C++ QDockWidget::raise方法代码示例

void MainWindow::createDockWindows()
{
	// Engine debug
	QDockWidget* engineDebugDock = new QDockWidget(tr("Engine Debug"), this);
	m_engineDebugLog = new PlainTextLog(engineDebugDock);
	connect(m_engineDebugLog, SIGNAL(saveLogToFileRequest()), this,
		SLOT(saveLogToFile()));
	engineDebugDock->setWidget(m_engineDebugLog);

	addDockWidget(Qt::BottomDockWidgetArea, engineDebugDock);

	// Move list
	QDockWidget* moveListDock = new QDockWidget(tr("Moves"), this);
	moveListDock->setWidget(m_moveList);

	addDockWidget(Qt::RightDockWidgetArea, moveListDock);

	// Tags
	QDockWidget* tagsDock = new QDockWidget(tr("Tags"), this);
	QTreeView* tagsView = new QTreeView(tagsDock);
	tagsView->setModel(m_tagsModel);
	tagsView->setAlternatingRowColors(true);
	tagsView->setRootIsDecorated(false);
	tagsDock->setWidget(tagsView);

	addDockWidget(Qt::RightDockWidgetArea, tagsDock);

	tabifyDockWidget(moveListDock, tagsDock);
	moveListDock->raise();

	// Add toggle view actions to the View menu
	m_viewMenu->addAction(moveListDock->toggleViewAction());
	m_viewMenu->addAction(tagsDock->toggleViewAction());
	m_viewMenu->addAction(engineDebugDock->toggleViewAction());
}

void FancyMainWindow::onDockActionTriggered()
{
    QDockWidget *dw = qobject_cast<QDockWidget *>(sender()->parent());
    if (dw) {
        if (dw->isVisible())
            dw->raise();
    }
}

void ControlSingleton::showDialog(Gui::TaskView::TaskDialog *dlg)
{
    // only one dialog at a time
    assert(!ActiveDialog || ActiveDialog==dlg);
    Gui::DockWnd::CombiView* pcCombiView = qobject_cast<Gui::DockWnd::CombiView*>
        (Gui::DockWindowManager::instance()->getDockWindow("Combo View"));
    // should return the pointer to combo view
    if (pcCombiView) {
        pcCombiView->showDialog(dlg);
        // make sure that the combo view is shown
        QDockWidget* dw = qobject_cast<QDockWidget*>(pcCombiView->parentWidget());
        if (dw) {
            dw->setVisible(true);
            dw->toggleViewAction()->setVisible(true);
            dw->setFeatures(QDockWidget::DockWidgetMovable|QDockWidget::DockWidgetFloatable);
        }

        if (ActiveDialog == dlg)
            return; // dialog is already defined
        ActiveDialog = dlg;
        connect(dlg, SIGNAL(destroyed()), this, SLOT(closedDialog()));
    }
    // not all workbenches have the combo view enabled
    else if (!_taskPanel) {
        QDockWidget* dw = new QDockWidget();
        dw->setWindowTitle(tr("Task panel"));
        dw->setFeatures(QDockWidget::DockWidgetMovable);
        _taskPanel = new Gui::TaskView::TaskView(dw);
        dw->setWidget(_taskPanel);
        _taskPanel->showDialog(dlg);
        getMainWindow()->addDockWidget(Qt::LeftDockWidgetArea, dw);
        connect(dlg, SIGNAL(destroyed()), dw, SLOT(deleteLater()));

        // if we have the normal tree view available then just tabify with it
        QWidget* treeView = Gui::DockWindowManager::instance()->getDockWindow("Tree view");
        QDockWidget* par = treeView ? qobject_cast<QDockWidget*>(treeView->parent()) : 0;
        if (par && par->isVisible()) {
            getMainWindow()->tabifyDockWidget(par, dw);
            qApp->processEvents(); // make sure that the task panel is tabified now
            dw->show();
            dw->raise();
        }
    }
}

//.........这里部分代码省略.........
    QByteArray iconArray = helpEngineWrapper.applicationIcon();
    if (iconArray.size() > 0) {
        QPixmap pix;
        pix.loadFromData(iconArray);
        QIcon appIcon(pix);
        qApp->setWindowIcon(appIcon);
    } else {
        QIcon appIcon(QLatin1String(":/trolltech/assistant/images/assistant-128.png"));
        qApp->setWindowIcon(appIcon);
    }

    QToolBar *toolBar = addToolBar(tr("Bookmark Toolbar"));
    toolBar->setObjectName(QLatin1String("Bookmark Toolbar"));
    bookMarkManager->setBookmarksToolbar(toolBar);

    // Show the widget here, otherwise the restore geometry and state won't work
    // on x11.
    show();

    toolBar->hide();
    toolBarMenu()->addAction(toolBar->toggleViewAction());

