C++ QDesignerFormEditorInterface::widgetDataBase方法代码示例

void WidgetBoxCategoryModel::addWidget(const QDesignerWidgetBoxInterface::Widget &widget, const QIcon &icon,bool editable)
{
    // build item. Filter on name + class name if it is different and not a layout.
    QString filter = widget.name();
    if (!filter.contains(QLatin1String("Layout")) && m_classNameRegExp.indexIn(widget.domXml()) != -1) {
        const QString className = m_classNameRegExp.cap(1);
        if (!filter.contains(className))
            filter += className;
    }
    WidgetBoxCategoryEntry item(widget, filter, icon, editable);
    const QDesignerWidgetDataBaseInterface *db = m_core->widgetDataBase();
    const int dbIndex = db->indexOfClassName(widget.name());
    if (dbIndex != -1) {
        const QDesignerWidgetDataBaseItemInterface *dbItem = db->item(dbIndex);
        const QString toolTip = dbItem->toolTip();
        if (!toolTip.isEmpty())
            item.toolTip = toolTip;
        const QString whatsThis = dbItem->whatsThis();
        if (!whatsThis.isEmpty())
            item.whatsThis = whatsThis;
    }
    // insert
    const int row = m_items.size();
    beginInsertRows(QModelIndex(), row, row);
    m_items.push_back(item);
    endInsertRows();
}

PromotionTaskMenu::PromotionState  PromotionTaskMenu::createPromotionActions(QDesignerFormWindowInterface *formWindow)
{
    // clear out old
    if (!m_promotionActions.empty()) {
        qDeleteAll(m_promotionActions);
        m_promotionActions.clear();
    }
    // No promotion of main container
    if (formWindow->mainContainer() == m_widget)
        return NotApplicable;

    // Check for a homogenous selection
    const PromotionSelectionList promotionSelection = promotionSelectionList(formWindow);

    if (promotionSelection.empty())
        return NoHomogenousSelection;

    QDesignerFormEditorInterface *core = formWindow->core();
    // if it is promoted: demote only.
    if (isPromoted(formWindow->core(), m_widget)) {
        const QString label = m_demoteLabel.arg( promotedExtends(core , m_widget));
        QAction *demoteAction = new QAction(label, this);
        connect(demoteAction, SIGNAL(triggered()), this, SLOT(slotDemoteFromCustomWidget()));
        m_promotionActions.push_back(demoteAction);
        return CanDemote;
    }
    // figure out candidates
    const QString baseClassName = WidgetFactory::classNameOf(core,  m_widget);
    const WidgetDataBaseItemList candidates = promotionCandidates(core->widgetDataBase(), baseClassName );
    if (candidates.empty()) {
        // Is this thing promotable at all?
        return QDesignerPromotionDialog::baseClassNames(core->promotion()).contains(baseClassName) ?  CanPromote : NotApplicable;
    }
    // Set up a signal mapper to associate class names
    if (!m_promotionMapper) {
        m_promotionMapper = new QSignalMapper(this);
        connect(m_promotionMapper, SIGNAL(mapped(QString)), this, SLOT(slotPromoteToCustomWidget(QString)));
    }

    QMenu *candidatesMenu = new QMenu();
    // Create a sub menu
    const WidgetDataBaseItemList::const_iterator cend = candidates.constEnd();
    // Set up actions and map class names
    for (WidgetDataBaseItemList::const_iterator it = candidates.constBegin(); it != cend; ++it) {
        const QString customClassName = (*it)->name();
        QAction *action = new QAction((*it)->name(), this);
        connect(action, SIGNAL(triggered()), m_promotionMapper, SLOT(map()));
        m_promotionMapper->setMapping(action, customClassName);
        candidatesMenu->addAction(action);
    }
    // Sub menu action
    QAction *subMenuAction = new QAction(m_promoteLabel, this);
    subMenuAction->setMenu(candidatesMenu);
    m_promotionActions.push_back(subMenuAction);
    return CanPromote;
}

void QDesignerIntegrationPrivate::initialize()
{
    typedef void (QDesignerIntegration::*QDesignerIntegrationUpdatePropertySlot3)(const QString &, const QVariant &, bool);

    //
    // integrate the `Form Editor component'
    //

    // Extensions
    QDesignerFormEditorInterface *core = q->core();
    if (QDesignerPropertyEditor *designerPropertyEditor= qobject_cast<QDesignerPropertyEditor *>(core->propertyEditor())) {
        QObject::connect(designerPropertyEditor, &QDesignerPropertyEditor::propertyValueChanged,
                         q, static_cast<QDesignerIntegrationUpdatePropertySlot3>(&QDesignerIntegration::updateProperty));
        QObject::connect(designerPropertyEditor, &QDesignerPropertyEditor::resetProperty,
                         q, &QDesignerIntegration::resetProperty);
        QObject::connect(designerPropertyEditor, &QDesignerPropertyEditor::addDynamicProperty,
                q, &QDesignerIntegration::addDynamicProperty);
        QObject::connect(designerPropertyEditor, &QDesignerPropertyEditor::removeDynamicProperty,
                q, &QDesignerIntegration::removeDynamicProperty);
    } else {
        QObject::connect(core->propertyEditor(), SIGNAL(propertyChanged(QString,QVariant)),
                q, SLOT(updatePropertyPrivate(QString,QVariant))); // ### fixme: VS Integration leftover?
    }

    QObject::connect(core->formWindowManager(), &QDesignerFormWindowManagerInterface::formWindowAdded,
            q, &QDesignerIntegrationInterface::setupFormWindow);

    QObject::connect(core->formWindowManager(), &QDesignerFormWindowManagerInterface::activeFormWindowChanged,
            q, &QDesignerIntegrationInterface::updateActiveFormWindow);

    m_gradientManager = new QtGradientManager(q);
    core->setGradientManager(m_gradientManager);

    QString designerFolder = QDir::homePath();
    designerFolder += QDir::separator();
    designerFolder += QStringLiteral(".designer");
    m_gradientsPath = designerFolder;
    m_gradientsPath += QDir::separator();
    m_gradientsPath += QStringLiteral("gradients.xml");

    QFile f(m_gradientsPath);
    if (f.open(QIODevice::ReadOnly)) {
        QtGradientUtils::restoreState(m_gradientManager, QString::fromLatin1(f.readAll()));
        f.close();
    } else {
        QFile defaultGradients(QStringLiteral(":/qt-project.org/designer/defaultgradients.xml"));
        if (defaultGradients.open(QIODevice::ReadOnly)) {
            QtGradientUtils::restoreState(m_gradientManager, QString::fromLatin1(defaultGradients.readAll()));
            defaultGradients.close();
        }
    }

    if (WidgetDataBase *widgetDataBase = qobject_cast<WidgetDataBase*>(core->widgetDataBase()))
        widgetDataBase->grabStandardWidgetBoxIcons();
}