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@ -21,3 +21,109 @@ Boston, MA 02110-1301, USA.
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#include <tqt.h>
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#include <tqvariant.h>
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#include <Qt/qbitmap.h>
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#ifdef USE_QT4
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// This is taken straight from <private/qvariant_p.h>
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#ifdef Q_CC_SUN // Sun CC picks the wrong overload, so introduce awful hack
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template <typename T>
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inline T *v_cast(const QVariant::Private *nd, T * = 0)
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{
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QVariant::Private *d = const_cast<QVariant::Private *>(nd);
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return ((sizeof(T) > sizeof(QVariant::Private::Data))
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? static_cast<T *>(d->data.shared->ptr)
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: static_cast<T *>(static_cast<void *>(&d->data.c)));
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}
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#else // every other compiler in this world
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template <typename T>
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inline const T *v_cast(const QVariant::Private *d, T * = 0)
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{
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return ((sizeof(T) > sizeof(QVariant::Private::Data))
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? static_cast<const T *>(d->data.shared->ptr)
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: static_cast<const T *>(static_cast<const void *>(&d->data.c)));
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}
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template <typename T>
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inline T *v_cast(QVariant::Private *d, T * = 0)
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{
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return ((sizeof(T) > sizeof(QVariant::Private::Data))
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? static_cast<T *>(d->data.shared->ptr)
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: static_cast<T *>(static_cast<void *>(&d->data.c)));
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}
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#endif
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template <typename T>
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inline T qVariantToHelper(const QVariant::Private &d, QVariant::Type t,
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const QVariant::Handler *handler, T * = 0)
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{
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if (d.type == t)
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return *v_cast<T>(&d);
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T ret;
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handler->convert(&d, t, &ret, 0);
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return ret;
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}
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QFont QVariant::toFont() const {
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return qVariantToHelper<QFont>(d, Font, handler);
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}
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QColor QVariant::toColor() const {
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return qVariantToHelper<QColor>(d, Color, handler);
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}
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QCursor QVariant::toCursor() const {
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return qVariantToHelper<QCursor>(d, Cursor, handler);
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}
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QBitmap QVariant::toBitmap() const {
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return qVariantToHelper<QBitmap>(d, Bitmap, handler);
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}
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Q3PointArray QVariant::toPointArray() const {
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return qVariantToHelper<Q3PointArray>(d, PointArray, handler);
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}
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QRegion QVariant::toRegion() const {
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return qVariantToHelper<QRegion>(d, Region, handler);
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}
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QPixmap QVariant::toPixmap() const {
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return qVariantToHelper<QPixmap>(d, Pixmap, handler);
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}
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QImage QVariant::toImage() const {
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return qVariantToHelper<QImage>(d, Image, handler);
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}
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QBrush QVariant::toBrush() const {
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return qVariantToHelper<QBrush>(d, Brush, handler);
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}
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QPalette QVariant::toPalette() const {
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return qVariantToHelper<QPalette>(d, Palette, handler);
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}
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QColorGroup QVariant::toColorGroup() const {
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return qVariantToHelper<QColorGroup>(d, ColorGroup, handler);
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}
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QIconSet QVariant::toIconSet() const {
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return qVariantToHelper<QIconSet>(d, IconSet, handler);
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}
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QFont QVariant::asFont() {
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return toFont();
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}
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QColor QVariant::asColor() {
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return toColor();
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}
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#endif // USE_QT4
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