lazarus/components/synedit/lazsynimm.pas
martin eb0b68a7a3 SynEdit: clean up
git-svn-id: trunk@39849 -
2013-01-14 13:23:13 +00:00

724 lines
23 KiB
ObjectPascal

unit LazSynIMM;
{$mode objfpc}{$H+}
{off $DEFINE WinIMEDebug}
interface
uses
windows, imm, Classes, SysUtils, LazLoggerBase, LCLType, LCLProc, Controls,
Graphics, SynEditMiscClasses, SynTextDrawer, SynEditPointClasses, SynEditMarkupSelection,
SynEditMarkup, SynEditTypes, SynEditKeyCmds, LazSynEditText;
{$IFDEF WINCE} {$IF (FPC_FULLVERSION < 20700)}
function ImmSetCompositionFontA(_himc:HIMC; lplf:LPLOGFONT):BOOL; external ImmDLL name 'ImmSetCompositionFontA';
const
WM_IME_REQUEST = $0288;
{$ENDIF}{$ENDIF}
type
{ LazSynIme }
LazSynIme = class(TSynEditFriend)
private
FInvalidateLinesMethod: TInvalidateLines;
protected
FInCompose: Boolean;
procedure InvalidateLines(FirstLine, LastLine: integer);
procedure StopIme(Success: Boolean);
public
constructor Create(AOwner: TSynEditBase); reintroduce;
procedure WMImeRequest(var Msg: TMessage); virtual;
procedure WMImeNotify(var Msg: TMessage); virtual;
procedure WMImeComposition(var Msg: TMessage); virtual;
procedure WMImeStartComposition(var Msg: TMessage); virtual;
procedure WMImeEndComposition(var Msg: TMessage); virtual;
procedure FocusKilled; virtual;
property InvalidateLinesMethod : TInvalidateLines write FInvalidateLinesMethod;
end;
{ LazSynImeSimple }
LazSynImeSimple = class(LazSynIme)
private
FImeBlockSelection: TSynEditSelection;
FImeWinX, FImeWinY: Integer;
FTextDrawer: TheTextDrawer;
procedure SetTextDrawer(AValue: TheTextDrawer);
procedure UpdateImeWinXY(aX, aY: Integer; aImc: HIMC = 0; aForce: Boolean = False);
procedure UpdateImeWinFont(aImc: HIMC = 0);
procedure DoStatusChanged(Sender: TObject; Changes: TSynStatusChanges);
procedure DoDrawerFontChanged(Sender: TObject);
procedure DoOnCommand(Sender: TObject; AfterProcessing: boolean; var Handled: boolean;
var Command: TSynEditorCommand; var AChar: TUTF8Char; Data: pointer;
HandlerData: pointer);
procedure DoOnMouse(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X,
Y: Integer);
public
constructor Create(AOwner: TSynEditBase);
destructor Destroy; override;
procedure WMImeNotify(var Msg: TMessage); override;
procedure WMImeComposition(var Msg: TMessage); override;
procedure WMImeStartComposition(var Msg: TMessage); override;
procedure WMImeEndComposition(var Msg: TMessage); override;
procedure FocusKilled; override;
property TextDrawer: TheTextDrawer read FTextDrawer write SetTextDrawer;
end;
{ LazSynImeFull }
LazSynImeFull = class(LazSynIme)
private
FImeBlockSelection, FImeBlockSelection2: TSynEditSelection;
FImeMarkupSelection, FImeMarkupSelection2: TSynEditMarkupSelection;
