自学教程：C++ updateWidget函数代码示例

LaunchSimulationBox::LaunchSimulationBox(        const Glib::RefPtr < Gtk::Builder >& xml, const vpz::Vpz& vpz,        vle::utils::Package& curr_pack)    : mVpz(vpz), mDialog(0), mMono(0), mMulti(0), mNbProcess(0), mDistant(0),    mPlay(0), mStop(0), mProgressBar(0), mCurrentTimeLabel(0),mState(Wait),    mThread(0), mThreadRun(false), mCurrPackage(curr_pack){    xml->get_widget("DialogSimulation", mDialog);    xml->get_widget("RadioSimuMono", mMono);    xml->get_widget("RadioSimuMulti", mMulti);    xml->get_widget("SpinSimuProcess", mNbProcess);    xml->get_widget("RadioSimuDistant", mDistant);    xml->get_widget("simuPlay", mPlay);    xml->get_widget("simuStop", mStop);    xml->get_widget("simuProgressBar", mProgressBar);    xml->get_widget("simuCurrentTime", mCurrentTimeLabel);    mConnectionPlayButton = mPlay->signal_clicked().connect(        sigc::mem_fun(*this, &LaunchSimulationBox::onPlayButtonClicked));    mConnectionStopButton = mStop->signal_clicked().connect(        sigc::mem_fun(*this, &LaunchSimulationBox::onStopButtonClicked));    mMono->set_active(true);    mMulti->set_sensitive(false);    mDistant->set_sensitive(false);    updateWidget();}

ModuleWindow::ModuleWindow(Module* module, MainWindow* parent,                                Manager* manager){    m_pModule = module;    m_pParent = parent;    m_pManager = manager;    /* Create a new scrolled window, with scrollbars only if needed */    set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);    add(m_TreeView);    /* create tree store */    m_refTreeModel = Gtk::TreeStore::create(m_Columns);    m_TreeView.set_model(m_refTreeModel);    //Add the Model’s column to the View’s columns:     Gtk::CellRendererText* cellText = Gtk::manage(new Gtk::CellRendererText());    Gtk::CellRendererPixbuf* cellPix = Gtk::manage(new Gtk::CellRendererPixbuf());     Gtk::TreeViewColumn* col = Gtk::manage(new Gtk::TreeViewColumn("Item"));    col->pack_start(*cellPix, false);    col->pack_start(*cellText, true);    col->add_attribute(*cellText, "text", 1);    col->add_attribute(*cellPix, "pixbuf", 0);    m_TreeView.append_column(*col);    m_TreeView.get_column(0)->set_resizable(true);    m_TreeView.append_column("Value", m_Columns.m_col_value);    m_TreeView.get_column(1)->set_resizable(true);        updateWidget();    show_all_children();}

 void PianorollTrackView::onMouseReleaseSlot(QMouseEvent *event) {     mouseStatus.endPosition = mapToScene(event->pos());     if (mouseStatus.mode == MouseStatus::LEFTBUTTON_MOVE_ITEM) {         if (mouseStatus.isMouseMoved) {             ItemSelectionManager *manager = controllerAdapter->getItemSelectionManager();             EditEventCommand command = manager->getEditEventCommand(trackIndex);             controllerAdapter->execute(&command);         } else {             ItemSelectionManager *manager = controllerAdapter->getItemSelectionManager();             const VSQ_NS::Event *noteEventOnMouse = findNoteEventAt(event->pos());             if (noteEventOnMouse) {                 if ((event->modifiers() & Qt::ControlModifier) != Qt::ControlModifier) {                     manager->clear();                 }                 if (mouseStatus.itemSelectionStatusAtFirst.isContains(noteEventOnMouse)) {                     manager->remove(noteEventOnMouse);                 } else {                     manager->add(noteEventOnMouse);                 }             }         }     } else if (mouseStatus.mode == MouseStatus::LEFTBUTTON_ADD_ITEM) {         if (0 < mouseStatus.addingNoteItem.getLength()) {             std::vector<VSQ_NS::Event> eventList;             eventList.push_back(mouseStatus.addingNoteItem);             AddEventCommand command(trackIndex, eventList);             controllerAdapter->execute(&command);         }     }     mouseStatus.mode = MouseStatus::NONE;     updateWidget(); }