    QByteArray ba(helpEngineWrapper.mainWindow());
    if (!ba.isEmpty())
        restoreState(ba);

    ba = helpEngineWrapper.mainWindowGeometry();
    if (!ba.isEmpty()) {
        restoreGeometry(ba);
    } else {
        tabifyDockWidget(contentDock, indexDock);
        tabifyDockWidget(indexDock, bookmarkDock);
        tabifyDockWidget(bookmarkDock, searchDock);
        contentDock->raise();
        const QRect screen = QApplication::desktop()->screenGeometry();
        resize(4*screen.width()/5, 4*screen.height()/5);
    }

    if (!helpEngineWrapper.hasFontSettings()) {
        helpEngineWrapper.setUseAppFont(false);
        helpEngineWrapper.setUseBrowserFont(false);
        helpEngineWrapper.setAppFont(qApp->font());
        helpEngineWrapper.setAppWritingSystem(QFontDatabase::Latin);
        helpEngineWrapper.setBrowserFont(qApp->font());
        helpEngineWrapper.setBrowserWritingSystem(QFontDatabase::Latin);
    } else {
        updateApplicationFont();
    }

    updateAboutMenuText();

    QTimer::singleShot(0, this, SLOT(insertLastPages()));
    if (m_cmdLine->enableRemoteControl())
        (void)new RemoteControl(this);

    if (m_cmdLine->contents() == CmdLineParser::Show)
        showContents();
    else if (m_cmdLine->contents() == CmdLineParser::Hide)
        hideContents();

    if (m_cmdLine->index() == CmdLineParser::Show)
        showIndex();
    else if (m_cmdLine->index() == CmdLineParser::Hide)
        hideIndex();

    if (m_cmdLine->bookmarks() == CmdLineParser::Show)

PDFViewer::PDFViewer(const QString & pdf_doc, QWidget *parent, Qt::WindowFlags flags) :
  QMainWindow(parent, flags)
{
  QtPDF::PDFDocumentWidget *docWidget = new QtPDF::PDFDocumentWidget(this);
  connect(this, SIGNAL(switchInterfaceLocale(QLocale)), docWidget, SLOT(switchInterfaceLocale(QLocale)));

#ifdef USE_MUPDF
  docWidget->setDefaultBackend(QString::fromLatin1("mupdf"));
#elif USE_POPPLERQT
  docWidget->setDefaultBackend(QString::fromLatin1("poppler-qt"));
#else
  #error At least one backend is required
#endif

  if (!pdf_doc.isEmpty() && docWidget)
    docWidget->load(pdf_doc);
  docWidget->goFirst();

  _counter = new PageCounter(this->statusBar());
  _zoomWdgt = new ZoomTracker(this);
  _search = new SearchLineEdit(this);
  _toolBar = new QToolBar(this);

  _toolBar->addAction(QIcon(QString::fromUtf8(":/QtPDF/icons/document-open.png")), tr("Open..."), this, SLOT(open()));
  _toolBar->addSeparator();

  _toolBar->addAction(QIcon(QString::fromUtf8(":/QtPDF/icons/zoomin.png")), tr("Zoom In"), docWidget, SLOT(zoomIn()));
  _toolBar->addAction(QIcon(QString::fromUtf8(":/QtPDF/icons/zoomout.png")), tr("Zoom Out"), docWidget, SLOT(zoomOut()));
  _toolBar->addAction(QIcon(QString::fromUtf8(":/QtPDF/icons/zoom-fitwidth.png")), tr("Fit to Width"), docWidget, SLOT(zoomFitWidth()));
  _toolBar->addAction(QIcon(QString::fromUtf8(":/QtPDF/icons/zoom-fitwindow.png")), tr("Fit to Window"), docWidget, SLOT(zoomFitWindow()));

  _toolBar->addSeparator();
  _toolBar->addAction(QIcon(QString::fromUtf8(":/QtPDF/icons/pagemode-single.png")), tr("Single Page Mode"), docWidget, SLOT(setSinglePageMode()));
  _toolBar->addAction(QIcon(QString::fromUtf8(":/QtPDF/icons/pagemode-continuous.png")), tr("One Column Continuous Page Mode"), docWidget, SLOT(setOneColContPageMode()));
  _toolBar->addAction(QIcon(QString::fromUtf8(":/QtPDF/icons/pagemode-twocols.png")), tr("Two Columns Continuous Page Mode"), docWidget, SLOT(setTwoColContPageMode()));
  _toolBar->addAction(QIcon(QString::fromUtf8(":/QtPDF/icons/pagemode-present.png")), tr("Presentation Mode"), docWidget, SLOT(setPresentationMode()));
  // TODO: fullscreen mode for presentations

