diff --git a/cmd-resize-pane.c b/cmd-resize-pane.c index 28b52ea1..d39bbb70 100644 --- a/cmd-resize-pane.c +++ b/cmd-resize-pane.c @@ -103,6 +103,7 @@ cmd_resize_pane_exec(struct cmd *self, struct cmd_ctx *ctx) } } + layout_list_add(wp->window); if (args_has(self->args, 'L')) layout_resize_pane(wp, LAYOUT_LEFTRIGHT, -adjust); else if (args_has(self->args, 'R')) diff --git a/cmd-select-layout.c b/cmd-select-layout.c index 0ae63b8a..658f3309 100644 --- a/cmd-select-layout.c +++ b/cmd-select-layout.c @@ -29,8 +29,8 @@ int cmd_select_layout_exec(struct cmd *, struct cmd_ctx *); const struct cmd_entry cmd_select_layout_entry = { "select-layout", "selectl", - "npt:", 0, 1, - "[-np] " CMD_TARGET_WINDOW_USAGE " [layout-name]", + "nprut:", 0, 1, + "[-npUu] " CMD_TARGET_WINDOW_USAGE " [layout-name]", 0, cmd_select_layout_key_binding, NULL, @@ -76,6 +76,14 @@ cmd_select_layout_key_binding(struct cmd *self, int key) case '5' | KEYC_ESCAPE: self->args = args_create(1, "tiled"); break; + case 'u': + self->args = args_create(0); + args_set(self->args, 'u', NULL); + break; + case 'U': + self->args = args_create(0); + args_set(self->args, 'U', NULL); + break; default: self->args = args_create(0); break; @@ -87,11 +95,13 @@ cmd_select_layout_exec(struct cmd *self, struct cmd_ctx *ctx) { struct args *args = self->args; struct winlink *wl; + struct window *w; const char *layoutname; int next, previous, layout; if ((wl = cmd_find_window(ctx, args_get(args, 't'), NULL)) == NULL) return (-1); + w = wl->window; next = self->entry == &cmd_next_layout_entry; if (args_has(self->args, 'n')) @@ -100,6 +110,21 @@ cmd_select_layout_exec(struct cmd *self, struct cmd_ctx *ctx) if (args_has(self->args, 'p')) previous = 1; + layout_list_add(w); + if (args_has(self->args, 'U')) { + if ((layoutname = layout_list_redo(w)) == NULL) { + ctx->error(ctx, "no more layout history"); + return (-1); + } + goto set_layout; + } else if (args_has(self->args, 'u')) { + if ((layoutname = layout_list_undo(w)) == NULL) { + ctx->error(ctx, "no more layout history"); + return (-1); + } + goto set_layout; + } + if (next || previous) { if (next) layout = layout_set_next(wl->window); @@ -121,16 +146,16 @@ cmd_select_layout_exec(struct cmd *self, struct cmd_ctx *ctx) return (0); } - if (args->argc != 0) { - layoutname = args->argv[0]; - if (layout_parse(wl->window, layoutname) == -1) { - ctx->error(ctx, "can't set layout: %s", layoutname); - return (-1); - } - server_redraw_window(wl->window); - ctx->info(ctx, "arranging in: %s", layoutname); + if (args->argc == 0) return (0); - } + layoutname = args->argv[0]; +set_layout: + if (layout_parse(wl->window, layoutname) == -1) { + ctx->error(ctx, "can't set layout: %s", layoutname); + return (-1); + } + server_redraw_window(wl->window); + ctx->info(ctx, "arranging in: %s", layoutname); return (0); } diff --git a/key-bindings.c b/key-bindings.c index 76439f7d..8df6046c 100644 --- a/key-bindings.c +++ b/key-bindings.c @@ -130,6 +130,7 @@ key_bindings_init(void) { '?', 0, &cmd_list_keys_entry }, { 'D', 0, &cmd_choose_client_entry }, { 'L', 0, &cmd_switch_client_entry }, + { 'U', 1, &cmd_select_layout_entry }, { '[', 0, &cmd_copy_mode_entry }, { '\'', 0, &cmd_command_prompt_entry }, { '\002', /* C-b */ 0, &cmd_send_prefix_entry }, @@ -148,6 +149,7 @@ key_bindings_init(void) { 'r', 0, &cmd_refresh_client_entry }, { 's', 0, &cmd_choose_session_entry }, { 't', 0, &cmd_clock_mode_entry }, + { 