MAINT-3610 FIXED SL viewer partly 'eats' chat-messages

indra/llui/llchatentry.cpp

@@ -53,6 +53,7 @@ LLChatEntry::LLChatEntry(const Params& p)
 	mCurrentHistoryLine = mLineHistory.begin();
 
 	mAutoIndent = false;
+	keepSelectionOnReturn(true);
 }
 
 LLChatEntry::~LLChatEntry()
@@ -185,15 +186,6 @@ BOOL LLChatEntry::handleSpecialKey(const KEY key, const MASK mask)
 {
 	BOOL handled = FALSE;
 
-    // In the case of a chat entry, pressing RETURN when something is selected
-    // should NOT erase the selection (unlike a notecard, for example)
-    if (key == KEY_RETURN)
-    {
-        endOfDoc();
-        startSelection();
-        endSelection();
-    }
-
 	LLTextEditor::handleSpecialKey(key, mask);
 
 	switch(key)

indra/llui/lltexteditor.cpp

@@ -264,7 +264,8 @@ LLTextEditor::LLTextEditor(const LLTextEditor::Params& p) :
 	mContextMenu(NULL),
 	mShowContextMenu(p.show_context_menu),
 	mEnableTooltipPaste(p.enable_tooltip_paste),
-	mPassDelete(FALSE)
+	mPassDelete(FALSE),
+	mKeepSelectionOnReturn(false)
 {
 	mSourceID.generate();
 
@@ -1776,7 +1777,7 @@ BOOL LLTextEditor::handleSpecialKey(const KEY key, const MASK mask)
 	case KEY_RETURN:
 		if (mask == MASK_NONE)
 		{
-			if( hasSelection() )
+			if( hasSelection() && !mKeepSelectionOnReturn )
 			{
 				deleteSelection(FALSE);
 			}

indra/llui/lltexteditor.h

@@ -305,6 +305,7 @@ protected:
 
 	/*virtual*/ void	updateSegments();
 	void				updateLinkSegments();
+	void				keepSelectionOnReturn(bool keep) { mKeepSelectionOnReturn = keep; }
 
 private:
 	//
@@ -348,6 +349,7 @@ private:
 	bool			mParseOnTheFly;
 	bool			mEnableTooltipPaste;
 	bool			mPassDelete;
+	bool			mKeepSelectionOnReturn;	// disabling of removing selected text after pressing of Enter
 	
 	LLUUID			mSourceID;