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/************************************************************/
/* Windows Write, Copyright 1985-1992 Microsoft Corporation */
/************************************************************/
/* Select2.c -- Less-frequently-used selection routines */
#define NOCLIPBOARD
#define NOGDICAPMASKS
#define NOCTLMGR
#define NOVIRTUALKEYCODES
#define NOWINMESSAGES
#define NOWINSTYLES
#define NOSYSMETRICS
#define NOMENUS
#define NOSOUND
#define NOCOMM
#define NOPEN
#define NOWNDCLASS
#define NOICON
#define NORASTEROPS
#define NOSHOWWINDOW
#define NOATOM
#define NOKEYSTATE
#define NOSYSCOMMANDS
#define NOBITMAP
#define NOBRUSH
#define NOCOLOR
#define NODRAWTEXT
#define NOMB
#define NOPOINT
#define NOMSG
#include <windows.h>
#include "mw.h"
#include "toolbox.h"
#include "docdefs.h"
#include "editdefs.h"
#include "dispdefs.h"
#include "cmddefs.h"
#include "wwdefs.h"
#include "ch.h"
#include "fmtdefs.h"
#include "propdefs.h"
extern int vfSeeSel;
extern typeCP vcpFirstParaCache;
extern typeCP vcpLimParaCache;
extern typeCP vcpFetch;
extern CHAR *vpchFetch;
extern int vccpFetch;
extern typeCP cpMinCur;
extern typeCP cpMacCur;
extern struct SEL selCur;
extern int docCur;
extern struct FLI vfli;
extern struct WWD rgwwd[];
extern int vfSelHidden;
extern int wwCur;
extern struct CHP vchpFetch;
extern struct PAP vpapAbs;
extern struct WWD *pwwdCur;
extern int vfInsEnd;
extern typeCP CpBeginLine();
extern int vfPictSel;
extern int vfSizeMode;
extern struct CHP vchpNormal;
extern int vfInsertOn;
extern struct CHP vchpSel; /* Holds the props when the selection
is an insert point */
extern int vfMakeInsEnd;
extern typeCP vcpSelect;
extern int vfSelAtPara;
/* true iff the last selection was made by an Up/Down cursor key */
extern int vfLastCursor;
/* C P L I M S T Y S P E C I A L */
typeCP CpLimStySpecial(cp, sty)
typeCP cp;
int sty;
{ /* Return the first cp which is not part of the same sty unit */
int wb, ch, ich;
struct EDL *pedl;
/* Other cases covered in CpLimSty, our only caller */
Assert( cp < cpMacCur );
Assert( cp >= cpMinCur );
Assert( sty == styWord || sty == stySent );
/* Special kludge for picture paragraphs */
CachePara(docCur, cp);
if (vpapAbs.fGraphics)
return vcpLimParaCache;
FetchCp(docCur, cp, 0, fcmChars + fcmNoExpand);
Assert(vccpFetch != 0);
/* Must be word or sentence */
wb = WbFromCh(ch = vpchFetch[ich = 0]);
#ifdef CRLF
if (ch == chReturn)
return vcpFetch + 2;
#endif
if (ch == chEol || ch == chSect || ch == chNewLine || ch == chTab)
/* EOL is its own unit */
return vcpFetch + 1;
if (wb == wbWhite && sty == stySent)
{ /* Might be between sentences; go back to text */
FetchCp(docCur, CpFirstSty(cp, styWord), 0, fcmChars + fcmNoExpand);
wb = WbFromCh(ch = vpchFetch[ich = 0]);
}
for (;;)
{
if (++ich >= vccpFetch)
{ /* Get next line and set up */
FetchCp(docNil, cpNil, 0, fcmChars);
if (vcpFetch == cpMacCur)
return cpMacCur; /* End of doc */
ich = 0;
}
if (sty == stySent)