'u', 1, &cmd_select_layout_entry }, { 'w', 0, &cmd_choose_window_entry }, { 'x', 0, &cmd_confirm_before_entry }, { '{', 0, &cmd_swap_pane_entry }, diff --git a/layout.c b/layout.c index 82ec0676..00df57cd 100644 --- a/layout.c +++ b/layout.c @@ -19,6 +19,7 @@ #include #include +#include #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); +} diff --git a/options-table.c b/options-table.c index de00f3df..1eb50e45 100644 --- a/options-table.c +++ b/options-table.c @@ -504,6 +504,13 @@ const struct options_table_entry window_options_table[] = { .default_num = 0 }, + { .name = "layout-history-limit", + .type = OPTIONS_TABLE_NUMBER, + .minimum = 1, + .maximum = USHRT_MAX, + .default_num = 20 + }, + { .name = "main-pane-height", .type = OPTIONS_TABLE_NUMBER, .minimum = 1, diff --git a/tmux.1 b/tmux.1 index ed083923..29752680 100644 --- a/tmux.1 +++ b/tmux.1 @@ -1455,7 +1455,7 @@ lower) with .Fl U or downward (numerically higher). .It Xo Ic select-layout -.Op Fl np +.Op Fl npUu .Op Fl t Ar target-window .Op Ar layout-name .Xc @@ -1472,6 +1472,13 @@ are equivalent to the and .Ic previous-layout commands. +.Pp +.Fl U +and +.Fl u +step forward and back through previous layouts, up to the maximum set by the +.Ic layout-history-limit +option. .It Xo Ic select-pane .Op Fl lDLRU .Op Fl t Ar target-pane @@ -2513,6 +2520,13 @@ or .Ar height . A value of zero restores the default unlimited setting. .Pp +.It Ic layout-history-limit Ar limit +Set the number of previous layouts stored for recovery with +.Ic select-layout +.Fl U +and +.Fl u . +.Pp .It Ic main-pane-height Ar height .It Ic main-pane-width Ar width Set the width or height of the main (left or top) pane in the diff --git a/tmux.h b/tmux.h index 077200ae..d58166af 100644 --- a/tmux.h +++ b/tmux.h @@ -847,6 +847,13 @@ struct window_pane { TAILQ_HEAD(window_panes, window_pane); RB_HEAD(window_pane_tree, window_pane); +/* Window last layout. */ +struct last_layout { + char *layout; + + TAILQ_ENTRY(last_layout) entry; +}; + /* Window structure. */ struct window { u_int id; @@ -860,6 +867,9 @@ struct window { int lastlayout; struct layout_cell *layout_root; + TAILQ_HEAD(last_layouts, last_layout) layout_list; + u_int layout_list_size; + struct last_layout *layout_list_last; u_int sx; u_int sy; @@ -1994,7 +2004,8 @@ u_int layout_count_cells(struct layout_cell *); struct layout_cell *layout_create_cell(struct layout_cell *); void layout_free_cell(struct layout_cell *); void layout_print_cell(struct layout_cell *, const char *, u_int); -void layout_destroy_cell(struct layout_cell *, struct layout_cell **); +void layout_destroy_cell( + struct layout_cell *, struct layout_cell **); void layout_set_size( struct layout_cell *, u_int, u_int, u_int, u_int); void layout_make_leaf( @@ -2016,6 +2027,9 @@ void layout_assign_pane(struct layout_cell *, struct window_pane *); struct layout_cell *layout_split_pane( struct window_pane *, enum layout_type, int, int); void layout_close_pane(struct window_pane *); +void layout_list_add(struct window *); +const char *layout_list_redo(struct window *); +const char *layout_list_undo(struct window *); /* layout-custom.c */ char *layout_dump(struct window *); diff --git a/window.c b/window.c index 5e2cfa6f..c3ae6139 100644 --- a/window.c +++ b/window.c @@ -289,6 +289,7 @@ window_create1(u_int sx, u_int sy) w->lastlayout = -1; w->layout_root = NULL; + TAILQ_INIT(&w->layout_list); w->sx = sx; w->sy = sy;