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Annotation of src/usr.bin/tmux/cmd-select-layout.c, Revision 1.32

1.32    ! nicm        1: /* $OpenBSD: cmd-select-layout.c,v 1.31 2016/10/14 22:14:22 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.29      nicm        4:  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1       nicm        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:
1.32    ! nicm       29: static enum cmd_retval cmd_select_layout_exec(struct cmd *,
        !            30:                            struct cmdq_item *);
1.1       nicm       31:
                     32: const struct cmd_entry cmd_select_layout_entry = {
1.27      nicm       33:        .name = "select-layout",
                     34:        .alias = "selectl",
                     35:
                     36:        .args = { "nopt:", 0, 1 },
                     37:        .usage = "[-nop] " CMD_TARGET_WINDOW_USAGE " [layout-name]",
                     38:
1.28      nicm       39:        .tflag = CMD_WINDOW,
                     40:
1.31      nicm       41:        .flags = CMD_AFTERHOOK,
1.27      nicm       42:        .exec = cmd_select_layout_exec
1.1       nicm       43: };
                     44:
1.12      nicm       45: const struct cmd_entry cmd_next_layout_entry = {
1.27      nicm       46:        .name = "next-layout",
                     47:        .alias = "nextl",
                     48:
                     49:        .args = { "t:", 0, 0 },
                     50:        .usage = CMD_TARGET_WINDOW_USAGE,
                     51:
1.28      nicm       52:        .tflag = CMD_WINDOW,
                     53:
1.31      nicm       54:        .flags = CMD_AFTERHOOK,
1.27      nicm       55:        .exec = cmd_select_layout_exec
1.12      nicm       56: };
                     57:
                     58: const struct cmd_entry cmd_previous_layout_entry = {
1.27      nicm       59:        .name = "previous-layout",
                     60:        .alias = "prevl",
                     61:
                     62:        .args = { "t:", 0, 0 },
                     63:        .usage = CMD_TARGET_WINDOW_USAGE,
                     64:
1.28      nicm       65:        .tflag = CMD_WINDOW,
                     66:
1.31      nicm       67:        .flags = CMD_AFTERHOOK,
1.27      nicm       68:        .exec = cmd_select_layout_exec
1.12      nicm       69: };
1.1       nicm       70:
1.30      nicm       71: static enum cmd_retval
1.32    ! nicm       72: cmd_select_layout_exec(struct cmd *self, struct cmdq_item *item)
1.1       nicm       73: {
1.11      nicm       74:        struct args     *args = self->args;
1.32    ! nicm       75:        struct winlink  *wl = item->state.tflag.wl;
1.25      nicm       76:        struct window   *w;
1.11      nicm       77:        const char      *layoutname;
1.25      nicm       78:        char            *oldlayout;
1.12      nicm       79:        int              next, previous, layout;
1.1       nicm       80:
1.25      nicm       81:        w = wl->window;
                     82:        server_unzoom_window(w);
1.12      nicm       83:
                     84:        next = self->entry == &cmd_next_layout_entry;
1.25      nicm       85:        if (args_has(args, 'n'))
1.12      nicm       86:                next = 1;
                     87:        previous = self->entry == &cmd_previous_layout_entry;
1.25      nicm       88:        if (args_has(args, 'p'))
1.12      nicm       89:                previous = 1;
                     90:
1.25      nicm       91:        oldlayout = w->old_layout;
                     92:        w->old_layout = layout_dump(w->layout_root);
                     93:
1.12      nicm       94:        if (next || previous) {
                     95:                if (next)
1.25      nicm       96:                        layout_set_next(w);
1.12      nicm       97:                else
1.25      nicm       98:                        layout_set_previous(w);
                     99:                goto changed;
1.12      nicm      100:        }
1.1       nicm      101:
1.25      nicm      102:        if (!args_has(args, 'o')) {
                    103:                if (args->argc == 0)
                    104:                        layout = w->lastlayout;
                    105:                else
                    106:                        layout = layout_set_lookup(args->argv[0]);
                    107:                if (layout != -1) {
                    108:                        layout_set_select(w, layout);
                    109:                        goto changed;
                    110:                }
1.11      nicm      111:        }
                    112:
1.25      nicm      113:        if (args->argc != 0)
1.17      nicm      114:                layoutname = args->argv[0];
1.25      nicm      115:        else if (args_has(args, 'o'))
                    116:                layoutname = oldlayout;
                    117:        else
                    118:                layoutname = NULL;
                    119:
                    120:        if (layoutname != NULL) {
                    121:                if (layout_parse(w, layoutname) == -1) {
1.32    ! nicm      122:                        cmdq_error(item, "can't set layout: %s", layoutname);
1.25      nicm      123:                        goto error;
1.17      nicm      124:                }
1.25      nicm      125:                goto changed;
1.6       nicm      126:        }
1.25      nicm      127:
                    128:        free(oldlayout);
1.16      nicm      129:        return (CMD_RETURN_NORMAL);
1.25      nicm      130:
                    131: changed:
                    132:        free(oldlayout);
                    133:        server_redraw_window(w);
                    134:        return (CMD_RETURN_NORMAL);
                    135:
                    136: error:
                    137:        free(w->old_layout);
                    138:        w->old_layout = oldlayout;
                    139:        return (CMD_RETURN_ERROR);
1.1       nicm      140: }