root/usr.bin/tmux/window-customize.c
/* $OpenBSD: window-customize.c,v 1.19 2026/03/12 12:40:41 nicm Exp $ */

/*
 * Copyright (c) 2020 Nicholas Marriott <nicholas.marriott@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>

#include <ctype.h>
#include <stdlib.h>
#include <string.h>

#include "tmux.h"

static struct screen    *window_customize_init(struct window_mode_entry *,
                             struct cmd_find_state *, struct args *);
static void              window_customize_free(struct window_mode_entry *);
static void              window_customize_resize(struct window_mode_entry *,
                              u_int, u_int);
static void              window_customize_key(struct window_mode_entry *,
                             struct client *, struct session *,
                             struct winlink *, key_code, struct mouse_event *);

#define WINDOW_CUSTOMIZE_DEFAULT_FORMAT \
        "#{?is_option," \
                "#{?option_is_global,,#[reverse](#{option_scope})#[default] }" \
                "#[ignore]" \
                "#{option_value}#{?option_unit, #{option_unit},}" \
        "," \
                "#{key}" \
        "}"

static const struct menu_item window_customize_menu_items[] = {
        { "Select", '\r', NULL },
        { "Expand", KEYC_RIGHT, NULL },
        { "", KEYC_NONE, NULL },
        { "Tag", 't', NULL },
        { "Tag All", '\024', NULL },
        { "Tag None", 'T', NULL },
        { "", KEYC_NONE, NULL },
        { "Cancel", 'q', NULL },

        { NULL, KEYC_NONE, NULL }
};

const struct window_mode window_customize_mode = {
        .name = "options-mode",
        .default_format = WINDOW_CUSTOMIZE_DEFAULT_FORMAT,

        .init = window_customize_init,
        .free = window_customize_free,
        .resize = window_customize_resize,
        .key = window_customize_key,
};

enum window_customize_scope {
        WINDOW_CUSTOMIZE_NONE,
        WINDOW_CUSTOMIZE_KEY,
        WINDOW_CUSTOMIZE_SERVER,
        WINDOW_CUSTOMIZE_GLOBAL_SESSION,
        WINDOW_CUSTOMIZE_SESSION,
        WINDOW_CUSTOMIZE_GLOBAL_WINDOW,
        WINDOW_CUSTOMIZE_WINDOW,
        WINDOW_CUSTOMIZE_PANE
};

enum window_customize_change {
        WINDOW_CUSTOMIZE_UNSET,
        WINDOW_CUSTOMIZE_RESET,
};

struct window_customize_itemdata {
        struct window_customize_modedata        *data;
        enum window_customize_scope              scope;

        char                                    *table;
        key_code                                 key;

        struct options                          *oo;
        char                                    *name;
        int                                      idx;
};

struct window_customize_modedata {
        struct window_pane                       *wp;
        int                                       dead;
        int                                       references;

        struct mode_tree_data                    *data;
        char                                     *format;
        int                                       hide_global;
        int                                       prompt_flags;

        struct window_customize_itemdata        **item_list;
        u_int                                     item_size;

        struct cmd_find_state                     fs;
        enum window_customize_change              change;
};

static uint64_t
window_customize_get_tag(struct options_entry *o, int idx,
    const struct options_table_entry *oe)
{
        uint64_t        offset;

        if (oe == NULL)
                return ((uint64_t)o);
        offset = ((char *)oe - (char *)options_table) / sizeof *options_table;
        return ((2ULL << 62)|(offset << 32)|((idx + 1) << 1)|1);
}

static struct options *
window_customize_get_tree(enum window_customize_scope scope,
    struct cmd_find_state *fs)
{
        switch (scope) {
        case WINDOW_CUSTOMIZE_NONE:
        case WINDOW_CUSTOMIZE_KEY:
                return (NULL);
        case WINDOW_CUSTOMIZE_SERVER:
                return (global_options);
        case WINDOW_CUSTOMIZE_GLOBAL_SESSION:
                return (global_s_options);
        case WINDOW_CUSTOMIZE_SESSION:
                return (fs->s->options);
        case WINDOW_CUSTOMIZE_GLOBAL_WINDOW:
                return (global_w_options);
        case WINDOW_CUSTOMIZE_WINDOW:
                return (fs->w->options);
        case WINDOW_CUSTOMIZE_PANE:
                return (fs->wp->options);
        }
        return (NULL);
}

static int
window_customize_check_item(struct window_customize_modedata *data,
    struct window_customize_itemdata *item, struct cmd_find_state *fsp)
{
        struct cmd_find_state   fs;

        if (fsp == NULL)
                fsp = &fs;

        if (cmd_find_valid_state(&data->fs))
                cmd_find_copy_state(fsp, &data->fs);
        else
                cmd_find_from_pane(fsp, data->wp, 0);
        return (item->oo == window_customize_get_tree(item->scope, fsp));
}

static int
window_customize_get_key(struct window_customize_itemdata *item,
    struct key_table **ktp, struct key_binding **bdp)
{
        struct key_table        *kt;
        struct key_binding      *bd;

        kt = key_bindings_get_table(item->table, 0);
        if (kt == NULL)
                return (0);
        bd = key_bindings_get(kt, item->key);
        if (bd == NULL)
                return (0);

        if (ktp != NULL)
                *ktp = kt;
        if (bdp != NULL)
                *bdp = bd;
        return (1);
}

static char *
window_customize_scope_text(enum window_customize_scope scope,
    struct cmd_find_state *fs)
{
        char    *s;
        u_int    idx;

        switch (scope) {
        case WINDOW_CUSTOMIZE_PANE:
                window_pane_index(fs->wp, &idx);
                xasprintf(&s, "pane %u", idx);
                break;
        case WINDOW_CUSTOMIZE_SESSION:
                xasprintf(&s, "session %s", fs->s->name);
                break;
        case WINDOW_CUSTOMIZE_WINDOW:
                xasprintf(&s, "window %u", fs->wl->idx);
                break;
        default:
                s = xstrdup("");
                break;
        }
        return (s);
}

static struct window_customize_itemdata *
window_customize_add_item(struct window_customize_modedata *data)
{
        struct window_customize_itemdata        *item;

        data->item_list = xreallocarray(data->item_list, data->item_size + 1,
            sizeof *data->item_list);
        item = data->item_list[data->item_size++] = xcalloc(1, sizeof *item);
        return (item);
}

