C++ FormWindow::repaintSelection方法代码示例

void FormWindowManager::setActiveFormWindow(QDesignerFormWindowInterface *w)
{
    FormWindow *formWindow = qobject_cast<FormWindow*>(w);

    if (formWindow == m_activeFormWindow)
        return;

    FormWindow *old = m_activeFormWindow;

    m_activeFormWindow = formWindow;

    QtResourceSet *resourceSet = 0;
    if (formWindow)
        resourceSet = formWindow->resourceSet();
    m_core->resourceModel()->setCurrentResourceSet(resourceSet);

    slotUpdateActions();

    if (m_activeFormWindow) {
        m_activeFormWindow->repaintSelection();
        if (old)
            old->repaintSelection();
    }

    emit activeFormWindowChanged(m_activeFormWindow);

    if (m_activeFormWindow) {
        m_activeFormWindow->emitSelectionChanged();
        m_activeFormWindow->commandHistory()->setActive();
        // Trigger setActiveSubWindow on mdi area unless we are in toplevel mode
        QMdiSubWindow *mdiSubWindow = 0;
        if (QWidget *formwindow = m_activeFormWindow->parentWidget()) {
            mdiSubWindow = qobject_cast<QMdiSubWindow *>(formwindow->parentWidget());
        }
        if (mdiSubWindow) {
            for (QWidget *parent = mdiSubWindow->parentWidget(); parent; parent = parent->parentWidget()) {
                if (QMdiArea *mdiArea = qobject_cast<QMdiArea*>(parent)) {
                    mdiArea->setActiveSubWindow(mdiSubWindow);
                    break;
                }
            }
        }
    }
}

bool FormWindowManager::eventFilter(QObject *o, QEvent *e)
{
    if (!o->isWidgetType())
        return false;

    // If we don't have an active form, we only listen for WindowActivate to speed up integrations
    const QEvent::Type eventType = e->type();
    if (m_activeFormWindow == 0 && eventType != QEvent::WindowActivate)
        return false;

    switch (eventType) { // Uninteresting events
    case QEvent::Create:
    case QEvent::Destroy:
    case QEvent::ActionAdded:
    case QEvent::ActionChanged:
    case QEvent::ActionRemoved:
    case QEvent::ChildAdded:
    case QEvent::ChildPolished:
    case QEvent::ChildRemoved:
#ifndef QT_NO_CLIPBOARD
    case QEvent::Clipboard:
#endif
    case QEvent::ContentsRectChange:
    case QEvent::DeferredDelete:
    case QEvent::FileOpen:
    case QEvent::LanguageChange:
    case QEvent::MetaCall:
    case QEvent::ModifiedChange:
    case QEvent::Paint:
    case QEvent::PaletteChange:
    case QEvent::ParentAboutToChange:
    case QEvent::ParentChange:
    case QEvent::Polish:
    case QEvent::PolishRequest:
    case QEvent::QueryWhatsThis:
    case QEvent::StatusTip:
    case QEvent::StyleChange:
    case QEvent::Timer:
    case QEvent::ToolBarChange:
    case QEvent::ToolTip:
    case QEvent::WhatsThis:
    case QEvent::WhatsThisClicked:
    case QEvent::WinIdChange:
    case QEvent::DynamicPropertyChange:
    case QEvent::HoverEnter:
    case QEvent::HoverLeave:
    case QEvent::HoverMove:
    case QEvent::AcceptDropsChange:
        return false;
    default:
        break;
    }

    QWidget *widget = static_cast<QWidget*>(o);

    if (qobject_cast<WidgetHandle*>(widget)) { // ### remove me
        return false;
    }

    FormWindow *fw = FormWindow::findFormWindow(widget);
    if (fw == 0) {
        return false;
    }

    if (QWidget *managedWidget = findManagedWidget(fw, widget)) {
        // Prevent MDI subwindows from being closed by clicking at the title bar
        if (managedWidget != widget && eventType == QEvent::Close) {
            e->ignore();
            return true;
        }
        switch (eventType) {

        case QEvent::WindowActivate: {
            if (fw->parentWidget()->isWindow() && fw->isMainContainer(managedWidget) && activeFormWindow() != fw) {
                setActiveFormWindow(fw);
            }
        } break;

        case QEvent::WindowDeactivate: {
            if (o == fw && o == activeFormWindow())
                fw->repaintSelection();
        } break;

        case QEvent::KeyPress: {
            QKeyEvent *ke = static_cast<QKeyEvent*>(e);
            if (ke->key() == Qt::Key_Escape) {
                ke->accept();
                return true;
            }
        }
        // don't break...
        // Embedded Design: Drop on different form: Make sure the right form
        // window/device is active before having the widget created by the factory
        case QEvent::Drop:
            if (activeFormWindow() != fw)
                setActiveFormWindow(fw);
        // don't break...
        default: {
            if (fw->handleEvent(widget, managedWidget, e)) {
                return true;
//.........这里部分代码省略.........