diff --git a/CMakeLists.txt b/CMakeLists.txt
index 04e1ac6..7e861f3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -394,6 +394,7 @@ set( tqt_INCS
   qtinterface/tqxml.h
   qtinterface/private/tqucomextra_p.h
   qtinterface/private/tqlayoutengine_p.h
+  qtinterface/private/tqinternal_p.h
   qtinterface/tqlistiterator.h
 )
 
diff --git a/qtinterface/Makefile.am b/qtinterface/Makefile.am
index 174ba57..153137e 100644
--- a/qtinterface/Makefile.am
+++ b/qtinterface/Makefile.am
@@ -129,8 +129,9 @@ tqvaluelist.h tqvaluestack.h tqvaluevector.h tqvariant.h tqvfbhdr.h \
 tqwaitcondition.h tqwhatsthis.h tqwidgetfactory.h tqwidgetintdict.h tqwidgetlist.h tqwmatrix.h \
 tqxml.h \
 \
-private/tqucomextra_p.h
-private/tqlayoutengine_p.h
+private/tqucomextra_p.h \
+private/tqlayoutengine_p.h \
+private/tqinternal_p.h \
 \
 tqlistiterator.h
 noinst_HEADERS =
diff --git a/qtinterface/private/tqinternal_p.h b/qtinterface/private/tqinternal_p.h
new file mode 100644
index 0000000..83b8668
--- /dev/null
+++ b/qtinterface/private/tqinternal_p.h
@@ -0,0 +1,40 @@
+/*
+
+Copyright (C) 2010 Timothy Pearson <kb9vqf@pearsoncomputing.net>
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public License
+along with this library; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.
+
+*/
+
+#ifndef TQINTERNAL_P_H
+#define TQINTERNAL_P_H
+
+#include <tqt.h>
+
+#ifdef USE_QT3
+
+// Reimplement the QSharedDoubleBuffer class
+// For Qt3, no changes are needed
+
+#include <private/qinternal_p.h>
+
+#endif // USE_QT3
+
+#ifdef USE_QT4
+
+#endif // USE_QT4
+
+#endif /* TQINTERNAL_P_H */
diff --git a/qtinterface/tqt.h b/qtinterface/tqt.h
index ce816ed..43e3b7f 100644
--- a/qtinterface/tqt.h
+++ b/qtinterface/tqt.h
@@ -154,6 +154,7 @@ Boston, MA 02110-1301, USA.
 #define TQCanvasPixmapArray QCanvasPixmapArray
 #define TQCanvasSprite QCanvasSprite
 #define TQPolygonalProcessor QPolygonalProcessor
+#define TQPDevCmdParam QPDevCmdParam
 #define TQCanvasPolygonalItem QCanvasPolygonalItem
 #define TQCanvasRectangle QCanvasRectangle
 #define TQCanvasPolygon QCanvasPolygon
@@ -169,6 +170,7 @@ Boston, MA 02110-1301, USA.
 #define TQSessionManager QSessionManager
 #define TQSingleCleanupHandler QSingleCleanupHandler
 #define TQSharedCleanupHandler QSharedCleanupHandler
+#define TQSharedDoubleBuffer QSharedDoubleBuffer
 #define TQShared QShared
 #define TQColor QColor
 #define TQColorDialog QColorDialog
@@ -734,6 +736,14 @@ Boston, MA 02110-1301, USA.
 #define tqtext	text
 #define tqdrawPolyline	drawPolyline
 #define tqbrush	brush
+#define tqat	at
+#define tqresizeMode	resizeMode
+#define connectqStatus	connectStatus
+#define disconnectqStatus	disconnectStatus
+#define tqendsWith	endsWith
+#define tqdrawConvexPolygon	drawConvexPolygon
+#define tqallWidgets	allWidgets
+#define tqcapturedTexts	capturedTexts
 
 #define tqdrawPrimitive			drawPrimitive
 #define tqdrawControlMask		drawControlMask
@@ -746,6 +756,7 @@ Boston, MA 02110-1301, USA.
 #define TQ_PROPERTY	Q_PROPERTY
 #define TQMIN		QMIN
 #define TQMAX		QMAX
+#define TQABS		QABS
 #define tqqt_cast	qt_cast
 #define tqMakePair	qMakePair
 #define qt_tqfind_obj_child	qt_find_obj_child
@@ -786,11 +797,14 @@ Boston, MA 02110-1301, USA.
 #define TQT_TQVARIANT(x) (static_cast<TQVariant*>(static_cast<QVariant*>(x)))
 #define TQT_TQMETAOBJECT(x) (static_cast<TQMetaObject*>(static_cast<QMetaObject*>(x)))
 #define TQT_TQSTYLEOPTION(x) (static_cast<TQStyleOption*>(static_cast<TQStyleOption*>(x)))
+#define TQT_TQEVENT(x) (static_cast<TQEvent*>(static_cast<QEvent*>(x)))
 #define TQT_TQKEYEVENT(x) (static_cast<TQKeyEvent*>(static_cast<QKeyEvent*>(static_cast<QEvent*>(x))))
 #define TQT_TQSHOWEVENT(x) (static_cast<TQShowEvent*>(static_cast<QShowEvent*>(static_cast<QEvent*>(x))))
 #define TQT_TQMOUSEEVENT(x) (static_cast<TQMouseEvent*>(static_cast<QMouseEvent*>(static_cast<QEvent*>(x))))
+#define TQT_TQWHEELEVENT(x) (static_cast<TQWheelEvent*>(static_cast<QWheelEvent*>(static_cast<QEvent*>(x))))
 #define TQT_TQFOCUSEVENT(x) (static_cast<TQFocusEvent*>(static_cast<QFocusEvent*>(static_cast<QEvent*>(x))))
 #define TQT_TQPAINTEVENT(x) (static_cast<TQPaintEvent*>(static_cast<QPaintEvent*>(static_cast<QEvent*>(x))))
+#define TQT_TQCHILDEVENT(x) (static_cast<TQChildEvent*>(static_cast<QChildEvent*>(static_cast<QEvent*>(x))))
 #define TQT_TQRESIZEEVENT(x) (static_cast<TQResizeEvent*>(static_cast<QResizeEvent*>(static_cast<QEvent*>(x))))
 
 #define TQT_TQOBJECT_OBJECT(x) x