From 1d1208e335644ee10ebe47363b2ca8db45bf9142 Mon Sep 17 00:00:00 2001 From: nicm Date: Sat, 25 Apr 2015 18:49:01 +0000 Subject: Fix some char* -> char *. --- cfg.c | 18 +++++++++--------- key-bindings.c | 4 ++-- 2 files changed, 11 insertions(+), 11 deletions(-) diff --git a/cfg.c b/cfg.c index 54ba7f73..bacec996 100644 --- a/cfg.c +++ b/cfg.c @@ -27,12 +27,12 @@ #include "tmux.h" -struct cmd_q *cfg_cmd_q; -int cfg_finished; -int cfg_references; -char** cfg_causes; -u_int cfg_ncauses; -struct client *cfg_client; +struct cmd_q *cfg_cmd_q; +int cfg_finished; +int cfg_references; +char **cfg_causes; +u_int cfg_ncauses; +struct client *cfg_client; int load_cfg(const char *path, struct cmd_q *cmdq, char **cause) @@ -114,10 +114,10 @@ cfg_default_done(unused struct cmd_q *cmdq) } void -cfg_add_cause(const char* fmt, ...) +cfg_add_cause(const char *fmt, ...) { - va_list ap; - char* msg; + va_list ap; + char *msg; va_start(ap, fmt); xvasprintf(&msg, fmt, ap); diff --git a/key-bindings.c b/key-bindings.c index 670300a7..d56428b1 100644 --- a/key-bindings.c +++ b/key-bindings.c @@ -144,7 +144,7 @@ key_bindings_remove_table(const char *name) void key_bindings_init(void) { - static const char* defaults[] = { + static const char *defaults[] = { "bind C-b send-prefix", "bind C-o rotate-window", "bind C-z suspend-client", @@ -225,7 +225,7 @@ key_bindings_init(void) }; u_int i; struct cmd_list *cmdlist; - char* cause; + char *cause; int error; struct cmd_q *cmdq; -- cgit From 05e7fbd60fcd1f5c82049dc2f416e7dd42577cfd Mon Sep 17 00:00:00 2001 From: nicm Date: Sat, 25 Apr 2015 18:56:05 +0000 Subject: Get rid of window_choose_list type. --- window.c | 92 +++++++++++++++++++++++++++++++++++----------------------------- 1 file changed, 51 insertions(+), 41 deletions(-) diff --git a/window.c b/window.c index c60404d0..31f20a1c 100644 --- a/window.c +++ b/window.c @@ -49,8 +49,6 @@ * it reaches zero. */ -ARRAY_DECL(window_pane_list, struct window_pane *); - /* Global window list. */ struct windows windows; @@ -64,7 +62,7 @@ void window_pane_timer_callback(int, short, void *); void window_pane_read_callback(struct bufferevent *, void *); void window_pane_error_callback(struct bufferevent *, short, void *); -struct window_pane *window_pane_choose_best(struct window_pane_list *); +struct window_pane *window_pane_choose_best(struct window_pane **, u_int); RB_GENERATE(windows, window, entry, window_cmp); @@ -256,7 +254,7 @@ winlink_stack_remove(struct winlink_stack *stack, struct winlink *wl) } struct window * -window_find_by_id_str(const char* s) +window_find_by_id_str(const char *s) { const char *errstr; u_int id; @@ -1149,17 +1147,17 @@ window_pane_search(struct window_pane *wp, const char *searchstr, /* Get MRU pane from a list. */ struct window_pane * -window_pane_choose_best(struct window_pane_list *list) +window_pane_choose_best(struct window_pane **list, u_int size) { struct window_pane *next, *best; u_int i; - if (ARRAY_LENGTH(list) == 0) + if (size == 0) return (NULL); - best = ARRAY_FIRST(list); - for (i = 1; i < ARRAY_LENGTH(list); i++) { - next = ARRAY_ITEM(list, i); + best = list[0]; + for (i = 1; i < size; i++) { + next = list[i]; if (next->active_point > best->active_point) best = next; } @@ -1173,14 +1171,15 @@ window_pane_choose_best(struct window_pane_list *list) struct window_pane * window_pane_find_up(struct window_pane *wp) { - struct window_pane *next, *best; - u_int edge, left, right, end; - struct window_pane_list list; + struct window_pane *next, *best, **list; + u_int edge, left, right, end, size; int found; if (wp == NULL || !window_pane_visible(wp)) return (NULL); - ARRAY_INIT(&list); + + list = NULL; + size = 0; edge = wp->yoff; if (edge == 0) @@ -1203,12 +1202,14 @@ window_pane_find_up(struct window_pane *wp) found = 1; else if (end >= left && end <= right) found = 1; - if (found) - ARRAY_ADD(&list, next); + if (!found) + continue; + list = xreallocarray(list, size + 1, sizeof *list); + list[size++] = next; } - best = window_pane_choose_best(&list); - ARRAY_FREE(&list); + best = window_pane_choose_best(list, size); + free(list); return (best); } @@ -1216,14 +1217,15 @@ window_pane_find_up(struct window_pane *wp) struct window_pane * window_pane_find_down(struct window_pane *wp) { - struct window_pane *next, *best; - u_int edge, left, right, end; - struct window_pane_list list; + struct window_pane *next, *best, **list; + u_int edge, left, right, end, size; int found; if (wp == NULL || !window_pane_visible(wp)) return (NULL); - ARRAY_INIT(&list); + + list = NULL; + size = 0; edge = wp->yoff + wp->sy + 1; if (edge >= wp->window->sy) @@ -1246,12 +1248,14 @@ window_pane_find_down(struct window_pane *wp) found = 1; else if (end >= left && end <= right) found = 1; - if (found) - ARRAY_ADD(&list, next); + if (!found) + continue; + list = xreallocarray(list, size + 1, sizeof *list); + list[size++] = next; } - best = window_pane_choose_best(&list); - ARRAY_FREE(&list); + best = window_pane_choose_best(list, size); + free(list); return (best); } @@ -1259,14 +1263,15 @@ window_pane_find_down(struct window_pane *wp) struct window_pane * window_pane_find_left(struct window_pane *wp) { - struct window_pane *next, *best; - u_int edge, top, bottom, end; - struct window_pane_list list; + struct window_pane *next, *best, **list; + u_int edge, top, bottom, end, size; int found; if (wp == NULL || !window_pane_visible(wp)) return (NULL); - ARRAY_INIT(&list); + + list = NULL; + size = 0; edge = wp->xoff; if (edge == 0) @@ -1289,12 +1294,14 @@ window_pane_find_left(struct window_pane *wp) found = 1; else if (end >= top && end <= bottom) found = 1; - if (found) - ARRAY_ADD(&list, next); + if (!found) + continue; + list = xreallocarray(list, size + 1, sizeof *list); + list[size++] = next; } - best = window_pane_choose_best(&list); - ARRAY_FREE(&list); + best = window_pane_choose_best(list, size); + free(list); return (best); } @@ -1302,14 +1309,15 @@ window_pane_find_left(struct window_pane *wp) struct window_pane * window_pane_find_right(struct window_pane *wp) { - struct window_pane *next, *best; - u_int edge, top, bottom, end; - struct window_pane_list list; + struct window_pane *next, *best, **list; + u_int edge, top, bottom, end, size; int found; if (wp == NULL || !window_pane_visible(wp)) return (NULL); - ARRAY_INIT(&list); + + list = NULL; + size = 0; edge = wp->xoff + wp->sx + 1; if (edge >= wp->window->sx) @@ -1332,12 +1340,14 @@ window_pane_find_right(struct window_pane *wp) found = 1; else if (end >= top && end <= bottom) found = 1; - if (found) - ARRAY_ADD(&list, next); + if (!found) + continue; + list = xreallocarray(list, size + 1, sizeof *list); + list[size++] = next; } - best = window_pane_choose_best(&list); - ARRAY_FREE(&list); + best = window_pane_choose_best(list, size); + free(list); return (best); } -- cgit From 5bd5c9c84e4bde3461a50f15e387c5e9fb78d7cb Mon Sep 17 00:00:00 2001 From: nicm Date: Sun, 26 Apr 2015 20:25:20 +0000 Subject: Remove panes from layout if spawning them fails, reported by Anthony J Bentley. --- cmd-split-window.