render_replaced.cpp

khtml在gtk上的移植版本

	resizeWidget( m_widget,
		      m_width-borderLeft()-borderRight()-paddingLeft()-paddingRight(),
		      m_height-borderLeft()-borderRight()-paddingLeft()-paddingRight() );
    }
#endif

    setNeedsLayout(false);
}

#if APPLE_CHANGES
void RenderWidget::sendConsumedMouseUp(const QPoint &mousePos, int button, int state)
{
    RenderArena *arena = ref();
    QMouseEvent e( QEvent::MouseButtonRelease, mousePos, button, state);

    element()->dispatchMouseEvent(&e, EventImpl::MOUSEUP_EVENT, 0);
    deref(arena);
}
#endif

void RenderWidget::slotWidgetDestructed()
{
    m_widget = 0;
}

void RenderWidget::setStyle(RenderStyle *_style)
{
    RenderReplaced::setStyle(_style);
    if (m_widget)
    {
        m_widget->setFont(style()->font());
        if (style()->visibility() != VISIBLE)
            m_widget->hide();
#if APPLE_CHANGES
        else
            m_widget->show();
#endif
    }
}

void RenderWidget::paint(PaintInfo& i, int _tx, int _ty)
{
    if (!shouldPaint(i, _tx, _ty)) return;

    _tx += m_x;
    _ty += m_y;
    
    if (shouldPaintBackgroundOrBorder() && i.phase != PaintActionOutline) 
        paintBoxDecorations(i, _tx, _ty);

#if APPLE_CHANGES
    if (!m_widget || !m_view || i.phase != PaintActionForeground ||
        style()->visibility() != VISIBLE)
        return;

    // Move the widget if necessary.  We normally move and resize widgets during layout, but sometimes
    // widgets can move without layout occurring (most notably when you scroll a document that
    // contains fixed positioned elements).
    int newX = _tx + borderLeft() + paddingLeft();
    int newY = _ty + borderTop() + paddingTop();
    if (m_view->childX(m_widget) != newX || m_view->childY(m_widget) != newY)
        m_widget->move(newX, newY);
    
    // Tell the widget to paint now.  This is the only time the widget is allowed
    // to paint itself.  That way it will composite properly with z-indexed layers.
    m_widget->paint(i.p, i.r);
#else
    if (!m_widget || !m_view || i.phase != PaintActionForeground)
        return;
    
    if (style()->visibility() != VISIBLE) {
        m_widget->hide();
        return;
    }

    int xPos = _tx+borderLeft()+paddingLeft();
    int yPos = _ty+borderTop()+paddingTop();

    int childw = m_widget->width();
    int childh = m_widget->height();
    if ( (childw == 2000 || childh == 3072) && m_widget->inherits( "KHTMLView" ) ) {
	KHTMLView *vw = static_cast<KHTMLView *>(m_widget);
	int cy = m_view->contentsY();
	int ch = m_view->visibleHeight();


	int childx = m_view->childX( m_widget );
	int childy = m_view->childY( m_widget );

	int xNew = xPos;
	int yNew = childy;

	// 	qDebug("cy=%d, ch=%d, childy=%d, childh=%d", cy, ch, childy, childh );
	if ( childh == 3072 ) {
	    if ( cy + ch > childy + childh ) {
		yNew = cy + ( ch - childh )/2;
	    } else if ( cy < childy ) {
		yNew = cy + ( ch - childh )/2;
	    }
// 	    qDebug("calculated yNew=%d", yNew);
	}
	yNew = kMin( yNew, yPos + m_height - childh );
	yNew = kMax( yNew, yPos );
	if ( yNew != childy || xNew != childx ) {
	    if ( vw->contentsHeight() < yNew - yPos + childh )
		vw->resizeContents( vw->contentsWidth(), yNew - yPos + childh );
	    vw->setContentsPos( xNew - xPos, yNew - yPos );
	}
	xPos = xNew;
	yPos = yNew;
    }

    m_view->addChild(m_widget, xPos, yPos );
    m_widget->show();
#endif
}

void RenderWidget::handleFocusOut()
{
}

bool RenderWidget::eventFilter(QObject* /*o*/, QEvent* e)
{
    if ( !element() ) return true;

    RenderArena *arena = ref();
    DOM::NodeImpl *elem = element();
    elem->ref();

    bool filtered = false;