FInImeMsg: Boolean;
procedure SetImeTempText(const s: string);
procedure DoOnCommand(Sender: TObject; AfterProcessing: boolean; var Handled: boolean;
var Command: TSynEditorCommand; var AChar: TUTF8Char; Data: pointer;
HandlerData: pointer);
procedure DoOnMouse(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X,
Y: Integer);
procedure DoStatusChanged(Sender: TObject; Changes: TSynStatusChanges);
public
constructor Create(AOwner: TSynEditBase);
destructor Destroy; override;
procedure WMImeRequest(var Msg: TMessage); override;
procedure WMImeNotify(var Msg: TMessage); override;
procedure WMImeComposition(var Msg: TMessage); override;
procedure WMImeStartComposition(var Msg: TMessage); override;
procedure WMImeEndComposition(var Msg: TMessage); override;
procedure FocusKilled; override;
end;
implementation
uses SynEdit;
{ LazSynIme }
procedure LazSynIme.InvalidateLines(FirstLine, LastLine: integer);
begin
FInvalidateLinesMethod(FirstLine, LastLine);
end;
procedure LazSynIme.StopIme(Success: Boolean);
var
imc: HIMC;
begin
if (not FInCompose) or (not FriendEdit.HandleAllocated) then exit;
imc := ImmGetContext(FriendEdit.Handle);
if (imc <> 0) then begin
if Success then
ImmNotifyIME(imc, NI_COMPOSITIONSTR, CPS_COMPLETE, 0)
else
ImmNotifyIME(imc, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
ImmReleaseContext(FriendEdit.Handle, imc);
end;
end;
constructor LazSynIme.Create(AOwner: TSynEditBase);
begin
FriendEdit := AOwner;
end;
procedure LazSynIme.WMImeRequest(var Msg: TMessage);
begin
end;
procedure LazSynIme.WMImeComposition(var Msg: TMessage);
begin
end;
procedure LazSynIme.WMImeNotify(var Msg: TMessage);
begin
end;
procedure LazSynIme.WMImeStartComposition(var Msg: TMessage);
begin
end;
procedure LazSynIme.WMImeEndComposition(var Msg: TMessage);
begin
end;
procedure LazSynIme.FocusKilled;
begin
end;
{ LazSynImeSimple }
procedure LazSynImeSimple.DoStatusChanged(Sender: TObject; Changes: TSynStatusChanges);
begin
UpdateImeWinXY(TCustomSynEdit(FriendEdit).CaretXPix, TCustomSynEdit(FriendEdit).CaretYPix);
if Changes * [scCaretX, scCaretY] <> [] then
StopIme(False);
end;
procedure LazSynImeSimple.DoDrawerFontChanged(Sender: TObject);
var
imc: HIMC;
begin
if not FriendEdit.HandleAllocated then
exit;
imc := ImmGetContext(FriendEdit.Handle);
if (imc <> 0) then begin
UpdateImeWinFont(imc);
UpdateImeWinXY(TCustomSynEdit(FriendEdit).CaretXPix, TCustomSynEdit(FriendEdit).CaretYPix, imc);
ImmReleaseContext(FriendEdit.Handle, imc);
end;
end;
procedure LazSynImeSimple.DoOnCommand(Sender: TObject; AfterProcessing: boolean;
var Handled: boolean; var Command: TSynEditorCommand; var AChar: TUTF8Char; Data: pointer;
HandlerData: pointer);
begin
StopIme(True);