  _toolBar->addSeparator();
  _toolBar->addAction(QIcon(QString::fromUtf8(":/QtPDF/icons/zoom.png")), tr("Magnify"), docWidget, SLOT(setMouseModeMagnifyingGlass()));
  _toolBar->addAction(QIcon(QString::fromUtf8(":/QtPDF/icons/hand.png")), tr("Pan"), docWidget, SLOT(setMouseModeMove()));
  _toolBar->addAction(QIcon(QString::fromUtf8(":/QtPDF/icons/zoom-select.png")), tr("Marquee Zoom"), docWidget, SLOT(setMouseModeMarqueeZoom()));
  _toolBar->addAction(QIcon(QString::fromUtf8(":/QtPDF/icons/measure.png")), tr("Measure"), docWidget, SLOT(setMouseModeMeasure()));
  _toolBar->addAction(QIcon(QString::fromUtf8(":/QtPDF/icons/select-text.png")), tr("Select"), docWidget, SLOT(setMouseModeSelect()));

  _counter->setLastPage(docWidget->lastPage());
  connect(docWidget, SIGNAL(changedPage(int)), _counter, SLOT(setCurrentPage(int)));
  connect(docWidget, SIGNAL(changedZoom(qreal)), _zoomWdgt, SLOT(setZoom(qreal)));
  connect(docWidget, SIGNAL(requestOpenUrl(const QUrl)), this, SLOT(openUrl(const QUrl)));
  connect(docWidget, SIGNAL(requestOpenPdf(QString, QtPDF::PDFDestination, bool)), this, SLOT(openPdf(QString, QtPDF::PDFDestination, bool)));
  connect(docWidget, SIGNAL(contextClick(const int, const QPointF)), this, SLOT(syncFromPdf(const int, const QPointF)));
  connect(docWidget, SIGNAL(searchProgressChanged(int, int)), this, SLOT(searchProgressChanged(int, int)));
  connect(docWidget, SIGNAL(changedDocument(const QWeakPointer<QtPDF::Backend::Document>)), this, SLOT(documentChanged(const QWeakPointer<QtPDF::Backend::Document>)));

  _toolBar->addSeparator();
#ifdef DEBUG
  // FIXME: Remove this
  _toolBar->addAction(QString::fromUtf8("en"), this, SLOT(setEnglishLocale()));
  _toolBar->addAction(QString::fromUtf8("de"), this, SLOT(setGermanLocale()));
  _toolBar->addSeparator();
#endif
  _toolBar->addWidget(_search);
  connect(_search, SIGNAL(searchRequested(QString)), docWidget, SLOT(search(QString)));
  connect(_search, SIGNAL(gotoNextResult()), docWidget, SLOT(nextSearchResult()));
  connect(_search, SIGNAL(gotoPreviousResult()), docWidget, SLOT(previousSearchResult()));
  connect(_search, SIGNAL(searchCleared()), docWidget, SLOT(clearSearchResults()));

  statusBar()->addPermanentWidget(_counter);
  statusBar()->addWidget(_zoomWdgt);
  addToolBar(_toolBar);
  setCentralWidget(docWidget);

  QDockWidget * toc = docWidget->dockWidget(QtPDF::PDFDocumentView::Dock_TableOfContents, this);
  addDockWidget(Qt::LeftDockWidgetArea, toc);
  tabifyDockWidget(toc, docWidget->dockWidget(QtPDF::PDFDocumentView::Dock_MetaData, this));
  tabifyDockWidget(toc, docWidget->dockWidget(QtPDF::PDFDocumentView::Dock_Fonts, this));
  tabifyDockWidget(toc, docWidget->dockWidget(QtPDF::PDFDocumentView::Dock_Permissions, this));
  tabifyDockWidget(toc, docWidget->dockWidget(QtPDF::PDFDocumentView::Dock_Annotations, this));
  toc->raise();

  QShortcut * goPrevViewRect = new QShortcut(QKeySequence(tr("Alt+Left")), this);
  connect(goPrevViewRect, SIGNAL(activated()), docWidget, SLOT(goPrevViewRect()));
}

//.........这里部分代码省略.........
	searchTable->verticalHeader()->setVisible(false);
	//searchTable->horizontalHeader()->setVisible(false);
	searchTable->horizontalHeader()->setHighlightSections(false);
	searchTable->horizontalHeader()->setStretchLastSection(true);

	//install delagate on third column
	SaagharItemDelegate *searchDelegate = new SaagharItemDelegate(searchTable, searchTable->style(), phrase);
	searchTable->setItemDelegateForColumn(2, searchDelegate);
	connect(this, SIGNAL(searchFiltered(const QString &)), searchDelegate, SLOT(keywordChanged(const QString &)) );

	//searchTable->setItemDelegateForColumn(2, new SaagharItemDelegate(searchTable, searchTable->style(), phrase));

	searchTableGridLayout->addWidget(searchTable, 0, 0, 1, 1);

