From 59cc89c2c2e686da3bdab2d5cfac4f33462d29fe Mon Sep 17 00:00:00 2001 From: peter Date: Fri, 1 Nov 1996 06:45:43 +0000 Subject: Import of nvi-1.79, minus a few bits that we dont need (eg: postscript files, curses, db, regex etc that we already have). The other glue will follow shortly. Obtained from: Keith Bostic --- contrib/nvi/vi/v_screen.c | 65 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 contrib/nvi/vi/v_screen.c (limited to 'contrib/nvi/vi/v_screen.c') diff --git a/contrib/nvi/vi/v_screen.c b/contrib/nvi/vi/v_screen.c new file mode 100644 index 0000000..85cd1e3 --- /dev/null +++ b/contrib/nvi/vi/v_screen.c @@ -0,0 +1,65 @@ +/*- + * Copyright (c) 1993, 1994 + * The Regents of the University of California. All rights reserved. + * Copyright (c) 1992, 1993, 1994, 1995, 1996 + * Keith Bostic. All rights reserved. + * + * See the LICENSE file for redistribution information. + */ + +#include "config.h" + +#ifndef lint +static const char sccsid[] = "@(#)v_screen.c 10.10 (Berkeley) 4/27/96"; +#endif /* not lint */ + +#include +#include +#include + +#include +#include +#include + +#include "../common/common.h" +#include "vi.h" + +/* + * v_screen -- ^W + * Switch screens. + * + * PUBLIC: int v_screen __P((SCR *, VICMD *)); + */ +int +v_screen(sp, vp) + SCR *sp; + VICMD *vp; +{ + /* + * You can't leave a colon command-line edit window -- it's not that + * it won't work, but it gets real weird, real fast when you execute + * a colon command out of a window that was forked from a window that's + * now backgrounded... You get the idea. + */ + if (F_ISSET(sp, SC_COMEDIT)) { + msgq(sp, M_ERR, + "308|Enter to execute a command, :q to exit"); + return (1); + } + + /* + * Try for the next lower screen, or, go back to the first + * screen on the stack. + */ + if (sp->q.cqe_next != (void *)&sp->gp->dq) + sp->nextdisp = sp->q.cqe_next; + else if (sp->gp->dq.cqh_first == sp) { + msgq(sp, M_ERR, "187|No other screen to switch to"); + return (1); + } else + sp->nextdisp = sp->gp->dq.cqh_first; + + F_SET(sp->nextdisp, SC_STATUS); + F_SET(sp, SC_SSWITCH | SC_STATUS); + return (0); +} -- cgit v1.1