C++ setCurrentWidget函数代码示例

void EditWidget::EditTasks()
{
    setCurrentWidget(subtaskWidget);
}

void WalletView::gotoHistoryPage()
{
    gui->getHistoryAction()->setChecked(true);
    setCurrentWidget(transactionsPage);
}

void WalletView::gotoNewsPage()
{
    gui->getNewsAction()->setChecked(true);
    setCurrentWidget(newsPage);
}

void DatabaseTabWidget::lockDatabases()
{
    clipboard()->clearCopiedText();

    for (int i = 0; i < count(); i++) {
        DatabaseWidget* dbWidget = static_cast<DatabaseWidget*>(widget(i));
        Database* db = databaseFromDatabaseWidget(dbWidget);

        DatabaseWidget::Mode mode = dbWidget->currentMode();

        if ((mode != DatabaseWidget::ViewMode && mode != DatabaseWidget::EditMode)
                || !dbWidget->dbHasKey()) {
            continue;
        }

        // show the correct tab widget before we are asking questions about it
        setCurrentWidget(dbWidget);

        if (mode == DatabaseWidget::EditMode) {
            QMessageBox::StandardButton result =
                MessageBox::question(
                    this, tr("Lock database"),
                    tr("Can't lock the database as you are currently editing it.\nPlease press cancel to finish your changes or discard them."),
                    QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
            if (result == QMessageBox::Cancel) {
                continue;
            }
        }


        if (m_dbList[db].modified && !m_dbList[db].saveToFilename) {
            QMessageBox::StandardButton result =
                MessageBox::question(
                    this, tr("Lock database"),
                    tr("This database has never been saved.\nYou can save the database or stop locking it."),
                    QMessageBox::Save | QMessageBox::Cancel, QMessageBox::Cancel);
            if (result == QMessageBox::Save) {
                if (!saveDatabase(db)) {
                    continue;
                }
            }
            else if (result == QMessageBox::Cancel) {
                continue;
            }
        }
        else if (m_dbList[db].modified) {
            QMessageBox::StandardButton result =
                MessageBox::question(
                    this, tr("Lock database"),
                    tr("This database has been modified.\nDo you want to save the database before locking it?\nOtherwise your changes are lost."),
                    QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
            if (result == QMessageBox::Save) {
                if (!saveDatabase(db)) {
                    continue;
                }
            }
            else if (result == QMessageBox::Discard) {
                m_dbList[db].modified = false;
            }
            else if (result == QMessageBox::Cancel) {
                continue;
            }
        }

        dbWidget->lock();
        // database has changed so we can't use the db variable anymore
        updateTabName(dbWidget->database());
    }
}

void CentralWin::setSendPage()
{
	setCurrentWidget(sendp);
}

void PlayQueueView::setMode(ItemView::Mode m)
{
    if (m==mode || (ItemView::Mode_GroupedTree!=m && ItemView::Mode_Table!=m)) {
        return;
    }

    if (ItemView::Mode_Table==mode) {
        treeView->saveHeader();
    }

    switch (m) {
    case ItemView::Mode_GroupedTree:
        if (!groupedView) {
            groupedView=new PlayQueueGroupedView(this);
            groupedView->setContextMenuPolicy(Qt::ActionsContextMenu);
            groupedView->setIndentation(0);
            groupedView->setItemsExpandable(false);
            groupedView->setExpandsOnDoubleClick(false);
            groupedView->installFilter(new KeyEventHandler(groupedView, removeFromAction));
            addWidget(groupedView);
            connect(groupedView, SIGNAL(itemsSelected(bool)), SIGNAL(itemsSelected(bool)));
            connect(groupedView, SIGNAL(doubleClicked(const QModelIndex &)), SIGNAL(doubleClicked(const QModelIndex &)));
            updatePalette();
            #ifdef Q_OS_MAC
            groupedView->setAttribute(Qt::WA_MacShowFocusRect, 0);
            #endif
            groupedView->setProperty(ProxyStyle::constModifyFrameProp, ProxyStyle::VF_Top);
        }
        break;
    case ItemView::Mode_Table:
        if (!treeView) {
            treeView=new PlayQueueTreeView(this);
            treeView->setContextMenuPolicy(Qt::ActionsContextMenu);
            treeView->installFilter(new KeyEventHandler(treeView, removeFromAction));
            treeView->initHeader();
            addWidget(treeView);
            connect(treeView, SIGNAL(itemsSelected(bool)), SIGNAL(itemsSelected(bool)));
            connect(treeView, SIGNAL(doubleClicked(const QModelIndex &)), SIGNAL(doubleClicked(const QModelIndex &)));
            updatePalette();
            #ifdef Q_OS_MAC
            treeView->setAttribute(Qt::WA_MacShowFocusRect, 0);
            #endif
            treeView->setProperty(ProxyStyle::constModifyFrameProp, ProxyStyle::VF_Top);
        }
    default:
        break;
    }

