You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
qt3/examples/process/process.cpp

95 lines
2.1 KiB

/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include <qobject.h>
#include <qprocess.h>
#include <qvbox.h>
#include <qtextview.h>
#include <qpushbutton.h>
#include <qapplication.h>
#include <qmessagebox.h>
#include <stdlib.h>
class UicManager : public QVBox
{
Q_OBJECT
public:
UicManager();
~UicManager() {}
public slots:
void readFromStdout();
void scrollToTop();
private:
QProcess *proc;
QTextView *output;
QPushButton *quitButton;
};
UicManager::UicManager()
{
// Layout
output = new QTextView( this );
quitButton = new QPushButton( tr("Quit"), this );
connect( quitButton, SIGNAL(clicked()),
qApp, SLOT(quit()) );
resize( 500, 500 );
// QProcess related code
proc = new QProcess( this );
// Set up the command and arguments.
// On the command line you would do:
// uic -tr i18n "small_dialog.ui"
proc->addArgument( "uic" );
proc->addArgument( "-tr" );
proc->addArgument( "i18n" );
proc->addArgument( "small_dialog.ui" );
connect( proc, SIGNAL(readyReadStdout()),
this, SLOT(readFromStdout()) );
connect( proc, SIGNAL(processExited()),
this, SLOT(scrollToTop()) );
if ( !proc->start() ) {
// error handling
QMessageBox::critical( 0,
tr("Fatal error"),
tr("Could not start the uic command."),
tr("Quit") );
exit( -1 );
}
}
void UicManager::readFromStdout()
{
// Read and process the data.
// Bear in mind that the data might be output in chunks.
output->append( proc->readStdout() );
}
void UicManager::scrollToTop()
{
output->setContentsPos( 0, 0 );
}
int main( int argc, char **argv )
{
QApplication a( argc, argv );
UicManager manager;
a.setMainWidget( &manager );
manager.show();
return a.exec();
}
#include "process.moc"