Code:
function TMsgSimulator.Add_Raw_Message(Msg: TWMMessage; x, y, VkKey, Delay, HWND: integer; Button: TMouseButton): TMessageItem;
begin
Result := Messages.Add;
Result.Msg := Msg;
Result.PosX := x;
Result.PosY := y;
Result.VkKey := VkKey;
Result.Delay := Delay;
Result.HWND := HWND;
Result.Button := Button;
end;
procedure TMsgSimulator.Add_Shift(hwnd: THandle; Shift: TShiftState; UpDown: TWMMessage; Delay: integer);
begin
// NOTE: Keystrokes do not require an hwnd, so use 0
if Shift = [] then exit;
if ssShift in Shift then Add_Raw_Message(UpDown, 0, 0, VK_SHIFT, Delay, 0, mbLeft);
if ssCtrl in Shift then Add_Raw_Message(UpDown, 0, 0, VK_CONTROL, Delay, 0, mbLeft);
if ssAlt in Shift then Add_Raw_Message(UpDown, 0, 0, VK_MENU, Delay, 0, mbLeft);
end;
// x, y are in Screen coordinates
procedure TMsgSimulator.Add_ClickEx(hwnd: THandle; Button: TMouseButton; Shift: TShiftState;
x, y, Delay: integer);
begin
Add_Shift(hwnd, Shift, mmKeyDown, Delay);
Add_Raw_Message(mmMouseDown, x, y, 0, Delay, hwnd, Button);
Add_Raw_Message(mmMouseUp, x, y, 0, Delay, hwnd, Button);
Add_Raw_Message(mmMouseMove, x, y, 0, Delay, hwnd, Button);
Add_Shift(hwnd, Shift, mmKeyUp, Delay);
end;
// x, y are in Screen coordinates
procedure TMsgSimulator.Add_DragEx(hwnd: THandle; Button: TMouseButton; Shift: TShiftState;
StartX, StartY, StopX, StopY, NumMoves, Delay: integer);
var
i, x, y : integer;
begin
Add_Shift(hwnd, Shift, mmKeyDown, Delay);
Add_Raw_Message(mmMouseDown, StartX, StartY, 0, Delay, hwnd, Button);
for i := 0 to NumMoves do begin
x := (StopX - StartX) * i div NumMoves + StartX;
y := (StopY - StartY) * i div NumMoves + StartY;
Add_Raw_Message(mmMouseMove, x, y, 0, Delay, hwnd, Button);
end;
Add_Raw_Message(mmMouseUp, StopX, StopY, 0, Delay, hwnd, Button);
Add_Shift(hwnd, Shift, mmKeyUp, Delay);
end;
procedure TMsgSimulator.Add_VirtualKey(hwnd: THandle; VkKey, Delay: integer; UpDown: TWMMessage);
begin
Add_Raw_Message(upDown, 0, 0, vkKey, Delay, hwnd, mbLeft);
end;
procedure TMsgSimulator.SimClientToScreen(hwnd: THandle; var x, y: integer);
var
p : TPoint;
begin
if hwnd = 0 then exit;
p := Point(x, y);
Windows.ClientToScreen(hwnd, p);
x := p.x;
y := p.y;
end;
// x, y are in the Window's coordinates
procedure TMsgSimulator.Add_Window_Click(hwnd: THandle; x, y: integer);
begin
SimClientToScreen(hwnd, x, y);
Add_ClickEx(hwnd, mbLeft, [], x, y, DefaultDelay);
end;
// StartXY & StopXY are in the Window's coordinates
procedure TMsgSimulator.Add_Window_Drag(hwnd: THandle; StartX, StartY, StopX, StopY: integer);
begin
SimClientToScreen(hwnd, StartX, StartY);
SimClientToScreen(hwnd, StopX, StopY);
Add_DragEx(hwnd, mbLeft, [], StartX, StartY, StopX, StopY, 10, DefaultDelay);
end;
// x, y are in Screen coordinates
procedure TMsgSimulator.Add_Screen_Click(x, y: integer);
var
hwnd : THandle;
begin
hwnd := Windows.WindowFromPoint(Point(x, y));
Add_ClickEx(hwnd, mbLeft, [], x, y, DefaultDelay);
end;
// x, y are in Screen coordinates
procedure TMsgSimulator.Add_Screen_Drag(StartX, StartY, StopX, StopY: integer);
var
hwnd : THandle;
begin
hwnd := Windows.WindowFromPoint(Point(StartX, StartY));
Add_DragEx(hwnd, mbLeft, [], StartX, StartY, StopX, StopY, 10, DefaultDelay);
end;
procedure TMsgSimulator.Add_ASCII_Keys(const Keystrokes: string);
var
i : integer;
c : byte;
Shift : boolean;
begin
for i := 1 to Length(Keystrokes) do begin
c := VkKeyScan(Keystrokes[i]) and 255;
Shift := (VkKeyScan(Keystrokes[i]) and 256) <> 0;
if Shift then Add_Raw_Message(mmKeyDown, 0, 0, VK_SHIFT, 1 {DefaultDelay}, 0, mbLeft);
Add_Raw_Message(mmKeyDown, 0, 0, c, DefaultDelay, 0, mbLeft);
Add_Raw_Message(mmKeyUp, 0, 0, c, 1 {DefaultDelay}, 0, mbLeft);
if Shift then Add_Raw_Message(mmKeyUp, 0, 0, VK_SHIFT, 1 {DefaultDelay}, 0, mbLeft);
end;
end;
procedure TMsgSimulator.Play;
begin
Play_Async;
Assert(Application <> nil, 'TMsgSimulator.Play: Application = nil');
while (not Application.Terminated) and (not AbortSim) and (not PlayDone) do begin
Application.ProcessMessages;
Sleep(1);
end;
end;
procedure UnHook;
