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Code Issues Releases Wiki Activity

Use Qt UI language if system was not determined.

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Also rename platform/mac/specific_mac.cpp to .mm
This commit is contained in:
John Preston
2017-05-30 12:31:32 +03:00
parent 6fb980ca79
commit f5353080e7
13 changed files with 119 additions and 49 deletions
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51
Telegram/SourceFiles/platform/win/specific_win.cpp
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@@ -376,8 +376,8 @@ QString SystemCountry() {
namespace {
QString GetLangCodeById(int lngId) {
int primary = lngId & 0xFF;
QString GetLangCodeById(unsigned lngId) {
auto primary = (lngId & 0xFFU);
switch (primary) {
case 0x36: return qsl("af");
case 0x1C: return qsl("sq");
@@ -498,37 +498,42 @@ QString GetLangCodeById(int lngId) {
} // namespace
QString SystemLanguage() {
int chCount = GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SNAME, 0, 0);
if (chCount && chCount < 128) {
WCHAR wstrLocale[128];
int len = GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SNAME, wstrLocale, chCount);
if (!len) {
constexpr auto kMaxLanguageLength = 128;
auto uiLanguageId = GetUserDefaultUILanguage();
auto uiLanguageLength = GetLocaleInfo(uiLanguageId, LOCALE_SNAME, nullptr, 0);
if (uiLanguageLength > 0 && uiLanguageLength < kMaxLanguageLength) {
WCHAR uiLanguageWideString[kMaxLanguageLength] = { 0 };
uiLanguageLength = GetLocaleInfo(uiLanguageId, LOCALE_SNAME, uiLanguageWideString, uiLanguageLength);
if (uiLanguageLength <= 0) {
return QString();
}
QString locale = QString::fromStdWString(std::wstring(wstrLocale));
QRegularExpressionMatch m = QRegularExpression("(^|[^a-z])([a-z]{2})-").match(locale);
if (m.hasMatch()) {
return m.captured(2);
}
return QString::fromWCharArray(uiLanguageWideString);
}
chCount = GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ILANGUAGE, 0, 0);
if (chCount && chCount < 128) {
WCHAR wstrLocale[128];
int len = GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ILANGUAGE, wstrLocale, chCount), lngId = 0;
if (len < 5) return QString();
auto uiLanguageCodeLength = GetLocaleInfo(uiLanguageId, LOCALE_ILANGUAGE, nullptr, 0);
if (uiLanguageCodeLength > 0 && uiLanguageCodeLength < kMaxLanguageLength) {
WCHAR uiLanguageCodeWideString[kMaxLanguageLength] = { 0 };
uiLanguageCodeLength = GetLocaleInfo(uiLanguageId, LOCALE_ILANGUAGE, uiLanguageCodeWideString, uiLanguageCodeLength);
if (uiLanguageCodeLength <= 0) {
return QString();
}
for (int i = 0; i < 4; ++i) {
WCHAR ch = wstrLocale[i];
lngId *= 16;
auto languageCode = 0U;
for (auto i = 0; i != uiLanguageCodeLength; ++i) {
auto ch = uiLanguageCodeWideString[i];
if (!ch) {
break;
}
languageCode *= 0x10U;
if (ch >= WCHAR('0') && ch <= WCHAR('9')) {
lngId += (ch - WCHAR('0'));
languageCode += static_cast<unsigned>(int(ch) - int(WCHAR('0')));
} else if (ch >= WCHAR('A') && ch <= WCHAR('F')) {
lngId += (10 + ch - WCHAR('A'));
languageCode += static_cast<unsigned>(0x0A + int(ch) - int(WCHAR('A')));
} else {
return QString();
}
}
return GetLangCodeById(lngId);
return GetLangCodeById(languageCode);
}
return QString();
}