void ResourceWindow::onRefresh(){    ErrorLogger* logger  = ErrorLogger::Instance();    if(m_pManager->updateResource(m_pComputer->getName()))    {        YarpBroker broker;        broker.init();            string strServer = m_pComputer->getName();        if(strServer[0] != '/')            strServer = string("/") + strServer;        // Processes list        ProcessContainer processes;        if(broker.getAllProcesses(strServer.c_str(), processes))        {            m_pComputer->getProcesses().clear();            for(unsigned int i=0; i<processes.size(); i++)                m_pComputer->getProcesses().push_back(processes[i]);        }        else            logger->addError(broker.error());                updateWidget();    }    m_pParent->reportErrors();}

static void updateAll(EditorWidget *my_widget, QWidget *widget){  configure_note_colors(my_widget);  updateWidget(my_widget, widget);#if 0  if(widget->objectName () == "view"){    widget->setStyleSheet(QString::fromUtf8("background-color: qlineargradient(spread:reflect, x1:0, y1:0, x2:0.38, y2:1, stop:0 rgba(111, 131, 111, 22), stop:1 rgba(255, 255, 255, 43));"));  }#endif#if 0  widget->setStyleSheet(QString::fromUtf8("color: qlineargradient(spread:reflect, x1:0, y1:0, x2:0.38, y2:1, stop:0 rgba(0, 3, 0, 155), stop:1 rgba(5, 5, 5, 175));"));#endif  const QList<QObject*> list = widget->children();  if(list.empty()==true)    return;  for (int i = 0; i < list.size(); ++i) {    QWidget *widget = dynamic_cast<QWidget*>(list.at(i));    if(widget!=NULL)      updateAll(my_widget,widget);  }}

static void updateAll(EditorWidget *my_widget){  foreach (QWidget *widget, QApplication::allWidgets())    updateWidget(my_widget, widget);  //updateAll(my_widget,application->mainWidget());  updateApplication(my_widget,application);}

void ColormapEditWidget::selectionChanged( int id ){    m_colormap = ColormapFunctions::get( id );    m_nameEdit->setText( m_colormap.getName() );    m_selected = id;    updateWidget();}

 void PianorollTrackView::handleMouseLeftButtonPressByEraser(QMouseEvent *event) {     const VSQ_NS::Event *noteEventOnMouse = findNoteEventAt(event->pos());     controllerAdapter->removeEvent(trackIndex, noteEventOnMouse);     if (!noteEventOnMouse) {         initMouseStatus(MouseStatus::LEFTBUTTON_SELECT_ITEM, event, noteEventOnMouse);     }     updateWidget(); }

void LoginWidget::slotChangePWView(){  if(pwVisible){    pwVisible = FALSE;  }else{    pwVisible = TRUE;  }  updateWidget();}

void LoginWidget::slotChangePWView(){  if(pwVisible){    pwVisible = false;  }else{    pwVisible = true;  }  updateWidget();}

/// Ensure all pending events have been processed and update screen/// for the given widget./// /widget The widget needs to update./// /w The waveform used to update screen./// /whole Update whole screen or not./// /wait The synchronous way between ScreenProxy and server.void ScreenProxy::flush(const QWidget *widget,                        Waveform w,                        bool whole,                        ScreenCommand::WaitMode wait){    flush();    updateWidget(widget, w, whole, wait);}

QMenu *QMenuFilesRecentlyOpened::createWidget(QWidget *parent, const std::string &name){    menuRecentlyOpenedFiles = new QMenu(QString(name.c_str()), parent);    menuRecentlyOpenedFiles->setTearOffEnabled(true);    updateWidget();    return menuRecentlyOpenedFiles;}

//--------------------------------------------------------------------------------------------------/// //--------------------------------------------------------------------------------------------------QWidget* QSRPropGuiBindingBool::createWidget(){    CVF_ASSERT(m_widget == NULL);    m_widget = new QCheckBox;    updateWidget(CONFIG_AND_VALUE);    connect(m_widget, SIGNAL(stateChanged(int)), SLOT(slotStateChanged()));    return m_widget;}

