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ckoco4.c
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ckoco4.c
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/* C K O C O 4 . C */
/*
Author: Frank da Cruz ([email protected], [email protected]),
Columbia University Academic Information Systems, New York City.
Jeffrey E Altman ([email protected])
Secure Endpoints Inc., New York City
Copyright (C) 1985, 2004, Trustees of Columbia University in the City of New
York.
*/
#include "ckcdeb.h"
#ifdef NT
#include <windows.h>
#define strnicmp _strnicmp
#else /* NT */
#define INCL_WIN
#define INCL_VIO
#define INCL_ERRORS
#define INCL_DOSPROCESS
#define INCL_DOSSEMAPHORES
#define INCL_DOSDEVIOCTL
#define INCL_WINCLIPBOARD
#define INCL_DOSDATETIME
#define INCL_DOSMEMMGR
#include <os2.h>
#undef COMMENT /* COMMENT is defined in os2.h */
#endif /* NT */
#include "ckcasc.h"
#include "ckcker.h"
#include "ckuusr.h"
#include "ckocon.h"
#include "ckokey.h"
#include "ckcxla.h" /* Character set translation */
#include "ckcuni.h" /* Unicode Character Set Translations */
#include <stdio.h>
extern int tnlm, tn_nlm; /* Terminal newline mode, ditto for TELNET */
#ifndef NOTERM
extern int tt_status[VNUM] ;
#endif /* NOTERM */
#ifndef NOLOCAL
extern videobuffer vscrn[] ;
extern enum markmodes markmodeflag[] ;
extern bool xprintff, printon ;
#ifndef NT
extern HAB hab ;
#endif /* NT */
static char * selection = NULL ;
static unsigned short * Uselection = NULL;
static int nselect = 0 ;
static char * url = NULL ;
static int nurl = 0 ;
static int url_type = 0 ;
#define MAXURLLEN 4095
const char *
GetSelection()
{
return selection;
}
int
GetURLType(void)
{
return url_type;
}
const char *
GetURL()
{
return url;
}
static char *
FindURL( const char * s )
{
/* We have a string. Is it a URL? */
/* telnet */
/* http(s) */
/* gopher */
/* (s)news */
/* mailto */
/* ftp */
/* tcp, udp, ... */
/* Does it have a valid host? If not, return */
/* Is it telnet: rlogin: ssh:? If so, start a new K95 session */
/* Otherwise, start the browser */
/* If not, */
/* Check the string to see if it is a mail message */
/* if so, does it have a mailto: prefix? Start Browser */
/* If not, add one and start browser */
/* Otherwise, is it a valid host? If so, http://<host>/ */
/* Does adding 'www' or '.edu', '.com', make it valid? */
/* If so, start browser */
int i, len;
char * newurl = NULL;
int mailto = 0;
if ( strnicmp(s,"telnet:",7) &&
strnicmp(s,"login:",6) &&
strnicmp(s,"ssh:",4) &&
strnicmp(s,"http:",5) &&
strnicmp(s,"gopher:",7) &&
strnicmp(s,"news:",5) &&
strnicmp(s,"snews:",6) &&
strnicmp(s,"ftp:",4) &&
strnicmp(s,"mailto:",7) &&
strnicmp(s,"https:",6) &&
strnicmp(s,"ftps:",5) &&
strnicmp(s,"telnets:",8) &&
strnicmp(s,"iksd:",5) &&
strnicmp(s,"kermit:",7) &&
strnicmp(s,"tcp:", 4) &&
strnicmp(s,"udp:", 4) )
{
/* Not one of the well known URL services */
