C++ QMenu类代码示例

void MainWindow::showContextMenu( QTableWidgetItem * item,bool itemClicked )
{
	QMenu m ;

	m.setFont( this->font() ) ;

	int row = item->row() ;

	QString mt = m_ui->tableWidget->item( row,1 )->text() ;

	QString device = m_ui->tableWidget->item( row,0 )->text() ;

	if( mt == "Nil" ){

		connect( m.addAction( tr( "Mount" ) ),SIGNAL( triggered() ),this,SLOT( slotMount() ) ) ;
	}else{
		QString mp = QString( "/run/media/private/%1/" ).arg( utility::userName() ) ;
		QString mp_1 = QString( "/home/%1/" ).arg( utility::userName() ) ;

		if( mt.startsWith( mp ) || mt.startsWith( mp_1 ) ){

			connect( m.addAction( tr( "Unmount" ) ),SIGNAL( triggered() ),this,SLOT( pbUmount() ) ) ;

			m.addSeparator() ;

			QString fs = m_ui->tableWidget->item( row,2 )->text() ;

			if( fs != "encfs" ){

				connect( m.addAction( tr( "Properties" ) ),SIGNAL( triggered() ),this,SLOT( volumeProperties() ) ) ;
				m.addSeparator() ;
			}

			m_sharedFolderPath = utility::sharedMountPointPath( mt ) ;

			if( m_sharedFolderPath.isEmpty() ){

				connect( m.addAction( tr( "Open Folder" ) ),SIGNAL( triggered() ),
					 this,SLOT( slotOpenFolder() ) ) ;
			}else{
				connect( m.addAction( tr( "Open Private Folder" ) ),SIGNAL( triggered() ),
					 this,SLOT( slotOpenFolder() ) ) ;
				connect( m.addAction( tr( "Open Shared Folder" ) ),SIGNAL( triggered() ),
					 this,SLOT( slotOpenSharedFolder() ) ) ;
			}
		}else{
			m_sharedFolderPath = utility::sharedMountPointPath( mt ) ;

			if( m_sharedFolderPath.isEmpty() ){

				if( utility::pathIsReadable( mt ) ){

					connect( m.addAction( tr( "Properties" ) ),SIGNAL( triggered() ),this,SLOT( volumeProperties() ) ) ;
					m.addSeparator() ;
					connect( m.addAction( tr( "Open Folder" ) ),SIGNAL( triggered() ),
						 this,SLOT( slotOpenFolder() ) ) ;
				}else{
					connect( m.addAction( tr( "Properties" ) ),SIGNAL( triggered() ),this,SLOT( volumeProperties() ) ) ;
				}
			}else{
				connect( m.addAction( tr( "Properties" ) ),SIGNAL( triggered() ),this,SLOT( volumeProperties() ) ) ;

				m.addSeparator() ;

				connect( m.addAction( tr( "Open Shared Folder" ) ),SIGNAL( triggered() ),
					 this,SLOT( slotOpenSharedFolder() ) ) ;
			}
		}
	}

	m.addSeparator() ;
	m.addAction( tr( "Close Menu" ) ) ;

	if( itemClicked ){
		m.exec( QCursor::pos() ) ;
	}else{
		QPoint p = this->pos() ;
		int x = p.x() + 100 + m_ui->tableWidget->columnWidth( 0 ) ;
		int y = p.y() + 50 + m_ui->tableWidget->rowHeight( 0 ) * item->row() ;
		p.setX( x ) ;
		p.setY( y ) ;
		m.exec( p ) ;
	}
}

BlockingClient::BlockingClient(QWidget *parent)
    : QWidget(parent)
{
    hostLabel = new QLabel(tr("&Server name:"));
    portLabel = new QLabel(tr("S&erver port:"));

    // find out which IP to connect to
    QString ipAddress;
    QList<QHostAddress> ipAddressesList = QNetworkInterface::allAddresses();
    // use the first non-localhost IPv4 address
    for (int i = 0; i < ipAddressesList.size(); ++i) {
        if (ipAddressesList.at(i) != QHostAddress::LocalHost &&
            ipAddressesList.at(i).toIPv4Address()) {
            ipAddress = ipAddressesList.at(i).toString();
            break;
        }
    }
    // if we did not find one, use IPv4 localhost
    if (ipAddress.isEmpty())
        ipAddress = QHostAddress(QHostAddress::LocalHost).toString();

    hostLineEdit = new QLineEdit(ipAddress);
    portLineEdit = new QLineEdit;
    portLineEdit->setValidator(new QIntValidator(1, 65535, this));

#if defined(Q_OS_SYMBIAN) || defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR)
    Qt::InputMethodHint hints = Qt::ImhDigitsOnly;
    portLineEdit->setInputMethodHints(hints);
#endif

    hostLabel->setBuddy(hostLineEdit);
    portLabel->setBuddy(portLineEdit);

    statusLabel = new QLabel(tr("This examples requires that you run the "
                                "Fortune Server example as well."));
    statusLabel->setWordWrap(true);

#ifdef Q_OS_SYMBIAN
    QMenu *menu = new QMenu(this);
    fortuneAction = menu->addAction(tr("Get Fortune"));
    fortuneAction->setVisible(false);

