void RenderSlider::layout()
{
    ASSERT(needsLayout());

    SliderThumbElement* thumbElement = shadowSliderThumb();
    RenderBox* thumb = thumbElement ? toRenderBox(thumbElement->renderer()) : 0;

    IntSize baseSize(borderAndPaddingWidth(), borderAndPaddingHeight());

    if (thumb) {
        // Allow the theme to set the size of the thumb.
        if (thumb->style()->hasAppearance()) {
            // FIXME: This should pass the style, not the renderer, to the theme.
            theme()->adjustSliderThumbSize(thumb);
        }

        baseSize.expand(thumb->style()->width().calcMinValue(0), thumb->style()->height().calcMinValue(0));
    }

    LayoutRepainter repainter(*this, checkForRepaintDuringLayout());

    IntSize oldSize = size();

    setSize(baseSize);
    computeLogicalWidth();
    computeLogicalHeight();
    updateLayerTransform();

    if (thumb) {
        if (oldSize != size())
            thumb->setChildNeedsLayout(true, false);

        LayoutStateMaintainer statePusher(view(), this, IntSize(x(), y()), style()->isFlippedBlocksWritingMode());

        IntRect oldThumbRect = thumb->frameRect();

        thumb->layoutIfNeeded();

        IntRect rect = thumbRect();
        thumb->setFrameRect(rect);
        if (thumb->checkForRepaintDuringLayout())
            thumb->repaintDuringLayoutIfMoved(oldThumbRect);

        statePusher.pop();
        addOverflowFromChild(thumb);
    }

    repainter.repaintAfterLayout();    

    setNeedsLayout(false);
}
void RenderSlider::layout()
{
    ASSERT(needsLayout());

    RenderBox* thumb = m_thumb ? toRenderBox(m_thumb->renderer()) : 0;

    IntSize baseSize(borderLeft() + paddingLeft() + paddingRight() + borderRight(),
        borderTop() + paddingTop() + paddingBottom() + borderBottom());

    if (thumb) {
        // Allow the theme to set the size of the thumb.
        if (thumb->style()->hasAppearance()) {
            // FIXME: This should pass the style, not the renderer, to the theme.
            theme()->adjustSliderThumbSize(thumb);
        }

        baseSize.expand(thumb->style()->width().calcMinValue(0), thumb->style()->height().calcMinValue(0));
    }

    LayoutRepainter repainter(*this, checkForRepaintDuringLayout());

    IntSize oldSize = size();

    setSize(baseSize);
    calcWidth();
    calcHeight();

    if (thumb) {
        if (oldSize != size())
            thumb->setChildNeedsLayout(true, false);

        LayoutStateMaintainer statePusher(view(), this, size());

        IntRect oldThumbRect = thumb->frameRect();

        thumb->layoutIfNeeded();

        IntRect rect = thumbRect();
        thumb->setFrameRect(rect);
        if (thumb->checkForRepaintDuringLayout())
            thumb->repaintDuringLayoutIfMoved(oldThumbRect);

        statePusher.pop();
        addOverflowFromChild(thumb);
    }

    repainter.repaintAfterLayout();    

    setNeedsLayout(false);
}
Exemplo n.º 3
0
bool ContainerNode::getLowerRightCorner(FloatPoint& point) const
{
    if (!renderer())
        return false;

    RenderObject* o = renderer();
    if (!o->isInline() || o->isReplaced()) {
        RenderBox* box = toRenderBox(o);
        point = o->localToAbsolute(LayoutPoint(box->size()), UseTransforms);
        return true;
    }