end;
procedure LazSynImeSimple.DoOnMouse(Sender: TObject; Button: TMouseButton; Shift: TShiftState;
X, Y: Integer);
begin
StopIme(True);
end;
procedure LazSynImeSimple.UpdateImeWinXY(aX, aY: Integer; aImc: HIMC; aForce: Boolean);
var
cf: CompositionForm;
imc: HIMC;
begin
if not FriendEdit.HandleAllocated then exit;
if (not aForce) and (aX = FImeWinX) and (aY = FImeWinY) then exit;
FImeWinX := aX;
FImeWinY := aY;
cf.dwStyle := CFS_POINT;
cf.ptCurrentPos := Point(aX, aY);
if aImc = 0 then
imc := ImmGetContext(FriendEdit.Handle)
else
imc := aImc;
if (imc <> 0) then begin
ImmSetCompositionWindow(imc, @cf);
if (aImc = 0) then
ImmReleaseContext(FriendEdit.Handle, imc);
end;
end;
procedure LazSynImeSimple.SEtTextDrawer(AValue: TheTextDrawer);
begin
if FTextDrawer = AValue then Exit;
if FTextDrawer <> nil then
FTextDrawer.UnRegisterOnFontChangeHandler(@DoDrawerFontChanged);
FTextDrawer := AValue;
if FTextDrawer <> nil then
FTextDrawer.RegisterOnFontChangeHandler(@DoDrawerFontChanged);
end;
procedure LazSynImeSimple.UpdateImeWinFont(aImc: HIMC);
var
imc: HIMC;
logFont: TLogFont;
begin
if not FriendEdit.HandleAllocated then exit;
if aImc = 0 then
imc := ImmGetContext(FriendEdit.Handle)
else
imc := aImc;
if (imc <> 0) then begin
GetObject(FriendEdit.Font.Handle, SizeOf(TLogFont), @logFont);
ImmSetCompositionFontA(imc, @logFont);
if (aImc = 0) then
ImmReleaseContext(FriendEdit.Handle, imc);
end;
end;
constructor LazSynImeSimple.Create(AOwner: TSynEditBase);
begin
inherited Create(AOwner);
FImeBlockSelection := TSynEditSelection.Create(ViewedTextBuffer, False);
FImeBlockSelection.InvalidateLinesMethod := @InvalidateLines;
TCustomSynEdit(FriendEdit).RegisterStatusChangedHandler(@DoStatusChanged, [scCaretX, scCaretY, scLeftChar, scTopLine, scModified]);
TCustomSynEdit(FriendEdit).RegisterCommandHandler(@DoOnCommand, nil, [hcfInit]);
TCustomSynEdit(FriendEdit).RegisterBeforeMouseDownHandler(@DoOnMouse);
end;
destructor LazSynImeSimple.Destroy;
begin
TextDrawer := nil;
FreeAndNil(FImeBlockSelection);
TCustomSynEdit(FriendEdit).UnregisterBeforeMouseDownHandler(@DoOnMouse);
TCustomSynEdit(FriendEdit).UnregisterCommandHandler(@DoOnCommand);
TCustomSynEdit(FriendEdit).UnRegisterStatusChangedHandler(@DoStatusChanged);
inherited Destroy;
end;
procedure LazSynImeSimple.WMImeNotify(var Msg: TMessage);
var
imc: HIMC;
{$IFDEF WinIMEDebug}
s: String;
{$ENDIF}
begin
{$IFDEF WinIMEDebug}
case msg.wParam of
IMN_CLOSESTATUSWINDOW: s:= 'IMN_CLOSESTATUSWINDOW, ';
IMN_OPENSTATUSWINDOW: s:= 'IMN_OPENSTATUSWINDOW, ';
IMN_CHANGECANDIDATE: s:= 'IMN_CHANGECANDIDATE, ';
IMN_CLOSECANDIDATE: s:= 'IMN_CLOSECANDIDATE, ';
IMN_OPENCANDIDATE: s:= 'IMN_OPENCANDIDATE, ';
