132 lines
2.3 KiB
C
132 lines
2.3 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) 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[] = "$Id: ex_screen.c,v 10.12 2001/06/25 15:19:19 skimo Exp $";
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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 <stdlib.h>
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#include <string.h>
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#include "../common/common.h"
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#include "../vi/vi.h"
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/*
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* ex_bg -- :bg
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* Hide the screen.
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*
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* PUBLIC: int ex_bg(SCR *, EXCMD *);
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*/
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int
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ex_bg(SCR *sp, EXCMD *cmdp)
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{
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return (vs_bg(sp));
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}
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/*
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* ex_fg -- :fg [file]
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* Show the screen.
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*
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* PUBLIC: int ex_fg(SCR *, EXCMD *);
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*/
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int
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ex_fg(SCR *sp, EXCMD *cmdp)
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{
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SCR *nsp;
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int newscreen;
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newscreen = F_ISSET(cmdp, E_NEWSCREEN);
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if (vs_fg(sp, &nsp, cmdp->argc ? cmdp->argv[0]->bp : NULL, newscreen))
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return (1);
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/* Set up the switch. */
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if (newscreen) {
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sp->nextdisp = nsp;
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F_SET(sp, SC_SSWITCH);
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}
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return (0);
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}
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/*
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* ex_resize -- :resize [+-]rows
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* Change the screen size.
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*
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* PUBLIC: int ex_resize(SCR *, EXCMD *);
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*/
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int
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ex_resize(SCR *sp, EXCMD *cmdp)
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{
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adj_t adj;
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switch (FL_ISSET(cmdp->iflags,
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E_C_COUNT | E_C_COUNT_NEG | E_C_COUNT_POS)) {
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case E_C_COUNT:
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adj = A_SET;
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break;
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case E_C_COUNT | E_C_COUNT_NEG:
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adj = A_DECREASE;
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break;
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case E_C_COUNT | E_C_COUNT_POS:
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adj = A_INCREASE;
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break;
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default:
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ex_emsg(sp, cmdp->cmd->usage, EXM_USAGE);
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return (1);
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}
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return (vs_resize(sp, cmdp->count, adj));
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}
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/*
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* ex_sdisplay --
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* Display the list of screens.
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*
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* PUBLIC: int ex_sdisplay(SCR *);
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*/
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int
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ex_sdisplay(SCR *sp)
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{
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GS *gp;
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SCR *tsp;
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int cnt, col, len, sep;
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gp = sp->gp;
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if ((tsp = TAILQ_FIRST(gp->hq)) == NULL) {
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msgq(sp, M_INFO, "149|No background screens to display");
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return (0);
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}
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col = len = sep = 0;
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for (cnt = 1; tsp != NULL && !INTERRUPTED(sp);
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tsp = TAILQ_NEXT(tsp, q)) {
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col += len = strlen(tsp->frp->name) + sep;
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if (col >= sp->cols - 1) {
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col = len;
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sep = 0;
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(void)ex_puts(sp, "\n");
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} else if (cnt != 1) {
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sep = 1;
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(void)ex_puts(sp, " ");
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}
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(void)ex_puts(sp, tsp->frp->name);
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++cnt;
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}
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if (!INTERRUPTED(sp))
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(void)ex_puts(sp, "\n");
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return (0);
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}
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