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/* $OpenBSD: key-bindings.c,v 1.27 2011/01/04 00:42:47 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* 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"
SPLAY_GENERATE(key_bindings, key_binding, entry, key_bindings_cmp);
struct key_bindings key_bindings;
struct key_bindings dead_key_bindings;
int
key_bindings_cmp(struct key_binding *bd1, struct key_binding *bd2)
{
int key1, key2;
key1 = bd1->key & ~KEYC_PREFIX;
key2 = bd2->key & ~KEYC_PREFIX;
if (key1 != key2)
return (key1 - key2);
if (bd1->key & KEYC_PREFIX && !(bd2->key & KEYC_PREFIX))
return (-1);
if (bd2->key & KEYC_PREFIX && !(bd1->key & KEYC_PREFIX))
return (1);
return (0);
}
struct key_binding *
key_bindings_lookup(int key)
{
struct key_binding bd;
bd.key = key;
return (SPLAY_FIND(key_bindings, &key_bindings, &bd));
}
void
key_bindings_add(int key, int can_repeat, struct cmd_list *cmdlist)
{
struct key_binding *bd;
key_bindings_remove(key);
bd = xmalloc(sizeof *bd);
bd->key = key;
SPLAY_INSERT(key_bindings, &key_bindings, bd);
bd->can_repeat = can_repeat;
bd->cmdlist = cmdlist;
}
void
key_bindings_remove(int key)
{
struct key_binding *bd;
if ((bd = key_bindings_lookup(key)) == NULL)
return;
SPLAY_REMOVE(key_bindings, &key_bindings, bd);
SPLAY_INSERT(key_bindings, &dead_key_bindings, bd);
}
void
key_bindings_clean(void)
{
struct key_binding *bd;
while (!SPLAY_EMPTY(&dead_key_bindings)) {
bd = SPLAY_ROOT(&dead_key_bindings);
SPLAY_REMOVE(key_bindings, &dead_key_bindings, bd);
cmd_list_free(bd->cmdlist);
xfree(bd);
}
}
void
key_bindings_init(void)
{
static const struct {
int key;
int can_repeat;
const struct cmd_entry *entry;
} table[] = {
{ ' ', 0, &cmd_next_layout_entry },
{ '!', 0, &cmd_break_pane_entry },
{ '"', 0, &cmd_split_window_entry },
{ '#', 0, &cmd_list_buffers_entry },
{ '%', 0, &cmd_split_window_entry },
{ '&', 0, &cmd_confirm_before_entry },
{ '(', 0, &cmd_switch_client_entry },
{ ')', 0, &cmd_switch_client_entry },
{ ',', 0, &cmd_command_prompt_entry },
{ '-', 0, &cmd_delete_buffer_entry },
{ '.', 0, &cmd_command_prompt_entry },
{ '0', 0, &cmd_select_window_entry },
{ '1', 0, &cmd_select_window_entry },
{ '2', 0, &cmd_select_window_entry },
{ '3', 0, &cmd_select_window_entry },
{ '4', 0, &cmd_select_window_entry },
{ '5', 0, &cmd_select_window_entry },
{ '6', 0, &cmd_select_window_entry },
{ '7', 0, &cmd_select_window_entry },
{ '8', 0, &cmd_select_window_entry },
{ '9', 0, &cmd_select_window_entry },
{ ':', 0, &cmd_command_prompt_entry },
{ ';', 0, &cmd_last_pane_entry },
{ '=', 0, &cmd_choose_buffer_entry },
{ '?', 0, &cmd_list_keys_entry },
{ 'D', 0, &cmd_choose_client_entry },
{ 'L', 0, &cmd_switch_client_entry },
{ '[', 0, &cmd_copy_mode_entry },
{ '\'', 0, &cmd_command_prompt_entry },
{ '\002', /* C-b */ 0, &cmd_send_prefix_entry },
{ '\017', /* C-o */ 0, &cmd_rotate_window_entry },
{ '\032', /* C-z */ 0, &cmd_suspend_client_entry },
{ ']', 0, &cmd_paste_buffer_entry },
{ 'c', 0, &cmd_new_window_entry },
{ 'd', 0, &cmd_detach_client_entry },
{ 'f', 0, &cmd_command_prompt_entry },
{ 'i', 0, &cmd_display_message_entry },
{ 'l', 0, &cmd_last_window_entry },
{ 'n', 0, &cmd_next_window_entry },
{ 'o', 0, &cmd_select_pane_entry },
{ 'p', 0, &cmd_previous_window_entry },
{ 'q', 0, &cmd_display_panes_entry },
{ 'r', 0, &cmd_refresh_client_entry },
{ 's', 0, &cmd_choose_session_entry },
