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2234 lines
63 KiB
2234 lines
63 KiB
#include "ctlspriv.h"
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#pragma hdrstop
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#include "usrctl32.h"
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#include "edit.h"
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//---------------------------------------------------------------------------//
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#define WS_EX_EDGEMASK (WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE)
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#define GetCharABCWidthsAorW ((ped)->fAnsi ? GetCharABCWidthsA : GetCharABCWidthsW)
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#define GetCharWidthAorW ((ped)->fAnsi ? GetCharWidthA : GetCharWidthW)
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//---------------------------------------------------------------------------//
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INT Edit_GetStateId(PED ped)
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{
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INT iStateId;
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if (ped->fDisabled)
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{
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iStateId = ETS_DISABLED;
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}
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else if (ped->fReadOnly)
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{
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iStateId = ETS_READONLY;
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}
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else if (ped->fFocus)
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{
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iStateId = ETS_FOCUSED;
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}
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else if (ped->fHot)
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{
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iStateId = ETS_HOT;
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}
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else
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{
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iStateId = ETS_NORMAL;
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}
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return iStateId;
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}
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//---------------------------------------------------------------------------//
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VOID Edit_SetMargin(PED ped, UINT wFlags, long lMarginValues, BOOL fRedraw)
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{
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BOOL fUseFontInfo = FALSE;
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UINT wValue, wOldLeftMargin, wOldRightMargin;
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if (wFlags & EC_LEFTMARGIN)
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{
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//
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// Set the left margin
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//
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if ((int) (wValue = (int)(short)LOWORD(lMarginValues)) < 0)
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{
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fUseFontInfo = TRUE;
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wValue = min((ped->aveCharWidth / 2), (int)ped->wMaxNegA);
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}
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ped->rcFmt.left += wValue - ped->wLeftMargin;
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wOldLeftMargin = ped->wLeftMargin;
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ped->wLeftMargin = wValue;
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}
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if (wFlags & EC_RIGHTMARGIN)
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{
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//
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// Set the Right margin
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//
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if ((int) (wValue = (int)(short)HIWORD(lMarginValues)) < 0)
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{
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fUseFontInfo = TRUE;
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wValue = min((ped->aveCharWidth / 2), (int)ped->wMaxNegC);
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}
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ped->rcFmt.right -= wValue - ped->wRightMargin;
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wOldRightMargin = ped->wRightMargin;
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ped->wRightMargin = wValue;
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}
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if (fUseFontInfo)
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{
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if (ped->rcFmt.right - ped->rcFmt.left < 2 * ped->aveCharWidth)
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{
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TraceMsg(TF_STANDARD, "EDIT: Edit_SetMargin: rcFmt is too narrow for EC_USEFONTINFO");
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if (wFlags & EC_LEFTMARGIN)
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{
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//
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// Reset the left margin
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//
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ped->rcFmt.left += wOldLeftMargin - ped->wLeftMargin;
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ped->wLeftMargin = wOldLeftMargin;
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}
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if (wFlags & EC_RIGHTMARGIN)
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{
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//
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// Reset the Right margin
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//
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ped->rcFmt.right -= wOldRightMargin - ped->wRightMargin;
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ped->wRightMargin = wOldRightMargin;
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}
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return;
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}
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}
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if (fRedraw)
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{
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Edit_InvalidateClient(ped, TRUE);
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}
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}
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//---------------------------------------------------------------------------//
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VOID Edit_CalcMarginForDBCSFont(PED ped, BOOL fRedraw)
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{
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if (ped->fTrueType)
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{
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if (!ped->fSingle)
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{
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//
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// wMaxNegA came from ABC CharWidth.
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//
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if (ped->wMaxNegA != 0)
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{
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Edit_SetMargin(ped, EC_LEFTMARGIN | EC_RIGHTMARGIN,
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MAKELONG(EC_USEFONTINFO, EC_USEFONTINFO),fRedraw);
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}
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}
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else
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{
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int iMaxNegA = 0, iMaxNegC = 0;
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int i;
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PVOID lpBuffer;
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LPABC lpABCBuff;
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ABC ABCInfo;
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HFONT hOldFont;
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HDC hdc = GetDC(ped->hwnd);
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if (!ped->hFont || !(hOldFont = SelectFont(hdc, ped->hFont)))
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{
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ReleaseDC(ped->hwnd, hdc);
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return;
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}
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if (lpBuffer = UserLocalAlloc(0,sizeof(ABC) * 256))
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{
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lpABCBuff = lpBuffer;
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GetCharABCWidthsAorW(hdc, 0, 255, lpABCBuff);
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}
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else
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{
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lpABCBuff = &ABCInfo;
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GetCharABCWidthsAorW(hdc, 0, 0, lpABCBuff);
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}
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i = 0;
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while (TRUE)
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{
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iMaxNegA = min(iMaxNegA, lpABCBuff->abcA);
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iMaxNegC = min(iMaxNegC, lpABCBuff->abcC);
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if (++i == 256)
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{
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break;
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}
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if (lpBuffer)
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{
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lpABCBuff++;
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}
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else
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{
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GetCharABCWidthsAorW(hdc, i, i, lpABCBuff);
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}
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}
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SelectFont(hdc, hOldFont);
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if (lpBuffer)
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{
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UserLocalFree(lpBuffer);
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}
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ReleaseDC(ped->hwnd, hdc);
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if ((iMaxNegA != 0) || (iMaxNegC != 0))
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{
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Edit_SetMargin(ped, EC_LEFTMARGIN | EC_RIGHTMARGIN,
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MAKELONG((UINT)(-iMaxNegC), (UINT)(-iMaxNegA)),fRedraw);
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}
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}
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}
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}
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//---------------------------------------------------------------------------//
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//
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// GetCharDimensionsEx(HDC hDC, HFONT hfont, LPTEXTMETRIC lptm, LPINT lpcy)
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//
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// if an app set a font for vertical writing, even though we don't
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// handle it with EC, the escapement of tm can be NON 0. Then cxWidth from
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// GetCharDimenstions() could be 0 in GetCharDimensions().
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// This will break our caller who don't expect 0 at return. So I created
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// this entry for the case the caller set vertical font.
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//
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//
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// PORTPORT: Duplicates functionality of GetCharDimensions() in prsht.c
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int UserGetCharDimensionsEx(HDC hDC, HFONT hfont, LPTEXTMETRICW lptm, LPINT lpcy)
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{
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static CONST WCHAR AveCharWidthData[] = L"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
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int cxWidth;
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TEXTMETRICW tm;
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LOGFONTW lf;
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WCHAR wchFaceName[LF_FACESIZE];
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//
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// Is this font vertical font ??
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//
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wchFaceName[0] = 0;
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GetTextFaceW(hDC, LF_FACESIZE, wchFaceName);
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if (wchFaceName[0] != L'@')
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{
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//
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// if not call GDI...
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//
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return(GdiGetCharDimensions(hDC, lptm, lpcy));
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}
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if (!lptm)
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{
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lptm = &tm;
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}
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GetTextMetricsW(hDC, lptm);
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// TMPF_FIXED_PITCH
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//
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// If this bit is set the font is a variable pitch font.
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// If this bit is clear the font is a fixed pitch font.
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// Note very carefully that those meanings are the opposite of what the constant name implies.
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//
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if (!(lptm->tmPitchAndFamily & TMPF_FIXED_PITCH))
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{
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//
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// This is fixed pitch font....
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//
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cxWidth = lptm->tmAveCharWidth;
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}
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else
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{
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//
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// This is variable pitch font...
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//
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if (hfont && GetObjectW(hfont, sizeof(LOGFONTW), &lf) && (lf.lfEscapement != 0))
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{
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cxWidth = lptm->tmAveCharWidth;
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}
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else
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{
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SIZE size;
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GetTextExtentPointW(hDC, AveCharWidthData, 52, &size);
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cxWidth = ((size.cx / 26) + 1) / 2;
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}
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}
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if (lpcy)
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{
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*lpcy = lptm->tmHeight;
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}
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return cxWidth;
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}
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//---------------------------------------------------------------------------//
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//
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// Edit_GetTextHandler AorW
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//
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// Copies at most maxCchToCopy chars to the buffer lpBuffer. Returns
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// how many chars were actually copied. Null terminates the string based
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// on the fNullTerminate flag:
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// fNullTerminate --> at most (maxCchToCopy - 1) characters will be copied
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// !fNullTerminate --> at most (maxCchToCopy) characters will be copied
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//
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ICH Edit_GetTextHandler(PED ped, ICH maxCchToCopy, LPSTR lpBuffer, BOOL fNullTerminate)
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{
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PSTR pText;
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if (maxCchToCopy)
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{
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//
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// Zero terminator takes the extra byte
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//
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if (fNullTerminate)
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{
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maxCchToCopy--;
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}
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maxCchToCopy = min(maxCchToCopy, ped->cch);
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//
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// Zero terminate the string
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//
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if (ped->fAnsi)
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{
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*(LPSTR)(lpBuffer + maxCchToCopy) = 0;
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}
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else
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{
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*(((LPWSTR)lpBuffer) + maxCchToCopy) = 0;
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}
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pText = Edit_Lock(ped);
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RtlCopyMemory(lpBuffer, pText, maxCchToCopy * ped->cbChar);
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Edit_Unlock(ped);
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}
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return maxCchToCopy;
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}
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//---------------------------------------------------------------------------//
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BOOL Edit_NcCreate( PED ped, HWND hwnd, LPCREATESTRUCT lpCreateStruct)
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{
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BOOL fAnsi;
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ULONG ulStyle;
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ULONG ulStyleEx;
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//
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// Initialize the ped
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//
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ped->hwnd = hwnd;
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ped->pww = (PWW)GetWindowLongPtr(hwnd, GWLP_WOWWORDS);
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ulStyle = GET_STYLE(ped);
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ulStyleEx = GET_EXSTYLE(ped);
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//
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// (phellyar) All strings sent to us via standard WM_* messages or
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// control specific EM_* messages are expanded to unicode
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// for us by user. Therefore we need worry about
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// whether be are created by and ANSI app.
