Merge branch '4.5' into 4.6

Conflicts:
	src/gui/itemviews/qheaderview.cpp

3 files changed, 6 insertions, 4 deletions

diff --git a/src/gui/itemviews/qheaderview.cpp b/src/gui/itemviews/qheaderview.cpp
index fc9820f..a754579 100644
--- a/src/gui/itemviews/qheaderview.cpp
+++ b/src/gui/itemviews/qheaderview.cpp
@@ -524,8 +524,10 @@ QSize QHeaderView::sizeHint() const
     Q_D(const QHeaderView);
     if (d->cachedSizeHint.isValid())
         return d->cachedSizeHint;
-    d->cachedSizeHint = QSize(0, 0); //reinitialize the cached size hint
+    int width = 0;
+    int height = 0;
     const int sectionCount = count();
+    d->executePostedLayout();
 
     // get size hint for the first n sections
     int i = 0;
diff --git a/src/gui/kernel/qkeymapper_win.cpp b/src/gui/kernel/qkeymapper_win.cpp
index 10958f3..be207df 100644
--- a/src/gui/kernel/qkeymapper_win.cpp
+++ b/src/gui/kernel/qkeymapper_win.cpp
@@ -905,8 +905,8 @@ bool QKeyMapperPrivate::translateKeyEvent(QWidget *widget, const MSG &msg, bool
         if(msg.wParam == VK_PROCESSKEY)
             return true;
 
-        // Ignore invalid virtual keycode (see bug 127424)
-        if (msg.wParam == 0xFF)
+        // Ignore invalid virtual keycodes (see bugs 127424, QTBUG-3630)
+        if (msg.wParam == 0 || msg.wParam == 0xFF)
             return true;
 
         // Translate VK_* (native) -> Key_* (Qt) keys
diff --git a/src/gui/styles/qplastiquestyle.cpp b/src/gui/styles/qplastiquestyle.cpp
index 5052755..ce2109a 100644
--- a/src/gui/styles/qplastiquestyle.cpp
+++ b/src/gui/styles/qplastiquestyle.cpp
@@ -3309,7 +3309,7 @@ void QPlastiqueStyle::drawControl(ControlElement element, const QStyleOption *op
 
             // Draw the text centered
             QFont font = painter->font();
-            font.setPointSize(font.pointSize() - 1);
+            font.setPointSize(QFontInfo(font).pointSize() - 1);
             painter->setFont(font);
             painter->setPen(dockWidget->palette.windowText().color());
             painter->drawText(titleRect,