{ 't', 0, &cmd_clock_mode_entry },
{ 'w', 0, &cmd_choose_window_entry },
{ 'x', 0, &cmd_confirm_before_entry },
{ '{', 0, &cmd_swap_pane_entry },
{ '}', 0, &cmd_swap_pane_entry },
{ '~', 0, &cmd_show_messages_entry },
{ '1' | KEYC_ESCAPE, 0, &cmd_select_layout_entry },
{ '2' | KEYC_ESCAPE, 0, &cmd_select_layout_entry },
{ '3' | KEYC_ESCAPE, 0, &cmd_select_layout_entry },
{ '4' | KEYC_ESCAPE, 0, &cmd_select_layout_entry },
{ '5' | KEYC_ESCAPE, 0, &cmd_select_layout_entry },
{ KEYC_PPAGE, 0, &cmd_copy_mode_entry },
{ 'n' | KEYC_ESCAPE, 0, &cmd_next_window_entry },
{ 'o' | KEYC_ESCAPE, 0, &cmd_rotate_window_entry },
{ 'p' | KEYC_ESCAPE, 0, &cmd_previous_window_entry },
{ KEYC_UP, 1, &cmd_select_pane_entry },
{ KEYC_DOWN, 1, &cmd_select_pane_entry },
{ KEYC_LEFT, 1, &cmd_select_pane_entry },
{ KEYC_RIGHT, 1, &cmd_select_pane_entry },
{ KEYC_UP | KEYC_ESCAPE, 1, &cmd_resize_pane_entry },
{ KEYC_DOWN | KEYC_ESCAPE, 1, &cmd_resize_pane_entry },
{ KEYC_LEFT | KEYC_ESCAPE, 1, &cmd_resize_pane_entry },
{ KEYC_RIGHT | KEYC_ESCAPE, 1, &cmd_resize_pane_entry },
{ KEYC_UP | KEYC_CTRL, 1, &cmd_resize_pane_entry },
{ KEYC_DOWN | KEYC_CTRL, 1, &cmd_resize_pane_entry },
{ KEYC_LEFT | KEYC_CTRL, 1, &cmd_resize_pane_entry },
{ KEYC_RIGHT | KEYC_CTRL, 1, &cmd_resize_pane_entry },
};
u_int i;
struct cmd *cmd;
struct cmd_list *cmdlist;
SPLAY_INIT(&key_bindings);
for (i = 0; i < nitems(table); i++) {
cmdlist = xmalloc(sizeof *cmdlist);
TAILQ_INIT(&cmdlist->list);
cmdlist->references = 1;
cmd = xmalloc(sizeof *cmd);
cmd->entry = table[i].entry;
if (cmd->entry->key_binding != NULL)
cmd->entry->key_binding(cmd, table[i].key);
else
cmd->args = args_create(0);
TAILQ_INSERT_HEAD(&cmdlist->list, cmd, qentry);
key_bindings_add(
table[i].key | KEYC_PREFIX, table[i].can_repeat, cmdlist);
}
}
void printflike2
key_bindings_error(struct cmd_ctx *ctx, const char *fmt, ...)
{
va_list ap;
char *msg;
va_start(ap, fmt);
xvasprintf(&msg, fmt, ap);
va_end(ap);
*msg = toupper((u_char) *msg);
status_message_set(ctx->curclient, "%s", msg);
xfree(msg);
}
void printflike2
key_bindings_print(struct cmd_ctx *ctx, const char *fmt, ...)
{
struct winlink *wl = ctx->curclient->session->curw;
va_list ap;
if (wl->window->active->mode != &window_copy_mode) {
window_pane_reset_mode(wl->window->active);
window_pane_set_mode(wl->window->active, &window_copy_mode);
window_copy_init_for_output(wl->window->active);
}
va_start(ap, fmt);
window_copy_vadd(wl->window->active, fmt, ap);
va_end(ap);
}
void printflike2
key_bindings_info(struct cmd_ctx *ctx, const char *fmt, ...)
{
va_list ap;
char *msg;
if (options_get_number(&global_options, "quiet"))
return;
va_start(ap, fmt);
xvasprintf(&msg, fmt, ap);
va_end(ap);
*msg = toupper((u_char) *msg);
status_message_set(ctx->curclient, "%s", msg);
xfree(msg);
}
void
key_bindings_dispatch(struct key_binding *bd, struct client *c)
{
struct cmd_ctx ctx;
struct cmd *cmd;
int readonly;
ctx.msgdata = NULL;
ctx.curclient = c;
ctx.error = key_bindings_error;
ctx.print = key_bindings_print;
ctx.info = key_bindings_info;
ctx.cmdclient = NULL;
readonly = 1;
TAILQ_FOREACH(cmd, &bd->cmdlist->list, qentry) {
if (!(cmd->entry->flags & CMD_READONLY))
readonly = 0;
}
if (!readonly && c->flags & CLIENT_READONLY) {
key_bindings_info(&ctx, "Client is read-only");
return;
}
cmd_list_exec(bd->cmdlist, &ctx);
}
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