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//
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//fAnsi = TESTFLAG(GET_STATE(ped), WS_ST_ANSICREATOR);
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fAnsi = 0;
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ped->fEncoded = FALSE;
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ped->iLockLevel = 0;
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ped->chLines = NULL;
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ped->pTabStops = NULL;
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ped->charWidthBuffer = NULL;
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ped->fAnsi = fAnsi ? 1 : 0; // Force TRUE to be 1 because its a 1 bit field
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ped->cbChar = (WORD)(fAnsi ? sizeof(CHAR) : sizeof(WCHAR));
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ped->hInstance = lpCreateStruct->hInstance;
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// IME
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ped->hImcPrev = NULL_HIMC;
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{
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DWORD dwVer = UserGetVersion();
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ped->fWin31Compat = Is310Compat(dwVer);
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ped->f40Compat = Is400Compat(dwVer);
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}
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//
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// NOTE:
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// The order of the following two checks is important. People can
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// create edit fields with a 3D and a normal border, and we don't
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// want to disallow that. But we need to detect the "no 3D border"
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// border case too.
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//
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if ( ulStyleEx & WS_EX_EDGEMASK )
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{
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ped->fBorder = TRUE;
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}
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else if ( ulStyle & WS_BORDER )
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{
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ClearWindowState(hwnd, WS_BORDER);
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ped->fFlatBorder = TRUE;
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ped->fBorder = TRUE;
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}
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if ( !(ulStyle & ES_MULTILINE) )
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{
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ped->fSingle = TRUE;
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}
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if ( ulStyle & WS_DISABLED )
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{
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ped->fDisabled = TRUE;
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}
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if ( ulStyle & ES_READONLY)
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{
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if (!ped->fWin31Compat)
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{
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//
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// BACKWARD COMPATIBILITY HACK
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//
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// "MileStone" unknowingly sets the ES_READONLY style. So, we strip this
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// style here for all Win3.0 apps (this style is new for Win3.1).
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// Fix for Bug #12982 -- SANKAR -- 01/24/92 --
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//
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ClearWindowState(hwnd, ES_READONLY);
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}
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else
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{
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ped->fReadOnly = TRUE;
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}
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}
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//
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// Allocate storage for the text for the edit controls. Storage for single
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// line edit controls will always get allocated in the local data segment.
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// Multiline will allocate in the local ds but the app may free this and
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// allocate storage elsewhere...
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//
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ped->hText = LocalAlloc(LHND, CCHALLOCEXTRA*ped->cbChar);
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if (!ped->hText)
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{
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return FALSE;
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}
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ped->cchAlloc = CCHALLOCEXTRA;
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ped->lineHeight = 1;
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ped->hwndParent = lpCreateStruct->hwndParent;
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ped->hTheme = OpenThemeData(ped->hwnd, L"Edit");
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ped->wImeStatus = 0;
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return (BOOL)DefWindowProc(hwnd, WM_NCCREATE, 0, (LPARAM)lpCreateStruct);
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}
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//---------------------------------------------------------------------------//
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BOOL Edit_Create(PED ped, LONG windowStyle)
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{
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HDC hdc;
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//
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// Get values from the window instance data structure and put
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// them in the ped so that we can access them easier.
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//
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if ( windowStyle & ES_AUTOHSCROLL )
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{
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ped->fAutoHScroll = 1;
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}
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if ( windowStyle & ES_NOHIDESEL )
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{
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ped->fNoHideSel = 1;
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}
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ped->format = (LOWORD(windowStyle) & LOWORD(ES_FMTMASK));
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if ((windowStyle & ES_RIGHT) && !ped->format)
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{
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ped->format = ES_RIGHT;
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}
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//
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// Max # chars we will initially allow
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//
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ped->cchTextMax = MAXTEXT;
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//
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// Set up undo initial conditions... (ie. nothing to undo)
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//
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ped->ichDeleted = (ICH)-1;
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ped->ichInsStart = (ICH)-1;
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ped->ichInsEnd = (ICH)-1;
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//
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// initial charset value - need to do this BEFORE EditML_Create is called
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// so that we know not to fool with scrollbars if nessacary
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//
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hdc = Edit_GetDC(ped, TRUE);
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ped->charSet = (BYTE)GetTextCharset(hdc);
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Edit_ReleaseDC(ped, hdc, TRUE);
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//
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// FE_IME
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// EC_INSERT_COMPOSITION_CHARACTER: Edit_Create() - call Edit_InitInsert()
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//
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Edit_InitInsert(ped, GetKeyboardLayout(0));
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if( g_pLpkEditCallout )
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{
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ped->pLpkEditCallout = g_pLpkEditCallout;
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}
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else
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{
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ped->pLpkEditCallout = NULL;
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}
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return ped->pLpkEditCallout ? ped->pLpkEditCallout->EditCreate((PED0)ped, ped->hwnd) : TRUE;
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}
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|
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//---------------------------------------------------------------------------//
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//
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// Do this once at process startup. The edit control has special
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// callouts in lpk.dll to help it render complex script languages
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// such as Arabic. The registry probing alg executed here is the same
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// as the one performed in win32k!InitializeGre.
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//
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// We then call GetModuleHandle rather than LoadLibrary, since lpk.dll
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// will be guaranteed to be loaded and initialized already by gdi32. This
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// fixes the scenario in which the user turns on complex scripts but
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// doesn't reboot, which caused us to try and load lpk without it having
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// been initialized on the kernel side.
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//
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VOID InitEditLpk()
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{
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LONG lError;
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HKEY hKey;
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lError = RegOpenKeyEx(HKEY_LOCAL_MACHINE,
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TEXT("Software\\Microsoft\\Windows NT\\CurrentVersion\\LanguagePack"),
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0,
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KEY_QUERY_VALUE,
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&hKey);
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|
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if (lError == ERROR_SUCCESS)
|
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{
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HANDLE hLpk;
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DWORD dwLpkShapingDlls;
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DWORD dwIndex;
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TCHAR szTemp[256];
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DWORD dwTempSize;
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DWORD dwValueType;
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DWORD dwValue;
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DWORD dwValueSize;
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|
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dwLpkShapingDlls = 0;
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dwIndex = 0;
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do
|
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{
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dwTempSize = ARRAYSIZE(szTemp);
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dwValueSize = SIZEOF(DWORD);
|
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lError = RegEnumValue(hKey,
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dwIndex++,
|
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szTemp,
|
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&dwTempSize,
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NULL,
|
|
&dwValueType,
|
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(LPVOID)&dwValue,
|
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&dwValueSize);
|
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|
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if ((lError == ERROR_SUCCESS) && (dwValueType == REG_DWORD))
|
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{
|
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dwLpkShapingDlls |= 1 << dwValue;
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}
|
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}
|
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while (lError != ERROR_NO_MORE_ITEMS);
|
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|
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if (dwLpkShapingDlls != 0)
|
|
{
|
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hLpk = GetModuleHandle(TEXT("LPK"));
|
|
if (hLpk != NULL)
|
|
{
|
|
g_pLpkEditCallout = (PLPKEDITCALLOUT)GetProcAddress(hLpk, "LpkEditControl");
|
|
|
|
if (g_pLpkEditCallout == NULL)
|
|
{
|
|
FreeLibrary(hLpk);
|
|
}
|
|
}
|
|
}
|
|
|
|
RegCloseKey(hKey);
|
|
}
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------//
|
|
//
|
|
// Destroys the edit control ped by freeing up all memory used by it.
|
|
//
|
|
VOID Edit_NcDestroyHandler(HWND hwnd, PED ped)
|
|
{
|
|
//
|
|
// ped could be NULL if WM_NCCREATE failed to create it...
|
|
//
|
|
if (ped)
|
|
{
|
|
//
|
|
// Free the text buffer (always present?)
