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/* $OpenBSD$ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* 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 <sys/types.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "tmux.h"
static int key_bindings_cmp(struct key_binding *, struct key_binding *);
RB_GENERATE_STATIC(key_bindings, key_binding, entry, key_bindings_cmp);
static int key_table_cmp(struct key_table *, struct key_table *);
RB_GENERATE_STATIC(key_tables, key_table, entry, key_table_cmp);
static struct key_tables key_tables = RB_INITIALIZER(&key_tables);
static int
key_table_cmp(struct key_table *table1, struct key_table *table2)
{
return (strcmp(table1->name, table2->name));
}
static int
key_bindings_cmp(struct key_binding *bd1, struct key_binding *bd2)
{
if (bd1->key < bd2->key)
return (-1);
if (bd1->key > bd2->key)
return (1);
return (0);
}
struct key_table *
key_bindings_get_table(const char *name, int create)
{
struct key_table table_find, *table;
table_find.name = name;
table = RB_FIND(key_tables, &key_tables, &table_find);
if (table != NULL || !create)
return (table);
table = xmalloc(sizeof *table);
table->name = xstrdup(name);
RB_INIT(&table->key_bindings);
table->references = 1; /* one reference in key_tables */
RB_INSERT(key_tables, &key_tables, table);
return (table);
}
struct key_table *
key_bindings_first_table(void)
{
return (RB_MIN(key_tables, &key_tables));
}
struct key_table *
key_bindings_next_table(struct key_table *table)
{
return (RB_NEXT(key_tables, &key_tables, table));
}
void
key_bindings_unref_table(struct key_table *table)
{
struct key_binding *bd;
struct key_binding *bd1;
if (--table->references != 0)
return;
RB_FOREACH_SAFE(bd, key_bindings, &table->key_bindings, bd1) {
RB_REMOVE(key_bindings, &table->key_bindings, bd);
cmd_list_free(bd->cmdlist);
free(bd);
}
free((void *)table->name);
free(table);
}
struct key_binding *
key_bindings_get(struct key_table *table, key_code key)
{
struct key_binding bd;
bd.key = key;
return (RB_FIND(key_bindings, &table->key_bindings, &bd));
}
struct key_binding *
key_bindings_first(struct key_table *table)
{
return (RB_MIN(key_bindings, &table->key_bindings));
}
struct key_binding *
key_bindings_next(__unused struct key_table *table, struct key_binding *bd)
{
return (RB_NEXT(key_bindings, &table->key_bindings, bd));
}
void
key_bindings_add(const char *name, key_code key, int repeat,
struct cmd_list *cmdlist)
{
struct key_table *table;
struct key_binding bd_find, *bd;
table = key_bindings_get_table(name, 1);
bd_find.key = (key & ~KEYC_XTERM);
bd = RB_FIND(key_bindings, &table->key_bindings, &bd_find);
if (bd != NULL) {
RB_REMOVE(key_bindings, &table->key_bindings, bd);
cmd_list_free(bd->cmdlist);
free(bd);
}
bd = xcalloc(1, sizeof *bd);
bd->key = key;
RB_INSERT(key_bindings, &table->key_bindings, bd);
if (repeat)
bd->flags |= KEY_BINDING_REPEAT;
bd->cmdlist = cmdlist;
}
void
key_bindings_remove(const char *name, key_code key)
{
struct key_table *table;
struct key_binding bd_find, *bd;
table = key_bindings_get_table(name, 0);
if (table == NULL)
return;
bd_find.key = (key & ~KEYC_XTERM);
bd = RB_FIND(key_bindings, &table->key_bindings, &bd_find);
if (bd == NULL)
return;
