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

1.3     ! nicm        1: /* $OpenBSD: cmd-choose-client.c,v 1.2 2009/08/25 13:32:14 nicm Exp $ */
1.1       nicm        2:
                      3: /*
                      4:  * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
                      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>
1.2       nicm       20:
                     21: #include <ctype.h>
1.1       nicm       22:
                     23: #include "tmux.h"
                     24:
                     25: /*
                     26:  * Enter choice mode to choose a client.
                     27:  */
                     28:
                     29: int    cmd_choose_client_exec(struct cmd *, struct cmd_ctx *);
                     30:
                     31: void   cmd_choose_client_callback(void *, int);
                     32: void   cmd_choose_client_free(void *);
                     33:
                     34: const struct cmd_entry cmd_choose_client_entry = {
                     35:        "choose-client", NULL,
                     36:        CMD_TARGET_WINDOW_USAGE " [template]",
                     37:        CMD_ARG01, 0,
                     38:        cmd_target_init,
                     39:        cmd_target_parse,
                     40:        cmd_choose_client_exec,
                     41:        cmd_target_free,
                     42:        cmd_target_print
                     43: };
                     44:
                     45: struct cmd_choose_client_data {
1.3     ! nicm       46:        struct client   *client;
1.1       nicm       47:        char            *template;
                     48: };
                     49:
                     50: int
                     51: cmd_choose_client_exec(struct cmd *self, struct cmd_ctx *ctx)
                     52: {
                     53:        struct cmd_target_data          *data = self->data;
                     54:        struct cmd_choose_client_data   *cdata;
                     55:        struct winlink                  *wl;
                     56:        struct client                   *c;
                     57:        u_int                            i, idx, cur;
                     58:
                     59:        if (ctx->curclient == NULL) {
                     60:                ctx->error(ctx, "must be run interactively");
                     61:                return (-1);
                     62:        }
                     63:
                     64:        if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
                     65:                return (-1);
                     66:
                     67:        if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
                     68:                return (0);
                     69:
                     70:        cur = idx = 0;
                     71:        for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
                     72:                c = ARRAY_ITEM(&clients, i);
                     73:                if (c == NULL || c->session == NULL)
                     74:                        continue;
                     75:                if (c == ctx->curclient)
                     76:                        cur = idx;
                     77:                idx++;
                     78:
                     79:                window_choose_add(wl->window->active, i,
                     80:                    "%s: %s [%ux%u %s]%s", c->tty.path,
                     81:                    c->session->name, c->tty.sx, c->tty.sy,
                     82:                    c->tty.termname, c->tty.flags & TTY_UTF8 ? " (utf8)" : "");
                     83:        }
                     84:
                     85:        cdata = xmalloc(sizeof *cdata);
                     86:        if (data->arg != NULL)
                     87:                cdata->template = xstrdup(data->arg);
                     88:        else
                     89:                cdata->template = xstrdup("detach-client -t '%%'");
1.3     ! nicm       90:        cdata->client = ctx->curclient;
        !            91:        cdata->client->references++;
1.1       nicm       92:
                     93:        window_choose_ready(wl->window->active,
                     94:            cur, cmd_choose_client_callback, cmd_choose_client_free, cdata);
                     95:
                     96:        return (0);
                     97: }
                     98:
                     99: void
                    100: cmd_choose_client_callback(void *data, int idx)
                    101: {
                    102:        struct cmd_choose_client_data   *cdata = data;
1.3     ! nicm      103:        struct client                   *c;
1.1       nicm      104:        struct cmd_list                 *cmdlist;
                    105:        struct cmd_ctx                   ctx;
                    106:        char                            *template, *cause;
                    107:
                    108:        if (idx == -1)
                    109:                return;
1.3     ! nicm      110:        if (cdata->client->flags & CLIENT_DEAD)
1.1       nicm      111:                return;
                    112:
                    113:        if ((u_int) idx > ARRAY_LENGTH(&clients) - 1)
                    114:                return;
1.3     ! nicm      115:        c = ARRAY_ITEM(&clients, idx);
        !           116:        if (c == NULL || c->session == NULL)
1.1       nicm      117:                return;
1.3     ! nicm      118:        template = cmd_template_replace(cdata->template, c->tty.path, 1);
1.1       nicm      119:
                    120:        if (cmd_string_parse(template, &cmdlist, &cause) != 0) {
                    121:                if (cause != NULL) {
                    122:                        *cause = toupper((u_char) *cause);
                    123:                        status_message_set(c, "%s", cause);
                    124:                        xfree(cause);
                    125:                }
                    126:                xfree(template);
                    127:                return;
                    128:        }
                    129:        xfree(template);
                    130:
                    131:        ctx.msgdata = NULL;
1.3     ! nicm      132:        ctx.curclient = cdata->client;
1.1       nicm      133:
                    134:        ctx.error = key_bindings_error;
                    135:        ctx.print = key_bindings_print;
                    136:        ctx.info = key_bindings_info;
                    137:
                    138:        ctx.cmdclient = NULL;
                    139:
                    140:        cmd_list_exec(cmdlist, &ctx);
                    141:        cmd_list_free(cmdlist);
                    142: }
                    143:
                    144: void
                    145: cmd_choose_client_free(void *data)
                    146: {
                    147:        struct cmd_choose_client_data   *cdata = data;
                    148:
1.3     ! nicm      149:        cdata->client->references--;
1.1       nicm      150:        xfree(cdata->template);
                    151:        xfree(cdata);
                    152: }