|
|
//
|
|
if (TESTFLAG(GET_STYLE(ped), ES_PASSWORD))
|
|
{
|
|
LPWSTR pszText = LocalLock(ped->hText);
|
|
RtlSecureZeroMemory(pszText, LocalSize(ped->hText));
|
|
LocalUnlock(ped->hText);
|
|
}
|
|
LocalFree(ped->hText);
|
|
|
|
|
|
//
|
|
// Free up undo buffer and line start array (if present)
|
|
//
|
|
if (ped->hDeletedText != NULL)
|
|
{
|
|
GlobalFree(ped->hDeletedText);
|
|
}
|
|
|
|
//
|
|
// Free tab stop buffer (if present)
|
|
//
|
|
if (ped->pTabStops)
|
|
{
|
|
UserLocalFree(ped->pTabStops);
|
|
}
|
|
|
|
//
|
|
// Free line start array (if present)
|
|
//
|
|
if (ped->chLines)
|
|
{
|
|
UserLocalFree(ped->chLines);
|
|
}
|
|
|
|
//
|
|
// Free the character width buffer (if present)
|
|
//
|
|
if (ped->charWidthBuffer)
|
|
{
|
|
UserLocalFree(ped->charWidthBuffer);
|
|
}
|
|
|
|
//
|
|
// Free the cursor bitmap
|
|
//
|
|
if (ped->pLpkEditCallout && ped->hCaretBitmap)
|
|
{
|
|
DeleteObject(ped->hCaretBitmap);
|
|
}
|
|
|
|
//
|
|
// Free the cached font handle
|
|
//
|
|
if ( ped->hFontSave )
|
|
{
|
|
DeleteObject(ped->hFontSave);
|
|
}
|
|
|
|
//
|
|
// Close an open theme handle
|
|
//
|
|
if ( ped->hTheme )
|
|
{
|
|
CloseThemeData(ped->hTheme);
|
|
}
|
|
|
|
//
|
|
// Free the memory used by CueBannerText
|
|
//
|
|
Str_SetPtr(&(ped->pszCueBannerText), NULL);
|
|
|
|
//
|
|
// free the allocated password font
|
|
//
|
|
if ( ped->hFontPassword )
|
|
{
|
|
DeleteObject(ped->hFontPassword);
|
|
}
|
|
|
|
//
|
|
// Last but not least, free the ped
|
|
//
|
|
UserLocalFree(ped);
|
|
}
|
|
|
|
TraceMsg(TF_STANDARD, "EDIT: Clearing edit instance pointer.");
|
|
Edit_SetPtr(hwnd, NULL);
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------//
|
|
//
|
|
// Edit_SetPasswordCharHandler AorW
|
|
//
|
|
// Sets the password char to display.
|
|
//
|
|
VOID Edit_SetPasswordCharHandler(PED ped, UINT pwchar)
|
|
{
|
|
HDC hdc;
|
|
SIZE size = {0};
|
|
|
|
ped->charPasswordChar = pwchar;
|
|
|
|
if (pwchar)
|
|
{
|
|
hdc = Edit_GetDC(ped, TRUE);
|
|
|
|
if (ped->fAnsi)
|
|
{
|
|
GetTextExtentPointA(hdc, (LPSTR)&pwchar, 1, &size);
|
|
}
|
|
else
|
|
{
|
|
GetTextExtentPointW(hdc, (LPWSTR)&pwchar, 1, &size);
|
|
}
|
|
|
|
GetTextExtentPointW(hdc, (LPWSTR)&pwchar, 1, &size);
|
|
ped->cPasswordCharWidth = max(size.cx, 1);
|
|
Edit_ReleaseDC(ped, hdc, TRUE);
|
|
}
|
|
|
|
if (pwchar)
|
|
{
|
|
SetWindowState(ped->hwnd, ES_PASSWORD);
|
|
}
|
|
else
|
|
{
|
|
ClearWindowState(ped->hwnd, ES_PASSWORD);
|
|
}
|
|
|
|
if ( g_fIMMEnabled )
|
|
{
|
|
Edit_EnableDisableIME(ped);
|
|
}
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------//
|
|
//
|
|
// GetNegABCwidthInfo()
|
|
//
|
|
// This function fills up the ped->charWidthBuffer buffer with the
|
|
// negative A,B and C widths for all the characters below 0x7f in the
|
|
// currently selected font.
|
|
//
|
|
// Returns:
|
|
// TRUE, if the function succeeded.
|
|
// FALSE, if GDI calls to get the char widths have failed.
|
|
//
|
|
// Note: not used if LPK installed
|
|
//
|
|
BOOL GetNegABCwidthInfo(PED ped, HDC hdc)
|
|
{
|
|
LPABC lpABCbuff;
|
|
int i;
|
|
int CharWidthBuff[CHAR_WIDTH_BUFFER_LENGTH]; // Local char width buffer.
|
|
int iOverhang;
|
|
|
|
if (!GetCharABCWidthsA(hdc, 0, CHAR_WIDTH_BUFFER_LENGTH-1, (LPABC)ped->charWidthBuffer))
|
|
{
|
|
TraceMsg(TF_STANDARD, "UxEdit: GetNegABCwidthInfo: GetCharABCWidthsA Failed");
|
|
return FALSE;
|
|
}
|
|
|
|
//
|
|
// The (A+B+C) returned for some fonts (eg: Lucida Caligraphy) does not
|
|
// equal the actual advanced width returned by GetCharWidths() minus overhang.
|
|
// This is due to font bugs. So, we adjust the 'B' width so that this
|
|
// discrepancy is removed.
|
|
// Fix for Bug #2932 --sankar-- 02/17/93
|
|
//
|
|
iOverhang = ped->charOverhang;
|
|
GetCharWidthA(hdc, 0, CHAR_WIDTH_BUFFER_LENGTH-1, (LPINT)CharWidthBuff);
|
|
lpABCbuff = (LPABC)ped->charWidthBuffer;
|
|
for(i = 0; i < CHAR_WIDTH_BUFFER_LENGTH; i++)
|
|
{
|
|
lpABCbuff->abcB = CharWidthBuff[i] - iOverhang
|
|
- lpABCbuff->abcA
|
|
- lpABCbuff->abcC;
|
|
lpABCbuff++;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------//
|
|
//
|
|
// Edit_Size() -
|
|
//
|
|
// Handle sizing for an edit control's client rectangle.
|
|
// Use lprc as the bounding rectangle if specified; otherwise use the current
|
|
// client rectangle.
|
|
//
|
|
VOID Edit_Size(PED ped, LPRECT lprc, BOOL fRedraw)
|
|
{
|
|
RECT rc;
|
|
|
|
//
|
|
// BiDi VB32 Creates an Edit Control and immediately sends a WM_SIZE
|
|
// message which causes EXSize to be called before Edit_SetFont, which
|
|
// in turn causes a divide by zero exception below. This check for
|
|
// ped->lineHeight will pick it up safely. [samera] 3/5/97
|
|
//
|
|
if(ped->lineHeight == 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
//
|
|
// assume that we won't be able to display the caret
|
|
//
|
|
ped->fCaretHidden = TRUE;
|
|
|
|
|
|
if ( lprc )
|
|
{
|
|
CopyRect(&rc, lprc);
|
|
}
|
|
else
|
|
{
|
|
GetClientRect(ped->hwnd, &rc);
|
|
}
|
|
|
|
if (!(rc.right - rc.left) || !(rc.bottom - rc.top))
|
|
{
|
|
if (ped->rcFmt.right - ped->rcFmt.left)
|
|
{
|
|
return;
|
|
}
|
|
|
|
rc.left = 0;
|
|
rc.top = 0;
|
|
rc.right = ped->aveCharWidth * 10;
|
|
rc.bottom = ped->lineHeight;
|
|
}
|
|
|
|
if (!lprc)
|
|
{
|
|
//
|
|
// subtract the margins from the given rectangle --
|
|
// make sure that this rectangle is big enough to have these margins.
|
|
//
|
|
if ((rc.right - rc.left) > (int)(ped->wLeftMargin + ped->wRightMargin))
|
|
{
|
|
rc.left += ped->wLeftMargin;
|
|
rc.right -= ped->wRightMargin;
|
|
}
|
|
}
|
|
|
|
//
|
|
// Leave space so text doesn't touch borders.
|
|
// For 3.1 compatibility, don't subtract out vertical borders unless
|
|
// there is room.
|
|
//
|
|
if (ped->fBorder)
|
|
{
|
|
INT cxBorder = GetSystemMetrics(SM_CXBORDER);
|
|
INT cyBorder = GetSystemMetrics(SM_CYBORDER);
|
|
|
|
if (ped->fFlatBorder)
|
|
{
|
|
cxBorder *= 2;
|
|
cyBorder *= 2;
|
|
}
|
|
|
|
if (rc.bottom < rc.top + ped->lineHeight + 2*cyBorder)
|
|
{
|
|
cyBorder = 0;
|
|
}
|
|
|
|
InflateRect(&rc, -cxBorder, -cyBorder);
|
|
}
|
|
|
|
//
|
|
// Is the resulting rectangle too small? Don't change it then.
|
|
//
|
|
if ((!ped->fSingle) && ((rc.right - rc.left < (int) ped->aveCharWidth) ||
|
|
((rc.bottom - rc.top) / ped->lineHeight == 0)))
|
|
{
|
|
return;
|
|
}
|
|
|
|
//
|
|
// now, we know we're safe to display the caret
|
|
//
|
|
ped->fCaretHidden = FALSE;
|
|
|
|
CopyRect(&ped->rcFmt, &rc);
|
|
|
|
if (ped->fSingle)
|
|
{
|
|
ped->rcFmt.bottom = min(rc.bottom, rc.top + ped->lineHeight);
|
|
}
|
|
else
|
|
{
|
|
EditML_Size(ped, fRedraw);
|
|
}
|
|
|
|
if (fRedraw)
|
|
{
|
|
InvalidateRect(ped->hwnd, NULL, TRUE);
|
|
}
|
|
|
|
//
|
|
// FE_IME
|
|
// Edit_Size() - call Edit_ImmSetCompositionWindow()
|
|
//
|
|
// normally this isn't needed because WM_SIZE will cause
|
|
// WM_PAINT and the paint handler will take care of IME
|
|
// composition window. However when the edit window is
|
|
// restored from maximized window and client area is out
|
|
// of screen, the window will not be redrawn.