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/cmd-split-window.c b/cmd-split-window.c index 680b1560..4e85a0f3 100644 --- a/cmd-split-window.c +++ b/cmd-split-window.c @@ -147,6 +147,7 @@ cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq) goto error; } new_wp = window_add_pane(w, hlimit); + layout_assign_pane(lc, new_wp); path = NULL; if (cmdq->client != NULL && cmdq->client->session == NULL) @@ -159,7 +160,6 @@ cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq) if (window_pane_spawn(new_wp, argc, argv, path, shell, cwd, &env, s->tio, &cause) != 0) goto error; - layout_assign_pane(lc, new_wp); server_redraw_window(w); @@ -194,8 +194,10 @@ cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq) error: environ_free(&env); - if (new_wp != NULL) + if (new_wp != NULL) { + layout_close_pane(new_wp); window_remove_pane(w, new_wp); + } cmdq_error(cmdq, "create pane failed: %s", cause); free(cause); if (fd != -1) -- cgit From a70762c9b50e9d9249fa9a56233c0df4129c82fc Mon Sep 17 00:00:00 2001 From: nicm Date: Mon, 27 Apr 2015 07:49:36 +0000 Subject: If the requested pane is already active, do not unzoom the window (or do anything else). Prevents mouse clicking when zoomed causing unzoom, reported by Jose Antonio Delgado Alfonso (with a different fix). --- cmd-select-pane.c | 24 +++++++++++++++--------- 1 file changed, 15 insertions(+), 9 deletions(-) diff --git a/cmd-select-pane.c b/cmd-select-pane.c index c84b4149..e7f2249e 100644 --- a/cmd-select-pane.c +++ b/cmd-select-pane.c @@ -77,12 +77,6 @@ cmd_select_pane_exec(struct cmd *self, struct cmd_q *cmdq) if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), NULL, &wp)) == NULL) return (CMD_RETURN_ERROR); - server_unzoom_window(wp->window); - if (!window_pane_visible(wp)) { - cmdq_error(cmdq, "pane not visible"); - return (CMD_RETURN_ERROR); - } - if (args_has(self->args, 'P') || args_has(self->args, 'g')) { if (args_has(args, 'P')) { style = args_get(args, 'P'); @@ -111,11 +105,23 @@ cmd_select_pane_exec(struct cmd *self, struct cmd_q *cmdq) return (CMD_RETURN_ERROR); } - if (args_has(self->args, 'e')) + if (args_has(self->args, 'e')) { wp->flags &= ~PANE_INPUTOFF; - else if (args_has(self->args, 'd')) + return (CMD_RETURN_NORMAL); + } + if (args_has(self->args, 'd')) { wp->flags |= PANE_INPUTOFF; - else if (window_set_active_pane(wl->window, wp)) { + return (CMD_RETURN_NORMAL); + } + + if (wp == wl->window->active) + return (CMD_RETURN_NORMAL); + server_unzoom_window(wp->window); + if (!window_pane_visible(wp)) { + cmdq_error(cmdq, "pane not visible"); + return (CMD_RETURN_ERROR); + } + if (window_set_active_pane(wl->window, wp)) { server_status_window(wl->window); server_redraw_window_borders(wl->window); } -- cgit From 95195f52584565483bf9850840f6d81cd88bf9b2 Mon Sep 17 00:00:00 2001 From: nicm Date: Mon, 27 Apr 2015 16:25:57 +0000 Subject: Rewrite of the target resolution internals to be simpler and more consistent but with much less duplication, but keeping the same internal API. Also adds more readable aliases for some of the special tokens used in targets (eg "{start}" instead of "^"). Some behaviours may have changed, for example prefix matches now happen before fnmatch. --- Makefile | 1 + cmd-choose-buffer.c | 2 +- cmd-choose-client.c | 2 +- cmd-choose-tree.c | 2 +- cmd-display-message.c | 2 +- cmd-find-window.c | 2 +- cmd-find.c | 1114 +++++++++++++++++++++++++++++++++++++++++++++++++ cmd-load-buffer.c | 2 +- cmd-new-session.c | 2 +- cmd-save-buffer.c | 2 +- cmd.c | 937 +---------------------------------------- tmux.1 | 184 ++++---- tmux.h | 25 +- 13 files changed, 1250 insertions(+), 1027 deletions(-) create mode 100644 cmd-find.c diff --git a/Makefile b/Makefile index a719eaf1..ac7e6e54 100644 --- a/Makefile +++ b/Makefile @@ -69,6 +69,7 @@ SRCS= arguments.c \ cmd-unbind-key.c \ cmd-wait-for.c \ cmd.c \ + cmd-find.c \ cmd-queue.c \ colour.c \ control.c \ diff --git a/cmd-choose-buffer.c b/cmd-choose-buffer.c index 33125a0e..af178976 100644 --- a/cmd-choose-buffer.c +++ b/cmd-choose-buffer.c @@ -53,7 +53,7 @@ cmd_choose_buffer_exec(struct cmd *self, struct cmd_q *cmdq) u_int idx; int utf8flag; - if ((c = cmd_current_client(cmdq)) == NULL) { + if ((c = cmd_find_client(cmdq, NULL, 1)) == NULL) { cmdq_error(cmdq, "no client available"); return (CMD_RETURN_ERROR); } diff --git a/cmd-choose-client.c b/cmd-choose-client.c index 49fe2a34..93ac28a8 100644 --- a/cmd-choose-client.c +++ b/cmd-choose-client.c @@ -61,7 +61,7 @@ cmd_choose_client_exec(struct cmd *self, struct cmd_q *cmdq) char *action; u_int idx, cur; - if ((c = cmd_current_client(cmdq)) == NULL) { + if ((c = cmd_find_client(cmdq, NULL, 1)) == NULL) { cmdq_error(cmdq, "no client available"); return (CMD_RETURN_ERROR); } diff --git a/cmd-choose-tree.c b/cmd-choose-tree.c index 823d0423..0b0fea6a 100644 --- a/cmd-choose-tree.c +++ b/cmd-choose-tree.c @@ -87,7 +87,7 @@ cmd_choose_tree_exec(struct cmd *self, struct cmd_q *cmdq) ses_template = win_template = NULL; ses_action = win_action = NULL; - if ((c = cmd_current_client(cmdq)) == NULL) { + if ((c = cmd_find_client(cmdq, NULL, 1)) == NULL) { cmdq_error(cmdq, "no client available"); return (CMD_RETURN_ERROR); } diff --git a/cmd-display-message.c b/cmd-display-message.c index 0a61fd1e..ee9eafe9 100644 --- a/cmd-display-message.c +++ b/cmd-display-message.c @@ -78,7 +78,7 @@ cmd_display_message_exec(struct cmd *self, struct cmd_q *cmdq) if (c == NULL) return (CMD_RETURN_ERROR); } else { - c = cmd_current_client(cmdq); + c = cmd_find_client(cmdq, NULL, 1); if (c == NULL && !args_has(self->args, 'p')) { cmdq_error(cmdq, "no client available"); return (CMD_RETURN_ERROR); diff --git a/cmd-find-window.c b/cmd-find-window.c index 25155f7b..64e092bf 100644 --- a/cmd-find-window.c +++ b/cmd-find-window.c @@ -143,7 +143,7 @@ cmd_find_window_exec(struct cmd *self, struct cmd_q *cmdq) const char *template; u_int i, match_flags; - if ((c = cmd_current_client(cmdq)) == NULL) { + if ((c = cmd_find_client(cmdq, NULL, 1)) == NULL) { cmdq_error(cmdq, "no client available"); return (CMD_RETURN_ERROR); } diff --git a/cmd-find.c b/cmd-find.c new file mode 100644 index 00000000..a71968a1 --- /dev/null +++ b/cmd-find.c @@ -0,0 +1,1114 @@ +/* $OpenBSD$ */ + +/* + * Copyright (c) 2015 Nicholas Marriott + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER + * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include + +#include +#include +#include +#include +#include + +#include "tmux.h" + +#define CMD_FIND_PREFER_UNATTACHED 0x1 +#define CMD_FIND_QUIET 0x2 +#define CMD_FIND_WINDOW_INDEX 0x4 + +enum cmd_find_type { + CMD_FIND_PANE, + CMD_FIND_WINDOW, + CMD_FIND_SESSION, +}; + +struct cmd_find_state { + struct cmd_q *cmdq; + int flags; + struct cmd_find_state *current; + + struct session *s; + struct winlink *wl; + struct window *w; + struct window_pane *wp; + int idx; +}; + +int cmd_find_client_better(struct client *, struct client *); +struct client *cmd_find_best_client(struct client **, u_int); +int cmd_find_session_better(struct session *, struct session *, + int); +struct session *cmd_find_best_session(struct session **, u_int, int); +int cmd_find_best_session_with_window(struct cmd_find_state *); +int cmd_find_best_winlink_with_window(struct cmd_find_state *); + +int cmd_find_current_session_with_client(struct cmd_find_state *); +int cmd_find_current_session(struct cmd_find_state *); +struct client *cmd_find_current_client(struct cmd_q *); + +const char *cmd_find_map_table(const char *[][2], const char *); + +int cmd_find_get_session(struct cmd_find_state *, const char *); +int cmd_find_get_window(struct cmd_find_state *, const char *); +int cmd_find_get_window_with_session(struct cmd_find_state *, const char *); +int cmd_find_get_window_with_pane(struct cmd_find_state *); +int cmd_find_get_pane(struct cmd_find_state *, const char *); +int cmd_find_get_pane_with_session(struct cmd_find_state *, const char *); +int cmd_find_get_pane_with_window(struct cmd_find_state *, const char *); + +void cmd_find_clear_state(struct cmd_find_state *, struct cmd_q *, int); +void cmd_find_log_state(const char *, const char *, struct cmd_find_state *); + +struct cmd_find_state *cmd_find_target(struct cmd_q *, const char *, + enum cmd_find_type, int); + +const char *cmd_find_session_table[][2] = { + { NULL, NULL } +}; +const char *cmd_find_window_table[][2] = { + { "{start}", "^" }, + { "{last}", "!" }, + { "{end}", "$" }, + { "{next}", "+" }, + { "{previous}", "-" }, + { NULL, NULL } +}; +const char *cmd_find_pane_table[][2] = { + { "{last}", "!" }, + { "{next}", "+" }, + { "{previous}", "-" }, + { "{top}", "top" }, + { "{bottom}", "bottom" }, + { "{left}", "left" }, + { "{right}", "right" }, + { "{top-left}", "top-left" }, + { "{top-right}", "top-right" }, + { "{bottom-left}", "bottom-left" }, + { "{bottom-right}", "bottom-right" }, + { "{up}", "{up}" }, + { "{down}", "{down}" }, + { "{left}", "{left}" }, + { "{right}", "{right}" }, + { NULL, NULL } +}; + +/* Is this client better? */ +int +cmd_find_client_better(struct client *c, struct client *than) +{ + if (than == NULL) + return (1); + return (timercmp(&c->activity_time, &than->activity_time, >)); +} + +/* Find best client from a list, or all if list is NULL. */ +struct client * +cmd_find_best_client(struct client **clist, u_int csize) +{ + struct client *c_loop, *c; + u_int i; + + c = NULL; + if (clist != NULL) { + for (i = 0; i < csize; i++) { + if (cmd_find_client_better(clist[i], c)) + c = clist[i]; + } + } else { + TAILQ_FOREACH(c_loop, &clients, entry) { + if (cmd_find_client_better(c_loop, c)) + c_loop = c; + } + } + return (c); +} + +/* Is this session better? */ +int +cmd_find_session_better(struct session *s, struct session *than, int flags) +{ + int attached; + + if (than == NULL) + return (1); + if (flags & CMD_FIND_PREFER_UNATTACHED) { + attached = (~than->flags & SESSION_UNATTACHED); + if (attached && (s->flags & SESSION_UNATTACHED)) + return (1); + else if (!attached && (~s->flags & SESSION_UNATTACHED)) + return (0); + } + return (timercmp(&s->activity_time, &than->activity_time, >)); +} + +/* Find best session from a list, or all if list is NULL. */ +struct session * +cmd_find_best_session(struct session **slist, u_int ssize, int flags) +{ + struct session *s_loop, *s; + u_int i; + + s = NULL; + if (slist != NULL) { + for (i = 0; i < ssize; i++) { + if (cmd_find_session_better(slist[i], s, flags)) + s = slist[i]; + } + } else { + RB_FOREACH(s_loop, sessions, &sessions) { + if (cmd_find_session_better(s_loop, s, flags)) + s = s_loop; + } + } + return (s); +} + +/* Find best session and winlink for window. */ +int +cmd_find_best_session_with_window(struct cmd_find_state *fs) +{ + struct session **slist = NULL; + u_int ssize; + struct session *s; + + ssize = 0; + RB_FOREACH(s, sessions, &sessions) { + if (!session_has(s, fs->w)) + continue; + slist = xreallocarray (slist, ssize + 1, sizeof *slist); + slist[ssize++] = s; + } + if (ssize == 0) + goto fail; + fs->s = cmd_find_best_session(slist, ssize, fs->flags); + if (fs->s == NULL) + goto fail; + free (slist); + return (cmd_find_best_winlink_with_window(fs)); + +fail: + free(slist); + return (-1); +} + +/* + * Find the best winlink for a window (the current if it contains the pane, + * otherwise the first). + */ +int +cmd_find_best_winlink_with_window(struct cmd_find_state *fs) +{ + struct winlink *wl, *wl_loop; + + wl = NULL; + if (fs->s->curw->window == fs->w) + wl = fs->s->curw; + else { + RB_FOREACH(wl_loop, winlinks, &fs->s->windows) { + if (wl_loop->window == fs->w) { + wl = wl_loop; + break; + } + } + } + if (wl == NULL) + return (-1); + fs->wl = wl; + fs->idx = fs->wl->idx; + return (0); +} + +/* Find current session when we have an unattached client. */ +int +cmd_find_current_session_with_client(struct cmd_find_state *fs) +{ + struct window_pane *wp; + + /* If this is running in a pane, that's great. */ + RB_FOREACH(wp, window_pane_tree, &all_window_panes) { + if (strcmp(wp->tty, fs->cmdq->client->tty.path) == 0) + break; + } + + /* Not running in a pane. We know nothing. Find the best session. */ + if (wp == NULL) { + fs->s = cmd_find_best_session(NULL, 0, fs->flags); + if (fs->s == NULL) + return (-1); + fs->wl = fs->s->curw; + fs->idx = fs->wl->idx; + fs->w = fs->wl->window; + fs->wp = fs->w->active; + return (0); + } + + /* We now know the window and pane. */ + fs->w = wp->window; + fs->wp = wp; + + /* Find the best session and winlink. */ + if (cmd_find_best_session_with_window(fs) != 0) + return (-1); + return (0); +} + +/* + * Work out the best current state. If this function succeeds, the state is + * guaranteed to be completely filled in. + */ +int +cmd_find_current_session(struct cmd_find_state *fs) +{ + /* If we know the current client, use it. */ + if (fs->cmdq->client != NULL) { + if (fs->cmdq->client->session == NULL) + return (cmd_find_current_session_with_client(fs)); + fs->s = fs->cmdq->client->session; + fs->wl = fs->s->curw; + fs->idx = fs->wl->idx; + fs->w = fs->wl->window; + fs->wp = fs->w->active; + return (0); + } + + /* We know nothing, find the best session and client. */ + fs->s = cmd_find_best_session(NULL, 0, fs->flags); + if (fs->s == NULL) + return (-1); + fs->wl = fs->s->curw; + fs->idx = fs->wl->idx; + fs->w = fs->wl->window; + fs->wp = fs->w->active; + + return (0); +} + +/* Work out the best current client. */ +struct client * +cmd_find_current_client(struct cmd_q *cmdq) +{ + struct cmd_find_state current; + struct session *s; + struct client *c, **clist = NULL; + u_int csize; + + /* If the queue client has a session, use it. */ + if (cmdq->client != NULL && cmdq->client->session != NULL) + return (cmdq->client); + + /* Otherwise find the current session. */ + cmd_find_clear_state(¤t, cmdq, 0); + if (cmd_find_current_session(¤t) != 0) + return (NULL); + + /* If it is attached, find the best of it's clients. */ + s = current.s; + if (~s->flags & SESSION_UNATTACHED) { + csize = 0; + TAILQ_FOREACH(c, &clients, entry) { + if (c->session != s) + continue; + clist = xreallocarray (clist, csize + 1, sizeof *clist); + clist[csize++] = c; + } + if (csize != 0) { + c = cmd_find_best_client(clist, csize); + if (c != NULL) { + free(clist); + return (c); + } + } + free(clist); + } + + /* Otherwise pick best of all clients. */ + return (cmd_find_best_client(NULL, 0)); +} + +/* Maps string in table. */ +const char * +cmd_find_map_table(const char *table[][2], const char *s) +{ + u_int i; + + for (i = 0; table[i][0] != NULL; i++) { + if (strcmp(s, table[i][0]) == 0) + return (table[i][1]); + } + return (s); +} + +/* Find session from string. Fills in s. */ +int +cmd_find_get_session(struct cmd_find_state *fs, const char *session) +{ + struct session *s, *s_loop; + + log_debug("%s: %s", __func__, session); + + /* Check for session ids starting with $. */ + if (*session == '$') { + fs->s = session_find_by_id_str(session); + if (fs->s == NULL) + return (-1); + return (0); + } + + /* Look for exactly this session. */ + fs->s = session_find(session); + if (fs->s != NULL) + return (0); + + /* Otherwise look for prefix. */ + s = NULL; + RB_FOREACH(s_loop, sessions, &sessions) { + if (strncmp(session, s_loop->name, strlen(session)) == 0) { + if (s != NULL) + return (-1); + s = s_loop; + } + } + if (s != NULL) { + fs->s = s; + return (0); + } + + /* Then as a pattern. */ + s = NULL; + RB_FOREACH(s_loop, sessions, &sessions) { + if (fnmatch(session, s_loop->name, 0) == 0) { + if (s != NULL) + return (-1); + s = s_loop; + } + } + if (s != NULL) { + fs->s = s; + return (0); + } + + return (-1); +} + +/* Find window from string. Fills in s, wl, w. */ +int +cmd_find_get_window(struct cmd_find_state *fs, const char *window) +{ + log_debug("%s: %s", __func__, window); + + /* Check for window ids starting with @. */ + if (*window == '@') { + fs->w = window_find_by_id_str(window); + if (fs->w == NULL) + return (-1); + return (cmd_find_best_session_with_window(fs)); + } + + /* Not a window id, so use the current session. */ + fs->s = fs->current->s; + + /* We now only need to find the winlink in this session. */ + return (cmd_find_get_window_with_session(fs, window)); +} + +/* + * Find window from string, assuming it is in given session. Needs s, fills in + * wl and w. + */ +int +cmd_find_get_window_with_session(struct cmd_find_state *fs, const char *window) +{ + struct winlink *wl; + const char *errstr; + int idx, n; + struct session *s; + + log_debug("%s: %s", __func__, window); + + /* Check for window ids starting with @. */ + if (*window == '@') { + fs->w = window_find_by_id_str(window); + if (fs->w == NULL || !session_has(fs->s, fs->w)) + return (-1); + return (cmd_find_best_winlink_with_window(fs)); + } + + /* Try as an offset. */ + if (window[0] == '+' || window[0] == '-') { + if (window[1] != '\0') + n = strtonum(window + 1, 1, INT_MAX, NULL); + else + n = 1; + s = fs->s; + if (fs->flags & CMD_FIND_WINDOW_INDEX) { + if (window[0] == '+') { + if (INT_MAX - s->curw->idx < n) + return (-1); + fs->idx = s->curw->idx + n; + } else { + if (n < s->curw->idx) + return (-1); + fs->idx = s->curw->idx - n; + } + return (0); + } + if (window[0] == '+') + fs->wl = winlink_next_by_number(s->curw, s, n); + else + fs->wl = winlink_previous_by_number(s->curw, s, n); + if (fs->wl != NULL) { + fs->idx = fs->wl->idx; + fs->w = fs->wl->window; + return (0); + } + } + + /* Try special characters. */ + if (strcmp(window, "!") == 0) { + fs->wl = TAILQ_FIRST(&fs->s->lastw); + if (fs->wl == NULL) + return (-1); + fs->idx = fs->wl->idx; + fs->w = fs->wl->window; + return (0); + } else if (strcmp(window, "^") == 0) { + fs->wl = RB_MIN(winlinks, &fs->s->windows); + if (fs->wl == NULL) + return (-1); + fs->idx = fs->wl->idx; + fs->w = fs->wl->window; + return (0); + } else if (strcmp(window, "$") == 0) { + fs->wl = RB_MAX(winlinks, &fs->s->windows); + if (fs->wl == NULL) + return (-1); + fs->idx = fs->wl->idx; + fs->w = fs->wl->window; + return (0); + } + + /* First see if this is a valid window index in this session. */ + idx = strtonum(window, 0, INT_MAX, &errstr); + if (errstr == NULL) { + if (fs->flags & CMD_FIND_WINDOW_INDEX) { + fs->idx = idx; + return (0); + } + fs->wl = winlink_find_by_index(&fs->s->windows, idx); + if (fs->wl != NULL) { + fs->w = fs->wl->window; + return (0); + } + } + + /* Look for exact matches, error if more than one. */ + fs->wl = NULL; + RB_FOREACH(wl, winlinks, &fs->s->windows) { + if (strcmp(window, wl->window->name) == 0) { + if (fs->wl != NULL) + return (-1); + fs->wl = wl; + } + } + if (fs->wl != NULL) { + fs->idx = fs->wl->idx; + fs->w = fs->wl->window; + return (0); + } + + /* Try as the start of a window name, error if multiple. */ + fs->wl = NULL; + RB_FOREACH(wl, winlinks, &fs->s->windows) { + if (strncmp(window, wl->window->name, strlen(window)) == 0) { + if (fs->wl != NULL) + return (-1); + fs->wl = wl; + } + } + if (fs->wl != NULL) { + fs->idx = fs->wl->idx; + fs->w = fs->wl->window; + return (0); + } + + /* Now look for pattern matches, again error if multiple. */ + fs->wl = NULL; + RB_FOREACH(wl, winlinks, &fs->s->windows) { + if (fnmatch(window, wl->window->name, 0) == 0) { + if (fs->wl != NULL) + return (-1); + fs->wl = wl; + } + } + if (fs->wl != NULL) { + fs->idx = fs->wl->idx; + fs->w = fs->wl->window; + return (0); + } + + return (-1); +} + +/* Find window from given pane. Needs wp, fills in s and wl and w. */ +int +cmd_find_get_window_with_pane(struct cmd_find_state *fs) +{ + log_debug("%s", __func__); + + fs->w = fs->wp->window; + return (cmd_find_best_session_with_window(fs)); +} + +/* Find pane from string. Fills in s, wl, w, wp. */ +int +cmd_find_get_pane(struct cmd_find_state *fs, const char *pane) +{ + log_debug("%s: %s", __func__, pane); + + /* Check for pane ids starting with %. */ + if (*pane == '%') { + fs->wp = window_pane_find_by_id_str(pane); + if (fs->wp == NULL) + return (-1); + fs->w = fs->wp->window; + return (cmd_find_best_session_with_window(fs)); + } + + /* Not a pane id, so use the current session and window. */ + fs->s = fs->current->s; + fs->wl = fs->current->wl; + fs->idx = fs->current->idx; + fs->w = fs->current->w; + + /* We now only need to find the pane in this window. */ + return (cmd_find_get_pane_with_window(fs, pane)); +} + +/* + * Find pane from string, assuming it is in given session. Needs s, fills in wl + * and w and wp. + */ +int +cmd_find_get_pane_with_session(struct cmd_find_state *fs, const char *pane) +{ + log_debug("%s: %s", __func__, pane); + + /* Check for pane ids starting with %. */ + if (*pane == '%') { + fs->wp = window_pane_find_by_id_str(pane); + if (fs->wp == NULL) + return (-1); + fs->w = fs->wp->window; + return (cmd_find_best_winlink_with_window(fs)); + } + + /* Otherwise use the current window. */ + fs->wl = fs->s->curw; + fs->idx = fs->wl->idx; + fs->w = fs->wl->window; + + /* Now we just need to look up the pane. */ + return (cmd_find_get_pane_with_window(fs, pane)); +} + +/* + * Find pane from string, assuming it is in the given window. Needs w, fills in + * wp. + */ +int +cmd_find_get_pane_with_window(struct cmd_find_state *fs, const char *pane) +{ + const char *errstr; + int idx; + struct window_pane *wp; + u_int n; + + log_debug("%s: %s", __func__, pane); + + /* Check for pane ids starting with %. */ + if (*pane == '%') { + fs->wp = window_pane_find_by_id_str(pane); + if (fs->wp == NULL || fs->wp->window != fs->w) + return (-1); + return (0); + } + + /* Try special characters. */ + if (strcmp(pane, "!") == 0) { + if (fs->w->last == NULL) + return (-1); + fs->wp = fs->w->last; + return (0); + } else if (strcmp(pane, "{up}") == 0) { + fs->wp = window_pane_find_up(fs->w->active); + if (fs->wp == NULL) + return (-1); + return (0); + } else if (strcmp(pane, "{down}") == 0) { + fs->wp = window_pane_find_down(fs->w->active); + if (fs->wp == NULL) + return (-1); + return (0); + } else if (strcmp(pane, "{left}") == 0) { + fs->wp = window_pane_find_left(fs->w->active); + if (fs->wp == NULL) + return (-1); + return (0); + } else if (strcmp(pane, "{right}") == 0) { + fs->wp = window_pane_find_right(fs->w->active); + if (fs->wp == NULL) + return (-1); + return (0); + } + + /* Try as an offset. */ + if (pane[0] == '+' || pane[0] == '-') { + if (pane[1] != '\0') + n = strtonum(pane + 1, 1, INT_MAX, NULL); + else + n = 1; + wp = fs->w->active; + if (pane[0] == '+') + fs->wp = window_pane_next_by_number(fs->w, wp, n); + else + fs->wp = window_pane_previous_by_number(fs->w, wp, n); + if (fs->wp != NULL) + return (0); + } + + /* Get pane by index. */ + idx = strtonum(pane, 0, INT_MAX, &errstr); + if (errstr == NULL) { + fs->wp = window_pane_at_index(fs->w, idx); + if (fs->wp != NULL) + return (0); + } + + /* Try as a description. */ + fs->wp = window_find_string(fs->w, pane); + if (fs->wp != NULL) + return (0); + + return (-1); +} + +/* Clear state. */ +void +cmd_find_clear_state(struct cmd_find_state *fs, struct cmd_q *cmdq, int flags) +{ + memset (fs, 0, sizeof *fs); + + fs->cmdq = cmdq; + fs->flags = flags; + + fs->idx = -1; +} + +/* Split target into pieces and resolve for the given type. */ +struct cmd_find_state * +cmd_find_target(struct cmd_q *cmdq, const char *target, enum cmd_find_type type, + int flags) +{ + static struct cmd_find_state fs, current; + struct mouse_event *m; + char *colon, *period, *copy = NULL; + const char *session, *window, *pane; + + /* Find current state. */ + cmd_find_clear_state(¤t, cmdq, flags); + if (cmd_find_current_session(¤t) != 0) { + if (~flags & CMD_FIND_QUIET) + cmdq_error(cmdq, "no current session"); + goto error; + } + + /* Clear new state. */ + cmd_find_clear_state(&fs, cmdq, flags); + fs.current = ¤t; + + /* An empty or NULL target is the current. */ + if (target == NULL || *target == '\0') + goto current; + + /* Mouse target is a plain = or {mouse}. */ + if (strcmp(target, "=") == 0 || strcmp(target, "{mouse}") == 0) { + m = &cmdq->item->mouse; + switch (type) { + case CMD_FIND_PANE: + fs.wp = cmd_mouse_pane(m, &fs.s, &fs.wl); + if (fs.wp != NULL) + fs.w = fs.wl->window; + break; + case