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locale: Implemented SDL_GetPreferredLocales().

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This was something I proposed a long time ago, Sylvain Becker did
additional work on it, then back to me.

Fixes Bugzilla #2131.
This commit is contained in:
Ryan C. Gordon 2020-05-04 02:27:29 -04:00
parent 1e5dd06f83
commit fa23e3d00b
42 changed files with 1318 additions and 4 deletions
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78
src/core/android/SDL_android.c
View file

@ -44,6 +44,8 @@
#include "../../haptic/android/SDL_syshaptic_c.h"
#include <android/log.h>
#include <android/configuration.h>
#include <android/asset_manager_jni.h>
#include <sys/system_properties.h>
#include <pthread.h>
#include <sys/types.h>
@ -2796,6 +2798,82 @@ SDL_bool Android_JNI_RequestPermission(const char *permission)
return bPermissionRequestResult;
}
int Android_JNI_GetLocale(char *buf, size_t buflen)
{
struct LocalReferenceHolder refs = LocalReferenceHolder_Setup(__FUNCTION__);
JNIEnv* env = Android_JNI_GetEnv();
int retval = -1;
JNIEnv *mEnv = Android_JNI_GetEnv();
if (!LocalReferenceHolder_Init(&refs, env)) {
LocalReferenceHolder_Cleanup(&refs);
return -1;
}
SDL_assert(buflen > 6);
jmethodID mid;
jobject context;
jobject assetManager;
/* context = SDLActivity.getContext(); */
mid = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"getContext","()Landroid/content/Context;");
context = (*mEnv)->CallStaticObjectMethod(mEnv, mActivityClass, mid);
/* assetManager = context.getAssets(); */
mid = (*mEnv)->GetMethodID(mEnv, (*mEnv)->GetObjectClass(mEnv, context),
"getAssets", "()Landroid/content/res/AssetManager;");
assetManager = (*mEnv)->CallObjectMethod(mEnv, context, mid);
/* API from NDK: android/configuration.h */
/* API from NDK: android/asset_manager_jni.h */
AAssetManager* asset_mgr = AAssetManager_fromJava(env, assetManager);
AConfiguration *cfg = AConfiguration_new();
if (asset_mgr && cfg)
{
char language[2] = {};
char country[2] = {};
size_t id = 0;
AConfiguration_fromAssetManager(cfg, asset_mgr);
AConfiguration_getLanguage(cfg, language);
AConfiguration_getCountry(cfg, country);
retval = 0;
/* copy language (not null terminated) */
if (language[0]) {
buf[id++] = language[0];
if (language[1]) {
buf[id++] = language[1];
}
}
buf[id++] = '_';
/* copy country (not null terminated) */
if (country[0]) {
buf[id++] = country[0];
if (country[1]) {
buf[id++] = country[1];
}
}
buf[id++] = '\0';
SDL_assert(id <= buflen);
}
if (cfg) {
AConfiguration_delete(cfg);
}
LocalReferenceHolder_Cleanup(&refs);
return retval;
}
#endif /* __ANDROID__ */
/* vi: set ts=4 sw=4 expandtab: */