/* we are not going to perform host checking */
/* if it looks like a mail address (contains an @) we will preface */
/* mailto: */
len = strlen(s);
for ( i=0;i<len;i++ )
{
if ( !mailto && s[i] == '@' ) {
mailto = 1;
}
else if ( mailto ) {
switch ( s[i] ) {
case '@':
case ',':
case '/':
case '\\':
case '$':
case '?':
case '|':
case '!':
mailto = 0 ;
break; /* switch */
}
if ( !mailto )
break; /* for */
}
}
}
if ( mailto ) {
newurl = (char *) malloc(strlen(s) + strlen("mailto:") + 1);
if ( !newurl )
return(NULL);
strcpy( newurl, "mailto:" );
strcat( newurl, s);
} else {
newurl = (char *) malloc(strlen(s) + 1);
if ( !newurl )
return(NULL);
strcpy( newurl, s );
}
len = strlen(newurl);
if ( newurl[len-1] == '.' || newurl[len-1] == ',' || newurl[len-1] == ';' )
/* remove unnecessary punctuation */
newurl[len-1] = '\0';
return(newurl);
}
APIRET
VscrnURL( BYTE mode, USHORT row, USHORT col )
{
#ifdef BROWSER
videoline * line=NULL;
viocell * cells = NULL;
char ch, * str=NULL;
int i,j,len;
int brow, bcol, erow, ecol;
extern bool scrollflag[] ;
extern char browsurl[];
if ( url )
{
free( url ) ;
url = NULL ;
nurl = 0 ;
url_type = 0;
}
/* First check the hyperlink attribute */
if ( scrollflag[mode] )
line = VscrnGetLine( mode, VscrnGetScrollTop(mode) + row );
else
line = VscrnGetLineFromTop( mode, row );
if ( line->vt_char_attrs[col] & VT_CHAR_ATTR_HYPERLINK ) {
hyperlink * link = hyperlink_get(line->hyperlinks[col]);
if ( link ) {
url = strdup(link->str);
if ( url ) {
nurl = strlen( url );
url_type = link->type;
ckstrncpy( browsurl, url, 4096 );
return 0; /* a valid URL/UNC was found */
}
}
return -1;
}
/* From the current row,col we need to determine which line contains
the beginning and end of the string we think might contain a URL.
Compute the length of the string
Then copy the whole string into a temporary buffer
*/
/* Find the beginning of the URL */
brow = row;
bcol = col;
while(1) {
if ( scrollflag[mode] )
line = VscrnGetLine( mode, VscrnGetScrollTop(mode) + brow );
else
line = VscrnGetLineFromTop( mode, brow );
cells = line->cells;
while ( bcol >= 0 ) {
ch = (CHAR) cells[bcol].c;
if (ch && (isalnum(ch) || ch == '/' || ch == ':' || ch == '.' || ch == '#' ||
ch == '|' || ch == '@' || ch == '!' || ch == '-' || ch == '_' ||
ch == '?' || ch == '%' || ch == '&' || ch == '+' || ch == '\\' ||
ch == '=' || ch == ';' || ch == '~' || ch == ',' || ch == '$'))
{
bcol--;
} else {
bcol++;
if ( bcol >= line->width ) {
bcol = 0;
brow++;
}
goto bfound;
}
}
bcol = line->width-1;
brow--;
}
bfound:
/* Find the end of the URL */
erow = row;
ecol = col;
while(1) {
if ( scrollflag[mode] )
line = VscrnGetLine( mode, VscrnGetScrollTop(mode) + erow );
else
line = VscrnGetLineFromTop( mode, erow );
cells = line->cells;
while ( ecol < line->width ) {
ch = (CHAR) cells[ecol].c;
if (ch && (isalnum(ch) || ch == '/' || ch == ':' || ch == '.' || ch == '#' ||
