c39f95465b
keep running into the rigid nature of do_menu it isn't too bad when you don't need voice but once you do the fun awaits do_menu likes to talk on menu enter which is in a loop when you use do_menu I would like to move the processing to the callback TOO BAD you only get an action and the menu_item_ex struct you sent it when calling the function Change-Id: Iaefd0cc133435d675b7dd27a558c504d6ccb327a
225 lines
11 KiB
C
225 lines
11 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 Robert E. Hak
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef __MENU_H__
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#define __MENU_H__
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#include <stdbool.h>
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#include "icon.h"
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#include "icons.h"
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#include "root_menu.h" /* needed for MENU_* return codes */
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#include "settings_list.h"
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#include "gui/list.h"
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enum menu_item_type {
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MT_MENU = 0,
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MT_SETTING,
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MT_SETTING_W_TEXT, /* same as setting, but uses different
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text for the setting title,
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ID2P() or "literal" for the str param */
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MT_FUNCTION_CALL, /* call a function from the menus */
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MT_RETURN_ID, /* returns the position of the selected item (starting at 0)*/
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MT_RETURN_VALUE, /* returns a value associated with an item */
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};
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#define MENU_TYPE_MASK 0xF /* MT_* type */
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struct menu_func {
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union {
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int (*function_w_param)(void* param); /* intptr_t instead of void*
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for 64bit systems */
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int (*function)(void);
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};
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void *param; /* passed to function_w_param */
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};
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/* these next two are mutually exclusive */
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#define MENU_HAS_DESC 0x10
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#define MENU_DYNAMIC_DESC 0x20 /* the name of this menu item is set by the \
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list_get_name callback */
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#define MENU_EXITAFTERTHISMENU 0x40 /* do_menu() will exiting out of any \
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menu item with this flag set */
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/* Flags for MT_FUNCTION_CALL */
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#define MENU_FUNC_USEPARAM 0x80
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#define MENU_FUNC_CHECK_RETVAL 0x100
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#define MENU_COUNT_MASK 0xFFF
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#define MENU_COUNT_SHIFT 12
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#define MENU_ITEM_COUNT(c) ((c&MENU_COUNT_MASK)<<MENU_COUNT_SHIFT)
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#define MENU_GET_COUNT(flags) ((flags>>MENU_COUNT_SHIFT)&MENU_COUNT_MASK)
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struct menu_item_ex {
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unsigned int flags; /* above defines */
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union {
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const struct menu_item_ex **submenus; /* used with MT_MENU */
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void *variable; /* used with MT_SETTING,
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must be in the settings_list.c list */
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const struct menu_func *function; /* MT_FUNCTION_* */
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const char **strings; /* used with MT_RETURN_ID */
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int value; /* MT_RETURN_VALUE */
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};
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union {
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/* For settings */
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int (*menu_callback)(int action, const struct menu_item_ex *this_item,
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struct gui_synclist *this_list);
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/* For everything else, except if the text is dynamic */
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const struct menu_callback_with_desc {
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int (*menu_callback)(int action,
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const struct menu_item_ex *this_item,
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struct gui_synclist *this_list);
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unsigned char *desc; /* string or ID */
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int icon_id; /* from icons_6x8 in icons.h */
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} *callback_and_desc;
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/* For when the item text is dynamic */
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const struct menu_get_name_and_icon {
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int (*menu_callback)(int action,
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const struct menu_item_ex *this_item,
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struct gui_synclist *this_list);
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char *(*list_get_name)(int selected_item, void * data,
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char *buffer, size_t buffer_len);
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int (*list_speak_item)(int selected_item, void * data);
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void *list_get_name_data;
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int icon_id;
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} *menu_get_name_and_icon;
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};
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};
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typedef int (*menu_callback_type)(int action,
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const struct menu_item_ex *this_item,
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struct gui_synclist *this_list);
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void do_setting_from_menu(const struct menu_item_ex *temp,
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struct viewport parent[NB_SCREENS]);
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void do_setting_screen(const struct settings_list *setting, const char * title,
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struct viewport parent[NB_SCREENS]);
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/*
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int do_menu(const struct menu_item_ex *menu, int *start_selected)
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Return value - usually one of the GO_TO_* values from root_menu.h,
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however, some of the following defines can cause this to
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return a different value.
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*menu - The menu to run, can be a pointer to a MAKE_MENU() variable,
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MENUITEM_STRINGLIST() or MENUITEM_RETURNVALUE() variable.
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*start_selected - the item to select when the menu is first run.
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When do_menu() returns, this will be set to the
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index of the selected item at the time of the exit.
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This is always set, even if the menu was cancelled.
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If NULL it is ignored and the firs item starts selected
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*/
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int do_menu(const struct menu_item_ex *menu, int *start_selected,
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struct viewport parent[NB_SCREENS], bool hide_theme);
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/* In all the following macros the argument names are as follows:
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- name: The name for the variable (so it can be used in a MAKE_MENU()
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- str: the string to display for this menu item. use ID2P() for LANG_* id's
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- callback: The callback function to call for this menu item.
