diff options
Diffstat (limited to 'src/Fl_Tree_Item.cxx')
| -rw-r--r-- | src/Fl_Tree_Item.cxx | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/Fl_Tree_Item.cxx b/src/Fl_Tree_Item.cxx index a5ec92d27..8c68c2518 100644 --- a/src/Fl_Tree_Item.cxx +++ b/src/Fl_Tree_Item.cxx @@ -539,8 +539,11 @@ int Fl_Tree_Item::move(Fl_Tree_Item *item, int op, int pos) { } if ( !from_parent || !to_parent ) return -1; if ( from < 0 || to < 0 ) return -2; - if ( op == 1 ) to++; // 'below'? apply +1 offset for 'to' if ( from_parent == to_parent ) { // same parent? + switch (op) { // 'to' offsets due to scroll + case 0: if ( from < to && to > 0 ) --to; break; + case 1: if ( from > to && to < to_parent->children() ) ++to; break; + } if ( from_parent->move(to, from) < 0 ) // simple move among siblings return -4; } else { // different parent? |