[LyX/master] Rewrite RowPainter::paintOnlyInsets to use row elements

[Jean-Marc Lasgouttes]

commit 038f003be671995e7c60b2be884c7799303ca840
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Sat Jul 18 20:37:53 2015 +0200

    Rewrite RowPainter::paintOnlyInsets to use row elements

diff --git a/src/RowPainter.cpp b/src/RowPainter.cpp
index 9469012..1c74107 100644
--- a/src/RowPainter.cpp
+++ b/src/RowPainter.cpp
@@ -606,27 +606,27 @@ void RowPainter::paintLast()
 
 void RowPainter::paintOnlyInsets()
 {
-       CoordCache const & cache = pi_.base.bv->coordCache();
-       pos_type const end = row_.endpos();
-       for (pos_type pos = row_.pos(); pos != end; ++pos) {
-               // If outer row has changed, nested insets are repaint 
completely.
-               Inset const * inset = par_.getInset(pos);
-               bool const nested_inset = inset &&
-                               ((inset->asInsetMath() &&
-                                 !inset->asInsetMath()->asMacroTemplate())
-                                || inset->asInsetText()
-                                || inset->asInsetTabular());
-               if (!nested_inset)
-                       continue;
-               if (x_ > pi_.base.bv->workWidth()
-                   || !cache.getInsets().has(inset))
-                       continue;
-               x_ = cache.getInsets().x(inset);
-               Font const font = text_metrics_.displayFont(pit_, pos);
-               paintInset(inset, font, par_.lookupChange(pos), pos);
+       Row::const_iterator cit = row_.begin();
+       Row::const_iterator const & end = row_.end();
+       for ( ; cit != end ; ++cit) {
+               Row::Element const & e = *cit;
+               if (e.type == Row::INSET) {
+                       // If outer row has changed, nested insets are 
repainted completely.
+                       pi_.base.bv->coordCache().insets().add(e.inset, 
int(x_), yo_);
+                       bool const nested_inset =
+                               (e.inset->asInsetMath() && 
!e.inset->asInsetMath()->asMacroTemplate())
+                               || e.inset->asInsetText() || 
e.inset->asInsetTabular();
+                       if (!nested_inset) {
+                               x_ += e.full_width();
+                               continue;
+                       }
+                       paintInset(e.inset, e.font, e.change, e.pos);
+               } else
+                       x_ += e.full_width();
        }
 }
 
+
 void RowPainter::paintText()
 {
        Row::const_iterator cit = row_.begin();