Marlin_Firmware/Marlin/src/core/multi_language.h
2019-10-13 18:31:28 -04:00

80 lines
3.0 KiB
C

/********************
* multi_language.h *
********************/
/****************************************************************************
* Written By Marcio Teixeira 2019 - Aleph Objects, Inc. *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* To view a copy of the GNU General Public License, go to the following *
* location: <http://www.gnu.org/licenses/>. *
****************************************************************************/
#pragma once
typedef const char Language_Str[];
#if defined(LCD_LANGUAGE_5)
#define NUM_LANGUAGES 5
#elif defined(LCD_LANGUAGE_4)
#define NUM_LANGUAGES 4
#elif defined(LCD_LANGUAGE_3)
#define NUM_LANGUAGES 3
#elif defined(LCD_LANGUAGE_2)
#define NUM_LANGUAGES 2
#else
#define NUM_LANGUAGES 1
#endif
// Setting the unused languages equal to each other allows
// the compiler to optimize away the conditionals
#ifndef LCD_LANGUAGE_2
#define LCD_LANGUAGE_2 LCD_LANGUAGE
#endif
#ifndef LCD_LANGUAGE_3
#define LCD_LANGUAGE_3 LCD_LANGUAGE_2
#endif
#ifndef LCD_LANGUAGE_4
#define LCD_LANGUAGE_4 LCD_LANGUAGE_3
#endif
#ifndef LCD_LANGUAGE_5
#define LCD_LANGUAGE_5 LCD_LANGUAGE_4
#endif
#define _GET_LANG(LANG) Language_##LANG
#define GET_LANG(LANG) _GET_LANG(LANG)
#if NUM_LANGUAGES > 1
extern uint8_t lang;
#define GET_TEXT(MSG) ( \
lang == 0 ? GET_LANG(LCD_LANGUAGE)::MSG : \
lang == 1 ? GET_LANG(LCD_LANGUAGE_2)::MSG : \
lang == 2 ? GET_LANG(LCD_LANGUAGE_3)::MSG : \
lang == 3 ? GET_LANG(LCD_LANGUAGE_4)::MSG : \
GET_LANG(LCD_LANGUAGE_5)::MSG \
)
#define MAX_LANG_CHARSIZE _MAX(GET_LANG(LCD_LANGUAGE)::CHARSIZE, \
GET_LANG(LCD_LANGUAGE_2)::CHARSIZE, \
GET_LANG(LCD_LANGUAGE_3)::CHARSIZE, \
GET_LANG(LCD_LANGUAGE_4)::CHARSIZE, \
GET_LANG(LCD_LANGUAGE_5)::CHARSIZE)
#else
#define GET_TEXT(MSG) GET_LANG(LCD_LANGUAGE)::MSG
#define MAX_LANG_CHARSIZE GET_LANG(LCD_LANGUAGE)::CHARSIZE
#endif
#define GET_TEXT_F(MSG) (const __FlashStringHelper*)GET_TEXT(MSG)
#define MSG_CONCAT(A,B) pgm_p_pair_t(GET_TEXT(A),GET_TEXT(B))