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
[] = "$Id: ex_screen.c,v 10.12 2001/06/25 15:19:19 skimo Exp $";
16 #include <sys/types.h>
17 #include <sys/queue.h>
20 #include <bitstring.h>
26 #include "../common/common.h"
33 * PUBLIC: int ex_bg(SCR *, EXCMD *);
36 ex_bg(SCR
*sp
, EXCMD
*cmdp
)
45 * PUBLIC: int ex_fg(SCR *, EXCMD *);
48 ex_fg(SCR
*sp
, EXCMD
*cmdp
)
53 newscreen
= F_ISSET(cmdp
, E_NEWSCREEN
);
54 if (vs_fg(sp
, &nsp
, cmdp
->argc
? cmdp
->argv
[0]->bp
: NULL
, newscreen
))
57 /* Set up the switch. */
60 F_SET(sp
, SC_SSWITCH
);
66 * ex_resize -- :resize [+-]rows
67 * Change the screen size.
69 * PUBLIC: int ex_resize(SCR *, EXCMD *);
72 ex_resize(SCR
*sp
, EXCMD
*cmdp
)
76 switch (FL_ISSET(cmdp
->iflags
,
77 E_C_COUNT
| E_C_COUNT_NEG
| E_C_COUNT_POS
)) {
81 case E_C_COUNT
| E_C_COUNT_NEG
:
84 case E_C_COUNT
| E_C_COUNT_POS
:
88 ex_emsg(sp
, cmdp
->cmd
->usage
, EXM_USAGE
);
91 return (vs_resize(sp
, cmdp
->count
, adj
));
96 * Display the list of screens.
98 * PUBLIC: int ex_sdisplay(SCR *);
105 int cnt
, col
, len
, sep
;
108 if ((tsp
= TAILQ_FIRST(gp
->hq
)) == NULL
) {
109 msgq(sp
, M_INFO
, "149|No background screens to display");
114 for (cnt
= 1; tsp
!= NULL
&& !INTERRUPTED(sp
);
115 tsp
= TAILQ_NEXT(tsp
, q
)) {
116 col
+= len
= strlen(tsp
->frp
->name
) + sep
;
117 if (col
>= sp
->cols
- 1) {
120 (void)ex_puts(sp
, "\n");
121 } else if (cnt
!= 1) {
123 (void)ex_puts(sp
, " ");
125 (void)ex_puts(sp
, tsp
->frp
->name
);
128 if (!INTERRUPTED(sp
))
129 (void)ex_puts(sp
, "\n");