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Annotation of embedaddon/tmux/cmd-choose-client.c, revision 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:  * Enter choice mode to choose a client.
        !            28:  */
        !            29: 
        !            30: #define CHOOSE_CLIENT_TEMPLATE                                 \
        !            31:        "#{client_name}: #{session_name} "                      \
        !            32:        "[#{client_width}x#{client_height} #{client_termname}]" \
        !            33:        "#{?client_utf8, (utf8),}#{?client_readonly, (ro),} "   \
        !            34:        "(last used #{t:client_activity})"
        !            35: 
        !            36: static enum cmd_retval cmd_choose_client_exec(struct cmd *,
        !            37:                            struct cmdq_item *);
        !            38: 
        !            39: static void    cmd_choose_client_callback(struct window_choose_data *);
        !            40: 
        !            41: const struct cmd_entry cmd_choose_client_entry = {
        !            42:        .name = "choose-client",
        !            43:        .alias = NULL,
        !            44: 
        !            45:        .args = { "F:t:", 0, 1 },
        !            46:        .usage = CMD_TARGET_WINDOW_USAGE " [-F format] [template]",
        !            47: 
        !            48:        .tflag = CMD_WINDOW,
        !            49: 
        !            50:        .flags = 0,
        !            51:        .exec = cmd_choose_client_exec
        !            52: };
        !            53: 
        !            54: struct cmd_choose_client_data {
        !            55:        struct client   *client;
        !            56: };
        !            57: 
        !            58: static enum cmd_retval
        !            59: cmd_choose_client_exec(struct cmd *self, struct cmdq_item *item)
        !            60: {
        !            61:        struct args                     *args = self->args;
        !            62:        struct client                   *c = item->state.c;
        !            63:        struct client                   *c1;
        !            64:        struct window_choose_data       *cdata;
        !            65:        struct winlink                  *wl = item->state.tflag.wl;
        !            66:        const char                      *template;
        !            67:        char                            *action;
        !            68:        u_int                            idx, cur;
        !            69: 
        !            70:        if (c == NULL) {
        !            71:                cmdq_error(item, "no client available");
        !            72:                return (CMD_RETURN_ERROR);
        !            73:        }
        !            74: 
        !            75:        if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
        !            76:                return (CMD_RETURN_NORMAL);
        !            77: 
        !            78:        if ((template = args_get(args, 'F')) == NULL)
        !            79:                template = CHOOSE_CLIENT_TEMPLATE;
        !            80: 
        !            81:        if (args->argc != 0)
        !            82:                action = xstrdup(args->argv[0]);
        !            83:        else
        !            84:                action = xstrdup("detach-client -t '%%'");
        !            85: 
        !            86:        cur = idx = 0;
        !            87:        TAILQ_FOREACH(c1, &clients, entry) {
        !            88:                if (c1->session == NULL)
        !            89:                        continue;
        !            90:                if (c1 == item->client)
        !            91:                        cur = idx;
        !            92: 
        !            93:                cdata = window_choose_data_create(TREE_OTHER, c, c->session);
        !            94:                cdata->idx = idx;
        !            95: 
        !            96:                cdata->ft_template = xstrdup(template);
        !            97:                format_add(cdata->ft, "line", "%u", idx);
        !            98:                format_defaults(cdata->ft, c1, NULL, NULL, NULL);
        !            99: 
        !           100:                cdata->command = cmd_template_replace(action, c1->name, 1);
        !           101: 
        !           102:                window_choose_add(wl->window->active, cdata);
        !           103: 
        !           104:                idx++;
        !           105:        }
        !           106:        free(action);
        !           107: 
        !           108:        window_choose_ready(wl->window->active, cur,
        !           109:            cmd_choose_client_callback);
        !           110: 
        !           111:        return (CMD_RETURN_NORMAL);
        !           112: }
        !           113: 
        !           114: static void
        !           115: cmd_choose_client_callback(struct window_choose_data *cdata)
        !           116: {
        !           117:        struct client   *c;
        !           118:        u_int            idx;
        !           119: 
        !           120:        if (cdata == NULL)
        !           121:                return;
        !           122:        if (cdata->start_client->flags & CLIENT_DEAD)
        !           123:                return;
        !           124: 
        !           125:        idx = 0;
        !           126:        TAILQ_FOREACH(c, &clients, entry) {
        !           127:                if (idx == cdata->idx)
        !           128:                        break;
        !           129:                idx++;
        !           130:        }
        !           131:        if (c == NULL || c->session == NULL)
        !           132:                return;
        !           133: 
        !           134:        window_choose_data_run(cdata);
        !           135: }