QApplication, QLabel : no such file or directory

Genne

Hello,

I'm a QT beginner. I have been trying to execute below code. But I continuously get 'QApplication and QLabel : no such file or directory' error. I referred to a couple of past posts and tried but failed. Can someone help me with this issue?
I have also added "QT += widgets, core gui" to .pro file.
Thank you

#include <QtWidgets/QApplication>
#include <QtGui/QLabel>
#include <QPixmap>

int main(int argc, char** argv){
	QApplication app(argc, argv);
	QLabel* lb = new QLabel("", 0);
	
	lb->setPixmap(QPixmap("bali.jpg"));
	lb->show();
	
	return app.exec();
}

Genne

@SGaist

I meant 2 separate lines.

QT += core gui
QT += widgets

I think I had a wrong PATH set up. I changed the PATH. Now it works fine. Thank you all your help!

JonB

@Genne

#include <QApplication>
#include <QLabel>
#include <QPixmap>

Plain names in the #includes, not those sub-directories.

jsulm

@Genne Documentation tells you what to include.
For example https://doc.qt.io/qt-5/qapplication.html

#include <QApplication>

mrjj

Hi and welcome to the forums

If you see older examples for Qt, sometimes the includes are no longer valid.
Often you can just remove first part of it
#include <QtWidgets/QApplication>
--->
#include <QApplication>

and then it works.

SGaist

Hi,

@Genne said in QApplication, QLabel : no such file or directory:

QT += widgets, core gui

There's a comma after widgets. Is it a typo here or do you also have that in your .pro file ?

mrjj

@SGaist
The hawkeye :)

Genne

This post is deleted!

Genne

@jsulm said in QApplication, QLabel : no such file or directory:

@Genne Documentation tells you what to include.
For example https://doc.qt.io/qt-5/qapplication.html
#include <QApplication>

I should definitely read it thru. Thank you for the reply

Genne

@SGaist

I meant 2 separate lines.

QT += core gui
QT += widgets

I think I had a wrong PATH set up. I changed the PATH. Now it works fine. Thank you all your help!

SGaist

PATH ? Why did you change that environment variable manually ?