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diff --git a/qtinterface/interface_tqt3/tqvariant.cpp b/qtinterface/interface_tqt3/tqvariant.cpp
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+/*
+
+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.
+
+*/
+
+#include <tqt.h>
+#include <tntqvariant.h>
+
+#ifdef USE_QT4
+
+#include <Qt/ntqbitmap.h>
+
+// This is taken straight from <private/qvariant_p.h>
+#ifdef Q_CC_SUN // Sun CC picks the wrong overload, so introduce awful hack
+
+template <typename T>
+inline T *v_cast(const QVariant::Private *nd, T * = 0)
+{
+ QVariant::Private *d = const_cast<QVariant::Private *>(nd);
+ return ((sizeof(T) > sizeof(QVariant::Private::Data))
+ ? static_cast<T *>(d->data.shared->ptr)
+ : static_cast<T *>(static_cast<void *>(&d->data.c)));
+}
+
+#else // every other compiler in this world
+
+template <typename T>
+inline const T *v_cast(const QVariant::Private *d, T * = 0)
+{
+ return ((sizeof(T) > sizeof(QVariant::Private::Data))
+ ? static_cast<const T *>(d->data.shared->ptr)
+ : static_cast<const T *>(static_cast<const void *>(&d->data.c)));
+}
+
+template <typename T>
+inline T *v_cast(QVariant::Private *d, T * = 0)
+{
+ return ((sizeof(T) > sizeof(QVariant::Private::Data))
+ ? static_cast<T *>(d->data.shared->ptr)
+ : static_cast<T *>(static_cast<void *>(&d->data.c)));
+}
+
+#endif
+
+template <typename T>
+inline T qVariantToHelper(const QVariant::Private &d, QVariant::Type t,
+ const QVariant::Handler *handler, T * = 0)
+{
+ if (d.type == t)
+ return *v_cast<T>(&d);
+
+ T ret;
+ handler->convert(&d, t, &ret, 0);
+ return ret;
+}
+
+QFont QVariant::toFont() const {
+ return qVariantToHelper<QFont>(d, Font, handler);
+}
+
+QColor QVariant::toColor() const {
+ return qVariantToHelper<QColor>(d, Color, handler);
+}
+
+QCursor QVariant::toCursor() const {
+ return qVariantToHelper<QCursor>(d, Cursor, handler);
+}
+
+QBitmap QVariant::toBitmap() const {
+ return qVariantToHelper<QBitmap>(d, Bitmap, handler);
+}
+
+Q3PointArray QVariant::toPointArray() const {
+ return qVariantToHelper<Q3PointArray>(d, PointArray, handler);
+}
+
+QRegion QVariant::toRegion() const {
+ return qVariantToHelper<QRegion>(d, Region, handler);
+}
+
+QPixmap QVariant::toPixmap() const {
+ return qVariantToHelper<QPixmap>(d, Pixmap, handler);
+}
+
+QImage QVariant::toImage() const {
+ return qVariantToHelper<QImage>(d, Image, handler);
+}
+
+QBrush QVariant::toBrush() const {
+ return qVariantToHelper<QBrush>(d, Brush, handler);
+}
+
+QPalette QVariant::toPalette() const {
+ return qVariantToHelper<QPalette>(d, Palette, handler);
+}
+
+QColorGroup QVariant::toColorGroup() const {
+ return qVariantToHelper<QColorGroup>(d, ColorGroup, handler);
+}
+
+QIconSet QVariant::toIconSet() const {
+ return qVariantToHelper<QIconSet>(d, IconSet, handler);
+}
+
+QFont QVariant::asFont() {
+ return toFont();
+}
+
+QColor QVariant::asColor() {
+ return toColor();
+}
+
+#endif // USE_QT4