利用热键控制鼠标移动的一个程序

王朝delphi·作者佚名  2006-01-08
窄屏简体版  字體: |||超大  

本程序可以使用热键来将鼠标移动到某一个指定的坐标。是一个定义热键的示例程序。

本程序的热键为小键盘的5,在编辑框内可以指定坐标。

unit MainUnit;

interface

uses

Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,

StdCtrls, Mask;

type

TForm1 = class(TForm)

btnSetHK: TButton;

btnExit: TButton;

GroupBox2: TGroupBox;

Label3: TLabel;

Label4: TLabel;

btnUnsetHK: TButton;

edYPos: TMaskEdit;

edXPos: TMaskEdit;

Memo: TMemo;

procedure btnExitClick(Sender: TObject);

procedure btnSetHKClick(Sender: TObject);

procedure btnUnsetHKClick(Sender: TObject);

procedure OnHotKey(var Message: TWMHOTKEY); message WM_HOTKEY;

procedure FormDestroy(Sender: TObject);

public

{ Public declarations }

end;

var

Form1: TForm1;

const

idHotKey : WORD = 0;

implementation

{$R *.DFM}

procedure TForm1.btnExitClick(Sender: TObject);

begin

Close;

end;

procedure TForm1.btnSetHKClick(Sender: TObject);

begin

if idHotKey<>0 then Exit;

idHotKey := GlobalAddAtom('EmuMouse'); //给热键取得一个唯一的标识

RegisterHotKey(Handle, idHotKey, 0, VK_NUMPAD5); //注册热键

end;

procedure TForm1.OnHotKey(var Message: TWMHOTKEY);

var

Point: TPoint;

X, Y: Word;

begin

GetCursorPos(Point); //取回当前坐标

try

X := StrToInt(edXPos.Text);

Y := StrToInt(edYPos.Text);

except

ShowMessage('坐标输入不正确.');

Exit;

end;

try

Mouse_Event(MOUSEEVENTF_ABSOLUTE+MOUSEEVENTF_LEFTDOWN, Point.X, Point.Y, 0, GetMessageExtraInfo);

SetCursorPos(X, Y);

Mouse_Event(MOUSEEVENTF_ABSOLUTE+MOUSEEVENTF_LEFTUP, X, Y, 0, GetMessageExtraInfo);

except

ShowMessage('Error');

end;

end;

procedure TForm1.btnUnsetHKClick(Sender: TObject);

begin

if idHotKey = 0 then Exit;

UnRegisterHotKey(Handle, idHotKey); //注销热键

DeleteAtom(idHotKey); //注销标识

idHotKey := 0;

end;

procedure TForm1.FormDestroy(Sender: TObject);

begin

btnUnsetHK.Click;

end;

end.

这是dfm文件

object Form1: TForm1

Left = 296

Top = 238

AutoSize = True

BorderStyle = bsDialog

BorderWidth = 8

Caption = '模拟鼠标拖动'

ClientHeight = 265

ClientWidth = 211

Color = clBtnFace

Font.Charset = GB2312_CHARSET

Font.Color = clWindowText

Font.Height = -12

Font.Name = '新宋体'

Font.Style = []

OldCreateOrder = False

OnDestroy = FormDestroy

PixelsPerInch = 96

TextHeight = 12

object btnSetHK: TButton

Left = 136

Top = 8

Width = 75

Height = 25

Caption = '设置热键(&H)'

TabOrder = 0

OnClick = btnSetHKClick

end

object btnExit: TButton

Left = 136

Top = 72

Width = 75

Height = 25

Caption = '退出(&X)'

TabOrder = 2

OnClick = btnExitClick

end

object GroupBox2: TGroupBox

Left = 0

Top = 0

Width = 129

Height = 97

Caption = '目的坐标'

TabOrder = 3

object Label3: TLabel

Left = 16

Top = 29

Width = 6

Height = 12

Caption = 'X'

end

object Label4: TLabel

Left = 16

Top = 61

Width = 6

Height = 12

Caption = 'Y'

end

object edXPos: TMaskEdit

Left = 32

Top = 24

Width = 73

Height = 20

EditMask = '0000;1;_'

MaxLength = 4

TabOrder = 0

Text = '0000'

end

object edYPos: TMaskEdit

Left = 32

Top = 56

Width = 73

Height = 20

EditMask = '0000;1;_'

MaxLength = 4

TabOrder = 1

Text = '0000'

end

end

object btnUnsetHK: TButton

Left = 136

Top = 40

Width = 75

Height = 25

Caption = '取消热键(&U)'

TabOrder = 1

OnClick = btnUnsetHKClick

end

object Memo: TMemo

Left = 0

Top = 104

Width = 209

Height = 161

TabOrder = 4

end

end

 
 
 
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