Author: Fan RuiJie <fanruijie@uniontech.com>
Date:   Tue Aug 31 16:29:10 2021 +0800
Subject: fix text ellipsis not implemented in Tibetan
Upstream: https://codereview.qt-project.org/c/qt/qtbase/+/367457

Index: qtbase-opensource-src/src/gui/text/qtextengine.cpp
===================================================================
--- qtbase-opensource-src.orig/src/gui/text/qtextengine.cpp
+++ qtbase-opensource-src/src/gui/text/qtextengine.cpp
@@ -3219,6 +3219,11 @@ QString QTextEngine::elidedText(Qt::Text
 
                 ellipsisWidth *= 3;
                 ellipsisText = QStringLiteral("...");
+            } else {
+                engine = fnt.d->engineForScript(QChar::Script_Common);
+                glyph = engine->glyphIndex(ellipsisChar.unicode());
+                engine->recalcAdvances(&glyphs, { });
+                ellipsisText = ellipsisChar;
             }
         }
     }