static void
window_customize_free_item(struct window_customize_itemdata *item)
{
        free(item->table);
        free(item->name);
        free(item);
}

static void
window_customize_build_array(struct window_customize_modedata *data,
    struct mode_tree_item *top, enum window_customize_scope scope,
    struct options_entry *o, struct format_tree *ft)
{
        const struct options_table_entry        *oe = options_table_entry(o);
        struct options                          *oo = options_owner(o);
        struct window_customize_itemdata        *item;
        struct options_array_item               *ai;
        char                                    *name, *value, *text;
        u_int                                    idx;
        uint64_t                                 tag;

        ai = options_array_first(o);
        while (ai != NULL) {
                idx = options_array_item_index(ai);

                xasprintf(&name, "%s[%u]", options_name(o), idx);
                format_add(ft, "option_name", "%s", name);
                value = options_to_string(o, idx, 0);
                format_add(ft, "option_value", "%s", value);

                item = window_customize_add_item(data);
                item->scope = scope;
                item->oo = oo;
                item->name = xstrdup(options_name(o));
                item->idx = idx;

                text = format_expand(ft, data->format);
                tag = window_customize_get_tag(o, idx, oe);
                mode_tree_add(data->data, top, item, tag, name, text, -1);
                free(text);

                free(name);
                free(value);

                ai = options_array_next(ai);
        }
}

static void
window_customize_build_option(struct window_customize_modedata *data,
    struct mode_tree_item *top, enum window_customize_scope scope,
    struct options_entry *o, struct format_tree *ft,
    const char *filter, struct cmd_find_state *fs)
{
        const struct options_table_entry        *oe = options_table_entry(o);
        struct options                          *oo = options_owner(o);
        const char                              *name = options_name(o);
        struct window_customize_itemdata        *item;
        char                                    *text, *expanded, *value;
        int                                      global = 0, array = 0;
        uint64_t                                 tag;

        if (oe != NULL && (oe->flags & OPTIONS_TABLE_IS_HOOK))
                return;
        if (oe != NULL && (oe->flags & OPTIONS_TABLE_IS_ARRAY))
                array = 1;

        if (scope == WINDOW_CUSTOMIZE_SERVER ||
            scope == WINDOW_CUSTOMIZE_GLOBAL_SESSION ||
            scope == WINDOW_CUSTOMIZE_GLOBAL_WINDOW)
                global = 1;
        if (data->hide_global && global)
                return;

        format_add(ft, "option_name", "%s", name);
        format_add(ft, "option_is_global", "%d", global);
        format_add(ft, "option_is_array", "%d", array);

        text = window_customize_scope_text(scope, fs);
        format_add(ft, "option_scope", "%s", text);
        free(text);

        if (oe != NULL && oe->unit != NULL)
                format_add(ft, "option_unit", "%s", oe->unit);
        else
                format_add(ft, "option_unit", "%s", "");

        if (!array) {
                value = options_to_string(o, -1, 0);
                format_add(ft, "option_value", "%s", value);
                free(value);
        }

        if (filter != NULL) {
                expanded = format_expand(ft, filter);
                if (!format_true(expanded)) {
                        free(expanded);
                        return;
                }
                free(expanded);
        }
        item = window_customize_add_item(data);
        item->oo = oo;
        item->scope = scope;
        item->name = xstrdup(name);
        item->idx = -1;

        if (array)
                text = NULL;
        else
                text = format_expand(ft, data->format);
        tag = window_customize_get_tag(o, -1, oe);
        top = mode_tree_add(data->data, top, item, tag, name, text, 0);
        free(text);

        if (array)
                window_customize_build_array(data, top, scope, o, ft);
}

static void
window_customize_find_user_options(struct options *oo, const char ***list,
    u_int *size)
{
        struct options_entry    *o;
        const char              *name;
        u_int                    i;

        o = options_first(oo);
        while (o != NULL) {
                name = options_name(o);
                if (*name != '@') {
                        o = options_next(o);
                        continue;
                }
                for (i = 0; i < *size; i++) {
                        if (strcmp((*list)[i], name) == 0)
                                break;
                }
                if (i != *size) {
                        o = options_next(o);
                        continue;
                }
                *list = xreallocarray(*list, (*size) + 1, sizeof **list);
                (*list)[(*size)++] = name;

                o = options_next(o);
        }
}

static void
window_customize_build_options(struct window_customize_modedata *data,
    const char *title, uint64_t tag,
    enum window_customize_scope scope0, struct options *oo0,
    enum window_customize_scope scope1, struct options *oo1,
    enum window_customize_scope scope2, struct options *oo2,
    struct format_tree *ft, const char *filter, struct cmd_find_state *fs)
{
        struct mode_tree_item            *top;
        struct options_entry             *o = NULL, *loop;
        const char                      **list = NULL, *name;
        u_int                             size = 0, i;
        enum window_customize_scope       scope;

        top = mode_tree_add(data->data, NULL, NULL, tag, title, NULL, 0);
        mode_tree_no_tag(top);

        /*
         * We get the options from the first tree, but build it using the
         * values from the other two. Any tree can have user options so we need
         * to build a separate list of them.
         */

        window_customize_find_user_options(oo0, &list, &size);
        if (oo1 != NULL)
                window_customize_find_user_options(oo1, &list, &size);
        if (oo2 != NULL)
                window_customize_find_user_options(oo2, &list, &size);

        for (i = 0; i < size; i++) {
                if (oo2 != NULL)
                        o = options_get(oo2, list[i]);
                if (o == NULL && oo1 != NULL)
                        o = options_get(oo1, list[i]);
                if (o == NULL)
                        o = options_get(oo0, list[i]);
                if (options_owner(o) == oo2)
                        scope = scope2;
                else if (options_owner(o) == oo1)
                        scope = scope1;
                else
                        scope = scope0;
                window_customize_build_option(data, top, scope, o, ft, filter,
                    fs);
        }
        free(list);

        loop = options_first(oo0);
        while (loop != NULL) {
                name = options_name(loop);
                if (*name == '@') {
                        loop = options_next(loop);
                        continue;
                }
                if (oo2 != NULL)
                        o = options_get(oo2, name);
                else if (oo1 != NULL)
                        o = options_get(oo1, name);
                else
                        o = loop;
                if (options_owner(o) == oo2)
                        scope = scope2;
                else if (options_owner(o) == oo1)
                        scope = scope1;
                else
                        scope = scope0;
                window_customize_build_option(data, top, scope, o, ft, filter,
                    fs);
                loop = options_next(loop);
        }
}

