bool RenderTextControlSingleLine::logicalScroll(ScrollLogicalDirection direction, ScrollGranularity granularity, float multiplier, Element** stopElement)
{
RenderLayer* layer = innerTextElement()->renderer()->layer();
if (layer && layer->scroll(logicalToPhysical(direction, style().isHorizontalWritingMode(), style().isFlippedBlocksWritingMode()), granularity, multiplier))
return true;
return RenderBlockFlow::logicalScroll(direction, granularity, multiplier, stopElement);
}
bool RenderTextControlSingleLine::scroll(ScrollDirection direction, ScrollGranularity granularity, float multiplier, Node** stopNode)
{
RenderLayer* layer = innerTextElement()->renderBox()->layer();
if (layer && layer->scroll(direction, granularity, multiplier))
return true;
return RenderBlock::scroll(direction, granularity, multiplier, stopNode);
}
bool RenderTextControlSingleLine::scroll(ScrollDirection direction, ScrollGranularity granularity, float multiplier, Element** stopElement, RenderBox* startBox, const IntPoint& wheelEventAbsolutePoint)
{
RenderTextControlInnerBlock* renderer = innerTextElement()->renderer();
if (!renderer)
return false;
RenderLayer* layer = renderer->layer();
if (layer && layer->scroll(direction, granularity, multiplier))
return true;
return RenderBlockFlow::scroll(direction, granularity, multiplier, stopElement, startBox, wheelEventAbsolutePoint);
}
QT_END_NAMESPACE
static bool webframe_scrollOverflow(WebCore::Frame* frame, int dx, int dy, const QPoint& pos)
{
if (!frame || !frame->document() || !frame->view() || !frame->eventHandler())
return false;
QPoint contentsPos = frame->view()->windowToContents(pos);
Node* node = frame->document()->elementFromPoint(contentsPos.x(), contentsPos.y());
if (!node)
return false;
RenderObject* renderer = node->renderer();
if (!renderer)
return false;
if (renderer->isListBox())
return false;
RenderLayer* renderLayer = renderer->enclosingLayer();
if (!renderLayer)
return false;
bool scrolledHorizontal = false;
bool scrolledVertical = false;
if (dx > 0)
scrolledHorizontal = renderLayer->scroll(ScrollRight, ScrollByPixel, dx);
else if (dx < 0)
scrolledHorizontal = renderLayer->scroll(ScrollLeft, ScrollByPixel, qAbs(dx));
if (dy > 0)
scrolledVertical = renderLayer->scroll(ScrollDown, ScrollByPixel, dy);
else if (dy < 0)
scrolledVertical = renderLayer->scroll(ScrollUp, ScrollByPixel, qAbs(dy));
return (scrolledHorizontal || scrolledVertical);
}
static bool webframe_scrollOverflow(WebCore::Frame* frame, int dx, int dy)
{
if (!frame || !frame->document() || !frame->eventHandler())
return false;
Node* node = frame->document()->focusedNode();
if (!node)
node = frame->document()->elementFromPoint(frame->eventHandler()->currentMousePosition().x(),
frame->eventHandler()->currentMousePosition().y());
if (!node)
return false;
RenderObject* renderer = node->renderer();
if (!renderer)
return false;
if (renderer->isListBox())
return false;
RenderLayer* renderLayer = renderer->enclosingLayer();
if (!renderLayer)
return false;
bool scrolledHorizontal = false;
bool scrolledVertical = false;
if (dx > 0)
scrolledHorizontal = renderLayer->scroll(ScrollRight, ScrollByPixel, dx);
else if (dx < 0)
scrolledHorizontal = renderLayer->scroll(ScrollLeft, ScrollByPixel, qAbs(dx));
if (dy > 0)
scrolledVertical = renderLayer->scroll(ScrollDown, ScrollByPixel, dy);
else if (dy < 0)
scrolledVertical = renderLayer->scroll(ScrollUp, ScrollByPixel, qAbs(dy));
return (scrolledHorizontal || scrolledVertical);
}
