void ZoomView::scrollToOrigin()
{
const QPoint origin(0 ,0);
const QPoint current = scrollPosition();
if (current != origin) {
if (debugZoomWidget)
qDebug() << "ZoomView::scrollToOrigin from " << current;
setScrollPosition(origin);
}
}
void ScrollableArea::scrollIntoRect(const LayoutRect& rectInContent, const FloatRect& targetRectInFrame)
{
// Use |pixelSnappedIntRect| for rounding to pixel as opposed to |enclosingIntRect|. It gives a better
// combined (location and size) rounding error resulting in a more accurate scroll offset.
// FIXME: It would probably be best to do the whole calculation in LayoutUnits but contentsToRootFrame
// and friends don't have LayoutRect/Point versions yet.
IntRect boundsInContent = pixelSnappedIntRect(rectInContent);
IntRect boundsInFrame(boundsInContent.location() - toIntSize(scrollPosition()), boundsInContent.size());
int centeringOffsetX = (targetRectInFrame.width() - boundsInFrame.width()) / 2;
int centeringOffsetY = (targetRectInFrame.height() - boundsInFrame.height()) / 2;
IntSize scrollDelta(
boundsInFrame.x() - centeringOffsetX - targetRectInFrame.x(),
boundsInFrame.y() - centeringOffsetY - targetRectInFrame.y());
DoublePoint targetOffset = DoublePoint(scrollPosition() + scrollDelta);
setScrollPosition(targetOffset, ProgrammaticScroll);
}
TEST_F(GraphicsLayerTest, applyScrollToScrollableArea) {
FakeScrollableArea* scrollableArea = FakeScrollableArea::create();
m_graphicsLayer->setScrollableArea(scrollableArea, false);
WebDoublePoint scrollPosition(7, 9);
m_platformLayer->setScrollPositionDouble(scrollPosition);
m_graphicsLayer->didScroll();
EXPECT_FLOAT_EQ(scrollPosition.x, scrollableArea->getScrollOffset().width());
EXPECT_FLOAT_EQ(scrollPosition.y, scrollableArea->getScrollOffset().height());
}
TEST_F(GraphicsLayerTest, applyScrollToScrollableArea)
{
OwnPtrWillBeRawPtr<FakeScrollableArea> scrollableArea = FakeScrollableArea::create();
m_graphicsLayer->setScrollableArea(scrollableArea.get(), false);
WebDoublePoint scrollPosition(7, 9);
m_platformLayer->setScrollPositionDouble(scrollPosition);
m_graphicsLayer->didScroll();
EXPECT_FLOAT_EQ(scrollPosition.x, scrollableArea->scrollPositionDouble().x());
EXPECT_FLOAT_EQ(scrollPosition.y, scrollableArea->scrollPositionDouble().y());
}
int QWebFrame::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QObject::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
if (_id < 13)
qt_static_metacall(this, _c, _id, _a);
_id -= 13;
}
#ifndef QT_NO_PROPERTIES
else if (_c == QMetaObject::ReadProperty) {
void *_v = _a[0];
switch (_id) {
case 0: *reinterpret_cast< qreal*>(_v) = textSizeMultiplier(); break;
case 1: *reinterpret_cast< qreal*>(_v) = zoomFactor(); break;
case 2: *reinterpret_cast< QString*>(_v) = title(); break;
case 3: *reinterpret_cast< QUrl*>(_v) = url(); break;
case 4: *reinterpret_cast< QUrl*>(_v) = requestedUrl(); break;
case 5: *reinterpret_cast< QUrl*>(_v) = baseUrl(); break;
case 6: *reinterpret_cast< QIcon*>(_v) = icon(); break;
case 7: *reinterpret_cast< QSize*>(_v) = contentsSize(); break;
case 8: *reinterpret_cast< QPoint*>(_v) = scrollPosition(); break;
case 9: *reinterpret_cast< bool*>(_v) = hasFocus(); break;
}
_id -= 10;
} else if (_c == QMetaObject::WriteProperty) {
void *_v = _a[0];
switch (_id) {
case 0: setTextSizeMultiplier(*reinterpret_cast< qreal*>(_v)); break;
case 1: setZoomFactor(*reinterpret_cast< qreal*>(_v)); break;
case 3: setUrl(*reinterpret_cast< QUrl*>(_v)); break;
case 8: setScrollPosition(*reinterpret_cast< QPoint*>(_v)); break;
}
_id -= 10;
} else if (_c == QMetaObject::ResetProperty) {
_id -= 10;
} else if (_c == QMetaObject::QueryPropertyDesignable) {
_id -= 10;
} else if (_c == QMetaObject::QueryPropertyScriptable) {
_id -= 10;
} else if (_c == QMetaObject::QueryPropertyStored) {
_id -= 10;
} else if (_c == QMetaObject::QueryPropertyEditable) {
_id -= 10;
} else if (_c == QMetaObject::QueryPropertyUser) {
_id -= 10;
}
#endif // QT_NO_PROPERTIES
return _id;
}
void ScrollableArea::updateScrollSnapState()
{
if (ScrollAnimator* scrollAnimator = existingScrollAnimator())
scrollAnimator->updateScrollSnapState();
if (isScrollSnapInProgress())
return;
IntPoint currentPosition = scrollPosition();
IntPoint correctedPosition = nearestActiveSnapPoint(currentPosition);
if (correctedPosition != currentPosition)
scrollToOffsetWithoutAnimation(correctedPosition);
}
void ScrollableArea::scrollPositionChanged(const IntPoint& position)
{
#if PLATFORM(CHROMIUM)
TRACE_EVENT0("webkit", "ScrollableArea::scrollPositionChanged");
#endif
IntPoint oldPosition = scrollPosition();
// Tell the derived class to scroll its contents.