static void
window_customize_build_keys(struct window_customize_modedata *data,
    struct key_table *kt, struct format_tree *ft, const char *filter,
    struct cmd_find_state *fs, u_int number)
{
        struct mode_tree_item                   *top, *child, *mti;
        struct window_customize_itemdata        *item;
        struct key_binding                      *bd;
        char                                    *title, *text, *tmp, *expanded;
        const char                              *flag;
        uint64_t                                 tag;

        tag = (1ULL << 62)|((uint64_t)number << 54)|1;

        xasprintf(&title, "Key Table - %s", kt->name);
        top = mode_tree_add(data->data, NULL, NULL, tag, title, NULL, 0);
        mode_tree_no_tag(top);
        free(title);

        ft = format_create_from_state(NULL, NULL, fs);
        format_add(ft, "is_option", "0");
        format_add(ft, "is_key", "1");

        bd = key_bindings_first(kt);
        while (bd != NULL) {
                format_add(ft, "key", "%s", key_string_lookup_key(bd->key, 0));
                if (bd->note != NULL)
                        format_add(ft, "key_note", "%s", bd->note);
                if (filter != NULL) {
                        expanded = format_expand(ft, filter);
                        if (!format_true(expanded)) {
                                free(expanded);
                                continue;
                        }
                        free(expanded);
                }

                item = window_customize_add_item(data);
                item->scope = WINDOW_CUSTOMIZE_KEY;
                item->table = xstrdup(kt->name);
                item->key = bd->key;
                item->name = xstrdup(key_string_lookup_key(item->key, 0));
                item->idx = -1;

                expanded = format_expand(ft, data->format);
                child = mode_tree_add(data->data, top, item, (uint64_t)bd,
                    expanded, NULL, 0);
                free(expanded);

                tmp = cmd_list_print(bd->cmdlist, 0);
                xasprintf(&text, "#[ignore]%s", tmp);
                free(tmp);
                mti = mode_tree_add(data->data, child, item,
                    tag|(bd->key << 3)|(0 << 1)|1, "Command", text, -1);
                mode_tree_draw_as_parent(mti);
                mode_tree_no_tag(mti);
                free(text);

                if (bd->note != NULL)
                        xasprintf(&text, "#[ignore]%s", bd->note);
                else
                        text = xstrdup("");
                mti = mode_tree_add(data->data, child, item,
                    tag|(bd->key << 3)|(1 << 1)|1, "Note", text, -1);
                mode_tree_draw_as_parent(mti);
                mode_tree_no_tag(mti);
                free(text);

                if (bd->flags & KEY_BINDING_REPEAT)
                        flag = "on";
                else
                        flag = "off";
                mti = mode_tree_add(data->data, child, item,
                    tag|(bd->key << 3)|(2 << 1)|1, "Repeat", flag, -1);
                mode_tree_draw_as_parent(mti);
                mode_tree_no_tag(mti);

                bd = key_bindings_next(kt, bd);
        }

        format_free(ft);
}

static void
window_customize_build(void *modedata,
    __unused struct sort_criteria *sort_crit, __unused uint64_t *tag,
    const char *filter)
{
        struct window_customize_modedata        *data = modedata;
        struct cmd_find_state                    fs;
        struct format_tree                      *ft;
        u_int                                    i;
        struct key_table                        *kt;

        for (i = 0; i < data->item_size; i++)
                window_customize_free_item(data->item_list[i]);
        free(data->item_list);
        data->item_list = NULL;
        data->item_size = 0;

        if (cmd_find_valid_state(&data->fs))
                cmd_find_copy_state(&fs, &data->fs);
        else
                cmd_find_from_pane(&fs, data->wp, 0);

        ft = format_create_from_state(NULL, NULL, &fs);
        format_add(ft, "is_option", "1");
        format_add(ft, "is_key", "0");

        window_customize_build_options(data, "Server Options",
            (3ULL << 62)|(OPTIONS_TABLE_SERVER << 1)|1,
            WINDOW_CUSTOMIZE_SERVER, global_options,
            WINDOW_CUSTOMIZE_NONE, NULL,
            WINDOW_CUSTOMIZE_NONE, NULL,
            ft, filter, &fs);
        window_customize_build_options(data, "Session Options",
            (3ULL << 62)|(OPTIONS_TABLE_SESSION << 1)|1,
            WINDOW_CUSTOMIZE_GLOBAL_SESSION, global_s_options,
            WINDOW_CUSTOMIZE_SESSION, fs.s->options,
            WINDOW_CUSTOMIZE_NONE, NULL,
            ft, filter, &fs);
        window_customize_build_options(data, "Window & Pane Options",
            (3ULL << 62)|(OPTIONS_TABLE_WINDOW << 1)|1,
            WINDOW_CUSTOMIZE_GLOBAL_WINDOW, global_w_options,
            WINDOW_CUSTOMIZE_WINDOW, fs.w->options,
            WINDOW_CUSTOMIZE_PANE, fs.wp->options,
            ft, filter, &fs);

        format_free(ft);
        ft = format_create_from_state(NULL, NULL, &fs);

        i = 0;
        kt = key_bindings_first_table();
        while (kt != NULL) {
                if (!RB_EMPTY(&kt->key_bindings)) {
                        window_customize_build_keys(data, kt, ft, filter, &fs,
                            i);
                        if (++i == 256)
                                break;
                }
                kt = key_bindings_next_table(kt);
        }

        format_free(ft);
}

static void
window_customize_draw_key(__unused struct window_customize_modedata *data,
    struct window_customize_itemdata *item, struct screen_write_ctx *ctx,
    u_int sx, u_int sy)
{
        struct screen           *s = ctx->s;
        u_int                    cx = s->cx, cy = s->cy;
        struct key_table        *kt;
        struct key_binding      *bd, *default_bd;
        const char              *note, *period = "";
        char                    *cmd, *default_cmd;

        if (item == NULL || !window_customize_get_key(item, &kt, &bd))
                return;

