C++ createContextMenu函数代码示例

void OutlinePalette::slotRightClick(QPoint point)
{
	if (!m_MainWindow || m_MainWindow->scriptIsRunning())
		return;
	QTreeWidgetItem *ite = reportDisplay->itemAt(point);
	if (ite == NULL)
		return;
	if (!ite->isSelected())
		slotMultiSelect();
	OutlineTreeItem *item = (OutlineTreeItem*)ite;
	
	if (item != NULL)
	{
		if ((item->type == 0) || (item->type == 2))
			createContextMenu(NULL, point.x(), point.y());
		else if ((item->type == 1) || (item->type == 3) || (item->type == 4))
		{
			PageItem *currItem = item->PageItemObject;
			if (currItem!=NULL)
			{
				currentObject = ite;
				createContextMenu(currItem, point.x(), point.y());
			}
		}
	}
}

void chanFileSystemDockWidget::init() {

    createWidgets();
    createContextMenu();
    createFileSystemTree();
    createRoot();
}

SyncErrorsTableView::SyncErrorsTableView(QWidget *parent)
    : QTableView(parent)
{
    verticalHeader()->hide();
    verticalHeader()->setDefaultSectionSize(36);
    horizontalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);
    horizontalHeader()->setStretchLastSection(true);
    horizontalHeader()->setCascadingSectionResizes(true);
    horizontalHeader()->setHighlightSections(false);
    horizontalHeader()->setDefaultAlignment(Qt::AlignLeft | Qt::AlignVCenter);

    setGridStyle(Qt::NoPen);
    setShowGrid(false);
    setContentsMargins(0, 0, 0, 0);
    setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);

    setSelectionBehavior(QAbstractItemView::SelectRows);
    setSelectionMode(QAbstractItemView::ExtendedSelection);
    setMouseTracking(true);

    createContextMenu();

    connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
            this, SLOT(onItemDoubleClicked(const QModelIndex&)));
}

/*" + gaycolor.red() + "," + gaycolor.green() + "," + gaycolor.blue() + "*/
PluginGeneratorGUI::PluginGeneratorGUI(PluginManager& pman,QWidget* parent )
:QDockWidget(parent),plugscriptname(),author(),mail(),init(false),finfo(QApplication::applicationDirPath()),doc(NULL),PM(pman)
{
	QFrame* f = new QFrame(this);
	QGridLayout* lay = new QGridLayout();
	tabs = new QTabWidget(this);
	tabs->setUsesScrollButtons(true);
	//setWidget(tabs);
	int openedtabs = tabs->count();
	if (openedtabs == 0)
		addNewFilter();
	else 
	{
		if (openedtabs > 1)
			for (int ii = 1;ii < openedtabs;++ii)
				tabs->removeTab(ii);
		addNewFilter();
	}
	lay->addWidget(tabs);
	lay->setAlignment(Qt::AlignVCenter);
	f->setLayout(lay);
	setWidget(f);
	createContextMenu();
	this->setVisible(false);
	//this->setScroll
}

ByteViewText::ByteViewText(const QByteArray &data, packet_char_enc encoding, QWidget *parent) :
    QAbstractScrollArea(parent),
    layout_(new QTextLayout()),
    data_(data),
    encoding_(encoding),
    hovered_byte_offset_(-1),
    marked_byte_offset_(-1),
    proto_start_(0),
    proto_len_(0),
    field_start_(0),
    field_len_(0),
    field_a_start_(0),
    field_a_len_(0),
    show_offset_(true),
    show_hex_(true),
    show_ascii_(true),
    row_width_(recent.gui_bytes_view == BYTES_HEX ? 16 : 8),
    font_width_(0),
    line_height_(0)
{
    layout_->setCacheEnabled(true);

    offset_normal_fg_ = ColorUtils::alphaBlend(palette().windowText(), palette().window(), 0.35);
    offset_field_fg_ = ColorUtils::alphaBlend(palette().windowText(), palette().window(), 0.65);

    createContextMenu();

    setMouseTracking(true);

#ifdef Q_OS_MAC
    setAttribute(Qt::WA_MacShowFocusRect, true);
#endif
}

MainWindow::MainWindow()
    :documents()
{
    tabWidget = new QTabWidget(this);
    tabWidget -> setTabsClosable(true);
    tabWidget -> setUsesScrollButtons(true);
    tabWidget -> setDocumentMode(true);
    connect(tabWidget, SIGNAL(tabCloseRequested(int)), this, SLOT(closeTab(int)));
    connect(tabWidget, SIGNAL(currentChanged(int)), this, SLOT(currentTabChanged(int)));
    setCentralWidget(tabWidget);

	createActions();
	createMenus();
    createContextMenu(0);
	createToolBars();
	createStatusBar();
	readSettings();
    findDialog = 0;
    setWindowIcon(QIcon(":/images/pics/ss.png"));
	setCurrentFile("");

    //test
    setWindowModified(true);
    setCurrentFile(tr("data.sp"));
    setCurrentFile(tr("money.sp"));
    setCurrentFile(tr("students.sp"));
    setCurrentFile(tr("teachers.sp"));
    setCurrentFile(tr("total.sp"));
}

SeafileTrayIcon::SeafileTrayIcon(QObject *parent)
    : QSystemTrayIcon(parent),
      nth_trayicon_(0),
      rotate_counter_(0)
{
    setToolTip(SEAFILE_CLIENT_BRAND);
    setState(STATE_DAEMON_DOWN);
    rotate_timer_ = new QTimer(this);
    connect(rotate_timer_, SIGNAL(timeout()), this, SLOT(rotateTrayIcon()));

    refresh_timer_ = new QTimer(this);
    connect(refresh_timer_, SIGNAL(timeout()), this, SLOT(refreshTrayIcon()));

    createActions();
    createContextMenu();

    connect(this, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
            this, SLOT(onActivated(QSystemTrayIcon::ActivationReason)));

    hide();

