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Annotation of src/usr.bin/tmux/cmd-select-layout.c, Revision 1.30

1.30    ! nicm        1: /* $OpenBSD: cmd-select-layout.c,v 1.29 2016/01/19 15:59:12 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:
1.30    ! nicm       29: static 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:
1.28      nicm       38:        .tflag = CMD_WINDOW,
                     39:
                     40:        .flags = 0,
1.27      nicm       41:        .exec = cmd_select_layout_exec
1.1       nicm       42: };
                     43:
1.12      nicm       44: const struct cmd_entry cmd_next_layout_entry = {
1.27      nicm       45:        .name = "next-layout",
                     46:        .alias = "nextl",
                     47:
                     48:        .args = { "t:", 0, 0 },
                     49:        .usage = CMD_TARGET_WINDOW_USAGE,
                     50:
1.28      nicm       51:        .tflag = CMD_WINDOW,
                     52:
                     53:        .flags = 0,
1.27      nicm       54:        .exec = cmd_select_layout_exec
1.12      nicm       55: };
                     56:
                     57: const struct cmd_entry cmd_previous_layout_entry = {
1.27      nicm       58:        .name = "previous-layout",
                     59:        .alias = "prevl",
                     60:
                     61:        .args = { "t:", 0, 0 },
                     62:        .usage = CMD_TARGET_WINDOW_USAGE,
                     63:
1.28      nicm       64:        .tflag = CMD_WINDOW,
                     65:
                     66:        .flags = 0,
1.27      nicm       67:        .exec = cmd_select_layout_exec
1.12      nicm       68: };
1.1       nicm       69:
1.30    ! nicm       70: static enum cmd_retval
1.19      nicm       71: cmd_select_layout_exec(struct cmd *self, struct cmd_q *cmdq)
1.1       nicm       72: {
1.11      nicm       73:        struct args     *args = self->args;
1.26      nicm       74:        struct winlink  *wl = cmdq->state.tflag.wl;
1.25      nicm       75:        struct window   *w;
1.11      nicm       76:        const char      *layoutname;
1.25      nicm       77:        char            *oldlayout;
1.12      nicm       78:        int              next, previous, layout;
1.1       nicm       79:
1.25      nicm       80:        w = wl->window;
                     81:        server_unzoom_window(w);
1.12      nicm       82:
                     83:        next = self->entry == &cmd_next_layout_entry;
1.25      nicm       84:        if (args_has(args, 'n'))
1.12      nicm       85:                next = 1;
                     86:        previous = self->entry == &cmd_previous_layout_entry;
1.25      nicm       87:        if (args_has(args, 'p'))
1.12      nicm       88:                previous = 1;
                     89:
1.25      nicm       90:        oldlayout = w->old_layout;
                     91:        w->old_layout = layout_dump(w->layout_root);
                     92:
1.12      nicm       93:        if (next || previous) {
                     94:                if (next)
1.25      nicm       95:                        layout_set_next(w);
1.12      nicm       96:                else
1.25      nicm       97:                        layout_set_previous(w);
                     98:                goto changed;
1.12      nicm       99:        }
1.1       nicm      100:
1.25      nicm      101:        if (!args_has(args, 'o')) {
                    102:                if (args->argc == 0)
                    103:                        layout = w->lastlayout;
                    104:                else
                    105:                        layout = layout_set_lookup(args->argv[0]);
                    106:                if (layout != -1) {
                    107:                        layout_set_select(w, layout);
                    108:                        goto changed;
                    109:                }
1.11      nicm      110:        }
                    111:
1.25      nicm      112:        if (args->argc != 0)
1.17      nicm      113:                layoutname = args->argv[0];
1.25      nicm      114:        else if (args_has(args, 'o'))
                    115:                layoutname = oldlayout;
                    116:        else
                    117:                layoutname = NULL;
                    118:
                    119:        if (layoutname != NULL) {
                    120:                if (layout_parse(w, layoutname) == -1) {
1.19      nicm      121:                        cmdq_error(cmdq, "can't set layout: %s", layoutname);
1.25      nicm      122:                        goto error;
1.17      nicm      123:                }
1.25      nicm      124:                goto changed;
1.6       nicm      125:        }
1.25      nicm      126:
                    127:        free(oldlayout);
1.16      nicm      128:        return (CMD_RETURN_NORMAL);
1.25      nicm      129:
                    130: changed:
                    131:        free(oldlayout);
                    132:        server_redraw_window(w);
                    133:        return (CMD_RETURN_NORMAL);
                    134:
                    135: error:
                    136:        free(w->old_layout);
                    137:        w->old_layout = oldlayout;
                    138:        return (CMD_RETURN_ERROR);
1.1       nicm      139: }