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Annotation of src/usr.bin/tmux/cmd-select-layout.c, Revision 1.25

1.25    ! nicm        1: /* $OpenBSD: cmd-select-layout.c,v 1.24 2014/10/20 22:34:31 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:
1.25    ! nicm       21: #include <stdlib.h>
        !            22:
1.1       nicm       23: #include "tmux.h"
                     24:
                     25: /*
                     26:  * Switch window to selected layout.
                     27:  */
                     28:
1.19      nicm       29: enum cmd_retval         cmd_select_layout_exec(struct cmd *, struct cmd_q *);
1.1       nicm       30:
                     31: const struct cmd_entry cmd_select_layout_entry = {
                     32:        "select-layout", "selectl",
1.25    ! nicm       33:        "nopt:", 0, 1,
        !            34:        "[-nop] " CMD_TARGET_WINDOW_USAGE " [layout-name]",
1.24      nicm       35:        0,
1.11      nicm       36:        cmd_select_layout_exec
1.1       nicm       37: };
                     38:
1.12      nicm       39: const struct cmd_entry cmd_next_layout_entry = {
                     40:        "next-layout", "nextl",
                     41:        "t:", 0, 0,
                     42:        CMD_TARGET_WINDOW_USAGE,
                     43:        0,
                     44:        cmd_select_layout_exec
                     45: };
                     46:
                     47: const struct cmd_entry cmd_previous_layout_entry = {
                     48:        "previous-layout", "prevl",
                     49:        "t:", 0, 0,
                     50:        CMD_TARGET_WINDOW_USAGE,
                     51:        0,
                     52:        cmd_select_layout_exec
                     53: };
1.1       nicm       54:
1.16      nicm       55: enum cmd_retval
1.19      nicm       56: cmd_select_layout_exec(struct cmd *self, struct cmd_q *cmdq)
1.1       nicm       57: {
1.11      nicm       58:        struct args     *args = self->args;
                     59:        struct winlink  *wl;
1.25    ! nicm       60:        struct window   *w;
1.11      nicm       61:        const char      *layoutname;
1.25    ! nicm       62:        char            *oldlayout;
1.12      nicm       63:        int              next, previous, layout;
1.1       nicm       64:
1.19      nicm       65:        if ((wl = cmd_find_window(cmdq, args_get(args, 't'), NULL)) == NULL)
1.16      nicm       66:                return (CMD_RETURN_ERROR);
1.25    ! nicm       67:        w = wl->window;
        !            68:
        !            69:        server_unzoom_window(w);
1.12      nicm       70:
                     71:        next = self->entry == &cmd_next_layout_entry;
1.25    ! nicm       72:        if (args_has(args, 'n'))
1.12      nicm       73:                next = 1;
                     74:        previous = self->entry == &cmd_previous_layout_entry;
1.25    ! nicm       75:        if (args_has(args, 'p'))
1.12      nicm       76:                previous = 1;
                     77:
1.25    ! nicm       78:        oldlayout = w->old_layout;
        !            79:        w->old_layout = layout_dump(w->layout_root);
        !            80:
1.12      nicm       81:        if (next || previous) {
                     82:                if (next)
1.25    ! nicm       83:                        layout_set_next(w);
1.12      nicm       84:                else
1.25    ! nicm       85:                        layout_set_previous(w);
        !            86:                goto changed;
1.12      nicm       87:        }
1.1       nicm       88:
1.25    ! nicm       89:        if (!args_has(args, 'o')) {
        !            90:                if (args->argc == 0)
        !            91:                        layout = w->lastlayout;
        !            92:                else
        !            93:                        layout = layout_set_lookup(args->argv[0]);
        !            94:                if (layout != -1) {
        !            95:                        layout_set_select(w, layout);
        !            96:                        goto changed;
        !            97:                }
1.11      nicm       98:        }
                     99:
1.25    ! nicm      100:        if (args->argc != 0)
1.17      nicm      101:                layoutname = args->argv[0];
1.25    ! nicm      102:        else if (args_has(args, 'o'))
        !           103:                layoutname = oldlayout;
        !           104:        else
        !           105:                layoutname = NULL;
        !           106:
        !           107:        if (layoutname != NULL) {
        !           108:                if (layout_parse(w, layoutname) == -1) {
1.19      nicm      109:                        cmdq_error(cmdq, "can't set layout: %s", layoutname);
1.25    ! nicm      110:                        goto error;
1.17      nicm      111:                }
1.25    ! nicm      112:                goto changed;
1.6       nicm      113:        }
1.25    ! nicm      114:
        !           115:        free(oldlayout);
1.16      nicm      116:        return (CMD_RETURN_NORMAL);
1.25    ! nicm      117:
        !           118: changed:
        !           119:        free(oldlayout);
        !           120:        server_redraw_window(w);
        !           121:        return (CMD_RETURN_NORMAL);
        !           122:
        !           123: error:
        !           124:        free(w->old_layout);
        !           125:        w->old_layout = oldlayout;
        !           126:        return (CMD_RETURN_ERROR);
1.1       nicm      127: }