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сама библа | Код |
library hooks;
uses Windows, Messages, ShellAPI, fmapu in 'fmapu.pas';
const
LIB_VERSION = 3;
CLASS_TrayProc = 'Shell_TrayWnd';
//------------------------------------------------------------------------------
function SysErrorMessage(ErrorCode: Integer): string;
var
Buffer: array[0..255] of Char;
Len: Integer;
begin
Len:= FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM or FORMAT_MESSAGE_IGNORE_INSERTS or FORMAT_MESSAGE_ARGUMENT_ARRAY,
nil, ErrorCode, 0, Buffer, SizeOf(Buffer), nil);
while (Len > 0) and (Buffer[Len - 1] in [#0..#32, '.']) do Dec(Len);
SetString(Result, Buffer, Len);
end;
//------------------------------------------------------------------------------
function HookProc(code: integer; wParam: WPARAM; lParam: LPARAM): integer; stdcall;
var
pt: TSmallPoint;
begin
result:= 0;
if not assigned(fmap) then exit;
if code < 0 then
result:= CallNextHookEx(fmap^.hHook, code, wParam, lParam)
else begin
pt.x:= PMouseHookStruct(lParam)^.pt.x;
pt.y:= PMouseHookStruct(lParam)^.pt.y;
if assigned(fmap) then SendMessage(fmap^.hWnd, wm_user + wParam{wm_mousemsg}, PMouseHookStruct(lParam)^.hWnd, uint(pt));
result:= CallNextHookEx(fmap^.hHook, code, wParam, lParam);
end;
end;
//------------------------------------------------------------------------------
function KbHookProc(code: integer; wParam: WPARAM; lParam: LPARAM): integer; stdcall;
begin
result:= 0;
if not assigned(fmap) then exit;
if code < 0 then
result:= CallNextHookEx(fmap^.hKbHook, code, wParam, lParam)
else begin
SendMessage(fmap^.hWnd, wm_user + wm_keydown, wParam, lParam);
result:= CallNextHookEx(fmap^.hKbHook, code, wParam, lParam);
end;
end;
//------------------------------------------------------------------------------
function TrayHookProc(code: integer; wParam: WPARAM; lParam: LPARAM): integer; stdcall;
var
pInfo: PCWPRETSTRUCT;
pcds: PCOPYDATASTRUCT;
nicData: PNOTIFYICONDATA;
iTrayCmd: integer;
bFound: boolean;
i: uint;
begin
result:= 0;
if not assigned(fmap) then exit;
if (code >= 0) and not fmap^.closing then
begin
pInfo:= PCWPRETSTRUCT(lParam);
// Interested in copydata messages
if pInfo^.message = WM_COPYDATA then
begin
// Make sure we have a valid handle on the Tray window
if not boolean(fmap^.hTrayWin) or not IsWindow(fmap^.hTrayWin) then fmap^.hTrayWin:= FindWindow(CLASS_TrayProc, nil);
// Make sure this message is from the Tray window
if IsWindow(fmap^.hTrayWin) and (pInfo^.hwnd = fmap^.hTrayWin) then
begin
pcds:= PCOPYDATASTRUCT(pInfo^.lParam);
if pcds^.dwData = 1 then // if this data refers to a tray icon //
begin
// maintain a copy of the tray icon //
iTrayCmd:= PInteger(uint(pcds.lpData) + 4)^;
nicData:= PNotifyIconData(uint(pcds.lpData) + 8);
if integer(nicData^.uID) = -1 then
begin
result:= CallNextHookEx(fmap^.hTrayHook, code, wParam, lParam);
exit;
end;
if (iTrayCmd = NIM_ADD) or (iTrayCmd = NIM_MODIFY) then
begin
bFound:= false;
i:= 0;
while (i < fmap^.iNextFreePos) and (i < MAXSAVEDTRAYDATA) do
begin
if (fmap^.SavedTrayData[i].NicHolder.IconData.uID = nicData^.uID) and
(fmap^.SavedTrayData[i].NicHolder.IconData.Wnd = nicData^.Wnd) then
begin
CopyMemory(@fmap^.SavedTrayData[i].CopyData, pcds, sizeof(COPYDATASTRUCT));
if iTrayCmd = NIM_ADD then
begin
