void MakePaintString(HWND hWnd, LPMYSTR lpStr, DWORD dwStrLen, LPDWORD lpCls, DWORD dwClsLen, LPMYSTR lpPaintStr, DWORD dwPaintStrSize)
{
LPMYSTR lpPaintStart = lpPaintStr;
lpPaintStr += Mylstrlen(lpPaintStr);
if (dwStrLen)
{
if (dwClsLen)
{
lpCls[127] = 0;
while (*(lpCls+1) && *lpCls < dwStrLen)
{
DWORD dwTextLen = *(lpCls+1) - *lpCls;
LPMYSTR lpT = lpStr + *lpCls;
memcpy(lpPaintStr,lpT,dwTextLen * sizeof(MYCHAR));
lpPaintStr += dwTextLen;
*lpPaintStr = MYTEXT(',');
lpPaintStr++;
lpCls++;
}
*lpPaintStr = MYTEXT('\0');
}
else
{
StringCchCopy((LPTSTR)lpPaintStr,dwPaintStrSize, (LPTSTR)lpStr);
StringCchCat((LPTSTR)lpPaintStr,dwPaintStrSize, (LPTSTR)MYTEXT(","));
}
}
}
LRESULT HandleComposition(HWND hWnd, WPARAM wParam, LPARAM lParam)
{
HIMC hIMC = NULL;
BOOL fRedraw = FALSE;
hIMC = ImmGetContext(hWnd);
if (lParam & GCS_COMPSTR)
{
dwCompStrLen = MyImmGetCompositionString(hIMC,GCS_COMPSTR,szCompStr,sizeof(szCompStr));
dwCompStrLen /= sizeof(MYCHAR);
szCompStr[dwCompStrLen] = MYTEXT('\0');
fRedraw = TRUE;
}
else
{
dwCompStrLen = 0;
szCompStr[0] = MYTEXT('\0');
}
if (lParam & GCS_COMPATTR)
{
dwCompAttrLen = MyImmGetCompositionString(hIMC,GCS_COMPATTR,bCompAttr,sizeof(bCompAttr));
fRedraw = TRUE;
}
else
{
dwCompAttrLen = 0;
bCompAttr[0] = 0;
}
if (lParam & GCS_COMPCLAUSE)
{
dwCompClsLen = MyImmGetCompositionString(hIMC,GCS_COMPCLAUSE,dwCompCls,sizeof(dwCompCls));
fRedraw = TRUE;
}
else
{
dwCompClsLen = 0;
dwCompCls[0] = 0;
dwCompCls[1] = 0;
}
if (lParam & GCS_COMPREADSTR)
{
dwCompReadStrLen = MyImmGetCompositionString(hIMC,GCS_COMPREADSTR,szCompReadStr,sizeof(szCompReadStr));
dwCompReadStrLen /= sizeof(MYCHAR);
szCompReadStr[dwCompReadStrLen] = MYTEXT('\0');
fRedraw = TRUE;
}
else
{
dwCompReadStrLen = 0;
szCompReadStr[0] = MYTEXT('\0');
}
if (lParam & GCS_COMPREADATTR)
{
dwCompReadAttrLen = MyImmGetCompositionString(hIMC,GCS_COMPREADATTR,bCompReadAttr,sizeof(bCompReadAttr));
fRedraw = TRUE;
}
else
{
dwCompReadAttrLen = 0;
bCompReadAttr[0] = 0;
}
if (lParam & GCS_COMPREADCLAUSE)
{
dwCompReadClsLen = MyImmGetCompositionString(hIMC,GCS_COMPREADCLAUSE,dwCompReadCls,sizeof(dwCompReadCls));
fRedraw = TRUE;
}
else
{
dwCompReadClsLen = 0;
dwCompReadCls[0] = 0;
dwCompReadCls[1] = 0;
}
if (lParam & GCS_RESULTSTR)
{
RECT rc = {0};
HDC hIC = NULL;
SIZE sz0, sz1;
HFONT hOldFont = NULL;
if (lParam & GCS_RESULTCLAUSE)
{
dwResultClsLen = MyImmGetCompositionString(hIMC,GCS_RESULTCLAUSE,dwResultCls,sizeof(dwResultCls));
}
else
{
dwResultClsLen = 0;
dwResultCls[0] = 0;
dwResultCls[1] = 0;
}
dwResultStrLen = MyImmGetCompositionString(hIMC,GCS_RESULTSTR,szResultStr,sizeof(szResultStr));
dwResultStrLen /= sizeof(MYCHAR);
szResultStr[dwResultStrLen] = MYTEXT('\0');
// szPaintResult may overflow..
