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added a first port of musredit form Qt 4.x to Qt 5.x

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suter_a
2015-10-26 19:53:36 +01:00
parent f58cbf1874
commit d44c9a4fdc
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src/musredit_qt5/PFitOutputHandler.cpp Normal file
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/****************************************************************************
PFitOutputHandler.cpp
Author: Andreas Suter
e-mail: andreas.suter@psi.ch
*****************************************************************************/
/***************************************************************************
* Copyright (C) 2009-2014 by Andreas Suter *
* andreas.suter@psi.ch *
* *
* 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, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <QTimer>
#include <QtDebug>
#include "PFitOutputHandler.h"
//----------------------------------------------------------------------------------------------------
/**
* <p>Sets up the fit output handler GUI and starts the actual fit
*
* \param workingDirectory string holding the working directory wished. In this directory the mlog-file will be saved.
* \param cmd command string vector. From this the actuall fit command will be generated and executed.
*/
PFitOutputHandler::PFitOutputHandler(QString workingDirectory, QVector<QString> &cmd)
{
if (cmd.empty())
return;
// Layout
fVbox = new QVBoxLayout( this );
//Qt.3x fVbox->resize(800, 500);
fOutput = new QTextEdit();
fVbox->addWidget(fOutput);
fOutput->setMinimumSize(800, 455);
fOutput->setReadOnly(true);
connect( fOutput, SIGNAL( destroyed() ), this, SLOT( quitButtonPressed() ) );
fQuitButton = new QPushButton( tr("Fitting...") );
fVbox->addWidget(fQuitButton);
connect( fQuitButton, SIGNAL( clicked() ), this, SLOT( quitButtonPressed() ) );
resize( 800, 500 );
fQuitButton->setFocus();
// QProcess related code
fProc = new QProcess( this );
fProc->setWorkingDirectory(workingDirectory);
// Set up the command and arguments.
QString program = cmd[0];
QStringList arguments;
for (int i=1; i<cmd.size(); i++)
arguments << cmd[i];
connect( fProc, SIGNAL( readyReadStandardOutput() ), this, SLOT( readFromStdOut() ) );
connect( fProc, SIGNAL( readyReadStandardError() ), this, SLOT( readFromStdErr() ) );
connect( fProc, SIGNAL( finished(int, QProcess::ExitStatus) ), this, SLOT( processDone(int, QProcess::ExitStatus) ) );
fProc->start(program, arguments);
if ( !fProc->waitForStarted() ) {
// error handling
QString msg(tr("Could not execute the output command: ")+cmd[0]);
QMessageBox::critical( 0,
tr("Fatal error"),
msg,
tr("Quit") );
done(0);
}
fProcPID = fProc->pid();
}
//----------------------------------------------------------------------------------------------------
/**
* <p>Destructor. Checks if the a fit is still running and if yes try to kill it.
*/
PFitOutputHandler::~PFitOutputHandler()
{
if (fProc->state() == QProcess::Running) {
fProc->terminate();
if (!fProc->waitForFinished()) {
qDebug() << "fProc still running, will call kill." << endl;
fProc->kill();
}
fProc->waitForFinished();
}
if (fProc->state() == QProcess::Running) {
QString cmd = "kill -9 "+ fProcPID;
QString msg = "fProc still running even after Qt kill, will try system kill cmd: "+cmd;
qDebug() << msg << endl;
system(cmd.toLatin1());
}
if (fProc) {
delete fProc;
fProc = 0;
}
}
//----------------------------------------------------------------------------------------------------
/**
* <p>Captures the standard output and adds it to the output text edit.
*/
void PFitOutputHandler::readFromStdOut()
{
// Read and process the data.
// Bear in mind that the data might be output in chunks.
fOutput->append( fProc->readAllStandardOutput() );
}
//----------------------------------------------------------------------------------------------------
/**
* <p>Captures the standard error and adds it to the output text edit.
*/
void PFitOutputHandler::readFromStdErr()
{
// Read and process the data.
// Bear in mind that the data might be output in chunks.
fOutput->append( fProc->readAllStandardError() );
}
//----------------------------------------------------------------------------------------------------
/**
* <p>If musrfit finishes, crashes, ..., the quit button text will be changed to done.
*
* \param exitCode exit code of musrfit
* \param exitStatus exit status of musrfit
*/
void PFitOutputHandler::processDone(int exitCode, QProcess::ExitStatus exitStatus)
{
if ((exitStatus == QProcess::CrashExit) && (exitCode != 0))
qDebug() << "**ERROR** PFitOutputHandler::processDone: exitCode = " << exitCode << endl;
fQuitButton->setText("Done");
}
//----------------------------------------------------------------------------------------------------
/**
* <p>If the quit button is pressed while the fit is still running, try to terminate musrfit, if this
* does not work, try to kill musrfit.
*/
void PFitOutputHandler::quitButtonPressed()
{
// if the fitting is still taking place, kill it
if (fProc->state() == QProcess::Running) {
fProc->terminate();
if (!fProc->waitForFinished()) {
fProc->kill();
}
}
accept();
}
//----------------------------------------------------------------------------------------------------
// END
//----------------------------------------------------------------------------------------------------