        note = bd->note;
        if (note == NULL)
                note = "There is no note for this key.";
        if (*note != '\0' && note[strlen (note) - 1] != '.')
                period = ".";
        if (!screen_write_text(ctx, cx, sx, sy, 0, &grid_default_cell, "%s%s",
            note, period))
                return;
        screen_write_cursormove(ctx, cx, s->cy + 1, 0); /* skip line */
        if (s->cy >= cy + sy - 1)
                return;

        if (!screen_write_text(ctx, cx, sx, sy - (s->cy - cy), 0,
            &grid_default_cell, "This key is in the %s table.", kt->name))
                return;
        if (!screen_write_text(ctx, cx, sx, sy - (s->cy - cy), 0,
            &grid_default_cell, "This key %s repeat.",
            (bd->flags & KEY_BINDING_REPEAT) ? "does" : "does not"))
                return;
        screen_write_cursormove(ctx, cx, s->cy + 1, 0); /* skip line */
        if (s->cy >= cy + sy - 1)
                return;

        cmd = cmd_list_print(bd->cmdlist, 0);
        if (!screen_write_text(ctx, cx, sx, sy - (s->cy - cy), 0,
            &grid_default_cell, "Command: %s", cmd)) {
                free(cmd);
                return;
        }
        default_bd = key_bindings_get_default(kt, bd->key);
        if (default_bd != NULL) {
                default_cmd = cmd_list_print(default_bd->cmdlist, 0);
                if (strcmp(cmd, default_cmd) != 0 &&
                    !screen_write_text(ctx, cx, sx, sy - (s->cy - cy), 0,
                    &grid_default_cell, "The default is: %s", default_cmd)) {
                        free(default_cmd);
                        free(cmd);
                        return;
                }
                free(default_cmd);
        }
        free(cmd);
}

static void
window_customize_draw_option(struct window_customize_modedata *data,
    struct window_customize_itemdata *item, struct screen_write_ctx *ctx,
    u_int sx, u_int sy)
{
        struct screen                            *s = ctx->s;
        u_int                                     cx = s->cx, cy = s->cy;
        int                                       idx;
        struct options_entry                     *o, *parent;
        struct options                           *go, *wo;
        const struct options_table_entry         *oe;
        struct grid_cell                          gc;
        const char                              **choice, *text, *name;
        const char                               *space = "", *unit = "";
        char                                     *value = NULL, *expanded;
        char                                     *default_value = NULL;
        char                                      choices[256] = "";
        struct cmd_find_state                     fs;
        struct format_tree                       *ft;

        if (!window_customize_check_item(data, item, &fs))
                return;
        name = item->name;
        idx = item->idx;

        o = options_get(item->oo, name);
        if (o == NULL)
                return;
        oe = options_table_entry(o);

        if (oe != NULL && oe->unit != NULL) {
                space = " ";
                unit = oe->unit;
        }
        ft = format_create_from_state(NULL, NULL, &fs);

        if (oe == NULL || oe->text == NULL)
                text = "This option doesn't have a description.";
        else
                text = oe->text;
        if (!screen_write_text(ctx, cx, sx, sy, 0, &grid_default_cell, "%s",
            text))
                goto out;
        screen_write_cursormove(ctx, cx, s->cy + 1, 0); /* skip line */
        if (s->cy >= cy + sy - 1)
                goto out;

        if (oe == NULL)
                text = "user";
        else if ((oe->scope & (OPTIONS_TABLE_WINDOW|OPTIONS_TABLE_PANE)) ==
            (OPTIONS_TABLE_WINDOW|OPTIONS_TABLE_PANE))
                text = "window and pane";
        else if (oe->scope & OPTIONS_TABLE_WINDOW)
                text = "window";
        else if (oe->scope & OPTIONS_TABLE_SESSION)
                text = "session";
        else
                text = "server";
        if (!screen_write_text(ctx, cx, sx, sy - (s->cy - cy), 0,
            &grid_default_cell, "This is a %s option.", text))
                goto out;
        if (oe != NULL && (oe->flags & OPTIONS_TABLE_IS_ARRAY)) {
                if (idx != -1) {
                        if (!screen_write_text(ctx, cx, sx, sy - (s->cy - cy),
                            0, &grid_default_cell,
                            "This is an array option, index %u.", idx))
                                goto out;
                } else {
                        if (!screen_write_text(ctx, cx, sx, sy - (s->cy - cy),
                            0, &grid_default_cell, "This is an array option."))
                                goto out;
                }
                if (idx == -1)
                        goto out;
        }
        screen_write_cursormove(ctx, cx, s->cy + 1, 0); /* skip line */
        if (s->cy >= cy + sy - 1)
                goto out;

        value = options_to_string(o, idx, 0);
        if (oe != NULL && idx == -1) {
                default_value = options_default_to_string(oe);
                if (strcmp(default_value, value) == 0) {
                        free(default_value);
                        default_value = NULL;
                }
        }
        if (!screen_write_text(ctx, cx, sx, sy - (s->cy - cy), 0,
            &grid_default_cell, "Option value: %s%s%s", value, space, unit))
                goto out;
        if (oe == NULL || oe->type == OPTIONS_TABLE_STRING) {
                expanded = format_expand(ft, value);
                if (strcmp(expanded, value) != 0) {
                        if (!screen_write_text(ctx, cx, sx, sy - (s->cy - cy),
                            0, &grid_default_cell, "This expands to: %s",
                            expanded))
                                goto out;
                }
                free(expanded);
        }
        if (oe != NULL && oe->type == OPTIONS_TABLE_CHOICE) {
                for (choice = oe->choices; *choice != NULL; choice++) {
                        strlcat(choices, *choice, sizeof choices);
                        strlcat(choices, ", ", sizeof choices);
                }
                choices[strlen(choices) - 2] = '\0';
                if (!screen_write_text(ctx, cx, sx, sy - (s->cy - cy), 0,
                    &grid_default_cell, "Available values are: %s",
                    choices))
                        goto out;
        }
        if (oe != NULL && oe->type == OPTIONS_TABLE_COLOUR) {
                if (!screen_write_text(ctx, cx, sx, sy - (s->cy - cy), 1,
                    &grid_default_cell, "This is a colour option: "))
                        goto out;
                memcpy(&gc, &grid_default_cell, sizeof gc);
                gc.fg = options_get_number(item->oo, name);
                if (!screen_write_text(ctx, cx, sx, sy - (s->cy - cy), 0, &gc,
                    "EXAMPLE"))
                        goto out;
        }
        if (oe != NULL && (oe->flags & OPTIONS_TABLE_IS_STYLE)) {
                if (!screen_write_text(ctx, cx, sx, sy - (s->cy - cy), 1,
                    &grid_default_cell, "This is a style option: "))
                        goto out;
                style_apply(&gc, item->oo, name, ft);
                if (!screen_write_text(ctx, cx, sx, sy - (s->cy - cy), 0, &gc,
                    "EXAMPLE"))
                        goto out;
        }
        if (default_value != NULL) {
                if (!screen_write_text(ctx, cx, sx, sy - (s->cy - cy), 0,
                    &grid_default_cell, "The default is: %s%s%s", default_value,
                    space, unit))
                        goto out;
        }