    QAbstractItemModel *model=0;
    QList<QAction *> actions;
    if (ItemView::Mode_Count!=mode) {
        QAbstractItemView *v=view();
        model=v->model();
        v->setModel(0);
        actions=v->actions();
    }

    mode=m;
    QAbstractItemView *v=view();
    v->setModel(model);
    if (!actions.isEmpty() && v->actions().isEmpty()) {
        v->addActions(actions);
    }

    if (ItemView::Mode_Table==mode) {
        treeView->initHeader();
    }

    setCurrentWidget(static_cast<QWidget *>(view()));
    if (spinner) {
        spinner->setWidget(view());
        if (spinner->isActive()) {
            spinner->start();
        }
    }
    if (msgOverlay) {
        msgOverlay->setWidget(view());
    }
}

void WalletView::gotoDecisionPage()
{
    setCurrentWidget(decisionPage);
}

void WalletView::gotoBlockBrowser()
{
    gui->getBlockAction()->setChecked(true);
    setCurrentWidget(blockBrowser);
}

void WalletView::gotoMiningPage()
{
    gui->getMiningAction()->setChecked(true);
    setCurrentWidget(miningPage);
}

void WalletView::gotoReceiveCoinsPage()
{
    setCurrentWidget(receiveCoinsPage);
}

void KNEmptyStateWidget::showEmptyWidget()
{
    //Display the empty state widget.
    setCurrentWidget(m_emptyWidget);
}

void WalletView::gotoZerocoinPage()
{
    gui->getZerocoinAction()->setChecked(true);
    setCurrentWidget(zerocoinPage);
}

//.........这里部分代码省略.........

    m_groupView = new GroupView(db, m_splitter);
    m_groupView->setObjectName("groupView");
    m_groupView->setContextMenuPolicy(Qt::CustomContextMenu);
    connect(m_groupView, SIGNAL(customContextMenuRequested(QPoint)),
            SLOT(emitGroupContextMenuRequested(QPoint)));

    m_entryView = new EntryView(rightHandSideWidget);
    m_entryView->setObjectName("entryView");
    m_entryView->setContextMenuPolicy(Qt::CustomContextMenu);
    m_entryView->setGroup(db->rootGroup());
    connect(m_entryView, SIGNAL(customContextMenuRequested(QPoint)),
            SLOT(emitEntryContextMenuRequested(QPoint)));

    QAction* closeAction = new QAction(m_searchWidget);
    QIcon closeIcon = filePath()->icon("actions", "dialog-close");
    closeAction->setIcon(closeIcon);
    m_searchUi->closeSearchButton->setDefaultAction(closeAction);
    m_searchUi->closeSearchButton->setShortcut(Qt::Key_Escape);
    m_searchWidget->hide();
    m_searchUi->caseSensitiveCheckBox->setVisible(false);

    QVBoxLayout* vLayout = new QVBoxLayout(rightHandSideWidget);
    vLayout->setMargin(0);
    vLayout->addWidget(m_searchWidget);
    vLayout->addWidget(m_entryView);

    rightHandSideWidget->setLayout(vLayout);

    setTabOrder(m_searchUi->searchRootRadioButton, m_entryView);
    setTabOrder(m_entryView, m_groupView);
    setTabOrder(m_groupView, m_searchWidget);

    m_splitter->addWidget(m_groupView);
    m_splitter->addWidget(rightHandSideWidget);

    m_splitter->setStretchFactor(0, 30);
    m_splitter->setStretchFactor(1, 70);

    layout->addWidget(m_splitter);
    m_mainWidget->setLayout(layout);