setScrollOffset(position);
Scrollbar* verticalScrollbar = this->verticalScrollbar();
// Tell the scrollbars to update their thumb postions.
if (Scrollbar* horizontalScrollbar = this->horizontalScrollbar()) {
horizontalScrollbar->offsetDidChange();
if (horizontalScrollbar->isOverlayScrollbar() && !hasLayerForHorizontalScrollbar()) {
if (!verticalScrollbar)
horizontalScrollbar->invalidate();
else {
// If there is both a horizontalScrollbar and a verticalScrollbar,
// then we must also invalidate the corner between them.
IntRect boundsAndCorner = horizontalScrollbar->boundsRect();
boundsAndCorner.setWidth(boundsAndCorner.width() + verticalScrollbar->width());
horizontalScrollbar->invalidateRect(boundsAndCorner);
}
}
}
if (verticalScrollbar) {
verticalScrollbar->offsetDidChange();
if (verticalScrollbar->isOverlayScrollbar() && !hasLayerForVerticalScrollbar())
verticalScrollbar->invalidate();
}
if (scrollPosition() != oldPosition)
scrollAnimator()->notifyContentAreaScrolled();
}
void WebViewSmoothScroller::handleAutoscroll ()
{
if (std::fabs (ScrollDelta_) < std::numeric_limits<decltype (ScrollDelta_)>::epsilon ())
return;
AccumulatedScrollShift_ += ScrollDelta_;
if (std::abs (AccumulatedScrollShift_) >= 1)
{
const auto mf = View_->page ()->mainFrame ();
auto pos = mf->scrollPosition ();
pos += QPoint (0, AccumulatedScrollShift_);
mf->setScrollPosition (pos);
AccumulatedScrollShift_ -= static_cast<int> (AccumulatedScrollShift_);
}
}
void BackingStoreClient::setScrollPosition(const IntPoint& pos)
{
ASSERT(m_frame);
if (!m_frame->view())
return;
if (pos == scrollPosition())
return;
// We set a flag here to note that this scroll operation was originated
// within the BlackBerry-specific layer of WebKit and not by WebCore.
// This flag is checked in checkOriginOfCurrentScrollOperation() to decide
// whether to notify the client of the current scroll operation. This is
// why it is important that all scroll operations that originate within
// BlackBerry-specific code are encapsulated here and that callers of this
// method also directly or indirectly call notifyTransformedScrollChanged().
m_isScrollNotificationSuppressed = true;
m_frame->view()->setScrollPosition(pos + pointToSize(m_frame->view()->minimumScrollPosition()));
m_isScrollNotificationSuppressed = false;
}
void IntersectionObservation::clipToFrameView(IntersectionGeometry& geometry)
{
Node* rootNode = m_observer->root();
LayoutObject* rootLayoutObject = m_observer->rootLayoutObject();
if (rootLayoutObject->isLayoutView()) {
geometry.rootRect = LayoutRect(toLayoutView(rootLayoutObject)->frameView()->visibleContentRect());
m_observer->applyRootMargin(geometry.rootRect);
geometry.intersectionRect.intersect(geometry.rootRect);
} else {
if (rootLayoutObject->isBox())
geometry.rootRect = LayoutRect(toLayoutBox(rootLayoutObject)->absoluteContentBox());
else
geometry.rootRect = LayoutRect(rootLayoutObject->absoluteBoundingBoxRect());
m_observer->applyRootMargin(geometry.rootRect);
}
LayoutPoint scrollPosition(rootNode->document().view()->scrollPosition());
geometry.targetRect.moveBy(-scrollPosition);
geometry.intersectionRect.moveBy(-scrollPosition);
geometry.rootRect.moveBy(-scrollPosition);
}
void ossimGui::ImageScrollWidget::setPositionGivenLocal(const ossimDpt& position)
{
QSize size = viewport()->size();
ossimIpt scrollPosition(position);
if(scrollPosition.x < 0) scrollPosition.x = 0;
if(scrollPosition.y < 0) scrollPosition.y = 0;
if(size.width() > m_inputBounds.width()) scrollPosition.x = 0;
if(size.height() > m_inputBounds.height()) scrollPosition.y = 0;
if(scrollPosition.x > m_inputBounds.width()) scrollPosition.x = m_inputBounds.width()-1;
if(scrollPosition.y > m_inputBounds.height()) scrollPosition.y = m_inputBounds.height()-1;
if(horizontalScrollBar()->value() != scrollPosition.x)
{
horizontalScrollBar()->setValue(scrollPosition.x);
}
if(verticalScrollBar()->value() != scrollPosition.y)
{
verticalScrollBar()->setValue(scrollPosition.y);
