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Length: 2479 (0x9af)
Types: TextFile
Names: »screenh.c«
└─⟦2d1937cfd⟧ Bits:30007241 EUUGD22: P.P 5.0
└─⟦dc59850a2⟧ »EurOpenD22/pp5.0/pp-5.tar.Z«
└─⟦e5a54fb17⟧
└─⟦this⟧ »pp-5.0/Tools/mu/screenh.c«
/* screenh.c screen handling routines */
# ifndef lint
static char Rcsid[] = "@(#)$Header: /cs/research/pp/hubris/pp-beta/Tools/mu/RCS/screenh.c,v 5.0 90/09/20 16:29:09 pp Exp Locker: pp $";
# endif
/*
* $Header: /cs/research/pp/hubris/pp-beta/Tools/mu/RCS/screenh.c,v 5.0 90/09/20 16:29:09 pp Exp Locker: pp $
*
* $Log: screenh.c,v $
* Revision 5.0 90/09/20 16:29:09 pp
* rcsforce : 5.0 public release
*
*/
#include <curses.h>
#include <signal.h>
extern int use_termcap; /* can switch off termcap usage :
used in start_screen
finish_screen and
clean_quit */
#define LINES 24
#define COLS 80
/* These used by termcap */
char PC;
char *BC;
char *UP;
char bp[1024];
short ospeed;
void start_screen();
void finish_screen();
void set_strings ();
void posline ();
void insertline ();
void messline ();
void cleanquit ();
/* ----------------------------------------------------------------- */
void start_screen()
{
if(!use_termcap)
return;
initscr(); /* curses - SHOULD test return code */
crmode(); /* curses */
noecho(); /* curses */
set_strings();
return;
}
/* ----------------------------------------------------------------- */
void finish_screen()
{
if(!use_termcap)
return;
endwin(); /* curses */
return;
}
/* ----------------------------------------------------------------- */
void set_strings() /* set terminal-specific strings */
{
tgetent(bp,""); /* curses */
/* printf("%2d returned from tgetent\n",tgetent(bp,"")); */
return;
}
/* ----------------------------------------------------------------- */
void posline(i) /* position cursor at start of line i */
int i;
{
printf( (char *) tgoto(CM,0,i)); /* termcap */
return;
}
/* ----------------------------------------------------------------- */
void messline(i,mess) /* write message mess at start of line i */
int i;
char *mess;
{
posline(i);
printf(CE); /* CE from termcap */
printf("%s",mess);
return;
}
/* ----------------------------------------------------------------- */
void insertline(i) /* reverse scroll screen inserting blank at line i */
int i;
{
posline(i);
printf(AL); /* AL from termcap */
posline(i); /* always reposition */
return;
}
/* ----------------------------------------------------------------- */
void cleanquit()
{
finish_screen();
fflush(stdout);
if(!use_termcap)
exit(1);
posline(LINES);
printf(CE); /* CE from termcap */
exit(1);
}
/* ----------------------------------------------------------------- */