ardour/livetrax
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tweak whitespace and add coordinate space comment

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This commit is contained in:
Paul Davis 2013-10-28 12:26:40 -04:00
parent 0db7bdface
commit f25ff95390
1 changed files with 9 additions and 1 deletions
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10
libs/canvas/group.cc
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@ -148,7 +148,9 @@ Group::compute_bounding_box () const
bool have_one = false;
for (list<Item*>::const_iterator i = _items.begin(); i != _items.end(); ++i) {
boost::optional<Rect> item_bbox = (*i)->bounding_box ();
if (!item_bbox) {
continue;
}
@ -285,17 +287,23 @@ Group::child_changed ()
void
Group::add_items_at_point (Duple const point, vector<Item const *>& items) const
{
/* Point is in canvas coordinate system */
boost::optional<Rect> const bbox = bounding_box ();
if (!bbox || !bbox.get().contains (point)) {
return;
}
/* this adds this group itself to the list of items at point */
Item::add_items_at_point (point, items);
/* now recurse and add any items within our group that contain point */
ensure_lut ();
vector<Item*> our_items = _lut->items_at_point (point);
for (vector<Item*>::iterator i = our_items.begin(); i != our_items.end(); ++i) {
(*i)->add_items_at_point (point - (*i)->position(), items);
}