/*!  /brief Update the entries for an item  /param itemInfo Info for an item  /param data List of legend entry attributes for the item */void QwtLegend::updateLegend( const QVariant &itemInfo,     const QList<QwtLegendData> &data ){    QList<QWidget *> widgetList = legendWidgets( itemInfo );    if ( widgetList.size() != data.size() )    {        QLayout *contentsLayout = d_data->view->contentsWidget->layout();        while ( widgetList.size() > data.size() )        {            QWidget *w = widgetList.takeLast();            contentsLayout->removeWidget( w );            // updates might be triggered by signals from the legend widget            // itself. So we better don't delete it here.            w->hide();            w->deleteLater();        }        for ( int i = widgetList.size(); i < data.size(); i++ )        {            QWidget *widget = createWidget( data[i] );            if ( contentsLayout )                contentsLayout->addWidget( widget );            if ( isVisible() )            {                // QLayout does a delayed show, with the effect, that                // the size hint will be wrong, when applications                // call replot() right after changing the list                // of plot items. So we better do the show now.                widget->setVisible( true );            }            widgetList += widget;        }        if ( widgetList.isEmpty() )        {            d_data->itemMap.remove( itemInfo );        }        else        {            d_data->itemMap.insert( itemInfo, widgetList );        }        updateTabOrder();    }        for ( int i = 0; i < data.size(); i++ )        updateWidget( widgetList[i], data[i] );}

FlyEmDataQueryDialog::FlyEmDataQueryDialog(QWidget *parent) :  QDialog(parent),  ui(new Ui::FlyEmDataQueryDialog){  ui->setupUi(this);  connect(ui->sourceComboBox, SIGNAL(currentIndexChanged(const QString&)),          this, SLOT(updateWidget(const QString&)));  updateWidget(ui->sourceComboBox->currentText());}

void FilesystemWidget::pathChanged() {    // Enable/disable go up button    if (dir.absolutePath() == QDir::rootPath()) {        goUpAction->setDisabled(true);        // If we are on a Mac, we should allow hidden files - GH-40        // fsWidgetModel->setFilter(QDir::AllDirs|QDir::Files|QDir::NoDotAndDotDot|QDir::Hidden);    }    else { goUpAction->setEnabled(true); }    updateWidget();}

void ArchiveAccountOptionsWidget::apply(){	if (FSaveRequests.isEmpty())	{		IArchiveStreamPrefs prefs = FArchiver->archivePrefs(FStreamJid);		prefs.methodLocal = ui.cmbMethodLocal->itemData(ui.cmbMethodLocal->currentIndex()).toString();		prefs.methodAuto = ui.cmbMethodAuto->itemData(ui.cmbMethodAuto->currentIndex()).toString();		prefs.methodManual = ui.cmbMethodManual->itemData(ui.cmbMethodManual->currentIndex()).toString();		prefs.defaultPrefs.otr = ui.cmbModeOTR->itemData(ui.cmbModeOTR->currentIndex()).toString();		prefs.defaultPrefs.save = ui.cmbModeSave->itemData(ui.cmbModeSave->currentIndex()).toString();		prefs.defaultPrefs.expire = ui.cmbExpireTime->itemData(ui.cmbExpireTime->currentIndex()).toInt();		foreach(const Jid &itemJid, FTableItems.keys())		{			QTableWidgetItem *jidItem = FTableItems.value(itemJid);			prefs.itemPrefs[itemJid].save = ui.tbwItemPrefs->item(jidItem->row(),COL_SAVE)->data(Qt::UserRole).toString();			prefs.itemPrefs[itemJid].otr = ui.tbwItemPrefs->item(jidItem->row(),COL_OTR)->data(Qt::UserRole).toString();			prefs.itemPrefs[itemJid].expire = ui.tbwItemPrefs->item(jidItem->row(),COL_EXPIRE)->data(Qt::UserRole).toInt();			prefs.itemPrefs[itemJid].exactmatch = ui.tbwItemPrefs->item(jidItem->row(),COL_EXACT)->data(Qt::UserRole).toBool();		}		foreach(const Jid &itemJid, prefs.itemPrefs.keys())		{			if (!FTableItems.contains(itemJid))			{				if (FArchiver->isSupported(FStreamJid,NS_ARCHIVE_PREF))				{					QString requestId = FArchiver->removeArchiveItemPrefs(FStreamJid,itemJid);					if (!requestId.isEmpty())						FSaveRequests.append(requestId);					prefs.itemPrefs.remove(itemJid);				}				else				{					prefs.itemPrefs[itemJid].otr = QString::null;					prefs.itemPrefs[itemJid].save = QString::null;				}			}		}		QString requestId = FArchiver->setArchivePrefs(FStreamJid,prefs);		if (!requestId.isEmpty())			FSaveRequests.append(requestId);		if (prefs.autoSave != ui.chbAutoSave->isChecked())		{			requestId = FArchiver->setArchiveAutoSave(FStreamJid,ui.chbAutoSave->isChecked());			if (!requestId.isEmpty())				FSaveRequests.append(requestId);		}		FLastError = XmppError::null;		updateWidget();	}

