merge support-featurettes-snapshot-merge-2 for QAR-754, includes:

    * featurettes-4 89061:89589 (which is all of featurettes-1, -2, and -3, and part of -4)
    * gteam-showstoppers-3 91950:91951 (which is all of gteam-showstoppers-1, -2, and -3)
    * featurettes-5 92149:92150 (patch for last line of chat text not visible in chat history, DEV-17771)
    * snapshot-3 91988:91991 (which is all of snapshot-1, -2, and -3)

Merging revisions 92190-92387 of svn+ssh://svn.lindenlab.com/svn/linden/branches/support-featurettes-snapshot-merge-2 into release, respecting ancestry

* QAR-590 Merge Lock Request for Support Sprint
* QAR-627 Merge snapshot improvements
* QAR-686 Merge Lock request for Featurettes

1 files changed, 27 insertions, 8 deletions

diff --git a/indra/llui/lltexteditor.cpp b/indra/llui/lltexteditor.cpp
index a2063358bd..b70ad4c53c 100644
--- a/indra/llui/lltexteditor.cpp
+++ b/indra/llui/lltexteditor.cpp
@@ -257,6 +257,7 @@ LLTextEditor::LLTextEditor(
 	mIsSelecting( FALSE ),
 	mSelectionStart( 0 ),
 	mSelectionEnd( 0 ),
+	mScrolledToBottom( FALSE ),
 	mOnScrollEndCallback( NULL ),
 	mOnScrollEndData( NULL ),
 	mCursorColor(		LLUI::sColorsGroup->getColor( "TextCursorColor" ) ),
@@ -3361,20 +3362,26 @@ void LLTextEditor::reshape(S32 width, S32 height, BOOL called_from_parent)
 {
 	LLView::reshape( width, height, called_from_parent );
 
-	// if scrolled to bottom, stay at bottom
-	// unless user is editing text
-	if (mScrolledToBottom && mTrackBottom && !hasFocus())
-	{
-		endOfDoc();
-	}
-
+	// do this first after reshape, because other things depend on
+	// up-to-date mTextRect
 	updateTextRect();
+	
+	updateLineStartList();
+
+	// propagate shape information to scrollbar
+	mScrollbar->setDocSize( getLineCount() );
 
 	S32 line_height = llround( mGLFont->getLineHeight() );
 	S32 page_lines = mTextRect.getHeight() / line_height;
 	mScrollbar->setPageSize( page_lines );
 
-	updateLineStartList();
+	// if scrolled to bottom, stay at bottom
+	// unless user is editing text
+	// do this after updating page size
+	if (mScrolledToBottom && mTrackBottom && !hasFocus())
+	{
+		endOfDoc();
+	}
 }
 
 void LLTextEditor::autoIndent()
@@ -3540,6 +3547,10 @@ void LLTextEditor::appendText(const std::string &new_text, bool allow_undo, bool
 	{
 		mSelectionStart = selection_start;
 		mSelectionEnd = selection_end;
+
+
+
+
 		mIsSelecting = was_selecting;
 		setCursorPos(cursor_pos);
 	}
@@ -3556,6 +3567,14 @@ void LLTextEditor::appendText(const std::string &new_text, bool allow_undo, bool
 	{
 		blockUndo();
 	}
+
+	// if scrolled to bottom, stay at bottom
+	// unless user is editing text
+	// do this after updating page size
+	if (mScrolledToBottom && mTrackBottom && !hasFocus())
+	{
+		endOfDoc();
+	}
 }
 
 void LLTextEditor::removeTextFromEnd(S32 num_chars)