    QAction *optionsAction = new QAction(tr("Options"), this);
    optionsAction->setMenu(menu);
    optionsAction->setSoftKeyRole(QAction::PositiveSoftKey);
    addAction(optionsAction);

    exitAction = new QAction(tr("Exit"), this);
    exitAction->setSoftKeyRole(QAction::NegativeSoftKey);
    addAction(exitAction);

    connect(fortuneAction, SIGNAL(triggered()), this, SLOT(requestNewFortune()));
    connect(exitAction, SIGNAL(triggered()), this, SLOT(close()));
#else
    getFortuneButton = new QPushButton(tr("Get Fortune"));
    getFortuneButton->setDefault(true);
    getFortuneButton->setEnabled(false);

    quitButton = new QPushButton(tr("Quit"));

    buttonBox = new QDialogButtonBox;
    buttonBox->addButton(getFortuneButton, QDialogButtonBox::ActionRole);
    buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);

    connect(getFortuneButton, SIGNAL(clicked()), this, SLOT(requestNewFortune()));
    connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
#endif

    connect(hostLineEdit, SIGNAL(textChanged(QString)),
            this, SLOT(enableGetFortuneButton()));
    connect(portLineEdit, SIGNAL(textChanged(QString)),
            this, SLOT(enableGetFortuneButton()));
//! [0]
    connect(&thread, SIGNAL(newFortune(QString)),
            this, SLOT(showFortune(QString)));
//! [0] //! [1]
    connect(&thread, SIGNAL(error(int,QString)),
            this, SLOT(displayError(int,QString)));
//! [1]

    QGridLayout *mainLayout = new QGridLayout;
    mainLayout->addWidget(hostLabel, 0, 0);
    mainLayout->addWidget(hostLineEdit, 0, 1);
    mainLayout->addWidget(portLabel, 1, 0);
    mainLayout->addWidget(portLineEdit, 1, 1);
    mainLayout->addWidget(statusLabel, 2, 0, 1, 2);
#ifndef Q_OS_SYMBIAN
    mainLayout->addWidget(buttonBox, 3, 0, 1, 2);
#endif
    setLayout(mainLayout);

    setWindowTitle(tr("Blocking Fortune Client"));
    portLineEdit->setFocus();
}

void BitcoinGUI::createTrayIcon()
{
    QMenu *trayIconMenu;
#ifndef Q_OS_MAC
    trayIcon = new QSystemTrayIcon(this);
    trayIconMenu = new QMenu(this);
    trayIcon->setContextMenu(trayIconMenu);
    trayIcon->setToolTip(tr("GorillaBucks client"));
    trayIcon->setIcon(QIcon(":/icons/toolbar"));
    connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
            this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
    trayIcon->show();
#else
    // Note: On Mac, the dock icon is used to provide the tray's functionality.
    MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
    dockIconHandler->setMainWindow((QMainWindow *)this);
    trayIconMenu = dockIconHandler->dockMenu();
#endif

    // Configuration of the tray icon (or dock icon) icon menu
    trayIconMenu->addAction(toggleHideAction);
    trayIconMenu->addSeparator();
    trayIconMenu->addAction(receiveCoinsAction);
    trayIconMenu->addAction(sendCoinsAction);
    trayIconMenu->addSeparator();
    trayIconMenu->addAction(signMessageAction);
    trayIconMenu->addAction(verifyMessageAction);
    trayIconMenu->addSeparator();
    trayIconMenu->addAction(optionsAction);
    trayIconMenu->addAction(openRPCConsoleAction);
#ifndef Q_OS_MAC // This is built-in on Mac
    trayIconMenu->addSeparator();
    trayIconMenu->addAction(quitAction);
#endif

    notificator = new Notificator(qApp->applicationName(), trayIcon);
}

MailEditorMainWindow::MailEditorMainWindow(ATopLevelWindowsContainer* parent, AddressBookModel& abModel,
  IMailProcessor& mailProcessor, bool editMode) :
  ATopLevelWindow(parent),
  ui(new Ui::MailEditorWindow()),
  ABModel(abModel),
  MailProcessor(mailProcessor),
  FontCombo(nullptr),
  EditMode(editMode)
  {
  ui->setupUi(this);

  /** Disable these toolbars by default. They should be showed up on demand, when given action will
      be trigerred.
  */
  ui->fileAttachementToolBar->hide();
  ui->moneyAttachementToolBar->hide();
  ui->editToolBar->hide();
  ui->adjustToolbar->hide();
  ui->formatToolBar->hide();

  MoneyAttachement = new TMoneyAttachementWidget(ui->moneyAttachementToolBar);
  ui->moneyAttachementToolBar->addWidget(MoneyAttachement);

  FileAttachment = new TFileAttachmentWidget(ui->fileAttachementToolBar, editMode);
  ui->fileAttachementToolBar->addWidget(FileAttachment);

  MailFields = new MailFieldsWidget(*this, *ui->actionSend, abModel, editMode);

  /// Initially only basic mail fields (To: and Subject:) should be visible
  MailFields->showCcControls(false);
  MailFields->showBccControls(false);

  ui->mailFieldsToolBar->addWidget(MailFields);

  connect(MailFields, SIGNAL(subjectChanged(QString)), this, SLOT(onSubjectChanged(QString)));
  connect(MailFields, SIGNAL(recipientListChanged()), this, SLOT(onRecipientListChanged()));
  connect(FileAttachment, SIGNAL(attachmentListChanged()), this, SLOT(onAttachmentListChanged()));

  if(editMode)
    {
    /** Supplement definition of mailFieldSelectorToolbar since Qt Creator doesn't support putting
        into its context dedicated controls (like preconfigured toolbutton).

