From b74dcb3b4aa29958d22135f2d6c015578069e83c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jorge=20Tim=C3=B3n?= <jtimon@jtimon.cc>
Date: Thu, 16 Apr 2015 16:20:01 +0200
Subject: Separate CTranslationInterface from CClientUIInterface

---
 src/util.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'src/util.h')

diff --git a/src/util.h b/src/util.h
index 9b5a4153dd..483d9d7858 100644
--- a/src/util.h
+++ b/src/util.h
@@ -25,8 +25,17 @@
 #include <vector>
 
 #include <boost/filesystem/path.hpp>
+#include <boost/signals2/signal.hpp>
 #include <boost/thread/exceptions.hpp>
 
+/** Signals for translation. */
+class CTranslationInterface
+{
+public:
+    /** Translate a message to the native language of the user. */
+    boost::signals2::signal<std::string (const char* psz)> Translate;
+};
+
 extern std::map<std::string, std::string> mapArgs;
 extern std::map<std::string, std::vector<std::string> > mapMultiArgs;
 extern bool fDebug;
@@ -37,6 +46,17 @@ extern std::string strMiscWarning;
 extern bool fLogTimestamps;
 extern bool fLogIPs;
 extern volatile bool fReopenDebugLog;
+extern CTranslationInterface translationInterface;
+
+/**
+ * Translation function: Call Translate signal on UI interface, which returns a boost::optional result.
+ * If no translation slot is registered, nothing is returned, and simply return the input.
+ */
+inline std::string _(const char* psz)
+{
+    boost::optional<std::string> rv = translationInterface.Translate(psz);
+    return rv ? (*rv) : psz;
+}
 
 void SetupEnvironment();
 
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