    // find the last text/image child, to get a position
    while (o) {
        if (o->lastChild())
            o = o->lastChild();
        else if (o->previousSibling())
            o = o->previousSibling();
        else {
            RenderObject* prev = 0;
            while (!prev) {
                o = o->parent();
                if (!o)
                    return false;
                prev = o->previousSibling();
            }
            o = prev;
        }
        ASSERT(o);
        if (o->isText() || o->isReplaced()) {
            point = FloatPoint();
            if (o->isText()) {
                RenderText* text = toRenderText(o);
                IntRect linesBox = text->linesBoundingBox();
                if (!linesBox.maxX() && !linesBox.maxY())
                    continue;
                point.moveBy(linesBox.maxXMaxYCorner());
            } else {
                RenderBox* box = toRenderBox(o);
                point.moveBy(box->frameRect().maxXMaxYCorner());
            }
            point = o->container()->localToAbsolute(point, UseTransforms);
            return true;
        }
    }
    return true;
}
Exemplo n.º 4
0
void ShadowBlockElement::layoutAsPart(const IntRect& partRect)
{
    RenderBox* parentRenderer = toRenderBox(renderer()->parent());
    RenderBox* selfRenderer = toRenderBox(renderer());
    IntRect oldRect = selfRenderer->frameRect();

    LayoutStateMaintainer statePusher(parentRenderer->view(), parentRenderer, parentRenderer->size(), parentRenderer->style()->isFlippedBlocksWritingMode());

    if (oldRect.size() != partRect.size())
        selfRenderer->setChildNeedsLayout(true, false);

    selfRenderer->layoutIfNeeded();
    selfRenderer->setFrameRect(partRect);

    if (selfRenderer->checkForRepaintDuringLayout())
        selfRenderer->repaintDuringLayoutIfMoved(oldRect);
        
    statePusher.pop();
    parentRenderer->addOverflowFromChild(selfRenderer);
}
Exemplo n.º 5
0
void RenderFrameSet::positionFramesWithFlattening()
{
    RenderBox* child = firstChildBox();
    if (!child)
        return;

    int rows = frameSetElement().totalRows();
    int cols = frameSetElement().totalCols();

    int borderThickness = frameSetElement().border();
    bool repaintNeeded = false;

    // calculate frameset height based on actual content height to eliminate scrolling
    bool out = false;
    for (int r = 0; r < rows && !out; r++) {
        int extra = 0;
        int height = m_rows.m_sizes[r];

        for (int c = 0; c < cols; c++) {
            IntRect oldFrameRect = pixelSnappedIntRect(child->frameRect());

            int width = m_cols.m_sizes[c];

            bool fixedWidth = frameSetElement().colLengths() && frameSetElement().colLengths()[c].isFixed();
            bool fixedHeight = frameSetElement().rowLengths() && frameSetElement().rowLengths()[r].isFixed();

            // has to be resized and itself resize its contents
            if (!fixedWidth)
                child->setWidth(width ? width + extra / (cols - c) : 0);
            else
                child->setWidth(width);
            child->setHeight(height);

            child->setNeedsLayout();

            if (child->isFrameSet())
                toRenderFrameSet(child)->layout();
            else
                toRenderFrame(child)->layoutWithFlattening(fixedWidth, fixedHeight);

            if (child->height() > m_rows.m_sizes[r])
                m_rows.m_sizes[r] = child->height();
            if (child->width() > m_cols.m_sizes[c])
                m_cols.m_sizes[c] = child->width();

            if (child->frameRect() != oldFrameRect)
                repaintNeeded = true;

            // difference between calculated frame width and the width it actually decides to have
            extra += width - m_cols.m_sizes[c];

            child = child->nextSiblingBox();
            if (!child) {
                out = true;
                break;
            }
        }
    }

    int xPos = 0;
    int yPos = 0;
    out = false;
    child = firstChildBox();
    for (int r = 0; r < rows && !out; r++) {
        xPos = 0;
        for (int c = 0; c < cols; c++) {
            // ensure the rows and columns are filled
            IntRect oldRect = pixelSnappedIntRect(child->frameRect());

            child->setLocation(IntPoint(xPos, yPos));
            child->setHeight(m_rows.m_sizes[r]);
            child->setWidth(m_cols.m_sizes[c]);

            if (child->frameRect() != oldRect) {
                repaintNeeded = true;