if IsWindow(nicData^.Wnd) and boolean(nicData^.uCallbackMessage) and boolean(nicData^.hIcon) then
begin
if integer(nicData^.cbSize) > sizeof(NOTIFYICONDATA) then
CopyMemory(@fmap^.SavedTrayData[i].NicHolder.IconData, nicData, integer(nicData^.cbSize))
else CopyMemory(@fmap^.SavedTrayData[i].NicHolder.IconData, nicData, sizeof(NOTIFYICONDATA));
end;
end else begin
if (boolean(nicData^.uFlags and NIF_ICON) and boolean(nicData^.hIcon)) or
(not boolean(fmap^.SavedTrayData[i].NicHolder.IconData.hIcon) and boolean(nicData^.hIcon)) then
fmap^.SavedTrayData[i].NicHolder.IconData.hIcon:= nicData^.hIcon;
if boolean(nicData^.uFlags and NIF_MESSAGE) or
(not boolean(fmap^.SavedTrayData[i].NicHolder.IconData.uCallbackMessage) and boolean(nicData^.uCallbackMessage)) then
fmap^.SavedTrayData[i].NicHolder.IconData.uCallbackMessage:= nicData^.uCallbackMessage;
if boolean(nicData^.uFlags and NIF_TIP) or
((fmap^.SavedTrayData[i].NicHolder.IconData.szTip[0] = #0) and (nicData^.szTip[0] <> #0)) then
CopyMemory(@fmap^.SavedTrayData[i].NicHolder.IconData.szTip[0], @nicData^.szTip[0], 64);
fmap^.SavedTrayData[i].NicHolder.IconData.uFlags:= nicData^.uFlags;
end;
bFound:= true;
break;
end;
inc(i);
end;
// if not found then add icon data //
if IsWindow(nicData^.Wnd) and boolean(nicData^.uCallbackMessage) and boolean(nicData^.hIcon) then
begin
i:= fmap^.iNextFreePos;
if not bFound and (i < MAXSAVEDTRAYDATA) then
begin
CopyMemory(@fmap^.SavedTrayData[i].CopyData, pcds, sizeof(COPYDATASTRUCT));
if integer(nicData^.cbSize) > sizeof(NOTIFYICONDATA) then
CopyMemory(@fmap^.SavedTrayData[i].NicHolder.IconData, nicData, integer(nicData^.cbSize))
else CopyMemory(@fmap^.SavedTrayData[i].NicHolder.IconData, nicData, sizeof(NOTIFYICONDATA));
inc(fmap^.iNextFreePos);
end;
end;
end else if iTrayCmd = NIM_DELETE then
begin
i:= 0;
while (i < fmap^.iNextFreePos) and (i < MAXSAVEDTRAYDATA) do
begin
if (fmap^.SavedTrayData[i].NicHolder.IconData.uID = nicData^.uID) and
(fmap^.SavedTrayData[i].NicHolder.IconData.Wnd = nicData^.Wnd) then
begin
MoveMemory(@fmap^.SavedTrayData[i], @fmap^.SavedTrayData[i + 1], sizeof(_TrayItem) * (fmap^.iNextFreePos - i - 1) );
dec(fmap^.iNextFreePos);
break;
end;
inc(i);
end;
end;
// Forward the message //
if IsWindow(fmap^.hWnd) then SendMessage(fmap^.hWnd, WM_COPYDATA, 0, 0);
end;
end;
end;
end;
result:= CallNextHookEx(fmap^.hTrayHook, code, wParam, lParam);
end;
//------------------------------------------------------------------------------
function SetHook(activate: bool): bool; stdcall;
begin
result:= false;
if not assigned(fmap) then exit;
if activate then
begin
try fmap^.hHook:= SetWindowsHookEx(WH_Mouse, @HookProc, hInstance, 0);
except messagebox(fmap^.hWnd, pchar(SysErrorMessage(GetLastError)), 'HookMouse', mb_iconerror);
end;
result:= fmap^.hHook <> 0;
end else begin
if fmap^.hHook <> 0 then
begin
try result:= UnhookWindowsHookEx(fmap^.hHook);
except messagebox(fmap^.hWnd, pchar(SysErrorMessage(GetLastError)), 'UnHookMouse', mb_iconerror);
end;
if result then fmap^.hHook:= 0;
end;
end;
end;
//------------------------------------------------------------------------------
function SetKbHook(activate: bool): bool; stdcall;
begin
result:= false;
if not assigned(fmap) then exit;
if activate then
begin
try fmap^.hKbHook:= SetWindowsHookEx(WH_Keyboard, @KbHookProc, hInstance, 0);