        Setup local menu for 'actionMailFields' toolButton (used to enable/disable additional mail
        field selection).
    */
    QMenu* mailFieldsMenu = new QMenu(this);
    mailFieldsMenu->addAction(ui->actionFrom);
    mailFieldsMenu->addAction(ui->actionCC);
    mailFieldsMenu->addAction(ui->actionBCC);

    /// Update state of sub-menu commands.
    ui->actionBCC->setChecked(MailFields->isFieldVisible(MailFieldsWidget::BCC_FIELDS));
    ui->actionCC->setChecked(MailFields->isFieldVisible(MailFieldsWidget::CC_FIELD));
    ui->actionFrom->setChecked(MailFields->isFieldVisible(MailFieldsWidget::FROM_FIELD));

    ui->actionMailFields->setMenu(mailFieldsMenu);
    ui->mainToolBar->insertAction(ui->actionShowFormatOptions, ui->actionMailFields);
    }

  setupEditorCommands();

  ui->messageEdit->setFocus();
  fontChanged(ui->messageEdit->font());
  colorChanged(ui->messageEdit->textColor());
  alignmentChanged(ui->messageEdit->alignment());

  QString subject = MailFields->getSubject();
  onSubjectChanged(subject);
  
  /// Clear modified flag
  ui->messageEdit->document()->setModified(false);
  setWindowModified(ui->messageEdit->document()->isModified());
  
  ui->actionSave->setEnabled(ui->messageEdit->document()->isModified());
  ui->actionUndo->setEnabled(ui->messageEdit->document()->isUndoAvailable());
  ui->actionRedo->setEnabled(ui->messageEdit->document()->isRedoAvailable());

  /// Setup command update ui related to 'save' option activity control and window modify marker.
  connect(ui->messageEdit->document(), SIGNAL(modificationChanged(bool)), ui->actionSave,
    SLOT(setEnabled(bool)));
  connect(ui->messageEdit->document(), SIGNAL(modificationChanged(bool)), this,
    SLOT(setWindowModified(bool)));
  connect(ui->messageEdit, SIGNAL(addAttachments(QStringList)), this, SLOT(onAddAttachments(QStringList)));

#ifndef QT_NO_CLIPBOARD
  connect(QApplication::clipboard(), SIGNAL(dataChanged()), this, SLOT(onClipboardDataChanged()));
#endif

  toggleReadOnlyMode();
  }

void MainWindow::createMenus()
{
  QMenu   *menu;
  QAction *action;

  menu = getStandardMenu(FileMenu);
  menu->addAction(standardAction(New));
  menu->addAction(standardAction(Print));
  menu->addSeparator();
  menu->addAction(standardAction(Exit));

  menu = getStandardMenu(EditMenu);
  menu->addAction(standardAction(Undo));
  menu->addAction(standardAction(Redo));
  menu->addSeparator();
  menu->addAction(standardAction(Cut));
  menu->addAction(standardAction(Copy));
  menu->addAction(standardAction(Paste));
  menu->addSeparator();
  menu->addAction(standardAction(Delete));

  addStandardMenu(HelpMenu);
}

void MainWindow::createMenus()
{
    QMenuBar *bar = this->menuBar();

    QMenu *fileMenu = new QMenu(tr("&File"), bar);
    fileMenu->addAction(newPostAct);
    fileMenu->addAction(openPostAct);
    fileMenu->addAction(closePostAct);
    fileMenu->addSeparator();
    fileMenu->addAction(savePostAct);
    fileMenu->addAction(saveAsPostAct);
    fileMenu->addSeparator();
    fileMenu->addAction(exitAct);
    bar->addMenu(fileMenu);

    QMenu *editMenu = new QMenu(tr("&Edit"), bar);
    editMenu->addAction(undoAct);
    editMenu->addAction(redoAct);
    editMenu->addSeparator();
    editMenu->addAction(cutAct);
    editMenu->addAction(copyAct);
    editMenu->addAction(pasteAct);
    bar->addMenu(editMenu);

    QMenu *formatMenu = new QMenu(tr("F&ormat"), bar);
    formatMenu->addAction(textFontAct);
    formatMenu->addAction(textColorAct);
    formatMenu->addAction(textBackgroundColorAct);
    formatMenu->addSeparator();
    QMenu *alignMenu = new QMenu(tr("Alignment"), formatMenu);
    if(QApplication::isLeftToRight()) {
        alignMenu->addAction(alignLeftAct);
        alignMenu->addAction(alignCenterAct);
        alignMenu->addAction(alignRightAct);
    } else {
        alignMenu->addAction(alignRightAct);
        alignMenu->addAction(alignCenterAct);
        alignMenu->addAction(alignLeftAct);
    }
    alignMenu->addAction(alignJustifyAct);
    formatMenu->addMenu(alignMenu);
    bar->addMenu(formatMenu);

    QMenu *insertMenu = new QMenu(tr("&Insert"), bar);
    QMenu *listMenu = new QMenu(tr("List"), insertMenu);
    listMenu->addAction(bulletListAct);
    listMenu->addAction(numberedListAct);
    listMenu->addSeparator();
    listMenu->addAction(indentMoreAct);
    listMenu->addAction(indentLessAct);
    insertMenu->addMenu(listMenu);
    QMenu *tableMenu = createTableMenu(insertMenu);
    insertMenu->addMenu(tableMenu);
    bar->addMenu(insertMenu);

    QMenu *toolMenu = new QMenu(tr("&Tools"), bar);
    toolMenu->addAction(pluginAct);
    bar->addMenu(toolMenu);

    bar->addSeparator();

    QMenu *helpMenu = new QMenu(tr("Help"), bar);
    helpMenu->addAction(helpAct);
    helpMenu->addAction(aboutAct);
    bar->addMenu(helpMenu);
}

QgsCategorizedSymbolRendererV2Widget::QgsCategorizedSymbolRendererV2Widget( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer )
    : QgsRendererV2Widget( layer, style )
    , mRenderer( nullptr )
    , mModel( nullptr )
{

  // try to recognize the previous renderer
  // (null renderer means "no previous renderer")
  if ( renderer )
  {
    mRenderer = QgsCategorizedSymbolRendererV2::convertFromRenderer( renderer );
  }
  if ( !mRenderer )
  {
    mRenderer = new QgsCategorizedSymbolRendererV2( "", QgsCategoryList() );
  }

  QString attrName = mRenderer->classAttribute();
  mOldClassificationAttribute = attrName;

