-bool Header::accept_drag() const
-{
- // Check all the drag items share a common owner
- RowItemOwner *item_owner = nullptr;
- for (shared_ptr<RowItem> r : view_)
- if (r->dragging()) {
- if (!item_owner)
- item_owner = r->owner();
- else if(item_owner != r->owner())
- return false;
- }
-
- return item_owner;
-}
-
-void Header::drag_items(const QPoint &delta)
-{
- RowItemOwner *item_owner = nullptr;
- for (std::shared_ptr<RowItem> r : view_)
- if (r->dragging()) {
- item_owner = r->owner();
- r->drag_by(delta);
-
- // Ensure the trace is selected
- r->select();
- }
-
- item_owner->restack_items();
- for (const auto &r : *item_owner)
- r->animate_to_layout_v_offset();
- signals_moved();
-}
-