[Solved]Getting error "statusBar was not declared in this scope"?!

reem9611

Hello

I would like to use statusBar() in my application to show some information ,I tried first to implement some examples to understand the concept of the statusBar ,however I don't know why I get this error "statusBar was not declared in this scope"?!

SGaist

Hi,

Can you show the code that is failing ?

ankursaxena

Since You haven't told what is statusBar exactly. I am assuming that you are using statusBar() function.

then please check that have you declared statusBar() method in header file correctly or not.

reem9611

I am tryieng to implement what I need from this example

@#include <QGridLayout>
#include <QLabel>
#include <QFrame>
#include <QStatusBar>
#include "statusbar.h"

Statusbar::Statusbar(QWidget *parent)
: QMainWindow(parent)
{
QFrame *frame = new QFrame(this);
setCentralWidget(frame);

ok = new QPushButton("OK", frame);
ok->move(20, 50);

apply = new QPushButton("Apply", frame);
apply->move(120, 50);

statusBar();

connect(ok, SIGNAL(clicked()), this, SLOT(OnOkPressed()));
connect(apply, SIGNAL(clicked()), this, SLOT(OnApplyPressed()));
}

void Statusbar::OnOkPressed()
{
statusBar()->showMessage("OK button pressed", 2000);
}

void Statusbar::OnApplyPressed()
{
statusBar()->showMessage("Apply button pressed", 2000);
}@
[quote author="SGaist" date="1405505571"]Hi,

And when I compile the code I get this error

Can you show the code that is failing ?[/quote]

SGaist

The name of your widget is not really a good idea, MainWindow would be more meaningful and less error prone.

Do you have by any chance a member variable that's name statusBar ?

ankursaxena

In the constructor , you are calling statusBar() method. But it is not defined in the class. I think that's why it is showing this error.

SGaist

ankursaxena It is: "QMainWindow::statusBar()":http://qt-project.org/doc/qt-5/qmainwindow.html#statusBar

ankursaxena

Ohk Gaist sir. Now i got it.

I have run this code. and It is working perfectly.

reem9611

Yes the code is work when I create a project with base class QMainWindow ,

however when I implement that on my project which the base class is QDialog the error is appear ..

[quote author="SGaist" date="1405510932"]ankursaxena It is: "QMainWindow::statusBar()":http://qt-project.org/doc/qt-5/qmainwindow.html#statusBar[/quote]

ankursaxena

Because statusBar() is defined in the QMainWindow class and I searched and found that it is not defined in QDialog.

reem9611

thanks all for your replies ..
I find a solution Yes as you said statusBar() is defined in QMainWindow class and it is not define in QDialog class.

what I did is adding status bar manually using a layout

@ QLayout *l = new QVBoxLayout(ui->frame);

         QStatusBar *bar = new QStatusBar;
         l->addWidget(bar);

@
[quote author="ankursaxena" date="1405575930"]Because statusBar() is defined in the QMainWindow class and I searched and found that it is not defined in QDialog.[/quote]

SGaist

That's the kind of "minor" detail that you should mention from start