add upstream 13.513.5

1 files changed, 11 insertions, 2 deletions

diff --git a/zen/i18n.h b/zen/i18n.h
index e858913a..28b8c087 100644
--- a/zen/i18n.h
+++ b/zen/i18n.h
@@ -35,6 +35,8 @@ struct TranslationHandler
     virtual std::wstring translate(const std::wstring& text) const = 0; //simple translation
     virtual std::wstring translate(const std::wstring& singular, const std::wstring& plural, int64_t n) const = 0;
 
+    virtual bool layoutIsRtl() const = 0; //right-to-left? e.g. Hebrew, Arabic
+
 private:
     TranslationHandler           (const TranslationHandler&) = delete;
     TranslationHandler& operator=(const TranslationHandler&) = delete;
@@ -50,8 +52,6 @@ std::shared_ptr<const TranslationHandler> getTranslator();
 
 
 
-
-
 //######################## implementation ##############################
 namespace impl
 {
@@ -101,6 +101,15 @@ std::wstring translate(const std::wstring& singular, const std::wstring& plural,
     //fallback:
     return replaceCpy(std::abs(n64) == 1 ? singular : plural, L"%x", formatNumber(n));
 }
+
+
+inline
+bool languageLayoutIsRtl()
+{
+    if (std::shared_ptr<const TranslationHandler> t = getTranslator())
+        return t->layoutIsRtl();
+    return false;
+}
 }
 
 #endif //I18_N_H_3843489325044253425456