mirror of
https://github.com/tmate-io/tmate.git
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130 lines
3.2 KiB
C
130 lines
3.2 KiB
C
/* $Id: cmd-list-keys.c,v 1.23 2009-11-19 22:15:58 tcunha Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* List key bindings.
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*/
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int cmd_list_keys_exec(struct cmd *, struct cmd_ctx *);
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int cmd_list_keys_table(struct cmd *, struct cmd_ctx *);
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const struct cmd_entry cmd_list_keys_entry = {
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"list-keys", "lsk",
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"[-t key-table]",
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0, "",
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cmd_target_init,
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cmd_target_parse,
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cmd_list_keys_exec,
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cmd_target_free,
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cmd_target_print
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};
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int
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cmd_list_keys_exec(struct cmd *self, struct cmd_ctx *ctx)
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{
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struct cmd_target_data *data = self->data;
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struct key_binding *bd;
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const char *key;
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char tmp[BUFSIZ];
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size_t used;
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int width, keywidth;
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if (data->target != NULL)
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return (cmd_list_keys_table(self, ctx));
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width = 0;
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SPLAY_FOREACH(bd, key_bindings, &key_bindings) {
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key = key_string_lookup_key(bd->key & ~KEYC_PREFIX);
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if (key == NULL)
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continue;
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keywidth = strlen(key) + 1;
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if (!(bd->key & KEYC_PREFIX))
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keywidth += 2;
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if (keywidth > width)
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width = keywidth;
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}
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SPLAY_FOREACH(bd, key_bindings, &key_bindings) {
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key = key_string_lookup_key(bd->key & ~KEYC_PREFIX);
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if (key == NULL)
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continue;
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used = xsnprintf(tmp, sizeof tmp, "%*s: ", width, key);
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if (used >= sizeof tmp)
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continue;
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if (!(bd->key & KEYC_PREFIX)) {
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used = strlcat(tmp, "(no prefix) ", sizeof tmp);
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if (used >= sizeof tmp)
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continue;
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}
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cmd_list_print(bd->cmdlist, tmp + used, (sizeof tmp) - used);
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ctx->print(ctx, "%s", tmp);
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}
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return (0);
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}
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int
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cmd_list_keys_table(struct cmd *self, struct cmd_ctx *ctx)
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{
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struct cmd_target_data *data = self->data;
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const struct mode_key_table *mtab;
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struct mode_key_binding *mbind;
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const char *key, *cmdstr, *mode;
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int width, keywidth;
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if ((mtab = mode_key_findtable(data->target)) == NULL) {
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ctx->error(ctx, "unknown key table: %s", data->target);
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return (-1);
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}
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width = 0;
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SPLAY_FOREACH(mbind, mode_key_tree, mtab->tree) {
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key = key_string_lookup_key(mbind->key);
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if (key == NULL)
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continue;
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keywidth = strlen(key) + 1;
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if (keywidth > width)
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width = keywidth;
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}
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SPLAY_FOREACH(mbind, mode_key_tree, mtab->tree) {
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key = key_string_lookup_key(mbind->key);
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if (key == NULL)
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continue;
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mode = "";
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if (mbind->mode != 0)
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mode = "(command mode) ";
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cmdstr = mode_key_tostring(mtab->cmdstr, mbind->cmd);
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if (cmdstr != NULL)
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ctx->print(ctx, "%*s: %s%s", width, key, mode, cmdstr);
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}
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return (0);
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}
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