|
|
//
|
|
if (ped->fFocus && g_fIMMEnabled && ImmIsIME(GetKeyboardLayout(0)))
|
|
{
|
|
POINT pt;
|
|
|
|
GetCaretPos(&pt);
|
|
Edit_ImmSetCompositionWindow(ped, pt.x, pt.y);
|
|
}
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------//
|
|
//
|
|
// Edit_SetFont AorW
|
|
//
|
|
// Sets the font used in the edit control. Warning: Memory compaction may
|
|
// occur if the font wasn't previously loaded. If the font handle passed
|
|
// in is NULL, assume the system font.
|
|
//
|
|
BOOL Edit_SetFont(PED ped, HFONT hfont, BOOL fRedraw)
|
|
{
|
|
TEXTMETRICW TextMetrics = {0};
|
|
HDC hdc;
|
|
HFONT hOldFont=NULL;
|
|
DWORD dwMaxOverlapChars;
|
|
CHWIDTHINFO cwi;
|
|
UINT uExtracharPos;
|
|
BOOL fRet = FALSE;
|
|
|
|
hdc = GetDC(ped->hwnd);
|
|
if (hdc)
|
|
{
|
|
|
|
#ifdef _USE_DRAW_THEME_TEXT_
|
|
if (hfont)
|
|
{
|
|
ped->hFontSave = hfont;
|
|
}
|
|
|
|
if ( ped->hTheme )
|
|
{
|
|
//
|
|
// use the theme font if we're themed
|
|
//
|
|
HRESULT hr;
|
|
LOGFONT lf;
|
|
hr = GetThemeFont(ped->hTheme, hdc, EP_EDITTEXT, 0, TMT_FONT, &lf);
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
hfont = CreateFontIndirect(&lf);
|
|
}
|
|
}
|
|
#endif // _USE_DRAW_THEME_TEXT_
|
|
|
|
ped->hFont = hfont;
|
|
if (ped->hFont)
|
|
{
|
|
//
|
|
// Since the default font is the system font, no need to select it in
|
|
// if that's what the user wants.
|
|
//
|
|
hOldFont = SelectObject(hdc, hfont);
|
|
if (!hOldFont)
|
|
{
|
|
hfont = ped->hFont = NULL;
|
|
}
|
|
|
|
//
|
|
// Get the metrics and ave char width for the currently selected font
|
|
//
|
|
|
|
//
|
|
// Call Vertical font-aware AveWidth compute function...
|
|
//
|
|
// FE_SB
|
|
ped->aveCharWidth = UserGetCharDimensionsEx(hdc, hfont, &TextMetrics, &ped->lineHeight);
|
|
|
|
//
|
|
// This might fail when people uses network fonts (or bad fonts).
|
|
//
|
|
if (ped->aveCharWidth == 0)
|
|
{
|
|
TraceMsg(TF_STANDARD, "EDIT: Edit_SetFont: GdiGetCharDimensions failed");
|
|
if (hOldFont != NULL)
|
|
{
|
|
SelectObject(hdc, hOldFont);
|
|
}
|
|
|
|
//
|
|
// We've messed up the ped so let's reset the font.
|
|
// Note that we won't recurse more than once because we'll
|
|
// pass hfont == NULL.
|
|
// Too bad WM_SETFONT doesn't return a value.
|
|
//
|
|
return Edit_SetFont(ped, NULL, fRedraw);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ped->aveCharWidth = UserGetCharDimensionsEx(hdc, hfont, &TextMetrics, &ped->lineHeight);
|
|
|
|
// We should always be able to get the dimensions of the system font. Just in case
|
|
// set these guys to known system font constants
|
|
if ( ped->aveCharWidth == 0 )
|
|
{
|
|
ped->aveCharWidth = SYSFONT_CXCHAR;
|
|
ped->lineHeight = SYSFONT_CYCHAR;
|
|
}
|
|
}
|
|
|
|
ped->charOverhang = TextMetrics.tmOverhang;
|
|
|
|
//
|
|
// assume that they don't have any negative widths at all.
|
|
//
|
|
ped->wMaxNegA = ped->wMaxNegC = ped->wMaxNegAcharPos = ped->wMaxNegCcharPos = 0;
|
|
|
|
//
|
|
// Check if Proportional Width Font
|
|
//
|
|
// NOTE: as SDK doc says about TEXTMETRIC:
|
|
// TMPF_FIXED_PITCH
|
|
// If this bit is set the font is a variable pitch font. If this bit is clear
|
|
// the font is a fixed pitch font. Note very carefully that those meanings are
|
|
// the opposite of what the constant name implies.
|
|
//
|
|
// Thus we have to reverse the value using logical not (fNonPropFont has 1 bit width)
|
|
//
|
|
ped->fNonPropFont = !(TextMetrics.tmPitchAndFamily & FIXED_PITCH);
|
|
|
|
//
|
|
// Check for a TrueType font
|
|
// Older app OZWIN chokes if we allocate a bigger buffer for TrueType fonts
|
|
// So, for apps older than 4.0, no special treatment for TrueType fonts.
|
|
//
|
|
if (ped->f40Compat && (TextMetrics.tmPitchAndFamily & TMPF_TRUETYPE))
|
|
{
|
|
ped->fTrueType = GetCharWidthInfo(hdc, &cwi);
|
|
#if DBG
|
|
if (!ped->fTrueType)
|
|
{
|
|
TraceMsg(TF_STANDARD, "EDIT: Edit_SetFont: GetCharWidthInfo Failed");
|
|
}
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
ped->fTrueType = FALSE;
|
|
}
|
|
|
|
// FE_SB
|
|
//
|
|
// In DBCS Windows, Edit Control must handle Double Byte Character
|
|
// if tmCharSet field of textmetrics is double byte character set
|
|
// such as SHIFTJIS_CHARSET(128:Japan), HANGEUL_CHARSET(129:Korea).
|
|
//
|
|
// We call Edit_GetDBCSVector even when fAnsi is false so that we could
|
|
// treat ped->fAnsi and ped->fDBCS indivisually. I changed Edit_GetDBCSVector
|
|
// function so that it returns 0 or 1, because I would like to set ped->fDBCS
|
|
// bit field here.
|
|
//
|
|
ped->fDBCS = Edit_GetDBCSVector(ped,hdc,TextMetrics.tmCharSet);
|
|
ped->charSet = TextMetrics.tmCharSet;
|
|
|
|
if (ped->fDBCS)
|
|
{
|
|
//
|
|
// Free the character width buffer if ped->fDBCS.
|
|
//
|
|
// I expect single GetTextExtentPoint call is faster than multiple
|
|
// GetTextExtentPoint call (because the graphic engine has a cache buffer).
|
|
// See editec.c/ECTabTheTextOut().
|
|
//
|
|
if (ped->charWidthBuffer)
|
|
{
|
|
LocalFree(ped->charWidthBuffer);
|
|
ped->charWidthBuffer = NULL;
|
|
}
|
|
|
|
//
|
|
// if FullWidthChar : HalfWidthChar == 2 : 1....
|
|
//
|
|
// TextMetrics.tmMaxCharWidth = FullWidthChar width
|
|
// ped->aveCharWidth = HalfWidthChar width
|
|
//
|
|
if (ped->fNonPropFont &&
|
|
((ped->aveCharWidth * 2) == TextMetrics.tmMaxCharWidth))
|
|
{
|
|
ped->fNonPropDBCS = TRUE;
|
|
}
|
|
else
|
|
{
|
|
ped->fNonPropDBCS = FALSE;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// Since the font has changed, let us obtain and save the character width
|
|
// info for this font.
|
|
//
|
|
// First left us find out if the maximum chars that can overlap due to
|
|
// negative widths. Since we can't access USER globals, we make a call here.
|
|
//
|
|
if (!(ped->fSingle || ped->pLpkEditCallout))
|
|
{
|
|
//
|
|
// Is this a multiline edit control with no LPK present?
|
|
//
|
|
UINT wBuffSize;
|
|
LPINT lpCharWidthBuff;
|
|
SHORT i;
|
|
|
|
//
|
|
// For multiline edit controls, we maintain a buffer that contains
|
|
// the character width information.
|
|
//
|
|
wBuffSize = (ped->fTrueType) ? (CHAR_WIDTH_BUFFER_LENGTH * sizeof(ABC)) :
|
|
(CHAR_WIDTH_BUFFER_LENGTH * sizeof(int));
|
|
|
|
if (ped->charWidthBuffer)
|
|
{
|
|
//
|
|
// If buffer already present
|
|
//
|
|
lpCharWidthBuff = ped->charWidthBuffer;
|
|
ped->charWidthBuffer = UserLocalReAlloc(lpCharWidthBuff, wBuffSize, HEAP_ZERO_MEMORY);
|
|
if (ped->charWidthBuffer == NULL)
|
|
{
|
|
UserLocalFree((HANDLE)lpCharWidthBuff);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ped->charWidthBuffer = UserLocalAlloc(HEAP_ZERO_MEMORY, wBuffSize);
|
|
}
|
|
|
|
if (ped->charWidthBuffer != NULL)
|
|
{
|
|
if (ped->fTrueType)
|
|
{
|
|
ped->fTrueType = GetNegABCwidthInfo(ped, hdc);
|
|
}
|
|
|
|
//
|
|
// It is possible that the above attempts could have failed and reset
|
|
// the value of fTrueType. So, let us check that value again.
