diff options
Diffstat (limited to 'layout.c')
| -rw-r--r-- | layout.c | 72 |
1 files changed, 72 insertions, 0 deletions
@@ -19,6 +19,7 @@ #include <sys/types.h> #include <stdlib.h> +#include <string.h> #include "tmux.h" @@ -745,3 +746,74 @@ layout_close_pane(struct window_pane *wp) } notify_window_layout_changed(wp->window); } + +/* Add layout to list. */ +void +layout_list_add(struct window *w) +{ + struct last_layout *ll, *ll_last; + char *layout; + u_int limit; + + layout = layout_dump(w); + + ll_last = w->layout_list_last; + if (ll_last != NULL && strcmp(ll_last->layout, layout) == 0) { + free(layout); + return; + } + + ll = xmalloc(sizeof *ll); + ll->layout = layout; + if (ll_last == NULL) + TAILQ_INSERT_TAIL(&w->layout_list, ll, entry); + else + TAILQ_INSERT_AFTER(&w->layout_list, ll_last, ll, entry); + w->layout_list_size++; + w->layout_list_last = ll; + + limit = options_get_number(&w->options, "layout-history"); + while (w->layout_list_size > limit) { + ll = TAILQ_LAST(&w->layout_list, last_layouts); + if (ll == w->layout_list_last) + ll = TAILQ_FIRST(&w->layout_list); + + TAILQ_REMOVE(&w->layout_list, ll, entry); + w->layout_list_size--; + + xfree(ll->layout); + xfree(ll); + } +} + +/* Apply next layout from list. */ +const char * +layout_list_redo(struct window *w) +{ + struct last_layout *ll, *ll_last; + + ll_last = w->layout_list_last; + if (ll_last == NULL) + return (NULL); + ll = TAILQ_NEXT(ll_last, entry); + if (ll == NULL) + return (NULL); + w->layout_list_last = ll; + return (ll->layout); +} + +/* Apply previous layout from list. */ +const char * +layout_list_undo(struct window *w) +{ + struct last_layout *ll, *ll_last; + + ll_last = w->layout_list_last; + if (ll_last == NULL) + return (NULL); + ll = TAILQ_PREV(ll_last, last_layouts, entry); + if (ll == NULL) + return (NULL); + w->layout_list_last = ll; + return (ll->layout); +} |