//	QVBoxLayout *searchNavVerticalLayout = new QVBoxLayout();
//	searchNavVerticalLayout->setSpacing(6);
//	searchNavVerticalLayout->setObjectName(QString::fromUtf8("searchNavVerticalLayout"));

	searchNextPage = new QToolButton(searchResultContents);
	searchNextPage->setObjectName(QString::fromUtf8("searchNextPage"));
	searchNextPage->setStyleSheet("QToolButton { border: none; padding: 0px; }");

	actSearchNextPage = new QAction(searchResultContents);
	searchNextPage->setDefaultAction(actSearchNextPage);

	connect(searchNextPage, SIGNAL(triggered(QAction *)), this, SLOT(searchPageNavigationClicked(QAction *)));

	searchNextPage->setEnabled(false);
	searchNextPage->hide();
	
	//searchNavVerticalLayout->addWidget(searchNextPage);

	searchPreviousPage = new QToolButton(searchResultContents);
	searchPreviousPage->setObjectName(QString::fromUtf8("searchPreviousPage"));
	searchPreviousPage->setStyleSheet("QToolButton { border: none; padding: 0px; }");
	
	actSearchPreviousPage = new QAction(searchResultContents);
	searchPreviousPage->setDefaultAction(actSearchPreviousPage);

	if (qmw->layoutDirection() == Qt::LeftToRight)
	{
		actSearchPreviousPage->setIcon(QIcon(iconThemePath+"/previous.png"));
		actSearchNextPage->setIcon(QIcon(iconThemePath+"/next.png"));
	}
	else
	{
		actSearchPreviousPage->setIcon(QIcon(iconThemePath+"/next.png"));
		actSearchNextPage->setIcon(QIcon(iconThemePath+"/previous.png"));
	}

	connect(searchPreviousPage, SIGNAL(triggered(QAction *)), this, SLOT(searchPageNavigationClicked(QAction *)));

	searchPreviousPage->setEnabled(false);
	searchPreviousPage->hide();

//	searchNavVerticalLayout->addWidget(searchPreviousPage);

	//QSpacerItem *searchNavVerticalSpacer = new QSpacerItem(20, 40, QSizePolicy::Minimum, QSizePolicy::Expanding);

	//searchNavVerticalLayout->addItem(searchNavVerticalSpacer);

//	if (moreThanOnePage)
//		horizontalLayout->addLayout(searchNavVerticalLayout);

	filterHorizontalLayout->addWidget(searchPreviousPage);
	filterHorizontalLayout->addWidget(searchNextPage);
	filterHorizontalLayout->addWidget(pageLabel, 0, Qt::AlignRight|Qt::AlignCenter);
	searchTableGridLayout->addLayout(filterHorizontalLayout, 1, 0, 1, 1);

	horizontalLayout->addLayout(searchTableGridLayout);

	searchGridLayout->addLayout(horizontalLayout, 0, 0, 1, 1);

/****************************/
	QDockWidget *tmpDockWidget = 0;
	QObjectList mainWindowChildren = qmw->children();
	for (int i=0; i < mainWindowChildren.size(); ++i)
	{
		tmpDockWidget = qobject_cast<QDockWidget *>(mainWindowChildren.at(i));
		if (tmpDockWidget)
		{
			if (mainWindowChildren.at(i)->objectName() == "searchResultWidget_old")
			break;
		}
	}

/****************************************/
	searchResultWidget->setWidget(searchResultContents);
	
	qmw->addDockWidget(Qt::LeftDockWidgetArea, searchResultWidget);
	
	if (tmpDockWidget && tmpDockWidget->objectName() == "searchResultWidget_old") //there is another search results dock-widget present
		qmw->tabifyDockWidget(tmpDockWidget, searchResultWidget);

	
	searchResultWidget->setObjectName("searchResultWidget_old");

	searchResultWidget->show();
	searchResultWidget->raise();
}

void tst_QDockWidget::visibilityChanged()
{
    QMainWindow mw;
    QDockWidget dw;
    QSignalSpy spy(&dw, SIGNAL(visibilityChanged(bool)));

    mw.addDockWidget(Qt::LeftDockWidgetArea, &dw);
    mw.show();

    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.at(0).at(0).toBool(), true);
    spy.clear();

    dw.hide();
    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.at(0).at(0).toBool(), false);
    spy.clear();

    dw.hide();
    QCOMPARE(spy.count(), 0);

    dw.show();
    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.at(0).at(0).toBool(), true);
    spy.clear();

    dw.show();
    QCOMPARE(spy.count(), 0);