|
|
//
|
|
if (!ped->fTrueType)
|
|
{
|
|
if (!GetCharWidthA(hdc, 0, CHAR_WIDTH_BUFFER_LENGTH-1, ped->charWidthBuffer))
|
|
{
|
|
UserLocalFree((HANDLE)ped->charWidthBuffer);
|
|
ped->charWidthBuffer=NULL;
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// We need to subtract out the overhang associated with
|
|
// each character since GetCharWidth includes it...
|
|
//
|
|
for (i=0;i < CHAR_WIDTH_BUFFER_LENGTH;i++)
|
|
{
|
|
ped->charWidthBuffer[i] -= ped->charOverhang;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
{
|
|
//
|
|
// Calculate MaxNeg A C metrics
|
|
//
|
|
dwMaxOverlapChars = 0;
|
|
if (ped->fTrueType)
|
|
{
|
|
if (cwi.lMaxNegA < 0)
|
|
{
|
|
ped->wMaxNegA = -cwi.lMaxNegA;
|
|
}
|
|
else
|
|
{
|
|
ped->wMaxNegA = 0;
|
|
}
|
|
|
|
if (cwi.lMaxNegC < 0)
|
|
{
|
|
ped->wMaxNegC = -cwi.lMaxNegC;
|
|
}
|
|
else
|
|
{
|
|
ped->wMaxNegC = 0;
|
|
}
|
|
|
|
if (cwi.lMinWidthD != 0)
|
|
{
|
|
ped->wMaxNegAcharPos = (ped->wMaxNegA + cwi.lMinWidthD - 1) / cwi.lMinWidthD;
|
|
ped->wMaxNegCcharPos = (ped->wMaxNegC + cwi.lMinWidthD - 1) / cwi.lMinWidthD;
|
|
if (ped->wMaxNegA + ped->wMaxNegC > (UINT)cwi.lMinWidthD)
|
|
{
|
|
uExtracharPos = (ped->wMaxNegA + ped->wMaxNegC - 1) / cwi.lMinWidthD;
|
|
ped->wMaxNegAcharPos += uExtracharPos;
|
|
ped->wMaxNegCcharPos += uExtracharPos;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ped->wMaxNegAcharPos = LOWORD(dwMaxOverlapChars); // Left
|
|
ped->wMaxNegCcharPos = HIWORD(dwMaxOverlapChars); // Right
|
|
}
|
|
|
|
}
|
|
else if (ped->charOverhang != 0)
|
|
{
|
|
//
|
|
// Some bitmaps fonts (i.e., italic) have under/overhangs;
|
|
// this is pretty much like having negative A and C widths.
|
|
//
|
|
ped->wMaxNegA = ped->wMaxNegC = ped->charOverhang;
|
|
ped->wMaxNegAcharPos = LOWORD(dwMaxOverlapChars); // Left
|
|
ped->wMaxNegCcharPos = HIWORD(dwMaxOverlapChars); // Right
|
|
}
|
|
}
|
|
|
|
if (!hfont)
|
|
{
|
|
//
|
|
// We are getting the stats for the system font so update the system
|
|
// font fields in the ed structure since we use these when calculating
|
|
// some spacing.
|
|
//
|
|
ped->cxSysCharWidth = ped->aveCharWidth;
|
|
ped->cySysCharHeight= ped->lineHeight;
|
|
}
|
|
else if (hOldFont)
|
|
{
|
|
SelectObject(hdc, hOldFont);
|
|
}
|
|
|
|
if (ped->fFocus)
|
|
{
|
|
UINT cxCaret;
|
|
|
|
SystemParametersInfo(SPI_GETCARETWIDTH, 0, (LPVOID)&cxCaret, 0);
|
|
|
|
//
|
|
// Update the caret.
|
|
//
|
|
HideCaret(ped->hwnd);
|
|
DestroyCaret();
|
|
|
|
if (ped->pLpkEditCallout)
|
|
{
|
|
ped->pLpkEditCallout->EditCreateCaret((PED0)ped, hdc, cxCaret, ped->lineHeight, 0);
|
|
}
|
|
else
|
|
{
|
|
CreateCaret(ped->hwnd, (HBITMAP)NULL, cxCaret, ped->lineHeight);
|
|
}
|
|
ShowCaret(ped->hwnd);
|
|
}
|
|
|
|
ReleaseDC(ped->hwnd, hdc);
|
|
|
|
//
|
|
// Update password character.
|
|
//
|
|
if (ped->charPasswordChar)
|
|
{
|
|
Edit_SetPasswordCharHandler(ped, ped->charPasswordChar);
|
|
}
|
|
|
|
//
|
|
// If it is a TrueType font and it's a new app, set both the margins at the
|
|
// max negative width values for all types of the edit controls.
|
|
// (NOTE: Can't use ped->f40Compat here because edit-controls inside dialog
|
|
// boxes without DS_LOCALEDIT style are always marked as 4.0 compat.
|
|
// This is the fix for NETBENCH 3.0)
|
|
//
|
|
|
|
if (ped->fTrueType && ped->f40Compat)
|
|
{
|
|
if (ped->fDBCS)
|
|
{
|
|
//
|
|
// For DBCS TrueType Font, we calc margin from ABC width.
|
|
//
|
|
Edit_CalcMarginForDBCSFont(ped, fRedraw);
|
|
}
|
|
else
|
|
{
|
|
Edit_SetMargin(ped, EC_LEFTMARGIN | EC_RIGHTMARGIN,
|
|
MAKELONG(EC_USEFONTINFO, EC_USEFONTINFO), fRedraw);
|
|
}
|
|
}
|
|
|
|
//
|
|
// We need to calc maxPixelWidth when font changes.
|
|
// If the word-wrap is ON, then this is done in EditML_Size() called later.
|
|
//
|
|
if((!ped->fSingle) && (!ped->fWrap))
|
|
{
|
|
EditML_BuildchLines(ped, 0, 0, FALSE, NULL, NULL);
|
|
}
|
|
|
|
//
|
|
// Recalc the layout.
|
|
//
|
|
Edit_Size(ped, NULL, fRedraw);
|
|
|
|
if ( ped->fFocus && ImmIsIME(GetKeyboardLayout(0)) )
|
|
{
|
|
Edit_SetCompositionFont( ped );
|
|
}
|
|
|
|
fRet = TRUE;
|
|
}
|
|
|
|
return fRet;
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------//
|
|
//
|
|
// Edit_IsCharNumeric AorW
|
|
//
|
|
// Tests whether the character entered is a numeral.
|
|
// For multiline and singleline edit controls with the ES_NUMBER style.
|
|
//
|
|
BOOL Edit_IsCharNumeric(PED ped, DWORD keyPress)
|
|
{
|
|
WORD wCharType;
|
|
|
|
if (ped->fAnsi)
|
|
{
|
|
char ch = (char)keyPress;
|
|
LCID lcid = (LCID)((ULONG_PTR)GetKeyboardLayout(0) & 0xFFFF);
|
|
GetStringTypeA(lcid, CT_CTYPE1, &ch, 1, &wCharType);
|
|
}
|
|
else
|
|
{
|
|
WCHAR wch = (WCHAR)keyPress;
|
|
GetStringTypeW(CT_CTYPE1, &wch, 1, &wCharType);
|
|
}
|
|
return (wCharType & C1_DIGIT ? TRUE : FALSE);
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------//
|
|
VOID Edit_EnableDisableIME(PED ped)
|
|
{
|
|
if ( ped->fReadOnly || ped->charPasswordChar )
|
|
{
|
|
//
|
|
// IME should be disabled
|
|
//
|
|
HIMC hImc;
|
|
hImc = ImmGetContext( ped->hwnd );
|
|
|
|
if ( hImc != NULL_HIMC )
|
|
{
|
|
ImmReleaseContext( ped->hwnd, hImc );
|
|
ped->hImcPrev = ImmAssociateContext( ped->hwnd, NULL_HIMC );
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// IME should be enabled
|
|
//
|
|
if ( ped->hImcPrev != NULL_HIMC )
|
|
{
|
|
ped->hImcPrev = ImmAssociateContext( ped->hwnd, ped->hImcPrev );
|
|
|
|
//
|
|
// Font and the caret position might be changed while
|
|
// IME was being disabled. Set those now if the window
|
|
// has the focus.
|
|
//
|
|
if ( ped->fFocus )
|
|
{
|
|
POINT pt;
|
|
|
|
Edit_SetCompositionFont( ped );
|
|
|
|
GetCaretPos( &pt );
|
|
Edit_ImmSetCompositionWindow( ped, pt.x, pt.y );
|
|
}
|
|
}
|
|
}
|
|
|
|
Edit_InitInsert(ped, GetKeyboardLayout(0));
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------//
|
|
VOID Edit_ImmSetCompositionWindow(PED ped, LONG x, LONG y)
|
|
{
|
|
COMPOSITIONFORM cf = {0};
|
|
COMPOSITIONFORM cft = {0};
|
|
RECT rcScreenWindow;
|
|
HIMC hImc;
|
|
|
|
hImc = ImmGetContext(ped->hwnd);
|
|
if ( hImc != NULL_HIMC )
|
|
{
|
|
if ( ped->fFocus )
|
|
{
|
|
GetWindowRect( ped->hwnd, &rcScreenWindow);
|
|
|
|
//
|
|
// assuming RECT.left is the first and and RECT.top is the second field
|
|
//
|
|
MapWindowPoints( ped->hwnd, HWND_DESKTOP, (LPPOINT)&rcScreenWindow, 2);
|
|
if (ped->fInReconversion)
|
|
{
|
|
DWORD dwPoint = (DWORD)(ped->fAnsi ? SendMessageA : SendMessageW)(ped->hwnd, EM_POSFROMCHAR, ped->ichMinSel, 0);
|
|
|
|
x = GET_X_LPARAM(dwPoint);
|
|
y = GET_Y_LPARAM(dwPoint);
|
|
|
|
TraceMsg(TF_STANDARD, "UxEdit: Edit_ImmSetCompositionWindow: fInReconversion (%d,%d)", x, y);
|
|
}
|
|
|
|
//
|
|
// The window currently has the focus.
