File: glib-gnodes.ads

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-----------------------------------------------------------------------
--               GtkAda - Ada95 binding for Gtk+/Gnome               --
--                                                                   --
--   Copyright (C) 1998-2000 E. Briot, J. Brobecker and A. Charlet   --
--                Copyright (C) 2000-2001 ACT-Europe                 --
--                                                                   --
-- This library is free software; you can redistribute it and/or     --
-- modify it under the terms of the GNU General Public               --
-- License as published by the Free Software Foundation; either      --
-- version 2 of the License, or (at your option) any later version.  --
--                                                                   --
-- This library is distributed in the hope that it will be useful,   --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of    --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU --
-- General Public License for more details.                          --
--                                                                   --
-- You should have received a copy of the GNU General Public         --
-- License along with this library; if not, write to the             --
-- Free Software Foundation, Inc., 59 Temple Place - Suite 330,      --
-- Boston, MA 02111-1307, USA.                                       --
--                                                                   --
-- As a special exception, if other files instantiate generics from  --
-- this unit, or you link this unit with other files to produce an   --
-- executable, this  unit  does not  by itself cause  the resulting  --
-- executable to be covered by the GNU General Public License. This  --
-- exception does not however invalidate any other reasons why the   --
-- executable file  might be covered by the  GNU Public License.     --
-----------------------------------------------------------------------

with Glib.Enums; use Glib.Enums;

package Glib.Gnodes is

   type Gnode is new C_Proxy;

   --  pop_allocator
   --  push_allocator

   function Child_Position (Node  : in Gnode; Child : in Gnode) return Gint;

   function Depth (Node : in Gnode) return Guint;

   procedure Destroy (Node : in out Gnode);

   function First_Child (Node : in Gnode) return Gnode;

   function First_Sibling (Node : in Gnode) return Gnode;

   function Get_Root (Node : in Gnode) return Gnode;

   procedure Insert
     (Parent   : in out Gnode;
      Position : in     Gint;
      Node     : in out Gnode);

   procedure Insert_Before
     (Parent  : in out Gnode;
      Sibling : in out Gnode;
      Node    : in out Gnode);

   function Is_Ancestor
     (Node       : in Gnode;
      Descendant : in Gnode) return Boolean;

   function Is_Leaf (Node : in Gnode) return Boolean;

   function Is_Root (Node : in Gnode) return Boolean;

   function Last_Child (Node : in Gnode) return Gnode;

   function Last_Sibling (Node : in Gnode) return Gnode;

   function Max_Height (Root : in Gnode) return Guint;

   function N_Nodes
     (Root  : in Gnode; Flags : in Glib_Traverse_Flags) return Guint;

   function Next_Sibling (Node : in Gnode) return Gnode;

   function Nth_Child (Node : in Gnode; N : in Guint) return Gnode;

   procedure Prepend (Parent : in out Gnode; Node : in out Gnode);

   function Prev_Sibling (Node : in Gnode) return Gnode;

   procedure Reverse_Children (Node : in out Gnode);

   procedure Unlink (Node : in out Gnode);

   generic
      type Element (<>) is private;
      type Element_Access is access all Element;
   package Gnode_Data is

      --  type Gnode_Traverse_Func
      --  type Gnode_Foreach_Func

      --  child_index
      --  children_foreach
      --  find
      --  find_child

      procedure Glib_New (Node : out Gnode; Data : in Element_Access);

      --  traverse
   end Gnode_Data;

private
   pragma Import (C, Child_Position, "g_node_child_position");
   pragma Import (C, Depth, "g_node_depth");
   pragma Import (C, First_Child, "ada_gnode_first_child");
   pragma Import (C, First_Sibling, "g_node_first_sibling");
   pragma Import (C, Get_Root, "g_node_get_root");
   pragma Import (C, Insert, "g_node_insert");
   pragma Import (C, Insert_Before, "g_node_insert_before");
   pragma Import (C, Last_Child, "g_node_last_child");
   pragma Import (C, Last_Sibling, "g_node_last_sibling");
   pragma Import (C, Max_Height, "g_node_max_height");
   pragma Import (C, Next_Sibling, "ada_gnode_next_sibling");
   pragma Import (C, Nth_Child, "g_node_nth_child");
   pragma Import (C, Prepend, "g_node_prepend");
   pragma Import (C, Prev_Sibling, "ada_gnode_prev_sibling");
   pragma Import (C, Reverse_Children, "g_node_reverse_children");
   pragma Import (C, Unlink, "g_node_unlink");
end Glib.Gnodes;