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Annotation of src/usr.bin/tmux/cmd-select-layout.c, Revision 1.27

1.27    ! nicm        1: /* $OpenBSD: cmd-select-layout.c,v 1.26 2015/12/13 14:32:38 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 = {
1.27    ! nicm       32:        .name = "select-layout",
        !            33:        .alias = "selectl",
        !            34:
        !            35:        .args = { "nopt:", 0, 1 },
        !            36:        .usage = "[-nop] " CMD_TARGET_WINDOW_USAGE " [layout-name]",
        !            37:
        !            38:        .flags = CMD_WINDOW_T,
        !            39:        .exec = cmd_select_layout_exec
1.1       nicm       40: };
                     41:
1.12      nicm       42: const struct cmd_entry cmd_next_layout_entry = {
1.27    ! nicm       43:        .name = "next-layout",
        !            44:        .alias = "nextl",
        !            45:
        !            46:        .args = { "t:", 0, 0 },
        !            47:        .usage = CMD_TARGET_WINDOW_USAGE,
        !            48:
        !            49:        .flags = CMD_WINDOW_T,
        !            50:        .exec = cmd_select_layout_exec
1.12      nicm       51: };
                     52:
                     53: const struct cmd_entry cmd_previous_layout_entry = {
1.27    ! nicm       54:        .name = "previous-layout",
        !            55:        .alias = "prevl",
        !            56:
        !            57:        .args = { "t:", 0, 0 },
        !            58:        .usage = CMD_TARGET_WINDOW_USAGE,
        !            59:
        !            60:        .flags = CMD_WINDOW_T,
        !            61:        .exec = cmd_select_layout_exec
1.12      nicm       62: };
1.1       nicm       63:
1.16      nicm       64: enum cmd_retval
1.19      nicm       65: cmd_select_layout_exec(struct cmd *self, struct cmd_q *cmdq)
1.1       nicm       66: {
1.11      nicm       67:        struct args     *args = self->args;
1.26      nicm       68:        struct winlink  *wl = cmdq->state.tflag.wl;
1.25      nicm       69:        struct window   *w;
1.11      nicm       70:        const char      *layoutname;
1.25      nicm       71:        char            *oldlayout;
1.12      nicm       72:        int              next, previous, layout;
1.1       nicm       73:
1.25      nicm       74:        w = wl->window;
                     75:        server_unzoom_window(w);
1.12      nicm       76:
                     77:        next = self->entry == &cmd_next_layout_entry;
1.25      nicm       78:        if (args_has(args, 'n'))
1.12      nicm       79:                next = 1;
                     80:        previous = self->entry == &cmd_previous_layout_entry;
1.25      nicm       81:        if (args_has(args, 'p'))
1.12      nicm       82:                previous = 1;
                     83:
1.25      nicm       84:        oldlayout = w->old_layout;
                     85:        w->old_layout = layout_dump(w->layout_root);
                     86:
1.12      nicm       87:        if (next || previous) {
                     88:                if (next)
1.25      nicm       89:                        layout_set_next(w);
1.12      nicm       90:                else
1.25      nicm       91:                        layout_set_previous(w);
                     92:                goto changed;
1.12      nicm       93:        }
1.1       nicm       94:
1.25      nicm       95:        if (!args_has(args, 'o')) {
                     96:                if (args->argc == 0)
                     97:                        layout = w->lastlayout;
                     98:                else
                     99:                        layout = layout_set_lookup(args->argv[0]);
                    100:                if (layout != -1) {
                    101:                        layout_set_select(w, layout);
                    102:                        goto changed;
                    103:                }
1.11      nicm      104:        }
                    105:
1.25      nicm      106:        if (args->argc != 0)
1.17      nicm      107:                layoutname = args->argv[0];
1.25      nicm      108:        else if (args_has(args, 'o'))
                    109:                layoutname = oldlayout;
                    110:        else
                    111:                layoutname = NULL;
                    112:
                    113:        if (layoutname != NULL) {
                    114:                if (layout_parse(w, layoutname) == -1) {
1.19      nicm      115:                        cmdq_error(cmdq, "can't set layout: %s", layoutname);
1.25      nicm      116:                        goto error;
1.17      nicm      117:                }
1.25      nicm      118:                goto changed;
1.6       nicm      119:        }
1.25      nicm      120:
                    121:        free(oldlayout);
1.16      nicm      122:        return (CMD_RETURN_NORMAL);
1.25      nicm      123:
                    124: changed:
                    125:        free(oldlayout);
                    126:        server_redraw_window(w);
                    127:        return (CMD_RETURN_NORMAL);
                    128:
                    129: error:
                    130:        free(w->old_layout);
                    131:        w->old_layout = oldlayout;
                    132:        return (CMD_RETURN_ERROR);
1.1       nicm      133: }