Commit | Line | Data |
---|---|---|
18ae9d6b AS |
1 | /*- |
2 | * Copyright (c) 1993 | |
3 | * The Regents of the University of California. All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef lint | |
35 | static char sccsid[] = "@(#)ex_screen.c 8.10 (Berkeley) 12/2/93"; | |
36 | #endif /* not lint */ | |
37 | ||
38 | #include <sys/types.h> | |
39 | ||
40 | #include <stdlib.h> | |
41 | #include <string.h> | |
42 | ||
43 | #include "vi.h" | |
44 | #include "excmd.h" | |
45 | ||
46 | /* | |
47 | * ex_split -- :s[plit] [file ...] | |
48 | * Split the screen, optionally setting the file list. | |
49 | */ | |
50 | int | |
51 | ex_split(sp, ep, cmdp) | |
52 | SCR *sp; | |
53 | EXF *ep; | |
54 | EXCMDARG *cmdp; | |
55 | { | |
56 | return (sp->s_split(sp, cmdp->argc ? cmdp->argv : NULL)); | |
57 | } | |
58 | ||
59 | /* | |
60 | * ex_bg -- :bg | |
61 | * Hide the screen. | |
62 | */ | |
63 | int | |
64 | ex_bg(sp, ep, cmdp) | |
65 | SCR *sp; | |
66 | EXF *ep; | |
67 | EXCMDARG *cmdp; | |
68 | { | |
69 | return (sp->s_bg(sp)); | |
70 | } | |
71 | ||
72 | /* | |
73 | * ex_fg -- :fg [file] | |
74 | * Show the screen. | |
75 | */ | |
76 | int | |
77 | ex_fg(sp, ep, cmdp) | |
78 | SCR *sp; | |
79 | EXF *ep; | |
80 | EXCMDARG *cmdp; | |
81 | { | |
82 | return (sp->s_fg(sp, cmdp->argc ? cmdp->argv[0]->bp : NULL)); | |
83 | } | |
84 | ||
85 | /* | |
86 | * ex_resize -- :resize [change] | |
87 | * Change the screen size. | |
88 | */ | |
89 | int | |
90 | ex_resize(sp, ep, cmdp) | |
91 | SCR *sp; | |
92 | EXF *ep; | |
93 | EXCMDARG *cmdp; | |
94 | { | |
95 | if (!F_ISSET(cmdp, E_COUNT)) | |
96 | cmdp->count = 1; | |
97 | return (sp->s_rabs(sp, cmdp->count)); | |
98 | } | |
99 | ||
100 | /* | |
101 | * ex_sdisplay -- | |
102 | * Display the list of screens. | |
103 | */ | |
104 | int | |
105 | ex_sdisplay(sp, ep) | |
106 | SCR *sp; | |
107 | EXF *ep; | |
108 | { | |
109 | SCR *tsp; | |
110 | int cnt, col, len, sep; | |
111 | ||
112 | if ((tsp = sp->gp->hq.cqh_first) == (void *)&sp->gp->hq) { | |
113 | (void)ex_printf(EXCOOKIE, | |
114 | "No backgrounded screens to display.\n"); | |
115 | return (0); | |
116 | } | |
117 | ||
118 | col = len = sep = 0; | |
119 | for (cnt = 1; tsp != (void *)&sp->gp->hq; tsp = tsp->q.cqe_next) { | |
120 | col += len = strlen(FILENAME(tsp->frp)) + sep; | |
121 | if (col >= sp->cols - 1) { | |
122 | col = len; | |
123 | sep = 0; | |
124 | (void)ex_printf(EXCOOKIE, "\n"); | |
125 | } else if (cnt != 1) { | |
126 | sep = 1; | |
127 | (void)ex_printf(EXCOOKIE, " "); | |
128 | } | |
129 | (void)ex_printf(EXCOOKIE, "%s", FILENAME(tsp->frp)); | |
130 | ++cnt; | |
131 | } | |
132 | (void)ex_printf(EXCOOKIE, "\n"); | |
133 | return (0); | |
134 | } |