|
|
//
|
|
if (ped->fSingle)
|
|
{
|
|
//
|
|
// Single line edit control.
|
|
//
|
|
cf.dwStyle = CFS_POINT;
|
|
cf.ptCurrentPos.x = x;
|
|
cf.ptCurrentPos.y = y;
|
|
SetRectEmpty(&cf.rcArea);
|
|
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// Multi line edit control.
|
|
//
|
|
cf.dwStyle = CFS_RECT;
|
|
cf.ptCurrentPos.x = x;
|
|
cf.ptCurrentPos.y = y;
|
|
cf.rcArea = ped->rcFmt;
|
|
}
|
|
ImmGetCompositionWindow( hImc, &cft );
|
|
if ( (!RtlEqualMemory(&cf,&cft,sizeof(COMPOSITIONFORM))) ||
|
|
(ped->ptScreenBounding.x != rcScreenWindow.left) ||
|
|
(ped->ptScreenBounding.y != rcScreenWindow.top) )
|
|
{
|
|
|
|
ped->ptScreenBounding.x = rcScreenWindow.left;
|
|
ped->ptScreenBounding.y = rcScreenWindow.top;
|
|
ImmSetCompositionWindow( hImc, &cf );
|
|
}
|
|
}
|
|
ImmReleaseContext( ped->hwnd, hImc );
|
|
}
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------//
|
|
VOID Edit_SetCompositionFont(PED ped)
|
|
{
|
|
HIMC hImc;
|
|
LOGFONTW lf;
|
|
|
|
hImc = ImmGetContext( ped->hwnd );
|
|
if (hImc != NULL_HIMC)
|
|
{
|
|
if (ped->hFont)
|
|
{
|
|
GetObjectW(ped->hFont, sizeof(LOGFONTW), (LPLOGFONTW)&lf);
|
|
}
|
|
else
|
|
{
|
|
GetObjectW(GetStockObject(SYSTEM_FONT), sizeof(LOGFONTW), (LPLOGFONTW)&lf);
|
|
}
|
|
|
|
ImmSetCompositionFontW( hImc, &lf );
|
|
ImmReleaseContext( ped->hwnd, hImc );
|
|
}
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------//
|
|
//
|
|
// Edit_InitInsert
|
|
//
|
|
// this function is called when:
|
|
// 1) a edit control window is initialized
|
|
// 2) active keyboard layout of current thread is changed
|
|
// 3) read only attribute of this edit control is changed
|
|
//
|
|
VOID Edit_InitInsert( PED ped, HKL hkl )
|
|
{
|
|
ped->fKorea = FALSE;
|
|
ped->fInsertCompChr = FALSE;
|
|
ped->fNoMoveCaret = FALSE;
|
|
ped->fResultProcess = FALSE;
|
|
|
|
if (g_fIMMEnabled && ImmIsIME(hkl) )
|
|
{
|
|
if (PRIMARYLANGID(LOWORD(HandleToUlong(hkl))) == LANG_KOREAN )
|
|
{
|
|
ped->fKorea = TRUE;
|
|
}
|
|
|
|
//
|
|
// LATER:this flag should be set based on the IME caps
|
|
// retrieved from IME. (Such IME caps should be defined)
|
|
// For now, we can safely assume that only Korean IMEs
|
|
// set CS_INSERTCHAR.
|
|
//
|
|
if ( ped->fKorea )
|
|
{
|
|
ped->fInsertCompChr = TRUE;
|
|
}
|
|
}
|
|
|
|
//
|
|
// if we had a composition character, the shape of caret
|
|
// is changed. We need to reset the caret shape.
|
|
//
|
|
if ( ped->fReplaceCompChr )
|
|
{
|
|
ped->fReplaceCompChr = FALSE;
|
|
Edit_SetCaretHandler( ped );
|
|
}
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------//
|
|
VOID Edit_SetCaretHandler(PED ped)
|
|
{
|
|
HDC hdc;
|
|
PSTR pText;
|
|
SIZE size = {0};
|
|
|
|
//
|
|
// In any case destroy caret beforehand otherwise SetCaretPos()
|
|
// will get crazy.. win95d-B#992,B#2370
|
|
//
|
|
if (ped->fFocus)
|
|
{
|
|
HideCaret(ped->hwnd);
|
|
DestroyCaret();
|
|
if ( ped->fReplaceCompChr )
|
|
{
|
|
|
|
hdc = Edit_GetDC(ped, TRUE );
|
|
pText = Edit_Lock(ped);
|
|
|
|
if ( ped->fAnsi)
|
|
{
|
|
GetTextExtentPointA(hdc, pText + ped->ichCaret, 2, &size);
|
|
}
|
|
else
|
|
{
|
|
GetTextExtentPointW(hdc, (LPWSTR)pText + ped->ichCaret, 1, &size);
|
|
}
|
|
|
|
Edit_Unlock(ped);
|
|
Edit_ReleaseDC(ped, hdc, TRUE);
|
|
|
|
CreateCaret(ped->hwnd, (HBITMAP)NULL, size.cx, ped->lineHeight);
|
|
}
|
|
else
|
|
{
|
|
CreateCaret(ped->hwnd,
|
|
(HBITMAP)NULL,
|
|
(ped->cxSysCharWidth > ped->aveCharWidth ? 1 : 2),
|
|
ped->lineHeight);
|
|
}
|
|
|
|
hdc = Edit_GetDC(ped, TRUE );
|
|
if ( ped->fSingle )
|
|
{
|
|
EditSL_SetCaretPosition( ped, hdc );
|
|
}
|
|
else
|
|
{
|
|
EditML_SetCaretPosition( ped, hdc );
|
|
}
|
|
|
|
Edit_ReleaseDC(ped, hdc, TRUE);
|
|
ShowCaret(ped->hwnd);
|
|
}
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------//
|
|
#define GET_COMPOSITION_STRING (ped->fAnsi ? ImmGetCompositionStringA : ImmGetCompositionStringW)
|
|
|
|
BOOL Edit_ResultStrHandler(PED ped)
|
|
{
|
|
HIMC himc;
|
|
LPSTR lpStr;
|
|
LONG dwLen;
|
|
|
|
ped->fInsertCompChr = FALSE; // clear the state
|
|
ped->fNoMoveCaret = FALSE;
|
|
|
|
himc = ImmGetContext(ped->hwnd);
|
|
if ( himc == NULL_HIMC )
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
dwLen = GET_COMPOSITION_STRING(himc, GCS_RESULTSTR, NULL, 0);
|
|
|
|
if (dwLen == 0)
|
|
{
|
|
ImmReleaseContext(ped->hwnd, himc);
|
|
return FALSE;
|
|
}
|
|
|
|
dwLen *= ped->cbChar;
|
|
dwLen += ped->cbChar;
|
|
|
|
lpStr = (LPSTR)GlobalAlloc(GPTR, dwLen);
|
|
if (lpStr == NULL)
|
|
{
|
|
ImmReleaseContext(ped->hwnd, himc);
|
|
return FALSE;
|
|
}
|
|
|
|
GET_COMPOSITION_STRING(himc, GCS_RESULTSTR, lpStr, dwLen);
|
|
|
|
if (ped->fSingle)
|
|
{
|
|
EditSL_ReplaceSel(ped, lpStr);
|
|
}
|
|
else
|
|
{
|
|
EditML_ReplaceSel(ped, lpStr);
|
|
}
|
|
|
|
GlobalFree((HGLOBAL)lpStr);
|
|
|
|
ImmReleaseContext(ped->hwnd, himc);
|
|
|
|
ped->fReplaceCompChr = FALSE;
|
|
ped->fNoMoveCaret = FALSE;
|
|
ped->fResultProcess = FALSE;
|
|
|
|
Edit_SetCaretHandler(ped);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------//
|
|
LRESULT Edit_ImeComposition(PED ped, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
INT ich;
|
|
LRESULT lReturn = 1;
|
|
HDC hdc;
|
|
BOOL fSLTextUpdated = FALSE;
|
|
ICH iResult;
|
|
HIMC hImc;
|
|
BYTE TextBuf[4];
|
|
|
|
if (!ped->fInsertCompChr)
|
|
{
|
|
if (lParam & GCS_RESULTSTR)
|
|
{
|
|
Edit_InOutReconversionMode(ped, FALSE);
|
|
|
|
if (!ped->fKorea && ped->wImeStatus & EIMES_GETCOMPSTRATONCE)
|
|
{
|
|
ResultAtOnce:
|
|
Edit_ResultStrHandler(ped);
|
|
lParam &= ~GCS_RESULTSTR;
|
|
}
|
|
}
|
|
return DefWindowProc(ped->hwnd, WM_IME_COMPOSITION, wParam, lParam);
|
|
}
|
|
|
|
//
|
|
// In case of Ansi edit control, the length of minimum composition string
|
|
// is 2. Check here maximum byte of edit control.
