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down_arrow.c
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down_arrow.c
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/*
* Copyright (C) 1992 by Rush Record (rhr@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 "rec.h"
#include "window.h"
#include "ed_dec.h"
/******************************************************************************\
|Routine: down_arrow
|Callby: edit insert move_line wincom
|Purpose: Does what is required to move the cursor down.
|Arguments:
| repeat is the repeat count for the action.
\******************************************************************************/
void down_arrow(repeat)
Int repeat;
{
register Int i;
for(i = repeat;CURREC != BASE && i > 0;i--,CURROW++)
CURREC = CURREC->next;
if(i != 0)
abort_key();
i = get_column(CURREC,CURREC->length);
if(WANTCOL >= i)
{
CURCOL = i;
CURBYT = CURREC->length;
}
else
CURCOL = find_column(CURREC,WANTCOL,&CURBYT);
fix_display();
}