switch (ch)
{
case chDot:
case chBang:
case chQMark:
sty = styWord;
wb = wbPunct;
}
switch (ch = vpchFetch[ich])
{
case chTab:
case chEol:
case chSect:
case chNewLine:
#ifdef CRLF
case chReturn:
#endif
goto BreakFor;
}
if (sty == styWord)
{ /* Word ends after white space or on text/punct break */
int wbT = WbFromCh(ch);
if (wb != wbT && (wb = wbT) != wbWhite)
break;
}
}
BreakFor:
return vcpFetch + ich;
}
/* C P F I R S T S T Y S P E C I A L */
typeCP CpFirstStySpecial(cp, sty)
typeCP cp;
int sty;
{ /* Return the first cp of this sty unit. */
typeCP cpBegin;
int wb, ch, dcpChunk;
typeCP cpSent;
CHAR rgch[dcpAvgSent];
int ich;
typeCP cpT;
/* Other cases were covered by CpFirstSty, our only caller */
Assert( cp > cpMinCur );
Assert( sty == stySent || sty == styWord );
if (cp >= cpMacCur)
cpT = cp = cpMacCur;
else
cpT = cp++;
CachePara(docCur, cpT );
if ((vcpFirstParaCache == cpT) || vpapAbs.fGraphics)
return vcpFirstParaCache;
dcpChunk = (sty == styWord) ? dcpAvgWord : dcpAvgSent;
cpBegin = (cp > dcpChunk) ? cp - dcpChunk : cp0;
FetchRgch(&ich, rgch, docCur, cpBegin, cp, dcpChunk);
wb = WbFromCh(ch = rgch[--ich]);
#ifdef CRLF
if(cpBegin + ich == 0)
return cp0;
if (ch == chEol && rgch[ich-1] == chReturn) /* EOL is its own unit */
return cpBegin + ich - 1;
if (ch == chEol || ch == chReturn || ch == chSect || ch == chNewLine || ch == chTab)
return cpBegin + ich;
#else /* not CRLF */
if (ch == chEol || ch == chSect || ch == chNewLine || ch == chTab) /* EOL is its own unit */
return cpBegin + ich;
#endif /* CRLF */
if (wb == wbText)
cpSent = cpBegin + ich;
else
cpSent = cpNil;
for (;;)
{
if (ich == 0)
{
if (cpBegin == cpMinCur)
return cpMinCur; /* beginning of doc */
cpBegin = (cpBegin > dcpChunk) ? cpBegin - dcpChunk : cp0;
FetchRgch(&ich, rgch, docCur, cpBegin, cp, dcpChunk);
}
ch = rgch[--ich];
CachePara( docCur, cpBegin + ich ); /* Needed for pictures */
if (ch == chEol || ch == chSect || ch == chNewLine ||
ch == chTab || vpapAbs.fGraphics )
break; /* EOL Always ends a unit */
if (sty == styWord)
{
if (wb != wbWhite)
{
if (WbFromCh(ch) != wb)
break;
}
else
wb = WbFromCh(ch);
}
else
{ /* Test for sentence. */
switch (ch)
{
case chDot:
case chBang:
case chQMark:
if (cpSent != cpNil)
return cpSent;
}
switch (WbFromCh(ch))
{
case wbText:
cpSent = cpBegin + ich;
wb = wbText;
break;
case wbPunct:
switch (wb)
{
case wbWhite:
wb = wbPunct;
break;
case wbText:
cpSent = cpBegin + ich;
}
break;
case wbWhite:
if (wb == wbPunct)
cpSent = cpBegin + ich + 1;
wb = wbWhite;
break;
}
}
}
return cpBegin + ich + 1;
}
/* W B F R O M C H */
int WbFromCh(ch)
int ch;
{ /* Return word-breakness of ch */
switch (ch)
{
case chSpace:
case chEol:
#ifdef CRLF
case chReturn:
#endif
case chSect:
case chTab:
case chNewLine:
case chNBSFile:
return wbWhite;
case chNRHFile:
return wbText;
default: /* we are using the ANSI char set that windows used */
return ((isalpha(ch) || isdigit(ch))? wbText : wbPunct);
}
}
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