Allow try different language part for searching help translations.

3 files changed, 20 insertions, 10 deletions

diff --git a/src/gui/helpwindow.cpp b/src/gui/helpwindow.cpp
index e366712e7..e31782b8b 100644
--- a/src/gui/helpwindow.cpp
+++ b/src/gui/helpwindow.cpp
@@ -98,18 +98,23 @@ void HelpWindow::loadHelp(const std::string &helpFile)
 
 void HelpWindow::loadFile(const std::string &file)
 {
-    const std::string lang = getLang();
+    const std::vector<std::string> langs = getLang();
     ResourceManager *resman = ResourceManager::getInstance();
     std::string helpPath = branding.getStringValue("helpPath");
     if (helpPath.empty())
         helpPath = paths.getStringValue("help");
 
     std::vector<std::string> lines;
-    if (!lang.empty())
+    if (!langs.empty())
     {
-        const std::string name = helpPath + lang + "/" + file + ".txt";
+        std::string name = helpPath + langs[0] + "/" + file + ".txt";
         if (resman->exists(name))
             lines = resman->loadTextFile(name);
+        if (lines.empty() && langs.size() > 1)
+        {
+            name = helpPath + langs[1] + "/" + file + ".txt";
+            lines = resman->loadTextFile(name);
+        }
     }
 
     if (lines.empty())
diff --git a/src/utils/stringutils.cpp b/src/utils/stringutils.cpp
index 8ae155bf7..ea2d18276 100644
--- a/src/utils/stringutils.cpp
+++ b/src/utils/stringutils.cpp
@@ -440,16 +440,20 @@ std::string combineDye2(std::string file, std::string dye)
     }
 }
 
-std::string getLang()
+std::vector<std::string> getLang()
 {
+    std::vector<std::string> langs;
     char *lng = getenv("LANG");
     if (!lng)
-        return "";
+        return langs;
 
     std::string lang(lng);
     int dot = lang.find(".");
-    if (dot == (signed)std::string::npos)
-        return lang;
-
-    return lang.substr(0, dot);
+    if (dot != (signed)std::string::npos)
+        lang = lang.substr(0, dot);
+    langs.push_back(lang);
+    dot = lang.find("_");
+    if (dot != (signed)std::string::npos)
+        langs.push_back(lang.substr(0, dot));
+    return langs;
 }
\ No newline at end of file
diff --git a/src/utils/stringutils.h b/src/utils/stringutils.h
index 83773bd72..f0dbf0bd9 100644
--- a/src/utils/stringutils.h
+++ b/src/utils/stringutils.h
@@ -27,6 +27,7 @@
 #include <sstream>
 #include <list>
 #include <set>
+#include <vector>
 
 /**
  * Trims spaces off the end and the beginning of the given string.
@@ -177,6 +178,6 @@ std::string combineDye(std::string file, std::string dye);
 
 std::string combineDye2(std::string file, std::string dye);
 
-std::string getLang();
+std::vector<std::string> getLang();
 
 #endif // UTILS_STRINGUTILS_H