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Annotation of embedaddon/tmux/cmd-select-window.c, revision 1.1

1.1     ! misho       1: /* $OpenBSD$ */
        !             2: 
        !             3: /*
        !             4:  * Copyright (c) 2007 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 <stdlib.h>
        !            22: 
        !            23: #include "tmux.h"
        !            24: 
        !            25: /*
        !            26:  * Select window by index.
        !            27:  */
        !            28: 
        !            29: static enum cmd_retval cmd_select_window_exec(struct cmd *,
        !            30:                            struct cmdq_item *);
        !            31: 
        !            32: const struct cmd_entry cmd_select_window_entry = {
        !            33:        .name = "select-window",
        !            34:        .alias = "selectw",
        !            35: 
        !            36:        .args = { "lnpTt:", 0, 0 },
        !            37:        .usage = "[-lnpT] " CMD_TARGET_WINDOW_USAGE,
        !            38: 
        !            39:        .tflag = CMD_WINDOW,
        !            40: 
        !            41:        .flags = 0,
        !            42:        .exec = cmd_select_window_exec
        !            43: };
        !            44: 
        !            45: const struct cmd_entry cmd_next_window_entry = {
        !            46:        .name = "next-window",
        !            47:        .alias = "next",
        !            48: 
        !            49:        .args = { "at:", 0, 0 },
        !            50:        .usage = "[-a] " CMD_TARGET_SESSION_USAGE,
        !            51: 
        !            52:        .tflag = CMD_SESSION,
        !            53: 
        !            54:        .flags = 0,
        !            55:        .exec = cmd_select_window_exec
        !            56: };
        !            57: 
        !            58: const struct cmd_entry cmd_previous_window_entry = {
        !            59:        .name = "previous-window",
        !            60:        .alias = "prev",
        !            61: 
        !            62:        .args = { "at:", 0, 0 },
        !            63:        .usage = "[-a] " CMD_TARGET_SESSION_USAGE,
        !            64: 
        !            65:        .tflag = CMD_SESSION,
        !            66: 
        !            67:        .flags = 0,
        !            68:        .exec = cmd_select_window_exec
        !            69: };
        !            70: 
        !            71: const struct cmd_entry cmd_last_window_entry = {
        !            72:        .name = "last-window",
        !            73:        .alias = "last",
        !            74: 
        !            75:        .args = { "t:", 0, 0 },
        !            76:        .usage = CMD_TARGET_SESSION_USAGE,
        !            77: 
        !            78:        .tflag = CMD_SESSION,
        !            79: 
        !            80:        .flags = 0,
        !            81:        .exec = cmd_select_window_exec
        !            82: };
        !            83: 
        !            84: static enum cmd_retval
        !            85: cmd_select_window_exec(struct cmd *self, struct cmdq_item *item)
        !            86: {
        !            87:        struct winlink  *wl = item->state.tflag.wl;
        !            88:        struct session  *s = item->state.tflag.s;
        !            89:        int              next, previous, last, activity;
        !            90: 
        !            91:        next = self->entry == &cmd_next_window_entry;
        !            92:        if (args_has(self->args, 'n'))
        !            93:                next = 1;
        !            94:        previous = self->entry == &cmd_previous_window_entry;
        !            95:        if (args_has(self->args, 'p'))
        !            96:                previous = 1;
        !            97:        last = self->entry == &cmd_last_window_entry;
        !            98:        if (args_has(self->args, 'l'))
        !            99:                last = 1;
        !           100: 
        !           101:        if (next || previous || last) {
        !           102:                activity = args_has(self->args, 'a');
        !           103:                if (next) {
        !           104:                        if (session_next(s, activity) != 0) {
        !           105:                                cmdq_error(item, "no next window");
        !           106:                                return (CMD_RETURN_ERROR);
        !           107:                        }
        !           108:                } else if (previous) {
        !           109:                        if (session_previous(s, activity) != 0) {
        !           110:                                cmdq_error(item, "no previous window");
        !           111:                                return (CMD_RETURN_ERROR);
        !           112:                        }
        !           113:                } else {
        !           114:                        if (session_last(s) != 0) {
        !           115:                                cmdq_error(item, "no last window");
        !           116:                                return (CMD_RETURN_ERROR);
        !           117:                        }
        !           118:                }
        !           119: 
        !           120:                server_redraw_session(s);
        !           121:        } else {
        !           122:                /*
        !           123:                 * If -T and select-window is invoked on same window as
        !           124:                 * current, switch to previous window.
        !           125:                 */
        !           126:                if (args_has(self->args, 'T') && wl == s->curw) {
        !           127:                        if (session_last(s) != 0) {
        !           128:                                cmdq_error(item, "no last window");
        !           129:                                return (-1);
        !           130:                        }
        !           131:                        server_redraw_session(s);
        !           132:                } else if (session_select(s, wl->idx) == 0)
        !           133:                        server_redraw_session(s);
        !           134:        }
        !           135:        recalculate_sizes();
        !           136: 
        !           137:        return (CMD_RETURN_NORMAL);
        !           138: }