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https://github.com/AsahiLinux/u-boot
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226777f170
A menu is a key part of the expo design. It consists of a number of items which the user can select from. Add the initial implementation of this. Signed-off-by: Simon Glass <sjg@chromium.org>
390 lines
8.8 KiB
C
390 lines
8.8 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_BOOT
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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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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.y;
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if (menu->title_id) {
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ret = scene_obj_set_pos(scn, menu->title_id, menu->obj.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.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.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.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.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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ret = scene_menu_arrange(scn, menu);
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if (ret)
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return log_msg_ret("pos", ret);
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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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int ret;
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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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ret = scene_menu_arrange(scn, menu);
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if (ret)
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return log_msg_ret("pos", ret);
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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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