release/src/router/libncurses/Ada95/src/terminal_interface-curses-putwin.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                           GNAT ncurses Binding                           --
   4 --                                                                          --
   5 --                    Terminal_Interface.Curses.PutWin                      --
   6 --                                                                          --
   7 --                                 B O D Y                                  --
   8 --                                                                          --
   9 ------------------------------------------------------------------------------
  10 -- Copyright (c) 2000 Free Software Foundation, Inc.                        --
  11 --                                                                          --
  12 -- Permission is hereby granted, free of charge, to any person obtaining a  --
  13 -- copy of this software and associated documentation files (the            --
  14 -- "Software"), to deal in the Software without restriction, including      --
  15 -- without limitation the rights to use, copy, modify, merge, publish,      --
  16 -- distribute, distribute with modifications, sublicense, and/or sell       --
  17 -- copies of the Software, and to permit persons to whom the Software is    --
  18 -- furnished to do so, subject to the following conditions:                 --
  19 --                                                                          --
  20 -- The above copyright notice and this permission notice shall be included  --
  21 -- in all copies or substantial portions of the Software.                   --
  22 --                                                                          --
  23 -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  --
  24 -- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               --
  25 -- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   --
  26 -- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   --
  27 -- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    --
  28 -- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    --
  29 -- THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               --
  30 --                                                                          --
  31 -- Except as contained in this notice, the name(s) of the above copyright   --
  32 -- holders shall not be used in advertising or otherwise to promote the     --
  33 -- sale, use or other dealings in this Software without prior written       --
  34 -- authorization.                                                           --
  35 ------------------------------------------------------------------------------
  36 --  Author:  Juergen Pfeifer, 1996
  37 --  Version Control:
  38 --  $Revision: 1.3 $
  39 --  Binding Version 01.00
  40
  41 with Ada.Streams.Stream_IO.C_Streams;
  42 with Interfaces.C_Streams;
  43 with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux;
  44
  45 package body Terminal_Interface.Curses.PutWin is
  46
  47    package ICS renames Interfaces.C_Streams;
  48    package ACS renames Ada.Streams.Stream_IO.C_Streams;
  49    use type C_Int;
  50
  51    procedure Put_Window (Win  : Window;
  52                          File : Ada.Streams.Stream_IO.File_Type) is
  53       function putwin (Win : Window; f : ICS.FILEs) return C_Int;
  54       pragma Import (C, putwin, "putwin");
  55
  56       R : constant C_Int := putwin (Win, ACS.C_Stream (File));
  57    begin
  58       if R /= Curses_Ok then
  59          raise Curses_Exception;
  60       end if;
  61    end Put_Window;
  62
  63    function Get_Window (File : Ada.Streams.Stream_IO.File_Type)
  64                         return Window is
  65       function getwin (f : ICS.FILEs) return Window;
  66       pragma Import (C, getwin, "getwin");
  67
  68       W : constant Window := getwin (ACS.C_Stream (File));
  69    begin
  70       if W = Null_Window then
  71          raise Curses_Exception;
  72       else
  73          return W;
  74       end if;
  75    end Get_Window;
  76
  77 end Terminal_Interface.Curses.PutWin;