windows-nt/Source/XPSP1/NT/base/mvdm/wow16/write/util2.c

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2020-09-26 03:20:57 -05:00
/************************************************************/
/* Windows Write, Copyright 1985-1992 Microsoft Corporation */
/************************************************************/
/* util2.c -- less frequently used utility routines */
#define NOVIRTUALKEYCODES
#define NOCTLMGR
#define NOWINMESSAGES
#define NOWINSTYLES
#define NOCLIPBOARD
#define NOGDICAPMASKS
#define NOSYSMETRICS
#define NOMENUS
#define NOCOMM
#define NOSOUND
#include <windows.h>
#include "mw.h"
#include "doslib.h"
#include "str.h"
#include "machdefs.h"
#include "cmddefs.h"
#include "propdefs.h"
#include "fkpdefs.h"
#include "docdefs.h"
#include "debug.h"
#include "editdefs.h"
#include "wwdefs.h"
#define NOKCCODES
#include "ch.h"
extern struct DOD (**hpdocdod)[];
extern HANDLE hMmwModInstance;
extern CHAR vchDecimal; /* "decimal point" character */
extern int viDigits;
extern BOOL vbLZero;
CHAR *PchFillPchId(PCH, int, int);
FillStId(st, idpmt, cchIn)
CHAR *st;
IDPMT idpmt;
int cchIn;
{ /* load string from resource file to buffer, the string is zero
terminated, make it into a st, i.e. cch (excluding '\0' is stored
in the 1st byte of the string) */
int cch = LoadString(hMmwModInstance, idpmt, (LPSTR)&st[1], cchIn-1);
Assert(cch != 0);
st[0] = cch;
} /* FillStId */
CHAR *PchFillPchId(sz, idstr, cchIn)
register CHAR * sz;
register int idstr;
int cchIn;
{ /*
Description: load string from resource file to buffer, the
string loaded is zero terminated
Returns: pointer to '\0' last loaded
*/
int cch = LoadString(hMmwModInstance, idstr, (LPSTR)sz, cchIn);
/* Note: cch does not include the '\0' */
{
char msg[80];
if (cch == 0)
{
wsprintf(msg,"bad resource id: 0x%x\n\r",idstr);
OutputDebugString(msg);
}
Assert(cch != 0);
}
return(sz + cch);
} /* end of PchFillPchId */
int FDirtyDoc(doc)
register int doc;
{ /* Return true if killing this doc would lose editing */
register struct DOD *pdod;
return ((pdod = &(**hpdocdod)[doc])->fDirty && pdod->cref == 1);
} /* end of F D i r t y D o c */
int ncvtu(n, ppch)
register int n;
CHAR **ppch;
{
register int cch = 0;
if (n < 0)
{
*(*ppch)++ = '-';
n = -n;
++cch;
}
if (n >= 10)
{
cch += ncvtu(n / 10, ppch);
n %= 10;
}
else if ((n == 0) && !vbLZero) // then no leading zero
return 0;
*(*ppch)++ = '0' + n;
return cch + 1;
} /* end of n c v t uR */
HANDLE HszGlobalCreate( sz )
CHAR *sz;
{ /* Create handle for string in global windows heap. return the handle. */
HANDLE h;
LPCH lpch;
int cch=CchSz( sz );
if ((h=GlobalAlloc( GMEM_MOVEABLE, (LONG)cch )) != NULL)
{
if ((lpch = GlobalLock( h )) != NULL )
{
bltbx( (LPSTR) sz, lpch, cch );
GlobalUnlock( h );
}
else
{
GlobalFree( h );
return NULL;
}
}
return h;
}
#ifdef DEBUG
fnScribble( dchPos, ch )
int dchPos;
CHAR ch;
{ /* Scribble a char dchPos char positions from the UR screen corner */
/* We create a special device context to avoid interfering with the */
/* ones MEMO uses */
extern struct WWD rgwwd[];
static unsigned dxpScribbleChar=0;
static unsigned dypScribbleChar;
static unsigned ypScribble;
int xp = wwdCurrentDoc.xpMac - (dxpScribbleChar * (dchPos+1));
int ilevel = SaveDC( wwdCurrentDoc.hDC );
SelectObject( wwdCurrentDoc.hDC, GetStockObject(ANSI_FIXED_FONT) );
if ( dxpScribbleChar == 0 )
{ /* First time through */
TEXTMETRIC tm;
GetTextMetrics( wwdCurrentDoc.hDC, (LPTEXTMETRIC)&tm );
dxpScribbleChar = tm.tmAveCharWidth;
dypScribbleChar = tm.tmHeight + tm.tmInternalLeading;
ypScribble = (dypScribbleChar >> 2) + wwdCurrentDoc.ypMin;
}
PatBlt( wwdCurrentDoc.hDC, xp, ypScribble, dxpScribbleChar, dypScribbleChar,
WHITENESS );
TextOut( wwdCurrentDoc.hDC, xp, ypScribble, (LPSTR) &ch, 1 );
RestoreDC( wwdCurrentDoc.hDC, ilevel );
}
#endif /* DEBUG */
/* original util3.c starts from here */