GetClientRect(hWnd,&rc);
hIC = CreateIC(TEXT("DISPLAY"), NULL, NULL, NULL);
hOldFont = SelectObject(hIC,hFont);
#ifdef USEWAPI
GetTextExtentPointW(hIC,szPaintResult,Mylstrlen(szPaintResult),&sz0);
GetTextExtentPointW(hIC,szResultStr,Mylstrlen(szResultStr),&sz1);
#else
GetTextExtentPoint(hIC,szPaintResult,Mylstrlen(szPaintResult),&sz0);
GetTextExtentPoint(hIC,szResultStr,Mylstrlen(szResultStr),&sz1);
#endif
if (sz0.cx + sz1.cx >= rc.right)
{
szPaintResult[0] = MYTEXT('\0');
szPaintResultRead[0] = MYTEXT('\0');
}
SelectObject(hIC,hOldFont);
DeleteDC(hIC);
MakePaintString(hWnd,szResultStr,dwResultStrLen,dwResultCls,dwResultClsLen,szPaintResult, ARRAYSIZE(szPaintResult));
fRedraw = TRUE;
}
else
{
dwResultStrLen = 0;
szResultStr[0] = MYTEXT('\0');
dwResultClsLen = 0;
dwResultCls[0] = 0;
dwResultCls[1] = 0;
}
if (lParam & GCS_RESULTREADSTR)
{
if (lParam & GCS_RESULTREADCLAUSE)
{
dwResultReadClsLen = MyImmGetCompositionString(hIMC,GCS_RESULTREADCLAUSE,dwResultReadCls,sizeof(dwResultReadCls));
fRedraw = TRUE;
}
else
{
dwResultReadClsLen = 0;
dwResultReadCls[0] = 0;
dwResultReadCls[1] = 0;
}
dwResultReadStrLen = MyImmGetCompositionString(hIMC,GCS_RESULTREADSTR,szResultReadStr,sizeof(szResultReadStr));
dwResultReadStrLen /= sizeof(MYCHAR);
szResultReadStr[dwResultReadStrLen] = MYTEXT('\0');
MakePaintString(hWnd,szResultReadStr,dwResultReadStrLen,dwResultReadCls,dwResultReadClsLen,szPaintResultRead, ARRAYSIZE(szPaintResultRead));
fRedraw = TRUE;
}
else
{
dwResultReadStrLen = 0;
szResultReadStr[0] = MYTEXT('\0');
dwResultReadClsLen = 0;
dwResultReadCls[0] = 0;
dwResultReadCls[1] = 0;
}
if (fRedraw)
{
InvalidateRect(hWnd,NULL,TRUE);
UpdateWindow(hWnd);
}
return 1;
}
LRESULT HandleChar(HWND hWnd, WPARAM wParam, LPARAM lParam)
{
RECT rc = {0};
HDC hIC = NULL;
SIZE sz0, sz1;
HFONT hOldFont = NULL;
LPMYSTR lp = NULL;
// is the previous received char is a DBCS lead byte char ?
