mod/maxgui.mod/fltkmaxgui.mod/src/Fl_Tree.cxx
void Fl_Tree::set_item_focus(Fl_Tree_Item *item) {
  if ( _item_focus != item ) {		// changed?
    _item_focus = item;			// update
    if ( visible_focus() ) redraw();	// redraw to update focus box
  }
}
/// Set the item that currently should have keyboard focus.
/// Handles calling redraw() to update the focus box (if its visible).
///
/// \param[in] item The item that should take focus. If NULL, none will have focus.
///
Set the item that currently should have keyboard focus.
Handles calling redraw() to update the focus box (if its visible).

\param[in] item The item that should take focus. If NULL, none will have focus.
Set the item that currently should have keyboard focus . Handles calling redraw () to update the focus box ( if its visible ) . \ param [ in ] item The item that should take focus . If NULL none will have focus .
void Fl_Tree::set_item_focus(Fl_Tree_Item *item) {
  if ( _item_focus != item ) {		
    _item_focus = item;			
    if ( visible_focus() ) redraw();	
  }
}
void Fl_Tree :: set_item_focus ( Fl_Tree_Item * item ) { if ( _item_focus != item ) { _item_focus = item ; if ( visible_focus ( ) ) redraw ( ) ; } }
Set the item that currently should have keyboard focus.
Set the item that currently should have keyboard focus .
// changed? // update // redraw to update focus box