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

bool QDesignerFormWindowCommand::hasLayout(QWidget *widget) const
{
    QDesignerFormEditorInterface *core = formWindow()->core();
    if (widget && LayoutInfo::layoutType(core, widget) != LayoutInfo::NoLayout) {
        const QDesignerMetaDataBaseItemInterface *item = core->metaDataBase()->item(widget);
        return item != 0;
    }

    return false;
}

void ButtonGroupCommand::createButtonGroup()
{
    if (debugButtonMenu)
        qDebug() << "Creating " <<  m_buttonGroup << " from " <<  m_buttonList;

    QDesignerFormWindowInterface *fw = formWindow();
    QDesignerFormEditorInterface *core = fw->core();
    core->metaDataBase()->add(m_buttonGroup);
    addButtonsToGroup();
    // Make button group visible
    core->objectInspector()->setFormWindow(fw);
}

void TabOrderEditor::initTabOrder()
{
    m_tab_order_list.clear();

    QDesignerFormEditorInterface *core = formWindow()->core();

    if (const QDesignerMetaDataBaseItemInterface *item = core->metaDataBase()->item(formWindow())) {
        m_tab_order_list = item->tabOrder();
    }

    // Remove any widgets that have been removed form the form
    for (int i = 0; i < m_tab_order_list.size(); ) {
        QWidget *w = m_tab_order_list.at(i);
        if (!formWindow()->mainContainer()->isAncestorOf(w) || skipWidget(w))
            m_tab_order_list.removeAt(i);
        else
            ++i;
    }

    // Append any widgets that are in the form but are not in the tab order
    QDesignerFormWindowCursorInterface *cursor = formWindow()->cursor();
    for (int i = 0; i < cursor->widgetCount(); ++i) {

        QWidget *widget = cursor->widget(i);
        if (skipWidget(widget))
            continue;

        if (!m_tab_order_list.contains(widget))
            m_tab_order_list.append(widget);
    }

    m_indicator_region = QRegion();
    for (int i = 0; i < m_tab_order_list.size(); ++i) {
        if (m_tab_order_list.at(i)->isVisible())
            m_indicator_region |= indicatorRect(i);
    }

    if (m_current_index >= m_tab_order_list.size())
        m_current_index = m_tab_order_list.size() - 1;
    if (m_current_index < 0)
        m_current_index = 0;
}

void ButtonGroupCommand::breakButtonGroup()
{
    if (debugButtonMenu)
        qDebug() << "Removing " <<  m_buttonGroup << " consisting of " <<  m_buttonList;

    QDesignerFormWindowInterface *fw = formWindow();
    QDesignerFormEditorInterface *core = fw->core();
    // Button group was selected, that is, break was invoked via its context menu. Remove it from property editor, select the buttons
    if (core->propertyEditor()->object() == m_buttonGroup) {
        fw->clearSelection(false);
        const ButtonList::const_iterator cend = m_buttonList.constEnd();
        for (ButtonList::const_iterator it = m_buttonList.constBegin(); it != cend; ++it)
            fw->selectWidget(*it, true);
    }
    // Now remove and refresh object inspector
    removeButtonsFromGroup();
    // Notify components (for example, signal slot editor)
    if (qdesigner_internal::FormWindowBase *fwb = qobject_cast<qdesigner_internal::FormWindowBase *>(fw))
        fwb->emitObjectRemoved(m_buttonGroup);
    core->metaDataBase()->remove(m_buttonGroup);
    core->objectInspector()->setFormWindow(fw);
}

bool DsgnOfficeStyleWidget::event(QEvent* event)
{
    bool res = QWidget::event(event);
    if (event->type() == QEvent::ParentChange)
    {
        if (DsgnOfficeStyle* desStyle = dynamic_cast<DsgnOfficeStyle *>(m_targetStyle))
            desStyle->setParentStyle(parentWidget());
    }
    else if (event->type() == QEvent::Hide && isHidden())
    {
        QDesignerFormWindowInterface* formWindow = QDesignerFormWindowInterface::findFormWindow(parentWidget());
        QDesignerFormEditorInterface* core = formWindow->core();
        QDesignerContainerExtension* container = qt_extension<QDesignerContainerExtension*>(core->extensionManager(), formWindow->mainContainer());

        if (container->widget(container->count() - 1) == this)
        {
            container->remove(container->count() - 1);
            core->metaDataBase()->remove(this);
            formWindow->emitSelectionChanged();
        }
    }
    return res;
}