begin
Win32Check(UnhookWindowsHookEx(CurSim.play_hk));
CurSim.play_hk := 0;
CurSim.PlayDone := True;
CurSim.StopTime := GetTickCount;
CurSim.FRunning := False;
CurSim := nil;
end;
function JournalPlaybackProc(code: integer; wp: WParam; lp: LPARAM): LResult; stdcall;
var
pe : PEventMsg;
begin
Assert(CurSim <> nil, 'CurSim = nil!');
Assert(CurSim.PlayDone = False, 'Still Playing?');
Result := CallNextHookEx(CurSim.play_hk, code, wp, lp);
if code < 0 then exit;
if CurSim.AbortSim then begin
UnHook;
exit;
end;
if code = HC_GETNEXT then begin
pe := @CurSim.Messages[Cur].em;
PEventMsg(lp)^ := pe^;
Result := 0;
if (NumCur = 0) and (Cur > 0) then begin
Result := CurSim.Messages[Cur].em.time - CurSim.Messages[Cur-1].em.time;
end;
NumCur := NumCur + 1;
exit;
end;
if code = HC_SKIP then begin
Cur := Cur + 1;
NumCur := 0;
if Cur = CurSim.Messages.Count then begin
UnHook;
end;
exit;
end;
end;
procedure TMsgSimulator.FixUp_Playback_Delays;
var
i : integer;
begin
for i := 0 to Messages.Count-1 do begin
Messages[i].Fill_EM_From_Props;
if i = 0 then Messages[i].em.time := 0
else Messages[i].em.time := Messages[i-1].em.time + Messages[i].Delay;
// TODO: Fix up HWNDs? -bpz
end;
end;
// This function returns immediately
procedure TMsgSimulator.Play_Async;
begin
StartTime := GetTickCount;
StopTime := StartTime;
if Messages.Count = 0 then exit;
FRunning := True;
AbortSim := False;
PlayDone := False;
Assert(CurSim = nil, 'A TMsgSimulator is already playing or recording!');
CurSim := Self;
FixUp_Playback_Delays;
// Set up the JournalPlayback Hook
Cur := 0;
NumCur := 0;
play_hk := SetWindowsHookEx(WH_JOURNALPLAYBACK, JournalPlaybackProc, HInstance, 0);
end;
function TMsgSimulator.GetElapTime: integer;
begin
if Running then
Result := GetTickCount - StartTime
else
Result := StopTime - StartTime;
end;
procedure TMsgSimulator.Abort;
begin
Assert(Running, 'Must be running to Abort!');
AbortSim := True;
end;
function JournalRecordProc(code: integer; wp: WParam; lp: LPARAM): LResult; stdcall;
var
pe : PEventMsg;
mi : TMessageItem;
begin
Result := 0;
case code of
HC_ACTION : if (CurSim.StopRec = 0) then begin
pe := PEventMsg(lp);
if (pe.message = WM_KEYDOWN) and ((pe.paramL and 255) = VK_CANCEL) then begin
CurSim.Stop_Record;
exit;
end;
mi := CurSim.Messages.Add;
mi.em := pe^;
mi.Fill_Props_From_EM;
end;
HC_SYSMODALON : Inc(CurSim.StopRec);
HC_SYSMODALOFF : Dec(CurSim.StopRec);
end;
end;
procedure TMsgSimulator.Record_Input;
begin
Assert(CurSim = nil, 'A TMsgSimulator is already playing or recording!');
CurSim := Self;
StopRec := 0;
Messages.Clear;
FRecording := True;
rec_hk := SetWindowsHookEx(WH_JOURNALRECORD, JournalRecordProc, HInstance, 0);
end;
procedure TMsgSimulator.FixUp_Record_Delays;
var
i : integer;
begin
for i := 0 to Messages.Count-1 do begin
if i = Messages.Count-1 then Messages[i].Delay := 0
else Messages[i].Delay := Messages[i+1].em.time - Messages[i].em.time;
end;
end;
procedure TMsgSimulator.Stop_Record;
begin
if Recording then begin
Win32Check(UnhookWindowsHookEx(CurSim.rec_hk));
rec_hk := 0;
CurSim := nil;
FRecording := False;
FixUp_Record_Delays;
if Assigned(OnStopRecord) then
OnStopRecord(Self); // This is useful when the user hits CTRL-BREAK to stop recording rather than pressing a "Stop" button
end;
end;
procedure TMsgSimulator.FocusWin(hwnd: THandle);
var
tmp : THandle;
begin
// Get the top-level window
tmp := hwnd;
while GetParent(tmp)<>0 do
tmp := GetParent(tmp);
SetForegroundWindow(tmp);
Windows.SetFocus(hwnd);
end;
function EnumWindowsProc(hwnd: THandle; lp: LParam): boolean; stdcall;
var
buf : array[0..MAX_PATH] of char;
ms : TMsgSimulator;
begin
Result := True;
ms := TMsgSimulator(lp);
Assert(ms<>nil);
GetWindowText(hwnd, buf, sizeof(buf));
if Pos(ms.FindText, buf)<>0 then ms.FindHandle := hwnd;
end;
function TMsgSimulator.FindTopLevelWin(const FindText: string): THandle;
begin
Self.FindText := FindText;
FindHandle := DWORD(-1);
EnumWindows(@EnumWindowsProc, LParam(Self));
Result := FindHandle;
end;
initialization
CurSim := nil;
end.