/* $NetBSD: v_screen.c,v 1.1.1.2 2008/05/18 14:31:43 aymeric Exp $ */ /*- * 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[] = "Id: v_screen.c,v 10.12 2001/06/25 15:19:34 skimo Exp (Berkeley) Date: 2001/06/25 15:19:34"; #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(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->wp->scrq) sp->nextdisp = sp->q.cqe_next; else if (sp->wp->scrq.cqh_first == sp) { msgq(sp, M_ERR, "187|No other screen to switch to"); return (1); } else sp->nextdisp = sp->wp->scrq.cqh_first; F_SET(sp->nextdisp, SC_STATUS); F_SET(sp, SC_SSWITCH | SC_STATUS); return (0); }