    QDockWidget dw2;
    mw.tabifyDockWidget(&dw, &dw2);
    dw2.show();
    dw2.raise();
    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.at(0).at(0).toBool(), false);
    spy.clear();

    dw2.hide();
    qApp->processEvents();
    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.at(0).at(0).toBool(), true);
    spy.clear();

    dw2.show();
    dw2.raise();
    qApp->processEvents();
    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.at(0).at(0).toBool(), false);
    spy.clear();

    dw.raise();
    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.at(0).at(0).toBool(), true);
    spy.clear();

    dw.raise();
    QCOMPARE(spy.count(), 0);

    dw2.raise();
    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.at(0).at(0).toBool(), false);
    spy.clear();

    dw2.raise();
    QCOMPARE(spy.count(), 0);

    mw.addDockWidget(Qt::RightDockWidgetArea, &dw2);
    QTest::qWait(200);
    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.at(0).at(0).toBool(), true);
}

void VolumeViewer::initUserInterfaceWidgets()
{
  // Create a toolbar at the top of the window.
  QToolBar *toolbar = addToolBar("toolbar");

  // Add preferences widget and callback.
  PreferencesDialog *preferencesDialog = new PreferencesDialog(this, boundingBox);
  QAction *showPreferencesAction = new QAction("Preferences", this);
  connect(showPreferencesAction, SIGNAL(triggered()), preferencesDialog, SLOT(show()));
  toolbar->addAction(showPreferencesAction);

  // Add the "auto rotate" widget and callback.
  autoRotateAction = new QAction("Auto rotate", this);
  autoRotateAction->setCheckable(true);
  connect(autoRotateAction, SIGNAL(toggled(bool)), this, SLOT(autoRotate(bool)));
  toolbar->addAction(autoRotateAction);

  // Add the "next timestep" widget and callback.
  QAction *nextTimeStepAction = new QAction("Next timestep", this);
  connect(nextTimeStepAction, SIGNAL(triggered()), this, SLOT(nextTimeStep()));
  toolbar->addAction(nextTimeStepAction);

  // Add the "play timesteps" widget and callback.
  QAction *playTimeStepsAction = new QAction("Play timesteps", this);
  playTimeStepsAction->setCheckable(true);
  connect(playTimeStepsAction, SIGNAL(toggled(bool)), this, SLOT(playTimeSteps(bool)));
  toolbar->addAction(playTimeStepsAction);

  // Connect the "play timesteps" timer.
  connect(&playTimeStepsTimer, SIGNAL(timeout()), this, SLOT(nextTimeStep()));

  // Add the "add geometry" widget and callback.
  QAction *addGeometryAction = new QAction("Add geometry", this);
  connect(addGeometryAction, SIGNAL(triggered()), this, SLOT(addGeometry()));
  toolbar->addAction(addGeometryAction);

  // Add the "screenshot" widget and callback.
  QAction *screenshotAction = new QAction("Screenshot", this);
  connect(screenshotAction, SIGNAL(triggered()), this, SLOT(screenshot()));
  toolbar->addAction(screenshotAction);

  // Create the transfer function editor dock widget, this widget modifies the transfer function directly.
  QDockWidget *transferFunctionEditorDockWidget = new QDockWidget("Transfer Function", this);
  transferFunctionEditor = new TransferFunctionEditor(transferFunction);
  transferFunctionEditorDockWidget->setWidget(transferFunctionEditor);
  connect(transferFunctionEditor, SIGNAL(committed()), this, SLOT(commitVolumes()));
  connect(transferFunctionEditor, SIGNAL(committed()), this, SLOT(render()));
  addDockWidget(Qt::LeftDockWidgetArea, transferFunctionEditorDockWidget);

  // Set the transfer function editor widget to its minimum allowed height, to leave room for other dock widgets.
  transferFunctionEditor->setMaximumHeight(transferFunctionEditor->minimumSize().height());

  // Create slice editor dock widget.
  QDockWidget *sliceEditorDockWidget = new QDockWidget("Slices", this);
  sliceEditor = new SliceEditor(boundingBox);
  sliceEditorDockWidget->setWidget(sliceEditor);
  connect(sliceEditor, SIGNAL(slicesChanged(std::vector<SliceParameters>)), this, SLOT(setSlices(std::vector<SliceParameters>)));
  addDockWidget(Qt::LeftDockWidgetArea, sliceEditorDockWidget);

  // Create isosurface editor dock widget.
  QDockWidget *isosurfaceEditorDockWidget = new QDockWidget("Isosurfaces", this);
  isosurfaceEditor = new IsosurfaceEditor();
  isosurfaceEditorDockWidget->setWidget(isosurfaceEditor);
  connect(isosurfaceEditor, SIGNAL(isovaluesChanged(std::vector<float>)), this, SLOT(setIsovalues(std::vector<float>)));
  addDockWidget(Qt::LeftDockWidgetArea, isosurfaceEditorDockWidget);

  // Create the light editor dock widget, this widget modifies the light directly.
  QDockWidget *lightEditorDockWidget = new QDockWidget("Lights", this);
  LightEditor *lightEditor = new LightEditor(ambientLight, directionalLight);
  lightEditorDockWidget->setWidget(lightEditor);
  connect(lightEditor, SIGNAL(lightsChanged()), this, SLOT(render()));
  addDockWidget(Qt::LeftDockWidgetArea, lightEditorDockWidget);