        screen_write_cursormove(ctx, cx, s->cy + 1, 0); /* skip line */
        if (s->cy > cy + sy - 1)
                goto out;
        if (oe != NULL && (oe->flags & OPTIONS_TABLE_IS_ARRAY)) {
                wo = NULL;
                go = NULL;
        } else {
                switch (item->scope) {
                case WINDOW_CUSTOMIZE_PANE:
                        wo = options_get_parent(item->oo);
                        go = options_get_parent(wo);
                        break;
                case WINDOW_CUSTOMIZE_WINDOW:
                case WINDOW_CUSTOMIZE_SESSION:
                        wo = NULL;
                        go = options_get_parent(item->oo);
                        break;
                default:
                        wo = NULL;
                        go = NULL;
                        break;
                }
        }
        if (wo != NULL && options_owner(o) != wo) {
                parent = options_get_only(wo, name);
                if (parent != NULL) {
                        value = options_to_string(parent, -1 , 0);
                        if (!screen_write_text(ctx, s->cx, sx,
                            sy - (s->cy - cy), 0, &grid_default_cell,
                            "Window value (from window %u): %s%s%s", fs.wl->idx,
                            value, space, unit))
                                goto out;
                }
        }
        if (go != NULL && options_owner(o) != go) {
                parent = options_get_only(go, name);
                if (parent != NULL) {
                        value = options_to_string(parent, -1 , 0);
                        if (!screen_write_text(ctx, s->cx, sx,
                            sy - (s->cy - cy), 0, &grid_default_cell,
                            "Global value: %s%s%s", value, space, unit))
                                goto out;
                }
        }

out:
        free(value);
        free(default_value);
        format_free(ft);
}

static void
window_customize_draw(void *modedata, void *itemdata,
    struct screen_write_ctx *ctx, u_int sx, u_int sy)
{
        struct window_customize_modedata        *data = modedata;
        struct window_customize_itemdata        *item = itemdata;

        if (item == NULL)
                return;

        if (item->scope == WINDOW_CUSTOMIZE_KEY)
                window_customize_draw_key(data, item, ctx, sx, sy);
        else
                window_customize_draw_option(data, item, ctx, sx, sy);
}

static void
window_customize_menu(void *modedata, struct client *c, key_code key)
{
        struct window_customize_modedata        *data = modedata;
        struct window_pane                      *wp = data->wp;
        struct window_mode_entry                *wme;

        wme = TAILQ_FIRST(&wp->modes);
        if (wme == NULL || wme->data != modedata)
                return;
        window_customize_key(wme, c, NULL, NULL, key, NULL);
}

static u_int
window_customize_height(__unused void *modedata, __unused u_int height)
{
        return (12);
}

static const char* window_customize_help_lines[] = {
        "\r\033[1m   Enter, s \033[0m\016x\017 \033[0mSet %1 value\n",
        "\r\033[1m          S \033[0m\016x\017 \033[0mSet global %1 value\n",
        "\r\033[1m          w \033[0m\016x\017 \033[0mSet window %1 value\n",
        "\r\033[1m          d \033[0m\016x\017 \033[0mSet to default value\n",
        "\r\033[1m          D \033[0m\016x\017 \033[0mSet tagged %1s to default value\n",
        "\r\033[1m          u \033[0m\016x\017 \033[0mUnset an %1\n",
        "\r\033[1m          U \033[0m\016x\017 \033[0mUnset tagged %1s\n",
        "\r\033[1m          f \033[0m\016x\017 \033[0mEnter a filter\n",
        "\r\033[1m          v \033[0m\016x\017 \033[0mToggle information\n",
        NULL
};

static const char**
window_customize_help(u_int *width, const char **item)
{
        *width = 52;
        *item = "option";
        return (window_customize_help_lines);
}

static struct screen *
window_customize_init(struct window_mode_entry *wme, struct cmd_find_state *fs,
    struct args *args)
{
        struct window_pane                      *wp = wme->wp;
        struct window_customize_modedata        *data;
        struct screen                           *s;

        wme->data = data = xcalloc(1, sizeof *data);
        data->wp = wp;
        data->references = 1;

        memcpy(&data->fs, fs, sizeof data->fs);

        if (args == NULL || !args_has(args, 'F'))
                data->format = xstrdup(WINDOW_CUSTOMIZE_DEFAULT_FORMAT);
        else
                data->format = xstrdup(args_get(args, 'F'));
        if (args_has(args, 'y'))
                data->prompt_flags = PROMPT_ACCEPT;

        data->data = mode_tree_start(wp, args, window_customize_build,
            window_customize_draw, NULL, window_customize_menu,
            window_customize_height, NULL, NULL, NULL, window_customize_help,
            data, window_customize_menu_items, &s);
        mode_tree_zoom(data->data, args);

        mode_tree_build(data->data);
        mode_tree_draw(data->data);

        return (s);
}

static void
window_customize_destroy(struct window_customize_modedata *data)
{
        u_int   i;

        if (--data->references != 0)
                return;

        for (i = 0; i < data->item_size; i++)
                window_customize_free_item(data->item_list[i]);
        free(data->item_list);

        free(data->format);

        free(data);
}

static void
window_customize_free(struct window_mode_entry *wme)
{
        struct window_customize_modedata *data = wme->data;

        if (data == NULL)
                return;

        data->dead = 1;
        mode_tree_free(data->data);
        window_customize_destroy(data);
}

static void
window_customize_resize(struct window_mode_entry *wme, u_int sx, u_int sy)
{
        struct window_customize_modedata        *data = wme->data;