IMN_SETCONVERSIONMODE: s:= 'IMN_SETCONVERSIONMODE, ';
IMN_SETSENTENCEMODE: s:= 'IMN_SETSENTENCEMODE, ';
IMN_SETOPENSTATUS: s:= 'IMN_SETOPENSTATUS, ';
IMN_SETCANDIDATEPOS: s:= 'IMN_SETCANDIDATEPOS, ';
IMN_SETCOMPOSITIONFONT: s:= 'IMN_SETCOMPOSITIONFONT, ';
IMN_SETCOMPOSITIONWINDOW: s:= 'IMN_SETCOMPOSITIONWINDOW, ';
IMN_SETSTATUSWINDOWPOS: s:= 'IMN_SETSTATUSWINDOWPOS, ';
IMN_GUIDELINE: s:= 'IMN_GUIDELINE, ';
IMN_PRIVATE: s:= 'IMN_PRIVATE, ';
end;
debugln(['TCustomSynEdit.WMImeNotify ',s,' ', dbgHex(Msg.lParam), ' , ', dbgHex(Msg.wParam)]);
{$ENDIF}
case Msg.WParam of
IMN_SETOPENSTATUS: begin
imc := ImmGetContext(FriendEdit.Handle);
if (imc <> 0) then begin
UpdateImeWinFont(imc);
UpdateImeWinXY(TCustomSynEdit(FriendEdit).CaretXPix, TCustomSynEdit(FriendEdit).CaretYPix, imc, True);
ImmReleaseContext(FriendEdit.Handle, imc);
end;
end;
IMN_CLOSESTATUSWINDOW:
StopIme(True);
end;
end;
procedure LazSynImeSimple.WMImeComposition(var Msg: TMessage);
var
imc: HIMC;
ImeCount: LongWord;
p: PChar;
begin
if ((Msg.LParam and GCS_RESULTSTR) <> 0) then begin
imc := ImmGetContext(FriendEdit.Handle);
try
if imc <> 0 then begin
ImeCount := ImmGetCompositionStringW(imc, GCS_RESULTSTR, nil, 0);
{$IFDEF WinIMEDebug}
DebugLn(['--- GCS_RESULTSTR ', dbgHex(ImeCount)]);
{$ENDIF}
if ImeCount > 0 then begin
GetMem(p, ImeCount + 2);
try
TCustomSynEdit(FriendEdit).BeginUpdate;
ImmGetCompositionStringW(imc, GCS_RESULTSTR, p, ImeCount + 2);
p[ImeCount] := #0;
p[ImeCount+1] := #0;
FImeBlockSelection.SelText := UTF16ToUTF8(PWCHAR(p));
FImeBlockSelection.StartLineBytePos := FImeBlockSelection.EndLineBytePos;
CaretObj.LineBytePos := FImeBlockSelection.StartLineBytePos;
Msg.Result := 1;
finally
FreeMem(p, ImeCount + 2);
TCustomSynEdit(FriendEdit).EndUpdate;
end;
end;
end;
finally
ImmReleaseContext(FriendEdit.Handle, imc);
end;
end;
end;
procedure LazSynImeSimple.WMImeStartComposition(var Msg: TMessage);
var
imc: HIMC;
begin
//debugln(['TCustomSynEdit.WMImeStartComposition ']);
imc := ImmGetContext(FriendEdit.Handle);
if (imc <> 0) then begin
UpdateImeWinFont(imc);
UpdateImeWinXY(TCustomSynEdit(FriendEdit).CaretXPix, TCustomSynEdit(FriendEdit).CaretYPix, imc, True);
ImmReleaseContext(FriendEdit.Handle, imc);
end;
FInCompose := True;
FImeBlockSelection.StartLineBytePos := CaretObj.LineBytePos;
end;
procedure LazSynImeSimple.WMImeEndComposition(var Msg: TMessage);
begin
FInCompose := False;
end;
procedure LazSynImeSimple.FocusKilled;
begin
StopIme(True);
end;
{ LazSynImeFull }
procedure LazSynImeFull.DoOnCommand(Sender: TObject; AfterProcessing: boolean;
var Handled: boolean; var Command: TSynEditorCommand; var AChar: TUTF8Char; Data: pointer;
HandlerData: pointer);
begin
StopIme(True);
end;