RB_REMOVE(key_bindings, &table->key_bindings, bd);
cmd_list_free(bd->cmdlist);
free(bd);
if (RB_EMPTY(&table->key_bindings)) {
RB_REMOVE(key_tables, &key_tables, table);
key_bindings_unref_table(table);
}
}
void
key_bindings_remove_table(const char *name)
{
struct key_table *table;
struct client *c;
table = key_bindings_get_table(name, 0);
if (table != NULL) {
RB_REMOVE(key_tables, &key_tables, table);
key_bindings_unref_table(table);
}
TAILQ_FOREACH(c, &clients, entry) {
if (c->keytable == table)
server_client_set_key_table(c, NULL);
}
}
void
key_bindings_init(void)
{
static const char *defaults[] = {
"bind C-b send-prefix",
"bind C-o rotate-window",
"bind C-z suspend-client",
"bind Space next-layout",
"bind ! break-pane",
"bind '\"' split-window",
"bind '#' list-buffers",
"bind '$' command-prompt -I'#S' \"rename-session -- '%%'\"",
"bind % split-window -h",
"bind & confirm-before -p\"kill-window #W? (y/n)\" kill-window",
"bind \"'\" command-prompt -pindex \"select-window -t ':%%'\"",
"bind ( switch-client -p",
"bind ) switch-client -n",
"bind , command-prompt -I'#W' \"rename-window -- '%%'\"",
"bind - delete-buffer",
"bind . command-prompt \"move-window -t '%%'\"",
"bind 0 select-window -t:=0",
"bind 1 select-window -t:=1",
"bind 2 select-window -t:=2",
"bind 3 select-window -t:=3",
"bind 4 select-window -t:=4",
"bind 5 select-window -t:=5",
"bind 6 select-window -t:=6",
"bind 7 select-window -t:=7",
"bind 8 select-window -t:=8",
"bind 9 select-window -t:=9",
"bind : command-prompt",
"bind \\; last-pane",
"bind = choose-buffer -Z",
"bind ? list-keys",
"bind D choose-client -Z",
"bind E select-layout -E",
"bind L switch-client -l",
"bind M select-pane -M",
"bind [ copy-mode",
"bind ] paste-buffer",
"bind c new-window",
"bind d detach-client",
"bind f command-prompt \"find-window -- '%%'\"",
"bind i display-message",
"bind l last-window",
"bind m select-pane -m",
"bind n next-window",
"bind o select-pane -t:.+",
"bind p previous-window",
"bind q display-panes",
"bind r refresh-client",
"bind s choose-tree -Zs",
"bind t clock-mode",
"bind w choose-tree -Zw",
"bind x confirm-before -p\"kill-pane #P? (y/n)\" kill-pane",
"bind z resize-pane -Z",
"bind { swap-pane -U",
"bind } swap-pane -D",
"bind '~' show-messages",
"bind PPage copy-mode -u",
"bind -r Up select-pane -U",
"bind -r Down select-pane -D",
"bind -r Left select-pane -L",
"bind -r Right select-pane -R",
"bind M-1 select-layout even-horizontal",
"bind M-2 select-layout even-vertical",
"bind M-3 select-layout main-horizontal",
"bind M-4 select-layout main-vertical",
"bind M-5 select-layout tiled",
"bind M-n next-window -a",
"bind M-o rotate-window -D",
"bind M-p previous-window -a",
"bind -r M-Up resize-pane -U 5",
"bind -r M-Down resize-pane -D 5",
"bind -r M-Left resize-pane -L 5",
"bind -r M-Right resize-pane -R 5",
"bind -r C-Up resize-pane -U",
"bind -r C-Down resize-pane -D",
"bind -r C-Left resize-pane -L",
"bind -r C-Right resize-pane -R",
"bind -n MouseDown1Pane select-pane -t=\\; send-keys -M",
"bind -n MouseDrag1Border resize-pane -M",
"bind -n MouseDown1Status select-window -t=",
"bind -n WheelDownStatus next-window",
"bind -n WheelUpStatus previous-window",