CMD_FIND_WINDOW: + case CMD_FIND_SESSION: + fs.wl = cmd_mouse_window(m, &fs.s); + if (fs.wl != NULL) { + fs.w = fs.wl->window; + fs.wp = fs.w->active; + } + break; + } + if (fs.wp == NULL) { + if (~flags & CMD_FIND_QUIET) + cmdq_error(cmdq, "no mouse target"); + goto error; + } + return (&fs); + } + copy = xstrdup(target); + + /* Find separators if they exist. */ + colon = strchr(copy, ':'); + if (colon != NULL) + *colon++ = '\0'; + if (colon == NULL) + period = strchr(copy, '.'); + else + period = strchr(colon, '.'); + if (period != NULL) + *period++ = '\0'; + + /* Set session, window and pane parts. */ + session = window = pane = NULL; + if (colon != NULL && period != NULL) { + session = copy; + window = colon; + pane = period; + } else if (colon != NULL && period == NULL) { + session = copy; + window = colon; + } else if (colon == NULL && period != NULL) { + window = copy; + pane = period; + } else { + if (*copy == '$') + session = copy; + else if (*copy == '@') + window = copy; + else if (*copy == '%') + pane = copy; + else { + switch (type) { + case CMD_FIND_SESSION: + session = copy; + break; + case CMD_FIND_WINDOW: + window = copy; + break; + case CMD_FIND_PANE: + pane = copy; + break; + } + } + } + + /* Empty is the same as NULL. */ + if (session != NULL && *session == '\0') + session = NULL; + if (window != NULL && *window == '\0') + window = NULL; + if (pane != NULL && *pane == '\0') + pane = NULL; + + /* Map though conversion table. */ + if (session != NULL) + session = cmd_find_map_table(cmd_find_session_table, session); + if (window != NULL) + window = cmd_find_map_table(cmd_find_window_table, window); + if (pane != NULL) + pane = cmd_find_map_table(cmd_find_pane_table, pane); + + log_debug("target %s (flags %#x): session=%s, window=%s, pane=%s", + target, flags, session == NULL ? "none" : session, + window == NULL ? "none" : window, pane == NULL ? "none" : pane); + + /* No pane is allowed if want an index. */ + if (pane != NULL && (flags & CMD_FIND_WINDOW_INDEX)) { + if (~flags & CMD_FIND_QUIET) + cmdq_error(cmdq, "can't specify pane here"); + goto error; + } + + /* If the session isn't NULL, look it up. */ + if (session != NULL) { + /* This will fill in session. */ + if (cmd_find_get_session(&fs, session) != 0) + goto no_session; + + /* If window and pane are NULL, use that session's current. */ + if (window == NULL && pane == NULL) { + fs.wl = fs.s->curw; + fs.idx = -1; + fs.w = fs.wl->window; + fs.wp = fs.w->active; + goto found; + } + + /* If window is present but pane not, find window in session. */ + if (window != NULL && pane == NULL) { + /* This will fill in winlink and window. */ + if (cmd_find_get_window_with_session(&fs, window) != 0) + goto no_window; + if (~flags & CMD_FIND_WINDOW_INDEX) + fs.wp = fs.wl->window->active; + goto found; + } + + /* If pane is present but window not, find pane. */ + if (window == NULL && pane != NULL) { + /* This will fill in winlink and window and pane. */ + if (cmd_find_get_pane_with_session(&fs, pane) != 0) + goto no_pane; + goto found; + } + + /* + * If window and pane are present, find both in session. This + * will fill in winlink and window. + */ + if (cmd_find_get_window_with_session(&fs, window) != 0) + goto no_window; + /* This will fill in pane. */ + if (cmd_find_get_pane_with_window(&fs, pane) != 0) + goto no_pane; + goto found; + } + + /* No session. If window and pane, try them. */ + if (window != NULL && pane != NULL) { + /* This will fill in session, winlink and window. */ + if (cmd_find_get_window(&fs, window) != 0) + goto no_window; + /* This will fill in pane. */ + if (cmd_find_get_pane_with_window(&fs, pane) != 0) + goto no_pane; + goto found; + } + + /* If just window is present, try it. */ + if (window != NULL && pane == NULL) { + /* This will fill in session, winlink and window. */ + if (cmd_find_get_window(&fs, window) != 0) + goto no_window; + if (~flags & CMD_FIND_WINDOW_INDEX) + fs.wp = fs.wl->window->active; + goto found; + } + + /* If just pane is present, try it. */ + if (window == NULL && pane != NULL) { + /* This will fill in session, winlink, window and pane. */ + if (cmd_find_get_pane(&fs, pane) != 0) + goto no_pane; + goto found; + } + +current: + /* None is the current session. */ + free(copy); + if (flags & CMD_FIND_WINDOW_INDEX) + current.idx = -1; + return (¤t); + +error: + free(copy); + return (NULL); + +found: + free(copy); + return (&fs); + +no_session: + if (~flags & CMD_FIND_QUIET) + cmdq_error(cmdq, "can't find session %s", session); + goto error; + +no_window: + if (~flags & CMD_FIND_QUIET) + cmdq_error(cmdq, "can't find window %s", window); + goto error; + +no_pane: + if (~flags & CMD_FIND_QUIET) + cmdq_error(cmdq, "can't find pane %s", pane); + goto error; +} + +/* Log the result. */ +void +cmd_find_log_state(const char *f, const char *target, struct cmd_find_state *fs) +{ + log_debug("%s: target %s%s", f, target == NULL ? "none" : target, + fs != NULL ? "" : " (failed)"); + if (fs == NULL) + return; + if (fs->s != NULL) + log_debug("\ts=$%u", fs->s->id); + else + log_debug("\ts=none"); + if (fs->wl != NULL) { + log_debug("\twl=%u %d w=@%u %s", fs->wl->idx, + fs->wl->window == fs->w, fs->w->id, fs->w->name); + } else + log_debug("\twl=none"); + if (fs->wp != NULL) + log_debug("\twp=%%%u", fs->wp->id); + else + log_debug("\twp=none"); + if (fs->idx != -1) + log_debug("\tidx=%d", fs->idx); + else + log_debug("\tidx=none"); +} + +/* Find the current session. */ +struct session * +cmd_find_current(struct cmd_q *cmdq) +{ + struct cmd_find_state *fs; + int flags = CMD_FIND_QUIET; + + fs = cmd_find_target(cmdq, NULL, CMD_FIND_SESSION, flags); + cmd_find_log_state(__func__, NULL, fs); + if (fs == NULL) + return (NULL); + + return (fs->s); +} + +/* Find the target session or report an error and return NULL. */ +struct session * +cmd_find_session(struct cmd_q *cmdq, const char *target, int prefer_unattached) +{ + struct cmd_find_state *fs; + int flags = 0; + + if (prefer_unattached) + flags |= CMD_FIND_PREFER_UNATTACHED; + + fs = cmd_find_target(cmdq, target, CMD_FIND_SESSION, flags); + cmd_find_log_state(__func__, target, fs); + if (fs == NULL) + return (NULL); + + return (fs->s); +} + +/* Find the target window or report an error and return NULL. */ +struct winlink * +cmd_find_window(struct cmd_q *cmdq, const char *target, struct session **sp) +{ + struct cmd_find_state *fs; + + fs = cmd_find_target(cmdq, target, CMD_FIND_WINDOW, 0); + cmd_find_log_state(__func__, target, fs); + if (fs == NULL) + return (NULL); + + if (sp != NULL) + *sp = fs->s; + return (fs->wl); +} + +/* Find the target pane and report an error and return NULL. */ +struct winlink * +cmd_find_pane(struct cmd_q *cmdq, const char *target, struct session **sp, + struct window_pane **wpp) +{ + struct cmd_find_state *fs; + + fs = cmd_find_target(cmdq, target, CMD_FIND_PANE, 0); + cmd_find_log_state(__func__, target, fs); + if (fs == NULL) + return (NULL); + + if (sp != NULL) + *sp = fs->s; + if (wpp != NULL) + *wpp = fs->wp; + return (fs->wl); +} + +/* Find the target client or report an error and return NULL. */ +struct client * +cmd_find_client(struct cmd_q *cmdq, const char *target, int quiet) +{ + struct client *c; + char *copy; + size_t size; + const char *path; + + /* A NULL argument means the current client. */ + if (target == NULL) { + c = cmd_find_current_client(cmdq); + if (c == NULL && !quiet) + cmdq_error(cmdq, "no current client"); + return (c); + } + copy = xstrdup(target); + + /* Trim a single trailing colon if any. */ + size = strlen(copy); + if (size != 0 && copy[size - 1] == ':') + copy[size - 1] = '\0'; + + /* Check path of each client. */ + TAILQ_FOREACH(c, &clients, entry) { + if (c->session == NULL || c->tty.path == NULL) + continue; + path = c->tty.path; + + /* Try for exact match. */ + if (strcmp(copy, path) == 0) + break; + + /* Try without leading /dev. */ + if (strncmp(path, _PATH_DEV, (sizeof _PATH_DEV) - 1) != 0) + continue; + if (strcmp(copy, path + (sizeof _PATH_DEV) - 1) == 0) + break; + } + + /* If no client found, report an error. */ + if (c == NULL && !quiet) + cmdq_error(cmdq, "can't find client %s", copy); + + free(copy); + return (c); +} + +/* + * Find the target session and window index, whether or not it exists in the + * session. Return -2 on error or -1 if no window index is specified. This is + * used when parsing an argument for a window target that may not exist (for + * example if it is going to be created). + */ +int +cmd_find_index(struct cmd_q *cmdq, const char *target, struct session **sp) +{ + struct cmd_find_state *fs; + int flags = CMD_FIND_WINDOW_INDEX; + + fs = cmd_find_target(cmdq, target, CMD_FIND_WINDOW, flags); + cmd_find_log_state(__func__, target, fs); + if (fs == NULL) + return (-2); + + if (sp != NULL) + *sp = fs->s; + return (fs->idx); +} diff --git a/cmd-load-buffer.c b/cmd-load-buffer.c index 785a7011..3a26db39 100644 --- a/cmd-load-buffer.c +++ b/cmd-load-buffer.c @@ -72,7 +72,7 @@ cmd_load_buffer_exec(struct cmd *self, struct cmd_q *cmdq) if (c != NULL && c->session == NULL) cwd = c->cwd; - else if ((s = cmd_current_session(cmdq, 0)) != NULL) + else if ((s = cmd_find_current(cmdq)) != NULL) cwd = s->cwd; else cwd = AT_FDCWD; diff --git a/cmd-new-session.c b/cmd-new-session.c index ec292fa8..199e82c2 100644 --- a/cmd-new-session.c +++ b/cmd-new-session.c @@ -137,7 +137,7 @@ cmd_new_session_exec(struct cmd *self, struct cmd_q *cmdq) cwd = fd; } else if (c != NULL && c->session == NULL) cwd = c->cwd; - else if ((c0 = cmd_current_client(cmdq)) != NULL) + else if ((c0 = cmd_find_client(cmdq, NULL, 1)) != NULL) cwd = c0->session->cwd; else { fd = open(".", O_RDONLY); diff --git a/cmd-save-buffer.c b/cmd-save-buffer.c index 368c5178..62c3989e 100644 --- a/cmd-save-buffer.c +++ b/cmd-save-buffer.c @@ -93,7 +93,7 @@ cmd_save_buffer_exec(struct cmd *self, struct cmd_q *cmdq) if (c != NULL && c->session == NULL) cwd = c->cwd; - else if ((s = cmd_current_session(cmdq, 0)) != NULL) + else if ((s = cmd_find_current(cmdq)) != NULL) cwd = s->cwd; else cwd = AT_FDCWD; diff --git a/cmd.c b/cmd.c index ea1a29d0..e8ce932d 100644 --- a/cmd.c +++ b/cmd.c @@ -116,24 +116,6 @@ const struct cmd_entry *cmd_table[] = { NULL }; -ARRAY_DECL(client_list, struct client *); -ARRAY_DECL(sessionslist, struct session *); - -int cmd_session_better(struct session *, struct session *, int); -struct session *cmd_choose_session_list(struct sessionslist *); -struct session *cmd_choose_session(int); -struct client *cmd_choose_client(struct client_list *); -struct client *cmd_lookup_client(const char *); -struct session *cmd_lookup_session(struct cmd_q *, const char *, int *); -struct winlink *cmd_lookup_window(struct session *, const char *, int *); -int cmd_lookup_index(struct session *, const char *, int *); -struct winlink *cmd_lookup_winlink_windowid(struct session *, const char *); -struct session *cmd_window_session(struct cmd_q *, struct window *, - struct winlink **); -struct winlink *cmd_find_window_offset(const char *, struct session *, int *); -int cmd_find_index_offset(const char *, struct session *, int *); -struct window_pane *cmd_find_pane_offset(const char *, struct winlink *); - int cmd_pack_argv(int argc, char **argv, char *buf, size_t len) { @@ -332,183 +314,6 @@ cmd_print(struct cmd *cmd, char *buf, size_t len) return (off); } -/* - * Figure out the current session. Use: 1) the current session, if the command - * context has one; 2) the most recently used session containing the pty of the - * calling client, if any; 3) the session specified in the TMUX variable from - * the environment (as passed from the client); 4) the most recently used - * session from all sessions. - */ -struct session * -cmd_current_session(struct cmd_q *cmdq, int prefer_unattached) -{ - struct client *c = cmdq->client; - struct session *s; - struct sessionslist ss; - struct winlink *wl; - struct window_pane *wp; - const char *path; - int found; - - /* Try the queue session. */ - if (c != NULL && c->session != NULL) - return (c->session); - - /* - * If the name of the calling client's pty is known, build a list of - * the sessions that contain it and if any choose either the first or - * the newest. - */ - path = c == NULL ? NULL : c->tty.path; - if (path != NULL) { - ARRAY_INIT(&ss); - RB_FOREACH(s, sessions, &sessions) { - found = 0; - RB_FOREACH(wl, winlinks, &s->windows) { - TAILQ_FOREACH(wp, &wl->window->panes, entry) { - if (strcmp(wp->tty, path) == 0) { - found = 1; - break; - } - } - if (found) - break; - } - if (found) - ARRAY_ADD(&ss, s); - } - - s = cmd_choose_session_list(&ss); - ARRAY_FREE(&ss); - if (s != NULL) - return (s); - } - - return (cmd_choose_session(prefer_unattached)); -} - -/* Is this session better? */ -int -cmd_session_better(struct session *s, struct session *best, - int prefer_unattached) -{ - if (best == NULL) - return (1); - if (prefer_unattached) { - if (!(best->flags & SESSION_UNATTACHED) && - (s->flags & SESSION_UNATTACHED)) - return (1); - else if ((best->flags & SESSION_UNATTACHED) && - !(s->flags & SESSION_UNATTACHED)) - return (0); - } - return (timercmp(&s->activity_time, &best->activity_time, >)); -} - -/* - * Find the most recently used session, preferring unattached if the flag is - * set. - */ -struct session * -cmd_choose_session(int prefer_unattached) -{ - struct session *s, *best; - - best = NULL; - RB_FOREACH(s, sessions, &sessions) { - if (cmd_session_better(s, best, prefer_unattached)) - best = s; - } - return (best); -} - -/* Find the most recently used session from a list. */ -struct session * -cmd_choose_session_list(struct sessionslist *ss) -{ - struct session *s, *sbest; - struct timeval *tv = NULL; - u_int i; - - sbest = NULL; - for (i = 0; i < ARRAY_LENGTH(ss); i++) { - if ((s = ARRAY_ITEM(ss, i)) == NULL) - continue; - - if (tv == NULL || timercmp(&s->activity_time, tv, >)) { - sbest = s; - tv = &s->activity_time; - } - } - - return (sbest); -} - -/* - * Find the current client. First try the current client if set, then pick the - * most recently used of the clients attached to the current session if any, - * then of all clients. - */ -struct client * -cmd_current_client(struct cmd_q *cmdq) -{ - struct session *s; - struct client *c; - struct client_list cc; - - if (cmdq->client != NULL && cmdq->client->session != NULL) - return (cmdq->client); - - /* - * No current client set. Find the current session and return the - * newest of its clients. - */ - s = cmd_current_session(cmdq, 0); - if (s != NULL && !