procedure LazSynImeFull.DoOnMouse(Sender: TObject; Button: TMouseButton; Shift: TShiftState;
X, Y: Integer);
begin
StopIme(True);
end;
procedure LazSynImeFull.DoStatusChanged(Sender: TObject; Changes: TSynStatusChanges);
begin
if FInImeMsg then exit;
StopIme(True);
end;
procedure LazSynImeFull.SetImeTempText(const s: string);
var
p1, p2: TPoint;
f: Boolean;
begin
p1 := FImeBlockSelection.FirstLineBytePos;
f := FInImeMsg;
FInImeMsg := True;
ViewedTextBuffer.UndoList.Lock;
ViewedTextBuffer.RedoList.Lock;
FImeBlockSelection.SelText := s;
ViewedTextBuffer.UndoList.Unlock;
ViewedTextBuffer.RedoList.Unlock;
FInImeMsg := f;
p2 := FImeBlockSelection.FirstLineBytePos;
FImeBlockSelection.StartLineBytePos := p1;
FImeBlockSelection.EndLineBytePos := p2;
end;
constructor LazSynImeFull.Create(AOwner: TSynEditBase);
begin
inherited Create(AOwner);
FImeBlockSelection := TSynEditSelection.Create(ViewedTextBuffer, False);
FImeBlockSelection.InvalidateLinesMethod := @InvalidateLines;
FImeBlockSelection2 := TSynEditSelection.Create(ViewedTextBuffer, False);
FImeBlockSelection2.InvalidateLinesMethod := @InvalidateLines;
FImeMarkupSelection := TSynEditMarkupSelection.Create(FriendEdit, FImeBlockSelection);
FImeMarkupSelection2 := TSynEditMarkupSelection.Create(FriendEdit, FImeBlockSelection2);
TSynEditMarkupManager(MarkupMgr).AddMarkUp(FImeMarkupSelection);
TSynEditMarkupManager(MarkupMgr).AddMarkUp(FImeMarkupSelection2);
FImeMarkupSelection.MarkupInfo.Clear;
FImeMarkupSelection.MarkupInfo.FramePriority := 999;
FImeMarkupSelection.MarkupInfo.FrameColor := clDefault;
FImeMarkupSelection.MarkupInfo.FrameStyle := slsDotted;
FImeMarkupSelection.MarkupInfo.FrameEdges := sfeAround;
FImeMarkupSelection2.MarkupInfo.Clear;
FImeMarkupSelection2.MarkupInfo.FramePriority := 999+1;
FImeMarkupSelection2.MarkupInfo.FrameColor := clDefault;
FImeMarkupSelection2.MarkupInfo.FrameStyle := slsSolid;
FImeMarkupSelection2.MarkupInfo.FrameEdges := sfeBottom;
TCustomSynEdit(FriendEdit).RegisterStatusChangedHandler(@DoStatusChanged, [scCaretX, scCaretY, scModified]);
TCustomSynEdit(FriendEdit).RegisterCommandHandler(@DoOnCommand, nil, [hcfInit]);
TCustomSynEdit(FriendEdit).RegisterBeforeMouseDownHandler(@DoOnMouse);
end;
destructor LazSynImeFull.Destroy;
begin
TCustomSynEdit(FriendEdit).UnregisterBeforeMouseDownHandler(@DoOnMouse);
TCustomSynEdit(FriendEdit).UnregisterCommandHandler(@DoOnCommand);
TCustomSynEdit(FriendEdit).UnRegisterStatusChangedHandler(@DoStatusChanged);
FreeAndNil(FImeBlockSelection);
FreeAndNil(FImeBlockSelection2);
inherited Destroy;
end;
procedure LazSynImeFull.WMImeRequest(var Msg: TMessage);
var
{$IFDEF WinIMEDebug}
s: String;
{$ENDIF}
cp: PIMECHARPOSITION;
p1: TPoint;
CWidth: TPhysicalCharWidths;
