(*
    Copyright 2021 Anton Krotov

    This file is part of CEdit.

    CEdit 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 3 of the License, or
    (at your option) any later version.

    CEdit 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 CEdit. If not, see <http://www.gnu.org/licenses/>.
*)

MODULE Timer;

IMPORT SYSTEM, K := KolibriOS, KOSAPI, Ini;

VAR
	stack: ARRAY 1024*64 OF INTEGER;
	ID*, n*, time, cnt: INTEGER;
	enabled: BOOLEAN;
	msg: ARRAY 3 OF INTEGER;


PROCEDURE kill*;
BEGIN
	enabled := FALSE;
	INC(n)
END kill;


PROCEDURE [stdcall] main (mainTID: INTEGER);
CONST
	step = 5;
BEGIN
	msg[0] := ID;
	msg[1] := 12;
	WHILE TRUE DO
		K.Pause(step);
		IF KOSAPI.sysfunc3(18, 21, mainTID) = 0 THEN
			ID := 0;
			K.Exit
		END;
		IF enabled THEN
			DEC(cnt, step);
			IF cnt <= 0 THEN
				K.SendIPC(mainTID, msg);
				cnt := time
			END
		END
	END
END main;


PROCEDURE create* (mainTID: INTEGER);
BEGIN
	time := Ini.blink;
	cnt := time;
	enabled := TRUE;
	IF ID = 0 THEN
		stack[LEN(stack) - 1] := mainTID;
		ID := K.CreateThread(SYSTEM.ADR(main), stack)
	ELSE
		INC(n);
		msg[2] := n
	END
END create;


BEGIN
	ID := 0;
	msg[2] := 0;
	n := 0;
END Timer.