59cc89c2c2
files, curses, db, regex etc that we already have). The other glue will follow shortly. Obtained from: Keith Bostic <bostic@bostic.com>
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/*-
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* Copyright (c) 1993, 1994
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 1992, 1993, 1994, 1995, 1996
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* Keith Bostic. All rights reserved.
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*
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* See the LICENSE file for redistribution information.
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*/
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#include "config.h"
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#ifndef lint
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static const char sccsid[] = "@(#)v_screen.c 10.10 (Berkeley) 4/27/96";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <sys/time.h>
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#include <bitstring.h>
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#include <limits.h>
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#include <stdio.h>
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#include "../common/common.h"
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#include "vi.h"
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/*
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* v_screen -- ^W
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* Switch screens.
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*
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* PUBLIC: int v_screen __P((SCR *, VICMD *));
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*/
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int
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v_screen(sp, vp)
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SCR *sp;
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VICMD *vp;
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{
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/*
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* You can't leave a colon command-line edit window -- it's not that
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* it won't work, but it gets real weird, real fast when you execute
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* a colon command out of a window that was forked from a window that's
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* now backgrounded... You get the idea.
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*/
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if (F_ISSET(sp, SC_COMEDIT)) {
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msgq(sp, M_ERR,
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"308|Enter <CR> to execute a command, :q to exit");
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return (1);
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}
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/*
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* Try for the next lower screen, or, go back to the first
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* screen on the stack.
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*/
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if (sp->q.cqe_next != (void *)&sp->gp->dq)
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sp->nextdisp = sp->q.cqe_next;
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else if (sp->gp->dq.cqh_first == sp) {
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msgq(sp, M_ERR, "187|No other screen to switch to");
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return (1);
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} else
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sp->nextdisp = sp->gp->dq.cqh_first;
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F_SET(sp->nextdisp, SC_STATUS);
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F_SET(sp, SC_SSWITCH | SC_STATUS);
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return (0);
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}
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