ch == '|' || ch == '@' || ch == '!' || ch == '-' || ch == '_' ||
ch == '?' || ch == '%' || ch == '&' || ch == '+' || ch == '\\' ||
ch == '=' || ch == ';' || ch == '~' || ch == ',' || ch == '$'))
{
ecol++;
} else {
ecol--;
if ( ecol < 0 ) {
ecol = line->width - 1;
erow--;
}
goto efound;
}
}
ecol = 0;
erow++;
}
efound:
str = (char *) malloc((erow - brow + 1) * line->width);
if ( !str )
return(-1);
if ( brow == erow ) {
if ( scrollflag[mode] )
line = VscrnGetLine( mode, VscrnGetScrollTop(mode) + brow );
else
line = VscrnGetLineFromTop( mode, brow );
cells = line->cells;
for ( i=bcol,len=0;i<=ecol;i++,len++ )
str[len] = (CHAR) cells[i].c;
str[len] = '\0';
} else {
/* handle the first row - bcol to end */
if ( scrollflag[mode] )
line = VscrnGetLine( mode, VscrnGetScrollTop(mode) + brow );
else
line = VscrnGetLineFromTop( mode, brow );
cells = line->cells;
for ( i=bcol,len=0;i<line->width;i++,len++ )
str[len] = (CHAR) cells[i].c;
/* handle the complete rows if there are any */
for ( j=brow+1; j<erow; j++ ) {
if ( scrollflag[mode] )
line = VscrnGetLine( mode, VscrnGetScrollTop(mode) + j );
else
line = VscrnGetLineFromTop( mode, j );
cells = line->cells;
for ( i=0;i<line->width;i++,len++ )
str[len] = (CHAR) cells[i].c;
}
/* handle the last row - begin to ecol */
if ( scrollflag[mode] )
line = VscrnGetLine( mode, VscrnGetScrollTop(mode) + erow );
else
line = VscrnGetLineFromTop( mode, erow );
cells = line->cells;
for ( i=0;i<=ecol;i++,len++ )
str[len] = (CHAR) cells[i].c;
str[len] = '\0';
}
debug(F000,"mouseurl detected",str,0);
if (len == 0) {
free(str);
return -1;
}
url = FindURL(str);
free(str);
if ( url ) {
nurl = strlen( url );
url_type = HYPERLINK_URL;
ckstrncpy( browsurl, url, 4096 );
return 0; /* a valid URL was found */
}
#endif /* BROWSER */
return -1; /* failure to find a valid URL */
}
/*
* mode = 0 - word wrap with EOL
* mode = 1 - word wrap without EOL
* mode = 2 - box with EOL (not yet implemented)
*/
APIRET
VscrnSelect( BYTE vmode, int mode )
{
/* This code does not work for Hebrew and other BiDi languages */
videoline * line = NULL;
ULONG y = 0;
USHORT x = 0;
BYTE *p = NULL;
USHORT *pU = NULL;
APIRET rc = 0 ;
if ( selection )
{
free( selection ) ;
selection = NULL ;
nselect = 0 ;
}
if ( Uselection ) {
free( Uselection ) ;
Uselection = NULL ;
}
if (vscrn[vmode].marktop == -1 || vscrn[vmode].markbot == -1 ) {
bleep(BP_WARN) ;
return -1 ;
}
/* Determine size of Selected Text */
y = vscrn[vmode].marktop ;
while (1) {
line = &vscrn[vmode].lines[y] ;
if ( line->markbeg != -1 && line->markshowend != -1 ) {
for ( x = line->markbeg ; x <= line->markshowend ; x++ )
nselect++ ;
#ifndef NT
/* there is an OS/2 compiler bug here */
/* when optimized it generates an infinite loop */
debug(F100,"VscrnSelect() infinite loop?","",0);
#endif /* NT */
}
if ( y == vscrn[vmode].markbot ) {
break;
}
else {