static BOOL fIsPrevLeadByte = FALSE;
GetClientRect(hWnd,&rc);
hIC = CreateIC(TEXT("DISPLAY"), NULL, NULL, NULL);
hOldFont = SelectObject(hIC,hFont);
#ifdef USEWAPI
GetTextExtentPointW(hIC,szPaintResult,Mylstrlen(szPaintResult),&sz0);
GetTextExtentPointW(hIC,szResultStr,Mylstrlen(szResultStr),&sz1);
#else
GetTextExtentPoint(hIC,szPaintResult,Mylstrlen(szPaintResult),&sz0);
GetTextExtentPoint(hIC,szResultStr,Mylstrlen(szResultStr),&sz1);
#endif
if (sz0.cx + sz1.cx >= rc.right)
{
szPaintResult[0] = MYTEXT('\0');
szPaintResultRead[0] = MYTEXT('\0');
}
SelectObject(hIC,hOldFont);
DeleteDC(hIC);
lp = szPaintResult + Mylstrlen(szPaintResult);
#ifndef USEWAPI
if (fIsPrevLeadByte)
{
// remove , and append second byte for showing DBCS char
if (*(lp - 1) == ',')
{
lp--;
}
}
#endif
// append second byte
*lp++ = (MYCHAR)(BYTE)wParam;
*lp++ = MYTEXT(',');
*lp++ = MYTEXT('\0');
lp = szPaintResultRead + Mylstrlen(szPaintResultRead);
#ifndef USEWAPI
if (fIsPrevLeadByte)
{
// remove , and append second byte for showing DBCS char
if (*(lp - 1) == ',')
{
lp--;
}
fIsPrevLeadByte = FALSE;
}
else
{
fIsPrevLeadByte = IsDBCSLeadByte((BYTE)wParam);
}
#endif
*lp++ = (BYTE)wParam;
*lp++ = MYTEXT(',');
*lp++ = MYTEXT('\0');
InvalidateRect(hWnd,NULL,TRUE);
UpdateWindow(hWnd);
return 1;
}
LRESULT HandlePaint(HWND hWnd, WPARAM wParam, LPARAM lParam)
{
HDC hDC = NULL;
PAINTSTRUCT ps = {0};
UINT i;
int x = ORG_X;
int y = ORG_Y;
SIZE sz;
HFONT hOldFont = NULL;
HFONT hDefFont = GetStockObject(DEFAULT_GUI_FONT);
int height,defheight;
const char szResult[] = "Result String";
const char szComp[] = "Composition String";
RECT rc = {0};
GetClientRect(hWnd,&rc);
hDC = BeginPaint(hWnd, &ps);
if (hFont)
{
hOldFont = SelectObject(hDC,hDefFont);
}
// Get the height of the default gui font.
GetTextExtentPoint(hDC,"A",1,&sz);
defheight = sz.cy + 1;
// Get the height of the font.
SelectObject(hDC,hFont);
GetTextExtentPoint(hDC,"A",1,&sz);
height = sz.cy + 1;
SelectObject(hDC,hDefFont);
SetTextColor(hDC,RGB(0,0,0));
SetBkMode(hDC,TRANSPARENT);
TextOut(hDC,ORG_X,y,szResult,lstrlen(szResult));
y += defheight;
if (Mylstrlen(szPaintResult))
{
x = ORG_X;
SelectObject(hDC,hFont);
SetTextColor(hDC,RGB(255,0,0));
SetBkMode(hDC,TRANSPARENT);
#ifdef USEWAPI
TextOutW(hDC,x,y,szPaintResult,Mylstrlen(szPaintResult));
#else
TextOut(hDC,x,y,szPaintResult,Mylstrlen(szPaintResult));
#endif
}
y += height;
if (Mylstrlen(szPaintResultRead))
{
x = ORG_X;
SelectObject(hDC,hFont);
SetTextColor(hDC,RGB(255,0,0));
SetBkMode(hDC,TRANSPARENT);
#ifdef USEWAPI
TextOutW(hDC,x,y,szPaintResultRead,Mylstrlen(szPaintResultRead));
#else
TextOut(hDC,x,y,szPaintResultRead,Mylstrlen(szPaintResultRead));
#endif
}
#if 0
if (dwResultReadStrLen)
{
x = ORG_X;
SelectObject(hDC,hFont);
SetTextColor(hDC,RGB(0,0,0));
SetBkMode(hDC,TRANSPARENT);
if (dwResultReadClsLen)
{