  // Create the probe dock widget.
  QDockWidget *probeDockWidget = new QDockWidget("Probe", this);
  probeWidget = new ProbeWidget(this);
  probeDockWidget->setWidget(probeWidget);
  addDockWidget(Qt::LeftDockWidgetArea, probeDockWidget);

  // Tabify dock widgets.
  tabifyDockWidget(transferFunctionEditorDockWidget, sliceEditorDockWidget);
  tabifyDockWidget(transferFunctionEditorDockWidget, isosurfaceEditorDockWidget);
  tabifyDockWidget(transferFunctionEditorDockWidget, lightEditorDockWidget);
  tabifyDockWidget(transferFunctionEditorDockWidget, probeDockWidget);

  // Tabs on top.
  setTabPosition(Qt::LeftDockWidgetArea, QTabWidget::North);

  // Default to showing transfer function tab widget.
  transferFunctionEditorDockWidget->raise();

  // Add the current OSPRay object file label to the bottom status bar.
  statusBar()->addWidget(&currentFilenameInfoLabel);
}

//.........这里部分代码省略.........
            m_pointView, SLOT(toggleDrawCursor()));
    connect(drawAxes, SIGNAL(triggered()),
            m_pointView, SLOT(toggleDrawAxes()));
    connect(drawGrid, SIGNAL(triggered()),
            m_pointView, SLOT(toggleDrawGrid()));
    connect(drawAnnotations, SIGNAL(triggered()),
            m_pointView, SLOT(toggleDrawAnnotations()));
    connect(trackballMode, SIGNAL(triggered()),
            m_pointView, SLOT(toggleCameraMode()));
    connect(m_geometries, SIGNAL(rowsInserted(QModelIndex,int,int)),
            this, SLOT(geometryRowsInserted(QModelIndex,int,int)));

    //--------------------------------------------------
    // Docked widgets
    // Shader parameters UI
    QDockWidget* shaderParamsDock = new QDockWidget(tr("Shader Parameters"), this);
    shaderParamsDock->setFeatures(QDockWidget::DockWidgetMovable |
                                  QDockWidget::DockWidgetClosable);
    QWidget* shaderParamsUI = new QWidget(shaderParamsDock);
    shaderParamsDock->setWidget(shaderParamsUI);
    m_pointView->setShaderParamsUIWidget(shaderParamsUI);

    // Shader editor UI
    QDockWidget* shaderEditorDock = new QDockWidget(tr("Shader Editor"), this);
    shaderEditorDock->setFeatures(QDockWidget::DockWidgetMovable |
                                  QDockWidget::DockWidgetClosable |
                                  QDockWidget::DockWidgetFloatable);
    QWidget* shaderEditorUI = new QWidget(shaderEditorDock);
    m_shaderEditor = new ShaderEditor(shaderEditorUI);
    QGridLayout* shaderEditorLayout = new QGridLayout(shaderEditorUI);
    shaderEditorLayout->setContentsMargins(2,2,2,2);
    shaderEditorLayout->addWidget(m_shaderEditor, 0, 0, 1, 1);
    connect(editShaderAct, SIGNAL(triggered()), shaderEditorDock, SLOT(show()));
    shaderEditorDock->setWidget(shaderEditorUI);

    shaderMenu->addAction(m_shaderEditor->compileAction());
    connect(m_shaderEditor->compileAction(), SIGNAL(triggered()),
            this, SLOT(compileShaderFile()));

    // TODO: check if this is needed - test shader update functionality
    //connect(m_shaderEditor, SIGNAL(sendShader(QString)),
    //        &m_pointView->shaderProgram(), SLOT(setShader(QString)));

    // Log viewer UI
    QDockWidget* logDock = new QDockWidget(tr("Log"), this);
    logDock->setFeatures(QDockWidget::DockWidgetMovable |
                         QDockWidget::DockWidgetClosable);
    QWidget* logUI = new QWidget(logDock);
    m_logTextView = new LogViewer(logUI);
    m_logTextView->setReadOnly(true);
    m_logTextView->setTextInteractionFlags(Qt::TextSelectableByKeyboard | Qt::TextSelectableByMouse);
    m_logTextView->connectLogger(&g_logger); // connect to global logger
    m_progressBar = new QProgressBar(logUI);
    m_progressBar->setRange(0,100);
    m_progressBar->setValue(0);
    m_progressBar->hide();
    connect(m_fileLoader, SIGNAL(loadStepStarted(QString)),
            this, SLOT(setProgressBarText(QString)));
    connect(m_fileLoader, SIGNAL(loadProgress(int)),
            m_progressBar, SLOT(setValue(int)));
    connect(m_fileLoader, SIGNAL(resetProgress()),
            m_progressBar, SLOT(hide()));
    QVBoxLayout* logUILayout = new QVBoxLayout(logUI);
    //logUILayout->setContentsMargins(2,2,2,2);
    logUILayout->addWidget(m_logTextView);
    logUILayout->addWidget(m_progressBar);
    //m_logTextView->setLineWrapMode(QPlainTextEdit::NoWrap);
    logDock->setWidget(logUI);

