lazarus/components/mouseandkeyinput/winkeyinput.pas
2017-01-29 21:04:32 +00:00

74 lines
1.6 KiB
ObjectPascal

{ WinKeyInput
Copyright (C) 2008 Tom Gregorovic
This source 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 code 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.
A copy of the GNU General Public License is available on the World Wide Web at
<http://www.gnu.org/copyleft/gpl.html>. You can also obtain it by writing to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA.
}
unit WinKeyInput;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, Controls, Forms,
Windows, JwaWinUser,
KeyInputIntf;
type
{ TWinKeyInput }
TWinKeyInput = class(TKeyInput)
protected
procedure DoDown(Key: Word); override;
procedure DoUp(Key: Word); override;
end;
function InitializeKeyInput: TKeyInput;
implementation
function InitializeKeyInput: TKeyInput;
begin
Result := TWinKeyInput.Create;
end;
procedure SendKeyInput(Flag: DWORD; Key: Word);
var
Input: TInput;
begin
FillChar(Input, SizeOf(Input), 0);
Input.type_ := INPUT_KEYBOARD;
Input.ki.dwFlags := Flag;
Input.ki.wVk := Key;
SendInput(1, @Input, SizeOf(Input));
end;
{ TWinKeyInput }
procedure TWinKeyInput.DoDown(Key: Word);
begin
SendKeyInput(0, Key);
end;
procedure TWinKeyInput.DoUp(Key: Word);
begin
SendKeyInput(KEYEVENTF_KEYUP, Key);
end;
end.