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Annotation of embedaddon/tmux/cmd-display-panes.c, revision 1.1.1.1

1.1       misho       1: /* $OpenBSD$ */
                      2: 
                      3: /*
                      4:  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
                      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 <stdlib.h>
                     23: 
                     24: #include "tmux.h"
                     25: 
                     26: /*
                     27:  * Display panes on a client.
                     28:  */
                     29: 
                     30: static enum cmd_retval cmd_display_panes_exec(struct cmd *,
                     31:                            struct cmdq_item *);
                     32: 
                     33: static void            cmd_display_panes_callback(struct client *,
                     34:                            struct window_pane *);
                     35: 
                     36: const struct cmd_entry cmd_display_panes_entry = {
                     37:        .name = "display-panes",
                     38:        .alias = "displayp",
                     39: 
                     40:        .args = { "t:", 0, 1 },
                     41:        .usage = CMD_TARGET_CLIENT_USAGE,
                     42: 
                     43:        .tflag = CMD_CLIENT,
                     44: 
                     45:        .flags = CMD_AFTERHOOK,
                     46:        .exec = cmd_display_panes_exec
                     47: };
                     48: 
                     49: static enum cmd_retval
                     50: cmd_display_panes_exec(struct cmd *self, struct cmdq_item *item)
                     51: {
                     52:        struct args     *args = self->args;
                     53:        struct client   *c = item->state.c;
                     54: 
                     55:        if (c->identify_callback != NULL)
                     56:                return (CMD_RETURN_NORMAL);
                     57: 
                     58:        c->identify_callback = cmd_display_panes_callback;
                     59:        if (args->argc != 0)
                     60:                c->identify_callback_data = xstrdup(args->argv[0]);
                     61:        else
                     62:                c->identify_callback_data = xstrdup("select-pane -t '%%'");
                     63: 
                     64:        server_client_set_identify(c);
                     65: 
                     66:        return (CMD_RETURN_NORMAL);
                     67: }
                     68: 
                     69: static enum cmd_retval
                     70: cmd_display_panes_error(struct cmdq_item *item, void *data)
                     71: {
                     72:        char    *error = data;
                     73: 
                     74:        cmdq_error(item, "%s", error);
                     75:        free(error);
                     76: 
                     77:        return (CMD_RETURN_NORMAL);
                     78: }
                     79: 
                     80: static void
                     81: cmd_display_panes_callback(struct client *c, struct window_pane *wp)
                     82: {
                     83:        struct cmd_list         *cmdlist;
                     84:        struct cmdq_item        *new_item;
                     85:        char                    *template, *cmd, *expanded, *cause;
                     86: 
                     87:        template = c->identify_callback_data;
                     88:        if (wp == NULL)
                     89:                goto out;
                     90:        xasprintf(&expanded, "%%%u", wp->id);
                     91:        cmd = cmd_template_replace(template, expanded, 1);
                     92: 
                     93:        cmdlist = cmd_string_parse(cmd, NULL, 0, &cause);
                     94:        if (cmdlist == NULL) {
                     95:                if (cause != NULL) {
                     96:                        new_item = cmdq_get_callback(cmd_display_panes_error,
                     97:                            cause);
                     98:                } else
                     99:                        new_item = NULL;
                    100:        } else {
                    101:                new_item = cmdq_get_command(cmdlist, NULL, NULL, 0);
                    102:                cmd_list_free(cmdlist);
                    103:        }
                    104: 
                    105:        if (new_item != NULL)
                    106:                cmdq_append(c, new_item);
                    107: 
                    108:        free(cmd);
                    109:        free(expanded);
                    110: 
                    111: out:
                    112:        free(c->identify_callback_data);
                    113:        c->identify_callback_data = NULL;
                    114:        c->identify_callback = NULL;
                    115: }