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Merge pane number into the target specification for pane commands. Instead of

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using -p index, a target pane is now addressed with the normal -t window form
but suffixed with a period and a pane index, for example :0.2 or
mysess:mywin.1. An unadorned number such as -t 1 is tried as a pane index in
the current window, if that fails the same rules are followed as for a target
window and the current pane in that window used.

As a side-effect this now means that swap-pane can swap panes between different
windows.

Note that this changes the syntax of the break-pane, clear-history, kill-pane,
resize-pane, select-pane and swap-pane commands.
This commit is contained in:
Nicholas Marriott
2009-07-30 13:45:56 +00:00
parent a87228b4ff
commit 071494d8fa
10 changed files with 233 additions and 411 deletions
Download Patch File Download Diff File Expand all files Collapse all files

85
cmd.c
View File

@@ -771,3 +771,88 @@ not_found:
xfree(sessptr);
return (-2);
}
/*
* Find the target session, window and pane number or report an error and
* return NULL. The pane number is separated from the session:window by a .,
* such as mysession:mywindow.0.
*/
struct winlink *
cmd_find_pane(struct cmd_ctx *ctx,
const char *arg, struct session **sp, struct window_pane **wpp)
{
struct session *s;
struct winlink *wl;
const char *period;
char *winptr, *paneptr;
const char *errstr;
u_int idx;
/* Get the current session. */
if ((s = cmd_current_session(ctx)) == NULL) {
ctx->error(ctx, "can't establish current session");
return (NULL);
}
if (sp != NULL)
*sp = s;
/* A NULL argument means the current session, window and pane. */
if (arg == NULL) {
*wpp = s->curw->window->active;
return (s->curw);
}
/* Look for a separating period. */
if ((period = strrchr(arg, '.')) == NULL)
goto no_period;
/* Pull out the window part and parse it. */
winptr = xstrdup(arg);
winptr[period - arg] = '\0';
if (*winptr == '\0')
wl = s->curw;
else if ((wl = cmd_find_window(ctx, winptr, sp)) == NULL)
goto error;
/* Find the pane section and look it up. */
paneptr = winptr + (period - arg) + 1;
if (*paneptr == '\0')
*wpp = wl->window->active;
else {
idx = strtonum(paneptr, 0, INT_MAX, &errstr);
if (errstr != NULL) {
ctx->error(ctx, "pane %s: %s", errstr, paneptr);
goto error;
}
*wpp = window_pane_at_index(wl->window, idx);
if (*wpp == NULL) {
ctx->error(ctx, "no such pane: %u", idx);
goto error;
}
}
xfree(winptr);
return (wl);
no_period:
/* Try as a pane number alone. */
idx = strtonum(arg, 0, INT_MAX, &errstr);
if (errstr != NULL)
goto lookup_window;
/* Try index in the current session and window. */
if ((*wpp = window_pane_at_index(s->curw->window, idx)) == NULL)
goto lookup_window;
return (s->curw);
lookup_window:
/* Try as a window and use the active pane. */
if ((wl = cmd_find_window(ctx, arg, sp)) != NULL)
*wpp = wl->window->active;
return (wl);
error:
xfree(winptr);
return (NULL);
}