  // setup user interface
  setupUi( this );

  mExpressionWidget->setLayer( mLayer );

  cboCategorizedColorRamp->populate( mStyle );
  int randomIndex = cboCategorizedColorRamp->findText( tr( "Random colors" ) );
  if ( randomIndex != -1 )
  {
    cboCategorizedColorRamp->setCurrentIndex( randomIndex );
  }

  // set project default color ramp
  QString defaultColorRamp = QgsProject::instance()->readEntry( "DefaultStyles", "/ColorRamp", "" );
  if ( defaultColorRamp != "" )
  {
    int index = cboCategorizedColorRamp->findText( defaultColorRamp, Qt::MatchCaseSensitive );
    if ( index >= 0 )
      cboCategorizedColorRamp->setCurrentIndex( index );
  }

  mCategorizedSymbol = QgsSymbolV2::defaultSymbol( mLayer->geometryType() );

  mModel = new QgsCategorizedSymbolRendererV2Model( this );
  mModel->setRenderer( mRenderer );

  // update GUI from renderer
  updateUiFromRenderer();

  viewCategories->setModel( mModel );
  viewCategories->resizeColumnToContents( 0 );
  viewCategories->resizeColumnToContents( 1 );
  viewCategories->resizeColumnToContents( 2 );

  viewCategories->setStyle( new QgsCategorizedSymbolRendererV2ViewStyle( viewCategories->style() ) );

  connect( mModel, SIGNAL( rowsMoved() ), this, SLOT( rowsMoved() ) );

  connect( mExpressionWidget, SIGNAL( fieldChanged( QString ) ), this, SLOT( categoryColumnChanged( QString ) ) );

  connect( viewCategories, SIGNAL( doubleClicked( const QModelIndex & ) ), this, SLOT( categoriesDoubleClicked( const QModelIndex & ) ) );
  connect( viewCategories, SIGNAL( customContextMenuRequested( const QPoint& ) ),  this, SLOT( contextMenuViewCategories( const QPoint& ) ) );

  connect( btnChangeCategorizedSymbol, SIGNAL( clicked() ), this, SLOT( changeCategorizedSymbol() ) );
  connect( btnAddCategories, SIGNAL( clicked() ), this, SLOT( addCategories() ) );
  connect( btnDeleteCategories, SIGNAL( clicked() ), this, SLOT( deleteCategories() ) );
  connect( btnDeleteAllCategories, SIGNAL( clicked() ), this, SLOT( deleteAllCategories() ) );
  connect( btnAddCategory, SIGNAL( clicked() ), this, SLOT( addCategory() ) );
  connect( cbxInvertedColorRamp, SIGNAL( toggled( bool ) ), this, SLOT( applyColorRamp() ) );
  connect( cboCategorizedColorRamp, SIGNAL( currentIndexChanged( int ) ), this, SLOT( applyColorRamp() ) );
  connect( cboCategorizedColorRamp, SIGNAL( sourceRampEdited() ), this, SLOT( applyColorRamp() ) );
  connect( mButtonEditRamp, SIGNAL( clicked() ), cboCategorizedColorRamp, SLOT( editSourceRamp() ) );

  // menus for data-defined rotation/size
  QMenu* advMenu = new QMenu;

  advMenu->addAction( tr( "Match to saved symbols" ), this, SLOT( matchToSymbolsFromLibrary() ) );
  advMenu->addAction( tr( "Match to symbols from file..." ), this, SLOT( matchToSymbolsFromXml() ) );
  advMenu->addAction( tr( "Symbol levels..." ), this, SLOT( showSymbolLevels() ) );

  btnAdvanced->setMenu( advMenu );

  mExpressionWidget->registerGetExpressionContextCallback( &_getExpressionContext, this );
}

void MainWindow::createMenuBar()
{
    QMenu *game = menuBar()->addMenu("&Game");
    QMenu *gnew = game->addMenu("&New");
    QMenu *help = menuBar()->addMenu("&Help");

    gnew->addAction("&Easy", this, SLOT(newGameEasy()));
    gnew->addAction("&Normal", this, SLOT(newGameNormal()));
    gnew->addAction("&Hard", this, SLOT(newGameHard()));
    gnew->addAction("E&xpert", this, SLOT(newGameExpert()));
    game->addSeparator();
    game->addAction("E&xit", qApp, SLOT(quit()));

    help->addAction("&About", qApp, SLOT(aboutQt()));
}

Dialog::Dialog(QWidget *parent) :
    QDialog(parent, Qt::Tool | Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint),
    ui(new Ui::Dialog),
    mSettings(new LxQt::Settings("lxqt-runner", this)),
    mGlobalShortcut(0),
    mLockCascadeChanges(false),
    mConfigureDialog(0)
{
    ui->setupUi(this);
    setWindowTitle("LXQt Runner");
    setAttribute(Qt::WA_TranslucentBackground);

    connect(LxQt::Settings::globalSettings(), SIGNAL(iconThemeChanged()), this, SLOT(update()));
    connect(ui->closeButton, SIGNAL(clicked()), this, SLOT(hide()));
    connect(mSettings, SIGNAL(settingsChanged()), this, SLOT(applySettings()));

    ui->commandEd->installEventFilter(this);

    connect(ui->commandEd, SIGNAL(textChanged(QString)), this, SLOT(setFilter(QString)));
    connect(ui->commandEd, SIGNAL(returnPressed()), this, SLOT(runCommand()));

    mCommandItemModel = new CommandItemModel(this);
    ui->commandList->installEventFilter(this);
    ui->commandList->setModel(mCommandItemModel);
    ui->commandList->setEditTriggers(QAbstractItemView::NoEditTriggers);
    connect(ui->commandList, SIGNAL(clicked(QModelIndex)), this, SLOT(runCommand()));
    setFilter("");
    dataChanged();

    ui->commandList->setItemDelegate(new LxQt::HtmlDelegate(QSize(32, 32), ui->commandList));

