File: gtk-status_bar.adb

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-----------------------------------------------------------------------
--               GtkAda - Ada95 binding for Gtk+/Gnome               --
--                                                                   --
--   Copyright (C) 1998-2000 E. Briot, J. Brobecker and A. Charlet   --
--                 Copyright (C) 2000-2006, AdaCore                  --
--                                                                   --
-- 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.                                       --
--                                                                   --
-----------------------------------------------------------------------

with Unchecked_Conversion;

package body Gtk.Status_Bar is

   -------------
   -- Convert --
   -------------

   function Convert (Msg : Status_Bar_Msg) return System.Address is
   begin
      return Msg'Address;
      --  This function is anyway not supposed to be used
   end Convert;

   function Convert (Msg : System.Address) return Status_Bar_Msg is
      type Status_Bar_Msg_Access is access all Status_Bar_Msg;
      function Internal is new
        Unchecked_Conversion (System.Address, Status_Bar_Msg_Access);
   begin
      return Internal (Msg).all;
   end Convert;

   -------------
   -- Gtk_New --
   -------------

   procedure Gtk_New (Statusbar : out Gtk_Status_Bar) is
   begin
      Statusbar := new Gtk_Status_Bar_Record;
      Gtk.Status_Bar.Initialize (Statusbar);
   end Gtk_New;

   --------------------
   -- Get_Context_Id --
   --------------------

   function Get_Context_Id
     (Statusbar           : access Gtk_Status_Bar_Record;
      Context_Description : String) return Context_Id
   is
      function Internal
        (Statusbar           : System.Address;
         Context_Description : String) return Context_Id;
      pragma Import (C, Internal, "gtk_statusbar_get_context_id");

   begin
      return Internal
        (Get_Object (Statusbar), Context_Description & ASCII.NUL);
   end Get_Context_Id;

   -------------------------
   -- Get_Has_Resize_Grip --
   -------------------------

   function Get_Has_Resize_Grip
     (Statusbar : access Gtk_Status_Bar_Record) return Boolean
   is
      function Internal (Statusbar : System.Address) return Gboolean;
      pragma Import (C, Internal, "gtk_statusbar_get_has_resize_grip");

   begin
      return Internal (Get_Object (Statusbar)) /= 0;
   end Get_Has_Resize_Grip;

   ------------------
   -- Get_Messages --
   ------------------

   function Get_Messages
     (Statusbar : access Gtk_Status_Bar_Record) return Messages_List.GSlist
   is
      function Internal (Statusbar : System.Address) return System.Address;
      pragma Import (C, Internal, "ada_status_get_messages");

      List : Messages_List.GSlist;

   begin
      Messages_List.Set_Object (List, Internal (Get_Object (Statusbar)));
      return List;
   end Get_Messages;

   ----------------
   -- Initialize --
   ----------------

   procedure Initialize (Statusbar : access Gtk_Status_Bar_Record'Class) is
      function Internal return System.Address;
      pragma Import (C, Internal, "gtk_statusbar_new");

   begin
      Set_Object (Statusbar, Internal);
   end Initialize;

   ----------
   -- Push --
   ----------

   function Push
     (Statusbar : access Gtk_Status_Bar_Record;
      Context   : Context_Id;
      Text      : UTF8_String) return Message_Id
   is
      function Internal
        (Statusbar : System.Address;
         Context   : Context_Id;
         Text      : UTF8_String) return Message_Id;
      pragma Import (C, Internal, "gtk_statusbar_push");

   begin
      return Internal (Get_Object (Statusbar), Context, Text & ASCII.NUL);
   end Push;

   ---------
   -- Pop --
   ---------

   procedure Pop
     (Statusbar : access Gtk_Status_Bar_Record;
      Context   : Context_Id)
   is
      procedure Internal (Statusbar : System.Address; Context : Context_Id);
      pragma Import (C, Internal, "gtk_statusbar_pop");

   begin
      Internal (Get_Object (Statusbar), Context);
   end Pop;

   ------------
   -- Remove --
   ------------

   procedure Remove
     (Statusbar : access Gtk_Status_Bar_Record;
      Context   : Context_Id;
      Message   : Message_Id)
   is
      procedure Internal
        (Statusbar : System.Address;
         Context   : Context_Id;
         Message   : Message_Id);
      pragma Import (C, Internal, "gtk_statusbar_remove");

   begin
      Internal (Get_Object (Statusbar), Context, Message);
   end Remove;

   -------------------------
   -- Set_Has_Resize_Grip --
   -------------------------

   procedure Set_Has_Resize_Grip
     (Statusbar  : access Gtk_Status_Bar_Record;
      Setting    : Boolean)
   is
      procedure Internal
        (Statusbar : System.Address;
         Setting   : Gboolean);
      pragma Import (C, Internal, "gtk_statusbar_set_has_resize_grip");

   begin
      Internal (Get_Object (Statusbar), Boolean'Pos (Setting));
   end Set_Has_Resize_Grip;

end Gtk.Status_Bar;