    //kdDebug() << "RenderWidget::eventFilter type=" << e->type() << endl;
    switch(e->type()) {
    case QEvent::FocusOut:
       //static const char* const r[] = {"Mouse", "Tab", "Backtab", "ActiveWindow", "Popup", "Shortcut", "Other" };
        //kdDebug() << "RenderFormElement::eventFilter FocusOut widget=" << m_widget << " reason:" << r[QFocusEvent::reason()] << endl;
        // Don't count popup as a valid reason for losing the focus
        // (example: opening the options of a select combobox shouldn't emit onblur)
        if ( QFocusEvent::reason() != QFocusEvent::Popup )
       {
           //kdDebug(6000) << "RenderWidget::eventFilter captures FocusOut" << endl;
            if (elem->getDocument()->focusNode() == elem)
                elem->getDocument()->setFocusNode(0);
//             if (  elem->isEditable() ) {
//                 KHTMLPartBrowserExtension *ext = static_cast<KHTMLPartBrowserExtension *>( elem->view->part()->browserExtension() );
//                 if ( ext )  ext->editableWidgetBlurred( m_widget );
//             }
	    handleFocusOut();
        }
        break;
    case QEvent::FocusIn:
        //kdDebug(6000) << "RenderWidget::eventFilter captures FocusIn" << endl;
        elem->getDocument()->setFocusNode(elem);
//         if ( isEditable() ) {
//             KHTMLPartBrowserExtension *ext = static_cast<KHTMLPartBrowserExtension *>( elem->view->part()->browserExtension() );
//             if ( ext )  ext->editableWidgetFocused( m_widget );
//         }
        break;
    case QEvent::MouseButtonPress:
//       handleMousePressed(static_cast<QMouseEvent*>(e));
        break;
    case QEvent::MouseButtonRelease:
//    {
//         int absX, absY;
//         absolutePosition(absX,absY);
//         QMouseEvent* _e = static_cast<QMouseEvent*>(e);
//         m_button = _e->button();
//         m_state  = _e->state();
//         QMouseEvent e2(e->type(),QPoint(absX,absY)+_e->pos(),_e->button(),_e->state());

//         elem->dispatchMouseEvent(&e2,EventImpl::MOUSEUP_EVENT,m_clickCount);

//         if((m_mousePos - e2.pos()).manhattanLength() <= QApplication::startDragDistance()) {
//             // DOM2 Events section 1.6.2 says that a click is if the mouse was pressed
//             // and released in the "same screen location"
//             // As people usually can't click on the same pixel, we're a bit tolerant here
//             elem->dispatchMouseEvent(&e2,EventImpl::CLICK_EVENT,m_clickCount);
//         }

//         if(!isRenderButton()) {
//             // ### DOMActivate is also dispatched for thigs like selects & textareas -
//             // not sure if this is correct
//             elem->dispatchUIEvent(EventImpl::DOMACTIVATE_EVENT,m_isDoubleClick ? 2 : 1);
//             elem->dispatchMouseEvent(&e2, m_isDoubleClick ? EventImpl::KHTML_DBLCLICK_EVENT : EventImpl::KHTML_CLICK_EVENT, m_clickCount);
//             m_isDoubleClick = false;
//         }
//         else
//             // save position for slotClicked - see below -
//             m_mousePos = e2.pos();
//     }
    break;
    case QEvent::MouseButtonDblClick:
//     {
//         m_isDoubleClick = true;
//         handleMousePressed(static_cast<QMouseEvent*>(e));
//     }
    break;
    case QEvent::MouseMove:
//     {
//         int absX, absY;
//         absolutePosition(absX,absY);
//         QMouseEvent* _e = static_cast<QMouseEvent*>(e);
//         QMouseEvent e2(e->type(),QPoint(absX,absY)+_e->pos(),_e->button(),_e->state());
//         elem->dispatchMouseEvent(&e2);
//         // ### change cursor like in KHTMLView?
//     }
    break;
    case QEvent::KeyPress:
    case QEvent::KeyRelease:
    {
        if (!elem->dispatchKeyEvent(static_cast<QKeyEvent*>(e)))
            filtered = true;
        break;
    }
    default: break;
    };

    elem->deref();

    // stop processing if the widget gets deleted, but continue in all other cases
    if (hasOneRef())
        filtered = true;
    deref(arena);

    return filtered;
}

void RenderWidget::deref(RenderArena *arena)
{
    if (_ref) _ref--; 
    if (!_ref)
        arenaDelete(arena);
}

#if APPLE_CHANGES
void RenderWidget::updateWidgetPositions()
{
    if (!m_widget)
        return;
    
    int x, y, width, height;
    absolutePosition(x,y);
    x += borderLeft() + paddingLeft();
    y += borderTop() + paddingTop();
    width = m_width - borderLeft() - borderRight() - paddingLeft() - paddingRight();
    height = m_height - borderTop() - borderBottom() - paddingTop() - paddingBottom();
    QRect newBounds(x,y,width,height);
    QRect oldBounds(m_widget->frameGeometry());
    if (newBounds != oldBounds) {
        // The widget changed positions.  Update the frame geometry.
        if (checkForRepaintDuringLayout()) {
            RenderCanvas* c = canvas();
            if (!c->printingMode()) {
                c->repaintViewRectangle(oldBounds);
                c->repaintViewRectangle(newBounds);
            }
        }

        RenderArena *arena = ref();
        element()->ref();
        m_widget->setFrameGeometry(newBounds);
        element()->deref();
        deref(arena);
    }
}
#endif

void RenderWidget::setSelectionState(SelectionState s) 
{
    if (m_selectionState != s) {
        m_selectionState = s;
        m_widget->setIsSelected(m_selectionState != SelectionNone);
    }
}

#include "render_replaced.moc"