自学教程：C++ toggled函数代码示例

void QToggleSwitch::toggle(){    extern int currentValue;    if (this->value() == 1)    {        this->setSliderPosition(0);        currentValue = 0;        this->setValue(0);        emit toggled();        emit switchedOff();    }    else    {        this->setSliderPosition(1);        currentValue = 1;        this->setValue(1);        emit toggled();        emit switchedOn();    }}

void toToggleButton::toggle(){    int idx = ++m_idx < m_enum.keyCount() ? m_idx : m_idx=0;    setText(m_enum.key(idx));    emit toggled(text());    emit toggled(m_enum.value(idx));}

TableEditor::TableEditor(QWidget *parent): Editor(parent){    QVBoxLayout *layout = new QVBoxLayout(this);    setLayout(layout);    // toolbar    _toolbar = new QWidget(this);    layout->addWidget(_toolbar);    _ui_toolbar = new Ui::TableEditorToolbar;    _ui_toolbar->setupUi(_toolbar);    _ui_toolbar->firstPageButton->setIcon(QIcon(IconLoader::getIconIdentifier(":/drawable/actions/allLeft")));    _ui_toolbar->previousPageButton->setIcon(QIcon(IconLoader::getIconIdentifier(":/drawable/actions/left")));    _ui_toolbar->nextPageButton->setIcon(QIcon(IconLoader::getIconIdentifier(":/drawable/actions/right")));    _ui_toolbar->lastPageButton->setIcon(QIcon(IconLoader::getIconIdentifier(":/drawable/actions/allRight")));    _ui_toolbar->refreshButton->setIcon(QIcon(IconLoader::getIconIdentifier(":/drawable/actions/refresh")));    _ui_toolbar->addRowButton->setIcon(QIcon(IconLoader::getIconIdentifier(":/drawable/general/add")));    _ui_toolbar->deleteRowButton->setIcon(QIcon(IconLoader::getIconIdentifier(":/drawable/general/remove")));    _ui_toolbar->commitButton->setIcon(QIcon(IconLoader::getIconIdentifier(":/drawable/actions/checked")));    _ui_toolbar->rollbackButton->setIcon(QIcon(IconLoader::getIconIdentifier(":/drawable/actions/rollback")));    _ui_toolbar->dumpDataButton->setIcon(QIcon(IconLoader::getIconIdentifier(":/drawable/actions/export")));    _tableView = new QTableView(this);    _tableModel = new QSqlTableModel(_tableView /* TODO database connection */);    _tableView->setModel(_tableModel);    layout->addWidget(_tableView);    // connections    connect(_ui_toolbar->commitButton, SIGNAL(clicked()), _tableModel, SLOT(submitAll()));    connect(_ui_toolbar->rollbackButton, SIGNAL(clicked()), _tableModel, SLOT(revertAll()));    connect(_ui_toolbar->addRowButton, SIGNAL(clicked()), this, SLOT(addRow()));    connect(_ui_toolbar->deleteRowButton, SIGNAL(clicked()), this, SLOT(deleteRows()));    connect(_ui_toolbar->refreshButton, SIGNAL(clicked()), _tableModel, SLOT(select()));    connect(_ui_toolbar->toolButtonExportImage, SIGNAL(clicked()),_imageView, SLOT(exportImage()));    connect(_ui_toolbar->toolButtonZoomIn, SIGNAL(clicked()),_imageView,SLOT(zoomIn()));    connect(_ui_toolbar->toolButtonZoomOut, SIGNAL(clicked()),_imageView, SLOT(zoomOut()));    connect(_ui_toolbar->toolButtonFitToScreen, SIGNAL(clicked()),_imageView, SLOT(fitToScreen()));    connect(_ui_toolbar->toolButtonOriginalSize, SIGNAL(clicked()),_imageView, SLOT(resetToOriginalSize()));    connect(_ui_toolbar->toolButtonBackground, SIGNAL(toggled()),_imageView, SLOT(setViewBackground()));    connect(_ui_toolbar->toolButtonOutline, SIGNAL(toggled()),_imageView, SLOT(setViewOutline()));    connect(_ui_toolbar->toolButtonPlayPause, SIGNAL(clicked()),this, SLOT(playToggled()));    connect(_file, SIGNAL(imageSizeChanged()),this, SLOT(imageSizeUpdated()));    connect(_file, SIGNAL(openFinished()),_imageView, SLOT(createScene()));    connect(_file, SIGNAL(openFinished()),this, SLOT(updateToolButtons()));    connect(_file, SIGNAL(aboutToReload()),_imageView, SLOT(reset()));    connect(_file, SIGNAL(reloadFinished()),_imageView, SLOT(createScene()));    connect(_file, SIGNAL(isPausedChanged()),this, SLOT(updatePauseAction()));    connect(_imageView, SIGNAL(scaleFactorChanged()),this, SLOT(scaleFactorUpdate()));}

