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Allow a start and end line to be specified for capture-pane which may be

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negative to capture part of the history. Prompted by request from Victor
J Orlikowski.
This commit is contained in:
Nicholas Marriott
2011-03-28 20:17:39 +00:00
parent fa6abac98d
commit 82e0165c49
2 changed files with 43 additions and 6 deletions
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40
cmd-capture-pane.c
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@ -31,8 +31,8 @@ int cmd_capture_pane_exec(struct cmd *, struct cmd_ctx *);
const struct cmd_entry cmd_capture_pane_entry = {
"capture-pane", "capturep",
"b:t:", 0, 0,
"[-b buffer-index] [-t target-pane]",
"b:E:S:t:", 0, 0,
"[-b buffer-index] [-E end-line] [-S start-line] [-t target-pane]",
0,
NULL,
NULL,
@ -46,19 +46,47 @@ cmd_capture_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
struct window_pane *wp;
char *buf, *line, *cause;
struct screen *s;
int buffer;
u_int i, limit;
struct grid *gd;
int buffer, n;
u_int i, limit, top, bottom, tmp;
size_t len, linelen;
if (cmd_find_pane(ctx, args_get(args, 't'), NULL, &wp) == NULL)
return (-1);
s = &wp->base;
gd = s->grid;
buf = NULL;
len = 0;
for (i = 0; i < screen_size_y(s); i++) {
line = grid_view_string_cells(s->grid, 0, i, screen_size_x(s));
n = args_strtonum(args, 'S', SHRT_MIN, SHRT_MAX, &cause);
if (cause != NULL)
top = gd->hsize;
else if (n < 0 && (u_int) -n > gd->hsize)
top = 0;
else
top = gd->hsize + n;
if (top > gd->hsize + gd->sy - 1)
top = gd->hsize + gd->sy - 1;
n = args_strtonum(args, 'E', SHRT_MIN, SHRT_MAX, &cause);
if (cause != NULL)
bottom = gd->hsize + gd->sy - 1;
else if (n < 0 && (u_int) -n > gd->hsize)
bottom = 0;
else
bottom = gd->hsize + n;
if (bottom > gd->hsize + gd->sy - 1)
bottom = gd->hsize + gd->sy - 1;
if (bottom < top) {
tmp = bottom;
bottom = top;
top = tmp;
}
for (i = top; i <= bottom; i++) {
line = grid_string_cells(s->grid, 0, i, screen_size_x(s));
linelen = strlen(line);
buf = xrealloc(buf, 1, len + linelen + 1);