1 files changed, 10 insertions, 0 deletions

diff --git a/linden/indra/llui/lllineeditor.h b/linden/indra/llui/lllineeditor.h
index 65c75ab..e715737 100644
--- a/linden/indra/llui/lllineeditor.h
+++ b/linden/indra/llui/lllineeditor.h
@@ -36,6 +36,7 @@
 //              Clipboard (cut, copy, and paste)
 //              Horizontal scrolling to allow strings longer than widget size allows 
 //              Pre-validation (limit which keys can be used)
+//              Optional line history so previous entries can be recalled by CTRL UP/DOWN
 
 
 #ifndef LL_LLLINEEDITOR_H
@@ -206,6 +207,10 @@ public:
 
         static BOOL             postvalidateFloat(const LLString &str);
 
+        // line history support:
+        void                    setEnableLineHistory( BOOL enabled ); // switches line history on or off 
+        void                    updateHistory(); // stores current line in history
+
 protected:
         void                    removeChar();
         void                    addChar(const llwchar c);
@@ -224,6 +229,11 @@ protected:
         LLString                mPrevText;                              // Saved string for 'ESC' revert
         LLUIString              mLabel;                                 // text label that is visible when no user text provided
 
+        // line history support:
+        BOOL            mHaveHistory;                           // flag for enabled line history
+        std::vector<LLString> mLineHistory;             // line history storage
+        U32                     mCurrentHistoryLine;            // currently browsed history line
+
         LLViewBorder* mBorder;
         const LLFontGL* mGLFont;
         S32                     mMaxLengthChars;                        // Max number of characters