abstractformbuilder.cpp

qt-x11-opensource-src-4.1.4.tar.gz源码

    }

    foreach (DomActionRef *ui_action_ref, ui_widget->elementAddAction()) {
        QString name = ui_action_ref->attributeName();
        if (name == QLatin1String("separator")) {
            QAction *sep = new QAction(w);
            sep->setSeparator(true);
            w->addAction(sep);
            addMenuAction(sep);
        } else if (QAction *a = m_actions.value(name)) {
            w->addAction(a);
        } else if (QActionGroup *g = m_actionGroups.value(name)) {
            w->addActions(g->actions());
        } else if (QMenu *menu = qFindChild<QMenu*>(w, name)) {
            w->addAction(menu->menuAction());
            addMenuAction(menu->menuAction());
        }
    }

    loadExtraInfo(ui_widget, w, parentWidget);
    addItem(ui_widget, w, parentWidget);

    if (qobject_cast<QDialog *>(w) && parentWidget)
        w->setAttribute(Qt::WA_Moved, false); // So that QDialog::setVisible(true) will center it

    return w;
}

/*!
    \internal
*/
QAction *QAbstractFormBuilder::create(DomAction *ui_action, QObject *parent)
{
    QAction *a = createAction(parent, ui_action->attributeName());
    if (!a)
        return 0;

    applyProperties(a, ui_action->elementProperty());
    return a;
}

/*!
    \internal
*/
QActionGroup *QAbstractFormBuilder::create(DomActionGroup *ui_action_group, QObject *parent)
{
    QActionGroup *a = createActionGroup(parent, ui_action_group->attributeName());
    if (!a)
        return 0;

    applyProperties(a, ui_action_group->elementProperty());

    foreach (DomAction *ui_action, ui_action_group->elementAction()) {
        QAction *child_action = create(ui_action, a);
        Q_UNUSED( child_action );
    }

    foreach (DomActionGroup *g, ui_action_group->elementActionGroup()) {
        QActionGroup *child_action_group = create(g, parent);
        Q_UNUSED( child_action_group );
    }

    return a;
}

/*!
    \internal
*/
bool QAbstractFormBuilder::addItem(DomWidget *ui_widget, QWidget *widget, QWidget *parentWidget)
{
    QHash<QString, DomProperty*> attributes = propertyMap(ui_widget->elementAttribute());

    QString title = QLatin1String("Page");
    if (DomProperty *ptitle = attributes.value(QLatin1String("title"))) {
        title = toString(ptitle->elementString());
    }

    QString label = QLatin1String(QLatin1String("Page"));
    if (DomProperty *plabel = attributes.value(QLatin1String("label"))) {
        label = toString(plabel->elementString());
    }

    if (QMainWindow *mw = qobject_cast<QMainWindow*>(parentWidget)) {

        // the menubar
        if (QMenuBar *menuBar = qobject_cast<QMenuBar*>(widget)) {
            mw->setMenuBar(menuBar);
            return true;
        }

        // apply the toolbar's attributes
        else if (QToolBar *toolBar = qobject_cast<QToolBar*>(widget)) {
            if (DomProperty *attr = attributes.value(QLatin1String("toolBarArea"))) {
                Qt::ToolBarArea area = static_cast<Qt::ToolBarArea>(attr->elementNumber());
                mw->addToolBar(area, toolBar);
            } else {
                mw->addToolBar(toolBar);
            }
            return true;
        }

        // statusBar
        else if (QStatusBar *statusBar = qobject_cast<QStatusBar*>(widget)) {
            mw->setStatusBar(statusBar);
            return true;
        }

        // apply the dockwidget's attributes
        else if (QDockWidget *dockWidget = qobject_cast<QDockWidget*>(widget)) {
            if (DomProperty *attr = attributes.value(QLatin1String("dockWidgetArea"))) {
                Qt::DockWidgetArea area = static_cast<Qt::DockWidgetArea>(attr->elementNumber());
                mw->addDockWidget(area, dockWidget);
            } else {
                mw->addDockWidget(Qt::LeftDockWidgetArea, dockWidget);
            }
            return true;
        }

        else if (! mw->centralWidget()) {
            mw->setCentralWidget(widget);
            return true;
        }
    }

    else if (QTabWidget *tabWidget = qobject_cast<QTabWidget*>(parentWidget)) {
        widget->setParent(0);

        int tabIndex = tabWidget->count();
        tabWidget->addTab(widget, title);

        if (DomProperty *picon = attributes.value(QLatin1String("icon"))) {
            tabWidget->setTabIcon(tabIndex, qvariant_cast<QIcon>(toVariant(0, picon)));
        }

