Index: /trunk/src/VBox/Frontends/VirtualBox/src/extensions/QILabel.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/extensions/QILabel.cpp	(revision 58866)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/extensions/QILabel.cpp	(revision 58867)
@@ -24,5 +24,5 @@
 #else  /* !VBOX_WITH_PRECOMPILED_HEADERS */
 
-/* Global includes */
+/* Qt includes: */
 # include <QApplication>
 # include <QClipboard>
@@ -34,6 +34,7 @@
 # include <QPainter>
 # include <QStyleOptionFocusRect>
-
-/* Local includes */
+# include <QDrag>
+
+/* GUI includes: */
 # include "QILabel.h"
 
Index: /trunk/src/VBox/Frontends/VirtualBox/src/extensions/QIMessageBox.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/extensions/QIMessageBox.cpp	(revision 58866)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/extensions/QIMessageBox.cpp	(revision 58867)
@@ -28,4 +28,5 @@
 # include <QPushButton>
 # include <QStyle>
+# include <QMimeData>
 
 /* GUI includes: */
Index: /trunk/src/VBox/Frontends/VirtualBox/src/extradata/UIExtraDataDefs.h
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/extradata/UIExtraDataDefs.h	(revision 58866)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/extradata/UIExtraDataDefs.h	(revision 58867)
@@ -21,7 +21,9 @@
 /* Qt includes: */
 #include <QMetaType>
+#include <QObject>
 
 /* Other VBox includes: */
 #include <iprt/cdefs.h>
+
 
 /** Extra-data namespace. */
Index: /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMainEventListener.h
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMainEventListener.h	(revision 58866)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMainEventListener.h	(revision 58867)
@@ -19,4 +19,7 @@
 #define ___UIMainEventListener_h___
 
+/* Qt includes: */
+#include <QObject>
+
 /* COM includes: */
 #include "COMEnums.h"
@@ -28,4 +31,5 @@
 /* Other VBox includes: */
 #include <VBox/com/listeners.h>
+
 
 /* Note: On a first look this may seems a little bit complicated.
Index: /trunk/src/VBox/Frontends/VirtualBox/src/medium/UIMediumDefs.h
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/medium/UIMediumDefs.h	(revision 58866)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/medium/UIMediumDefs.h	(revision 58867)
@@ -19,4 +19,7 @@
 #define ___UIMediumDefs_h___
 
+/* Qt includes: */
+#include <QString>
+
 /* COM includes: */
 #include "COMEnums.h"
@@ -24,4 +27,5 @@
 /* Other VBox includes: */
 #include <VBox/com/defs.h>
+
 
 /** UIMediumDefs namespace. */
Index: /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIConsoleEventHandler.h
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIConsoleEventHandler.h	(revision 58866)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIConsoleEventHandler.h	(revision 58867)
@@ -19,4 +19,7 @@
 #define ___UIConsoleEventHandler_h___
 
+/* Qt includes: */
+#include <QObject>
+
 /* COM includes: */
 #include "COMEnums.h"
@@ -29,4 +32,5 @@
 /* Forward declarations: */
 class UISession;
+
 
 /** Active event handler singleton for the CConsole event-source. */
Index: /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIDnDHandler.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIDnDHandler.cpp	(revision 58866)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIDnDHandler.cpp	(revision 58867)
@@ -25,4 +25,5 @@
 #include <QStringList>
 #include <QTimer>
+#include <QDrag>
 #include <QUrl>
 
@@ -71,4 +72,5 @@
 # endif /* DEBUG */
 #endif
+
 
 UIDnDHandler::UIDnDHandler(UISession *pSession, QWidget *pParent)
Index: /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIStatusBarEditorWindow.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIStatusBarEditorWindow.cpp	(revision 58866)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIStatusBarEditorWindow.cpp	(revision 58867)
@@ -28,4 +28,5 @@
 # include <QStatusBar>
 # include <QCheckBox>
+# include <QMimeData>
 # include <QPainter>
 # include <QPixmap>
@@ -42,5 +43,4 @@
 
 #endif /* !VBOX_WITH_PRECOMPILED_HEADERS */
-
 
 
Index: /trunk/src/VBox/Frontends/VirtualBox/src/selector/UIVirtualBoxEventHandler.h
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/selector/UIVirtualBoxEventHandler.h	(revision 58866)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/selector/UIVirtualBoxEventHandler.h	(revision 58867)
@@ -19,7 +19,11 @@
 #define ___UIVirtualBoxEventHandler_h___
 
+/* Qt includes: */
+#include <QObject>
+
 /* COM includes: */
 #include "COMEnums.h"
 #include "CEventListener.h"
+
 
 /** Active event handler singleton for the CVirtualBoxClient and CVirtualBox event-sources. */
Index: /trunk/src/VBox/Frontends/VirtualBox/src/selector/graphics/chooser/UIGChooserItem.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/selector/graphics/chooser/UIGChooserItem.cpp	(revision 58866)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/selector/graphics/chooser/UIGChooserItem.cpp	(revision 58867)
@@ -30,4 +30,5 @@
 # include <QPropertyAnimation>
 # include <QSignalTransition>
+# include <QDrag>
 
 /* GUI includes: */
Index: /trunk/src/VBox/Frontends/VirtualBox/src/selector/graphics/chooser/UIGChooserModel.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/selector/graphics/chooser/UIGChooserModel.cpp	(revision 58866)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/selector/graphics/chooser/UIGChooserModel.cpp	(revision 58867)
@@ -29,4 +29,5 @@
 # include <QScrollBar>
 # include <QTimer>
+# include <QDrag>
 
 /* GUI includes: */
@@ -53,9 +54,10 @@
 #endif /* !VBOX_WITH_PRECOMPILED_HEADERS */
 
+/* Qt includes: */
 #include <QParallelAnimationGroup>
-
 
 /* Type defs: */
 typedef QSet<QString> UIStringSet;
+
 
 UIGChooserModel::UIGChooserModel(UIGChooser *pParent)