QFile and Creating Files

[Jingoism]

Ok first off I am a total noob at C++ and QT as I just started a few days ago, but I have been trudging through some online tutorials and just recently hit a snag. I am quite sure it's a simple issue, but here goes.

Got a list widget, line edit widget and a button that when pressed outputs the text to the list widget and then outputs to a file. Now I got it working great as long as I hard coded the filename into my program, but when I wanted to possibly create a new file I could not figure out where to put it.

You can see below where I wanted to put it, but I knew it would not work since it was encapsulated by the if statement. I think my brain is fried from looking at all this for too long hehe.

void DialogImpl::doSomething() {
	QString linedt = lineEdit->text(); // Set linedt to the text in the Line Edit box
	if (!file.isOpen()) && ( linedt != "" ) { // If file is not open then open it
		QFile file("/home/jingoism/" + linedt); // This is wrong, and the part I dont understand
		QTextStream out(&file); // Also wrong, should go with QFile
		file.open(QIODevice::WriteOnly | QIODevice::Text); // Open the file as Writeonly
		listWidget->addItem("Opened File!"); // Verify in listWidget file is opened
		listWidget->addItem(linedt); // Add the line of text to the listWidget
		out << linedt << endl; // Add the line to the file
		lineEdit->clear(); // Clear the LineEdit box
	} else {
		if ( linedt != "" ) { // If text in the Line Edit box is not null then proceed
		out << linedt << endl;
		listWidget->addItem(linedt);
		lineEdit->clear();
		}
	}
}

void DialogImpl::doSomething() {
	QString linedt = lineEdit->text(); // Set linedt to the text in the Line Edit box
	if (!file.isOpen()) && ( linedt != "" ) { // If file is not open then open it
		QFile file("/home/jingoism/" + linedt); // This is wrong, and the part I dont understand
		QTextStream out(&file); // Also wrong, should go with QFile
		file.open(QIODevice::WriteOnly | QIODevice::Text); // Open the file as Writeonly
		listWidget->addItem("Opened File!"); // Verify in listWidget file is opened
		listWidget->addItem(linedt); // Add the line of text to the listWidget
		out << linedt << endl; // Add the line to the file
		lineEdit->clear(); // Clear the LineEdit box
	} else {
		if ( linedt != "" ) { // If text in the Line Edit box is not null then proceed
		out << linedt << endl;
		listWidget->addItem(linedt);
		lineEdit->clear();
		}
	}
}

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