        mode_tree_resize(data->data, sx, sy);
}

static void
window_customize_free_callback(void *modedata)
{
        window_customize_destroy(modedata);
}

static void
window_customize_free_item_callback(void *itemdata)
{
        struct window_customize_itemdata        *item = itemdata;
        struct window_customize_modedata        *data = item->data;

        window_customize_free_item(item);
        window_customize_destroy(data);
}

static int
window_customize_set_option_callback(struct client *c, void *itemdata,
    const char *s, __unused int done)
{
        struct window_customize_itemdata        *item = itemdata;
        struct window_customize_modedata        *data = item->data;
        struct options_entry                    *o;
        const struct options_table_entry        *oe;
        struct options                          *oo = item->oo;
        const char                              *name = item->name;
        char                                    *cause;
        int                                      idx = item->idx;

        if (s == NULL || *s == '\0' || data->dead)
                return (0);
        if (item == NULL || !window_customize_check_item(data, item, NULL))
                return (0);
        o = options_get(oo, name);
        if (o == NULL)
                return (0);
        oe = options_table_entry(o);

        if (oe != NULL && (oe->flags & OPTIONS_TABLE_IS_ARRAY)) {
                if (idx == -1) {
                        for (idx = 0; idx < INT_MAX; idx++) {
                                if (options_array_get(o, idx) == NULL)
                                        break;
                        }
                }
                if (options_array_set(o, idx, s, 0, &cause) != 0)
                        goto fail;
        } else {
                if (options_from_string(oo, oe, name, s, 0, &cause) != 0)
                        goto fail;
        }

        options_push_changes(item->name);
        mode_tree_build(data->data);
        mode_tree_draw(data->data);
        data->wp->flags |= PANE_REDRAW;

        return (0);

fail:
        *cause = toupper((u_char)*cause);
        status_message_set(c, -1, 1, 0, 0, "%s", cause);
        free(cause);
        return (0);
}

static void
window_customize_set_option(struct client *c,
    struct window_customize_modedata *data,
    struct window_customize_itemdata *item, int global, int pane)
{
        struct options_entry                    *o;
        const struct options_table_entry        *oe;
        struct options                          *oo;
        struct window_customize_itemdata        *new_item;
        int                                      flag, idx = item->idx;
        enum window_customize_scope              scope = WINDOW_CUSTOMIZE_NONE;
        u_int                                    choice;
        const char                              *name = item->name, *space = "";
        char                                    *prompt, *value, *text;
        struct cmd_find_state                    fs;

        if (item == NULL || !window_customize_check_item(data, item, &fs))
                return;
        o = options_get(item->oo, name);
        if (o == NULL)
                return;

        oe = options_table_entry(o);
        if (oe != NULL && ~oe->scope & OPTIONS_TABLE_PANE)
                pane = 0;
        if (oe != NULL && (oe->flags & OPTIONS_TABLE_IS_ARRAY)) {
                scope = item->scope;
                oo = item->oo;
        } else {
                if (global) {
                        switch (item->scope) {
                        case WINDOW_CUSTOMIZE_NONE:
                        case WINDOW_CUSTOMIZE_KEY:
                        case WINDOW_CUSTOMIZE_SERVER:
                        case WINDOW_CUSTOMIZE_GLOBAL_SESSION:
                        case WINDOW_CUSTOMIZE_GLOBAL_WINDOW:
                                scope = item->scope;
                                break;
                        case WINDOW_CUSTOMIZE_SESSION:
                                scope = WINDOW_CUSTOMIZE_GLOBAL_SESSION;
                                break;
                        case WINDOW_CUSTOMIZE_WINDOW:
                        case WINDOW_CUSTOMIZE_PANE:
                                scope = WINDOW_CUSTOMIZE_GLOBAL_WINDOW;
                                break;
                        }
                } else {
                        switch (item->scope) {
                        case WINDOW_CUSTOMIZE_NONE:
                        case WINDOW_CUSTOMIZE_KEY:
                        case WINDOW_CUSTOMIZE_SERVER:
                        case WINDOW_CUSTOMIZE_SESSION:
                                scope = item->scope;
                                break;
                        case WINDOW_CUSTOMIZE_WINDOW:
                        case WINDOW_CUSTOMIZE_PANE:
                                if (pane)
                                        scope = WINDOW_CUSTOMIZE_PANE;
                                else
                                        scope = WINDOW_CUSTOMIZE_WINDOW;
                                break;
                        case WINDOW_CUSTOMIZE_GLOBAL_SESSION:
                                scope = WINDOW_CUSTOMIZE_SESSION;
                                break;
                        case WINDOW_CUSTOMIZE_GLOBAL_WINDOW:
                                if (pane)
                                        scope = WINDOW_CUSTOMIZE_PANE;
                                else
                                        scope = WINDOW_CUSTOMIZE_WINDOW;
                                break;
                        }
                }
                if (scope == item->scope)
                        oo = item->oo;
                else
                        oo = window_customize_get_tree(scope, &fs);
        }

        if (oe != NULL && oe->type == OPTIONS_TABLE_FLAG) {
                flag = options_get_number(oo, name);
                options_set_number(oo, name, !flag);
        } else if (oe != NULL && oe->type == OPTIONS_TABLE_CHOICE) {
                choice = options_get_number(oo, name);
                if (oe->choices[choice + 1] == NULL)
                        choice = 0;
                else
                        choice++;
                options_set_number(oo, name, choice);
        } else {
                text = window_customize_scope_text(scope, &fs);
                if (*text != '\0')
                        space = ", for ";
                else if (scope != WINDOW_CUSTOMIZE_SERVER)
                        space = ", global";
                if (oe != NULL && (oe->flags & OPTIONS_TABLE_IS_ARRAY)) {
                        if (idx == -1) {
                                xasprintf(&prompt, "(%s[+]%s%s) ", name, space,
                                    text);
                        } else {
                                xasprintf(&prompt, "(%s[%d]%s%s) ", name, idx,
                                    space, text);
                        }
                } else
                        xasprintf(&prompt, "(%s%s%s) ", name, space, text);
                free(text);

                value = options_to_string(o, idx, 0);

                new_item = xcalloc(1, sizeof *new_item);
                new_item->data = data;
                new_item->scope = scope;
                new_item->oo = oo;
                new_item->name = xstrdup(name);
                new_item->idx = idx;

