File: gtk-ruler.adb

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-----------------------------------------------------------------------
--               GtkAda - Ada95 binding for Gtk+/Gnome               --
--                                                                   --
--   Copyright (C) 1998-2000 E. Briot, J. Brobecker and A. Charlet   --
--                Copyright (C) 2000-2001 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.                                       --
--                                                                   --
-----------------------------------------------------------------------

with System;

package body Gtk.Ruler is

   --------------
   -- Draw_Pos --
   --------------

   procedure Draw_Pos (Ruler : access Gtk_Ruler_Record) is
      procedure Internal (Ruler : System.Address);
      pragma Import (C, Internal, "gtk_ruler_draw_pos");

   begin
      Internal (Get_Object (Ruler));
   end Draw_Pos;

   ----------------
   -- Draw_Ticks --
   ----------------

   procedure Draw_Ticks (Ruler : access Gtk_Ruler_Record) is
      procedure Internal (Ruler : System.Address);
      pragma Import (C, Internal, "gtk_ruler_draw_ticks");

   begin
      Internal (Get_Object (Ruler));
   end Draw_Ticks;

   --------------------
   -- Gtk_New_Hruler --
   --------------------

   procedure Gtk_New_Hruler (Ruler : out Gtk_Ruler) is
   begin
      Ruler := new Gtk_Ruler_Record;
      Initialize_Hruler (Ruler);
   end Gtk_New_Hruler;

   --------------------
   -- Gtk_New_Vruler --
   --------------------

   procedure Gtk_New_Vruler (Ruler : out Gtk_Ruler) is
   begin
      Ruler := new Gtk_Ruler_Record;
      Initialize_Vruler (Ruler);
   end Gtk_New_Vruler;

   -----------------------
   -- Initialize_Hruler --
   -----------------------

   procedure Initialize_Hruler (Ruler : access Gtk_Ruler_Record'Class) is
      function Internal return System.Address;
      pragma Import (C, Internal, "gtk_hruler_new");

   begin
      Set_Object (Ruler, Internal);
   end Initialize_Hruler;

   -----------------------
   -- Initialize_Vruler --
   -----------------------

   procedure Initialize_Vruler (Ruler : access Gtk_Ruler_Record'Class) is
      function Internal return System.Address;
      pragma Import (C, Internal, "gtk_vruler_new");

   begin
      Set_Object (Ruler, Internal);
   end Initialize_Vruler;

   ----------------
   -- Set_Metric --
   ----------------

   procedure Set_Metric
     (Ruler  : access Gtk_Ruler_Record;
      Metric : Gtk_Metric_Type)
   is
      procedure Internal (Ruler : System.Address; Metric : Gtk_Metric_Type);
      pragma Import (C, Internal, "gtk_ruler_set_metric");

   begin
      Internal (Get_Object (Ruler), Metric);
   end Set_Metric;

   ----------------
   -- Get_Metric --
   ----------------

   function Get_Metric
     (Ruler  : access Gtk_Ruler_Record) return Gtk_Metric_Type
   is
      function Internal (Ruler : System.Address) return Gtk_Metric_Type;
      pragma Import (C, Internal, "gtk_ruler_get_metric");

   begin
      return Internal (Get_Object (Ruler));
   end Get_Metric;

   ---------------
   -- Set_Range --
   ---------------

   procedure Set_Range
     (Ruler    : access Gtk_Ruler_Record;
      Lower    : Gdouble;
      Upper    : Gdouble;
      Position : Gdouble;
      Max_Size : Gdouble)
   is
      procedure Internal
        (Ruler    : System.Address;
         Lower    : Gdouble;
         Upper    : Gdouble;
         Position : Gdouble;
         Max_Size : Gdouble);
      pragma Import (C, Internal, "gtk_ruler_set_range");

   begin
      Internal (Get_Object (Ruler), Lower, Upper, Position, Max_Size);
   end Set_Range;

   ---------------
   -- Get_Range --
   ---------------

   procedure Get_Range
     (Ruler    : access Gtk_Ruler_Record;
      Lower    : out Gdouble;
      Upper    : out Gdouble;
      Position : out Gdouble;
      Max_Size : out Gdouble)
   is
      procedure Internal
        (Ruler    : System.Address;
         Lower    : out Gdouble;
         Upper    : out Gdouble;
         Position : out Gdouble;
         Max_Size : out Gdouble);
      pragma Import (C, Internal, "gtk_ruler_get_range");

   begin
      Internal (Get_Object (Ruler), Lower, Upper, Position, Max_Size);
   end Get_Range;

end Gtk.Ruler;