    // Popup menu ...............................
    QAction *a = new QAction(XdgIcon::fromTheme("configure"), tr("Configure"), this);
    connect(a, SIGNAL(triggered()), this, SLOT(showConfigDialog()));
    addAction(a);

    a = new QAction(XdgIcon::fromTheme("edit-clear-history"), tr("Clear History"), this);
    connect(a, SIGNAL(triggered()), mCommandItemModel, SLOT(clearHistory()));
    addAction(a);

    mPowerManager = new LxQt::PowerManager(this);
    addActions(mPowerManager->availableActions());
    mScreenSaver = new LxQt::ScreenSaver(this);
    addActions(mScreenSaver->availableActions());

    setContextMenuPolicy(Qt::ActionsContextMenu);

    QMenu *menu = new QMenu(this);
    menu->addActions(actions());
    ui->actionButton->setMenu(menu);
    ui->actionButton->setIcon(XdgIcon::fromTheme("configure"));
    // End of popup menu ........................

    applySettings();

    connect(QApplication::desktop(), SIGNAL(screenCountChanged(int)), SLOT(realign()));
    connect(QApplication::desktop(), SIGNAL(workAreaResized(int)), SLOT(realign()));
    connect(mGlobalShortcut, SIGNAL(activated()), this, SLOT(showHide()));
    connect(mGlobalShortcut, SIGNAL(shortcutChanged(QString,QString)), this, SLOT(shortcutChanged(QString,QString)));

    resize(mSettings->value("dialog/width", 400).toInt(), size().height());


    // TEST
    connect(mCommandItemModel, SIGNAL(layoutChanged()), this, SLOT(dataChanged()));
}

MainWindow::MainWindow()
    : QMainWindow()
    , m_view(new SvgView)
{
    QMenu *fileMenu = new QMenu(tr("&File"), this);
    QAction *openAction = fileMenu->addAction(tr("&Open..."));
    openAction->setShortcut(QKeySequence(tr("Ctrl+O")));
    QAction *quitAction = fileMenu->addAction(tr("E&xit"));
    quitAction->setShortcuts(QKeySequence::Quit);

    menuBar()->addMenu(fileMenu);

    QMenu *viewMenu = new QMenu(tr("&View"), this);
    m_backgroundAction = viewMenu->addAction(tr("&Background"));
    m_backgroundAction->setEnabled(false);
    m_backgroundAction->setCheckable(true);
    m_backgroundAction->setChecked(false);
    connect(m_backgroundAction, SIGNAL(toggled(bool)), m_view, SLOT(setViewBackground(bool)));

    m_outlineAction = viewMenu->addAction(tr("&Outline"));
    m_outlineAction->setEnabled(false);
    m_outlineAction->setCheckable(true);
    m_outlineAction->setChecked(true);
    connect(m_outlineAction, SIGNAL(toggled(bool)), m_view, SLOT(setViewOutline(bool)));

    menuBar()->addMenu(viewMenu);

    QMenu *rendererMenu = new QMenu(tr("&Renderer"), this);
    m_nativeAction = rendererMenu->addAction(tr("&Native"));
    m_nativeAction->setCheckable(true);
    m_nativeAction->setChecked(true);
#ifndef QT_NO_OPENGL
    m_glAction = rendererMenu->addAction(tr("&OpenGL"));
    m_glAction->setCheckable(true);
#endif
    m_imageAction = rendererMenu->addAction(tr("&Image"));
    m_imageAction->setCheckable(true);

#ifndef QT_NO_OPENGL
    rendererMenu->addSeparator();
    m_highQualityAntialiasingAction = rendererMenu->addAction(tr("&High Quality Antialiasing"));
    m_highQualityAntialiasingAction->setEnabled(false);
    m_highQualityAntialiasingAction->setCheckable(true);
    m_highQualityAntialiasingAction->setChecked(false);
    connect(m_highQualityAntialiasingAction, SIGNAL(toggled(bool)), m_view, SLOT(setHighQualityAntialiasing(bool)));
#endif

    QActionGroup *rendererGroup = new QActionGroup(this);
    rendererGroup->addAction(m_nativeAction);
#ifndef QT_NO_OPENGL
    rendererGroup->addAction(m_glAction);
#endif
    rendererGroup->addAction(m_imageAction);

    menuBar()->addMenu(rendererMenu);

    connect(openAction, SIGNAL(triggered()), this, SLOT(openFile()));
    connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
    connect(rendererGroup, SIGNAL(triggered(QAction*)),
            this, SLOT(setRenderer(QAction*)));

    setCentralWidget(m_view);
    setWindowTitle(tr("SVG Viewer"));
}

void MainWindow::on_treeView_customContextMenuRequested(const QPoint &pt)
{
    QPoint globalPt = ui->treeView->mapToGlobal(pt);
    QModelIndex index = ui->treeView->indexAt(pt);

    QMenu menu;

    if (index.isValid())
    {
        on_treeView_clicked(index);

        ProjectItem* item = (ProjectItem*) Workspace::Instance.GetProjectsModel()->itemFromIndex(index);

        switchToAct->setEnabled(!item->IsSelected());
        menu.addAction(switchToAct);

        if(!item->IsDocument())
        {
            menu.addAction(addImageAct);
            menu.addSeparator();
            menu.addAction(saveProjctAct);
            menu.addAction(closeProjectAct);
            menu.addSeparator();
        }
        else
        {
            menu.addAction(removeImageAct);
            menu.addSeparator();
        }
    }

    menu.addAction(newProjectAct);
    menu.addAction(openProjectAct);
    menu.addSeparator();
    menu.addAction(saveAllAct);
    menu.addAction(closeAllAct);

    menu.exec(globalPt);
}

// ----------------------------------------------------------------------------
bool qMRMLTreeViewEventTranslator::translateEvent(QObject *Object,
                                             QEvent *Event,
                                             int EventType,
                                             bool &Error)
{
  Q_UNUSED(Error);
  
  qMRMLTreeView* treeView = NULL;
  for(QObject* test = Object; treeView == NULL && test != NULL; test = test->parent())
    {
    treeView = qobject_cast<qMRMLTreeView*>(test);
    }
//  qMRMLTreeView* treeView = qobject_cast<qMRMLTreeView*>(Object);
  if(!treeView)
    {
    return false;
    }

