Qt QListView 简单应用

 1 #ifndef MAINWINDOW_H
 2 #define MAINWINDOW_H
 3 
 4 #include <QMainWindow>
 5 #include <QStringListModel>
 6 #include <QStandardItemModel>
 7 #include <QModelIndex>
 8 
 9 namespace Ui {
10 class MainWindow;
11 }
12 
13 class MainWindow : public QMainWindow
14 {
15     Q_OBJECT
16 
17 public:
18     explicit MainWindow(QWidget *parent = 0);
19     ~MainWindow();
20 
21 private:
22     Ui::MainWindow *ui;
23 
24 public:
25     QStringListModel *Model;
26     QStandardItemModel *ItemModel;
27     void init();
28 
29 private slots:
30     void showClick(QModelIndex index);
31 };
32 
33 #endif // MAINWINDOW_H

 1 #include "mainwindow.h"
 2 #include "ui_mainwindow.h"
 3 #include <QMessageBox>
 4 
 5 MainWindow::MainWindow(QWidget *parent) :
 6     QMainWindow(parent),
 7     ui(new Ui::MainWindow)
 8 {
 9     ui->setupUi(this);
10     init();
11 }
12 
13 void MainWindow::init()
14 {
15 //     QStringList strlist;
16 //     strlist<<"A"<<"B"<<"C"<<"D";
17 //     Model = new QStringListModel(strlist);
18 //     ui->listView->setModel(Model);
19 //     ui->listView->setModel(Model);
20 
21        ItemModel = new QStandardItemModel(this);
22 
23        QStringList strList;
24        strList.append("A");
25        strList.append("B");
26        strList.append("C");
27        strList.append("D");
28        strList.append("E");
29        strList.append("F");
30        strList.append("G");
31 
32        int nCount = strList.size();
33        for(int i = 0; i < nCount; i++)
34        {
35            QString string = static_cast<QString>(strList.at(i));
36            QStandardItem *item = new QStandardItem(string);
37            ItemModel->appendRow(item);
38        }
39       ui->listView->setModel(ItemModel);
40       ui->listView->setFixedSize(200,300);
41 
42       connect(ui->listView,SIGNAL(clicked(QModelIndex)),this,SLOT(showClick(QModelIndex)));
43 }
44 
45 void MainWindow::showClick(QModelIndex index)
46 {
47     QString strTemp;
48     strTemp = index.data().toString();
49 
50     QMessageBox msg;
51     msg.setText(strTemp);
52     msg.exec();
53 
54 
55 }
56 MainWindow::~MainWindow()
57 {
58     delete ui;
59 }