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https://gitlab.com/freepascal.org/lazarus/lazarus.git
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128 lines
3.1 KiB
ObjectPascal
128 lines
3.1 KiB
ObjectPascal
{ WinMouseInput
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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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA.
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}
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unit WinMouseInput;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, Controls, Forms,
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Windows, JwaWinUser,
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MouseInputIntf;
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type
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{ TWinMouseInput }
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TWinMouseInput = class(TMouseInput)
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protected
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procedure DoDown(Button: TMouseButton); override;
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procedure DoMove(ScreenX, ScreenY: Integer); override;
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procedure DoUp(Button: TMouseButton); override;
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procedure DoScrollUp; override;
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procedure DoScrollDown; override;
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end;
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function InitializeMouseInput: TMouseInput;
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implementation
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function InitializeMouseInput: TMouseInput;
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begin
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Result := TWinMouseInput.Create;
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end;
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procedure SendMouseInput(Flag: DWORD; MouseData: DWORD = 0);
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var
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Input: TInput;
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begin
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{$IFDEF VER2_6}
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FillChar(Input, SizeOf(Input), 0);
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{$ELSE}
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Input := Default(TInput);
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{$ENDIF}
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Input.mi.mouseData := MouseData;
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Input.type_ := INPUT_MOUSE;
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Input.mi.dwFlags := Flag;
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SendInput(1, @Input, SizeOf(Input));
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end;
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procedure SendMouseInput(Flag: DWORD; X, Y: Integer);
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var
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Input: TInput;
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begin
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{$IFDEF VER2_6}
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FillChar(Input, SizeOf(Input), 0);
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{$ELSE}
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Input := Default(TInput);
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{$ENDIF}
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Input.type_ := INPUT_MOUSE;
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Input.mi.dx := MulDiv(X, 65535, Screen.Width - 1); // screen horizontal coordinates: 0 - 65535
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Input.mi.dy := MulDiv(Y, 65535, Screen.Height - 1); // screen vertical coordinates: 0 - 65535
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Input.mi.dwFlags := Flag or MOUSEEVENTF_ABSOLUTE;
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SendInput(1, @Input, SizeOf(Input));
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end;
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{ TWinMouseInput }
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procedure TWinMouseInput.DoDown(Button: TMouseButton);
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var
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Flag: DWORD;
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begin
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case Button of
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mbRight: Flag := MOUSEEVENTF_RIGHTDOWN;
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mbMiddle: Flag := MOUSEEVENTF_MIDDLEDOWN;
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else
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Flag := MOUSEEVENTF_LEFTDOWN;
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end;
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SendMouseInput(Flag);
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end;
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procedure TWinMouseInput.DoMove(ScreenX, ScreenY: Integer);
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begin
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SendMouseInput(MOUSEEVENTF_MOVE, ScreenX, ScreenY);
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end;
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procedure TWinMouseInput.DoUp(Button: TMouseButton);
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var
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Flag: DWORD;
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begin
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case Button of
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mbRight: Flag := MOUSEEVENTF_RIGHTUP;
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mbMiddle: Flag := MOUSEEVENTF_MIDDLEUP;
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else
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Flag := MOUSEEVENTF_LEFTUP;
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end;
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SendMouseInput(Flag);
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end;
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procedure TWinMouseInput.DoScrollUp;
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begin
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SendMouseInput(MOUSEEVENTF_WHEEL, WHEEL_DELTA);
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end;
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procedure TWinMouseInput.DoScrollDown;
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begin
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SendMouseInput(MOUSEEVENTF_WHEEL, DWORD(-WHEEL_DELTA));
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end;
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end.
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