if ( mode == 0 ) {
/* Add line termination */
nselect++ ; /* '\r' */
nselect++ ; /* '\n' */
}
/* Advance counter */
y++ ;
if ( y == vscrn[vmode].linecount )
y = 0 ;
}
}
nselect++ ; /* terminating NUL */
selection = (char *) malloc( nselect ) ;
if ( !selection )
{
nselect = 0 ;
return -1;
}
Uselection = (unsigned short *) malloc( nselect * 2 ) ;
if ( !Uselection )
{
free(selection);
selection = NULL;
nselect = 0 ;
return -1;
}
/* Copy the data to the selection buffer */
p = selection ;
pU = Uselection ;
while (1) {
line = &vscrn[vmode].lines[vscrn[vmode].marktop] ;
if ( line->markbeg != -1 && line->markshowend != -1 )
for ( line->markbeg ;
line->markbeg <= line->markshowend;
line->markbeg++ ) {
#ifdef NT
if ( isunicode() ) {
extern int tcsl;
*p = xl_tx[tcsl](line->cells[line->markbeg].c);
*pU = line->cells[line->markbeg].c;
} else
#endif /* NT */
{
*pU = *p = line->cells[line->markbeg].c;
}
p++ ;
pU++;
}
line->markbeg = line->markshowend = line->markend = -1 ;
if ( vscrn[vmode].marktop == vscrn[vmode].markbot ) {
vscrn[vmode].marktop = vscrn[vmode].markbot = -1 ;
break;
}
else {
if ( mode == 0 ) {
/* Add line termination */
*pU++ = *p++ = '\r' ;
*pU++ = *p++ = '\n' ;
}
/* Advance counter */
vscrn[vmode].marktop++ ;
if ( vscrn[vmode].marktop == vscrn[vmode].linecount )
vscrn[vmode].marktop = 0 ;
}
}
*pU = *p = '\0' ; /* Terminating NUL */
return rc;
}
/* This code does not work for Hebrew and other BiDi languages */
APIRET
CopyVscrnToKbdBuffer( BYTE vmode, int select_mode ) {
APIRET rc = 0 ;
BYTE * pData = NULL ;
int i = 0, j = 0, len = 0 ;
if ( VscrnSelect(vmode,select_mode) )
return -1 ;
len = nselect - 1; /* nselect includes terminating NUL */
if ( len == 0 )
return(0);
if ( isunicode() ) {
/* Vscrn is in Unicode. We must perform translations to both */
/* lcs for keyboard and rcs for sending. Do not allow */
/* sendcharsduplex() to translate. */
if ( vmode == VTERM ) {
unsigned char * bytes;
int nbytes;
nbytes = utorxlat(Uselection[0], &bytes);
while ( nbytes-- > 0 )
sendcharduplex(*bytes++,TRUE);
for ( i=1; i<len; i++ ) {
if ( Uselection[i-1] != CR || Uselection[i] != LF ) {
nbytes = utorxlat(Uselection[i], &bytes);
while ( nbytes-- > 0 )
sendcharduplex(*bytes++,TRUE);
}
}
} else {
pData = (char *)malloc(len+1);
if ( pData == NULL )
return -1;
pData[0] = utolxlat(Uselection[0]);
for ( i=1, j=1 ; i<len ; i++ )
if ( Uselection[i-1] != CR || Uselection[i] != LF )
pData[j++] = utolxlat(selection[i]);
pData[j] = '\0';
putkeystr( vmode, pData );
}
} else {
/* The Vscrn is in the local character set */
/* Allow translation to be performed by sendcharsduplex() */
pData = (char *)malloc(len+1);
if ( pData == NULL )
return -1;
pData[0] = selection[0];
for ( i=1, j=1 ; i<len ; i++ )
if ( selection[i-1] != CR || selection[i] != LF )
pData[j++] = selection[i] ;
pData[j] = '\0';
if ( vmode == VTERM )
sendcharsduplex(pData,j,FALSE);
