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Annotation of src/usr.bin/tmux/cmd-choose-list.c, Revision 1.3

1.3     ! nicm        1: /* $Id: cmd-choose-list.c,v 1.2 2012/09/03 10:02:39 nicm Exp $ */
1.1       nicm        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;
1.2       nicm       54:        const char                      *list1;
                     55:        char                            *template, *item, *copy, *list;
1.1       nicm       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:
1.2       nicm       63:        if ((list1 = args_get(args, 'l')) == NULL)
1.1       nicm       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:
1.2       nicm       77:        copy = list = xstrdup(list1);
1.1       nicm       78:        idx = 0;
1.2       nicm       79:        while ((item = strsep(&list, ",")) != NULL)
1.1       nicm       80:        {
1.2       nicm       81:                if (*item == '\0') /* no empty entries */
1.1       nicm       82:                        continue;
1.2       nicm       83:                window_choose_add_item(wl->window->active, ctx, wl, item,
1.1       nicm       84:                    template, idx);
                     85:                idx++;
                     86:        }
                     87:        free(copy);
1.3     ! nicm       88:
        !            89:        if (idx == 0) {
        !            90:                free(template);
        !            91:                window_pane_reset_mode(wl->window->active);
        !            92:                return (CMD_RETURN_ERROR);
        !            93:        }
1.1       nicm       94:
                     95:        window_choose_ready(wl->window->active, 0, cmd_choose_list_callback,
                     96:            cmd_choose_list_free);
                     97:
                     98:        free(template);
                     99:
                    100:        return (CMD_RETURN_NORMAL);
                    101: }
                    102:
                    103: void
                    104: cmd_choose_list_callback(struct window_choose_data *cdata)
                    105: {
                    106:        if (cdata == NULL || (cdata->client->flags & CLIENT_DEAD))
                    107:                return;
                    108:
                    109:        window_choose_ctx(cdata);
                    110: }
                    111:
                    112: void
                    113: cmd_choose_list_free(struct window_choose_data *cdata)
                    114: {
                    115:        cdata->session->references--;
                    116:        cdata->client->references--;
                    117:
                    118:        free(cdata->ft_template);
                    119:        free(cdata->command);
                    120:        format_free(cdata->ft);
                    121:        free(cdata);
                    122:
                    123: }