Merge branch '4.6' of scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.6-integration

* '4.6' of scm.dev.nokia.troll.no:qt/oslo-staging-2:
  Fix regression with Qt::AlignRight on monospaced text in QTextLayout
  Back port change d85b149a5c7f3532f8e1a593a79298c9ae38a95f

3 files changed, 7 insertions, 4 deletions

diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp
index 96981af..6055a04 100644
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@@ -7806,10 +7806,11 @@ start_lengthVariant:
         for (int i = 0; i < textLayout.lineCount(); i++) {
             QTextLine line = textLayout.lineAt(i);
 
+            qreal advance = textLayout.engine()->lines[i].textAdvance.toReal();
             if (tf & Qt::AlignRight)
-                xoff = r.width() - line.naturalTextWidth();
+                xoff = r.width() - advance;
             else if (tf & Qt::AlignHCenter)
-                xoff = (r.width() - line.naturalTextWidth())/2;
+                xoff = (r.width() - advance)/2;
 
             line.draw(painter, QPointF(r.x() + xoff + line.x(), r.y() + yoff));
         }
diff --git a/src/gui/text/qtextengine_p.h b/src/gui/text/qtextengine_p.h
index f36cbd2..5054b66 100644
--- a/src/gui/text/qtextengine_p.h
+++ b/src/gui/text/qtextengine_p.h
@@ -382,6 +382,7 @@ struct Q_AUTOTEST_EXPORT QScriptLine
     QFixed y;
     QFixed width;
     QFixed textWidth;
+    QFixed textAdvance;
     int from;
     signed int length : 29;
     mutable uint justified : 1;
diff --git a/src/gui/text/qtextlayout.cpp b/src/gui/text/qtextlayout.cpp
index 3c0e85e..c5dd854 100644
--- a/src/gui/text/qtextlayout.cpp
+++ b/src/gui/text/qtextlayout.cpp
@@ -89,9 +89,9 @@ static QFixed alignLine(QTextEngine *eng, const QScriptLine &line)
         if (align & Qt::AlignJustify && eng->option.textDirection() == Qt::RightToLeft)
             align = Qt::AlignRight;
         if (align & Qt::AlignRight)
-            x = line.width - (line.textWidth + leadingSpaceWidth(eng, line));
+            x = line.width - (line.textAdvance + leadingSpaceWidth(eng, line));
         else if (align & Qt::AlignHCenter)
-            x = (line.width - line.textWidth)/2;
+            x = (line.width - line.textAdvance)/2;
     }
     return x;
 }
@@ -1928,6 +1928,7 @@ void QTextLine::layout_helper(int maxGlyphs)
 found:       
     if (lbh.rightBearing > 0) // If right bearing has not yet been adjusted
         lbh.adjustRightBearing();
+    line.textAdvance = line.textWidth;
     line.textWidth -= qMin(QFixed(), lbh.rightBearing);
 
     if (line.length == 0) {