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*/
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/* Use this to put a setting into a menu.
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The setting must appear in settings_list.c.
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If the setting is not configured properly, the menu will display "Not Done yet!"
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When the user selects this item the setting select screen will load,
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when that screen exits the user wll be back in the menu */
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#define MENUITEM_SETTING(name,var,callback) \
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static const struct menu_item_ex name = \
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{MT_SETTING, {.variable = (void*)var},{callback}};
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/* Use this for settings which have a differnt title in their
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setting screen than in the menu (e.g scroll options */
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#define MENUITEM_SETTING_W_TEXT(name, var, str, callback ) \
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static const struct menu_callback_with_desc name##__ = \
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{callback,str, Icon_NOICON}; \
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static const struct menu_item_ex name = \
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{MT_SETTING_W_TEXT|MENU_HAS_DESC, {.variable = (void*)var }, \
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{.callback_and_desc = & name##__}};
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/* Use this To create a list of Strings (or ID2P()'s )
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When the user enters this list and selects one, the menu will exit
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and do_menu() will return value the index of the chosen item.
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if the user cancels, GO_TO_PREVIOUS will be returned */
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#define MENUITEM_STRINGLIST(name, str, callback, ... ) \
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static const char *name##_[] = {__VA_ARGS__}; \
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static const struct menu_callback_with_desc name##__ = \
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{callback,str, Icon_NOICON}; \
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static const struct menu_item_ex name = \
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{MT_RETURN_ID|MENU_HAS_DESC| \
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MENU_ITEM_COUNT(sizeof( name##_)/sizeof(*name##_)), \
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{ .strings = name##_},{.callback_and_desc = & name##__}};
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/* causes do_menu() to return a value associated with the item */
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#define MENUITEM_RETURNVALUE(name, str, val, cb, icon) \
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static const struct menu_callback_with_desc name##_ = {cb,str,icon}; \
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static const struct menu_item_ex name = \
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{ MT_RETURN_VALUE|MENU_HAS_DESC, { .value = val}, \
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{.callback_and_desc = & name##_}};
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/* same as above, except the item name is dynamic */
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#define MENUITEM_RETURNVALUE_DYNTEXT(name, val, cb, text_callback, \
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voice_callback, text_cb_data, icon) \
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static const struct menu_get_name_and_icon name##_ \
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= {cb,text_callback,voice_callback,text_cb_data,icon}; \
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static const struct menu_item_ex name = \
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{ MT_RETURN_VALUE|MENU_DYNAMIC_DESC, { .value = val}, \
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{.menu_get_name_and_icon = & name##_}};
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/* Use this to put a function call into the menu.
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When the user selects this item the function will be run,
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if MENU_FUNC_CHECK_RETVAL is set, the return value
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will be checked, returning 1 will exit do_menu();
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if MENU_FUNC_USEPARAM is set, param will be passed to the function */
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#define MENUITEM_FUNCTION(name, flags, str, func, param, \
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callback, icon) \
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static const struct menu_callback_with_desc name##_ = {callback,str,icon}; \
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static const struct menu_func name##__ = {{(void*)func}, param}; \
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/* should be const, but recording_settings wont let us do that */ \
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const struct menu_item_ex name = \
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{ MT_FUNCTION_CALL|MENU_HAS_DESC|flags, \
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{ .function = & name##__}, {.callback_and_desc = & name##_}};
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/* As above, except the text is dynamic */
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#define MENUITEM_FUNCTION_DYNTEXT(name, flags, func, param, \
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text_callback, voice_callback, \
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text_cb_data, callback, icon) \
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static const struct menu_get_name_and_icon name##_ \
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= {callback,text_callback,voice_callback,text_cb_data,icon}; \
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static const struct menu_func name##__ = {{(void*)func}, param}; \
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const struct menu_item_ex name = \
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{ MT_FUNCTION_CALL|MENU_DYNAMIC_DESC|flags, \
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{ .function = & name##__}, {.menu_get_name_and_icon = & name##_}};
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/* Use this to actually create a menu. the ... argument is a list of pointers
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to any of the above macro'd variables.
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(It can also have other menus in the list.) */
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#define MAKE_MENU( name, str, callback, icon, ... ) \
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static const struct menu_item_ex *name##_[] = {__VA_ARGS__}; \
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static const struct menu_callback_with_desc name##__ = {callback,str,icon};\
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const struct menu_item_ex name = \
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{MT_MENU|MENU_HAS_DESC| \
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MENU_ITEM_COUNT(sizeof( name##_)/sizeof(*name##_)), \
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{ (void*)name##_},{.callback_and_desc = & name##__}};
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#endif /* End __MENU_H__ */
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