|
|
//
|
|
if( ped->fAnsi && ped->cchTextMax == 1 )
|
|
{
|
|
HIMC hImc;
|
|
|
|
hImc = ImmGetContext( ped->hwnd );
|
|
ImmNotifyIME(hImc, NI_COMPOSITIONSTR, CPS_CANCEL, 0L);
|
|
ImmReleaseContext( ped->hwnd, hImc );
|
|
MessageBeep(MB_ICONEXCLAMATION);
|
|
return lReturn;
|
|
}
|
|
|
|
//
|
|
// Don't move this after CS_NOMOVECARET check.
|
|
// In case if skip the message, fNoMoveCaret should not be set.
|
|
//
|
|
if ((lParam & CS_INSERTCHAR) && ped->fResultProcess)
|
|
{
|
|
//
|
|
// Now we're in result processing. GCS_RESULTSTR ends up
|
|
// to WM_IME_CHAR and WM_CHAR. Since WM_CHAR is posted,
|
|
// the message(s) will come later than this CS_INSERTCHAR
|
|
// message. This composition character should be handled
|
|
// after the WM_CHAR message(s).
|
|
//
|
|
if(ped->fAnsi)
|
|
{
|
|
PostMessageA(ped->hwnd, WM_IME_COMPOSITION, wParam, lParam);
|
|
}
|
|
else
|
|
{
|
|
PostMessageW(ped->hwnd, WM_IME_COMPOSITION, wParam, lParam);
|
|
}
|
|
|
|
ped->fResultProcess = FALSE;
|
|
|
|
return lReturn;
|
|
}
|
|
|
|
if (lParam & GCS_RESULTSTR)
|
|
{
|
|
if (!ped->fKorea && ped->wImeStatus & EIMES_GETCOMPSTRATONCE)
|
|
{
|
|
goto ResultAtOnce;
|
|
}
|
|
|
|
ped->fResultProcess = TRUE;
|
|
if ( ped->fReplaceCompChr )
|
|
{
|
|
//
|
|
// we have a DBCS character to be replaced.
|
|
// let's delete it before inserting the new one.
|
|
//
|
|
ich = (ped->fAnsi) ? 2 : 1;
|
|
ped->fReplaceCompChr = FALSE;
|
|
ped->ichMaxSel = min(ped->ichCaret + ich, ped->cch);
|
|
ped->ichMinSel = ped->ichCaret;
|
|
|
|
if ( Edit_DeleteText( ped ) > 0 )
|
|
{
|
|
if ( ped->fSingle )
|
|
{
|
|
//
|
|
// Update the display
|
|
//
|
|
Edit_NotifyParent(ped, EN_UPDATE);
|
|
hdc = Edit_GetDC(ped,FALSE);
|
|
EditSL_DrawText(ped, hdc, 0);
|
|
Edit_ReleaseDC(ped,hdc,FALSE);
|
|
//
|
|
// Tell parent our text contents changed.
|
|
//
|
|
Edit_NotifyParent(ped, EN_CHANGE);
|
|
}
|
|
}
|
|
Edit_SetCaretHandler( ped );
|
|
}
|
|
|
|
}
|
|
else if (lParam & CS_INSERTCHAR)
|
|
{
|
|
|
|
//
|
|
// If we are in the middle of a mousedown command, don't do anything.
|
|
//
|
|
if (ped->fMouseDown)
|
|
{
|
|
return lReturn;
|
|
}
|
|
|
|
//
|
|
// We can safely assume that interimm character is always DBCS.
|
|
//
|
|
ich = ( ped->fAnsi ) ? 2 : 1;
|
|
|
|
if ( ped->fReplaceCompChr )
|
|
{
|
|
//
|
|
// we have a character to be replaced.
|
|
// let's delete it before inserting the new one.
|
|
// when we have a composition characters, the
|
|
// caret is placed before the composition character.
|
|
//
|
|
ped->ichMaxSel = min(ped->ichCaret+ich, ped->cch);
|
|
ped->ichMinSel = ped->ichCaret;
|
|
}
|
|
|
|
//
|
|
// let's delete current selected text or composition character
|
|
//
|
|
if ( ped->fSingle )
|
|
{
|
|
if ( Edit_DeleteText( ped ) > 0 )
|
|
{
|
|
fSLTextUpdated = TRUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
EditML_DeleteText( ped );
|
|
}
|
|
|
|
//
|
|
// When the composition charcter is canceled, IME may give us NULL wParam,
|
|
// with CS_INSERTCHAR flag on. We shouldn't insert a NULL character.
|
|
//
|
|
if ( wParam != 0 )
|
|
{
|
|
|
|
if ( ped->fAnsi )
|
|
{
|
|
TextBuf[0] = HIBYTE(LOWORD(wParam)); // leading byte
|
|
TextBuf[1] = LOBYTE(LOWORD(wParam)); // trailing byte
|
|
TextBuf[2] = '\0';
|
|
}
|
|
else
|
|
{
|
|
TextBuf[0] = LOBYTE(LOWORD(wParam));
|
|
TextBuf[1] = HIBYTE(LOWORD(wParam));
|
|
TextBuf[2] = '\0';
|
|
TextBuf[3] = '\0';
|
|
}
|
|
|
|
if ( ped->fSingle )
|
|
{
|
|
iResult = EditSL_InsertText( ped, (LPSTR)TextBuf, ich );
|
|
if (iResult == 0)
|
|
{
|
|
//
|
|
// Couldn't insert the text, for e.g. the text exceeded the limit.
|
|
//
|
|
MessageBeep(0);
|
|
}
|
|
else if (iResult > 0)
|
|
{
|
|
//
|
|
// Remember we need to update the text.
|
|
//
|
|
fSLTextUpdated = TRUE;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
iResult = EditML_InsertText( ped, (LPSTR)TextBuf, ich, TRUE);
|
|
}
|
|
|
|
if ( iResult > 0 )
|
|
{
|
|
//
|
|
// ped->fReplaceCompChr will be reset:
|
|
//
|
|
// 1) when the character is finalized.
|
|
// we will receive GCS_RESULTSTR
|
|
//
|
|
// 2) when the character is canceled.
|
|
//
|
|
// we will receive WM_IME_COMPOSITION|CS_INSERTCHAR
|
|
// with wParam == 0 (in case of user types backspace
|
|
// at the first element of composition character).
|
|
//
|
|
// or
|
|
//
|
|
// we will receive WM_IME_ENDCOMPOSITION message
|
|
//
|
|
ped->fReplaceCompChr = TRUE;
|
|
|
|
//
|
|
// Caret should be placed BEFORE the composition
|
|
// character.
|
|
//
|
|
ped->ichCaret = max( 0, (INT)ped->ichCaret - ich);
|
|
Edit_SetCaretHandler( ped );
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// We failed to insert a character. We might run out
|
|
// of memory, or reached to the text size limit. let's
|
|
// cancel the composition character.
|
|
//
|
|
hImc = ImmGetContext(ped->hwnd);
|
|
ImmNotifyIME(hImc, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
|
|
ImmReleaseContext(ped->hwnd, hImc);
|
|
|
|
ped->fReplaceCompChr = FALSE;
|
|
Edit_SetCaretHandler( ped );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// the composition character is canceled.
|
|
//
|
|
ped->fReplaceCompChr = FALSE;
|
|
Edit_SetCaretHandler( ped );
|
|
}
|
|
|
|
//
|
|
// We won't notify parent the text change
|
|
// because the composition character has
|
|
// not been finalized.
|
|
//
|
|
if ( fSLTextUpdated )
|
|
{
|
|
//
|
|
// Update the display
|
|
//
|
|
Edit_NotifyParent(ped, EN_UPDATE);
|
|
|
|
hdc = Edit_GetDC(ped,FALSE);
|
|
|
|
if ( ped->fReplaceCompChr )
|
|
{
|
|
//
|
|
// move back the caret to the original position
|
|
// temporarily so that our new block cursor can
|
|
// be located within the visible area of window.
|
|
//
|
|
ped->ichCaret = min( ped->cch, ped->ichCaret + ich);
|
|
EditSL_ScrollText(ped, hdc);
|
|
ped->ichCaret = max( 0, (INT)ped->ichCaret - ich);
|
|
}
|
|
else
|
|
{
|
|
EditSL_ScrollText(ped, hdc);
|
|
}
|
|
EditSL_DrawText(ped, hdc, 0);
|
|
|
|
Edit_ReleaseDC(ped,hdc,FALSE);
|
|
|
|
//
|
|
// Tell parent our text contents changed.