"bind -n MouseDrag1Pane if -Ft= '#{mouse_any_flag}' 'if -Ft= \"#{pane_in_mode}\" \"copy-mode -M\" \"send-keys -M\"' 'copy-mode -M'",
"bind -n MouseDown3Pane if-shell -Ft= '#{mouse_any_flag}' 'select-pane -t=; send-keys -M' 'select-pane -mt='",
"bind -n WheelUpPane if-shell -Ft= '#{mouse_any_flag}' 'send-keys -M' 'if -Ft= \"#{pane_in_mode}\" \"send-keys -M\" \"copy-mode -et=\"'",
"bind -Tcopy-mode C-Space send -X begin-selection",
"bind -Tcopy-mode C-a send -X start-of-line",
"bind -Tcopy-mode C-c send -X cancel",
"bind -Tcopy-mode C-e send -X end-of-line",
"bind -Tcopy-mode C-f send -X cursor-right",
"bind -Tcopy-mode C-b send -X cursor-left",
"bind -Tcopy-mode C-g send -X clear-selection",
"bind -Tcopy-mode C-k send -X copy-end-of-line",
"bind -Tcopy-mode C-n send -X cursor-down",
"bind -Tcopy-mode C-p send -X cursor-up",
"bind -Tcopy-mode C-r command-prompt -ip'(search up)' -I'#{pane_search_string}' 'send -X search-backward-incremental \"%%%\"'",
"bind -Tcopy-mode C-s command-prompt -ip'(search down)' -I'#{pane_search_string}' 'send -X search-forward-incremental \"%%%\"'",
"bind -Tcopy-mode C-v send -X page-down",
"bind -Tcopy-mode C-w send -X copy-selection-and-cancel",
"bind -Tcopy-mode Escape send -X cancel",
"bind -Tcopy-mode Space send -X page-down",
"bind -Tcopy-mode , send -X jump-reverse",
"bind -Tcopy-mode \\; send -X jump-again",
"bind -Tcopy-mode F command-prompt -1p'(jump backward)' 'send -X jump-backward \"%%%\"'",
"bind -Tcopy-mode N send -X search-reverse",
"bind -Tcopy-mode R send -X rectangle-toggle",
"bind -Tcopy-mode T command-prompt -1p'(jump to backward)' 'send -X jump-to-backward \"%%%\"'",
"bind -Tcopy-mode f command-prompt -1p'(jump forward)' 'send -X jump-forward \"%%%\"'",
"bind -Tcopy-mode g command-prompt -p'(goto line)' 'send -X goto-line \"%%%\"'",
"bind -Tcopy-mode n send -X search-again",
"bind -Tcopy-mode q send -X cancel",
"bind -Tcopy-mode t command-prompt -1p'(jump to forward)' 'send -X jump-to-forward \"%%%\"'",
"bind -Tcopy-mode Home send -X start-of-line",
"bind -Tcopy-mode End send -X end-of-line",
"bind -Tcopy-mode MouseDown1Pane select-pane",
"bind -Tcopy-mode MouseDrag1Pane select-pane\\; send -X begin-selection",
"bind -Tcopy-mode MouseDragEnd1Pane send -X copy-selection-and-cancel",
"bind -Tcopy-mode WheelUpPane select-pane\\; send -N5 -X scroll-up",
"bind -Tcopy-mode WheelDownPane select-pane\\; send -N5 -X scroll-down",
"bind -Tcopy-mode DoubleClick1Pane select-pane\\; send -X select-word",
"bind -Tcopy-mode TripleClick1Pane select-pane\\; send -X select-line",
"bind -Tcopy-mode NPage send -X page-down",
"bind -Tcopy-mode PPage send -X page-up",
"bind -Tcopy-mode Up send -X cursor-up",
"bind -Tcopy-mode Down send -X cursor-down",
"bind -Tcopy-mode Left send -X cursor-left",
"bind -Tcopy-mode Right send -X cursor-right",
"bind -Tcopy-mode M-1 command-prompt -Np'(repeat)' -I1 'send -N \"%%%\"'",
"bind -Tcopy-mode M-2 command-prompt -Np'(repeat)' -I2 'send -N \"%%%\"'",
"bind -Tcopy-mode M-3 command-prompt -Np'(repeat)' -I3 'send -N \"%%%\"'",
"bind -Tcopy-mode M-4 command-prompt -Np'(repeat)' -I4 'send -N \"%%%\"'",
"bind -Tcopy-mode M-5 command-prompt -Np'(repeat)' -I5 'send -N \"%%%\"'",
"bind -Tcopy-mode M-6 command-prompt -Np'(repeat)' -I6 'send -N \"%%%\"'",