}
}
IntPoint BackingStoreClient::transformedScrollPosition() const
{
return m_webPage->d->mapToTransformed(scrollPosition());
}
void ScrollingTreeFrameScrollingNode::scrollBy(const FloatSize& offset)
{
setScrollPosition(scrollPosition() + offset);
}
bool ScrollableArea::scrolledToRight() const
{
return scrollPosition().x() >= maximumScrollPosition().x();
}
bool ScrollableArea::scrolledToLeft() const
{
return scrollPosition().x() <= minimumScrollPosition().x();
}
bool ScrollableArea::scrolledToBottom() const
{
return scrollPosition().y() >= maximumScrollPosition().y();
}
bool ScrollableArea::scrolledToTop() const
{
return scrollPosition().y() <= minimumScrollPosition().y();
}
void ScrollingTreeFrameScrollingNode::scrollByWithoutContentEdgeConstraints(const FloatSize& offset)
{
setScrollPositionWithoutContentEdgeConstraints(scrollPosition() + offset);
}
void ScrollableArea::notifyScrollPositionChanged(const IntPoint& position)
{
scrollPositionChanged(DoublePoint(position));
scrollAnimator()->setCurrentPosition(scrollPosition());
}
void RenderTextControl::hitInnerTextElement(HitTestResult& result, const LayoutPoint& pointInContainer, const LayoutPoint& accumulatedOffset)
{
TextControlInnerTextElement* innerText = innerTextElement();
if (!innerText->renderer())
return;
LayoutPoint adjustedLocation = accumulatedOffset + location();
LayoutPoint localPoint = pointInContainer - toLayoutSize(adjustedLocation + innerText->renderBox()->location()) + toLayoutSize(scrollPosition());
result.setInnerNode(innerText);
result.setInnerNonSharedNode(innerText);
result.setLocalPoint(localPoint);
}
int QWebFrame::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QObject::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: javaScriptWindowObjectCleared(); break;
case 1: provisionalLoad(); break;
case 2: titleChanged((*reinterpret_cast< const QString(*)>(_a[1]))); break;
case 3: urlChanged((*reinterpret_cast< const QUrl(*)>(_a[1]))); break;
case 4: initialLayoutCompleted(); break;
case 5: iconChanged(); break;
case 6: contentsSizeChanged((*reinterpret_cast< const QSize(*)>(_a[1]))); break;
case 7: loadStarted(); break;
case 8: loadFinished((*reinterpret_cast< bool(*)>(_a[1]))); break;
case 9: { QVariant _r = evaluateJavaScript((*reinterpret_cast< const QString(*)>(_a[1])));
if (_a[0]) *reinterpret_cast< QVariant*>(_a[0]) = _r; } break;
case 10: print((*reinterpret_cast< QPrinter*(*)>(_a[1]))); break;
default: ;
}
_id -= 11;
}
#ifndef QT_NO_PROPERTIES
else if (_c == QMetaObject::ReadProperty) {
void *_v = _a[0];
switch (_id) {
case 0: *reinterpret_cast< qreal*>(_v) = textSizeMultiplier(); break;
case 1: *reinterpret_cast< qreal*>(_v) = zoomFactor(); break;
case 2: *reinterpret_cast< QString*>(_v) = title(); break;
case 3: *reinterpret_cast< QUrl*>(_v) = url(); break;
case 4: *reinterpret_cast< QUrl*>(_v) = requestedUrl(); break;
case 5: *reinterpret_cast< QUrl*>(_v) = baseUrl(); break;
case 6: *reinterpret_cast< QIcon*>(_v) = icon(); break;
case 7: *reinterpret_cast< QSize*>(_v) = contentsSize(); break;
case 8: *reinterpret_cast< QPoint*>(_v) = scrollPosition(); break;
case 9: *reinterpret_cast< bool*>(_v) = hasFocus(); break;
}
_id -= 10;
} else if (_c == QMetaObject::WriteProperty) {
void *_v = _a[0];
switch (_id) {
case 0: setTextSizeMultiplier(*reinterpret_cast< qreal*>(_v)); break;
case 1: setZoomFactor(*reinterpret_cast< qreal*>(_v)); break;
case 3: setUrl(*reinterpret_cast< QUrl*>(_v)); break;
case 8: setScrollPosition(*reinterpret_cast< QPoint*>(_v)); break;
}
_id -= 10;
} else if (_c == QMetaObject::ResetProperty) {
_id -= 10;
} else if (_c == QMetaObject::QueryPropertyDesignable) {
_id -= 10;
} else if (_c == QMetaObject::QueryPropertyScriptable) {
_id -= 10;
} else if (_c == QMetaObject::QueryPropertyStored) {
_id -= 10;
} else if (_c == QMetaObject::QueryPropertyEditable) {
_id -= 10;
} else if (_c == QMetaObject::QueryPropertyUser) {
_id -= 10;
}
#endif // QT_NO_PROPERTIES
return _id;
}