ResInsight/Fwk/AppFwk/cafUserInterface/cafUiProcess.cpp
2020-06-19 08:00:01 +02:00

189 lines
7.0 KiB
C++

//##################################################################################################
//
// Custom Visualization Core library
// Copyright (C) 2011-2013 Ceetron AS
//
// This library may be used under the terms of either the GNU General Public License or
// the GNU Lesser General Public License as follows:
//
// GNU General Public License Usage
// This library 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 3 of the License, or
// (at your option) any later version.
//
// This library 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 at <<http://www.gnu.org/licenses/gpl.html>>
// for more details.
//
// GNU Lesser General Public License Usage
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library 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 Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
// for more details.
//
//##################################################################################################
#include "cafUiProcess.h"
#include <QTimer>
namespace caf
{
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
UiProcess::UiProcess( QObject* parent )
: QProcess( parent )
{
connect( this, SIGNAL( started() ), SLOT( slotProcStarted() ) );
connect( this, SIGNAL( error( QProcess::ProcessError ) ), SLOT( slotProcError( QProcess::ProcessError ) ) );
connect( this, SIGNAL( finished( int, QProcess::ExitStatus ) ), SLOT( slotProcFinished( int, QProcess::ExitStatus ) ) );
connect( this, SIGNAL( stateChanged( QProcess::ProcessState ) ), SLOT( slotProcStateChanged( QProcess::ProcessState ) ) );
connect( this, SIGNAL( readyReadStandardError() ), SLOT( slotUpdateStatusMessage() ) );
connect( this, SIGNAL( readyReadStandardOutput() ), SLOT( slotUpdateStatusMessage() ) );
// Use a one sec timer to make sure the status message is updated at least every second
QTimer* timer = new QTimer( this );
connect( timer, SIGNAL( timeout() ), this, SLOT( slotUpdateStatusMessage() ) );
timer->start( 1000 );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void UiProcess::doEmitStatusMsg( const QString& msg, int statusMsgType )
{
QString simpleMsg = msg;
QString formattedMsg = simpleMsg;
if ( statusMsgType == PROCESS_STATE_RUNNING )
formattedMsg = QString( "<font color='green'>%1</font>" ).arg( simpleMsg );
else if ( statusMsgType == PROCESS_STATE_ERROR )
formattedMsg = QString( "<font color='red'>%1</font>" ).arg( simpleMsg );
emit signalStatusMsg( simpleMsg, statusMsgType );
emit signalFormattedStatusMsg( formattedMsg );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void UiProcess::slotProcStarted()
{
m_timer.start();
doEmitStatusMsg( "Started", PROCESS_STATE_NORMAL );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void UiProcess::slotProcError( QProcess::ProcessError error )
{
QString msg = "UNKNOWN";
switch ( error )
{
case QProcess::FailedToStart:
msg = "Failed to start";
break;
case QProcess::Crashed:
msg = "Crashed";
break;
case QProcess::Timedout:
msg = "Timed out";
break;
case QProcess::WriteError:
msg = "Write error";
break;
case QProcess::ReadError:
msg = "Read error";
break;
case QProcess::UnknownError:
msg = "Unknown error";
break;
}
doEmitStatusMsg( msg, PROCESS_STATE_ERROR );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void UiProcess::slotProcFinished( int exitCode, QProcess::ExitStatus exitStatus )
{
if ( exitStatus == QProcess::CrashExit )
{
doEmitStatusMsg( "Crashed or aborted", PROCESS_STATE_ERROR );
}
else if ( exitStatus == QProcess::NormalExit )
{
if ( exitCode == 0 )
{
doEmitStatusMsg( "Finished OK", PROCESS_STATE_NORMAL );
}
else
{
QString msg = QString( "Error exit (code %1)" ).arg( exitCode );
doEmitStatusMsg( msg, PROCESS_STATE_ERROR );
}
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void UiProcess::slotProcStateChanged( QProcess::ProcessState newState )
{
int statusMsgType = PROCESS_STATE_ERROR;
QString msg = "UNKNOWN";
switch ( newState )
{
case QProcess::NotRunning:
msg = "Not running";
statusMsgType = PROCESS_STATE_NORMAL;
break;
case QProcess::Starting:
msg = "Starting...";
statusMsgType = PROCESS_STATE_NORMAL;
break;
case QProcess::Running:
msg = "Running";
statusMsgType = PROCESS_STATE_RUNNING;
break;
}
doEmitStatusMsg( msg, statusMsgType );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void UiProcess::slotUpdateStatusMessage()
{
if ( state() == QProcess::Running )
{
// Use this as a sign that the process is alive and kicking
// Emit a message with the current run time to signify progress
double timeRunning = m_timer.elapsed() / 1000.0;
QString msg = QString( "Running (%1 s)" ).arg( timeRunning, 0, 'f', 1 );
doEmitStatusMsg( msg, PROCESS_STATE_RUNNING );
}
}
} // namespace caf