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i18n: minor API updates

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This commit is contained in:
Gabor Kiss-Vamosi 2019-02-24 22:22:37 +01:00
parent b9ed89a976
commit 408ba8d574
2 changed files with 20 additions and 10 deletions
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22
lv_core/lv_i18n.c
View File

@ -28,7 +28,7 @@ static const void * lv_i18n_get_text_core(lv_i18n_trans_t * trans, const char *
/**********************
* STATIC VARIABLES
**********************/
static const lv_i18n_lang_t ** languages;
static const lv_i18n_lang_pack_t * languages;
static const lv_i18n_lang_t * local_lang;
/**********************
@ -42,32 +42,36 @@ static const lv_i18n_lang_t * local_lang;
/**
* Set the languages for internationalization
* @param langs pointer to the array of languages. (Last element has to be `NULL`)
* @return 0: no error; < 0: error
*/
void lv_i18n_init(const lv_i18n_lang_t ** langs)
int lv_i18n_init(const lv_i18n_lang_pack_t * langs)
{
if(langs == NULL) {
LV_LOG_WARN("lv_i18n_init: `langs` can't be NULL");
return;
return -1;
}
if(langs[0] == NULL) {
LV_LOG_WARN("lv_i18n_init: `langs` need to contain at lest one translation");
return;
LV_LOG_WARN("lv_i18n_init: `langs` need to contain at least one translation");
return -1;
}
languages = langs;
local_lang = langs[0]; /*Automatically select the first language*/
return 0;
}
/**
* Change the localization (language)
* @param lang_code name of the translation to use. E.g. "en_GB"
* @return 0: no error; < 0: error
*/
void lv_i18n_set_local(const char * lang_code)
int lv_i18n_set_local(const char * lang_code)
{
if(languages == NULL) {
LV_LOG_WARN("lv_i18n_set_local: The languages are not set with lv_i18n_init() yet");
return;
return -1;
}
uint16_t i;
@ -78,12 +82,14 @@ void lv_i18n_set_local(const char * lang_code)
/*The language wasn't found*/
if(languages[i] == NULL) {
LV_LOG_WARN("lv_i18n_set_local: The selected language doesn't found");
return;
return -1;
}
local_lang = languages[i];
LV_LOG_INFO("lv_i18n_set_local: new local selected")
return 0;
}
/**

8
lv_core/lv_i18n.h
View File

@ -54,6 +54,8 @@ typedef struct {
uint8_t (*plural_rule)(int32_t num); /*Function pointer to get the correct plural form for a number*/
}lv_i18n_lang_t;
typedef lv_i18n_lang_t * lv_i18n_lang_pack_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
@ -61,14 +63,16 @@ typedef struct {
/**
* Set the languages for internationalization
* @param langs pointer to the array of languages. (Last element has to be `NULL`)
* @return 0: no error; < 0: error
*/
void lv_i18n_init(const lv_i18n_lang_t ** langs);
int lv_i18n_init(const lv_i18n_lang_pack_t * langs);
/**
* Change the localization (language)
* @param lang_code name of the translation to use. E.g. "en_GB"
* @return 0: no error; < 0: error
*/
void lv_i18n_set_local(const char * lang_code);
int lv_i18n_set_local(const char * lang_code);
/**
* Get the translation from a message ID