1 /* $OpenBSD: cmd-command-prompt.c,v 1.1 2009/06/01 22:58:49 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_init(struct cmd *, int); 31 int cmd_command_prompt_exec(struct cmd *, struct cmd_ctx *); 32 33 int cmd_command_prompt_callback(void *, const char *); 34 35 const struct cmd_entry cmd_command_prompt_entry = { 36 "command-prompt", NULL, 37 CMD_TARGET_CLIENT_USAGE " [template]", 38 CMD_ARG01, 39 cmd_command_prompt_init, 40 cmd_target_parse, 41 cmd_command_prompt_exec, 42 cmd_target_send, 43 cmd_target_recv, 44 cmd_target_free, 45 cmd_target_print 46 }; 47 48 struct cmd_command_prompt_data { 49 struct client *c; 50 char *template; 51 }; 52 53 void 54 cmd_command_prompt_init(struct cmd *self, int key) 55 { 56 struct cmd_target_data *data; 57 58 cmd_target_init(self, key); 59 data = self->data; 60 61 switch (key) { 62 case ',': 63 data->arg = xstrdup("rename-window '%%'"); 64 break; 65 case '.': 66 data->arg = xstrdup("move-window -t '%%'"); 67 break; 68 case 'f': 69 data->arg = xstrdup("find-window '%%'"); 70 break; 71 } 72 } 73 74 int 75 cmd_command_prompt_exec(struct cmd *self, struct cmd_ctx *ctx) 76 { 77 struct cmd_target_data *data = self->data; 78 struct cmd_command_prompt_data *cdata; 79 struct client *c; 80 char *hdr, *ptr; 81 82 if ((c = cmd_find_client(ctx, data->target)) == NULL) 83 return (-1); 84 85 if (c->prompt_string != NULL) 86 return (0); 87 88 cdata = xmalloc(sizeof *cdata); 89 cdata->c = c; 90 if (data->arg != NULL) { 91 cdata->template = xstrdup(data->arg); 92 if ((ptr = strchr(data->arg, ' ')) == NULL) 93 ptr = strchr(data->arg, '\0'); 94 xasprintf(&hdr, "(%.*s) ", (int) (ptr - data->arg), data->arg); 95 } else { 96 cdata->template = NULL; 97 hdr = xstrdup(":"); 98 } 99 status_prompt_set(c, hdr, cmd_command_prompt_callback, cdata, 0); 100 xfree(hdr); 101 102 return (0); 103 } 104 105 int 106 cmd_command_prompt_callback(void *data, const char *s) 107 { 108 struct cmd_command_prompt_data *cdata = data; 109 struct client *c = cdata->c; 110 struct cmd_list *cmdlist; 111 struct cmd_ctx ctx; 112 char *cause, *ptr, *buf, ch; 113 size_t len, slen; 114 115 if (s == NULL) { 116 xfree(cdata); 117 return (0); 118 } 119 slen = strlen(s); 120 121 len = 0; 122 buf = NULL; 123 if (cdata->template != NULL) { 124 ptr = cdata->template; 125 while (*ptr != '\0') { 126 switch (ch = *ptr++) { 127 case '%': 128 if (*ptr != '%') 129 break; 130 ptr++; 131 132 buf = xrealloc(buf, 1, len + slen + 1); 133 memcpy(buf + len, s, slen); 134 len += slen; 135 break; 136 default: 137 buf = xrealloc(buf, 1, len + 2); 138 buf[len++] = ch; 139 break; 140 } 141 } 142 xfree(cdata->template); 143 144 buf[len] = '\0'; 145 s = buf; 146 } 147 xfree(cdata); 148 149 if (cmd_string_parse(s, &cmdlist, &cause) != 0) { 150 if (cause == NULL) 151 return (0); 152 *cause = toupper((u_char) *cause); 153 status_message_set(c, cause); 154 xfree(cause); 155 cmdlist = NULL; 156 } 157 if (buf != NULL) 158 xfree(buf); 159 if (cmdlist == NULL) 160 return (0); 161 162 ctx.msgdata = NULL; 163 ctx.cursession = c->session; 164 ctx.curclient = c; 165 166 ctx.error = key_bindings_error; 167 ctx.print = key_bindings_print; 168 ctx.info = key_bindings_info; 169 170 ctx.cmdclient = NULL; 171 172 cmd_list_exec(cmdlist, &ctx); 173 cmd_list_free(cmdlist); 174 175 if (c->prompt_callback != (void *) &cmd_command_prompt_callback) 176 return (1); 177 return (0); 178 } 179