Automatic language detection (Win Vista/7)

see issue 847
This commit is contained in:
Oliver Duis
2011-07-16 13:39:28 +02:00
parent cee8bd83e1
commit c4e54b004b
8 changed files with 111 additions and 2 deletions

View File

@@ -20,11 +20,19 @@
#include <multilangmgr.h>
#include <string.h>
#include <safegtk.h>
#ifdef WIN32
// Desired auto detect function is Vista+
#define _WIN32_WINNT 0x0600
#include <windows.h>
#include <winnls.h>
#undef _WIN32_WINNT
#endif
MultiLangMgr langMgr;
Glib::ustring M (std::string key) { return langMgr.getStr (key); }
// fb is fallback manager if the first could not be loaded
bool MultiLangMgr::load (Glib::ustring fname, MultiLangMgr* fb) {
FILE *f = safe_g_fopen (fname, "rt");
@@ -85,6 +93,79 @@ bool MultiLangMgr::save (Glib::ustring fname) {
return true;
}
bool MultiLangMgr::isOSLanguageDetectSupported() {
#ifdef WIN32
// Only on Vista or above
return LOBYTE(LOWORD(GetVersion()))>=6;
#else
return false;
#endif
}
// returns Language name mapped from the currently selected OS language
Glib::ustring MultiLangMgr::getOSUserLanguage() {
Glib::ustring langName = Glib::ustring("default");
if (isOSLanguageDetectSupported()) {
// TODO: Add support for other OS here
#ifdef WIN32
WCHAR langRFCU[64] = {0};
if (GetUserDefaultLocaleName(langRFCU,64)!=0 && lstrlenW(langRFCU)>=2) {
// convert UNICODE16 to GTK
char langRFC[64];
WideCharToMultiByte(CP_UTF8,0,langRFCU,-1,langRFC,64,0,0);
Glib::ustring localRFC=Glib::ustring(langRFC);
langName=TranslateRFC2Language(localRFC);
}
#endif
} else printf("Automatic language detection not supported on your OS\n");
return langName;
}
// Translates RFC standard language code to file name, e.g. "de-DE" to "Deutsch"
Glib::ustring MultiLangMgr::TranslateRFC2Language(Glib::ustring rfcName) {
if (rfcName.length()<2) return Glib::ustring("default");
Glib::ustring major=rfcName.substr(0,2).lowercase();
Glib::ustring minor;
if (rfcName.length()>=5) {
minor=rfcName.substr(3,2).uppercase();
}
//printf("Lang: %s - %s\n",major.c_str(),minor.c_str());
if (major=="cs") return "Czech";
if (major=="ca") return "Catala";
if (major=="fr") return "Francais";
if (major=="de") return "Deutsch";
if (major=="sr") return "Serbian (Cyrilic Characters)";
if (major=="zh")
return (minor=="CN" || minor=="SG") ? "Chinese (Simplified)" : "Chinese (Traditional)";
if (major=="da") return "Dansk";
if (major=="es") return "Espanol";
if (major=="el") return "Greek";
if (major=="he") return "Hebrew";
if (major=="it") return "Italian";
if (major=="ja") return "Japanese";
if (major=="nl") return "Nederlands";
if (major=="nn" || major=="nb") return "Norsk BM";
if (major=="pl") return "Polish";
if (major=="pt") return "Portugues (Brasil)";
if (major=="ru") return "Russian";
if (major=="sk") return "Slovak";
if (major=="fi") return "Suomi";
if (major=="se") return "Swedish";
if (major=="tr") return "Turkish";
// Don't split en-US, en-GB, etc. since only default english is constantly updated
return "default";
}
Glib::ustring MultiLangMgr::getStr (std::string key) {
std::map<std::string, Glib::ustring>::iterator r = transTable.find (key);