"bind -Tcopy-mode M-7 command-prompt -Np'(repeat)' -I7 'send -N \"%%%\"'",
"bind -Tcopy-mode M-8 command-prompt -Np'(repeat)' -I8 'send -N \"%%%\"'",
"bind -Tcopy-mode M-9 command-prompt -Np'(repeat)' -I9 'send -N \"%%%\"'",
"bind -Tcopy-mode M-< send -X history-top",
"bind -Tcopy-mode M-> send -X history-bottom",
"bind -Tcopy-mode M-R send -X top-line",
"bind -Tcopy-mode M-b send -X previous-word",
"bind -Tcopy-mode M-f send -X next-word-end",
"bind -Tcopy-mode M-m send -X back-to-indentation",
"bind -Tcopy-mode M-r send -X middle-line",
"bind -Tcopy-mode M-v send -X page-up",
"bind -Tcopy-mode M-w send -X copy-selection-and-cancel",
"bind -Tcopy-mode M-{ send -X previous-paragraph",
"bind -Tcopy-mode M-} send -X next-paragraph",
"bind -Tcopy-mode M-Up send -X halfpage-up",
"bind -Tcopy-mode M-Down send -X halfpage-down",
"bind -Tcopy-mode C-Up send -X scroll-up",
"bind -Tcopy-mode C-Down send -X scroll-down",
"bind -Tcopy-mode-vi C-c send -X cancel",
"bind -Tcopy-mode-vi C-d send -X halfpage-down",
"bind -Tcopy-mode-vi C-e send -X scroll-down",
"bind -Tcopy-mode-vi C-b send -X page-up",
"bind -Tcopy-mode-vi C-f send -X page-down",
"bind -Tcopy-mode-vi C-h send -X cursor-left",
"bind -Tcopy-mode-vi C-j send -X copy-selection-and-cancel",
"bind -Tcopy-mode-vi Enter send -X copy-selection-and-cancel",
"bind -Tcopy-mode-vi C-u send -X halfpage-up",
"bind -Tcopy-mode-vi C-v send -X rectangle-toggle",
"bind -Tcopy-mode-vi C-y send -X scroll-up",
"bind -Tcopy-mode-vi Escape send -X clear-selection",
"bind -Tcopy-mode-vi Space send -X begin-selection",
"bind -Tcopy-mode-vi '$' send -X end-of-line",
"bind -Tcopy-mode-vi , send -X jump-reverse",
"bind -Tcopy-mode-vi / command-prompt -p'(search down)' 'send -X search-forward \"%%%\"'",
"bind -Tcopy-mode-vi 0 send -X start-of-line",
"bind -Tcopy-mode-vi 1 command-prompt -Np'(repeat)' -I1 'send -N \"%%%\"'",
"bind -Tcopy-mode-vi 2 command-prompt -Np'(repeat)' -I2 'send -N \"%%%\"'",
"bind -Tcopy-mode-vi 3 command-prompt -Np'(repeat)' -I3 'send -N \"%%%\"'",
"bind -Tcopy-mode-vi 4 command-prompt -Np'(repeat)' -I4 'send -N \"%%%\"'",
"bind -Tcopy-mode-vi 5 command-prompt -Np'(repeat)' -I5 'send -N \"%%%\"'",
"bind -Tcopy-mode-vi 6 command-prompt -Np'(repeat)' -I6 'send -N \"%%%\"'",
"bind -Tcopy-mode-vi 7 command-prompt -Np'(repeat)' -I7 'send -N \"%%%\"'",
"bind -Tcopy-mode-vi 8 command-prompt -Np'(repeat)' -I8 'send -N \"%%%\"'",
"bind -Tcopy-mode-vi 9 command-prompt -Np'(repeat)' -I9 'send -N \"%%%\"'",
"bind -Tcopy-mode-vi : command-prompt -p'(goto line)' 'send -X goto-line \"%%%\"'",
"bind -Tcopy-mode-vi \\; send -X jump-again",
"bind -Tcopy-mode-vi ? command-prompt -p'(search up)' 'send -X search-backward \"%%%\"'",
"bind -Tcopy-mode-vi A send -X append-selection-and-cancel",
"bind -Tcopy-mode-vi B send -X previous-space",
"bind -Tcopy-mode-vi D send -X copy-end-of-line",
"bind -Tcopy-mode-vi E send -X next-space-end",
"bind -Tcopy-mode-vi F command-prompt -1p'(jump backward)' 'send -X jump-backward \"%%%\"'",
"bind -Tcopy-mode-vi G send -X history-bottom",
"bind -Tcopy-mode-vi H send -X top-line",
"bind -Tcopy-mode-vi J send -X scroll-down",
"bind -Tcopy-mode-vi K send -X scroll-up",
"bind -Tcopy-mode-vi L send -X bottom-line",
