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(C++) QListWidgetExample1

 

QtQt CreatorWindows

 

QListWidget example 1 is a QListWidget example.

 

Technical facts

 

Application type(s)

Operating system(s) or programming environment(s)

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Qt project file: ./CppQListWidgetExample1/CppQListWidgetExample1.pro

 

QT       += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TEMPLATE = app

SOURCES += \
  main.cpp \
  dialog.cpp

HEADERS  += dialog.h

FORMS    += dialog.ui

 

 

 

 

 

./CppQListWidgetExample1/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 slots:
  void on_pushButton_clicked();

private:
  Ui::Dialog *ui;
};

#endif // DIALOG_H

 

 

 

 

 

./CppQListWidgetExample1/dialog.cpp

 

#include "dialog.h"
#include "ui_dialog.h"

Dialog::Dialog(QWidget *parent) :
  QDialog(parent),
  ui(new Ui::Dialog)
{
  ui->setupUi(this);
  ui->listWidget->setAlternatingRowColors(true);
}

Dialog::~Dialog()
{
  delete ui;
}

void Dialog::on_pushButton_clicked()
{
  QListWidgetItem * const item = new QListWidgetItem;
  item->setText(ui->lineEdit->text());
  ui->listWidget->addItem(item);
  ui->lineEdit->clear();
}

 

 

 

 

 

./CppQListWidgetExample1/main.cpp

 

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

int main(int argc, char *argv[])
{
  QApplication a(argc, argv);
  Dialog w;
  w.show();

  return a.exec();
}

 

 

 

 

 

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