diff options
Diffstat (limited to 'src/Fl_Tree.cxx')
| -rw-r--r-- | src/Fl_Tree.cxx | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/Fl_Tree.cxx b/src/Fl_Tree.cxx index e946ccaf5..4c3a99b14 100644 --- a/src/Fl_Tree.cxx +++ b/src/Fl_Tree.cxx @@ -347,6 +347,19 @@ int Fl_Tree::deselect_all(Fl_Tree_Item *item) { return(count); } +/// Select item and all its children. +/// If item is NULL, root() is used. +/// Handles calling redraw() if anything was changed. +/// Returns count of how many items were in the 'deselected' state, +/// ie. how many items were "changed". +/// +int Fl_Tree::select_all(Fl_Tree_Item *item) { + item = item ? item : root(); // NULL? use root() + int count = item->select_all(); + if ( count ) redraw(); // anything changed? cause redraw + return(count); +} + /// Select only this item. /// If item is NULL, root() is used. /// Handles calling redraw() if anything was changed. |