i, x: integer;
begin
{$IFDEF WinIMEDebug}
case msg.wParam of
IMR_COMPOSITIONWINDOW: s:= 'IMR_COMPOSITIONWINDOW, ';
IMR_CANDIDATEWINDOW: s:= 'IMR_CANDIDATEWINDOW, ';
IMR_COMPOSITIONFONT: s:= 'IMR_COMPOSITIONFONT, ';
IMR_RECONVERTSTRING: s:= 'IMR_RECONVERTSTRING, ';
IMR_CONFIRMRECONVERTSTRING: s:= 'IMR_CONFIRMRECONVERTSTRING, ';
IMR_DOCUMENTFEED: s:= 'IMR_DOCUMENTFEED, ';
end;
if s <> '' then debugln(['TCustomSynEdit.WMImeRequest ', s,' ' , dbgHex(Msg.lParam)]);
{$ENDIF}
case msg.wParam of
IMR_QUERYCHARPOSITION: begin
cp := PIMECHARPOSITION(Msg.lParam);
p1 := FImeBlockSelection.StartLineBytePos;
CWidth := ViewedTextBuffer.GetPhysicalCharWidths(FImeBlockSelection.StartLinePos - 1);
x := p1.x - 1;
i := cp^.dwCharPos;
while (i > 0) and (x < length(CWidth)) do begin
inc(x);
while (x < length(CWidth)) and ((CWidth[x] and PCWMask) = 0) do
inc(x);
dec(i);
end;
p1.x := x + i + 1;
p1 := FriendEdit.ClientToScreen(TCustomSynEdit(FriendEdit).RowColumnToPixels(ViewedTextBuffer.LogicalToPhysicalPos(p1)));
cp^.pt.y := p1.y;
cp^.pt.x := p1.x;
cp^.cLineHeight := TCustomSynEdit(FriendEdit).LineHeight;
cp^.rcDocument.TopLeft := FriendEdit.ClientToScreen(FriendEdit.ClientRect.TopLeft);
cp^.rcDocument.BottomRight := FriendEdit.ClientToScreen(FriendEdit.ClientRect.BottomRight);
{$IFDEF WinIMEDebug}
debugln(['--- TCustomSynEdit.WMImeRequest ** IMR_QUERYCHARPOSITION ', dbgs(cp^.dwCharPos), ' ', dbgs(x),' ', dbgs(p1.x)]);
{$ENDIF}
Msg.Result := 1;
end;
end;
end;
procedure LazSynImeFull.WMImeNotify(var Msg: TMessage);
{$IFDEF WinIMEDebug}
var
s: String;
{$ENDIF}
begin
{$IFDEF WinIMEDebug}
case msg.wParam of
IMN_CLOSESTATUSWINDOW: s:= 'IMN_CLOSESTATUSWINDOW, ';
IMN_OPENSTATUSWINDOW: s:= 'IMN_OPENSTATUSWINDOW, ';
IMN_CHANGECANDIDATE: s:= 'IMN_CHANGECANDIDATE, ';
IMN_CLOSECANDIDATE: s:= 'IMN_CLOSECANDIDATE, ';
IMN_OPENCANDIDATE: s:= 'IMN_OPENCANDIDATE, ';
IMN_SETCONVERSIONMODE: s:= 'IMN_SETCONVERSIONMODE, ';
IMN_SETSENTENCEMODE: s:= 'IMN_SETSENTENCEMODE, ';
IMN_SETOPENSTATUS: s:= 'IMN_SETOPENSTATUS, ';
IMN_SETCANDIDATEPOS: s:= 'IMN_SETCANDIDATEPOS, ';
IMN_SETCOMPOSITIONFONT: s:= 'IMN_SETCOMPOSITIONFONT, ';
IMN_SETCOMPOSITIONWINDOW: s:= 'IMN_SETCOMPOSITIONWINDOW, ';
IMN_SETSTATUSWINDOWPOS: s:= 'IMN_SETSTATUSWINDOWPOS, ';
IMN_GUIDELINE: s:= 'IMN_GUIDELINE, ';
IMN_PRIVATE: s:= 'IMN_PRIVATE, ';
end;
debugln(['TCustomSynEdit.WMImeNotify ',s,' ', dbgHex(Msg.lParam), ' , ', dbgHex(Msg.wParam)]);
{$ENDIF}
end;
procedure LazSynImeFull.WMImeComposition(var Msg: TMessage);
var
CWidth: TPhysicalCharWidths;
function CharToByte(AStart, AChars: integer): integer;
begin
if length(CWidth) = 0 then
CWidth := ViewedTextBuffer.GetPhysicalCharWidths(FImeBlockSelection.StartLinePos - 1);
