Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2: (27 commits)
  Fix the doc for QFrame::frameStyle
  Don't use texture-from-pixmap if the target isn't GL_TEXTURE_2D
  Add runtime check for GLX >= 1.3 before using glXCreatePixmap
  QDrawHelper: Reduce code duplications
  Improve matching X11 VisualIDs to EGL configs
  Remove obsolete function set_winapp_name()
  Speedup fetchTransformedBilinear in the fast_matrix case
  Allow y-interted pixmaps for brushes in GL2 paint engine
  Build fix for mingw
  Fix build with mingw (64 bit)
  Make configure.exe compatible with mingw 64
  Adjust indentation
  e-Ink support cleanup
  Tweak the display update IOCTL calls
  Support 8-Track e-Ink devices
  Get stride from LinuxFB instead of calculating it ourselves.
  Use DIR_SEPARATOR when setting up variables for RCC and UIC in features.
  Fixed bug in QPainterPath::intersected().
  Fix compile error with QT_NO_ANIMATION
  O(n^2) to O(n) optimization in QTreeWidget::selectedItems()
  ...

1 files changed, 7 insertions, 2 deletions

diff --git a/src/gui/text/qfontdatabase_x11.cpp b/src/gui/text/qfontdatabase_x11.cpp
index b1ab478..3b2e4e9 100644
--- a/src/gui/text/qfontdatabase_x11.cpp
+++ b/src/gui/text/qfontdatabase_x11.cpp
@@ -1939,8 +1939,13 @@ void QFontDatabase::load(const QFontPrivate *d, int script)
             fe = loadFc(d, script, req);
 
             if (fe != 0 && fe->fontDef.pixelSize != req.pixelSize) {
-                delete fe;
-                fe = loadXlfd(d->screen, script, req);
+                QFontEngine *xlfdFontEngine = loadXlfd(d->screen, script, req);
+                if (xlfdFontEngine->fontDef.family == fe->fontDef.family) {
+                    delete fe;
+                    fe = xlfdFontEngine;
+                } else {
+                    delete xlfdFontEngine;
+                }
             }