I think this should go in session.c.
On Sun, Apr 22, 2012 at 02:46:53PM +0100, Thomas Adam wrote:
> This is responsible for reassigning new index numbers to the winlinks in a
> given session.
> ---
> trunk/tmux.h | 2 ++
> trunk/window.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 47 insertions(+)
>
> diff --git a/trunk/tmux.h b/trunk/tmux.h
> index 23352d6..7f21754 100644
> --- a/trunk/tmux.h
> +++ b/trunk/tmux.h
> @@ -1995,6 +1995,8 @@ int window_pane_visible(struct window_pane
> *);
> char *window_pane_search(
> struct window_pane *, const char *, u_int *);
> char *window_printable_flags(struct session *, struct winlink *);
> +int window_renumber_windows(struct session *);
> +
> struct window_pane *window_pane_find_up(struct window_pane *);
> struct window_pane *window_pane_find_down(struct window_pane *);
> struct window_pane *window_pane_find_left(struct window_pane *);
> diff --git a/trunk/window.c b/trunk/window.c
> index fac56dc..445a02f 100644
> --- a/trunk/window.c
> +++ b/trunk/window.c
> @@ -1173,3 +1173,48 @@ window_pane_find_right(struct window_pane *wp)
> }
> return (NULL);
> }
> +
> +/* Renumber the windows across winlinks attached to a specific session. */
> +int
> +window_renumber_windows(struct session *s)
> +{
> + struct winlink *wl, *wl_new;
> + struct winlinks old_wins;
> + struct winlink_stack old_lastw;
> + int new_idx = 0, new_curw_idx = 0;
> +
> + if (s == NULL)
> + return (-1);
> +
> + memcpy(&old_wins, &s->windows, sizeof old_wins);
> + RB_INIT(&s->windows);
> +
> + /* Start renumbering from the base-index if it's set. */
> + new_idx = options_get_number(&s->options, "base-index");
> +
> + /* Go through the winlinks and assign new indexes. */
> + RB_FOREACH(wl, winlinks, &old_wins) {
> + wl_new = winlink_add(&s->windows, new_idx);
> + winlink_set_window(wl_new, wl->window);
> + wl_new->flags |= wl->flags & WINLINK_ALERTFLAGS;
> +
> + if (wl == s->curw)
> + new_curw_idx = wl_new->idx;
> +
> + new_idx++;
> + }
> +
> + /* Fix the stack of last windows now that the IDs have changed. */
> + memcpy(&old_lastw, &s->lastw, sizeof old_lastw);
> + TAILQ_INIT(&s->lastw);
> + TAILQ_FOREACH(wl, &old_lastw, sentry) {
> + wl_new = winlink_find_by_index(&s->windows, wl->idx);
> + if (wl_new != NULL)
> + TAILQ_INSERT_TAIL(&s->lastw, wl_new, sentry);
> + }
> +
> + /* Set the current window per the new id. */
> + s->curw = winlink_find_by_index(&s->windows, new_curw_idx);
> +
> + return (0);
> +}
> --
> 1.7.10
>
>
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