except messagebox(fmap^.hWnd, pchar(SysErrorMessage(GetLastError)), 'HookKb', mb_iconerror);
end;
result:= fmap^.hKbHook <> 0;
end else begin
if fmap^.hKbHook <> 0 then
begin
try result:= UnhookWindowsHookEx(fmap^.hKbHook);
except messagebox(fmap^.hWnd, pchar(SysErrorMessage(GetLastError)), 'UnHookKb', mb_iconerror);
end;
if result then fmap^.hKbHook:= 0;
end;
end;
end;
//------------------------------------------------------------------------------
function SetTrayHook(activate: bool): bool; stdcall;
var
dwThreadID: dword;
hwndTray: HWND;
begin
dwThreadID:= 0;
result:= false;
if activate then
begin
if fmap^.hTrayHook = 0 then
begin
hwndTray:= FindWindow(CLASS_TrayProc, nil);
if hwndTray > 0 then
begin
dwThreadID:= GetWindowThreadProcessId(hwndTray, nil);
fmap^.hTrayHook:= SetWindowsHookEx(WH_CALLWNDPROCRET, @TrayHookProc, hInstance, dwThreadID);
end;
FillMemory(@fmap^.SavedTrayData, MAXSAVEDTRAYDATA * sizeof(COPYDATASTRUCT), 0);
end;
result:= fmap^.hTrayHook <> 0;
end else begin
if fmap^.hTrayHook <> 0 then
begin
try result:= UnhookWindowsHookEx(fmap^.hTrayHook);
except messagebox(fmap^.hWnd, pchar(SysErrorMessage(GetLastError)), 'UnHookTray', mb_iconerror);
end;
if result then fmap^.hTrayHook:= 0;
end;
end;
end;
//------------------------------------------------------------------------------
function Version: integer; stdcall;
begin
result:= LIB_VERSION;
end;
//------------------------------------------------------------------------------
exports SetHook, SetKbHook, SetTrayHook, Version;
//------------------------------------------------------------------------------
begin
end.
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второй модуль (с файлмэппингом) | Код |
unit fmapu;
interface
uses Windows, ShellAPI;
const
FMapID = 'TerryFMapID::56D27F6B-DC27-443A-A109-F00AE47DE599';
MAXSAVEDTRAYDATA = 32;
PAD_SIZE = 65;
type
_NicHolder = record
bPad: array [0..7] of byte;
IconData: NotifyIconData;
szPad: array [0..PAD_SIZE - 1] of char;
end;
_TrayItem = record
CopyData: COPYDATASTRUCT;
NicHolder: _NicHolder;
end;
PMapA = ^TMapA;
TMapA = record
closing: longbool;
hWnd: cardinal;
hHook: cardinal;
hKbHook: cardinal;
// tray //
hTrayHook: cardinal;
hTrayWin: cardinal;
iNextFreePos: cardinal;
SavedTrayData: array [0..MAXSAVEDTRAYDATA - 1] of _TrayItem;
end;
var
fmap: PMapA = nil;
Mapping: uint = 0;
implementation
//------------------------------------------------------------------------------
initialization
Mapping:= CreateFileMapping($ffffffff, nil, PAGE_READWRITE, 0, SizeOf(fmap), FMapID);
fmap:= MapViewOfFile(Mapping, FILE_MAP_ALL_ACCESS, 0, 0, 0);
finalization
if Assigned(fmap) then UnmapViewOfFile(fmap);
if Mapping <> 0 then CloseHandle(Mapping);
end.
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в настоящий момент используется из библы только первый хук (тот что на мышку) тестирую под XP | Код |
if hHookLib < 32 then hHookLib:= LoadLibrary(pansichar(ExpandPath('%pp%\hooks.dll')));
if hHookLib >= 32 then
begin
fmap^.hWnd:= self.handle;
fmap^.closing:= false;
fmap^.hTrayWin:= 0;
fmap^.hTrayHook:= 0;
fmap^.iNextFreePos:= 0;
@SetHook:= GetProcAddress(hHookLib, 'SetHook');
SetHook(true);
....
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не работает хук на части компов 
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