cmd-capture-pane.c

   1 /* $OpenBSD$ */
   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 }