void KXKBApp::initTray(){    if(!m_tray)    {        KSystemTray *sysTray = new KxkbSystemTray();        KPopupMenu *popupMenu = sysTray->contextMenu();        //	popupMenu->insertTitle( kapp->miniIcon(), kapp->caption() );        m_tray = new KxkbLabelController(sysTray, popupMenu);        connect(popupMenu, SIGNAL(activated(int)), this, SLOT(menuActivated(int)));        connect(sysTray, SIGNAL(toggled()), this, SLOT(toggled()));    }

static voidtoggle_tracing(toggle_index_t ix _is_unused, enum toggle_type tt){    /* If turning on trace and no trace file, open one. */    if (toggled(TRACING) && tracef == NULL) {	tracefile_on(TRACING, tt);	if (tracef == NULL) {	    set_toggle(TRACING, false);	}    } else if (!toggled(TRACING)) {	/* If turning off trace and not still tracing events, close the	   trace file. */	tracefile_off();    }}

void ExtenderButton::toggle(){    if (!d->checkable) return;    d->checked = !d->checked;    update();    emit toggled(d->checked);}

static voidcb_toggled_case_sensitive (GtkCellRendererToggle *cell,			   const gchar           *path_string,			   SortFlowState *state){	toggled (state, path_string, ITEM_CASE_SENSITIVE);}

/* We are currently not supporting `by-value' vs not. */static voidcb_toggled_sort_by_value (GtkCellRendererToggle *cell,			  const gchar *path_string,			  SortFlowState *state){	toggled (state, path_string, ITEM_SORT_BY_VALUE);}

void TPanelTitleBarButtonForSafeArea::mousePressEvent(QMouseEvent *e) {  if (e->button() != Qt::RightButton) {    m_pressed = !m_pressed;    emit toggled(m_pressed);    update();  }}

void StickyQButton::onPushToggle(bool checked){	emit toggled(checked);	if(!checked) {		ui->lockButton->setChecked(false);	}}

void ConfigCheckBox::loadConfiguration(){	if (!dataManager)		return;	setChecked(dataManager->readEntry(section, item).toBool());	emit toggled(isChecked());}

void KPageWidgetItem::setChecked(bool checked){    d->checked = checked;    emit toggled(checked);    emit changed();}

voidhold(Button *button, struct counter_data *data){  if(button->time_closed % 250 == 0) {    toggled(button, data);  }}

bool QgsLayoutAtlas::readXml( const QDomElement &atlasElem, const QDomDocument &, const QgsReadWriteContext & ){  mEnabled = atlasElem.attribute( QStringLiteral( "enabled" ), QStringLiteral( "0" ) ).toInt();  // look for stored layer name  QString layerId = atlasElem.attribute( QStringLiteral( "coverageLayer" ) );  QString layerName = atlasElem.attribute( QStringLiteral( "coverageLayerName" ) );  QString layerSource = atlasElem.attribute( QStringLiteral( "coverageLayerSource" ) );  QString layerProvider = atlasElem.attribute( QStringLiteral( "coverageLayerProvider" ) );  mCoverageLayer = QgsVectorLayerRef( layerId, layerName, layerSource, layerProvider );  mCoverageLayer.resolveWeakly( mLayout->project() );  mLayout->reportContext().setLayer( mCoverageLayer.get() );  mPageNameExpression = atlasElem.attribute( QStringLiteral( "pageNameExpression" ), QString() );  QString error;  setFilenameExpression( atlasElem.attribute( QStringLiteral( "filenamePattern" ), QString() ), error );  mSortFeatures = atlasElem.attribute( QStringLiteral( "sortFeatures" ), QStringLiteral( "0" ) ).toInt();  mSortExpression = atlasElem.attribute( QStringLiteral( "sortKey" ) );  mSortAscending = atlasElem.attribute( QStringLiteral( "sortAscending" ), QStringLiteral( "1" ) ).toInt();  mFilterFeatures = atlasElem.attribute( QStringLiteral( "filterFeatures" ), QStringLiteral( "0" ) ).toInt();  mFilterExpression = atlasElem.attribute( QStringLiteral( "featureFilter" ) );  mHideCoverage = atlasElem.attribute( QStringLiteral( "hideCoverage" ), QStringLiteral( "0" ) ).toInt();  emit toggled( mEnabled );  emit changed();  return true;}

void MButton::setChecked(bool buttonChecked){    // FIXME: these checks could be done in model side, the group needs moved to model first    if (isCheckable() && buttonChecked != isChecked()) {        /* The active button in an exclusive group cannot be deselected */        if (group() && group()->exclusive() && group()->checkedButton() == this) {            return;        }        //TODO This is here just because of the delayed model initialization, this        //     call should be removed when the delayed model initialization bug/feature        //     is properly fixed.        //        //     The bug causes invalid functionaliy for buttons inside a buttongroup,        //     if state of a button(s) is changed before messageloop is run first        //     time. The updateData() slot does does not get called and toggled        //     signal is not emitted. Exclusive buttongroup uses the toggled signal        //     to uncheck buttons.        bool shouldEmit = (model()->checked() != buttonChecked);        toggleEmitted = false;        model()->setChecked(buttonChecked);        //TODO Remove this when delayed model initialization bug is properly fixed.        if (shouldEmit && !toggleEmitted)            emit toggled(model()->checked());    }}

