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-------------------------------------------------------------------------------
-- --
-- Ada Interface to the X Window System and Motif(tm)/Lesstif --
-- Copyright (c) 1996-2000 Hans-Frieder Vogt --
-- --
-- This program 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 program 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 program; if not, write to the --
-- Free Software Foundation, Inc., --
-- 59 Temple Place - Suite 330, --
-- Boston, MA 02111-1307, USA. --
-- --
-- --
-- X Window System is copyrighted by the X Consortium --
-- Motif(tm) is copyrighted by the Open Software Foundation, Inc. --
-- --
-- --
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
--
-- HISTORY:
-- June 20, 1998 begin of history
-- 29 Feb 2000 I didn't think it was possible, but there was a Y2K
-- bug in this example!!!
--
-------------------------------------------------------------------------------
with System, X_Toolkit, Xm_Widgets.Primitive.Label, Text_Io;
package body Dig_Clock_Global is
use X_Toolkit, Xm_Widgets;
type Time_T is new Long_Integer;
type Time_T_Ptr is access all Time_T;
Null_Time_T_Ptr : constant Time_T_Ptr := null;
type Tm is record
Tm_SEC : Integer;
Tm_MIN : Integer;
Tm_HOUR : Integer;
Tm_MDAY : Integer;
Tm_MON : Integer;
Tm_YEAR : Integer;
Tm_WDAY : Integer;
Tm_YDAY : Integer;
Tm_ISDST : Integer;
Tm_GMT_Off : Long_Integer; -- needed by glibc 2.1.3
Tm_Zone : System.Address; -- needed by glibc 2.1.3
end record;
pragma Convention (C, Tm);
type Tm_Ptr is access Tm;
function Time (TP : in Time_T_Ptr := Null_Time_T_Ptr) return Time_T;
pragma Import (C, Time, External_Name => "time");
function Localtime (TP : in Time_T_Ptr) return Tm_Ptr;
pragma Import (C, Localtime, External_Name => "localtime");
package Int_IO is new Text_IO.Integer_IO (Integer);
subtype String5 is String (1 .. 5);
Month_Array : constant array (1 .. 12) of String5
:= (" Jan ", " Feb ", " Mar ", " Apr ", " May ", " Jun ",
" Jul ", " Aug ", " Sep ", " Oct ", " Nov ", " Dec ");
procedure Timeout_CB (Client_Data : in Xt_Pointer;
ID : in out Interval_ID) is
Clock : aliased Time_T;
The_Time : Tm_Ptr;
STR_H, STR_M, STR_S, STR_DA : String (1 .. 2);
Str_D, STR_DST : String (1 .. 3);
Str_Y : String (1 .. 4);
XMS : Xm_String;
Args : Arg_List;
begin
if ID /= Null_Interval_ID or else Timer_ID = Null_Interval_ID then
Timer_ID := Xt_App_Add_Time_Out (App_Con, 500, Timeout_CB'Access, Client_Data);
end if;
Clock := Time;
The_Time := Localtime (Clock'Unchecked_Access);
Int_Io.Put (Str_H, The_Time.Tm_Hour);
if (The_Time.Tm_Hour < 10) then
Str_H (1) := '0';
end if;
Int_Io.Put (Str_M, The_Time.Tm_Min);
if (The_Time.Tm_Min < 10) then
Str_M (1) := '0';
end if;
Int_Io.Put (Str_S, The_Time.Tm_Sec);
if (The_Time.Tm_SEC < 10) then
Str_S (1) := '0';
end if;
case The_Time.Tm_Wday is
when 0 =>
Str_D := "Sun";
when 1 =>
Str_D := "Mon";
when 2 =>
Str_D := "Tue";
when 3 =>
Str_D := "Wed";
when 4 =>
Str_D := "Thu";
when 5 =>
Str_D := "Fri";
when 6 =>
Str_D := "Sat";
when others =>
Str_D := "???";
end case;
Int_Io.Put (Str_Da, The_Time.Tm_Mday);
if (The_Time.Tm_Mday < 10) then
Str_Da (1) := '0';
end if;
Int_Io.Put (Str_Y, The_Time.Tm_Year + 1900);
if (The_Time.Tm_ISDST > 0) then
STR_DST := "DST";
else
STR_DST := " ";
end if;
Xms := Xm_String_Create_L_To_R (STR_D & ", " &
STR_DA & Month_Array (The_Time.Tm_Mon+1) & STR_Y & " "
& STR_H & ":" & STR_M & ":" & STR_S & " " & STR_DST);
Args := Null_Arg_List;
Append_Set (Args, Xm_Widgets.Primitive.Label.Xm_N_Label_String, Xms);
Xt_Set_Values (To_Widget (Client_Data), Args);
Xm_String_Free (Xms);
end Timeout_CB;
end Dig_Clock_Global;
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