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vterm_csi_DL.c
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vterm_csi_DL.c
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/*
Copyright (C) 2009 Bryan Christ
This program 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; either version 2
of the License, or (at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/*
This library is based on ROTE written by Bruno Takahashi C. de Oliveira
*/
#include <string.h>
#include "vterm.h"
#include "vterm_private.h"
#include "vterm_csi.h"
/* Interpret a 'delete line' sequence (DL) */
void interpret_csi_DL(vterm_t *vterm,int param[],int pcount)
{
int i, j;
int n=1;
if(pcount && param[0] > 0) n=param[0];
for(i=vterm->crow;i <= vterm->scroll_max; i++)
{
// vterm->dirty_lines[i]=TRUE;
if(i+n <= vterm->scroll_max)
{
memcpy(vterm->cells[i],vterm->cells[i+n],
sizeof(vterm_cell_t)*vterm->cols);
}
else
{
for(j=0;j < vterm->cols;j++)
{
vterm->cells[i][j].ch=0x20;
vterm->cells[i][j].attr=vterm->curattr;
vterm->cells[i][j].color=vterm->colors;
}
}
}
return;
}