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Annotation of src/usr.bin/tmux/cmd-display-panes.c, Revision 1.18

1.18    ! nicm        1: /* $OpenBSD: cmd-display-panes.c,v 1.17 2017/01/15 22:00:56 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:
1.13      nicm       40:        .args = { "t:", 0, 1 },
1.10      nicm       41:        .usage = CMD_TARGET_CLIENT_USAGE,
                     42:
1.11      nicm       43:        .tflag = CMD_CLIENT,
                     44:
1.14      nicm       45:        .flags = CMD_AFTERHOOK,
1.10      nicm       46:        .exec = cmd_display_panes_exec
1.1       nicm       47: };
                     48:
1.13      nicm       49: static enum cmd_retval
1.16      nicm       50: cmd_display_panes_exec(struct cmd *self, struct cmdq_item *item)
1.1       nicm       51: {
1.13      nicm       52:        struct args     *args = self->args;
1.16      nicm       53:        struct client   *c = item->state.c;
1.13      nicm       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:
1.18    ! nicm       64:        server_client_set_identify(c);
1.1       nicm       65:
1.4       nicm       66:        return (CMD_RETURN_NORMAL);
1.13      nicm       67: }
                     68:
1.15      nicm       69: static enum cmd_retval
1.16      nicm       70: cmd_display_panes_error(struct cmdq_item *item, void *data)
1.15      nicm       71: {
                     72:        char    *error = data;
                     73:
1.16      nicm       74:        cmdq_error(item, "%s", error);
1.15      nicm       75:        free(error);
                     76:
                     77:        return (CMD_RETURN_NORMAL);
                     78: }
                     79:
1.13      nicm       80: static void
                     81: cmd_display_panes_callback(struct client *c, struct window_pane *wp)
                     82: {
1.16      nicm       83:        struct cmd_list         *cmdlist;
                     84:        struct cmdq_item        *new_item;
                     85:        char                    *template, *cmd, *expanded, *cause;
1.13      nicm       86:
                     87:        template = c->identify_callback_data;
1.15      nicm       88:        if (wp == NULL)
                     89:                goto out;
                     90:        xasprintf(&expanded, "%%%u", wp->id);
                     91:        cmd = cmd_template_replace(template, expanded, 1);
                     92:
1.17      nicm       93:        cmdlist = cmd_string_parse(cmd, NULL, 0, &cause);
                     94:        if (cmdlist == NULL) {
1.15      nicm       95:                if (cause != NULL) {
1.16      nicm       96:                        new_item = cmdq_get_callback(cmd_display_panes_error,
1.15      nicm       97:                            cause);
                     98:                } else
1.16      nicm       99:                        new_item = NULL;
1.15      nicm      100:        } else {
1.16      nicm      101:                new_item = cmdq_get_command(cmdlist, NULL, NULL, 0);
1.15      nicm      102:                cmd_list_free(cmdlist);
                    103:        }
1.13      nicm      104:
1.16      nicm      105:        if (new_item != NULL)
                    106:                cmdq_append(c, new_item);
1.15      nicm      107:
                    108:        free(cmd);
                    109:        free(expanded);
1.13      nicm      110:
1.15      nicm      111: out:
1.13      nicm      112:        free(c->identify_callback_data);
                    113:        c->identify_callback_data = NULL;
                    114:        c->identify_callback = NULL;
1.1       nicm      115: }