else
putkeystr( vmode, pData );
free(pData);
}
return rc ;
}
APIRET
CopyClipboardToKbdBuffer( BYTE vmode )
{
int i = 0 ;
APIRET rc = -1 ;
BYTE * hClipbrdData ;
USHORT * pUClipbrdData = 0;
BYTE * pClipbrdData = 0 ;
BYTE * pClipboard ;
int use_unicode = (isunicode() && !isWin95());
#ifdef NT
HGLOBAL hClipboard = NULL ;
if ( OpenClipboard( NULL ) )
{
if ( use_unicode ) {
if ( hClipboard = (BYTE *) GetClipboardData( CF_UNICODETEXT ) )
{
hClipbrdData = GlobalLock(hClipboard) ;
pUClipbrdData = wcsdup( (const wchar_t *) hClipbrdData ) ;
GlobalUnlock( hClipboard ) ;
}
} else {
if ( hClipboard = (BYTE *) GetClipboardData( CF_TEXT ) )
{
hClipbrdData = GlobalLock(hClipboard) ;
pClipbrdData = strdup( hClipbrdData ) ;
GlobalUnlock( hClipboard ) ;
}
}
CloseClipboard() ;
}
if ( pClipbrdData && !use_unicode )
CharToOem( pClipbrdData, pClipbrdData );
#else /* NT */
pClipbrdData = GetTextFromClipboardServer() ;
if ( !pClipbrdData ) {
if ( rc = WinOpenClipbrd(hab) ) {
hClipbrdData = (BYTE *) WinQueryClipbrdData( hab, CF_TEXT ) ;
if ( !DosGetSharedMem( hClipbrdData, PAG_READ ) )
{
pClipbrdData = strdup( hClipbrdData ) ;
/* We must copy the text back to the Clipboard because the */
/* GetSharedMemory call screwed up the clipboard. We're not */
/* supposed to do things like that. */
if ( !DosAllocSharedMem( (PPVOID) &pClipboard, 0, strlen(pClipbrdData)+1,
PAG_COMMIT | PAG_READ | PAG_WRITE |
OBJ_GIVEABLE | OBJ_GETTABLE ) )
{
strcpy( pClipboard, pClipbrdData ) ;
WinSetClipbrdData( hab, (ULONG) pClipboard, CF_TEXT, CFI_POINTER ) ;
DosFreeMem( pClipboard ) ;
}
}
WinCloseClipbrd( hab ) ;
}
}
#endif /* NT */
if ( use_unicode ) {
if ( pUClipbrdData ) {
int i=0, j=0, len = 0;
len = wcslen(pUClipbrdData);
debug(F111,"Clipboard","pUClipbrdData length",len);
if ( vmode == VTERM ) {
unsigned char * bytes, * buf;
int nbytes, bytecount=0;
nbytes = utorxlat(pUClipbrdData[0], &bytes);
if ( nbytes > 0 )
bytecount = nbytes;
for ( i=1; i<len; i++ ) {
if ( pUClipbrdData[i-1] != CR || pUClipbrdData[i] != LF ) {
nbytes = utorxlat(pUClipbrdData[i], &bytes);
if ( nbytes > 0 )
bytecount += nbytes;
}
}
buf = (unsigned char *) malloc(bytecount+1);
nbytes = utorxlat(pUClipbrdData[0], &bytes);
while ( nbytes-- > 0 )
buf[j++] = *bytes++;
for ( i=1; i<len; i++ ) {
if ( pUClipbrdData[i-1] != CR || pUClipbrdData[i] != LF ) {
nbytes = utorxlat(pUClipbrdData[i], &bytes);
while ( nbytes-- > 0 )
buf[j++] = *bytes++;
}
}
sendcharsduplex(buf,bytecount,TRUE);
free(buf);
rc = 0;
} else {
char * pData = NULL;
pData = (char *)malloc(len+2);
debug(F111,"Clipboard","pData",pData);
if ( pData != NULL ) {
pData[0] = utolxlat(pUClipbrdData[0]);
for ( i=1, j=1 ; i<len ; i++ )
if ( pUClipbrdData[i-1] != CR || pUClipbrdData[i] != LF )
pData[j++] = utolxlat(pUClipbrdData[i]);
pData[j] = '\0';
debug(F111,"Clipboard","pData length",j);
putkeystr( vmode, pData );
free(pData);