        if (DomProperty *ptoolTip = attributes.value(QLatin1String("toolTip"))) {
            tabWidget->setTabToolTip(tabIndex, toString(ptoolTip->elementString()));
        }

        return true;
    }

    else if (QToolBox *toolBox = qobject_cast<QToolBox*>(parentWidget)) {
        int tabIndex = toolBox->count();
        toolBox->addItem(widget, label);

        if (DomProperty *picon = attributes.value(QLatin1String("icon"))) {
            toolBox->setItemIcon(tabIndex, qvariant_cast<QIcon>(toVariant(0, picon)));
        }

        if (DomProperty *ptoolTip = attributes.value(QLatin1String("toolTip"))) {
            toolBox->setItemToolTip(tabIndex, toString(ptoolTip->elementString()));
        }

        return true;
    }

    else if (QStackedWidget *stackedWidget = qobject_cast<QStackedWidget*>(parentWidget)) {
        stackedWidget->addWidget(widget);
        return true;
    }

    else if (QSplitter *splitter = qobject_cast<QSplitter*>(parentWidget)) {
        splitter->addWidget(widget);
        return true;
    }

    else if (QDockWidget *dockWidget = qobject_cast<QDockWidget*>(parentWidget)) {
        dockWidget->setWidget(widget);
        return true;
    }

    return false;
}

/*!
    \internal
*/
void QAbstractFormBuilder::layoutInfo(DomLayout *ui_layout, QObject *parent, int *margin, int *spacing)
{
    QHash<QString, DomProperty*> properties = propertyMap(ui_layout->elementProperty());

    if (margin)
        *margin = properties.contains(QLatin1String("margin"))
            ? properties.value(QLatin1String("margin"))->elementNumber()
            : m_defaultMargin;

    if (spacing)
        *spacing = properties.contains(QLatin1String("spacing"))
            ? properties.value(QLatin1String("spacing"))->elementNumber()
            : m_defaultSpacing;

    if (margin && m_defaultMargin == INT_MIN) {
        Q_ASSERT(parent);
        if (qstrcmp(parent->metaObject()->className(), "QLayoutWidget") == 0)
            *margin = INT_MIN;
    }
}

/*!
    \internal
*/
QLayout *QAbstractFormBuilder::create(DomLayout *ui_layout, QLayout *parentLayout, QWidget *parentWidget)
{
    QObject *p = parentLayout;

    if (p == 0)
        p = parentWidget;

    Q_ASSERT(p != 0);

    bool tracking = false;

    if (p == parentWidget && parentWidget->layout()) {
        tracking = true;
        p = parentWidget->layout();
    }

    QLayout *layout = createLayout(ui_layout->attributeClass(), p, QString());

    if (layout == 0)
        return 0;

    if (tracking && layout->parent() == 0) {
        QBoxLayout *box = qobject_cast<QBoxLayout*>(parentWidget->layout());
        Q_ASSERT(box != 0); // only QBoxLayout is supported
        box->addLayout(layout);
    }

    int margin = INT_MIN, spacing = INT_MIN;
    layoutInfo(ui_layout, p, &margin, &spacing);

    if (margin != INT_MIN)
       layout->setMargin(margin);

    if (spacing != INT_MIN)
        layout->setSpacing(spacing);

    applyProperties(layout, ui_layout->elementProperty());

    foreach (DomLayoutItem *ui_item, ui_layout->elementItem()) {
        if (QLayoutItem *item = create(ui_item, layout, parentWidget)) {
            addItem(ui_item, item, layout);
        }
    }

    return layout;
}

/*!
    \internal
*/
bool QAbstractFormBuilder::addItem(DomLayoutItem *ui_item, QLayoutItem *item, QLayout *layout)
{
    if (item->widget()) {
        static_cast<QFriendlyLayout*>(layout)->addChildWidget(item->widget());
    } else if (item->layout()) {
        static_cast<QFriendlyLayout*>(layout)->addChildLayout(item->layout());
    } else if (item->spacerItem()) {
        // nothing to do
    } else {
        return false;
    }

    if (QGridLayout *grid = qobject_cast<QGridLayout*>(layout)) {
        int rowSpan = ui_item->hasAttributeRowSpan() ? ui_item->attributeRowSpan() : 1;
        int colSpan = ui_item->hasAttributeColSpan() ? ui_item->attributeColSpan() : 1;
        grid->addItem(item, ui_item->attributeRow(), ui_item->attributeColumn(),
                        rowSpan, colSpan, item->alignment());
    } else {
        layout->addItem(item);
    }

    return true;
}

/*!
    \internal
*/
QLayoutItem *QAbstractFormBuilder::create(DomLayoutItem *ui_layoutItem, QLayout *layout, QWidget *parentWidget)
{
    switch (ui_layoutItem->kind()) {
    case DomLayoutItem::Widget:
        return new QWidgetItem(create(ui_layoutItem->elementWidget(), parentWidget));

    case DomLayoutItem::Spacer: {
        QSize size(0, 0);
        QSizePolicy::Policy sizeType = QSizePolicy::Expanding;
        bool isVspacer = false;

