Annotation of src/usr.bin/tmux/cmd-confirm-before.c, Revision 1.20
1.20 ! nicm 1: /* $OpenBSD: cmd-confirm-before.c,v 1.19 2013/03/24 09:54:10 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <ctype.h>
1.13 nicm 20: #include <stdlib.h>
1.1 nicm 21: #include <string.h>
22:
23: #include "tmux.h"
24:
25: /*
26: * Asks for confirmation before executing a command.
27: */
28:
1.14 nicm 29: void cmd_confirm_before_key_binding(struct cmd *, int);
1.19 nicm 30: enum cmd_retval cmd_confirm_before_exec(struct cmd *, struct cmd_q *);
1.1 nicm 31:
1.14 nicm 32: int cmd_confirm_before_callback(void *, const char *);
33: void cmd_confirm_before_free(void *);
1.1 nicm 34:
35: const struct cmd_entry cmd_confirm_before_entry = {
36: "confirm-before", "confirm",
1.12 nicm 37: "p:t:", 1, 1,
38: "[-p prompt] " CMD_TARGET_CLIENT_USAGE " command",
1.10 nicm 39: 0,
40: cmd_confirm_before_key_binding,
41: cmd_confirm_before_exec
1.1 nicm 42: };
43:
1.4 nicm 44: struct cmd_confirm_before_data {
45: char *cmd;
1.19 nicm 46: struct client *client;
1.4 nicm 47: };
48:
1.1 nicm 49: void
1.10 nicm 50: cmd_confirm_before_key_binding(struct cmd *self, int key)
1.1 nicm 51: {
52: switch (key) {
53: case '&':
1.10 nicm 54: self->args = args_create(1, "kill-window");
1.12 nicm 55: args_set(self->args, 'p', "kill-window #W? (y/n)");
1.1 nicm 56: break;
57: case 'x':
1.10 nicm 58: self->args = args_create(1, "kill-pane");
1.12 nicm 59: args_set(self->args, 'p', "kill-pane #P? (y/n)");
1.10 nicm 60: break;
61: default:
62: self->args = args_create(0);
1.1 nicm 63: break;
64: }
65: }
66:
1.14 nicm 67: enum cmd_retval
1.19 nicm 68: cmd_confirm_before_exec(struct cmd *self, struct cmd_q *cmdq)
1.1 nicm 69: {
1.10 nicm 70: struct args *args = self->args;
1.1 nicm 71: struct cmd_confirm_before_data *cdata;
72: struct client *c;
1.12 nicm 73: char *cmd, *copy, *new_prompt, *ptr;
74: const char *prompt;
1.1 nicm 75:
1.19 nicm 76: if ((c = cmd_find_client(cmdq, args_get(args, 't'), 0)) == NULL)
1.14 nicm 77: return (CMD_RETURN_ERROR);
1.1 nicm 78:
1.12 nicm 79: if ((prompt = args_get(args, 'p')) != NULL)
80: xasprintf(&new_prompt, "%s ", prompt);
81: else {
82: ptr = copy = xstrdup(args->argv[0]);
83: cmd = strsep(&ptr, " \t");
84: xasprintf(&new_prompt, "Confirm '%s'? (y/n) ", cmd);
1.13 nicm 85: free(copy);
1.12 nicm 86: }
1.1 nicm 87:
88: cdata = xmalloc(sizeof *cdata);
1.10 nicm 89: cdata->cmd = xstrdup(args->argv[0]);
1.19 nicm 90:
91: cdata->client = c;
92: cdata->client->references++;
93:
94: status_prompt_set(c, new_prompt, NULL,
1.12 nicm 95: cmd_confirm_before_callback, cmd_confirm_before_free, cdata,
96: PROMPT_SINGLE);
1.1 nicm 97:
1.13 nicm 98: free(new_prompt);
1.19 nicm 99: return (CMD_RETURN_NORMAL);
1.1 nicm 100: }
101:
102: int
103: cmd_confirm_before_callback(void *data, const char *s)
104: {
105: struct cmd_confirm_before_data *cdata = data;
1.19 nicm 106: struct client *c = cdata->client;
1.1 nicm 107: struct cmd_list *cmdlist;
108: char *cause;
109:
1.19 nicm 110: if (c->flags & CLIENT_DEAD)
111: return (0);
112:
1.7 nicm 113: if (s == NULL || *s == '\0')
114: return (0);
115: if (tolower((u_char) s[0]) != 'y' || s[1] != '\0')
1.4 nicm 116: return (0);
1.1 nicm 117:
1.19 nicm 118: if (cmd_string_parse(cdata->cmd, &cmdlist, NULL, 0, &cause) != 0) {
1.1 nicm 119: if (cause != NULL) {
1.19 nicm 120: cmdq_error(c->cmdq, "%s", cause);
1.13 nicm 121: free(cause);
1.1 nicm 122: }
1.4 nicm 123: return (0);
1.1 nicm 124: }
125:
1.19 nicm 126: cmdq_run(c->cmdq, cmdlist);
1.1 nicm 127: cmd_list_free(cmdlist);
128:
1.4 nicm 129: return (0);
130: }
131:
132: void
133: cmd_confirm_before_free(void *data)
134: {
135: struct cmd_confirm_before_data *cdata = data;
1.19 nicm 136: struct client *c = cdata->client;
137:
138: c->references--;
1.4 nicm 139:
1.13 nicm 140: free(cdata->cmd);
141: free(cdata);
1.1 nicm 142: }