rc = 0 ;
}
else {
rc = -1;
}
}
free( pUClipbrdData ) ;
}
} else {
if ( pClipbrdData ) {
char * pData = NULL;
int i=0, j=0, len = 0;
len = strlen(pClipbrdData);
debug(F111,"Clipboard","pClipbrdData length",len);
pData = (char *)malloc(len+2);
debug(F111,"Clipboard","pData",pData);
if ( pData != NULL ) {
pData[0] = pClipbrdData[0];
for ( i=1, j=1 ; i<len ; i++ )
if ( pClipbrdData[i-1] != CR || pClipbrdData[i] != LF )
pData[j++] = pClipbrdData[i] ;
pData[j] = '\0';
debug(F111,"Clipboard","pData length",j);
if ( vmode == VTERM )
sendcharsduplex(pData,j,FALSE);
else
putkeystr( vmode, pData );
free(pData);
rc = 0 ;
}
else {
rc = -1;
}
free( pClipbrdData ) ;
}
}
if ( rc )
bleep( BP_FAIL ) ;
return rc ;
}
APIRET
CopyVscrnToClipboard( BYTE vmode, int select_mode )
{
ULONG ClipBoardSz = 0 ;
BYTE * pClipboard = 0 ;
#ifdef NT
HGLOBAL hClipboard = NULL ;
#endif /* NT */
APIRET rc = 0 ;
int use_unicode = (isunicode() && !isWin95());
if ( VscrnSelect(vmode, select_mode) )
return -1 ;
/* Determine size of Clipboard */
ClipBoardSz = use_unicode ? 2 * nselect : nselect ;
/* Allocate Clipboard Buffer */
#ifdef NT
if ( (hClipboard = GlobalAlloc( GMEM_MOVEABLE | GMEM_DDESHARE, ClipBoardSz )) == NULL )
#else /* NT */
if ( rc = DosAllocSharedMem( (PPVOID) &pClipboard, 0, ClipBoardSz,
PAG_COMMIT | PAG_READ | PAG_WRITE |
OBJ_GIVEABLE | OBJ_GETTABLE ) )
#endif /* NT */
{
bleep( BP_FAIL ) ;
return -1 ;
}
#ifdef NT
else
{
if ( ( pClipboard = GlobalLock( hClipboard )) == NULL )
{
GlobalFree( hClipboard ) ;
bleep( BP_FAIL ) ;
return -1 ;
}
memset( pClipboard, 0, GlobalSize( hClipboard ) ) ;
}
#endif /* NT */
/* Copy the data to the clibboard buffer */
if ( use_unicode )
memcpy( pClipboard, Uselection, ClipBoardSz );
else
strcpy( pClipboard, selection ) ;
#ifdef NT
if ( !use_unicode )
OemToChar( pClipboard, pClipboard );
GlobalUnlock( hClipboard ) ;
if ( OpenClipboard(NULL) )
{
EmptyClipboard() ;
if ( !SetClipboardData( use_unicode ? CF_UNICODETEXT : CF_TEXT, hClipboard ) )
{
GlobalFree( hClipboard ) ;
debug(F101,"PutClipboardData failed","",GetLastError() ) ;
}
CloseClipboard() ;
}
#else /* NT */
if ( PutTextToClipboardServer( pClipboard ) ) {
DosFreeMem( pClipboard ) ;
}
else if ( WinOpenClipbrd( hab ) ) {
WinEmptyClipbrd( hab ) ;
if ( !WinSetClipbrdData( hab, (ULONG) pClipboard, CF_TEXT, CFI_POINTER ) )
DosFreeMem( pClipboard ) ;
WinCloseClipbrd( hab ) ;
}
else {
DosFreeMem( pClipboard ) ;
rc = -1 ;
}
#endif /* NT */
return rc ;
}
APIRET
CopyVscrnToPrinter(BYTE vmode, int select_mode)
{
bool printstate = printon ;
APIRET rc = 0 ;
if ( VscrnSelect(vmode,select_mode) )
return -1 ;
/* Copy the data to the printer buffer */
if (!printstate)
printeron() ;
if (!printon)
bleep( BP_FAIL ) ;
else {
prtstr(selection,nselect-1); /* nselect includes NUL */
if (xprintff)
prtchar(FF);
}
if (!printstate)
printeroff();
return rc ;
}
void
markstart( BYTE vmode )
