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https://gitlab.com/freepascal.org/lazarus/lazarus.git
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96 lines
2.1 KiB
ObjectPascal
96 lines
2.1 KiB
ObjectPascal
{ KeyInputIntf
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Copyright (C) 2008 Tom Gregorovic
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This source is free software; you can redistribute it and/or modify it under the terms of the
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GNU General Public License as published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This code is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
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even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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A copy of the GNU General Public License is available on the World Wide Web at
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<http://www.gnu.org/copyleft/gpl.html>. You can also obtain it by writing to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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}
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unit KeyInputIntf;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, Forms;
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type
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{ TKeyInput }
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TKeyInput = class
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protected
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procedure DoDown(Key: Word); dynamic; abstract;
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procedure DoUp(Key: Word); dynamic; abstract;
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public
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procedure Down(Key: Word);
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procedure Up(Key: Word);
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procedure Press(Key: Word);
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procedure Press(StringValue : String);
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procedure Apply(Shift: TShiftState);
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procedure Unapply(Shift: TShiftState);
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end;
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implementation
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uses LCLType;
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{ TKeyInput }
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procedure TKeyInput.Down(Key: Word);
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begin
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DoDown(Key);
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Application.ProcessMessages;
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end;
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procedure TKeyInput.Up(Key: Word);
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begin
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DoUp(Key);
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Application.ProcessMessages;
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end;
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procedure TKeyInput.Press(Key: Word);
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begin
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Down(Key);
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Up(Key);
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end;
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procedure TKeyInput.Press(StringValue: String);
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var
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i : Integer;
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begin
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i :=1;
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while (i <= Length(StringValue)) do
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begin
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Press(Ord(StringValue[i]));
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Inc(i);
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end;
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end;
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procedure TKeyInput.Apply(Shift: TShiftState);
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begin
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if ssCtrl in Shift then Down(VK_CONTROL);
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if ssAlt in Shift then Down(VK_MENU);
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if ssShift in Shift then Down(VK_SHIFT);
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end;
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procedure TKeyInput.Unapply(Shift: TShiftState);
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begin
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if ssShift in Shift then Up(VK_SHIFT);
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if ssCtrl in Shift then Up(VK_CONTROL);
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if ssAlt in Shift then Up(VK_MENU);
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end;
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end.
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