QT项视图之QListWidget

QT的项视图类有：QListWidget,QTableWidget,QTreeWidget

QT的视图有：QListView,QTableView,QTreeView

QT的模型有：QSqlTableModel,QStringListModel,QDirModel..等

头文件：

#ifndef XLISTWIDGET_H
#define XLISTWIDGET_H
#include <QtGui/QDialog>
#include<QMap>
class QDialogButtonBox;
class QIcon;
class QListWidget;
class XListWidget : public QDialog
{
    Q_OBJECT
public:
    XListWidget(const QMap<int,QString>&symbolMap,QWidget *parent = 0);
    ~XListWidget();
private:
    QIcon iconForSymbol(const QString &symbolName);
    QListWidget *listWidget;
    QDialogButtonBox *buttonBox;
};
#endif // XLISTWIDGET_H

cpp文件：

#include<QDebug>
#include <QtGui>
#include "xlistwidget.h"
XListWidget::XListWidget(const QMap<int,QString>&symbolMap,
                         QWidget *parent)
    : QDialog(parent)
{
    listWidget = new QListWidget;
    listWidget->setIconSize(QSize(60,60));
    QMapIterator<int,QString>i(symbolMap);
    while(i.hasNext()){
        i.next();
        QListWidgetItem *item = new QListWidgetItem(i.value(),listWidget);
        item->setIcon(iconForSymbol(i.value()));
        item->setData(Qt::UserRole,i.key());
    }
    QVBoxLayout *mainLayout = new QVBoxLayout;
    mainLayout->addWidget(listWidget);
    setLayout(mainLayout);
}
XListWidget::~XListWidget()
{
}
QIcon XListWidget::iconForSymbol(const QString &symbolName)
{
    QString fileName = ":/images/" + symbolName.toLower();
    qDebug()<<"fileName"<<fileName;
    fileName.replace(' ', '-');
    return QIcon(fileName);
}

main.cpp

#include <QtGui/QApplication>
#include "xlistwidget.h"
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QMap<int, QString> symbolMap;
    symbolMap.insert(132, QObject::tr("Data.png"));
    symbolMap.insert(134, QObject::tr("Decision.png"));
    symbolMap.insert(137, QObject::tr("Document.png"));
    symbolMap.insert(138, QObject::tr("Manual Input.png"));
    symbolMap.insert(139, QObject::tr("Manual Operation.png"));
    symbolMap.insert(141, QObject::tr("On Page Reference.png"));
    symbolMap.insert(142, QObject::tr("Predefined Process.png"));
    symbolMap.insert(145, QObject::tr("Preparation.png"));
    symbolMap.insert(150, QObject::tr("Printer.png"));
    symbolMap.insert(152, QObject::tr("Process.png"));
    XListWidget w(symbolMap);
    w.show();
    return a.exec();
}