    // Data set list UI
    QDockWidget* dataSetDock = new QDockWidget(tr("Data Sets"), this);
    dataSetDock->setFeatures(QDockWidget::DockWidgetMovable |
                              QDockWidget::DockWidgetClosable |
                              QDockWidget::DockWidgetFloatable);
    DataSetUI* dataSetUI = new DataSetUI(this);
    dataSetDock->setWidget(dataSetUI);
    QAbstractItemView* dataSetOverview = dataSetUI->view();
    dataSetOverview->setModel(m_geometries);
    connect(dataSetOverview, SIGNAL(doubleClicked(const QModelIndex&)),
            m_pointView, SLOT(centerOnGeometry(const QModelIndex&)));
    m_pointView->setSelectionModel(dataSetOverview->selectionModel());

    // Set up docked widgets
    addDockWidget(Qt::RightDockWidgetArea, shaderParamsDock);
    addDockWidget(Qt::LeftDockWidgetArea, shaderEditorDock);
    addDockWidget(Qt::RightDockWidgetArea, logDock);
    addDockWidget(Qt::RightDockWidgetArea, dataSetDock);
    tabifyDockWidget(logDock, dataSetDock);
    logDock->raise();
    shaderEditorDock->setVisible(false);

    // Add dock widget toggles to view menu
    viewMenu->addSeparator();
    viewMenu->addAction(shaderParamsDock->toggleViewAction());
    viewMenu->addAction(logDock->toggleViewAction());
    viewMenu->addAction(dataSetDock->toggleViewAction());

    // Create custom hook events from CLI at runtime
    m_hookManager = new HookManager(this);
}

//.........这里部分代码省略.........

   thumbnailWidget->layout()->addWidget(thumbnail);
   thumbnail2Widget->layout()->addWidget(thumbnail2);
   thumbnail3Widget->layout()->addWidget(thumbnail3);

   thumbnailDock = new QDockWidget(msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_THUMBNAIL_BOXART), mainwindow);
   thumbnailDock->setObjectName("thumbnailDock");
   thumbnailDock->setProperty("default_area", Qt::RightDockWidgetArea);
   thumbnailDock->setProperty("menu_text", msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_THUMBNAIL_BOXART));
   thumbnailDock->setWidget(thumbnailWidget);

   mainwindow->addDockWidget(static_cast<Qt::DockWidgetArea>(thumbnailDock->property("default_area").toInt()), thumbnailDock);

   thumbnail2Dock = new QDockWidget(msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_THUMBNAIL_TITLE_SCREEN), mainwindow);
   thumbnail2Dock->setObjectName("thumbnail2Dock");
   thumbnail2Dock->setProperty("default_area", Qt::RightDockWidgetArea);
   thumbnail2Dock->setProperty("menu_text", msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_THUMBNAIL_TITLE_SCREEN));
   thumbnail2Dock->setWidget(thumbnail2Widget);

   mainwindow->addDockWidget(static_cast<Qt::DockWidgetArea>(thumbnail2Dock->property("default_area").toInt()), thumbnail2Dock);

   thumbnail3Dock = new QDockWidget(msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_THUMBNAIL_SCREENSHOT), mainwindow);
   thumbnail3Dock->setObjectName("thumbnail3Dock");
   thumbnail3Dock->setProperty("default_area", Qt::RightDockWidgetArea);
   thumbnail3Dock->setProperty("menu_text", msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_THUMBNAIL_SCREENSHOT));
   thumbnail3Dock->setWidget(thumbnail3Widget);

   mainwindow->addDockWidget(static_cast<Qt::DockWidgetArea>(thumbnail3Dock->property("default_area").toInt()), thumbnail3Dock);

   mainwindow->tabifyDockWidget(thumbnailDock, thumbnail2Dock);
   mainwindow->tabifyDockWidget(thumbnailDock, thumbnail3Dock);

