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https://github.com/u-boot/u-boot.git
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699b0acb52
Provide a way to set the full dimensions of objects, i.e. including the width and height. For menus, calculate the bounding box of all objects in the menu. Set all labels to be the same size, so that highlighting works correct, once implemented. Signed-off-by: Simon Glass <sjg@chromium.org>
460 lines
11 KiB
C
460 lines
11 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Implementation of a menu in a scene
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*
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* Copyright 2022 Google LLC
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#define LOG_CATEGORY LOGC_EXPO
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#include <common.h>
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#include <dm.h>
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#include <expo.h>
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#include <malloc.h>
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#include <mapmem.h>
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#include <menu.h>
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#include <video.h>
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#include <video_console.h>
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#include <linux/input.h>
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#include "scene_internal.h"
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static void scene_menuitem_destroy(struct scene_menitem *item)
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{
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free(item->name);
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free(item);
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}
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void scene_menu_destroy(struct scene_obj_menu *menu)
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{
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struct scene_menitem *item, *next;
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list_for_each_entry_safe(item, next, &menu->item_head, sibling)
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scene_menuitem_destroy(item);
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}
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/**
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* menu_point_to_item() - Point to a particular menu item
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*
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* Sets the currently pointed-to / highlighted menu item
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*/
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static void menu_point_to_item(struct scene_obj_menu *menu, uint item_id)
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{
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menu->cur_item_id = item_id;
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}
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static int scene_bbox_union(struct scene *scn, uint id,
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struct vidconsole_bbox *bbox)
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{
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struct scene_obj *obj;
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if (!id)
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return 0;
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obj = scene_obj_find(scn, id, SCENEOBJT_NONE);
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if (!obj)
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return log_msg_ret("obj", -ENOENT);
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if (bbox->valid) {
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bbox->x0 = min(bbox->x0, obj->dim.x);
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bbox->y0 = min(bbox->y0, obj->dim.y);
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bbox->x1 = max(bbox->x1, obj->dim.x + obj->dim.w);
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bbox->y1 = max(bbox->y1, obj->dim.y + obj->dim.h);
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} else {
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bbox->x0 = obj->dim.x;
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bbox->y0 = obj->dim.y;
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bbox->x1 = obj->dim.x + obj->dim.w;
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bbox->y1 = obj->dim.y + obj->dim.h;
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bbox->valid = true;
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}
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return 0;
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}
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/**
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* scene_menu_calc_bbox() - Calculate bounding boxes for the menu
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*
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* @menu: Menu to process
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* @bbox: Returns bounding box of menu including prompts
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* @label_bbox: Returns bounding box of labels
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*/
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static void scene_menu_calc_bbox(struct scene_obj_menu *menu,
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struct vidconsole_bbox *bbox,
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struct vidconsole_bbox *label_bbox)
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{
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const struct scene_menitem *item;
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bbox->valid = false;
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scene_bbox_union(menu->obj.scene, menu->title_id, bbox);
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label_bbox->valid = false;
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list_for_each_entry(item, &menu->item_head, sibling) {
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scene_bbox_union(menu->obj.scene, item->label_id, bbox);
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scene_bbox_union(menu->obj.scene, item->key_id, bbox);
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scene_bbox_union(menu->obj.scene, item->desc_id, bbox);
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scene_bbox_union(menu->obj.scene, item->preview_id, bbox);
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/* Get the bounding box of all labels */
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scene_bbox_union(menu->obj.scene, item->label_id, label_bbox);
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}
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}
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int scene_menu_calc_dims(struct scene_obj_menu *menu)
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{
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struct vidconsole_bbox bbox, label_bbox;
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const struct scene_menitem *item;
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scene_menu_calc_bbox(menu, &bbox, &label_bbox);
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/* Make all labels the same size */
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if (label_bbox.valid) {
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list_for_each_entry(item, &menu->item_head, sibling) {
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scene_obj_set_size(menu->obj.scene, item->label_id,
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label_bbox.x1 - label_bbox.x0,
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label_bbox.y1 - label_bbox.y0);
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}
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}
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if (bbox.valid) {
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menu->obj.dim.w = bbox.x1 - bbox.x0;
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menu->obj.dim.h = bbox.y1 - bbox.y0;
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}
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return 0;
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}
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int scene_menu_arrange(struct scene *scn, struct scene_obj_menu *menu)
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{
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struct scene_menitem *item;
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int y, cur_y;
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int ret;
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y = menu->obj.dim.y;
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if (menu->title_id) {
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ret = scene_obj_set_pos(scn, menu->title_id, menu->obj.dim.x, y);
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if (ret < 0)
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return log_msg_ret("tit", ret);
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ret = scene_obj_get_hw(scn, menu->title_id, NULL);
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if (ret < 0)
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return log_msg_ret("hei", ret);
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y += ret * 2;
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}
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/*
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* Currently everything is hard-coded to particular columns so this
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* won't work on small displays and looks strange if the font size is
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* small. This can be updated once text measuring is supported in
