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Annotation of src/usr.bin/tmux/cmd-choose-list.c, Revision 1.1

1.1     ! nicm        1: /* $Id$ */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 2012 Thomas Adam <thomas@xteddy.org>
        !             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 <string.h>
        !            25:
        !            26: #include "tmux.h"
        !            27:
        !            28: #define CMD_CHOOSE_LIST_DEFAULT_TEMPLATE "run-shell '%%'"
        !            29:
        !            30: /*
        !            31:  * Enter choose mode to choose a custom list.
        !            32:  */
        !            33:
        !            34: enum cmd_retval cmd_choose_list_exec(struct cmd *, struct cmd_ctx *);
        !            35:
        !            36: void cmd_choose_list_callback(struct window_choose_data *);
        !            37: void cmd_choose_list_free(struct window_choose_data *);
        !            38:
        !            39: const struct cmd_entry cmd_choose_list_entry = {
        !            40:        "choose-list", NULL,
        !            41:        "l:t:", 0, 1,
        !            42:        "[-l items] " CMD_TARGET_WINDOW_USAGE "[template]",
        !            43:        0,
        !            44:        NULL,
        !            45:        NULL,
        !            46:        cmd_choose_list_exec
        !            47: };
        !            48:
        !            49: enum cmd_retval
        !            50: cmd_choose_list_exec(struct cmd *self, struct cmd_ctx *ctx)
        !            51: {
        !            52:        struct args                     *args = self->args;
        !            53:        struct winlink                  *wl;
        !            54:        const char                      *lists;
        !            55:        char                            *template, *list, *copy, *lists1;
        !            56:        u_int                            idx;
        !            57:
        !            58:        if (ctx->curclient == NULL) {
        !            59:                ctx->error(ctx, "must be run interactively");
        !            60:                return (CMD_RETURN_ERROR);
        !            61:        }
        !            62:
        !            63:        if ((lists = args_get(args, 'l')) == NULL)
        !            64:                return (CMD_RETURN_ERROR);
        !            65:
        !            66:        if ((wl = cmd_find_window(ctx, args_get(args, 't'), NULL)) == NULL)
        !            67:                return (CMD_RETURN_ERROR);
        !            68:
        !            69:        if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
        !            70:                return (CMD_RETURN_NORMAL);
        !            71:
        !            72:        if (args->argc != 0)
        !            73:                template = xstrdup(args->argv[0]);
        !            74:        else
        !            75:                template = xstrdup(CMD_CHOOSE_LIST_DEFAULT_TEMPLATE);
        !            76:
        !            77:        copy = lists1 = xstrdup(lists);
        !            78:        idx = 0;
        !            79:        while ((list = strsep(&lists1, ",")) != NULL)
        !            80:        {
        !            81:                if (*list == '\0') /* no empty entries */
        !            82:                        continue;
        !            83:                window_choose_add_item(wl->window->active, ctx, wl, list,
        !            84:                    template, idx);
        !            85:                idx++;
        !            86:        }
        !            87:        free(copy);
        !            88:
        !            89:        window_choose_ready(wl->window->active, 0, cmd_choose_list_callback,
        !            90:            cmd_choose_list_free);
        !            91:
        !            92:        free(template);
        !            93:
        !            94:        return (CMD_RETURN_NORMAL);
        !            95: }
        !            96:
        !            97: void
        !            98: cmd_choose_list_callback(struct window_choose_data *cdata)
        !            99: {
        !           100:        if (cdata == NULL || (cdata->client->flags & CLIENT_DEAD))
        !           101:                return;
        !           102:
        !           103:        window_choose_ctx(cdata);
        !           104: }
        !           105:
        !           106: void
        !           107: cmd_choose_list_free(struct window_choose_data *cdata)
        !           108: {
        !           109:        cdata->session->references--;
        !           110:        cdata->client->references--;
        !           111:
        !           112:        free(cdata->ft_template);
        !           113:        free(cdata->command);
        !           114:        format_free(cdata->ft);
        !           115:        free(cdata);
        !           116:
        !           117: }