{
if ( markmodeflag[vmode] == marking ) {
VscrnUnmarkAll(vmode) ;
}
markmodeflag[vmode] = marking ;
VscrnMark( vmode,(VscrnGetScrollTop(vmode)+vscrn[vmode].cursor.y)%vscrn[vmode].linecount,
vscrn[vmode].cursor.x, vscrn[vmode].cursor.x ) ;
}
void
markcancel( BYTE vmode )
{
markmodeflag[vmode] = notmarking ;
VscrnUnmarkAll(vmode) ;
}
void
markdownone( BYTE vmode )
{
LONG curline = (VscrnGetScrollTop(vmode)+vscrn[vmode].cursor.y
+vscrn[vmode].linecount)%vscrn[vmode].linecount ;
if ( markmodeflag[vmode] == marking &&
curline != VscrnGetEnd(vmode)) {
if ( vscrn[vmode].marktop == curline &&
vscrn[vmode].lines[vscrn[vmode].marktop].markbeg == vscrn[vmode].cursor.x ) {
if ( vscrn[vmode].marktop == vscrn[vmode].markbot ) {
if ( vscrn[vmode].lines[vscrn[vmode].marktop].markbeg !=
vscrn[vmode].lines[vscrn[vmode].marktop].markend )
VscrnUnmark( vmode, vscrn[vmode].marktop,
vscrn[vmode].lines[vscrn[vmode].marktop].markbeg,
vscrn[vmode].lines[vscrn[vmode].marktop].markend-1 ) ;
VscrnMark( vmode, vscrn[vmode].markbot, vscrn[vmode].lines[vscrn[vmode].markbot].markend,
vscrn[vmode].lines[vscrn[vmode].markbot].width ) ;
VscrnMark( vmode, (vscrn[vmode].markbot+1)%vscrn[vmode].linecount, 0,
vscrn[vmode].cursor.x ) ;
}
else {
VscrnUnmark( vmode, vscrn[vmode].marktop, vscrn[vmode].cursor.x, MAXTERMCOL ) ;
if ( vscrn[vmode].marktop == vscrn[vmode].markbot &&
vscrn[vmode].cursor.x >= vscrn[vmode].lines[vscrn[vmode].markbot].markend ) {
VscrnUnmark( vmode, vscrn[vmode].marktop, 0,
vscrn[vmode].lines[vscrn[vmode].markbot].markend-1 ) ;
VscrnMark( vmode, vscrn[vmode].markbot,
vscrn[vmode].lines[vscrn[vmode].markbot].markend, vscrn[vmode].cursor.x ) ;
}
else {
if ( vscrn[vmode].cursor.x > 0 )
VscrnUnmark( vmode, vscrn[vmode].marktop, 0, vscrn[vmode].cursor.x-1 );
}
}
}
else {
VscrnMark( vmode, vscrn[vmode].markbot, vscrn[vmode].cursor.x,
vscrn[vmode].lines[vscrn[vmode].markbot].width ) ;
if ( vscrn[vmode].markbot != vscrn[vmode].end )
VscrnMark( vmode, (vscrn[vmode].markbot+1)%vscrn[vmode].linecount, 0,
vscrn[vmode].cursor.x ) ;
}
}
if ( markmodeflag[vmode] == inmarkmode ||
markmodeflag[vmode] == marking && curline != VscrnGetEnd(vmode) ) {
if ( vscrn[vmode].cursor.y == VscrnGetHeight(vmode)-(tt_status[vmode]?2:1) ) {
if ( VscrnMoveScrollTop(vmode,1) < 0 )
bleep(BP_FAIL);
}
else
vscrn[vmode].cursor.y++ ;
}
else {
bleep(BP_FAIL);
}
}
void
markupone( BYTE vmode )
{
LONG curline = (VscrnGetScrollTop(vmode)+vscrn[vmode].cursor.y
+vscrn[vmode].linecount)%vscrn[vmode].linecount ;
if ( markmodeflag[vmode] == marking &&
curline != VscrnGetBegin(vmode) ) {
if ( vscrn[vmode].markbot == curline &&
vscrn[vmode].lines[vscrn[vmode].markbot].markend == vscrn[vmode].cursor.x ) {
if ( vscrn[vmode].marktop == vscrn[vmode].markbot ) {
if ( vscrn[vmode].lines[vscrn[vmode].markbot].markbeg !=
vscrn[vmode].lines[vscrn[vmode].markbot].markend )
