1 files changed, 185 insertions, 0 deletions
diff --git a/CPP/7zip/FileManager/LangUtils.cpp b/CPP/7zip/FileManager/LangUtils.cpp
new file mode 100755
index 00000000..decff306
--- /dev/null
+++ b/CPP/7zip/FileManager/LangUtils.cpp
@@ -0,0 +1,185 @@
+// LangUtils.cpp
+
+#include "StdAfx.h"
+
+#include "LangUtils.h"
+#include "Common/StringConvert.h"
+#include "Common/StringToInt.h"
+#include "Windows/Synchronization.h"
+#include "Windows/Window.h"
+#include "Windows/FileFind.h"
+#include "RegistryUtils.h"
+#include "ProgramLocation.h"
+
+using namespace NWindows;
+
+static CLang g_Lang;
+UString g_LangID;
+
+#ifndef _UNICODE
+extern bool g_IsNT;
+#endif
+
+void ReloadLang()
+{
+  ReadRegLang(g_LangID);
+  g_Lang.Clear();
+  if (!g_LangID.IsEmpty() && g_LangID != L"-")
+  {
+    UString langPath = g_LangID;
+    if (langPath.Find('\\') < 0)
+    {
+      if (langPath.Find('.') < 0)
+        langPath += L".txt";
+      UString folderPath;
+      if (GetProgramFolderPath(folderPath))
+        langPath = folderPath + UString(L"Lang\\") + langPath;
+    }
+    g_Lang.Open(GetSystemString(langPath));
+  }
+}
+
+static bool g_Loaded = false;
+static NSynchronization::CCriticalSection g_CriticalSection;
+
+void LoadLangOneTime()
+{
+  NSynchronization::CCriticalSectionLock lock(g_CriticalSection);
+  if (g_Loaded)
+    return;
+  g_Loaded = true;
+  ReloadLang();
+}
+
+void LangSetDlgItemsText(HWND dialogWindow, CIDLangPair *idLangPairs, int numItems)
+{
+  for (int i = 0; i < numItems; i++)
+  {
+    const CIDLangPair &idLangPair = idLangPairs[i];
+    UString message;
+    if (g_Lang.GetMessage(idLangPair.LangID, message))
+    {
+      NWindows::CWindow window(GetDlgItem(dialogWindow, idLangPair.ControlID));
+      window.SetText(message);
+    }
+  }
+}
+
+void LangSetWindowText(HWND window, UInt32 langID)
+{
+  UString message;
+  if (g_Lang.GetMessage(langID, message))
+    MySetWindowText(window, message);
+}
+
+UString LangString(UInt32 langID)
+{
+  UString message;
+  if (g_Lang.GetMessage(langID, message))
+    return message;
+  return UString();
+}
+
+UString LangString(UINT resourceID, UInt32 langID)
+{
+  UString message;
+  if (g_Lang.GetMessage(langID, message))
+    return message;
+  return NWindows::MyLoadStringW(resourceID);
+}
+
+void LoadLangs(CObjectVector<CLangEx> &langs)
+{
+  langs.Clear();
+  UString folderPath;
+  if (!::GetProgramFolderPath(folderPath))
+    return;
+  folderPath += L"Lang\\";
+  NWindows::NFile::NFind::CEnumeratorW enumerator(folderPath + L"*.txt");
+  NWindows::NFile::NFind::CFileInfoW fileInfo;
+  while (enumerator.Next(fileInfo))
+  {
+    if (fileInfo.IsDirectory())
+      continue;
+    CLangEx lang;
+    UString filePath = folderPath + fileInfo.Name;
+    const int kExtSize = 4;
+    if (fileInfo.Name.Right(kExtSize) != L".txt")
+      continue;
+    lang.ShortName = fileInfo.Name.Left(fileInfo.Name.Length() - kExtSize);
+    if (lang.Lang.Open(GetSystemString(filePath)))
+      langs.Add(lang);
+  }
+}
+
+bool SplidID(const UString &id, WORD &primID, WORD &subID)
+{
+  primID = 0;
+  subID = 0;
+  const wchar_t *start = id;
+  const wchar_t *end;
+  UInt64 value = ConvertStringToUInt64(start, &end);
+  if (start == end)
+    return false;
+  primID = (WORD)value;
+  if (*end == 0)
+    return true;
+  if (*end != L'-')
+    return false;
+  start = end + 1;
+  value = ConvertStringToUInt64(start, &end);
+  if (start == end)
+    return false;
+  subID = (WORD)value;
+  return (*end == 0);
+}
+
+void FindMatchLang(UString &shortName)
+{
+  shortName.Empty();
+  LANGID langID = GetUserDefaultLangID();
+  WORD primLang = (WORD)(PRIMARYLANGID(langID));
+  WORD subLang = (WORD)(SUBLANGID(langID));
+  CObjectVector<CLangEx> langs;
+  LoadLangs(langs);
+  for (int i = 0; i < langs.Size(); i++)
+  {
+    const CLangEx &lang = langs[i];
+    UString id;
+    if (lang.Lang.GetMessage(0x00000002, id))
+    {
+      WORD primID;
+      WORD subID;
+      if (SplidID(id, primID, subID))
+        if (primID == primLang)
+        {
+          if (subID == 0)
+            shortName = lang.ShortName;
+          if (subLang == subID)
+          {
+            shortName = lang.ShortName;
+            return;
+          }
+        }
+    }
+  }
+}
+
+void ReloadLangSmart()
+{
+  #ifndef _UNICODE
+  if (g_IsNT)
+  #endif
+  {
+    ReadRegLang(g_LangID);
+    if (g_LangID.IsEmpty())
+    {
+      UString shortName;
+      FindMatchLang(shortName);
+      if (shortName.IsEmpty())
+        shortName = L"-";
+      SaveRegLang(shortName);
+    }
+  }
+  ReloadLang();
+}