   /* when tabifying the dock widgets, the last tab added is selected by default, so we need to re-select the first tab */
   thumbnailDock->raise();

   coreSelectionWidget = new QWidget();
   coreSelectionWidget->setLayout(new QVBoxLayout());

   launchWithComboBox = mainwindow->launchWithComboBox();

   launchWithWidgetLayout = new QVBoxLayout();

   launchWithWidget = new QWidget();
   launchWithWidget->setLayout(launchWithWidgetLayout);

   coreComboBoxLayout = new QHBoxLayout();

   mainwindow->runPushButton()->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Expanding));
   mainwindow->stopPushButton()->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Expanding));
   mainwindow->startCorePushButton()->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Expanding));

   coreComboBoxLayout->addWidget(launchWithComboBox);
   coreComboBoxLayout->addWidget(mainwindow->startCorePushButton());
   coreComboBoxLayout->addWidget(mainwindow->coreInfoPushButton());
   coreComboBoxLayout->addWidget(mainwindow->runPushButton());
   coreComboBoxLayout->addWidget(mainwindow->stopPushButton());

   mainwindow->stopPushButton()->hide();

   coreComboBoxLayout->setStretchFactor(launchWithComboBox, 1);

   launchWithWidgetLayout->addLayout(coreComboBoxLayout);

   coreSelectionWidget->layout()->addWidget(launchWithWidget);

   coreSelectionWidget->layout()->addItem(new QSpacerItem(20, browserAndPlaylistTabWidget->height(), QSizePolicy::Minimum, QSizePolicy::Expanding));

//.........这里部分代码省略.........

   thumbnailWidget->layout()->addWidget(thumbnail);
   thumbnail2Widget->layout()->addWidget(thumbnail2);
   thumbnail3Widget->layout()->addWidget(thumbnail3);

   thumbnailDock = new QDockWidget(msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_THUMBNAIL_BOXART), mainwindow);
   thumbnailDock->setObjectName("thumbnailDock");
   thumbnailDock->setProperty("default_area", Qt::RightDockWidgetArea);
   thumbnailDock->setProperty("menu_text", msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_THUMBNAIL_BOXART));
   thumbnailDock->setWidget(thumbnailWidget);

   mainwindow->addDockWidget(static_cast<Qt::DockWidgetArea>(thumbnailDock->property("default_area").toInt()), thumbnailDock);

   thumbnail2Dock = new QDockWidget(msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_THUMBNAIL_TITLE_SCREEN), mainwindow);
   thumbnail2Dock->setObjectName("thumbnail2Dock");
   thumbnail2Dock->setProperty("default_area", Qt::RightDockWidgetArea);
   thumbnail2Dock->setProperty("menu_text", msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_THUMBNAIL_TITLE_SCREEN));
   thumbnail2Dock->setWidget(thumbnail2Widget);

   mainwindow->addDockWidget(static_cast<Qt::DockWidgetArea>(thumbnail2Dock->property("default_area").toInt()), thumbnail2Dock);

   thumbnail3Dock = new QDockWidget(msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_THUMBNAIL_SCREENSHOT), mainwindow);
   thumbnail3Dock->setObjectName("thumbnail3Dock");
   thumbnail3Dock->setProperty("default_area", Qt::RightDockWidgetArea);
   thumbnail3Dock->setProperty("menu_text", msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_THUMBNAIL_SCREENSHOT));
   thumbnail3Dock->setWidget(thumbnail3Widget);

   mainwindow->addDockWidget(static_cast<Qt::DockWidgetArea>(thumbnail3Dock->property("default_area").toInt()), thumbnail3Dock);

   mainwindow->tabifyDockWidget(thumbnailDock, thumbnail2Dock);
   mainwindow->tabifyDockWidget(thumbnailDock, thumbnail3Dock);

   /* when tabifying the dock widgets, the last tab added is selected by default, so we need to re-select the first tab */
   thumbnailDock->raise();

   coreSelectionWidget = new QWidget();
   coreSelectionWidget->setLayout(new QVBoxLayout());

   launchWithComboBox = mainwindow->launchWithComboBox();

   launchWithWidgetLayout = new QVBoxLayout();

   launchWithWidget = new QWidget();
   launchWithWidget->setLayout(launchWithWidgetLayout);

   coreComboBoxLayout = new QHBoxLayout();

   mainwindow->runPushButton()->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Expanding));
   mainwindow->stopPushButton()->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Expanding));
   mainwindow->startCorePushButton()->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Expanding));

   coreComboBoxLayout->addWidget(launchWithComboBox);
   coreComboBoxLayout->addWidget(mainwindow->startCorePushButton());
   coreComboBoxLayout->addWidget(mainwindow->coreInfoPushButton());
   coreComboBoxLayout->addWidget(mainwindow->runPushButton());
   coreComboBoxLayout->addWidget(mainwindow->stopPushButton());

   mainwindow->stopPushButton()->hide();

   coreComboBoxLayout->setStretchFactor(launchWithComboBox, 1);

   launchWithWidgetLayout->addLayout(coreComboBoxLayout);

   coreSelectionWidget->layout()->addWidget(launchWithWidget);

   coreSelectionWidget->layout()->addItem(new QSpacerItem(20, browserAndPlaylistTabWidget->height(), QSizePolicy::Minimum, QSizePolicy::Expanding));