#if defined(Q_WS_MAC)
    tnm = new TrayNotificationManager(this);
#endif
}

/** Default Constructor
  *
  * The parent parameter is not needed here unlike in the
  * dialogs because the main window doesn't have a parrent.
  * how sad...
  * */
MainWindow::MainWindow()
{
    /* Create a spreadsheet widget which will be implimented
     * in chapter 4 of the book. It is then set as the central
     * widget of the main window.
     * */
    spreadsheet = new Spreadsheet;
    setCentralWidget(spreadsheet);

    /* These functions set up the rest of the main window */
    createActions();
    createMenus();
    createContextMenu();
    createToolBar();
    createStatusBar();

    /* Read the application's saved settings */
    readSettings();

    /* Not created as an object yet just as a NULL pointer for now */
    findDialog = 0;

    /* Set the icon at the top of the window. this is platform independent
     * unfortunately there is no platform independent way of setting the
     * desktop icon. :(
     *
     * to refer to resources define in the pro file we use ':/' as
     * demonstrated below. More in Ch 12 in book.
     * */
    setWindowIcon(QIcon(":/images/icon.png"));
    setCurrentFile("");
}

SeafileTrayIcon::SeafileTrayIcon(QObject *parent)
    : QSystemTrayIcon(parent),
      nth_trayicon_(0),
      rotate_counter_(0)
{
    setState(STATE_DAEMON_DOWN);
    rotate_timer_ = new QTimer(this);
    connect(rotate_timer_, SIGNAL(timeout()), this, SLOT(rotateTrayIcon()));

    refresh_timer_ = new QTimer(this);
    connect(refresh_timer_, SIGNAL(timeout()), this, SLOT(refreshTrayIcon()));

    createActions();
    createContextMenu();

    connect(this, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
            this, SLOT(onActivated(QSystemTrayIcon::ActivationReason)));

    connect(SeahubNotificationsMonitor::instance(), SIGNAL(notificationsChanged()),
            this, SLOT(onSeahubNotificationsChanged()));

    hide();

#if defined(Q_WS_MAC)
    tnm = new TrayNotificationManager(this);
#endif
}

SeafileTrayIcon::SeafileTrayIcon(QObject *parent)
    : QSystemTrayIcon(parent),
      nth_trayicon_(0),
      rotate_counter_(0),
      state_(STATE_DAEMON_UP)
{
    setState(STATE_DAEMON_DOWN);
    rotate_timer_ = new QTimer(this);
    connect(rotate_timer_, SIGNAL(timeout()), this, SLOT(rotateTrayIcon()));

    refresh_timer_ = new QTimer(this);
    connect(refresh_timer_, SIGNAL(timeout()), this, SLOT(refreshTrayIcon()));
    connect(refresh_timer_, SIGNAL(timeout()), this, SLOT(refreshTrayIconToolTip()));

    createActions();
    createContextMenu();

    connect(this, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
            this, SLOT(onActivated(QSystemTrayIcon::ActivationReason)));

    connect(SeahubNotificationsMonitor::instance(), SIGNAL(notificationsChanged()),
            this, SLOT(onSeahubNotificationsChanged()));

#if defined(Q_OS_WIN32) || (defined(Q_OS_MAC) && (QT_VERSION >= QT_VERSION_CHECK(5, 1, 0)))
    connect(this, SIGNAL(messageClicked()),
            this, SLOT(onMessageClicked()));
#endif

    hide();

    createGlobalMenuBar();
#if defined(Q_OS_MAC)
    tnm = new TrayNotificationManager(this);
#endif
}

lmcMessageLog::lmcMessageLog(QWidget *parent)
    : QWebView(parent)
{

	connect(this, SIGNAL(linkClicked(QUrl)), this, SLOT(log_linkClicked(QUrl)));
	connect(this->page()->mainFrame(), SIGNAL(contentsSizeChanged(QSize)),
			this, SLOT(log_contentsSizeChanged(QSize)));
	connect(this->page(), SIGNAL(linkHovered(QString, QString, QString)),
			this, SLOT(log_linkHovered(QString, QString, QString)));

	setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
	page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
	setRenderHints(QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform);

	createContextMenu();

	participantAvatars.clear();
	hasData = false;
	messageTime = false;
	messageDate = false;
	allowLinks = false;
	pathToLink = false;
	trimMessage = true;
	fontSizeVal = 0;
	sendFileMap.clear();
	receiveFileMap.clear();
	lastId = QString::null;
	messageLog.clear();
	linkHovered = false;
	outStyle = false;
	autoScroll = true;
}

void WebContextMenuProxyQt::showContextMenu(const IntPoint& position, const Vector<WebContextMenuItemData>& items)
{
    if (QMenu* menu = createContextMenu(items)) {
        menu->move(position);
        emit m_page->showContextMenu(menu);
    }
}

void ContextMenuController::handleContextMenuEvent(Event* event)
{
    m_contextMenu = createContextMenu(event);
    if (!m_contextMenu)
        return;

    showContextMenu(event);
}

void MusicLrcSearchTableWidget::contextMenuEvent(QContextMenuEvent *event)
{
    MusicQueryTableWidget::contextMenuEvent(event);
    QMenu rightClickMenu(this);
    createContextMenu(rightClickMenu);

    rightClickMenu.exec(QCursor::pos());
}

void BatDown::init() {
    createActions();
    createMenus();
    createContextMenu();
    createToolBars();
    createStatusBar();
    createCentralArea();
}