void CheckableHeader::mousePressEvent(QMouseEvent *event){    if (!m_visible) {        return;    }    const QStyle *style = QApplication::style();    QStyleOptionButton option;    option.rect.setSize(sizeHint());    option.rect.setWidth(viewport()->width());    QRect rect = style->subElementRect(QStyle::SE_CheckBoxIndicator, &option);    QPoint pos = mapFromGlobal(QCursor::pos());//     kDebug() << rect << pos;    if (insideCheckBox(rect, pos)) {        if (m_state == Qt::Checked) {            m_state = Qt::Unchecked;        } else {            m_state = Qt::Checked;        }        emit toggled(m_state);        headerDataChanged(Qt::Horizontal, 0, 0);    } else {        QHeaderView::mousePressEvent(event);    }}

void LinkLabel::mouseReleaseEvent(QMouseEvent* event){    if((event->button() == Qt::LeftButton) && (isEnabled())) {        if(isCheckable()) {            if(isText()) {                if(_down)                    setStyleSheet("QLabel { color : blue; }");            } else {                if(_down)                    setPixmap(_upImg);            }            _down = !_down;            emit toggled(_down);        } else {            if(isText())                setStyleSheet("QLabel { color : blue; }");            else                setPixmap(_upImg);            _down = false;            emit clicked();            emit clicked(this);        }    }    if (!_hyperlink) setStyleSheet("");    QLabel::mouseReleaseEvent(event);}

void CheckListBoxTestCase::Check(){    EventCounter toggled(m_check, wxEVT_COMMAND_CHECKLISTBOX_TOGGLED);    wxArrayString testitems;    testitems.Add("item 0");    testitems.Add("item 1");    testitems.Add("item 2");    testitems.Add("item 3");    m_check->Append(testitems);    m_check->Check(0);    m_check->Check(1);    m_check->Check(1, false);    //We should not get any events when changing this from code    CPPUNIT_ASSERT_EQUAL(0, toggled.GetCount());    CPPUNIT_ASSERT_EQUAL(true, m_check->IsChecked(0));    CPPUNIT_ASSERT_EQUAL(false, m_check->IsChecked(1));    //Make sure a double check of an items doesn't deselect it    m_check->Check(0);    CPPUNIT_ASSERT_EQUAL(true, m_check->IsChecked(0));}

bool CheckboxDelegate::editorEvent(QEvent* event, QAbstractItemModel* model, const QStyleOptionViewItem& option,                                   const QModelIndex& index){    bool value = index.data(Qt::EditRole).toBool();    if (event->type() == QEvent::MouseButtonRelease) {        const int textMargin = QApplication::style()->pixelMetric(QStyle::PM_FocusFrameHMargin) + 1;        QRect checkRect = QStyle::alignedRect(option.direction, Qt::AlignCenter,                                              option.decorationSize,                                              QRect(option.rect.x() + (2 * textMargin), option.rect.y(),                                                      option.rect.width() - (2 * textMargin),                                                      option.rect.height()));        if (!checkRect.contains(static_cast<QMouseEvent*>(event)->pos()))            return false;    } else if (event->type() == QEvent::KeyPress) {        if (static_cast<QKeyEvent*>(event)->key() != Qt::Key_Space && static_cast<QKeyEvent*>(event)->key() != Qt::Key_Select)            return false;    } else {        return false;    }    value = !value;    emit toggled(value, index.column());    return model->setData(index, value, Qt::EditRole);}

void AbstractButtonItem::setChecked(bool checked){  m_checked = checked;  update();  emit toggled(m_checked);}

/* Called from NVT emulation code to log a single character. */voidtrace_char(char c){    if (!toggled(SCREEN_TRACE) || !screentracef) {	return;    }    (void) fputc(c, screentracef);}

void GroupBoxWidget::setChecked(bool checked){    if (!m_checkable || m_checked == checked)        return;    m_checked = checked;    emit toggled(checked);    updateDesign();}

void ConfigRadioButton::loadConfiguration(){    if (section.isEmpty())        return;    setChecked(dataManager->readEntry(section, item).toBool());    emit toggled(isChecked());}

ActionForward::~ActionForward(){    if (m_front && m_back)    {        disconnect(m_front, SIGNAL(triggered()), m_back, SLOT(trigger()));        disconnect(m_front, SIGNAL(toggled()), m_back, SLOT(toggle()));    }}

/*! * /brief Sets the state of the diode. */void HacLed::setChecked(bool checked){    if (d->checked == checked)		return;    d->checked = checked;    emit toggled(checked);    update();}

void LangBarButton::setToggled(bool toggle) {	if(toggled() != toggle) {		if(toggle)			status_ |= TF_LBI_STATUS_BTN_TOGGLED;		else			status_ &= ~TF_LBI_STATUS_BTN_TOGGLED;		update(TF_LBI_STATUS);	}}

void QQuickAction::setChecked(bool c){    if (c == m_checked)        return;    m_checked = c;    // Its value shows as false while checkable is false. See also comment in setCheckable().    if (m_checkable)        emit toggled(m_checked);}