fpc/api/go32v2/keyboard.inc
2000-07-13 11:32:24 +00:00

131 lines
3.2 KiB
PHP

{
System independent keyboard interface for go32v2
<<<<<<< keyboard.inc
$Id$
WARNING this code needs %fs to contain the DOS memory selector
don't forget to reload it after calling C functions
that could change it PM
=======
$Id$
>>>>>>> 1.3
}
uses
go32;
procedure InitKeyboard;
begin
end;
procedure DoneKeyboard;
begin
end;
function GetKeyEvent: TKeyEvent;
var
regs : trealregs;
begin
if PendingKeyEvent<>0 then
begin
GetKeyEvent:=PendingKeyEvent;
PendingKeyEvent:=0;
exit;
end;
regs.ah:=$10;
realintr($16,regs);
if (regs.al=$e0) and (regs.ah<>0) then
regs.al:=0;
GetKeyEvent:=regs.ax or ((mem[$40:$17] and $f) shl 16);
end;
function PollKeyEvent: TKeyEvent;
var
regs : trealregs;
begin
if PendingKeyEvent<>0 then
exit(PendingKeyEvent);
regs.ah:=$11;
realintr($16,regs);
if (regs.realflags and zeroflag<>0) then
exit(0);
if (regs.al=$e0) and (regs.ah<>0) then
regs.al:=0;
PollKeyEvent:=regs.ax or ((mem[$40:$17] and $f) shl 16);
end;
function PollShiftStateEvent: TKeyEvent;
begin
PollShiftStateEvent:=((mem[$40:$17] and $f) shl 16);
end;
{ Function key translation }
type
TTranslationEntry = packed record
Min, Max: Byte;
Offset: Word;
end;
const
TranslationTableEntries = 12;
TranslationTable: array [1..TranslationTableEntries] of TTranslationEntry =
((Min: $3B; Max: $44; Offset: kbdF1), { function keys F1-F10 }
(Min: $54; Max: $5D; Offset: kbdF1), { Shift fn keys F1-F10 }
(Min: $5E; Max: $67; Offset: kbdF1), { Ctrl fn keys F1-F10 }
(Min: $68; Max: $71; Offset: kbdF1), { Alt fn keys F1-F10 }
(Min: $85; Max: $86; Offset: kbdF11), { function keys F11-F12 }
(Min: $87; Max: $88; Offset: kbdF11), { Shift+function keys F11-F12 }
(Min: $89; Max: $8A; Offset: kbdF11), { Ctrl+function keys F11-F12 }
(Min: $8B; Max: $8C; Offset: kbdF11), { Alt+function keys F11-F12 }
(Min: 71; Max: 73; Offset: kbdHome), { Keypad keys kbdHome-kbdPgUp }
(Min: 75; Max: 77; Offset: kbdLeft), { Keypad keys kbdLeft-kbdRight }
(Min: 79; Max: 81; Offset: kbdEnd), { Keypad keys kbdEnd-kbdPgDn }
(Min: $52; Max: $53; Offset: kbdInsert));
function TranslateKeyEvent(KeyEvent: TKeyEvent): TKeyEvent;
var
I: Integer;
ScanCode: Byte;
begin
if KeyEvent and $03000000 = $03000000 then
begin
if KeyEvent and $000000FF <> 0 then
begin
TranslateKeyEvent := KeyEvent and $00FFFFFF;
exit;
end
else
begin
{ This is a function key }
ScanCode := (KeyEvent and $0000FF00) shr 8;
for I := 1 to TranslationTableEntries do
begin
if (TranslationTable[I].Min <= ScanCode) and (ScanCode <= TranslationTable[I].Max) then
begin
TranslateKeyEvent := $02000000 + (KeyEvent and $00FF0000) +
(ScanCode - TranslationTable[I].Min) + TranslationTable[I].Offset;
exit;
end;
end;
end;
end;
TranslateKeyEvent := KeyEvent;
end;
function TranslateKeyEventUniCode(KeyEvent: TKeyEvent): TKeyEvent;
begin
TranslateKeyEventUniCode := KeyEvent;
ErrorHandler(errKbdNotImplemented, nil);
end;
{
$Log$
Revision 1.2 2000-07-13 11:32:24 michael
+ removed logs
}