Model View

#include "dialog.h"
#include "ui_dialog.h"
#include<QtCore>

Dialog::Dialog(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::Dialog)
{
    ui->setupUi(this);
    model = new QStringListModel(this);
    QStringList List;
    List << "cats"<<"Dogs"<<"Birds";
    model->setStringList((List));

    ui->listView->setModel(model);
    ui->comboBox->setModel(model);
    ui->listView->setEditTriggers(QAbstractItemView::AnyKeyPressed|QAbstractItemView::DoubleClicked);
}

Dialog::~Dialog()
{
    delete ui;
}

void Dialog::on_pushButton_clicked()
{
    //add
    int row = model->rowCount();
    model->insertRows(row,1);
    QModelIndex index = model->index(row);
    ui->listView->setCurrentIndex(index);
    ui->listView->edit(index);
}

void Dialog::on_pushButton_2_clicked()
{
    //insert
    int row = ui->listView->currentIndex().row();
    model->insertRows(row,1);
    QModelIndex index = model->index(row);
    ui->listView->setCurrentIndex(index);
    ui->listView->edit(index);
}

void Dialog::on_pushButton_3_clicked()
{
    model->removeRows(ui->listView->currentIndex().row(),1);
}