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* vidconsole
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*/
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cur_y = -1;
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list_for_each_entry(item, &menu->item_head, sibling) {
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int height;
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ret = scene_obj_get_hw(scn, item->desc_id, NULL);
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if (ret < 0)
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return log_msg_ret("get", ret);
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height = ret;
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if (item->flags & SCENEMIF_GAP_BEFORE)
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y += height;
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/* select an item if not done already */
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if (!menu->cur_item_id)
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menu_point_to_item(menu, item->id);
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/*
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* Put the label on the left, then leave a space for the
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* pointer, then the key and the description
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*/
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if (item->label_id) {
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ret = scene_obj_set_pos(scn, item->label_id, menu->obj.dim.x,
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y);
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if (ret < 0)
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return log_msg_ret("nam", ret);
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}
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ret = scene_obj_set_pos(scn, item->key_id, menu->obj.dim.x + 230,
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y);
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if (ret < 0)
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return log_msg_ret("key", ret);
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ret = scene_obj_set_pos(scn, item->desc_id, menu->obj.dim.x + 280,
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y);
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if (ret < 0)
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return log_msg_ret("des", ret);
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if (menu->cur_item_id == item->id)
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cur_y = y;
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if (item->preview_id) {
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bool hide;
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/*
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* put all previews on top of each other, on the right
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* size of the display
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*/
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ret = scene_obj_set_pos(scn, item->preview_id, -4, y);
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if (ret < 0)
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return log_msg_ret("prev", ret);
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hide = menu->cur_item_id != item->id;
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ret = scene_obj_set_hide(scn, item->preview_id, hide);
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if (ret < 0)
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return log_msg_ret("hid", ret);
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}
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y += height;
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}
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if (menu->pointer_id && cur_y != -1) {
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/*
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* put the pointer to the right of and level with the item it
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* points to
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*/
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ret = scene_obj_set_pos(scn, menu->pointer_id,
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menu->obj.dim.x + 200, cur_y);
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if (ret < 0)
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return log_msg_ret("ptr", ret);
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}
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return 0;
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}
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int scene_menu(struct scene *scn, const char *name, uint id,
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struct scene_obj_menu **menup)
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{
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struct scene_obj_menu *menu;
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int ret;
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ret = scene_obj_add(scn, name, id, SCENEOBJT_MENU,
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sizeof(struct scene_obj_menu),
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(struct scene_obj **)&menu);
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if (ret < 0)
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return log_msg_ret("obj", -ENOMEM);
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if (menup)
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*menup = menu;
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INIT_LIST_HEAD(&menu->item_head);
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return menu->obj.id;
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}
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static struct scene_menitem *scene_menu_find_key(struct scene *scn,
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struct scene_obj_menu *menu,
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int key)
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{
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struct scene_menitem *item;
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list_for_each_entry(item, &menu->item_head, sibling) {
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if (item->key_id) {
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struct scene_obj_txt *txt;
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const char *str;
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txt = scene_obj_find(scn, item->key_id, SCENEOBJT_TEXT);
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if (txt) {
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str = expo_get_str(scn->expo, txt->str_id);
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if (str && *str == key)
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return item;
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}
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}
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}
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return NULL;
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}
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int scene_menu_send_key(struct scene *scn, struct scene_obj_menu *menu, int key,
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struct expo_action *event)
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{
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struct scene_menitem *item, *cur, *key_item;
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cur = NULL;
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key_item = NULL;
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if (!list_empty(&menu->item_head)) {
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list_for_each_entry(item, &menu->item_head, sibling) {
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/* select an item if not done already */
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if (menu->cur_item_id == item->id) {
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cur = item;
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break;
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}
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}
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}
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if (!cur)
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return -ENOTTY;
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switch (key) {
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case BKEY_UP:
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if (item != list_first_entry(&menu->item_head,
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struct scene_menitem, sibling)) {
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item = list_entry(item->sibling.prev,
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struct scene_menitem, sibling);
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event->type = EXPOACT_POINT;
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event->select.id = item->id;
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log_debug("up to item %d\n", event->select.id);
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}
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break;
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case BKEY_DOWN:
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if (!list_is_last(&item->sibling, &menu->item_head)) {
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item = list_entry(item->sibling.next,
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struct scene_menitem, sibling);
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event->type = EXPOACT_POINT;
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event->select.id = item->id;
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log_debug("down to item %d\n", event->select.id);
