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https://github.com/tmate-io/tmate.git
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09cbd0c695
response and reserve NULL for an explicit cancel. Change all callbacks to treat them the same so no functional change. Also add cancel key bindings to emacs mode which were missing.
149 lines
3.3 KiB
C
149 lines
3.3 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
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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 <ctype.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Asks for confirmation before executing a command.
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*/
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int cmd_confirm_before_exec(struct cmd *, struct cmd_ctx *);
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void cmd_confirm_before_init(struct cmd *, int);
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int cmd_confirm_before_callback(void *, const char *);
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void cmd_confirm_before_free(void *);
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const struct cmd_entry cmd_confirm_before_entry = {
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"confirm-before", "confirm",
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CMD_TARGET_CLIENT_USAGE " command",
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CMD_ARG1, 0,
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cmd_confirm_before_init,
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cmd_target_parse,
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cmd_confirm_before_exec,
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cmd_target_free,
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cmd_target_print
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};
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struct cmd_confirm_before_data {
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struct client *c;
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char *cmd;
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};
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void
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cmd_confirm_before_init(struct cmd *self, int key)
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{
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struct cmd_target_data *data;
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cmd_target_init(self, key);
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data = self->data;
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switch (key) {
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case '&':
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data->arg = xstrdup("kill-window");
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break;
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case 'x':
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data->arg = xstrdup("kill-pane");
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break;
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}
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}
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int
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cmd_confirm_before_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 cmd_confirm_before_data *cdata;
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struct client *c;
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char *buf, *cmd, *ptr;
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if (ctx->curclient == NULL) {
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ctx->error(ctx, "must be run interactively");
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return (-1);
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}
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if ((c = cmd_find_client(ctx, data->target)) == NULL)
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return (-1);
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ptr = xstrdup(data->arg);
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if ((cmd = strtok(ptr, " \t")) == NULL)
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cmd = ptr;
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xasprintf(&buf, "Confirm '%s'? (y/n) ", cmd);
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xfree(ptr);
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cdata = xmalloc(sizeof *cdata);
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cdata->cmd = xstrdup(data->arg);
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cdata->c = c;
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status_prompt_set(cdata->c, buf,
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cmd_confirm_before_callback, cmd_confirm_before_free, cdata,
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PROMPT_SINGLE);
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xfree(buf);
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return (1);
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}
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int
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cmd_confirm_before_callback(void *data, const char *s)
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{
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struct cmd_confirm_before_data *cdata = data;
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struct client *c = cdata->c;
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struct cmd_list *cmdlist;
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struct cmd_ctx ctx;
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char *cause;
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if (s == NULL || *s == '\0')
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return (0);
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if (tolower((u_char) s[0]) != 'y' || s[1] != '\0')
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return (0);
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if (cmd_string_parse(cdata->cmd, &cmdlist, &cause) != 0) {
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if (cause != NULL) {
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*cause = toupper((u_char) *cause);
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status_message_set(c, "%s", cause);
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xfree(cause);
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}
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return (0);
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}
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ctx.msgdata = NULL;
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ctx.cursession = c->session;
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ctx.curclient = c;
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ctx.error = key_bindings_error;
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ctx.print = key_bindings_print;
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ctx.info = key_bindings_info;
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ctx.cmdclient = NULL;
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cmd_list_exec(cmdlist, &ctx);
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cmd_list_free(cmdlist);
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return (0);
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}
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void
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cmd_confirm_before_free(void *data)
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{
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struct cmd_confirm_before_data *cdata = data;
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if (cdata->cmd != NULL)
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xfree(cdata->cmd);
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xfree(cdata);
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}
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