  // For the custom action when we have a right click
  QMenu* menu = NULL;
  for(QObject* test = Object; menu == NULL && test != NULL ; test = test->parent())
    {
    menu = qobject_cast<QMenu*>(test);
    }
  if (menu)
    {
    if(Event->type() == QEvent::KeyPress)
      {
      QKeyEvent* e = static_cast<QKeyEvent*>(Event);
      if(e->key() == Qt::Key_Enter)
        {
        QAction* action = menu->activeAction();
        if(action)
          {
          QString which = action->objectName();
          if(which == QString::null)
            {
            which = action->text();
            }
          if (which != "Rename" && which != "Delete" )
            {
            emit recordEvent(menu, "activate", which);
            }
          }
        }
      }
    if(Event->type() == QEvent::MouseButtonRelease)
      {
      QMouseEvent* e = static_cast<QMouseEvent*>(Event);
      if(e->button() == Qt::LeftButton)
        {
        QAction* action = menu->actionAt(e->pos());
        if (action && !action->menu())
          {
          QString which = action->objectName();
          if(which == QString::null)
            {
            which = action->text();
            }
          if (which != "Rename" && which != "Delete" )
            {
            emit recordEvent(menu, "activate", which);
            }
          }
        }
      }
    return true;
    }

  // We want to stop the action on the QDialog when we are renaming
  // and let passed the action for the "set_current".
  QInputDialog* dialog = NULL;
  for(QObject* test = Object; dialog == NULL && test != NULL; test = test->parent())
    {
    dialog = qobject_cast<QInputDialog*>(test);
    if(dialog)
      {
      // block actions on the QInputDialog
      return true;
      }
    }

  if(Event->type() == QEvent::Enter && Object == treeView)
    {
    if(this->CurrentObject != Object)
      {
      if(this->CurrentObject)
        {
        disconnect(this->CurrentObject, 0, this, 0);
        }
      this->CurrentObject = Object;

      connect(treeView, SIGNAL(destroyed(QObject*)),
              this, SLOT(onDestroyed(QObject*)));
      connect(treeView, SIGNAL(currentNodeRenamed(QString)),
              this, SLOT(onCurrentNodeRenamed(QString)));

      // Can be better to do it on the model to recover the QModelIndex
      connect(treeView, SIGNAL(currentNodeDeleted(const QModelIndex&)),
//.........这里部分代码省略.........

 void CQTOpenGLLuaMainWindow::CreateEditActions() {
    QIcon cEditUndoIcon;
    cEditUndoIcon.addPixmap(QPixmap(m_pcMainWindow->GetIconDir() + "/undo.png"));
    m_pcEditUndoAction = new QAction(cEditUndoIcon, tr("&Undo"), this);
    m_pcEditUndoAction->setToolTip(tr("Undo last operation"));
    m_pcEditUndoAction->setStatusTip(tr("Undo last operation"));
    m_pcEditUndoAction->setShortcut(QKeySequence::Undo);
    connect(m_pcEditUndoAction, SIGNAL(triggered()),
            m_pcCodeEditor, SLOT(undo()));
    QIcon cEditRedoIcon;
    cEditRedoIcon.addPixmap(QPixmap(m_pcMainWindow->GetIconDir() + "/redo.png"));
    m_pcEditRedoAction = new QAction(cEditRedoIcon, tr("&Redo"), this);
    m_pcEditRedoAction->setToolTip(tr("Redo last operation"));
    m_pcEditRedoAction->setStatusTip(tr("Redo last operation"));
    m_pcEditRedoAction->setShortcut(QKeySequence::Redo);
    connect(m_pcEditRedoAction, SIGNAL(triggered()),
            m_pcCodeEditor, SLOT(redo()));
    QIcon cEditCopyIcon;
    cEditCopyIcon.addPixmap(QPixmap(m_pcMainWindow->GetIconDir() + "/copy.png"));
    m_pcEditCopyAction = new QAction(cEditCopyIcon, tr("&Copy"), this);
    m_pcEditCopyAction->setToolTip(tr("Copy selected text into clipboard"));
    m_pcEditCopyAction->setStatusTip(tr("Copy selected text into clipboard"));
    m_pcEditCopyAction->setShortcut(QKeySequence::Copy);
    connect(m_pcEditCopyAction, SIGNAL(triggered()),
            m_pcCodeEditor, SLOT(copy()));
    QIcon cEditCutIcon;
    cEditCutIcon.addPixmap(QPixmap(m_pcMainWindow->GetIconDir() + "/cut.png"));
    m_pcEditCutAction = new QAction(cEditCutIcon, tr("&Cut"), this);
    m_pcEditCutAction->setToolTip(tr("Move selected text into clipboard"));
    m_pcEditCutAction->setStatusTip(tr("Move selected text into clipboard"));
    m_pcEditCutAction->setShortcut(QKeySequence::Cut);
    connect(m_pcEditCutAction, SIGNAL(triggered()),
            m_pcCodeEditor, SLOT(cut()));
    QIcon cEditPasteIcon;
    cEditPasteIcon.addPixmap(QPixmap(m_pcMainWindow->GetIconDir() + "/paste.png"));
    m_pcEditPasteAction = new QAction(cEditPasteIcon, tr("&Paste"), this);
    m_pcEditPasteAction->setToolTip(tr("Paste text from clipboard"));
    m_pcEditPasteAction->setStatusTip(tr("Paste text from clipboard"));
    m_pcEditPasteAction->setShortcut(QKeySequence::Paste);
    connect(m_pcEditPasteAction, SIGNAL(triggered()),
            m_pcCodeEditor, SLOT(paste()));
    // QIcon cEditFindIcon;
    // cEditFindIcon.addPixmap(QPixmap(m_pcMainWindow->GetIconDir() + "/find.png"));
    // m_pcEditFindAction = new QAction(cEditFindIcon, tr("&Find/Replace"), this);
    // m_pcEditFindAction->setToolTip(tr("Find/replace text"));
    // m_pcEditFindAction->setStatusTip(tr("Find/replace text"));
    // m_pcEditFindAction->setShortcut(QKeySequence::Find);
    // connect(m_pcEditFindAction, SIGNAL(triggered()),
    //         this, SLOT(Find()));
    QMenu* pcMenu = menuBar()->addMenu(tr("&Edit"));
    pcMenu->addAction(m_pcEditUndoAction);
    pcMenu->addAction(m_pcEditRedoAction);
    pcMenu->addSeparator();
    pcMenu->addAction(m_pcEditCopyAction);
    pcMenu->addAction(m_pcEditCutAction);
    pcMenu->addAction(m_pcEditPasteAction);
    // pcMenu->addSeparator();
    // pcMenu->addAction(m_pcEditFindAction);
    QToolBar* pcToolBar = addToolBar(tr("Edit"));
    pcToolBar->setObjectName("EditToolBar");
    pcToolBar->setIconSize(QSize(32,32));
    pcToolBar->addAction(m_pcEditUndoAction);
    pcToolBar->addAction(m_pcEditRedoAction);
    pcToolBar->addSeparator();
    pcToolBar->addAction(m_pcEditCopyAction);
    pcToolBar->addAction(m_pcEditCutAction);
    pcToolBar->addAction(m_pcEditPasteAction);
    // pcToolBar->addAction(m_pcEditFindAction);
 }