                // update to final size
                child->setNeedsLayout();
                if (child->isFrameSet())
                    toRenderFrameSet(child)->layout();
                else
                    toRenderFrame(child)->layoutWithFlattening(true, true);
            }

            xPos += m_cols.m_sizes[c] + borderThickness;
            child = child->nextSiblingBox();
            if (!child) {
                out = true;
                break;
            }
        }
        yPos += m_rows.m_sizes[r] + borderThickness;
    }

    setWidth(xPos - borderThickness);
    setHeight(yPos - borderThickness);

    if (repaintNeeded)
        repaint();

    // all the remaining frames are hidden to avoid ugly spurious unflowed frames
    for (; child; child = child->nextSiblingBox()) {
        child->setWidth(0);
        child->setHeight(0);
        child->clearNeedsLayout();
    }
}
Exemplo n.º 6
0
void RenderSlider::layout()
{
    ASSERT(needsLayout());

    RenderBox* thumb = m_thumb ? toRenderBox(m_thumb->renderer()) : 0;

    IntSize baseSize(borderLeft() + paddingLeft() + paddingRight() + borderRight(),
        borderTop() + paddingTop() + paddingBottom() + borderBottom());

    if (thumb) {
        // Allow the theme to set the size of the thumb.
        if (thumb->style()->hasAppearance()) {
            // FIXME: This should pass the style, not the renderer, to the theme.
            theme()->adjustSliderThumbSize(thumb);
        }

        baseSize.expand(thumb->style()->width().calcMinValue(0), thumb->style()->height().calcMinValue(0));
    }

    LayoutRepainter repainter(*this, checkForRepaintDuringLayout());

    IntSize oldSize = size();

    setSize(baseSize);
    calcWidth();
    calcHeight();

    IntRect overflowRect(IntPoint(), size());

    if (thumb) {
        if (oldSize != size())
            thumb->setChildNeedsLayout(true, false);

        LayoutStateMaintainer statePusher(view(), this, size());

        IntRect oldThumbRect = thumb->frameRect();

        thumb->layoutIfNeeded();

        IntRect thumbRect;

        thumbRect.setWidth(thumb->style()->width().calcMinValue(contentWidth()));
        thumbRect.setHeight(thumb->style()->height().calcMinValue(contentHeight()));

        double fraction = sliderPosition(static_cast<HTMLInputElement*>(node()));
        IntRect contentRect = contentBoxRect();
        if (style()->appearance() == SliderVerticalPart) {
            thumbRect.setX(contentRect.x() + (contentRect.width() - thumbRect.width()) / 2);
            thumbRect.setY(contentRect.y() + static_cast<int>(nextafter((contentRect.height() - thumbRect.height()) + 1, 0) * (1 - fraction)));
        } else {
            thumbRect.setX(contentRect.x() + static_cast<int>(nextafter((contentRect.width() - thumbRect.width()) + 1, 0) * fraction));
            thumbRect.setY(contentRect.y() + (contentRect.height() - thumbRect.height()) / 2);
        }

        thumb->setFrameRect(thumbRect);

        if (thumb->checkForRepaintDuringLayout())
            thumb->repaintDuringLayoutIfMoved(oldThumbRect);

        statePusher.pop();

        IntRect thumbOverflowRect = thumb->overflowRect();
        thumbOverflowRect.move(thumb->x(), thumb->y());
        overflowRect.unite(thumbOverflowRect);
    }

    // FIXME: m_overflowWidth and m_overflowHeight should be renamed
    // m_overflowRight and m_overflowBottom.
    m_overflowLeft = overflowRect.x();
    m_overflowTop = overflowRect.y();
    m_overflowWidth = overflowRect.right();
    m_overflowHeight = overflowRect.bottom();

    repainter.repaintAfterLayout();    

    setNeedsLayout(false);
}