FloatQuad LayoutGeometryMap::mapToAncestor(const FloatRect& rect, const LayoutBoxModelObject* ancestor) const
{
FloatQuad result;
if (!hasFixedPositionStep() && !hasTransformStep() && !hasNonUniformStep() && (!ancestor || (m_mapping.size() && ancestor == m_mapping[0].m_layoutObject))) {
result = rect;
result.move(m_accumulatedOffset);
} else {
TransformState transformState(TransformState::ApplyTransformDirection, rect.center(), rect);
mapToAncestor(transformState, ancestor);
result = transformState.lastPlanarQuad();
}
#if ENABLE(ASSERT)
if (m_mapping.size() > 0) {
const LayoutObject* lastLayoutObject = m_mapping.last().m_layoutObject;
FloatRect layoutObjectMappedResult = lastLayoutObject->localToAncestorQuad(rect, ancestor, m_mapCoordinatesFlags).boundingBox();
// Inspector creates layoutObjects with negative width <https://bugs.webkit.org/show_bug.cgi?id=87194>.
// Taking FloatQuad bounds avoids spurious assertions because of that.
ASSERT(enclosingIntRect(layoutObjectMappedResult) == enclosingIntRect(result.boundingBox())
|| layoutObjectMappedResult.mayNotHaveExactIntRectRepresentation()
|| result.boundingBox().mayNotHaveExactIntRectRepresentation());
}
#endif
return result;
}
bool DockTabMotherWidget::getInsertionDirection(const QPoint &pos, QWidget *widget, Direction dockDir, InsertionDirection &insertDir)
{
auto insertionFromAbsoluteDir = [dockDir](Direction absDir)->InsertionDirection
{
switch (dockDir)
{
default:
case Left:
switch (absDir)
{
default:
case Left:
return PreviousSplitter;
case Right:
return NextSplitter;
case Top:
return Previous;
case Bottom:
return Next;
}
case Right:
switch (absDir)
{
default:
case Left:
return NextSplitter;
case Right:
return PreviousSplitter;
case Top:
return Previous;
case Bottom:
return Next;
}
case Top:
switch (absDir)
{
default:
case Left:
return Previous;
case Right:
return Next;
case Top:
return PreviousSplitter;
case Bottom:
return NextSplitter;
}
case Bottom:
switch (absDir)
{
default:
case Left:
return Previous;
case Right:
return Next;
case Top:
return NextSplitter;
case Bottom:
return PreviousSplitter;
}
}
};
auto isInInsertDist = [this](int x, int border)->bool
{
return border - insertDistance() <= x && x < border + insertDistance();
};
QRect rect = widget->rect();
rect.moveTopLeft(mapToAncestor(this, widget, rect.topLeft()));
int left = rect.left();
int rightEnd = rect.left() + rect.width();
int top = rect.top();
int bottomEnd = rect.top() + rect.height();
int x = pos.x();
int y = pos.y();
if (left <= x && x < rightEnd)
{
if (isInInsertDist(top, y))
{
insertDir = insertionFromAbsoluteDir(Top);
return true;
}
if (isInInsertDist(bottomEnd, y))
{
insertDir = insertionFromAbsoluteDir(Bottom);
return true;
}
}
if (top <= y && y < bottomEnd)
{
if (isInInsertDist(left, x))
{
insertDir = insertionFromAbsoluteDir(Left);
return true;
}
if (isInInsertDist(rightEnd, x))
{
insertDir = insertionFromAbsoluteDir(Right);
return true;
}
}
return false;
}