        DomSpacer *ui_spacer = ui_layoutItem->elementSpacer();

        int e_index = QAbstractFormBuilderGadget::staticMetaObject.indexOfProperty("sizeType");
        Q_ASSERT(e_index != -1);

        QMetaEnum sizePolicy_enum = QAbstractFormBuilderGadget::staticMetaObject.property(e_index).enumerator();

        e_index = QAbstractFormBuilderGadget::staticMetaObject.indexOfProperty("orientation");
        Q_ASSERT(e_index != -1);

        QMetaEnum orientation_enum = QAbstractFormBuilderGadget::staticMetaObject.property(e_index).enumerator();

        foreach (DomProperty *p, ui_spacer->elementProperty()) {
            QVariant v = toVariant(&QAbstractFormBuilderGadget::staticMetaObject, p); // ### remove me
            if (v.isNull())
                continue;

            if (p->attributeName() == QLatin1String("sizeHint") && p->kind() == DomProperty::Size) {
                size = v.toSize();  // ###  remove me
            } else if (p->attributeName() == QLatin1String("sizeType") && p->kind() == DomProperty::Enum) {
                sizeType = static_cast<QSizePolicy::Policy>(sizePolicy_enum.keyToValue(p->elementEnum().toUtf8()));
            } else if (p->attributeName() == QLatin1String("orientation") && p->kind() == DomProperty::Enum) {
                Qt::Orientation o = static_cast<Qt::Orientation>(orientation_enum.keyToValue(p->elementEnum().toUtf8()));
                isVspacer = (o == Qt::Vertical);
            }
        }

        QSpacerItem *spacer = 0;
        if (isVspacer)
            spacer = new QSpacerItem(size.width(), size.height(), QSizePolicy::Minimum, sizeType);
        else
            spacer = new QSpacerItem(size.width(), size.height(), sizeType, QSizePolicy::Minimum);
        return spacer; }

    case DomLayoutItem::Layout:
        return create(ui_layoutItem->elementLayout(), layout, parentWidget);

    default:
        break;
    }

    return 0;
}

/*!
    \internal
*/
void QAbstractFormBuilder::applyProperties(QObject *o, const QList<DomProperty*> &properties)
{
    foreach (DomProperty *p, properties) {
        QVariant v = toVariant(o->metaObject(), p);
        if (!v.isNull())
            o->setProperty(p->attributeName().toUtf8(), v);
    }
}

/*!
    \internal
*/
QVariant QAbstractFormBuilder::toVariant(const QMetaObject *meta, DomProperty *p)
{
    QVariant v;

    switch(p->kind()) {
    case DomProperty::Bool: {
        v = toBool(p->elementBool());
    } break;

    case DomProperty::Cstring: {
        v = p->elementCstring();
    } break;

    case DomProperty::Point: {
        DomPoint *point = p->elementPoint();
        QPoint pt(point->elementX(), point->elementY());
        v = QVariant(pt);
    } break;

    case DomProperty::Size: {
        DomSize *size = p->elementSize();
        QSize sz(size->elementWidth(), size->elementHeight());
        v = QVariant(sz);
    } break;

    case DomProperty::Rect: {
        DomRect *rc = p->elementRect();
        QRect g(rc->elementX(), rc->elementY(), rc->elementWidth(), rc->elementHeight());
        v = QVariant(g);
    } break;

    case DomProperty::String: {
        int index = meta->indexOfProperty(p->attributeName().toUtf8());
        if (index != -1 && meta->property(index).type() == QVariant::KeySequence)
            v = qVariantFromValue(QKeySequence(p->elementString()->text()));
        else
            v = p->elementString()->text();
    } break;

    case DomProperty::Number: {
        v = p->elementNumber();
    } break;

    case DomProperty::Double: {
        v = p->elementDouble();
    } break;

    case DomProperty::Color: {
        DomColor *color = p->elementColor();
        QColor c(color->elementRed(), color->elementGreen(), color->elementBlue());
        v = qVariantFromValue(c);
    } break;

    case DomProperty::Font: {
        DomFont *font = p->elementFont();

        QFont f;
        if (!font->elementFamily().isEmpty())
            f.setFamily(font->elementFamily());
        if (font->elementPointSize() > 0)
            f.setPointSize(font->elementPointSize());
        if (font->elementWeight() > 0)
            f.setWeight(font->elementWeight());