/* $OpenBSD: ex_screen.c,v 1.4 2001/01/29 01:58:44 niklas Exp $ */ /*- * Copyright (c) 1993, 1994 * The Regents of the University of California. All rights reserved. * Copyright (c) 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[] = "@(#)ex_screen.c 10.11 (Berkeley) 6/29/96"; #endif /* not lint */ #include #include #include #include #include #include #include #include #include "../common/common.h" #include "../vi/vi.h" /* * ex_bg -- :bg * Hide the screen. * * PUBLIC: int ex_bg __P((SCR *, EXCMD *)); */ int ex_bg(sp, cmdp) SCR *sp; EXCMD *cmdp; { return (vs_bg(sp)); } /* * ex_fg -- :fg [file] * Show the screen. * * PUBLIC: int ex_fg __P((SCR *, EXCMD *)); */ int ex_fg(sp, cmdp) SCR *sp; EXCMD *cmdp; { SCR *nsp; int newscreen; newscreen = F_ISSET(cmdp, E_NEWSCREEN); if (vs_fg(sp, &nsp, cmdp->argc ? cmdp->argv[0]->bp : NULL, newscreen)) return (1); /* Set up the switch. */ if (newscreen) { sp->nextdisp = nsp; F_SET(sp, SC_SSWITCH); } return (0); } /* * ex_resize -- :resize [+-]rows * Change the screen size. * * PUBLIC: int ex_resize __P((SCR *, EXCMD *)); */ int ex_resize(sp, cmdp) SCR *sp; EXCMD *cmdp; { adj_t adj; switch (FL_ISSET(cmdp->iflags, E_C_COUNT | E_C_COUNT_NEG | E_C_COUNT_POS)) { case E_C_COUNT: adj = A_SET; break; case E_C_COUNT | E_C_COUNT_NEG: adj = A_DECREASE; break; case E_C_COUNT | E_C_COUNT_POS: adj = A_INCREASE; break; default: ex_emsg(sp, cmdp->cmd->usage, EXM_USAGE); return (1); } return (vs_resize(sp, cmdp->count, adj)); } /* * ex_sdisplay -- * Display the list of screens. * * PUBLIC: int ex_sdisplay __P((SCR *)); */ int ex_sdisplay(sp) SCR *sp; { GS *gp; SCR *tsp; int cnt, col, len, sep; gp = sp->gp; if ((tsp = gp->hq.cqh_first) == (void *)&gp->hq) { msgq(sp, M_INFO, "149|No background screens to display"); return (0); } col = len = sep = 0; for (cnt = 1; tsp != (void *)&gp->hq && !INTERRUPTED(sp); tsp = tsp->q.cqe_next) { col += len = strlen(tsp->frp->name) + sep; if (col >= sp->cols - 1) { col = len; sep = 0; (void)ex_puts(sp, "\n"); } else if (cnt != 1) { sep = 1; (void)ex_puts(sp, " "); } (void)ex_puts(sp, tsp->frp->name); ++cnt; } if (!INTERRUPTED(sp)) (void)ex_puts(sp, "\n"); return (0); }