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}
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break;
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case BKEY_SELECT:
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event->type = EXPOACT_SELECT;
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event->select.id = item->id;
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log_debug("select item %d\n", event->select.id);
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break;
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case BKEY_QUIT:
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event->type = EXPOACT_QUIT;
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log_debug("quit\n");
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break;
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case '0'...'9':
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key_item = scene_menu_find_key(scn, menu, key);
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if (key_item) {
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event->type = EXPOACT_SELECT;
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event->select.id = key_item->id;
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}
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break;
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}
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menu_point_to_item(menu, item->id);
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return 0;
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}
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int scene_menuitem(struct scene *scn, uint menu_id, const char *name, uint id,
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uint key_id, uint label_id, uint desc_id, uint preview_id,
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uint flags, struct scene_menitem **itemp)
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{
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struct scene_obj_menu *menu;
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struct scene_menitem *item;
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menu = scene_obj_find(scn, menu_id, SCENEOBJT_MENU);
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if (!menu)
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return log_msg_ret("find", -ENOENT);
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/* Check that the text ID is valid */
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if (!scene_obj_find(scn, desc_id, SCENEOBJT_TEXT))
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return log_msg_ret("txt", -EINVAL);
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item = calloc(1, sizeof(struct scene_obj_menu));
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if (!item)
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return log_msg_ret("item", -ENOMEM);
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item->name = strdup(name);
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if (!item->name) {
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free(item);
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return log_msg_ret("name", -ENOMEM);
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}
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item->id = resolve_id(scn->expo, id);
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item->key_id = key_id;
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item->label_id = label_id;
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item->desc_id = desc_id;
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item->preview_id = preview_id;
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item->flags = flags;
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list_add_tail(&item->sibling, &menu->item_head);
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if (itemp)
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*itemp = item;
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return item->id;
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}
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int scene_menu_set_title(struct scene *scn, uint id, uint title_id)
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{
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struct scene_obj_menu *menu;
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struct scene_obj_txt *txt;
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menu = scene_obj_find(scn, id, SCENEOBJT_MENU);
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if (!menu)
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return log_msg_ret("menu", -ENOENT);
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/* Check that the ID is valid */
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if (title_id) {
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txt = scene_obj_find(scn, title_id, SCENEOBJT_TEXT);
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if (!txt)
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return log_msg_ret("txt", -EINVAL);
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}
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menu->title_id = title_id;
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return 0;
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}
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int scene_menu_set_pointer(struct scene *scn, uint id, uint pointer_id)
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{
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struct scene_obj_menu *menu;
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struct scene_obj *obj;
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menu = scene_obj_find(scn, id, SCENEOBJT_MENU);
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if (!menu)
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return log_msg_ret("menu", -ENOENT);
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/* Check that the ID is valid */
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if (pointer_id) {
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obj = scene_obj_find(scn, pointer_id, SCENEOBJT_NONE);
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if (!obj)
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return log_msg_ret("obj", -EINVAL);
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}
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menu->pointer_id = pointer_id;
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return 0;
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}
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int scene_menu_display(struct scene_obj_menu *menu)
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{
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struct scene *scn = menu->obj.scene;
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struct scene_obj_txt *pointer;
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struct expo *exp = scn->expo;
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struct scene_menitem *item;
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const char *pstr;
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printf("U-Boot : Boot Menu\n\n");
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if (menu->title_id) {
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struct scene_obj_txt *txt;
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const char *str;
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txt = scene_obj_find(scn, menu->title_id, SCENEOBJT_TEXT);
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if (!txt)
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return log_msg_ret("txt", -EINVAL);
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str = expo_get_str(exp, txt->str_id);
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printf("%s\n\n", str);
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}
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if (list_empty(&menu->item_head))
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return 0;
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pointer = scene_obj_find(scn, menu->pointer_id, SCENEOBJT_TEXT);
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pstr = expo_get_str(scn->expo, pointer->str_id);
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list_for_each_entry(item, &menu->item_head, sibling) {
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struct scene_obj_txt *key = NULL, *label = NULL;
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struct scene_obj_txt *desc = NULL;
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const char *kstr = NULL, *lstr = NULL, *dstr = NULL;
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key = scene_obj_find(scn, item->key_id, SCENEOBJT_TEXT);
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if (key)
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kstr = expo_get_str(exp, key->str_id);
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label = scene_obj_find(scn, item->label_id, SCENEOBJT_TEXT);
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if (label)
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lstr = expo_get_str(exp, label->str_id);
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desc = scene_obj_find(scn, item->desc_id, SCENEOBJT_TEXT);
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if (desc)
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dstr = expo_get_str(exp, desc->str_id);
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printf("%3s %3s %-10s %s\n",
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pointer && menu->cur_item_id == item->id ? pstr : "",
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kstr, lstr, dstr);
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}
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return -ENOTSUPP;
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}
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