void RenderImage::caretPos(int offset, int flags, int &_x, int &_y, int &width, int &height) const
{
RenderReplaced::caretPos(offset, flags, _x, _y, width, height);
#if 0 // doesn't work reliably
height = intrinsicHeight();
width = override && offset == 0 ? intrinsicWidth() : 0;
_x = xPos();
_y = yPos();
if (offset > 0) _x += intrinsicWidth();
RenderObject *cb = containingBlock();
int absx, absy;
if (cb && cb != this && cb->absolutePosition(absx,absy))
{
_x += absx;
_y += absy;
} else {
// we don't know our absolute position, and there is no point returning
// just a relative one
_x = _y = -1;
}
#endif
}
VisiblePosition RenderContainer::positionForCoordinates(int _x, int _y)
{
// no children...return this render object's element, if there is one, and offset 0
if (!firstChild())
return VisiblePosition(element(), 0, DOWNSTREAM);
// look for the geometrically-closest child and pass off to that child
int min = INT_MAX;
RenderObject *closestRenderer = 0;
for (RenderObject *renderer = firstChild(); renderer; renderer = renderer->nextSibling()) {
if (!renderer->firstChild() && !renderer->isInline() && !renderer->isBlockFlow())
continue;
int absx, absy;
renderer->absolutePosition(absx, absy);
int top = absy + borderTop() + paddingTop();
int bottom = top + renderer->contentHeight();
int left = absx + borderLeft() + paddingLeft();
int right = left + renderer->contentWidth();
int cmp;
cmp = abs(_y - top); if (cmp < min) { closestRenderer = renderer; min = cmp; }
cmp = abs(_y - bottom); if (cmp < min) { closestRenderer = renderer; min = cmp; }
cmp = abs(_x - left); if (cmp < min) { closestRenderer = renderer; min = cmp; }
cmp = abs(_x - right); if (cmp < min) { closestRenderer = renderer; min = cmp; }
}
if (closestRenderer)
return closestRenderer->positionForCoordinates(_x, _y);
return VisiblePosition(element(), 0, DOWNSTREAM);
}
// I don't like this way of implementing the method, but I didn't find any
// other way. Lars
bool NodeBaseImpl::getUpperLeftCorner(int &xPos, int &yPos) const
{
if (!m_render)
return false;
RenderObject *o = m_render;
o->absolutePosition( xPos, yPos );
if ( !isInline() )
return true;
// find the next text/image child, to get a position
while(o) {
if(o->firstChild())
o = o->firstChild();
else if(o->nextSibling())
o = o->nextSibling();
else {
RenderObject *next = 0;
while(!next) {
o = o->parent();
if(!o) return false;
next = o->nextSibling();
}
o = next;
}
if(o->isText() || o->isReplaced()) {
if (o->isText())
xPos += static_cast<RenderText *>(o)->minXPos();
else
xPos += o->xPos();
yPos += o->yPos();
return true;
}
}
return true;
}
int HTMLImageElement::y() const
{
RenderObject* r = renderer();
if (!r)
return 0;
int x, y;
r->absolutePosition(x, y);
return y;
}
static QRect enclosingPositionedRect (RenderObject *n)
{
RenderObject *enclosingParent = n->containingBlock();
QRect rect(0,0,0,0);
if (enclosingParent) {
int ox, oy;
enclosingParent->absolutePosition(ox, oy);
int off = 0;
if (!enclosingParent->hasOverflowClip()) {
ox += enclosingParent->overflowLeft();
oy += enclosingParent->overflowTop();
}
rect.setX(ox);
rect.setY(oy);
rect.setWidth(enclosingParent->effectiveWidth());
rect.setHeight(enclosingParent->effectiveHeight());
}
return rect;
}
bool NodeBaseImpl::getLowerRightCorner(int &xPos, int &yPos) const
{
if (!m_render)
return false;
RenderObject *o = m_render;
o->absolutePosition( xPos, yPos );
if (!isInline())
{
xPos += o->width();
yPos += o->height();
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;
}
if(o->isText() || o->isReplaced()) {
if (o->isText())
xPos += static_cast<RenderText *>(o)->minXPos() + o->width();
else
xPos += o->xPos()+o->intrinsicWidth();
yPos += o->yPos()+o->height();
return true;
}
}
return true;
}