dec(AStart);
Result := AStart;
while (AChars > 0) and (Result < length(CWidth)) do begin
inc(Result);
while (Result < length(CWidth)) and ((CWidth[Result] and PCWMask) = 0) do
inc(Result);
dec(AChars);
end;
Result := Result - AStart + AChars;
end;
var
{$IFDEF WinIMEDebug}
s: String;
{$ENDIF}
imc: HIMC;
p: PChar;
ImeCount: LongWord;
x, i: Integer;
xy: TPoint;
begin
{$IFDEF WinIMEDebug}
s := '';
if (Msg.lparam and GCS_COMPREADSTR)<>0 then s := s + 'GCS_COMPREADSTR, ';
if (Msg.lparam and GCS_COMPREADATTR)<>0 then s := s + 'GCS_COMPREADATTR, ';
if (Msg.lparam and GCS_COMPREADCLAUSE)<>0 then s := s + 'GCS_COMPREADCLAUSE, ';
//if (Msg.lparam and GCS_COMPSTR)<>0 then s := s + 'GCS_COMPSTR, ';
if (Msg.lparam and GCS_COMPATTR)<>0 then s := s + 'GCS_COMPATTR, ';
if (Msg.lparam and GCS_COMPCLAUSE)<>0 then s := s + 'GCS_COMPCLAUSE, ';
//if (Msg.lparam and GCS_CURSORPOS)<>0 then s := s + 'GCS_CURSORPOS, ';
//if (Msg.lparam and GCS_DELTASTART)<>0 then s := s + 'GCS_DELTASTART, ';
if (Msg.lparam and GCS_RESULTREADSTR)<>0 then s := s + 'GCS_RESULTREADSTR, ';
if (Msg.lparam and GCS_RESULTREADCLAUSE)<>0 then s := s + 'GCS_RESULTREADCLAUSE, ';
//if (Msg.lparam and GCS_RESULTSTR)<>0 then s := s + 'GCS_RESULTSTR, ';
if (Msg.lparam and GCS_RESULTCLAUSE)<>0 then s := s + 'GCS_RESULTCLAUSE, ';
if (Msg.lparam and CS_INSERTCHAR)<>0 then s := s + ' ** CS_INSERTCHAR, ';
if (Msg.lparam and CS_NOMOVECARET)<>0 then s := s + ' ** CS_NOMOVECARET, ';
if s <> '' then debugln(['TCustomSynEdit.WMImeComposition ', s]);
{$ENDIF}
if ((Msg.LParam and (GCS_RESULTSTR or GCS_COMPSTR or GCS_CURSORPOS or GCS_COMPATTR)) = 0) then
exit;
imc := 0;
FInImeMsg := True;
SetLength(CWidth, 0);
try
if ((Msg.LParam and GCS_RESULTSTR) <> 0) then begin
if imc = 0 then
imc := ImmGetContext(FriendEdit.Handle);
ImeCount := ImmGetCompositionStringW(imc, GCS_RESULTSTR, nil, 0);
{$IFDEF WinIMEDebug}
DebugLn(['--- GCS_RESULTSTR ', dbgHex(ImeCount)]);
{$ENDIF}
if ImeCount > 0 then begin
GetMem(p, ImeCount + 2);
try
CaretObj.LineBytePos := FImeBlockSelection.StartLineBytePos;
TCustomSynEdit(FriendEdit).BeginUpdate;
ImmGetCompositionStringW(imc, GCS_RESULTSTR, p, ImeCount + 2);
p[ImeCount] := #0;
p[ImeCount+1] := #0;
SetImeTempText('');
FImeBlockSelection.SelText := UTF16ToUTF8(PWCHAR(p));
FImeBlockSelection.StartLineBytePos := FImeBlockSelection.EndLineBytePos;
CaretObj.LineBytePos := FImeBlockSelection.StartLineBytePos;
Msg.Result := 1;
finally
TCustomSynEdit(FriendEdit).EndUpdate;
FreeMem(p, ImeCount + 2);
end;
end;
end;
if ((Msg.LParam and GCS_COMPSTR) <> 0) then begin
if imc = 0 then
imc := ImmGetContext(FriendEdit.Handle);
ImeCount := ImmGetCompositionStringW(imc, GCS_COMPSTR, nil, 0);
{$IFDEF WinIMEDebug}
