void ChildForm::runProcess()
{
RunProcessDialog rpd(this);
// If the process failed to start, then it
// cannot be deleted from the processError call
// because it may be called from within the call to
// _proc->start()... so _proc cannot be deleted...
if ((_proc != nullptr) && (_procError == true))
{
deleteProcess();
}
if (_proc == nullptr)
{
if (rpd.exec() == RunProcessDialog::Accepted)
{
_procError = false;
_redirectStdout = rpd.isStdoutRedirected();
_redirectStderr = rpd.isStderrRedirected();
_proc = new QProcess(this);
connect(_proc, SIGNAL(readyReadStandardOutput()), this, SLOT(readFromStdout()));
connect(_proc, SIGNAL(readyReadStandardError()), this, SLOT(readFromStderr()));
connect(_proc, SIGNAL(error(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
connect(_proc, SIGNAL(finished(int,QProcess::ExitStatus)), this,
SLOT(processDone(int,QProcess::ExitStatus)));
_proc->setWorkingDirectory(rpd.getWorkingDirectory());
QStringList args = rpd.getArguments();
suppressOutput(rpd.isOutputSuppressed());
MainWindow::getMainWindow()->swapProcessIcon(true);
_proc->start(rpd.getProgram(), args);
}
}
void TgtProcessIntf::tgtMakeConnection()
{
std::shared_ptr<const TgtConnectionConfig> connectionConfig = std::dynamic_pointer_cast<const TgtConnectionConfig>(
_connectionConfig);
_proc = new QProcess(this);
connect(_proc, SIGNAL(readyReadStandardOutput()), this, SLOT(readFromStdout()));
connect(_proc, SIGNAL(readyReadStandardError()), this, SLOT(readFromStderr()));
connect(_proc, SIGNAL(error(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
connect(_proc, SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(processDone(int,QProcess::ExitStatus)));
_proc->setWorkingDirectory(connectionConfig->_workingDir.c_str());
QStringList args(connectionConfig->_args.c_str());
QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
env.insert("TERM", "xterm");
env.insert("COLORTERM", "gnome-terminal");
_proc->setProcessEnvironment(env);
_proc->start(connectionConfig->_program.c_str(), args);
_processWriterThread = TgtThread::create(boost::protect(std::bind(&TgtProcessIntf::writerThread, this)));
}
/*! \internal
*/
bool QProcessPrivate::canReadStandardError()
{
Q_Q(QProcess);
qint64 available = bytesAvailableFromStderr();
if (available == 0) {
if (errorReadSocketNotifier)
errorReadSocketNotifier->setEnabled(false);
destroyPipe(errorReadPipe);
return false;
}
char *ptr = errorReadBuffer.reserve(available);
qint64 readBytes = readFromStderr(ptr, available);
if (readBytes == -1) {
processError = QProcess::ReadError;
q->setErrorString(QT_TRANSLATE_NOOP(QProcess, QLatin1String("Error reading from process")));
emit q->error(processError);
return false;
}
if (standardErrorClosed) {
errorReadBuffer.truncate(readBytes);
return false;
}
errorReadBuffer.truncate(available - readBytes);
bool didRead = false;
if (readBytes == 0) {
if (errorReadSocketNotifier)
errorReadSocketNotifier->setEnabled(false);
} else if (processChannel == QProcess::StandardError) {
didRead = true;
if (!emittedReadyRead) {
emittedReadyRead = true;
emit q->readyRead();
emittedReadyRead = false;
}
}
emit q->readyReadStandardError();
return didRead;
}
CommandManager::CommandManager(QWidget * parent, const char * name, const QStringList & args )
: QDialog( parent)
{
EndMessage = "\n\n EXECUTION COMPLETED ! ! ! "; // default
// Layout
setFixedSize ( 550, 500 ) ;
//setCaption( name );
setWindowTitle(name);
//qt3to4 -- BW
//output = new Q3TextEdit( this );
output = new QTextEdit( this );
output->setReadOnly( true );
output->setGeometry( QRect( 20, 20, 510, 430 ) );
//qt3to4 -- BW
//output->setHScrollBarMode ( Q3ScrollView::Auto );
output->setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);
//output->setWordWrap( Q3TextEdit::NoWrap );
output->setWordWrapMode(QTextOption::NoWrap);
// output->setTextFormat( Qt::RichText );
quitButton = new QPushButton( tr("&Close"), this );
quitButton->move(390, 465);
connect( quitButton, SIGNAL(clicked()),
this, SLOT(close()) );
quitButton->setEnabled( false );
killButton = new QPushButton( tr("&Kill"), this );
killButton->move(270, 465);
connect( killButton, SIGNAL(clicked()),
this, SLOT(killProcess()) );
// QProcess related code
//qt3to4 -- BW
//proc = new Q3Process( this );
proc = new QProcess( this );
//proc->clearArguments();
// Set up the command and arguments.
//qt3to4 -- BW
//proc->setArguments ( args );
//proc->setCommunication(QProcess::Stdout | QProcess::Stderr | QProcess::DupStderr);
connect( proc, SIGNAL(readyReadStandardOutput()),
this, SLOT(readFromStdout()) );
connect( proc, SIGNAL(readyReadStandardError()),
this, SLOT(readFromStderr()) );
connect( proc, SIGNAL(finished(int, QProcess::ExitStatus)),
this, SLOT(scrollToTop()) );
// output->setText( (QString)"<u>EXECUTING :</u>"+args.join( " " ) );
//qt3to4 -- BW
//output->insert( (QString)"EXECUTING : "+args.join( " " ) +(QString)"\n",
// (uint)Q3TextEdit::CheckNewLines | Q3TextEdit::RemoveSelected );
output->insertPlainText( (QString)"EXECUTING : "+args.join( " " ) +(QString)"\n");
//qt3to4 -- BW
QString prog = args.first();
QStringList args2 = args.mid(1);
proc->start(prog,args2);
//qt3to4 -- BW
//if ( !proc->start() ) {
if(proc->error()==QProcess::FailedToStart) {
// error handling
//QString errorM = "Could not start the command: \n" +args.join( "\n" );
QString errorM = args.join( "\n" );
QMessageBox::critical( 0,
tr("Fatal error"),
tr("Could not start the command: \ni %1").arg(errorM),
tr("Quit") );
//exit( -1 );
}
}