void PathologyViewer::initializeGUIComponents(unsigned int level) {
  // Initialize the minimap
  std::vector<unsigned long long> overviewDimensions = _img->getLevelDimensions(level);
  unsigned int size = overviewDimensions[0] * overviewDimensions[1] * _img->getSamplesPerPixel();
  unsigned char* overview = new unsigned char[size];
  _img->getRawRegion<unsigned char>(0, 0, overviewDimensions[0], overviewDimensions[1], level, overview);
  QImage ovImg;
  if (_img->getColorType() == pathology::ARGB) {
    ovImg = QImage(overview, overviewDimensions[0], overviewDimensions[1], overviewDimensions[0] * 4, QImage::Format_ARGB32).convertToFormat(QImage::Format_RGB888);
  }
  else if (_img->getColorType() == pathology::RGB) {
    ovImg = QImage(overview, overviewDimensions[0], overviewDimensions[1], overviewDimensions[0] * 3, QImage::Format_RGB888);
  }
  QPixmap ovPixMap = QPixmap(QPixmap::fromImage(ovImg));
  delete[] overview;
  if (_map) {
    _map->deleteLater();
    _map = NULL;
  }
  _map = new MiniMap(ovPixMap, this);
  if (_scaleBar) {
    _scaleBar->deleteLater();
    _scaleBar = NULL;
  }
  std::vector<double> spacing = _img->getSpacing();
  if (!spacing.empty()) {
    _scaleBar = new ScaleBar(spacing[0], this);
  }
  else {
    _scaleBar = new ScaleBar(-1, this);
  }
  if (this->layout()) {
    delete this->layout();
  }
  QHBoxLayout * Hlayout = new QHBoxLayout(this);
  QVBoxLayout * Vlayout = new QVBoxLayout();
  QVBoxLayout * Vlayout2 = new QVBoxLayout();
  Vlayout2->addStretch(4);
  Hlayout->addLayout(Vlayout2);
  Hlayout->addStretch(4);
  Hlayout->setContentsMargins(30, 30, 30, 30);
  Hlayout->addLayout(Vlayout, 1);
  Vlayout->addStretch(4);
  if (_map) {
    Vlayout->addWidget(_map, 1);
  }
  if (_scaleBar) {
    Vlayout2->addWidget(_scaleBar);
  }
  _map->setTileManager(_manager);
  QObject::connect(this, SIGNAL(updateBBox(const QRectF&)), _map, SLOT(updateFieldOfView(const QRectF&)));
  QObject::connect(_manager, SIGNAL(coverageUpdated()), _map, SLOT(onCoverageUpdated()));
  QObject::connect(_map, SIGNAL(positionClicked(QPointF)), this, SLOT(moveTo(const QPointF&)));
  QObject::connect(this, SIGNAL(fieldOfViewChanged(const QRectF&, const unsigned int)), _scaleBar, SLOT(updateForFieldOfView(const QRectF&)));
  if (this->window()) {
    _settings->beginGroup("ASAP");
    QMenu* viewMenu = this->window()->findChild<QMenu*>("menuView");
    if (viewMenu)  {
      QList<QAction*> actions = viewMenu->actions();
      for (QList<QAction*>::iterator it = actions.begin(); it != actions.end(); ++it) {
        if ((*it)->text() == "Toggle scale bar" && _scaleBar) {
          QObject::connect((*it), SIGNAL(toggled(bool)), _scaleBar, SLOT(setVisible(bool)));
          bool showComponent = _settings->value("scaleBarToggled", true).toBool();
          (*it)->setChecked(showComponent);
          _scaleBar->setVisible(showComponent);
        }
        else if ((*it)->text() == "Toggle mini-map" && _map) {
          QObject::connect((*it), SIGNAL(toggled(bool)), _map, SLOT(setVisible(bool)));
          bool showComponent = _settings->value("miniMapToggled", true).toBool();
          (*it)->setChecked(showComponent);
          _map->setVisible(showComponent);
        }