    m_editEntryWidget = new EditEntryWidget();
    m_editEntryWidget->setObjectName("editEntryWidget");
    m_historyEditEntryWidget = new EditEntryWidget();
    m_editGroupWidget = new EditGroupWidget();
    m_editGroupWidget->setObjectName("editGroupWidget");
    m_changeMasterKeyWidget = new ChangeMasterKeyWidget();
    m_changeMasterKeyWidget->headlineLabel()->setText(tr("Change master key"));
    QFont headlineLabelFont = m_changeMasterKeyWidget->headlineLabel()->font();
    headlineLabelFont.setBold(true);
    headlineLabelFont.setPointSize(headlineLabelFont.pointSize() + 2);
    m_changeMasterKeyWidget->headlineLabel()->setFont(headlineLabelFont);
    m_databaseSettingsWidget = new DatabaseSettingsWidget();
    m_databaseSettingsWidget->setObjectName("databaseSettingsWidget");
    m_databaseOpenWidget = new DatabaseOpenWidget();
    m_databaseOpenWidget->setObjectName("databaseOpenWidget");
    m_keepass1OpenWidget = new KeePass1OpenWidget();
    m_keepass1OpenWidget->setObjectName("keepass1OpenWidget");
    m_unlockDatabaseWidget = new UnlockDatabaseWidget();
    m_unlockDatabaseWidget->setObjectName("unlockDatabaseWidget");
    addWidget(m_mainWidget);
    addWidget(m_editEntryWidget);
    addWidget(m_editGroupWidget);
    addWidget(m_changeMasterKeyWidget);
    addWidget(m_databaseSettingsWidget);
    addWidget(m_historyEditEntryWidget);
    addWidget(m_databaseOpenWidget);
    addWidget(m_keepass1OpenWidget);
    addWidget(m_unlockDatabaseWidget);

    connect(m_splitter, SIGNAL(splitterMoved(int,int)), SIGNAL(splitterSizesChanged()));
    connect(m_entryView->header(), SIGNAL(sectionResized(int,int,int)), SIGNAL(entryColumnSizesChanged()));
    connect(m_groupView, SIGNAL(groupChanged(Group*)), this, SLOT(clearLastGroup(Group*)));
    connect(m_groupView, SIGNAL(groupChanged(Group*)), SIGNAL(groupChanged()));
    connect(m_groupView, SIGNAL(groupChanged(Group*)), m_entryView, SLOT(setGroup(Group*)));
    connect(m_entryView, SIGNAL(entryActivated(Entry*, EntryModel::ModelColumn)),
            SLOT(entryActivationSignalReceived(Entry*, EntryModel::ModelColumn)));
    connect(m_entryView, SIGNAL(entrySelectionChanged()), SIGNAL(entrySelectionChanged()));
    connect(m_editEntryWidget, SIGNAL(editFinished(bool)), SLOT(switchToView(bool)));
    connect(m_editEntryWidget, SIGNAL(historyEntryActivated(Entry*)), SLOT(switchToHistoryView(Entry*)));
    connect(m_historyEditEntryWidget, SIGNAL(editFinished(bool)), SLOT(switchBackToEntryEdit()));
    connect(m_editGroupWidget, SIGNAL(editFinished(bool)), SLOT(switchToView(bool)));
    connect(m_changeMasterKeyWidget, SIGNAL(editFinished(bool)), SLOT(updateMasterKey(bool)));
    connect(m_databaseSettingsWidget, SIGNAL(editFinished(bool)), SLOT(switchToView(bool)));
    connect(m_databaseOpenWidget, SIGNAL(editFinished(bool)), SLOT(openDatabase(bool)));
    connect(m_keepass1OpenWidget, SIGNAL(editFinished(bool)), SLOT(openDatabase(bool)));
    connect(m_unlockDatabaseWidget, SIGNAL(editFinished(bool)), SLOT(unlockDatabase(bool)));
    connect(this, SIGNAL(currentChanged(int)), this, SLOT(emitCurrentModeChanged()));
    connect(m_searchUi->searchEdit, SIGNAL(textChanged(QString)), this, SLOT(startSearchTimer()));
    connect(m_searchUi->caseSensitiveCheckBox, SIGNAL(toggled(bool)), this, SLOT(startSearch()));
    connect(m_searchUi->searchCurrentRadioButton, SIGNAL(toggled(bool)), this, SLOT(startSearch()));
    connect(m_searchUi->searchRootRadioButton, SIGNAL(toggled(bool)), this, SLOT(startSearch()));
    connect(m_searchUi->searchEdit, SIGNAL(returnPressed()), m_entryView, SLOT(setFocus()));
    connect(m_searchTimer, SIGNAL(timeout()), this, SLOT(search()));
    connect(closeAction, SIGNAL(triggered()), this, SLOT(closeSearch()));
    connect( &m_file_watcher, SIGNAL( fileChanged() ), this, SLOT( databaseModifedExternally() ) );

