Merge branch 'master' into DRTVWR-516-maint

# Conflicts:
#	indra/newview/llvocache.cpp

1 files changed, 48 insertions, 13 deletions

diff --git a/indra/newview/llhudnametag.cpp b/indra/newview/llhudnametag.cpp
index fa89d3986d..9d49c30a49 100644
--- a/indra/newview/llhudnametag.cpp
+++ b/indra/newview/llhudnametag.cpp
@@ -414,7 +414,8 @@ void LLHUDNameTag::clearString()
 void LLHUDNameTag::addLine(const std::string &text_utf8,
 						const LLColor4& color,
 						const LLFontGL::StyleFlags style,
-						const LLFontGL* font)
+						const LLFontGL* font,
+						const bool use_ellipses)
 {
 	LLWString wline = utf8str_to_wstring(text_utf8);
 	if (!wline.empty())
@@ -431,18 +432,52 @@ void LLHUDNameTag::addLine(const std::string &text_utf8,
 		tokenizer tokens(wline, sep);
 		tokenizer::iterator iter = tokens.begin();
 
-		while (iter != tokens.end())
-		{
-			U32 line_length = 0;
-			do	
-			{
-				F32 max_pixels = HUD_TEXT_MAX_WIDTH;
-				S32 segment_length = font->maxDrawableChars(iter->substr(line_length).c_str(), max_pixels, wline.length(), LLFontGL::WORD_BOUNDARY_IF_POSSIBLE);
-				LLHUDTextSegment segment(iter->substr(line_length, segment_length), style, color, font);
-				mTextSegments.push_back(segment);
-				line_length += segment_length;
-			}
-			while (line_length != iter->size());
+        const F32 max_pixels = HUD_TEXT_MAX_WIDTH;
+        while (iter != tokens.end())
+        {
+            U32 line_length = 0;
+            if (use_ellipses)
+            {
+                // "QualityAssuranceAssuresQuality1" will end up like "QualityAssuranceAssuresQual..."
+                // "QualityAssuranceAssuresQuality QualityAssuranceAssuresQuality" will end up like "QualityAssuranceAssuresQual..."
+                // "QualityAssurance AssuresQuality1" will end up as "QualityAssurance AssuresQua..." because we are enforcing single line
+                do
+                {
+                    S32 segment_length = font->maxDrawableChars(iter->substr(line_length).c_str(), max_pixels, wline.length(), LLFontGL::ANYWHERE);
+                    if (segment_length + line_length < wline.length()) // since we only draw one string, line_length should be 0
+                    {
+                        // token does does not fit into signle line, need to draw "...".
+                        // Use four dots for ellipsis width to generate padding
+                        const LLWString dots_pad(utf8str_to_wstring(std::string("....")));
+                        S32 elipses_width = font->getWidthF32(dots_pad.c_str());
+                        // truncated string length
+                        segment_length = font->maxDrawableChars(iter->substr(line_length).c_str(), max_pixels - elipses_width, wline.length(), LLFontGL::ANYWHERE);
+                        const LLWString dots(utf8str_to_wstring(std::string("...")));
+                        LLHUDTextSegment segment(iter->substr(line_length, segment_length) + dots, style, color, font);
+                        mTextSegments.push_back(segment);
+                        break; // consider it to be complete
+                    }
+                    else
+                    {
+                        // token fits fully into string
+                        LLHUDTextSegment segment(iter->substr(line_length, segment_length), style, color, font);
+                        mTextSegments.push_back(segment);
+                        line_length += segment_length;
+                    }
+                } while (line_length != iter->size());
+            }
+            else
+            {
+                // "QualityAssuranceAssuresQuality 1" will be split into two lines "QualityAssuranceAssuresQualit" and "y 1"
+                // "QualityAssurance AssuresQuality 1" will be split into two lines "QualityAssurance" and "AssuresQuality"
+                do
+                {
+                    S32 segment_length = font->maxDrawableChars(iter->substr(line_length).c_str(), max_pixels, wline.length(), LLFontGL::WORD_BOUNDARY_IF_POSSIBLE);
+                    LLHUDTextSegment segment(iter->substr(line_length, segment_length), style, color, font);
+                    mTextSegments.push_back(segment);
+                    line_length += segment_length;
+                } while (line_length != iter->size());
+            }
 			++iter;
 		}
 	}