Retrieving command line arguments inside a Qt application

[prykHetQuo]

We have the code:

#include <QApplication>
#include <QDialog>
#include <QProcess>
#include <cstdlib>
 
#include "dialog.h"
 
 
int main(int argc, char *argv[])
{
	QApplication app(argc, argv);
 
	Dialog dialog;
 
	dialog.show();
 
	if(app.exec()!= 0)
		return EXIT_FAILURE;
}

#include <QApplication>
#include <QDialog>
#include <QProcess>
#include <cstdlib>

#include "dialog.h"


int main(int argc, char *argv[])
{
	QApplication app(argc, argv);
	
	Dialog dialog;
	
	dialog.show();
	
	if(app.exec()!= 0)
		return EXIT_FAILURE;
}

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How can we retrieve the command line arguments, inside the dialog code (declared in dialog.h as "class Dialog: public QDialog, Ui:: Dialog")?


Thanks.

[talk2amulya]

add a public function in Dialog class which takes char* argument and pass the argv to it from main function

[Lykurg]

Hi,

simply use QCoreApplication::arguments () via the qApp pointer but be aware that Qt removes command line arguments that it recognizes!

Lykurg

[talk2amulya]

thanks for the valuable post man, but what do u mean when u say QT recognizes the argument..what kind of argument can it recognize

[Lykurg]

Hey, the known arguments are listed at QApplication::QApplication ( int & argc, char ** argv ). There's also the warning.

Lykurg

[talk2amulya]

oh..so u meant OPTIONS that QApplication recognizes..yeh, in that way its true...thanks for info!