void HTMLPlugInImageElement::updateWidgetIfNecessary(){    document()->updateStyleIfNeeded();    if (!needsWidgetUpdate() || useFallbackContent() || isImageType())        return;    if (!renderEmbeddedObject() || renderEmbeddedObject()->pluginCrashedOrWasMissing())        return;    updateWidget(CreateOnlyNonNetscapePlugins);}

void HTMLPlugInImageElement::updateWidgetIfNecessary(){    document()->updateStyleIfNeeded();    if (!needsWidgetUpdate() || useFallbackContent() || isImageType())        return;    if (!renderEmbeddedObject() || renderEmbeddedObject()->showsUnavailablePluginIndicator())        return;    updateWidget(CreateOnlyNonNetscapePlugins);}

void FileDialog::setFilter(const QString& filter) {	StringList strs = StringUtil::tokenize(q2u(filter).c_str(), L'|');	m_filters.clear();	for (StringList::iterator it=strs.begin(); it!=strs.end(); ++it) {		m_filters.push_back(u2q(*it));	}	if (!m_filters.contains("*.*")) {		m_filters.push_back("*.*");	}	updateWidget();}

void LoginWidget::setCurrentUser(QString id){  if(idL.isEmpty()){ return; }    int index = idL.indexOf(id);  if(index == -1){    qDebug() << "LoginWidget: Item does not exist -" << id;  }else{    listUsers->setCurrentIndex(index);    listUserBig->setCurrentRow(index);    updateWidget();    emit UserChanged(id);  }}

void DataMediaWidget::onUrlLoaded(const QUrl &AUrl, const QByteArray &AData){    if (FUriIndex<FMedia.uris.count() && FMedia.uris.at(FUriIndex).url == AUrl)    {        const IDataMediaURI &uri = FMedia.uris.at(FUriIndex);        if (!updateWidget(uri, AData))        {            FUriIndex++;            FLastError = XmppError(IERR_DATAFORMS_MEDIA_INVALID_FORMAT);            loadUri();        }    }}

/*! /brief Constructor * * set up the widget, start timer. */CallWidget::CallWidget(UserInfo *ui, const QString &channelme,                       const QString &status, uint ts,                       const QString &channelpeer, const QString & callerid,                       const QString &calleridname, QWidget *parent,                       const PhoneInfo *_pi)    : QWidget(parent), m_square(16,16), m_parkedCall(false){    // qDebug() << Q_FUNC_INFO << channelme;    m_ui = ui;    pi = _pi;    QGridLayout * gridlayout = new QGridLayout(this);    m_channelme = channelme;    m_channelpeer = channelpeer;    gridlayout->setColumnStretch(3, 1);    m_lbl_status = new QLabel(this);    gridlayout->addWidget(m_lbl_status, 0, 0);    m_lbl_time = new QLabel(this);    m_lbl_time->setFont(QFont("", 8, QFont::Bold));    m_startTime = QDateTime::fromTime_t(ts);    startTimer(1000);    gridlayout->addWidget(m_lbl_time, 1, 0, 1, 3);    m_lbl_direction = new QLabel(this);    gridlayout->addWidget(m_lbl_direction, 0, 1);    m_lbl_exten = new QLabel(this);    m_lbl_exten->setFont(QFont("courier", 10, QFont::Light));    gridlayout->addWidget(m_lbl_exten, 0, 2);    //updateWidget(status, ts, "cpeer", callerid, calleridname);    updateWidget(status, ts, channelpeer, callerid, calleridname, pi);    m_hangUpAction = new QAction(tr("&Hangup"), this);    m_hangUpAction->setStatusTip(tr("Hang up/Close the channel"));    connect(m_hangUpAction, SIGNAL(triggered()),             this, SLOT(hangUp()));    m_transferToNumberAction = new QAction(tr("&Transfer to number"), this);    m_transferToNumberAction->setStatusTip(tr("Transfer the channel to the dialed number") );    connect(m_transferToNumberAction, SIGNAL(triggered()),             this, SLOT(transferToNumber()));    m_parkCall = new QAction(tr("&Park the call"), this);    m_parkCall->setStatusTip(tr("Park this call") );    connect(m_parkCall, SIGNAL(triggered()),             this, SLOT(parkCall()));}