Category : C++ Source Code
Archive   : CURSESP.ZIP
Filename : INITSCR.C

/****************************************************************/
/* Initscr() routine of the PCcurses package */
/* */
/****************************************************************/
/* This version of curses is based on ncurses, a curses version */
/* originally written by Pavel Curtis at Cornell University. */
/* I have made substantial changes to make it run on IBM PC's, */
/* and therefore consider myself free to make it public domain. */
/* Bjorn Larsson (...mcvax!enea!infovax!bl) */
/****************************************************************/
/* 1.0: Release: 870515 */
/* 1.1: Revision string in the code: 880306 */
/* 1.2: Rcsid[] string for maintenance: 881002 */
/* 1.3: MSC -W3, Turbo'C' -w -w-pro checkes: 881005 */
/****************************************************************/

#include
#include

char _curses_initscr_rcsid[] = "@(#)initscr.c v1.3 - 881005";
char _curses_revcod[] = CURSES_RCS_ID;
char _curses_cpyrgt[] = "Author B. Larsson - Public Domain";

extern void exit(int); /* to avoid warings */

WINDOW *curscr; /* the current screen image */
WINDOW *stdscr; /* the default screen window */
cursv _cursvar; /* curses variables */
int _LINES = 0; /* terminal height */
int _COLS = 0; /* terminal width */

/****************************************************************/
/* Initscr() does necessary initializations for the PCcurses */
/* package. It MUST be called before any other curses routines. */
/****************************************************************/

int initscr()
{
_cursvar.cursrow = -1; /* Initial cursor unknown */
_cursvar.curscol = -1;
_cursvar.autocr = TRUE; /* lf -> crlf by default */
_cursvar.raw = FALSE; /* tty I/O modes */
_cursvar.cbreak = FALSE;
_cursvar.echo = TRUE;
_cursvar.refrbrk = FALSE; /* no premature end of refresh */
_cursvar.orgcbr = (bool)_cursesgcb();
/* original ^BREAK setting */
if(_LINES == 0)
_LINES = 25; /* @@@@ this must be fixed */
if(_COLS == 0)
_COLS = _cursesgcols();

if ((_cursvar.tmpwin = newwin(_LINES,_COLS,0,0)) == (WINDOW *)NULL)
exit(1);
if ((curscr = newwin(_LINES,_COLS,0,0)) == (WINDOW *)NULL)
exit(1);
if ((stdscr = newwin(_LINES,_COLS,0,0)) == (WINDOW *)NULL)
exit(1);
curscr->_clear = FALSE;
return(OK);
} /* initscr */