#define iMaxOver10 3276
extern int utCur;
/* Must agree with cmddefs.h */
extern CHAR *mputsz[];
/* Must agree with cmddefs.h */
unsigned mputczaUt[utMax] =
{
czaInch, czaCm, czaP10, czaP12, czaPoint,
czaLine
};
int FZaFromSs(pza, ss, cch, ut)
int *pza;
CHAR ss[];
int cch,
ut;
{ /* Return za in *pza from string representation in ss. True if valid za */
long lza = 0;
register CHAR *pch = ss;
register CHAR *pchMac = &ss[cch];
int ch;
unsigned czaUt;
int fNeg;
if (cch <= 0)
return false;
switch (*--pchMac)
{ /* Check for units */
case 'n': /* inch */
if (*--pchMac != 'i')
goto NoUnits;
case '"': /* inch */
ut = utInch;
break;
#ifdef CASHMERE /* units such as pt, pt12, pt10 */
case '0': /* pt10 */
if (*--pchMac != '1' || *--pchMac != 'p')
goto NoUnits;
ut = utP10;
break;
case '2': /* pt12 */
if (*--pchMac != '1' || *--pchMac != 'p')
goto NoUnits;
ut = utP12;
break;
case 'i': /* line */
if (*--pchMac != 'l')
goto NoUnits;
ut = utLine;
break;
case 't': /* pt */
if (*--pchMac != 'p')
goto NoUnits;
ut = utPoint;
break;
#endif /* CASHMERE */
case 'm': /* cm */
if (*--pchMac != 'c')
goto NoUnits;
ut = utCm;
break;
default:
++pchMac;
break;
NoUnits:
pchMac = &ss[cch];
}
while (pch < pchMac && *(pchMac - 1) == chSpace)
--pchMac;
czaUt = mputczaUt[ut];
/* extract leading blanks */
while (*pch == ' ')
pch++;
fNeg = *pch == '-';
if (fNeg) ++pch; /* skip past minus sign */
while ((ch = *pch++) != vchDecimal)
{
if ((ch < '0' || ch > '9') || lza >= iMaxOver10)
return false;
lza = lza * 10 + (ch - '0') * czaUt;
if (pch >= pchMac)
goto GotNum;
}
while (pch < pchMac)
{
ch = *pch++;
if (ch < '0' || ch > '9')
return false;
lza += ((ch - '0') * czaUt + 5) / 10;
czaUt = (czaUt + 5) / 10;
}
GotNum:
if (lza > ((long) (22 * czaInch)))
return false;
*pza = fNeg ? (int) -lza : (int) lza;
return true;
}
int
CchExpZa(ppch, za, ut, cchMax)
CHAR **ppch;
int ut, cchMax;
register int za;
{ /* Stuff the expansion of linear measure za in unit ut into pch.
Return # of chars stuffed. Don't exceed cchMax. */
register int cch = 0;
unsigned czaUt;
int zu;
/* If not in point mode and even half line, display as half lines v. points */
if (ut == utPoint && utCur != utPoint &&
(za / (czaLine / 2) * (czaLine / 2)) == za)
ut = utLine;
czaUt = mputczaUt[ut];
if (cchMax < cchMaxNum)
return 0;
if (za < 0)
{ /* Output minus sign and make positive */
*(*ppch)++ = '-';
za = -za;
cch++;
}
/* round off to two decimal places */
za += czaUt / 200;
zu = za / czaUt; /* Get integral part */
cch += ncvtu(zu, ppch); /* Expand integral part */
za -= zu * czaUt; /* Retain fraction part */
if (((za *= 10) >= czaUt || za * 10 >= czaUt) && (viDigits > 0))
{ /* Check *10 first because of possible overflow */
zu = za / czaUt;
*(*ppch)++ = vchDecimal;
cch++;
*(*ppch)++ = '0' + zu;
cch++;
zu = ((za - zu * czaUt) * 10) / czaUt;
if ((zu != 0) && (viDigits > 1))
{
*(*ppch)++ = '0' + zu;
cch++;
}
}
if (cch <= 1)
/* force zeroes */
{
if ((cch == 0) && vbLZero) // then no leading zero
{
*(*ppch)++ = '0';
cch++;
}
*(*ppch)++ = vchDecimal;
cch++;
if (viDigits > 0)
{
*(*ppch)++ = '0';
cch++;
}
if (viDigits > 1)
{
*(*ppch)++ = '0';
cch++;
}
}
cch += CchStuff(ppch, mputsz[ut], cchMax - cch);
return cch;
}
#ifdef KEEPALL /* Use FPdxaFromItDxa2Id */
int DxaFromSt(st, ut)
register CHAR *st;
int ut;
{
int za;
if (*st > 0 && FZaFromSs(&za, st+1, *st, ut)) /* see util.c */
return za;
else
return valNil;
}
int DxaFromItem(it)
int it;
{
int za;
register CHAR stBuf[32];
GetItTextValue(it, stBuf);
if (*stBuf > 0 && FZaFromSs(&za, stBuf+1, *stBuf, utCur)) /* see util.c */
return (za == valNil) ? 0 : za;
else
return valNil;
}
#endif
int CchStuff(ppch, sz, cchMax)
CHAR **ppch, sz[];
int cchMax;
{
register int cch = 0;
register CHAR *pch = *ppch;
while (cchMax-- > 0 && (*pch = *sz++) != 0)
{
cch++;
pch++;
}
if (cchMax < 0)
bltbyte("...", pch - 3, 3);
*ppch = pch;
return cch;
}