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Add -a to capture-pane to capture alternate screen, from George Nachman.

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This commit is contained in:
Nicholas Marriott 2013-02-24 07:52:03 +00:00
parent 234f6d27c1
commit b2a61348dd
2 changed files with 24 additions and 10 deletions
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24
cmd-capture-pane.c
View File

@ -31,8 +31,8 @@ enum cmd_retval cmd_capture_pane_exec(struct cmd *, struct cmd_q *);
const struct cmd_entry cmd_capture_pane_entry = {
"capture-pane", "capturep",
"b:CeE:JpS:t:", 0, 0,
"[-CeJp] [-b buffer-index] [-E end-line] [-S start-line]"
"ab:CeE:JpS:t:", 0, 0,
"[-aCeJp] [-b buffer-index] [-E end-line] [-S start-line]"
CMD_TARGET_PANE_USAGE,
0,
NULL,
@ -50,15 +50,27 @@ cmd_capture_pane_exec(struct cmd *self, struct cmd_q *cmdq)
struct screen *s;
struct grid *gd;
int buffer, n, with_codes, escape_c0, join_lines;
u_int i, limit, top, bottom, tmp;
u_int i, limit, top, bottom, tmp, sx;
size_t len, linelen;
struct grid_cell *gc;
const struct grid_line *gl;
if (cmd_find_pane(cmdq, args_get(args, 't'), NULL, &wp) == NULL)
return (CMD_RETURN_ERROR);
if (args_has(args, 'a')) {
s = NULL;
gd = wp->saved_grid;
sx = screen_size_x(&wp->base);
if (gd == NULL) {
cmdq_error(cmdq, "no alternate screen");
return (CMD_RETURN_ERROR);
}
} else {
s = &wp->base;
sx = screen_size_x(s);
gd = s->grid;
}
buf = NULL;
len = 0;
@ -97,15 +109,15 @@ cmd_capture_pane_exec(struct cmd *self, struct cmd_q *cmdq)
gc = NULL;
for (i = top; i <= bottom; i++) {
line = grid_string_cells(s->grid, 0, i, screen_size_x(s),
&gc, with_codes, escape_c0);
line = grid_string_cells(gd, 0, i, sx, &gc, with_codes,
escape_c0);
linelen = strlen(line);
buf = xrealloc(buf, 1, len + linelen + 1);
memcpy(buf + len, line, linelen);
len += linelen;
gl = grid_peek_line(s->grid, i);
gl = grid_peek_line(gd, i);
if (!join_lines || !(gl->flags & GRID_LINE_WRAPPED))
buf[len++] = '\n';

6
tmux.1
View File

@ -1066,8 +1066,7 @@ By default, it uses the format
but a different format may be specified with
.Fl F .
.It Xo Ic capture-pane
.Op Fl e
.Op Fl p
.Op Fl aep
.Op Fl b Ar buffer-index
.Op Fl E Ar end-line
.Op Fl S Ar start-line
@ -1081,6 +1080,9 @@ is given, the output goes to stdout, otherwise to the buffer specified with
.Fl b
or a new buffer if omitted.
If
.Fl a
is given, the alternate screen is used, and the history is not accessible.
If
.Fl e
is given, the output includes escape sequences for text and background
attributes.