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Annotation of src/usr.bin/tmux/cmd-choose-session.c, Revision 1.2

1.2     ! nicm        1: /* $OpenBSD: cmd-choose-session.c,v 1.1 2009/06/01 22:58:49 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>
                     20:
                     21: #include "tmux.h"
                     22:
                     23: /*
                     24:  * Enter choice mode to choose a session.
                     25:  */
                     26:
                     27: int    cmd_choose_session_exec(struct cmd *, struct cmd_ctx *);
                     28:
                     29: void   cmd_choose_session_callback(void *, int);
                     30:
                     31: const struct cmd_entry cmd_choose_session_entry = {
                     32:        "choose-session", NULL,
                     33:        CMD_TARGET_WINDOW_USAGE,
1.2     ! nicm       34:        0, 0,
1.1       nicm       35:        cmd_target_init,
                     36:        cmd_target_parse,
                     37:        cmd_choose_session_exec,
                     38:        cmd_target_send,
                     39:        cmd_target_recv,
                     40:        cmd_target_free,
                     41:        cmd_target_print
                     42: };
                     43:
                     44: struct cmd_choose_session_data {
                     45:        u_int   client;
                     46: };
                     47:
                     48: int
                     49: cmd_choose_session_exec(struct cmd *self, struct cmd_ctx *ctx)
                     50: {
                     51:        struct cmd_target_data          *data = self->data;
                     52:        struct cmd_choose_session_data  *cdata;
                     53:        struct winlink                  *wl;
                     54:        struct session                  *s;
                     55:        u_int                            i, idx, cur;
                     56:
                     57:        if (ctx->curclient == NULL) {
                     58:                ctx->error(ctx, "must be run interactively");
                     59:                return (-1);
                     60:        }
                     61:
                     62:        if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
                     63:                return (-1);
                     64:
                     65:        if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
                     66:                return (0);
                     67:
                     68:        cur = idx = 0;
                     69:        for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
                     70:                s = ARRAY_ITEM(&sessions, i);
                     71:                if (s == NULL)
                     72:                        continue;
                     73:                if (s == ctx->curclient->session)
                     74:                        cur = idx;
                     75:                idx++;
                     76:
                     77:                window_choose_add(wl->window->active, i,
                     78:                    "%s: %u windows [%ux%u]%s", s->name,
                     79:                    winlink_count(&s->windows), s->sx, s->sy,
                     80:                    s->flags & SESSION_UNATTACHED ? "" : " (attached)");
                     81:        }
                     82:
                     83:        cdata = xmalloc(sizeof *cdata);
                     84:        cdata->client = server_client_index(ctx->curclient);
                     85:
                     86:        window_choose_ready(
                     87:            wl->window->active, cur, cmd_choose_session_callback, cdata);
                     88:
                     89:        return (0);
                     90: }
                     91:
                     92: void
                     93: cmd_choose_session_callback(void *data, int idx)
                     94: {
                     95:        struct cmd_choose_session_data  *cdata = data;
                     96:        struct client                   *c;
                     97:
                     98:        if (idx != -1 && cdata->client <= ARRAY_LENGTH(&clients) - 1) {
                     99:                c = ARRAY_ITEM(&clients, cdata->client);
                    100:                if (c != NULL && (u_int) idx <= ARRAY_LENGTH(&sessions) - 1) {
                    101:                        c->session = ARRAY_ITEM(&sessions, idx);
                    102:                        recalculate_sizes();
                    103:                        server_redraw_client(c);
                    104:                }
                    105:        }
                    106:        xfree(cdata);
                    107: }