>
#include <QtCore/QSettings>
QString TikzDocumentationController::tikzDocumentationPath()
{
QSettings settings;
QString tikzDocFile = settings.value(QLatin1String("TikzDocumentation")).toString();
const bool tikzDocFileInSettingsEmpty = tikzDocFile.isEmpty();
if (tikzDocFileInSettingsEmpty)
tikzDocFile = searchTikzDocumentationInTexTree();
#ifdef KTIKZ_TIKZ_DOCUMENTATION_DEFAULT
if (tikzDocFile.isEmpty())
tikzDocFile = QString::fromLocal8Bit(KTIKZ_TIKZ_DOCUMENTATION_DEFAULT);
#endif
if (tikzDocFileInSettingsEmpty && !tikzDocFile.isEmpty())
storeTikzDocumentationPath(tikzDocFile);
return tikzDocFile;
}
void TikzDocumentationController::storeTikzDocumentationPath(const QString &path)
{
QSettings settings;
settings.setValue(QLatin1String("TikzDocumentation"), path);
}
QString TikzDocumentationController::searchTikzDocumentationInTexTree()
{
const QString kpsewhichCommand = QLatin1String("kpsewhich");
QStringList kpsewhichArguments;
kpsewhichArguments << QLatin1String("--format") << QLatin1String("TeX system documentation") << QLatin1String("pgfmanual.pdf") << QLatin1String("pgfmanual.pdf.gz") << QLatin1String("pgfmanual.ps") << QLatin1String("pgfmanual.ps.gz");
QProcess process;
process.start(kpsewhichCommand, kpsewhichArguments);
process.waitForStarted(1000);
while (process.state() != QProcess::NotRunning)
process.waitForFinished(100 /*msec*/);
QString tikzDocFile = QString::fromLocal8Bit(process.readAllStandardOutput().constData());
int newLinePosition = tikzDocFile.indexOf(QLatin1Char('\n'));
if (newLinePosition >= 0)
tikzDocFile.remove(newLinePosition, tikzDocFile.length());
return tikzDocFile.trimmed();
}
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