2 * Copyright (c) 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 * Copyright (c) 1993, 1994, 1995, 1996
5 * Keith Bostic. All rights reserved.
7 * See the LICENSE file for redistribution information.
13 static const char sccsid[] = "@(#)ex_screen.c 10.11 (Berkeley) 6/29/96";
16 #include <sys/types.h>
17 #include <sys/queue.h>
20 #include <bitstring.h>
26 #include "../common/common.h"
33 * PUBLIC: int ex_bg __P((SCR *, EXCMD *));
47 * PUBLIC: int ex_fg __P((SCR *, EXCMD *));
57 newscreen = F_ISSET(cmdp, E_NEWSCREEN);
58 if (vs_fg(sp, &nsp, cmdp->argc ? cmdp->argv[0]->bp : NULL, newscreen))
61 /* Set up the switch. */
64 F_SET(sp, SC_SSWITCH);
70 * ex_resize -- :resize [+-]rows
71 * Change the screen size.
73 * PUBLIC: int ex_resize __P((SCR *, EXCMD *));
82 switch (FL_ISSET(cmdp->iflags,
83 E_C_COUNT | E_C_COUNT_NEG | E_C_COUNT_POS)) {
87 case E_C_COUNT | E_C_COUNT_NEG:
90 case E_C_COUNT | E_C_COUNT_POS:
94 ex_emsg(sp, cmdp->cmd->usage, EXM_USAGE);
97 return (vs_resize(sp, cmdp->count, adj));
102 * Display the list of screens.
104 * PUBLIC: int ex_sdisplay __P((SCR *));
112 int cnt, col, len, sep;
115 if ((tsp = gp->hq.cqh_first) == (void *)&gp->hq) {
116 msgq(sp, M_INFO, "149|No background screens to display");
121 for (cnt = 1; tsp != (void *)&gp->hq && !INTERRUPTED(sp);
122 tsp = tsp->q.cqe_next) {
123 col += len = strlen(tsp->frp->name) + sep;
124 if (col >= sp->cols - 1) {
127 (void)ex_puts(sp, "\n");
128 } else if (cnt != 1) {
130 (void)ex_puts(sp, " ");
132 (void)ex_puts(sp, tsp->frp->name);
135 if (!INTERRUPTED(sp))
136 (void)ex_puts(sp, "\n");