(C++) QScrollArea: example 1

QScrollArea: example 1 is a QScrollArea example.

Technical facts

Application type(s)

Desktop application

Operating system(s) or programming environment(s)

Lubuntu 12.10 (quantal)

IDE(s):

Qt Creator 2.5.2

Project type:

GUI application

C++ standard:

C++98

Compiler(s):

G++ 4.7.2

Libraries used:

Qt: version 4.8.3 (32 bit)
STL: GNU ISO C++ Library, version 4.7.2

Qt project file: CppQScrollAreaExample1.pro


QT       += core gui

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TEMPLATE = app

SOURCES += main.cpp\

        dialog.cpp

HEADERS  += dialog.h

FORMS    += dialog.ui

dialog.h


#ifndef DIALOG_H

#define DIALOG_H



#include <QDialog>



namespace Ui {

  class Dialog;

}



class Dialog : public QDialog

{

  Q_OBJECT

  

public:

  explicit Dialog(QWidget *parent = 0);

  ~Dialog();

  

private:

  Ui::Dialog *ui;

};



#endif // DIALOG_H

dialog.cpp


#include "dialog.h"



#include <QVBoxLayout>

#include <QLabel>



#include "ui_dialog.h"





Dialog::Dialog(QWidget *parent)

  : QDialog(parent),

  ui(new Ui::Dialog)

{

  ui->setupUi(this);



  QVBoxLayout * const layout = new QVBoxLayout(ui->scrollAreaWidgetContents);

  for(int i=0; i!=100; ++i)

  {

    layout->addWidget(new QLabel(QString::number(i)));

  }



}



Dialog::~Dialog()

{

  delete ui;

}

main.cpp


#include <QApplication>

#include "dialog.h"



int main(int argc, char *argv[])

{

  QApplication a(argc, argv);

  Dialog w;

  w.show();

  

  return a.exec();

}

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