InlineBox* RootInlineBox::closestLeafChildForXPos(int x, bool onlyEditableLeaves)
{
InlineBox* firstLeaf = firstLeafChild();
InlineBox* lastLeaf = lastLeafChild();
if (firstLeaf == lastLeaf && (!onlyEditableLeaves || isEditableLeaf(firstLeaf)))
return firstLeaf;
// Avoid returning a list marker when possible.
if (x <= firstLeaf->m_x && !firstLeaf->renderer()->isListMarker() && (!onlyEditableLeaves || isEditableLeaf(firstLeaf)))
// The x coordinate is less or equal to left edge of the firstLeaf.
// Return it.
return firstLeaf;
if (x >= lastLeaf->m_x + lastLeaf->m_width && !lastLeaf->renderer()->isListMarker() && (!onlyEditableLeaves || isEditableLeaf(lastLeaf)))
// The x coordinate is greater or equal to right edge of the lastLeaf.
// Return it.
return lastLeaf;
InlineBox* closestLeaf = 0;
for (InlineBox* leaf = firstLeaf; leaf; leaf = leaf->nextLeafChild()) {
if (!leaf->renderer()->isListMarker() && (!onlyEditableLeaves || isEditableLeaf(leaf))) {
closestLeaf = leaf;
if (x < leaf->m_x + leaf->m_width)
// The x coordinate is less than the right edge of the box.
// Return it.
return leaf;
}
}
return closestLeaf ? closestLeaf : lastLeaf;
}
InlineBox* RootInlineBox::lastSelectedBox()
{
for (InlineBox* box = lastLeafChild(); box; box = box->prevLeafChild()) {
if (box->selectionState() != RenderObject::SelectionNone)
return box;
}
return 0;
}
InlineBox* SVGRootInlineBox::closestLeafChildForPosition(const IntPoint& point)
{
InlineBox* firstLeaf = firstLeafChild();
InlineBox* lastLeaf = lastLeafChild();
if (firstLeaf == lastLeaf)
return firstLeaf;
// FIXME: Check for vertical text!
InlineBox* closestLeaf = 0;
for (InlineBox* leaf = firstLeaf; leaf; leaf = leaf->nextLeafChild()) {
if (point.y() < leaf->m_y)
continue;
if (point.y() > leaf->m_y + leaf->virtualLogicalHeight())
continue;
closestLeaf = leaf;
if (point.x() < leaf->m_x + leaf->m_logicalWidth)
return leaf;
}
return closestLeaf ? closestLeaf : lastLeaf;
}
InlineBox* RootInlineBox::closestLeafChildForLogicalLeftPosition(int leftPosition, bool onlyEditableLeaves)
{
InlineBox* firstLeaf = firstLeafChild();
InlineBox* lastLeaf = lastLeafChild();
if (firstLeaf != lastLeaf) {
if (firstLeaf->isLineBreak())
firstLeaf = firstLeaf->nextLeafChildIgnoringLineBreak();
else if (lastLeaf->isLineBreak())
lastLeaf = lastLeaf->prevLeafChildIgnoringLineBreak();
}
if (firstLeaf == lastLeaf && (!onlyEditableLeaves || isEditableLeaf(firstLeaf)))
return firstLeaf;
// Avoid returning a list marker when possible.
if (leftPosition <= firstLeaf->logicalLeft() && !firstLeaf->renderer().isListMarker() && (!onlyEditableLeaves || isEditableLeaf(firstLeaf)))
// The leftPosition coordinate is less or equal to left edge of the firstLeaf.
// Return it.
return firstLeaf;
if (leftPosition >= lastLeaf->logicalRight() && !lastLeaf->renderer().isListMarker() && (!onlyEditableLeaves || isEditableLeaf(lastLeaf)))
// The leftPosition coordinate is greater or equal to right edge of the lastLeaf.
// Return it.
return lastLeaf;
InlineBox* closestLeaf = 0;
for (InlineBox* leaf = firstLeaf; leaf; leaf = leaf->nextLeafChildIgnoringLineBreak()) {
if (!leaf->renderer().isListMarker() && (!onlyEditableLeaves || isEditableLeaf(leaf))) {
closestLeaf = leaf;
if (leftPosition < leaf->logicalRight())
// The x coordinate is less than the right edge of the box.
// Return it.
return leaf;
}
}
return closestLeaf ? closestLeaf : lastLeaf;
}
InlineBox* SVGRootInlineBox::closestLeafChildForPosition(const LayoutPoint& point)
{
InlineBox* firstLeaf = firstLeafChild();
InlineBox* lastLeaf = lastLeafChild();
if (firstLeaf == lastLeaf)
return firstLeaf;
// FIXME: Check for vertical text!
InlineBox* closestLeaf = nullptr;
for (InlineBox* leaf = firstLeaf; leaf; leaf = leaf->nextLeafChild()) {
if (!leaf->isSVGInlineTextBox())
continue;
if (point.y() < leaf->y())
continue;
if (point.y() > leaf->y() + leaf->virtualLogicalHeight())
continue;
closestLeaf = leaf;
if (point.x() < leaf->left() + leaf->logicalWidth())
return leaf;
}
return closestLeaf ? closestLeaf : lastLeaf;
}
