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@ -18,29 +18,72 @@
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* To view a copy of the GNU General Public License, go to the following *
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* location: <http://www.gnu.org/licenses/>. *
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****************************************************************************/
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#pragma once
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enum class String_Indices { LANGUAGE_STRINGS, COUNT };
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typedef const char Language_Str[];
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typedef const char* const Language_Strings[int(String_Indices::COUNT)];
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typedef const Language_Strings* const Language_List[];
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#ifndef TOUCH_UI_LANGUAGE_MENU
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// Default mode, support only one language.
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#define __GET_TEXTF(MSG,LANG) Language_##LANG::MSG
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#define _GET_TEXTF(MSG,LANG) __GET_TEXTF(MSG,LANG)
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#define GET_TEXTF(MSG) reinterpret_cast<const __FlashStringHelper *>(_GET_TEXTF(MSG,LCD_LANGUAGE))
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#define GET_TEXT(MSG) _GET_TEXTF(MSG,LCD_LANGUAGE)
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#define MAKE_LANGUAGE_STRINGS()
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// Count how many languages are defined.
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#if defined(LCD_LANGUAGE_5)
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#define NUM_LANGUAGES 5
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#elif defined(LCD_LANGUAGE_4)
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#define NUM_LANGUAGES 4
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#elif defined(LCD_LANGUAGE_3)
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#define NUM_LANGUAGES 3
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#elif defined(LCD_LANGUAGE_2)
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#define NUM_LANGUAGES 2
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#else
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// Support multiple languages at run-time.
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uint8_t get_language_count();
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void set_language(uint8_t index);
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const char *get_text(String_Indices index);
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const char *get_text(uint8_t lang, String_Indices index);
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#define GET_TEXT(MSG) get_text(String_Indices::MSG)
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#define GET_TEXTF(MSG) reinterpret_cast<const __FlashStringHelper *>(get_text(String_Indices::MSG))
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#define MAKE_LANGUAGE_STRINGS() PROGMEM Language_Strings strings = { LANGUAGE_STRINGS }
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#endif
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#define NUM_LANGUAGES 1
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#endif
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// Set undefined languages equal to the last and
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// let the compiler optimize out the duplicates
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#ifndef LCD_LANGUAGE_1
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#define LCD_LANGUAGE_1 LCD_LANGUAGE
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#endif
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#ifndef LCD_LANGUAGE_2
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#define LCD_LANGUAGE_2 LCD_LANGUAGE_1
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#endif
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#ifndef LCD_LANGUAGE_3
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#define LCD_LANGUAGE_3 LCD_LANGUAGE_2
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#endif
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#ifndef LCD_LANGUAGE_4
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#define LCD_LANGUAGE_4 LCD_LANGUAGE_3
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#endif
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#ifndef LCD_LANGUAGE_5
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#define LCD_LANGUAGE_5 LCD_LANGUAGE_4
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#endif
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// Indirection required to paste together the namespace name
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#define _GET_LANG(LANG) Language_##LANG
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#define GET_LANG(LANG) _GET_LANG(LANG)
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#if NUM_LANGUAGES > 1
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extern uint8_t lang;
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// The compiler does a good job of "flattening" out this
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// if statement when there are fewer than five languages.
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#define GET_TEXT(MSG) ( \
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lang == 0 ? GET_LANG(LCD_LANGUAGE_1)::MSG : \
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lang == 1 ? GET_LANG(LCD_LANGUAGE_2)::MSG : \
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lang == 2 ? GET_LANG(LCD_LANGUAGE_3)::MSG : \
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lang == 3 ? GET_LANG(LCD_LANGUAGE_4)::MSG : \
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GET_LANG(LCD_LANGUAGE_5)::MSG \
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)
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#else
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#define GET_TEXT(MSG) GET_LANG(LCD_LANGUAGE_1)::MSG
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#endif
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#define GET_TEXTF(MSG) reinterpret_cast<const __FlashStringHelper *>(GET_TEXT(MSG))
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#define GET_LANGUAGE_NAME(N) GET_LANG(LCD_LANGUAGE_##N)::LANGUAGE
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// All the language tables go here
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#include "language_en.h"
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#include "language_de.h"
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#include "language_fr.h"
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Marcio Teixeira
5 years ago
committed by