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C/C++ Users Group Library 1996 July
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C-C++ Users Group Library July 1996.iso
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vol_400
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424_02
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ED-157
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unselect.c
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1994-02-08
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/*
* Copyright (C) 1992 by Rush Record
* Copyright (C) 1993 by Charles Sandmann (sandmann@clio.rice.edu)
*
* This file is part of ED.
*
* ED is free software; you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Foundation.
*
* ED is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with ED
* (see the file COPYING). If not, write to the Free Software Foundation, 675
* Mass Ave, Cambridge, MA 02139, USA.
*/
#include "opsys.h"
#include "ctyp_dec.h"
#include "rec.h"
#include "window.h"
#include "ed_dec.h"
/******************************************************************************\
|Routine: unselect
|Callby: command edit inquire set_window sort_recs trim wincom word_fill
|Purpose: Turns off the select marker.
|Arguments:
| none
\******************************************************************************/
void unselect()
{
register rec_ptr r;
register Int selrow,selcol;
Char b[2];
if(!SELREC)
return;
for(r = TOPREC,selrow = TOPROW;r != BASE && r != BOTREC;r = r->next,selrow++)
if(r == SELREC)
break;
if(r == SELREC)
{
if(SELREC == BASE)
{
move(selrow,1);
eob();
cr();
}
else
{
selcol = get_column(SELREC,SELBYT) - FIRSTCOL + 1;
if(selcol > 0 && selcol <= NCOL)
{
move(selrow,selcol + FIRSTCOL - 1);
putz(" ");
move(selrow,selcol + FIRSTCOL - 1);
if(SELBYT || SELREC->length)
{
b[0] = SELREC->data[SELBYT];
if(b[0] != '\t' && SELBYT != SELREC->length)
{
if(NONPRINTNCS(b[0]) || HEXMODE)
b[0] = '<';
b[1] = '\0';
putz(b);
move(selrow,selcol + FIRSTCOL - 1);
}
}
}
}
}
SELREC = 0;
}