1 /* $OpenBSD: cmd-command-prompt.c,v 1.15 2011/01/05 22:38:28 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net> 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 <sys/types.h> 20 21 #include <ctype.h> 22 #include <string.h> 23 24 #include "tmux.h" 25 26 /* 27 * Prompt for command in client. 28 */ 29 30 void cmd_command_prompt_key_binding(struct cmd *, int); 31 int cmd_command_prompt_check(struct args *); 32 int cmd_command_prompt_exec(struct cmd *, struct cmd_ctx *); 33 34 int cmd_command_prompt_callback(void *, const char *); 35 void cmd_command_prompt_free(void *); 36 37 const struct cmd_entry cmd_command_prompt_entry = { 38 "command-prompt", NULL, 39 "p:t:", 0, 1, 40 CMD_TARGET_CLIENT_USAGE " [-p prompts] [template]", 41 0, 42 cmd_command_prompt_key_binding, 43 NULL, 44 cmd_command_prompt_exec 45 }; 46 47 struct cmd_command_prompt_cdata { 48 struct client *c; 49 char *next_prompt; 50 char *prompts; 51 char *template; 52 int idx; 53 }; 54 55 void 56 cmd_command_prompt_key_binding(struct cmd *self, int key) 57 { 58 switch (key) { 59 case ',': 60 self->args = args_create(1, "rename-window '%%'"); 61 break; 62 case '.': 63 self->args = args_create(1, "move-window -t '%%'"); 64 break; 65 case 'f': 66 self->args = args_create(1, "find-window '%%'"); 67 break; 68 case '\'': 69 self->args = args_create(1, "select-window -t ':%%'"); 70 args_set(self->args, 'p', "index"); 71 break; 72 default: 73 self->args = args_create(0); 74 break; 75 } 76 } 77 78 int 79 cmd_command_prompt_exec(struct cmd *self, struct cmd_ctx *ctx) 80 { 81 struct args *args = self->args; 82 const char *prompts; 83 struct cmd_command_prompt_cdata *cdata; 84 struct client *c; 85 char *prompt, *ptr; 86 size_t n; 87 88 if ((c = cmd_find_client(ctx, args_get(args, 't'))) == NULL) 89 return (-1); 90 91 if (c->prompt_string != NULL) 92 return (0); 93 94 cdata = xmalloc(sizeof *cdata); 95 cdata->c = c; 96 cdata->idx = 1; 97 cdata->next_prompt = NULL; 98 cdata->prompts = NULL; 99 cdata->template = NULL; 100 101 if (args->argc != 0) 102 cdata->template = xstrdup(args->argv[0]); 103 else 104 cdata->template = xstrdup("%1"); 105 106 prompts = args_get(args, 'p'); 107 if (prompts != NULL) 108 cdata->prompts = xstrdup(prompts); 109 else if (args->argc != 0) { 110 n = strcspn(cdata->template, " ,"); 111 xasprintf(&cdata->prompts, "(%.*s) ", (int) n, cdata->template); 112 } else 113 cdata->prompts = xstrdup(":"); 114 115 cdata->next_prompt = cdata->prompts; 116 ptr = strsep(&cdata->next_prompt, ","); 117 if (prompts == NULL) 118 prompt = xstrdup(ptr); 119 else 120 xasprintf(&prompt, "%s ", ptr); 121 status_prompt_set(c, prompt, cmd_command_prompt_callback, 122 cmd_command_prompt_free, cdata, 0); 123 xfree(prompt); 124 125 return (0); 126 } 127 128 int 129 cmd_command_prompt_callback(void *data, const char *s) 130 { 131 struct cmd_command_prompt_cdata *cdata = data; 132 struct client *c = cdata->c; 133 struct cmd_list *cmdlist; 134 struct cmd_ctx ctx; 135 char *cause, *newtempl, *prompt, *ptr; 136 137 if (s == NULL) 138 return (0); 139 140 newtempl = cmd_template_replace(cdata->template, s, cdata->idx); 141 xfree(cdata->template); 142 cdata->template = newtempl; 143 144 if ((ptr = strsep(&cdata->next_prompt, ",")) != NULL) { 145 xasprintf(&prompt, "%s ", ptr); 146 status_prompt_update(c, prompt); 147 xfree(prompt); 148 cdata->idx++; 149 return (1); 150 } 151 152 if (cmd_string_parse(newtempl, &cmdlist, &cause) != 0) { 153 if (cause != NULL) { 154 *cause = toupper((u_char) *cause); 155 status_message_set(c, "%s", cause); 156 xfree(cause); 157 } 158 return (0); 159 } 160 161 ctx.msgdata = NULL; 162 ctx.curclient = c; 163 164 ctx.error = key_bindings_error; 165 ctx.print = key_bindings_print; 166 ctx.info = key_bindings_info; 167 168 ctx.cmdclient = NULL; 169 170 cmd_list_exec(cmdlist, &ctx); 171 cmd_list_free(cmdlist); 172 173 if (c->prompt_callbackfn != (void *) &cmd_command_prompt_callback) 174 return (1); 175 return (0); 176 } 177 178 void 179 cmd_command_prompt_free(void *data) 180 { 181 struct cmd_command_prompt_cdata *cdata = data; 182 183 if (cdata->prompts != NULL) 184 xfree(cdata->prompts); 185 if (cdata->template != NULL) 186 xfree(cdata->template); 187 xfree(cdata); 188 } 189