mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
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106 lines
2.8 KiB
ObjectPascal
106 lines
2.8 KiB
ObjectPascal
{
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***************************************************************************
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* *
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* This source is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This code is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* General Public License for more details. *
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* *
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* A copy of the GNU General Public License is available on the World *
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* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
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* obtain it by writing to the Free Software Foundation, *
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* Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA. *
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* *
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***************************************************************************
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Author: Balázs Székely
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}
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unit opkman_timer;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils;
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type
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{ TThreadTimer }
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TThreadTimer = class(TThread)
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private
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FTime: QWORD;
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FInterval: Cardinal;
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FOnTimer: TNotifyEvent;
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FEnabled: Boolean;
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procedure DoOnTimer;
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protected
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procedure Execute; override;
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public
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constructor Create;
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destructor Destroy; override;
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public
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property OnTimer: TNotifyEvent read FOnTimer write FOnTimer;
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property Interval: Cardinal read FInterval write FInterval;
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property Enabled: Boolean read FEnabled write FEnabled;
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procedure StopTimer;
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procedure StartTimer;
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end;
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implementation
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{ TThreadTimer }
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constructor TThreadTimer.Create;
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begin
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inherited Create(True);
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FreeOnTerminate := True;
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FInterval := 1000;
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FEnabled := False;
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end;
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destructor TThreadTimer.Destroy;
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begin
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//
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inherited Destroy;
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end;
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procedure TThreadTimer.DoOnTimer;
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begin
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if Assigned(FOnTimer) then
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FOnTimer(Self);
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end;
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procedure TThreadTimer.Execute;
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begin
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while not Terminated do
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begin
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Sleep(100);
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if (GetTickCount64 - FTime > FInterval) and (FEnabled) then
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begin
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FTime := GetTickCount64;
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DoOnTimer;
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end;
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end;
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end;
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procedure TThreadTimer.StopTimer;
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begin
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FEnabled := False;
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end;
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procedure TThreadTimer.StartTimer;
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begin
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FTime := GetTickCount64;
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FEnabled := True;
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if Self.Suspended then
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Start;
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end;
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end.
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