DebugLn(['--- GCS_COMPSTR ', dbgHex(ImeCount)]);
{$ENDIF}
if ImeCount > 0 then begin
GetMem(p, ImeCount + 2);
try
ImmGetCompositionStringW(imc, GCS_COMPSTR, p, ImeCount + 2);
p[ImeCount] := #0;
p[ImeCount+1] := #0;
SetImeTempText(UTF16ToUTF8(PWCHAR(p)));
Msg.Result := 1;
finally
FreeMem(p, ImeCount + 2);
end;
end;
end;
if ((Msg.LParam and GCS_COMPATTR) <> 0) then begin
if imc = 0 then
imc := ImmGetContext(FriendEdit.Handle);
ImeCount := ImmGetCompositionStringW(imc, GCS_COMPATTR, nil, 0);
{$IFDEF WinIMEDebug}
DebugLn(['***** GCS_COMPATTR ', dbgHex(ImeCount)]);
{$ENDIF}
if ImeCount > 0 then begin
xy := FImeBlockSelection.StartLineBytePos;
FImeBlockSelection2.StartLineBytePos := xy;
FImeBlockSelection2.EndLineBytePos := xy;
GetMem(p, ImeCount + 2);
try
ImmGetCompositionStringW(imc, GCS_COMPATTR, p, ImeCount + 2);
//DebugLn(dbgMemRange(PByte( p), ImeCount));
i := 0;
while {%H-}i < ImeCount do begin
if ord(p[i]) = ATTR_TARGET_CONVERTED then begin
x := FImeBlockSelection.StartBytePos;
xy.x := x + CharToByte(x, i);
FImeBlockSelection2.StartLineBytePos := xy;
inc(i);
while {%H-}i < ImeCount do begin
if (ord(p[i]) <> ATTR_TARGET_CONVERTED) or (i = ImeCount-1) then begin
if (ord(p[i]) = ATTR_TARGET_CONVERTED) then
inc(i);
xy.x := x + CharToByte(x, i);
FImeBlockSelection2.EndLineBytePos := xy;
break;
end;
inc(i);
end;
break;
end;
inc(i);
end;
Msg.Result := 1;
finally
FreeMem(p, ImeCount + 2);
end;
end;
end;
if ((Msg.LParam and GCS_CURSORPOS) <> 0) then begin
if imc = 0 then
imc := ImmGetContext(FriendEdit.Handle);
ImeCount := ImmGetCompositionStringW(imc, GCS_CURSORPOS, nil, 0);
{$IFDEF WinIMEDebug}
DebugLn(['--- GCS_CURSORPOS ', dbgs(ImeCount)]);
{$ENDIF}
if ImeCount >= 0 then begin
ImeCount := ImeCount and $ffff;
x := FImeBlockSelection.StartBytePos;
x := x + CharToByte(x, ImeCount);
CaretObj.CharPos := ViewedTextBuffer.LogicalToPhysicalPos(Point(x, FImeBlockSelection.StartLinePos)).x;
end;
end;
finally
if imc <> 0 then
ImmReleaseContext(FriendEdit.Handle, imc);
FInImeMsg := False;
end;
inherited;
end;
procedure LazSynImeFull.WMImeStartComposition(var Msg: TMessage);
begin
//debugln(['TCustomSynEdit.WMImeStartComposition ']);
FImeBlockSelection.StartLineBytePos := CaretObj.LineBytePos;
FInCompose := True;
Msg.Result := 1;
end;
procedure LazSynImeFull.WMImeEndComposition(var Msg: TMessage);
begin
//debugln(['TCustomSynEdit.WMImeEndComposition ']);
SetImeTempText('');
CaretObj.LineBytePos := FImeBlockSelection.LastLineBytePos;
FImeBlockSelection.StartLineBytePos := CaretObj.LineBytePos;
FImeBlockSelection2.StartLineBytePos := CaretObj.LineBytePos;
FInCompose := False;
Msg.Result := 1;
end;
procedure LazSynImeFull.FocusKilled;
begin
StopIme(True);
end;
end.