QgsVectorLayerProperties::QgsVectorLayerProperties(
  QgsVectorLayer *lyr,
  QWidget * parent,
  Qt::WindowFlags fl
)
    : QgsOptionsDialogBase( "VectorLayerProperties", parent, fl )
    , layer( lyr )
    , mMetadataFilled( false )
    , mOriginalSubsetSQL( lyr->subsetString() )
    , mSaveAsMenu( nullptr )
    , mLoadStyleMenu( nullptr )
    , mRendererDialog( nullptr )
    , labelingDialog( nullptr )
    , labelDialog( nullptr )
    , actionDialog( nullptr )
    , diagramPropertiesDialog( nullptr )
    , mFieldsPropertiesDialog( nullptr )
{
  setupUi( this );
  // QgsOptionsDialogBase handles saving/restoring of geometry, splitter and current tab states,
  // switching vertical tabs between icon/text to icon-only modes (splitter collapsed to left),
  // and connecting QDialogButtonBox's accepted/rejected signals to dialog's accept/reject slots
  initOptionsBase( false );

  QPushButton* b = new QPushButton( tr( "Style" ) );
  QMenu* m = new QMenu( this );
  mActionLoadStyle = m->addAction( tr( "Load Style" ), this, SLOT( loadStyle_clicked() ) );
  mActionSaveStyleAs = m->addAction( tr( "Save Style" ), this, SLOT( saveStyleAs_clicked() ) );
  m->addSeparator();
  m->addAction( tr( "Save as Default" ), this, SLOT( saveDefaultStyle_clicked() ) );
  m->addAction( tr( "Restore Default" ), this, SLOT( loadDefaultStyle_clicked() ) );
  b->setMenu( m );
  connect( m, SIGNAL( aboutToShow() ), this, SLOT( aboutToShowStyleMenu() ) );
  buttonBox->addButton( b, QDialogButtonBox::ResetRole );

  connect( lyr->styleManager(), SIGNAL( currentStyleChanged( QString ) ), this, SLOT( syncToLayer() ) );

  connect( buttonBox->button( QDialogButtonBox::Apply ), SIGNAL( clicked() ), this, SLOT( apply() ) );
  connect( this, SIGNAL( accepted() ), this, SLOT( apply() ) );
  connect( this, SIGNAL( rejected() ), this, SLOT( onCancel() ) );

  connect( mOptionsStackedWidget, SIGNAL( currentChanged( int ) ), this, SLOT( mOptionsStackedWidget_CurrentChanged( int ) ) );

  fieldComboBox->setLayer( lyr );
  displayFieldComboBox->setLayer( lyr );
  connect( insertFieldButton, SIGNAL( clicked() ), this, SLOT( insertField() ) );
  connect( insertExpressionButton, SIGNAL( clicked() ), this, SLOT( insertExpression() ) );

  // connections for Map Tip display
  connect( htmlRadio, SIGNAL( toggled( bool ) ), htmlMapTip, SLOT( setEnabled( bool ) ) );
  connect( htmlRadio, SIGNAL( toggled( bool ) ), insertFieldButton, SLOT( setEnabled( bool ) ) );
  connect( htmlRadio, SIGNAL( toggled( bool ) ), fieldComboBox, SLOT( setEnabled( bool ) ) );
  connect( htmlRadio, SIGNAL( toggled( bool ) ), insertExpressionButton, SLOT( setEnabled( bool ) ) );
  connect( fieldComboRadio, SIGNAL( toggled( bool ) ), displayFieldComboBox, SLOT( setEnabled( bool ) ) );

  if ( !layer )
    return;

  QVBoxLayout *layout;

  if ( layer->hasGeometryType() )
  {
    // Create the Labeling dialog tab
    layout = new QVBoxLayout( labelingFrame );
    layout->setMargin( 0 );
    labelingDialog = new QgsLabelingWidget( layer, QgisApp::instance()->mapCanvas(), labelingFrame );
    labelingDialog->layout()->setContentsMargins( -1, 0, -1, 0 );
    layout->addWidget( labelingDialog );
    labelingFrame->setLayout( layout );

    // Create the Labeling (deprecated) dialog tab
    layout = new QVBoxLayout( labelOptionsFrame );
    layout->setMargin( 0 );
    labelDialog = new QgsLabelDialog( layer->label(), labelOptionsFrame );
    labelDialog->layout()->setMargin( 0 );
    layout->addWidget( labelDialog );
    labelOptionsFrame->setLayout( layout );
    connect( labelDialog, SIGNAL( labelSourceSet() ), this, SLOT( setLabelCheckBox() ) );
  }
  else
  {
    labelingDialog = nullptr;
    labelDialog = nullptr;
    mOptsPage_Labels->setEnabled( false ); // disable labeling item
    mOptsPage_LabelsOld->setEnabled( false ); // disable labeling (deprecated) item
  }

  // Create the Actions dialog tab
  QVBoxLayout *actionLayout = new QVBoxLayout( actionOptionsFrame );
  actionLayout->setMargin( 0 );
  const QgsFields &fields = layer->fields();
  actionDialog = new QgsAttributeActionDialog( layer->actions(), fields, actionOptionsFrame );
  actionDialog->layout()->setMargin( 0 );
  actionLayout->addWidget( actionDialog );

  // Create the menu for the save style button to choose the output format
  mSaveAsMenu = new QMenu( this );
  mSaveAsMenu->addAction( tr( "QGIS Layer Style File..." ) );
  mSaveAsMenu->addAction( tr( "SLD File..." ) );

//.........这里部分代码省略.........