dwResultReadCls[127] = 0;
i = 1;
SetTextColor(hDC,RGB(255,0,0));
while (dwResultReadCls[i] && dwResultReadCls[i-1] < dwResultReadStrLen)
{
DWORD dwTextLen = dwResultReadCls[i] - dwResultReadCls[i-1];
LPSTR lpStart = szResultReadStr + dwResultReadCls[i-1];
TextOut(hDC,x,y,lpStart,dwTextLen);
GetTextExtentPoint(hDC,lpStart,dwTextLen,&sz);
x += sz.cx;
TextOut(hDC,x,y,",",1);
GetTextExtentPoint(hDC,",",1,&sz);
x += (sz.cx + 2);
i++;
}
}
else
{
SetTextColor(hDC,RGB(255,0,0));
SetBkMode(hDC,TRANSPARENT);
TextOut(hDC,x,y,szResultReadStr,dwResultReadStrLen);
}
}
#endif
y += height;
SelectObject(hDC,hDefFont);
SetTextColor(hDC,RGB(0,0,0));
SetBkMode(hDC,TRANSPARENT);
TextOut(hDC,ORG_X,y,szComp,lstrlen(szComp));
y += defheight;
if (dwCompStrLen)
{
x = ORG_X;
SelectObject(hDC,hFont);
SetTextColor(hDC,RGB(0,0,0));
if (dwCompClsLen && dwCompAttrLen)
{
dwCompCls[127] = 0;
i = 1;
while (dwCompCls[i] && dwCompCls[i-1] < dwCompStrLen)
{
DWORD dwTextLen = dwCompCls[i] - dwCompCls[i-1];
LPMYSTR lpStart = szCompStr + dwCompCls[i-1];
SetAttrColor(hDC, bCompAttr[dwCompCls[i-1]]);
#ifdef USEWAPI
TextOutW(hDC,x,y,lpStart,dwTextLen);
GetTextExtentPointW(hDC,lpStart,dwTextLen,&sz);
#else
TextOut(hDC,x,y,lpStart,dwTextLen);
GetTextExtentPoint(hDC,lpStart,dwTextLen,&sz);
#endif
x += sz.cx;
SetTextColor(hDC,RGB(0,0,0));
SetBkMode(hDC,TRANSPARENT);
#ifdef USEWAPI
TextOutW(hDC,x,y,MYTEXT(","),1);
GetTextExtentPointW(hDC,MYTEXT(","),1,&sz);
#else
TextOut(hDC,x,y,",",1);
GetTextExtentPoint(hDC,",",1,&sz);
#endif
x += (sz.cx + 2);
i++;
}
}
else
{
SetBkMode(hDC,TRANSPARENT);
#ifdef USEWAPI
TextOutW(hDC,x,y,szCompStr,dwCompStrLen);
#else
TextOut(hDC,x,y,szCompStr,dwCompStrLen);
#endif
}
}
y += height;
if (dwCompReadStrLen)
{
x = ORG_X;
SelectObject(hDC,hFont);
SetTextColor(hDC,RGB(0,0,0));
SetBkMode(hDC,TRANSPARENT);
if (dwCompReadClsLen && dwCompReadAttrLen)
{
dwCompReadCls[127] = 0;
i = 1;
while (dwCompReadCls[i] && dwCompReadCls[i-1] < dwCompReadStrLen)
{
DWORD dwTextLen = dwCompReadCls[i] - dwCompReadCls[i-1];
LPMYSTR lpStart = szCompReadStr + dwCompReadCls[i-1];
SetAttrColor(hDC, bCompReadAttr[dwCompReadCls[i-1]]);
#ifdef USEWAPI
TextOutW(hDC,x,y,lpStart,dwTextLen);
GetTextExtentPointW(hDC,lpStart,dwTextLen,&sz);
#else
TextOut(hDC,x,y,lpStart,dwTextLen);
GetTextExtentPoint(hDC,lpStart,dwTextLen,&sz);
#endif
x += sz.cx;
SetTextColor(hDC,RGB(0,0,0));
SetBkMode(hDC,TRANSPARENT);
#ifdef USEWAPI
TextOutW(hDC,x,y,MYTEXT(","),1);
GetTextExtentPointW(hDC,MYTEXT(","),1,&sz);
#else
TextOut(hDC,x,y,",",1);
GetTextExtentPoint(hDC,",",1,&sz);
#endif
x += (sz.cx + 2);
i++;
}
}
else
{
SetBkMode(hDC,TRANSPARENT);
#ifdef USEWAPI
TextOutW(hDC,x,y,szCompReadStr,dwCompReadStrLen);
#else
TextOut(hDC,x,y,szCompReadStr,dwCompReadStrLen);
#endif
}
}
y += height;
ptImeUIPos.y = y;
SelectObject(hDC,hOldFont);
EndPaint(hWnd,&ps);
return 1;
}
