<QT c++> Display coordinates display dialog box contents

#ifndef Mainwindow_h

#define Mainwindow_h

#include <QMainWindow>

Namespace Ui

{

Class MainWindow;

}

Class Mainwindow:public Qmainwindow

{

Q_object

Public

Explicit MainWindow (Qwidget *parent = 0);

~mainwindow ();

Private Slots:

void Buttonslot ();

Protected

void PaintEvent (Qpaintevent *event);

void Mousepressevent (Qmouseevent *event);

Private

Ui::mainwindow *ui;

QString str;

};

#endif//Mainwindow_h

#include "Mainwindow.h"

#include "Ui_mainwindow.h"

#include <QMessageBox>

#include <QLabel>

#include <QPainter>

#include <QMouseEvent>

Mainwindow::mainwindow (Qwidget *parent):

Qmainwindow (parent),

UI (New Ui::mainwindow)

{

UI->SETUPUI (this);

Qobject::connect (Ui->pushbutton,signal (clicked ()), This,slot (Buttonslot ()));//connection signals and slots

}

Mainwindow::~mainwindow ()//destructor

{

Delete UI;

}

void Mainwindow::buttonslot ()

{

Str=ui->lineedit->text ();

Ui->textbrowser->settext (str);

}//put lineedit content in browser

void MainWindow::p aintevent (qpaintevent *event)

{

Q_unused (event);

qpainter painter (this);

Painter.drawtext (170,75, "coordinates-");

}//use painter to write anything.

void Mainwindow::mousepressevent (Qmouseevent *event)

{

Ui->label->settext (QString ("<center>
}//coordinates display to label

#include "Mainwindow.h"
#include <QApplication>

int main (int argc, char *argv[])
{
Qapplication A (argc, argv);
MainWindow W;

W.show ();

return A.exec ();
}
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Uploading a picture is really troublesome.

<QT c++> Display coordinates display dialog box contents