                data->references++;
                status_prompt_set(c, NULL, prompt, value,
                    window_customize_set_option_callback,
                    window_customize_free_item_callback, new_item,
                    PROMPT_NOFORMAT, PROMPT_TYPE_COMMAND);

                free(prompt);
                free(value);
        }
}

static void
window_customize_unset_option(struct window_customize_modedata *data,
    struct window_customize_itemdata *item)
{
        struct options_entry    *o;

        if (item == NULL || !window_customize_check_item(data, item, NULL))
                return;

        o = options_get(item->oo, item->name);
        if (o == NULL)
                return;
        if (item->idx != -1 && item == mode_tree_get_current(data->data))
                mode_tree_up(data->data, 0);
        options_remove_or_default(o, item->idx, NULL);
}

static void
window_customize_reset_option(struct window_customize_modedata *data,
    struct window_customize_itemdata *item)
{
        struct options          *oo;
        struct options_entry    *o;

        if (item == NULL || !window_customize_check_item(data, item, NULL))
                return;
        if (item->idx != -1)
                return;

        oo = item->oo;
        while (oo != NULL) {
                o = options_get_only(item->oo, item->name);
                if (o != NULL)
                        options_remove_or_default(o, -1, NULL);
                oo = options_get_parent(oo);
        }
}

static int
window_customize_set_command_callback(struct client *c, void *itemdata,
    const char *s, __unused int done)
{
        struct window_customize_itemdata        *item = itemdata;
        struct window_customize_modedata        *data = item->data;
        struct key_binding                      *bd;
        struct cmd_parse_result                 *pr;
        char                                    *error;

        if (s == NULL || *s == '\0' || data->dead)
                return (0);
        if (item == NULL || !window_customize_get_key(item, NULL, &bd))
                return (0);

        pr = cmd_parse_from_string(s, NULL);
        switch (pr->status) {
        case CMD_PARSE_ERROR:
                error = pr->error;
                goto fail;
        case CMD_PARSE_SUCCESS:
                break;
        }
        cmd_list_free(bd->cmdlist);
        bd->cmdlist = pr->cmdlist;

        mode_tree_build(data->data);
        mode_tree_draw(data->data);
        data->wp->flags |= PANE_REDRAW;

        return (0);

fail:
        *error = toupper((u_char)*error);
        status_message_set(c, -1, 1, 0, 0, "%s", error);
        free(error);
        return (0);
}

static int
window_customize_set_note_callback(__unused struct client *c, void *itemdata,
    const char *s, __unused int done)
{
        struct window_customize_itemdata        *item = itemdata;
        struct window_customize_modedata        *data = item->data;
        struct key_binding                      *bd;

        if (s == NULL || *s == '\0' || data->dead)
                return (0);
        if (item == NULL || !window_customize_get_key(item, NULL, &bd))
                return (0);

        free((void *)bd->note);
        bd->note = xstrdup(s);

        mode_tree_build(data->data);
        mode_tree_draw(data->data);
        data->wp->flags |= PANE_REDRAW;

        return (0);
}

static void
window_customize_set_key(struct client *c,
    struct window_customize_modedata *data,
    struct window_customize_itemdata *item)
{
        key_code                                 key = item->key;
        struct key_binding                      *bd;
        const char                              *s;
        char                                    *prompt, *value;
        struct window_customize_itemdata        *new_item;

        if (item == NULL || !window_customize_get_key(item, NULL, &bd))
                return;

        s = mode_tree_get_current_name(data->data);
        if (strcmp(s, "Repeat") == 0)
                bd->flags ^= KEY_BINDING_REPEAT;
        else if (strcmp(s, "Command") == 0) {
                xasprintf(&prompt, "(%s) ", key_string_lookup_key(key, 0));
                value = cmd_list_print(bd->cmdlist, 0);

                new_item = xcalloc(1, sizeof *new_item);
                new_item->data = data;
                new_item->scope = item->scope;
                new_item->table = xstrdup(item->table);
                new_item->key = key;

                data->references++;
                status_prompt_set(c, NULL, prompt, value,
                    window_customize_set_command_callback,
                    window_customize_free_item_callback, new_item,
                    PROMPT_NOFORMAT, PROMPT_TYPE_COMMAND);
                free(prompt);
                free(value);
        } else if (strcmp(s, "Note") == 0) {
                xasprintf(&prompt, "(%s) ", key_string_lookup_key(key, 0));

                new_item = xcalloc(1, sizeof *new_item);
                new_item->data = data;
                new_item->scope = item->scope;
                new_item->table = xstrdup(item->table);
                new_item->key = key;

                data->references++;
                status_prompt_set(c, NULL, prompt,
                    (bd->note == NULL ? "" : bd->note),
                    window_customize_set_note_callback,
                    window_customize_free_item_callback, new_item,
                    PROMPT_NOFORMAT, PROMPT_TYPE_COMMAND);
                free(prompt);
        }
}

static void
window_customize_unset_key(struct window_customize_modedata *data,
    struct window_customize_itemdata *item)
{
        struct key_table        *kt;
        struct key_binding      *bd;

        if (item == NULL || !window_customize_get_key(item, &kt, &bd))
                return;

        if (item == mode_tree_get_current(data->data)) {
                mode_tree_collapse_current(data->data);
                mode_tree_up(data->data, 0);
        }
        key_bindings_remove(kt->name, bd->key);
}

static void
window_customize_reset_key(struct window_customize_modedata *data,
    struct window_customize_itemdata *item)
{
        struct key_table        *kt;
        struct key_binding      *dd, *bd;

        if (item == NULL || !window_customize_get_key(item, &kt, &bd))
                return;

        dd = key_bindings_get_default(kt, bd->key);
        if (dd != NULL && bd->cmdlist == dd->cmdlist)
                return;
        if (dd == NULL && item == mode_tree_get_current(data->data)) {
                mode_tree_collapse_current(data->data);
                mode_tree_up(data->data, 0);
        }
        key_bindings_reset(kt->name, bd->key);
}

static void
window_customize_change_each(void *modedata, void *itemdata,
    __unused struct client *c, __unused key_code key)
{
        struct window_customize_modedata        *data = modedata;
        struct window_customize_itemdata        *item = itemdata;

