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{
Free Pascal port of the OpenPTC C++ library.
Copyright (C) 2001-2003 Nikolay Nikolov (nickysn@users.sourceforge.net)
Original C++ version by Glenn Fiedler (ptc@gaffer.org)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
}
Constructor TWinCEKeyboard.Create(EventQueue : TEventQueue);
Begin
// m_monitor := Nil;
// m_event := Nil;
// Inherited Create(window, thread);
// m_monitor := TWin32Monitor.Create;
// m_event := TWin32Event.Create;
{ setup defaults }
m_alt := False;
m_shift := False;
m_control := False;
{ setup data }
FEventQueue := EventQueue;
// m_multithreaded := multithreaded;
{ enable buffering }
m_enabled := True;
End;
Procedure TWinCEKeyboard.enable;
Begin
{ enable buffering }
m_enabled := True;
End;
Procedure TWinCEKeyboard.disable;
Begin
{ disable buffering }
m_enabled := False;
End;
Function TWinCEKeyboard.WndProc(hWnd : HWND; message : DWord; wParam : WPARAM; lParam : LPARAM) : LRESULT;
Var
i : Integer;
scancode : Integer;
KeyStateArray : Array[0..255] Of Byte;
AsciiBuf : Word;
press : Boolean;
uni : Integer;
tmp : Integer;
Begin
WndProc := 0;
{ check enabled flag }
If Not m_enabled Then
Exit;
{ process key message }
If (message = WM_KEYDOWN) Or (message = WM_KEYUP) {Or ((message = WM_SYSKEYDOWN) And ((lParam And (1 Shl 29)) <> 0))} Then
Begin
If message = WM_KEYUP Then
press := False
Else
press := True;
{ update modifiers }
If wParam = VK_MENU Then
{ alt }
m_alt := press
Else
If wParam = VK_SHIFT Then
{ shift }
m_shift := press
Else
If wParam = VK_CONTROL Then
{ control }
m_control := press;
{ enter monitor if multithreaded }
(* If m_multithreaded Then
m_monitor.enter;*)
uni := -1;
(* If GetKeyboardState(@KeyStateArray) Then
Begin
scancode := (lParam Shr 16) And $FF;
{todo: ToUnicode (Windows NT)}
tmp := ToAscii(wParam, scancode, @KeyStateArray, @AsciiBuf, 0);
If (tmp = 1) Or (tmp = 2) Then
Begin
If tmp = 2 Then
Begin
// Writeln('[', AsciiBuf, ']'); {???? todo: dead keys ????}
End
Else
Begin
// Write(Chr(AsciiBuf));
{todo: codepage -> unicode}
If AsciiBuf <= 126 Then
uni := AsciiBuf;
End;
End;
End;*)
{ handle key repeat count }
For i := 1 To lParam And $FFFF Do
{ create and insert key object }
FEventQueue.AddEvent(TPTCKeyEvent.Create(wParam, uni, m_alt, m_shift, m_control, press));
{ check multithreaded flag }
(* If m_multithreaded Then
Begin
{ set event }
m_event._set;
{ leave monitor }
m_monitor.leave;
End;*)
End;
End;
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