C++ QListView::setDragEnabled方法代码示例

void MainWindow::buildFileBrowser()
{
    QString rootPath = qgetenv("HOME");
    this->drivesModel->setFilter(QDir::NoDotAndDotDot | QDir::Dirs);

    QTreeView *treeView = this->treeView = new QTreeView(this->ui->dockDir);
    treeView->setModel(this->drivesModel);
    treeView->setRootIndex(this->drivesModel->setRootPath(rootPath + "/../"));
    treeView->hideColumn(1);
    treeView->hideColumn(2);
    treeView->hideColumn(3);
    treeView->setEditTriggers(QAbstractItemView::NoEditTriggers);
    treeView->setDragEnabled(true);
    treeView->setDragDropMode(QAbstractItemView::DragOnly);
    this->ui->dockDir->setWidget(treeView);

    this->filesModel->setFilter(QDir::NoDotAndDotDot | QDir::Files);
    QListView *listView = this->listView = new QListView(this->ui->dockFile);
    listView->setModel(this->filesModel);
    listView->setRootIndex(this->filesModel->setRootPath(rootPath));
    listView->setEditTriggers(QAbstractItemView::NoEditTriggers);
    listView->setDragEnabled(true);
    listView->setSelectionMode(QAbstractItemView::ExtendedSelection);
    this->ui->dockFile->setWidget(listView);

    listView->show();
    treeView->show();
}

MainWindow::MainWindow()
{
    QMenu *fileMenu = new QMenu(tr("&File"));

    QAction *quitAction = fileMenu->addAction(tr("E&xit"));
    quitAction->setShortcut(tr("Ctrl+Q"));

    menuBar()->addMenu(fileMenu);

//  For convenient quoting:
//! [0]
QListView *listView = new QListView(this);
listView->setSelectionMode(QAbstractItemView::ExtendedSelection);
listView->setDragEnabled(true);
listView->setAcceptDrops(true);
listView->setDropIndicatorShown(true);
//! [0]

    this->listView = listView;

    connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));

    setupListItems();

    setCentralWidget(listView);
    setWindowTitle(tr("List View"));
}

void AnnotationImagePaletteWidget::addPalette(const QString& path)
{
   QListView* pPalette = new QListView(this);
   pPalette->setWrapping(true);
   pPalette->setLayoutMode(QListView::Batched);
   pPalette->setBatchSize(10);
   pPalette->setMovement(QListView::Static);
   pPalette->setFlow(QListView::LeftToRight);
   pPalette->setIconSize(QSize(32, 32));
   pPalette->setViewMode(QListView::IconMode);
   pPalette->setDragEnabled(true);
   pPalette->setDragDropMode(QAbstractItemView::DragOnly);
   pPalette->setSelectionMode(QAbstractItemView::SingleSelection);
   pPalette->setResizeMode(QListView::Adjust);

   if (QFileInfo(path).isDir())
   {
      QDirModel* pModel = new PaletteModel(this);
      pModel->setFilter(QDir::Files | QDir::Readable);
      QStringList formats;
      QList<QByteArray> rawFormats = QImageReader::supportedImageFormats();
      foreach (const QByteArray& rawFormat, rawFormats)
      {
         formats << "*." + QString(rawFormat);
      }

//.........这里部分代码省略.........
	connect(m_editor, SIGNAL(textChanged()), this, SLOT(editTextChanged()));
	//m_editor->setAcceptRichText(false);
	
	m_highlighter = new SongEditorHighlighter(m_editor->document());
	
	// Arrangement preview box
	m_arrangementPreview = new MyQTextEdit;
	m_arrangementPreview->setFont(font);
	m_arrangementPreview->setReadOnly(true);
	
	QPalette p2 = m_arrangementPreview->palette();
	p2.setColor(QPalette::Base, Qt::lightGray);
	m_arrangementPreview->setPalette(p2);

	editorHBox->addWidget(m_arrangementPreview);
	//m_editor->setAcceptRichText(false);
	
	(void*)new SongEditorHighlighter(m_arrangementPreview->document());
	
	// List view
	m_arrModel = new ArrangementListModel();
	connect(m_arrModel, SIGNAL(blockListChanged(QStringList)), this, SLOT(arrModelChange(QStringList)));
	
	QListView *arrListView = new QListView();
	
	arrListView->setSizePolicy(QSizePolicy(QSizePolicy::Minimum, QSizePolicy::Expanding));
	arrListView->setViewMode(QListView::ListMode);
	arrListView->setWrapping(false);
	arrListView->setFlow(QListView::TopToBottom);
	
	arrListView->setMovement(QListView::Free);
	arrListView->setWordWrap(true);
	arrListView->setSelectionMode(QAbstractItemView::ExtendedSelection);
	arrListView->setDragEnabled(true);
	arrListView->setAcceptDrops(true);
	arrListView->setDropIndicatorShown(true);
	
	arrListView->setModel(m_arrModel);
	m_arrListView = arrListView;
	
	editorHBox->addWidget(arrListView);
	
	editorHBox->setStretchFactor(0,10);
	editorHBox->setStretchFactor(1,10);
	editorHBox->setStretchFactor(2,1);
	
	//vbox->addWidget(m_editor);
	//vbox->addLayout(editorHBox);
	vbox->addWidget(editorHBox);
	
	QHBoxLayout * hboxBottom = new QHBoxLayout();
	
	m_tmplEditButton = new QPushButton("Edit &Template...");
	m_tmplEditButton->setIcon(QIcon(":data/stock-select-color.png"));
	m_tmplEditButton->setToolTip("Edit the template associated with this song arrangement");
	connect(m_tmplEditButton, SIGNAL(clicked()), this, SLOT(editSongTemplate()));
	hboxBottom->addWidget(m_tmplEditButton);
	
	QPushButton *tmplResetButton = new QPushButton("");
	tmplResetButton->setIcon(QIcon(":data/stock-undo.png"));
	tmplResetButton->setToolTip("Reset template on this song to use the current template set in the main Song Browser");
	connect(tmplResetButton, SIGNAL(clicked()), this, SLOT(resetSongTemplate()));
	hboxBottom->addWidget(tmplResetButton);
	
	hboxBottom->addStretch();