        switch (data->change) {
        case WINDOW_CUSTOMIZE_UNSET:
                if (item->scope == WINDOW_CUSTOMIZE_KEY)
                        window_customize_unset_key(data, item);
                else
                        window_customize_unset_option(data, item);
                break;
        case WINDOW_CUSTOMIZE_RESET:
                if (item->scope == WINDOW_CUSTOMIZE_KEY)
                        window_customize_reset_key(data, item);
                else
                        window_customize_reset_option(data, item);
                break;
        }
        if (item->scope != WINDOW_CUSTOMIZE_KEY)
                options_push_changes(item->name);
}

static int
window_customize_change_current_callback(__unused struct client *c,
    void *modedata, const char *s, __unused int done)
{
        struct window_customize_modedata        *data = modedata;
        struct window_customize_itemdata        *item;

        if (s == NULL || *s == '\0' || data->dead)
                return (0);
        if (tolower((u_char) s[0]) != 'y' || s[1] != '\0')
                return (0);

        item = mode_tree_get_current(data->data);
        switch (data->change) {
        case WINDOW_CUSTOMIZE_UNSET:
                if (item->scope == WINDOW_CUSTOMIZE_KEY)
                        window_customize_unset_key(data, item);
                else
                        window_customize_unset_option(data, item);
                break;
        case WINDOW_CUSTOMIZE_RESET:
                if (item->scope == WINDOW_CUSTOMIZE_KEY)
                        window_customize_reset_key(data, item);
                else
                        window_customize_reset_option(data, item);
                break;
        }
        if (item->scope != WINDOW_CUSTOMIZE_KEY)
                options_push_changes(item->name);
        mode_tree_build(data->data);
        mode_tree_draw(data->data);
        data->wp->flags |= PANE_REDRAW;

        return (0);
}

static int
window_customize_change_tagged_callback(struct client *c, void *modedata,
    const char *s, __unused int done)
{
        struct window_customize_modedata        *data = modedata;

        if (s == NULL || *s == '\0' || data->dead)
                return (0);
        if (tolower((u_char) s[0]) != 'y' || s[1] != '\0')
                return (0);

        mode_tree_each_tagged(data->data, window_customize_change_each, c,
            KEYC_NONE, 0);
        mode_tree_build(data->data);
        mode_tree_draw(data->data);
        data->wp->flags |= PANE_REDRAW;

        return (0);
}

static void
window_customize_key(struct window_mode_entry *wme, struct client *c,
    __unused struct session *s, __unused struct winlink *wl, key_code key,
    struct mouse_event *m)
{
        struct window_pane                      *wp = wme->wp;
        struct window_customize_modedata        *data = wme->data;
        struct window_customize_itemdata        *item, *new_item;
        int                                      finished, idx;
        char                                    *prompt;
        u_int                                    tagged;

        item = mode_tree_get_current(data->data);
        finished = mode_tree_key(data->data, c, &key, m, NULL, NULL);
        if (item != (new_item = mode_tree_get_current(data->data)))
                item = new_item;

        switch (key) {
        case '\r':
        case 's':
                if (item == NULL)
                        break;
                if (item->scope == WINDOW_CUSTOMIZE_KEY)
                        window_customize_set_key(c, data, item);
                else {
                        window_customize_set_option(c, data, item, 0, 1);
                        options_push_changes(item->name);
                }
                mode_tree_build(data->data);
                break;
        case 'w':
                if (item == NULL || item->scope == WINDOW_CUSTOMIZE_KEY)
                        break;
                window_customize_set_option(c, data, item, 0, 0);
                options_push_changes(item->name);
                mode_tree_build(data->data);
                break;
        case 'S':
        case 'W':
                if (item == NULL || item->scope == WINDOW_CUSTOMIZE_KEY)
                        break;
                window_customize_set_option(c, data, item, 1, 0);
                options_push_changes(item->name);
                mode_tree_build(data->data);
                break;
        case 'd':
                if (item == NULL || item->idx != -1)
                        break;
                xasprintf(&prompt, "Reset %s to default? ", item->name);
                data->references++;
                data->change = WINDOW_CUSTOMIZE_RESET;
                status_prompt_set(c, NULL, prompt, "",
                    window_customize_change_current_callback,
                    window_customize_free_callback, data,
                    PROMPT_SINGLE|PROMPT_NOFORMAT|data->prompt_flags,
                    PROMPT_TYPE_COMMAND);
                free(prompt);
                break;
        case 'D':
                tagged = mode_tree_count_tagged(data->data);
                if (tagged == 0)
                        break;
                xasprintf(&prompt, "Reset %u tagged to default? ", tagged);
                data->references++;
                data->change = WINDOW_CUSTOMIZE_RESET;
                status_prompt_set(c, NULL, prompt, "",
                    window_customize_change_tagged_callback,
                    window_customize_free_callback, data,
                    PROMPT_SINGLE|PROMPT_NOFORMAT|data->prompt_flags,
                    PROMPT_TYPE_COMMAND);
                free(prompt);
                break;
        case 'u':
                if (item == NULL)
                        break;
                idx = item->idx;
                if (idx != -1)
                        xasprintf(&prompt, "Unset %s[%d]? ", item->name, idx);
                else
                        xasprintf(&prompt, "Unset %s? ", item->name);
                data->references++;
                data->change = WINDOW_CUSTOMIZE_UNSET;
                status_prompt_set(c, NULL, prompt, "",
                    window_customize_change_current_callback,
                    window_customize_free_callback, data,
                    PROMPT_SINGLE|PROMPT_NOFORMAT|data->prompt_flags,
                    PROMPT_TYPE_COMMAND);
                free(prompt);
                break;
        case 'U':
                tagged = mode_tree_count_tagged(data->data);
                if (tagged == 0)
                        break;
                xasprintf(&prompt, "Unset %u tagged? ", tagged);
                data->references++;
                data->change = WINDOW_CUSTOMIZE_UNSET;
                status_prompt_set(c, NULL, prompt, "",
                    window_customize_change_tagged_callback,
                    window_customize_free_callback, data,
                    PROMPT_SINGLE|PROMPT_NOFORMAT|data->prompt_flags,
                    PROMPT_TYPE_COMMAND);
                free(prompt);
                break;
        case 'H':
                data->hide_global = !data->hide_global;
                mode_tree_build(data->data);
                break;
        }
        if (finished)
                window_pane_reset_mode(wp);
        else {
                mode_tree_draw(data->data);
                wp->flags |= PANE_REDRAW;
        }
}