|
|
//
|
|
Edit_NotifyParent(ped, EN_CHANGE);
|
|
}
|
|
return lReturn;
|
|
}
|
|
|
|
return DefWindowProc(ped->hwnd, WM_IME_COMPOSITION, wParam, lParam);
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------//
|
|
//
|
|
// HanjaKeyHandler
|
|
//
|
|
// VK_HANJA handler - Korean only
|
|
//
|
|
BOOL HanjaKeyHandler(PED ped)
|
|
{
|
|
BOOL changeSelection = FALSE;
|
|
|
|
if (ped->fKorea && !ped->fReadOnly)
|
|
{
|
|
ICH oldCaret = ped->ichCaret;
|
|
|
|
if (ped->fReplaceCompChr)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
if (ped->ichMinSel < ped->ichMaxSel)
|
|
{
|
|
ped->ichCaret = ped->ichMinSel;
|
|
}
|
|
|
|
if (!ped->cch || ped->cch == ped->ichCaret)
|
|
{
|
|
ped->ichCaret = oldCaret;
|
|
MessageBeep(MB_ICONEXCLAMATION);
|
|
return FALSE;
|
|
}
|
|
|
|
if (ped->fAnsi)
|
|
{
|
|
if (ImmEscapeA(GetKeyboardLayout(0), ImmGetContext(ped->hwnd),
|
|
IME_ESC_HANJA_MODE, (Edit_Lock(ped) + ped->ichCaret * ped->cbChar)))
|
|
{
|
|
changeSelection = TRUE;
|
|
}
|
|
else
|
|
{
|
|
ped->ichCaret = oldCaret;
|
|
}
|
|
|
|
Edit_Unlock(ped);
|
|
}
|
|
else
|
|
{
|
|
if (ImmEscapeW(GetKeyboardLayout(0), ImmGetContext(ped->hwnd),
|
|
IME_ESC_HANJA_MODE, (Edit_Lock(ped) + ped->ichCaret * ped->cbChar)))
|
|
{
|
|
changeSelection = TRUE;
|
|
}
|
|
else
|
|
{
|
|
ped->ichCaret = oldCaret;
|
|
}
|
|
|
|
Edit_Unlock(ped);
|
|
}
|
|
}
|
|
|
|
return changeSelection;
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------//
|
|
// Edit_RequestHandler()
|
|
//
|
|
// Handles WM_IME_REQUEST message originated by IME
|
|
//
|
|
|
|
#define MAX_ECDOCFEED 20
|
|
|
|
|
|
ICH Edit_ImeGetDocFeedMin(PED ped, LPSTR lpstr)
|
|
{
|
|
ICH ich;
|
|
|
|
|
|
if (ped->ichMinSel > MAX_ECDOCFEED)
|
|
{
|
|
ich = ped->ichMinSel - MAX_ECDOCFEED;
|
|
ich = Edit_AdjustIch(ped, lpstr, ich);
|
|
}
|
|
else
|
|
{
|
|
ich = 0;
|
|
}
|
|
|
|
return ich;
|
|
}
|
|
|
|
ICH Edit_ImeGetDocFeedMax(PED ped, LPSTR lpstr)
|
|
{
|
|
ICH ich;
|
|
|
|
if ((ped->cch - ped->ichMaxSel) > MAX_ECDOCFEED)
|
|
{
|
|
ich = ped->ichMaxSel + MAX_ECDOCFEED;
|
|
ich = Edit_AdjustIch(ped, lpstr, ich);
|
|
}
|
|
else
|
|
{
|
|
ich = ped->cch;
|
|
}
|
|
|
|
return ich;
|
|
}
|
|
|
|
LRESULT Edit_RequestHandler(PED ped, WPARAM dwSubMsg, LPARAM lParam)
|
|
{
|
|
LRESULT lreturn = 0L;
|
|
|
|
switch (dwSubMsg)
|
|
{
|
|
case IMR_CONFIRMRECONVERTSTRING:
|
|
|
|
//
|
|
// CHECK VERSION of the structure
|
|
//
|
|
if (lParam && ((LPRECONVERTSTRING)lParam)->dwVersion != 0)
|
|
{
|
|
TraceMsg(TF_STANDARD, "Edit_RequestHandler: RECONVERTSTRING dwVersion is not expected.",
|
|
((LPRECONVERTSTRING)lParam)->dwVersion);
|
|
return 0L;
|
|
}
|
|
|
|
if (lParam && ped && ped->fFocus && ped->hText && ImmIsIME(GetKeyboardLayout(0)))
|
|
{
|
|
LPVOID lpSrc;
|
|
lpSrc = Edit_Lock(ped);
|
|
if (lpSrc == NULL)
|
|
{
|
|
TraceMsg(TF_STANDARD, "Edit_RequestHandler: LOCALLOCK(ped) failed.");
|
|
}
|
|
else
|
|
{
|
|
LPRECONVERTSTRING lpRCS = (LPRECONVERTSTRING)lParam;
|
|
ICH ichStart;
|
|
ICH ichEnd;
|
|
UINT cchLen;
|
|
|
|
ichStart = Edit_ImeGetDocFeedMin(ped, lpSrc);
|
|
ichEnd = Edit_ImeGetDocFeedMax(ped, lpSrc);
|
|
UserAssert(ichEnd >= ichStart);
|
|
|
|
cchLen = ichEnd - ichStart; // holds character count.
|
|
|
|
Edit_Unlock(ped);
|
|
|
|
if (lpRCS->dwStrLen != cchLen)
|
|
{
|
|
TraceMsg(TF_STANDARD, "Edit_RequestHandler: the given string length is not expected.");
|
|
}
|
|
else
|
|
{
|
|
ICH ichSelStart;
|
|
ICH ichSelEnd;
|
|
|
|
ichSelStart = ichStart + (lpRCS->dwCompStrOffset / ped->cbChar);
|
|
ichSelEnd = ichSelStart + lpRCS->dwCompStrLen;
|
|
|
|
|
|
(ped->fAnsi ? SendMessageA : SendMessageW)(ped->hwnd, EM_SETSEL, ichSelStart, ichSelEnd);
|
|
|
|
lreturn = 1L;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case IMR_RECONVERTSTRING:
|
|
//
|
|
// CHECK VERSION of the structure
|
|
//
|
|
if (lParam && ((LPRECONVERTSTRING)lParam)->dwVersion != 0)
|
|
{
|
|
TraceMsg(TF_STANDARD, "UxEdit: Edit_RequestHandler: RECONVERTSTRING dwVersion is not expected.");
|
|
|
|
return 0L;
|
|
}
|
|
|
|
if (ped && ped->fFocus && ped->hText && ImmIsIME(GetKeyboardLayout(0)))
|
|
{
|
|
ICH ichStart;
|
|
ICH ichEnd;
|
|
UINT cchLen;
|
|
UINT cchSelLen;
|
|
LPVOID lpSrc;
|
|
lpSrc = Edit_Lock(ped);
|
|
if (lpSrc == NULL)
|
|
{
|
|
TraceMsg(TF_STANDARD, "Edit_RequestHandler: LOCALLOCK(ped) failed.");
|
|
return 0L;
|
|
}
|
|
|
|
ichStart = Edit_ImeGetDocFeedMin(ped, lpSrc);
|
|
ichEnd = Edit_ImeGetDocFeedMax(ped, lpSrc);
|
|
UserAssert(ichEnd >= ichStart);
|
|
|
|
cchLen = ichEnd - ichStart; // holds character count.
|
|
cchSelLen = ped->ichMaxSel - ped->ichMinSel; // holds character count.
|
|
if (cchLen == 0)
|
|
{
|
|
// if we have no selection,
|
|
// just return 0.
|
|
break;
|
|
}
|
|
|
|
UserAssert(ped->cbChar == sizeof(BYTE) || ped->cbChar == sizeof(WCHAR));
|
|
|
|
// This Edit Control has selection.
|
|
if (lParam == 0)
|
|
{
|
|
//
|
|
// IME just want to get required size for buffer.
|
|
// cchLen + 1 is needed to reserve room for trailing L'\0'.
|
|
// ~~~~
|
|
lreturn = sizeof(RECONVERTSTRING) + (cchLen + 1) * ped->cbChar;
|
|
}
|
|
else
|
|
{
|
|
LPRECONVERTSTRING lpRCS = (LPRECONVERTSTRING)lParam;
|
|
LPVOID lpDest = (LPBYTE)lpRCS + sizeof(RECONVERTSTRING);
|
|
|
|
// check buffer size
|
|
// if the given buffer is smaller than actual needed size,
|
|
// shrink our size to fit the buffer
|
|
if ((INT)lpRCS->dwSize <= sizeof(RECONVERTSTRING) + cchLen * ped->cbChar)
|
|
{
|
|
TraceMsg(TF_STANDARD, "UxEdit: Edit_Request: ERR09");
|
|
cchLen = (lpRCS->dwSize - sizeof(RECONVERTSTRING)) / ped->cbChar - ped->cbChar;
|
|
}
|
|
|
|
lpRCS->dwStrOffset = sizeof(RECONVERTSTRING); // buffer begins just after RECONVERTSTRING
|
|
lpRCS->dwCompStrOffset =
|
|
lpRCS->dwTargetStrOffset = (ped->ichMinSel - ichStart) * ped->cbChar; // BYTE count offset
|
|
lpRCS->dwStrLen = cchLen; // TCHAR count
|
|
lpRCS->dwCompStrLen =
|
|
lpRCS->dwTargetStrLen = cchSelLen; // TCHAR count
|
|
|
|
RtlCopyMemory(lpDest,
|
|
(LPBYTE)lpSrc + ichStart * ped->cbChar,
|
|
cchLen * ped->cbChar);
|
|
// Null-Terminate the string
|
|
if (ped->fAnsi)
|
|
{
|
|
LPBYTE psz = (LPBYTE)lpDest;
|
|
psz[cchLen] = '\0';
|
|
}
|
|
else
|
|
{
|
|
LPWSTR pwsz = (LPWSTR)lpDest;
|
|
pwsz[cchLen] = L'\0';
|
|
}
|
|
Edit_Unlock(ped);
|
|
// final buffer size
|
|
lreturn = sizeof(RECONVERTSTRING) + (cchLen + 1) * ped->cbChar;
|
|
|
|
Edit_InOutReconversionMode(ped, TRUE);
|
|
Edit_ImmSetCompositionWindow(ped, 0, 0);
|
|
}
|
|
|
|
}
|
|
break;
|
|
}
|
|
|
|
return lreturn;
|
|
}
|
|
|