(s->flags & SESSION_UNATTACHED)) { - ARRAY_INIT(&cc); - TAILQ_FOREACH(c, &clients, entry) { - if (s == c->session) - ARRAY_ADD(&cc, c); - } - - c = cmd_choose_client(&cc); - ARRAY_FREE(&cc); - if (c != NULL) - return (c); - } - - ARRAY_INIT(&cc); - TAILQ_FOREACH(c, &clients, entry) - ARRAY_ADD(&cc, c); - c = cmd_choose_client(&cc); - ARRAY_FREE(&cc); - return (c); -} - -/* Choose the most recently used client from a list. */ -struct client * -cmd_choose_client(struct client_list *cc) -{ - struct client *c, *cbest; - struct timeval *tv = NULL; - u_int i; - - cbest = NULL; - for (i = 0; i < ARRAY_LENGTH(cc); i++) { - if ((c = ARRAY_ITEM(cc, i)) == NULL) - continue; - if (c->session == NULL) - continue; - - if (tv == NULL || timercmp(&c->activity_time, tv, >)) { - cbest = c; - tv = &c->activity_time; - } - } - - return (cbest); -} - /* Adjust current mouse position for a pane. */ int cmd_mouse_at(struct window_pane *wp, struct mouse_event *m, u_int *xp, @@ -560,7 +365,8 @@ cmd_mouse_window(struct mouse_event *m, struct session **sp) /* Get current mouse pane if any. */ struct window_pane * -cmd_mouse_pane(struct mouse_event *m, struct session **sp, struct winlink **wlp) +cmd_mouse_pane(struct mouse_event *m, struct session **sp, + struct winlink **wlp) { struct winlink *wl; struct window_pane *wp; @@ -577,745 +383,6 @@ cmd_mouse_pane(struct mouse_event *m, struct session **sp, struct winlink **wlp) return (wp); } -/* Find the target client or report an error and return NULL. */ -struct client * -cmd_find_client(struct cmd_q *cmdq, const char *arg, int quiet) -{ - struct client *c; - char *tmparg; - size_t arglen; - - /* A NULL argument means the current client. */ - if (arg == NULL) { - c = cmd_current_client(cmdq); - if (c == NULL && !quiet) - cmdq_error(cmdq, "no clients"); - return (c); - } - tmparg = xstrdup(arg); - - /* Trim a single trailing colon if any. */ - arglen = strlen(tmparg); - if (arglen != 0 && tmparg[arglen - 1] == ':') - tmparg[arglen - 1] = '\0'; - - /* Find the client, if any. */ - c = cmd_lookup_client(tmparg); - - /* If no client found, report an error. */ - if (c == NULL && !quiet) - cmdq_error(cmdq, "client not found: %s", tmparg); - - free(tmparg); - return (c); -} - -/* - * Lookup a client by device path. Either of a full match and a match without a - * leading _PATH_DEV ("/dev/") is accepted. - */ -struct client * -cmd_lookup_client(const char *name) -{ - struct client *c; - const char *path; - - TAILQ_FOREACH(c, &clients, entry) { - if (c->session == NULL || c->tty.path == NULL) - continue; - path = c->tty.path; - - /* Check for exact matches. */ - if (strcmp(name, path) == 0) - return (c); - - /* Check without leading /dev if present. */ - if (strncmp(path, _PATH_DEV, (sizeof _PATH_DEV) - 1) != 0) - continue; - if (strcmp(name, path + (sizeof _PATH_DEV) - 1) == 0) - return (c); - } - - return (NULL); -} - -/* Lookup a session by name. If no session is found, NULL is returned. */ -struct session * -cmd_lookup_session(struct cmd_q *cmdq, const char *name, int *ambiguous) -{ - struct session *s, *sfound; - struct window *w; - struct window_pane *wp; - - *ambiguous = 0; - - /* Look for $id first. */ - if ((s = session_find_by_id_str(name)) != NULL) - return (s); - - /* Try as pane or window id. */ - if ((wp = window_pane_find_by_id_str(name)) != NULL) - return (cmd_window_session(cmdq, wp->window, NULL)); - if ((w = window_find_by_id_str(name)) != NULL) - return (cmd_window_session(cmdq, w, NULL)); - - /* - * Look for matches. First look for exact matches - session names must - * be unique so an exact match can't be ambigious and can just be - * returned. - */ - if ((s = session_find(name)) != NULL) - return (s); - - /* - * Otherwise look for partial matches, returning early if it is found to - * be ambiguous. - */ - sfound = NULL; - RB_FOREACH(s, sessions, &sessions) { - if (strncmp(name, s->name, strlen(name)) == 0 || - fnmatch(name, s->name, 0) == 0) { - if (sfound != NULL) { - *ambiguous = 1; - return (NULL); - } - sfound = s; - } - } - return (sfound); -} - -/* - * Lookup a window or return -1 if not found or ambigious. First try as an - * index and if invalid, use fnmatch or leading prefix. Return NULL but fill in - * idx if the window index is a valid number but there is no window with that - * index. - */ -struct winlink * -cmd_lookup_window(struct session *s, const char *name, int *ambiguous) -{ - struct winlink *wl, *wlfound; - struct window *w; - struct window_pane *wp; - const char *errstr; - u_int idx; - - *ambiguous = 0; - - /* Try as pane or window id. */ - if ((wl = cmd_lookup_winlink_windowid(s, name)) != NULL) - return (wl); - - /* Lookup as pane or window id. */ - if ((wp = window_pane_find_by_id_str(name)) != NULL) { - wl = winlink_find_by_window(&s->windows, wp->window); - if (wl != NULL) - return (wl); - } - if ((w = window_find_by_id_str(name)) != NULL) { - wl = winlink_find_by_window(&s->windows, w); - if (wl != NULL) - return (wl); - } - - /* First see if this is a valid window index in this session. */ - idx = strtonum(name, 0, INT_MAX, &errstr); - if (errstr == NULL) { - if ((wl = winlink_find_by_index(&s->windows, idx)) != NULL) - return (wl); - } - - /* Look for exact matches, error if more than one. */ - wlfound = NULL; - RB_FOREACH(wl, winlinks, &s->windows) { - if (strcmp(name, wl->window->name) == 0) { - if (wlfound != NULL) { - *ambiguous = 1; - return (NULL); - } - wlfound = wl; - } - } - if (wlfound != NULL) - return (wlfound); - - /* Now look for pattern matches, again error if multiple. */ - wlfound = NULL; - RB_FOREACH(wl, winlinks, &s->windows) { - if (strncmp(name, wl->window->name, strlen(name)) == 0 || - fnmatch(name, wl->window->name, 0) == 0) { - if (wlfound != NULL) { - *ambiguous = 1; - return (NULL); - } - wlfound = wl; - } - } - if (wlfound != NULL) - return (wlfound); - - return (NULL); -} - -/* - * Find a window index - if the window doesn't exist, check if it is a - * potential index and return it anyway. - */ -int -cmd_lookup_index(struct session *s, const char *name, int *ambiguous) -{ - struct winlink *wl; - const char *errstr; - u_int idx; - - idx = strtonum(name, 0, INT_MAX, &errstr); - if (errstr == NULL) - return (idx); - - if ((wl = cmd_lookup_window(s, name, ambiguous)) != NULL) - return (wl->idx); - if (*ambiguous) - return (-1); - - return (-1); -} - -/* Lookup window id in a session. An initial @ means a window id. */ -struct winlink * -cmd_lookup_winlink_windowid(struct session *s, const char *arg) -{ - const char *errstr; - u_int windowid; - - if (*arg != '@') - return (NULL); - - windowid = strtonum(arg + 1, 0, UINT_MAX, &errstr); - if (errstr != NULL) - return (NULL); - return (winlink_find_by_window_id(&s->windows, windowid)); -} - -/* Find session and winlink for window. */ -struct session * -cmd_window_session(struct cmd_q *cmdq, struct window *w, struct winlink **wlp) -{ - struct session *s; - struct sessionslist ss; - struct winlink *wl; - - /* If this window is in the current session, return that winlink. */ - s = cmd_current_session(cmdq, 0); - if (s != NULL) { - wl = winlink_find_by_window(&s->windows, w); - if (wl != NULL) { - if (wlp != NULL) - *wlp = wl; - return (s); - } - } - - /* Otherwise choose from all sessions with this window. */ - ARRAY_INIT(&ss); - RB_FOREACH(s, sessions, &sessions) { - if (winlink_find_by_window(&s->windows, w) != NULL) - ARRAY_ADD(&ss, s); - } - s = cmd_choose_session_list(&ss); - ARRAY_FREE(&ss); - if (wlp != NULL) - *wlp = winlink_find_by_window(&s->windows, w); - return (s); -} - -/* Find the target session or report an error and return NULL. */ -struct session * -cmd_find_session(struct cmd_q *cmdq, const char *arg, int prefer_unattached) -{ - struct session *s; - struct client *c; - char *tmparg; - size_t arglen; - int ambiguous; - - /* A NULL argument means the current session. */ - if (arg == NULL) { - if ((s = cmd_current_session(cmdq, prefer_unattached)) == NULL) - cmdq_error(cmdq, "can't establish current session"); - return (s); - } - - /* Trim a single trailing colon if any. */ - tmparg = xstrdup(arg); - arglen = strlen(tmparg); - if (arglen != 0 && tmparg[arglen - 1] == ':') - tmparg[arglen - 1] = '\0'; - - /* An empty session name is the current session. */ - if (*tmparg == '\0') { - free(tmparg); - if ((s = cmd_current_session(cmdq, prefer_unattached)) == NULL) - cmdq_error(cmdq, "can't establish current session"); - return (s); - } - - /* Find the session, if any. */ - s = cmd_lookup_session(cmdq, tmparg, &ambiguous); - - /* If it doesn't, try to match it as a client. */ - if (s == NULL && (c = cmd_lookup_client(tmparg)) != NULL) - s = c->session; - - /* If no session found, report an error. */ - if (s == NULL) { - if (ambiguous) - cmdq_error(cmdq, "more than one session: %s", tmparg); - else - cmdq_error(cmdq, "session not found: %s", tmparg); - } - - free(tmparg); - return (s); -} - -/* Find the target session and window or report an error and return NULL. */ -struct winlink * -cmd_find_window(struct cmd_q *cmdq, const char *arg, struct session **sp) -{ - struct session *s; - struct winlink *wl; - const char *winptr; - char *sessptr = NULL; - int ambiguous = 0; - - /* - * Find the current session. There must always be a current session, if - * it can't be found, report an error. - */ - if ((s = cmd_current_session(cmdq, 0)) == NULL) { - cmdq_error(cmdq, "can't establish current session"); - return (NULL); - } - - /* A NULL argument means the current session and window. */ - if (arg == NULL) { - if (sp != NULL) - *sp = s; - return (s->curw); - } - - /* Time to look at the argument. If it is empty, that is an error. */ - if (*arg == '\0') - goto not_found; - - /* Find the separating colon and split into window and session. */ - winptr = strchr(arg, ':'); - if (winptr == NULL) - goto no_colon; - winptr++; /* skip : */ - sessptr = xstrdup(arg); - *strchr(sessptr, ':') = '\0'; - - /* Try to lookup the session if present. */ - if (*sessptr != '\0') { - if ((s = cmd_lookup_session(cmdq, sessptr, &ambiguous)) == NULL) - goto no_session; - } - if (sp != NULL) - *sp = s; - - /* - * Then work out the window. An empty string is the current window, - * otherwise try special cases then to look it up in the session. - */ - if (*winptr == '\0') - wl = s->curw; - else if (winptr[0] == '!' && winptr[1] == '\0') - wl = TAILQ_FIRST(&s->lastw); - else if (winptr[0] == '^' && winptr[1] == '\0') - wl = RB_MIN(winlinks, &s->windows); - else if (winptr[0] == '$' && winptr[1] == '\0') - wl = RB_MAX(winlinks, &s->windows); - else if (winptr[0] == '+' || winptr[0] == '-') - wl = cmd_find_window_offset(winptr, s, &ambiguous); - else - wl = cmd_lookup_window(s, winptr, &ambiguous); - if (wl == NULL) - goto not_found; - - if (sessptr != NULL) - free(sessptr); - return (wl); - -no_colon: - /* - * No colon in the string, first try special cases, then as a window - * and lastly as a session. - */ - if (arg[0] == '=' && arg[1] == '\0') { - if ((wl = cmd_mouse_window(&cmdq->item->mouse, &s)) == NULL) { - cmdq_error(cmdq, "no mouse target"); - goto error; - } - } else if (arg[0] == '!' && arg[1] == '\0') { - if ((wl = TAILQ_FIRST(&s->lastw)) == NULL) - goto not_found; - } else if (arg[0] == '+' || arg[0] == '-') { - if ((wl = cmd_find_window_offset(arg, s, &ambiguous)) == NULL) - goto lookup_session; - } else if ((wl = cmd_lookup_window(s, arg, &ambiguous)) == NULL) - goto lookup_session; - - if (sp != NULL) - *sp = s; - - return (wl); - -lookup_session: - if (ambiguous) - goto not_found; - if (*arg != '\0' && - (s = cmd_lookup_session(cmdq, arg, &ambiguous)) == NULL) - goto no_session; - - if (sp != NULL) - *sp = s; - - return (s->curw); - -no_session: - if (ambiguous) - cmdq_error(cmdq, "multiple sessions: %s", arg); - else - cmdq_error(cmdq, "session not found: %s", arg); - goto error; - -not_found: - if (ambiguous) - cmdq_error(cmdq, "multiple windows: %s", arg); - else - cmdq_error(cmdq, "window not found: %s", arg); - goto error; - -error: - free(sessptr); - return (NULL); -} - -struct winlink * -cmd_find_window_offset(const char *winptr, struct session *s, int *ambiguous) -{ - struct winlink *wl; - int offset = 1; - - if (winptr[1] != '\0') - offset = strtonum(winptr + 1, 1, INT_MAX, NULL); - if (offset == 0) - wl = cmd_lookup_window(s, winptr, ambiguous); - else { - if (winptr[0] == '+') - wl = winlink_next_by_number(s->curw, s, offset); - else - wl = winlink_previous_by_number(s->curw, s, offset); - } - - return (wl); -} - -/* - * Find the target session and window index, whether or not it exists in the - * session. Return -2 on error or -1 if no window index is specified. This is - * used when parsing an argument for a window target that may not exist (for - * example if it is going to be created). - */ -int -cmd_find_index(struct cmd_q *cmdq, const char *arg, struct session **sp) -{ - struct session *s; - struct winlink *wl; - const char *winptr; - char *sessptr = NULL; - int idx, ambiguous = 0; - - /* - * Find the current session. There must always be a current session, if - * it can't be found, report an error. - */ - if ((s = cmd_current_session(cmdq, 0)) == NULL) { - cmdq_error(cmdq, "can't establish current session"); - return (-2); - } - - /* A NULL argument means the current session and "no window" (-1). */ - if (arg == NULL) { - if (sp != NULL) - *sp = s; - return (-1); - } - - /* Time to look at the argument. If it is empty, that is an error. */ - if (*arg == '\0') - goto not_found; - - /* Find the separating colon. If none, assume the current session. */ - winptr = strchr(arg, ':'); - if (winptr == NULL) - goto no_colon; - winptr++; /* skip : */ - sessptr = xstrdup(arg); - *strchr(sessptr, ':') = '\0'; - - /* Try to lookup the session if present. */ - if (sessptr != NULL && *sessptr != '\0') { - if ((s = cmd_lookup_session(cmdq, sessptr, &ambiguous)) == NULL) - goto no_session; - } - if (sp != NULL) - *sp = s; - - /* - * Then work out the window. An empty string is a new window otherwise - * try to look it up in the session. - */ - if (*winptr == '\0') - idx = -1; - else if (winptr[0] == '!' && winptr[1] == '\0') { - if ((wl = TAILQ_FIRST(&s->lastw)) == NULL) - goto not_found; - idx = wl->idx; - } else if (winptr[0] == '+' || winptr[0] == '-') { - if ((idx = cmd_find_index_offset(winptr, s, &ambiguous)) < 0) - goto invalid_index; - } else if ((idx = cmd_lookup_index(s, winptr, &ambiguous)) == -1) - goto invalid_index; - - free(sessptr); - return (idx); - -no_colon: - /* - * No colon in the string, first try special cases, then as a window - * and lastly as a session. - */ - if (arg[0] == '!' && arg[1] == '\0') { - if ((wl = TAILQ_FIRST(&s->lastw)) == NULL) - goto not_found; - idx = wl->idx; - } else if (arg[0] == '+' || arg[0] == '-') { - if ((idx = cmd_find_index_offset(arg, s, &ambiguous)) < 0) - goto lookup_session; - } else if ((idx = cmd_lookup_index(s, arg, &ambiguous)) == -1) - goto lookup_session; - - if (sp != NULL) - *sp = s; - - return (idx); - -lookup_session: - if (ambiguous) - goto not_found; - if (*arg != '\0' && - (s = cmd_lookup_session(cmdq, arg, &ambiguous)) == NULL) - goto no_session; - - if (sp != NULL) - *sp = s; - - return (-1); - -no_session: - if (ambiguous) - cmdq_error(cmdq, "multiple sessions: %s", arg); - else - cmdq_error(cmdq, "session not found: %s", arg); - free(sessptr); - return (-2); - -invalid_index: - if (ambiguous) - goto not_found; - cmdq_error(cmdq, "invalid index: %s", arg); - - free(sessptr); - return (-2); - -not_found: - if (ambiguous) - cmdq_error(cmdq, "multiple windows: %s", arg); - else - cmdq_error(cmdq, "window not found: %s", arg); - free(sessptr); - return (-2); -} - -int -cmd_find_index_offset(const char *winptr, struct session *s, int *ambiguous) -{ - int idx, offset = 1; - - if (winptr[1] != '\0') - offset = strtonum(winptr + 1, 1, INT_MAX, NULL); - if (offset == 0) - idx = cmd_lookup_index(s, winptr, ambiguous); - else { - if (winptr[0] == '+') { - if (s->curw->idx == INT_MAX) - idx = cmd_lookup_index(s, winptr, ambiguous); - else - idx = s->curw->idx + offset; - } else { - if (s->curw->idx == 0) - idx = cmd_lookup_index(s, winptr, ambiguous); - else - idx = s->curw->idx - offset; - } - } - - return (idx); -} - -/* - * 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_q *cmdq, - const char *arg, struct session **sp, struct window_pane **wpp) -{ - struct session *s; - struct winlink *wl; - const char *period, *errstr; - char *winptr, *paneptr; - u_int idx; - - /* Get the current session. */ - if ((s = cmd_current_session(cmdq, 0)) == NULL) { - cmdq_error(cmdq, "can't establis