Small fixed to SebHoll's user_data() mods (init + copy ctor),

added select_all() to Fl_Tree and Fl_Tree_Item.



git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6957 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_Tree.H

@@ -415,6 +415,7 @@ public:
   
   int deselect_all(Fl_Tree_Item *item=0);
   int select_only(Fl_Tree_Item *selitem);
+    int select_all(Fl_Tree_Item *item=0);
   
   /// See if the specified item is selected.
   /// \return

FL/Fl_Tree_Item.H

@@ -221,6 +221,21 @@ public:
       select();		// select if deselected
     }
   }
+  /// Select self and all children
+  ///     Returns count of how many items were in the 'deselected' state,
+  ///     ie. how many items were "changed".
+  ///
+  int select_all() {
+    int count = 0;
+    if ( ! is_selected() ) {
+      select();
+      ++count;
+    }
+    for ( int t=0; t<children(); t++ ) {
+      count += child(t)->select_all();
+    }
+    return(count);
+  }
   /// Disable the item's selection state.
   void deselect() {
     _selected = 0;

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.

src/Fl_Tree_Item.cxx

@@ -64,6 +64,7 @@ Fl_Tree_Item::Fl_Tree_Item(const Fl_Tree_Prefs &prefs) {
   _label_xywh[2]    = 0;
   _label_xywh[3]    = 0;
   _usericon         = 0;
+  _userdata         = 0;
   _parent           = 0;
 }
 
@@ -103,7 +104,7 @@ Fl_Tree_Item::Fl_Tree_Item(const Fl_Tree_Item *o) {
   _label_xywh[2]    = o->_label_xywh[2];
   _label_xywh[3]    = o->_label_xywh[3];
   _usericon         = o->usericon();
-  _userdata         = 0;
+  _userdata         = o->user_data();
   _parent           = o->_parent;
 }