"bind -Tcopy-mode-vi M send -X middle-line",
"bind -Tcopy-mode-vi N send -X search-reverse",
"bind -Tcopy-mode-vi T command-prompt -1p'(jump to backward)' 'send -X jump-to-backward \"%%%\"'",
"bind -Tcopy-mode-vi V send -X select-line",
"bind -Tcopy-mode-vi W send -X next-space",
"bind -Tcopy-mode-vi ^ send -X back-to-indentation",
"bind -Tcopy-mode-vi b send -X previous-word",
"bind -Tcopy-mode-vi e send -X next-word-end",
"bind -Tcopy-mode-vi f command-prompt -1p'(jump forward)' 'send -X jump-forward \"%%%\"'",
"bind -Tcopy-mode-vi g send -X history-top",
"bind -Tcopy-mode-vi h send -X cursor-left",
"bind -Tcopy-mode-vi j send -X cursor-down",
"bind -Tcopy-mode-vi k send -X cursor-up",
"bind -Tcopy-mode-vi l send -X cursor-right",
"bind -Tcopy-mode-vi n send -X search-again",
"bind -Tcopy-mode-vi o send -X other-end",
"bind -Tcopy-mode-vi q send -X cancel",
"bind -Tcopy-mode-vi t command-prompt -1p'(jump to forward)' 'send -X jump-to-forward \"%%%\"'",
"bind -Tcopy-mode-vi v send -X rectangle-toggle",
"bind -Tcopy-mode-vi w send -X next-word",
"bind -Tcopy-mode-vi { send -X previous-paragraph",
"bind -Tcopy-mode-vi } send -X next-paragraph",
"bind -Tcopy-mode-vi MouseDown1Pane select-pane",
"bind -Tcopy-mode-vi MouseDrag1Pane select-pane\\; send -X begin-selection",
"bind -Tcopy-mode-vi MouseDragEnd1Pane send -X copy-selection-and-cancel",
"bind -Tcopy-mode-vi WheelUpPane select-pane\\; send -N5 -X scroll-up",
"bind -Tcopy-mode-vi WheelDownPane select-pane\\; send -N5 -X scroll-down",
"bind -Tcopy-mode-vi DoubleClick1Pane select-pane\\; send -X select-word",
"bind -Tcopy-mode-vi TripleClick1Pane select-pane\\; send -X select-line",
"bind -Tcopy-mode-vi BSpace send -X cursor-left",
"bind -Tcopy-mode-vi NPage send -X page-down",
"bind -Tcopy-mode-vi PPage send -X page-up",
"bind -Tcopy-mode-vi Up send -X cursor-up",
"bind -Tcopy-mode-vi Down send -X cursor-down",
"bind -Tcopy-mode-vi Left send -X cursor-left",
"bind -Tcopy-mode-vi Right send -X cursor-right",
"bind -Tcopy-mode-vi C-Up send -X scroll-up",
"bind -Tcopy-mode-vi C-Down send -X scroll-down",
};
u_int i;
struct cmd_list *cmdlist;
char *cause;
for (i = 0; i < nitems(defaults); i++) {
cmdlist = cmd_string_parse(defaults[i], "<default>", i, &cause);
if (cmdlist == NULL)
fatalx("bad default key: %s", defaults[i]);
cmdq_append(NULL, cmdq_get_command(cmdlist, NULL, NULL, 0));
cmd_list_free(cmdlist);
}
}
static enum cmd_retval
key_bindings_read_only(struct cmdq_item *item, __unused void *data)
{
cmdq_error(item, "client is read-only");
return (CMD_RETURN_ERROR);
}
void
key_bindings_dispatch(struct key_binding *bd, struct cmdq_item *item,
struct client *c, struct mouse_event *m, struct cmd_find_state *fs)
{
struct cmd *cmd;
struct cmdq_item *new_item;
int readonly;
readonly = 1;
TAILQ_FOREACH(cmd, &bd->cmdlist->list, qentry) {
if (!(cmd->entry->flags & CMD_READONLY))
readonly = 0;
}
if (!readonly && (c->flags & CLIENT_READONLY))
new_item = cmdq_get_callback(key_bindings_read_only, NULL);
else {
new_item = cmdq_get_command(bd->cmdlist, fs, m, 0);
if (bd->flags & KEY_BINDING_REPEAT)
new_item->shared->flags |= CMDQ_SHARED_REPEAT;
}
if (item != NULL)
cmdq_insert_after(item, new_item);
else
cmdq_append(c, new_item);
}