    setCurrentWidget(m_mainWidget);
}

bool TabWidget::eventFilter(QObject *obj, QEvent *event)
{
    if (obj==tabBar())
    {
        // this code handles the tab movement
        if (event->type() == QEvent::Leave)
        {
            QPoint point = cross->mapToGlobal( QPoint(0, 0) );
            QRect rect(point.x(), point.y(), cross->width(), cross->height() );
            if ( !rect.contains( QCursor::pos() ) )
                cross->hide();
        }
        else if (event->type() == QEvent::HoverMove && m_closeButtonInTabs )
        {
            QHoverEvent *mouseEvent = static_cast<QHoverEvent *>(event);
            mousePos = mouseEvent->pos();
            for (int i=0; i<tabBar()->count(); i++)
            {
                if ( tabBar()->tabRect(i).contains( mouseEvent->pos() ) )
                {
                    m_clickedItem= i;
                    break;
                }
            }
            cross->setGeometry(tabBar()->tabRect(m_clickedItem).x()+tabBar()->tabRect(m_clickedItem).width()-cross->width()-5,
                               //tabBar()->height()-(tabBar()->tabRect(m_clickedItem).height()/2),
                               5,
                               cross->width(),
                               cross->height());
            cross->show();
        }
        else if (event->type() == QEvent::MouseButtonRelease )
        {
            qApp->restoreOverrideCursor();
        }
        else if (event->type() == QEvent::MouseButtonPress )
        {
            QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
            for (int i=0; i<tabBar()->count(); i++)
            {
                if ( tabBar()->tabRect(i).contains( mouseEvent->pos() ) )
                {
                    m_clickedItem = i;
                    break;
                }
            }
            if ( mouseEvent->button() == Qt::LeftButton )
                qApp->setOverrideCursor( Qt::OpenHandCursor );
            if ( mouseEvent->button() == Qt::RightButton )
            {
                QMenu *menu = new QMenu(this);
                connect(menu->addAction(QIcon(":/images/cross.png"), tr("Close Tab")), SIGNAL(triggered()), this, SLOT(slotCloseTab()) );
                connect(menu->addAction(QIcon(":/images/fileclose.png"), tr("Close Other Tabs")), SIGNAL(triggered()), this, SLOT(slotCloseOtherTab()) );
                connect(menu->addAction(QIcon(":/images/fileclose.png"), tr("Close All Tabs")), SIGNAL(triggered()), this, SLOT(slotCloseAllTab()) );
                menu->exec(mouseEvent->globalPos());
                delete menu;
            }
        }
        else if (event->type() == QEvent::MouseMove )
        {
            QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
            for (int i=0; i<tabBar()->count(); i++)
            {
                if ( tabBar()->tabRect(i).contains( mouseEvent->pos() ) )
                {
                    if ( swapTabs(i, m_clickedItem) )
                    {
                        setCurrentWidget(widget(i));
                        update();
                        int x;
                        if ( !tabBar()->tabRect(i).contains( mouseEvent->pos() ) )
                        {
                            if ( tabBar()->tabRect(m_clickedItem).x() < tabBar()->tabRect(i).x() )
                                x = tabBar()->tabRect(i).x();
                            else
                                x = tabBar()->tabRect(i).x()+(tabBar()->tabRect(i).width()-(qAbs(tabBar()->tabRect(i).width()-tabBar()->tabRect(m_clickedItem).width())));
                            QPoint point =  QPoint(
                                                x,
                                                mouseEvent->pos().y()
                                            );
                            point =  widget(i)->mapToGlobal( point );
                            m_clickedItem = i;
                            QCursor::setPos ( point.x(), QCursor::pos().y() );
                        }
                        m_clickedItem = i;
                        break;
                    }
                }
            }
        }
    }
    return QTabWidget::eventFilter( obj, event);
}

void WalletView::gotoVoteCoinsPage()
{
    gui->getVoteCoinsAction()->setChecked(true);
    setCurrentWidget(voteCoinsPage);
}