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Annotation of src/usr.bin/tmux/cmd-display-panes.c, Revision 1.22

1.22    ! kn          1: /* $OpenBSD: cmd-display-panes.c,v 1.21 2018/08/02 07:55:16 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.12      nicm        4:  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1       nicm        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:
1.13      nicm       21: #include <ctype.h>
                     22: #include <stdlib.h>
                     23:
1.1       nicm       24: #include "tmux.h"
                     25:
                     26: /*
                     27:  * Display panes on a client.
                     28:  */
                     29:
1.16      nicm       30: static enum cmd_retval cmd_display_panes_exec(struct cmd *,
                     31:                            struct cmdq_item *);
1.13      nicm       32:
1.16      nicm       33: static void            cmd_display_panes_callback(struct client *,
                     34:                            struct window_pane *);
1.1       nicm       35:
                     36: const struct cmd_entry cmd_display_panes_entry = {
1.10      nicm       37:        .name = "display-panes",
                     38:        .alias = "displayp",
                     39:
1.20      nicm       40:        .args = { "d:t:", 0, 1 },
1.22    ! kn         41:        .usage = "[-d duration] " CMD_TARGET_CLIENT_USAGE " [template]",
1.10      nicm       42:
1.14      nicm       43:        .flags = CMD_AFTERHOOK,
1.10      nicm       44:        .exec = cmd_display_panes_exec
1.1       nicm       45: };
                     46:
1.13      nicm       47: static enum cmd_retval
1.16      nicm       48: cmd_display_panes_exec(struct cmd *self, struct cmdq_item *item)
1.1       nicm       49: {
1.13      nicm       50:        struct args     *args = self->args;
1.19      nicm       51:        struct client   *c;
1.20      nicm       52:        struct session  *s;
                     53:        u_int            delay;
                     54:        char            *cause;
1.19      nicm       55:
                     56:        if ((c = cmd_find_client(item, args_get(args, 't'), 0)) == NULL)
                     57:                return (CMD_RETURN_ERROR);
1.21      nicm       58:        s = c->session;
1.13      nicm       59:
                     60:        if (c->identify_callback != NULL)
                     61:                return (CMD_RETURN_NORMAL);
                     62:
                     63:        c->identify_callback = cmd_display_panes_callback;
                     64:        if (args->argc != 0)
                     65:                c->identify_callback_data = xstrdup(args->argv[0]);
                     66:        else
                     67:                c->identify_callback_data = xstrdup("select-pane -t '%%'");
1.21      nicm       68:        c->identify_callback_item = item;
1.13      nicm       69:
1.20      nicm       70:        if (args_has(args, 'd')) {
                     71:                delay = args_strtonum(args, 'd', 0, UINT_MAX, &cause);
                     72:                if (cause != NULL) {
                     73:                        cmdq_error(item, "delay %s", cause);
                     74:                        free(cause);
                     75:                        return (CMD_RETURN_ERROR);
                     76:                }
                     77:        } else
                     78:                delay = options_get_number(s->options, "display-panes-time");
                     79:        server_client_set_identify(c, delay);
1.1       nicm       80:
1.21      nicm       81:        return (CMD_RETURN_WAIT);
1.13      nicm       82: }
                     83:
1.15      nicm       84: static enum cmd_retval
1.16      nicm       85: cmd_display_panes_error(struct cmdq_item *item, void *data)
1.15      nicm       86: {
                     87:        char    *error = data;
                     88:
1.16      nicm       89:        cmdq_error(item, "%s", error);
1.15      nicm       90:        free(error);
                     91:
                     92:        return (CMD_RETURN_NORMAL);
                     93: }
                     94:
1.13      nicm       95: static void
                     96: cmd_display_panes_callback(struct client *c, struct window_pane *wp)
                     97: {
1.16      nicm       98:        struct cmd_list         *cmdlist;
                     99:        struct cmdq_item        *new_item;
1.21      nicm      100:        char                    *cmd, *expanded, *cause;
1.13      nicm      101:
1.15      nicm      102:        if (wp == NULL)
                    103:                goto out;
1.21      nicm      104:
1.15      nicm      105:        xasprintf(&expanded, "%%%u", wp->id);
1.21      nicm      106:        cmd = cmd_template_replace(c->identify_callback_data, expanded, 1);
1.15      nicm      107:
1.17      nicm      108:        cmdlist = cmd_string_parse(cmd, NULL, 0, &cause);
1.21      nicm      109:        if (cmdlist == NULL && cause != NULL)
                    110:                new_item = cmdq_get_callback(cmd_display_panes_error, cause);
                    111:        else if (cmdlist == NULL)
                    112:                new_item = NULL;
                    113:        else {
1.16      nicm      114:                new_item = cmdq_get_command(cmdlist, NULL, NULL, 0);
1.15      nicm      115:                cmd_list_free(cmdlist);
                    116:        }
1.13      nicm      117:
1.16      nicm      118:        if (new_item != NULL)
1.21      nicm      119:                cmdq_insert_after(c->identify_callback_item, new_item);
1.15      nicm      120:
                    121:        free(cmd);
                    122:        free(expanded);
1.13      nicm      123:
1.15      nicm      124: out:
1.21      nicm      125:        c->identify_callback_item->flags &= ~CMDQ_WAITING;
                    126:        c->identify_callback_item = NULL;
                    127:
1.13      nicm      128:        free(c->identify_callback_data);
                    129:        c->identify_callback_data = NULL;
1.21      nicm      130:
1.13      nicm      131:        c->identify_callback = NULL;
1.1       nicm      132: }