VscrnUnmark( vmode, vscrn[vmode].markbot,
vscrn[vmode].lines[vscrn[vmode].markbot].markbeg+1,
vscrn[vmode].lines[vscrn[vmode].markbot].markend ) ;
VscrnMark( vmode, vscrn[vmode].marktop, 0,
vscrn[vmode].lines[vscrn[vmode].marktop].markbeg ) ;
VscrnMark( vmode, (vscrn[vmode].marktop-1+vscrn[vmode].linecount)%vscrn[vmode].linecount,
vscrn[vmode].cursor.x,
vscrn[vmode].lines[(vscrn[vmode].marktop-1+vscrn[vmode].linecount)
%vscrn[vmode].linecount].width ) ;
}
else {
VscrnUnmark( vmode, vscrn[vmode].markbot, 0, vscrn[vmode].cursor.x ) ;
if ( vscrn[vmode].marktop == vscrn[vmode].markbot &&
vscrn[vmode].cursor.x <= vscrn[vmode].lines[vscrn[vmode].marktop].markbeg ) {
VscrnUnmark( vmode, vscrn[vmode].marktop,
vscrn[vmode].lines[vscrn[vmode].marktop].markbeg+1, MAXTERMCOL ) ;
VscrnMark( vmode, vscrn[vmode].marktop, vscrn[vmode].cursor.x,
vscrn[vmode].lines[vscrn[vmode].marktop].markbeg ) ;
}
else {
VscrnUnmark( vmode, vscrn[vmode].markbot, vscrn[vmode].cursor.x+1, MAXTERMCOL );
}
}
}
else {
VscrnMark( vmode, vscrn[vmode].marktop, 0, vscrn[vmode].cursor.x ) ;
if ( vscrn[vmode].marktop != vscrn[vmode].beg )
VscrnMark( vmode, (vscrn[vmode].marktop-1+vscrn[vmode].linecount)%vscrn[vmode].linecount,
vscrn[vmode].cursor.x,
vscrn[vmode].lines[(vscrn[vmode].marktop-1+vscrn[vmode].linecount)
%vscrn[vmode].linecount].width ) ;
}
}
if ( markmodeflag[vmode] == inmarkmode ||
markmodeflag[vmode] == marking &&
curline != VscrnGetBegin(vmode) ) {
if ( vscrn[vmode].cursor.y == 0 ) {
if ( VscrnMoveScrollTop(vmode,-1) < 0 )
bleep(BP_FAIL);
}
else
vscrn[vmode].cursor.y-- ;
}
else {
bleep(BP_FAIL);
}
}
void
markleftone( BYTE vmode )
{
LONG curline = (VscrnGetScrollTop(vmode)+vscrn[vmode].cursor.y
+vscrn[vmode].linecount)%vscrn[vmode].linecount ;
if ( markmodeflag[vmode] == marking && vscrn[vmode].cursor.x > 0 ) {
if ( vscrn[vmode].marktop == curline &&
vscrn[vmode].lines[vscrn[vmode].marktop].markbeg == vscrn[vmode].cursor.x ) {
VscrnMark( vmode, vscrn[vmode].marktop, vscrn[vmode].cursor.x-1, vscrn[vmode].cursor.x-1 ) ;
}
else {
VscrnUnmark( vmode, vscrn[vmode].markbot, vscrn[vmode].cursor.x, vscrn[vmode].cursor.x ) ;
}
}
if ( vscrn[vmode].cursor.x == 0 )
bleep(BP_FAIL);
else
vscrn[vmode].cursor.x-- ;
}
void
markrightone( BYTE vmode )
{
LONG curline = (VscrnGetScrollTop(vmode)+vscrn[vmode].cursor.y
+vscrn[vmode].linecount)%vscrn[vmode].linecount ;
if ( markmodeflag[vmode] == marking && vscrn[vmode].cursor.x < VscrnGetWidth(VTERM)-1 ) {
if ( vscrn[vmode].markbot == curline &&
vscrn[vmode].lines[vscrn[vmode].markbot].markend == vscrn[vmode].cursor.x ) {
VscrnMark( vmode, vscrn[vmode].markbot, vscrn[vmode].cursor.x+1, vscrn[vmode].cursor.x+1 ) ;
}
else {
VscrnUnmark( vmode, vscrn[vmode].marktop, vscrn[vmode].cursor.x, vscrn[vmode].cursor.x ) ;
}
}
if ( vscrn[vmode].cursor.x == VscrnGetWidth(VTERM)-1 )
bleep(BP_FAIL);
else
vscrn[vmode].cursor.x++ ;
}