xref: /netbsd-src/external/bsd/tmux/dist/cmd-capture-pane.c (revision 46f5119e40af2e51998f686b2fdcc76b5488f7f3)
1 /* $Id: cmd-capture-pane.c,v 1.1.1.1 2011/03/10 09:15:36 jmmv Exp $ */
2 
3 /*
4  * Copyright (c) 2009 Jonathan Alvarado <radobobo@users.sourceforge.net>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <sys/types.h>
20 
21 #include <string.h>
22 
23 #include "tmux.h"
24 
25 /*
26  * Write the entire contents of a pane to a buffer.
27  */
28 
29 int	cmd_capture_pane_exec(struct cmd *, struct cmd_ctx *);
30 
31 const struct cmd_entry cmd_capture_pane_entry = {
32 	"capture-pane", "capturep",
33 	CMD_BUFFER_PANE_USAGE,
34 	0, "",
35 	cmd_buffer_init,
36 	cmd_buffer_parse,
37 	cmd_capture_pane_exec,
38 	cmd_buffer_free,
39 	cmd_buffer_print
40 };
41 
42 int
43 cmd_capture_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
44 {
45 	struct cmd_buffer_data	*data = self->data;
46 	struct window_pane	*wp;
47 	char 			*buf, *line;
48 	struct screen		*s;
49 	struct session		*sess;
50 	u_int			 i, limit;
51 	size_t         		 len, linelen;
52 
53 	if (cmd_find_pane(ctx, data->target, &sess, &wp) == NULL)
54 		return (-1);
55 	s = &wp->base;
56 
57 	buf = NULL;
58 	len = 0;
59 
60 	for (i = 0; i < screen_size_y(s); i++) {
61 	       line = grid_view_string_cells(s->grid, 0, i, screen_size_x(s));
62 	       linelen = strlen(line);
63 
64 	       buf = xrealloc(buf, 1, len + linelen + 1);
65 	       memcpy(buf + len, line, linelen);
66 	       len += linelen;
67 	       buf[len++] = '\n';
68 
69 	       xfree(line);
70 	}
71 
72 	limit = options_get_number(&sess->options, "buffer-limit");
73 	if (data->buffer == -1) {
74 		paste_add(&sess->buffers, buf, len, limit);
75 		return (0);
76 	}
77 	if (paste_replace(&sess->buffers, data->buffer, buf, len) != 0) {
78 		ctx->error(ctx, "no buffer %d", data->buffer);
79 		xfree(buf);
80 		return (-1);
81 	}
82 	return (0);
83 }
84