Added TQt4 HEAD

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diff --git a/tqtinterface/qt4/src/kernel/tqinternal_p.h b/tqtinterface/qt4/src/kernel/tqinternal_p.h
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+++ b/tqtinterface/qt4/src/kernel/tqinternal_p.h
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+/****************************************************************************
+**
+** Definition of some shared interal classes
+**
+** Created : 010427
+**
+** Copyright (C) 2010 Timothy Pearson and (C) 1992-2008 Trolltech ASA.
+**
+** This file is part of the kernel module of the TQt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free TQt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
+** included in the packaging of this file.  Licensees holding valid TQt
+** Commercial licenses may use this file in accordance with the TQt
+** Commercial License Agreement provided with the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#ifndef TQINTERNAL_P_H
+#define TQINTERNAL_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the TQt API.  It exists for the convenience
+// of a number of TQt sources files.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+//
+#ifndef TQT_H
+#include "tqnamespace.h"
+#include "tqrect.h"
+#include "tqptrlist.h"
+#include "tqcstring.h"
+#include "tqiodevice.h"
+#endif // TQT_H
+
+class TQWidget;
+class TQPainter;
+class TQPixmap;
+
+class TQ_EXPORT TQSharedDoubleBuffer
+{
+public:
+    enum DoubleBufferFlags {
+	NoFlags         = 0x00,
+	InitBG		= 0x01,
+	Force		= 0x02,
+	Default		= InitBG | Force
+    };
+    typedef uint DBFlags;
+
+    TQSharedDoubleBuffer( DBFlags f = Default );
+    TQSharedDoubleBuffer( TQWidget* widget,
+			 int x = 0, int y = 0, int w = -1, int h = -1,
+			 DBFlags f = Default );
+    TQSharedDoubleBuffer( TQPainter* painter,
+			 int x = 0, int y = 0, int w = -1, int h = -1,
+			 DBFlags f = Default );
+    TQSharedDoubleBuffer( TQWidget *widget, const TQRect &r, DBFlags f = Default );
+    TQSharedDoubleBuffer( TQPainter *painter, const TQRect &r, DBFlags f = Default );
+    ~TQSharedDoubleBuffer();
+
+    bool begin( TQWidget* widget, int x = 0, int y = 0, int w = -1, int h = -1 );
+    bool begin( TQPainter* painter, int x = 0, int y = 0, int w = -1, int h = -1);
+    bool begin( TQWidget* widget, const TQRect &r );
+    bool begin( TQPainter* painter, const TQRect &r );
+    bool end();
+
+    TQPainter* painter() const;
+
+    bool isActive() const;
+    bool isBuffered() const;
+    void flush();
+
+    static bool isDisabled() { return !dblbufr; }
+    static void setDisabled( bool off ) { dblbufr = !off; }
+
+    static void cleanup();
+
+private:
+    enum DoubleBufferState {
+	Active		= 0x0100,
+	BufferActive	= 0x0200,
+	ExternalPainter	= 0x0400
+    };
+    typedef uint DBState;
+
+    TQPixmap *getPixmap();
+    void releasePixmap();
+
+    TQWidget *wid;
+    int rx, ry, rw, rh;
+    DBFlags flags;
+    DBState state;
+
+    TQPainter *p, *external_p;
+    TQPixmap *pix;
+
+    static bool dblbufr;
+};
+
+inline bool TQSharedDoubleBuffer::begin( TQWidget* widget, const TQRect &r )
+{ return begin( widget, r.x(), r.y(), r.width(), r.height() ); }
+
+inline bool TQSharedDoubleBuffer::begin( TQPainter *painter, const TQRect &r )
+{ return begin( painter, r.x(), r.y(), r.width(), r.height() ); }
+
+inline TQPainter* TQSharedDoubleBuffer::painter() const
+{ return p; }
+
+inline bool TQSharedDoubleBuffer::isActive() const
+{ return ( state & Active ); }
+
+inline bool TQSharedDoubleBuffer::isBuffered() const
+{ return ( state & BufferActive ); }
+
+
+class TQVirtualDestructor {
+public:
+    virtual ~TQVirtualDestructor() {}
+};
+
+template <class T>
+class TQAutoDeleter : public TQVirtualDestructor {
+public:
+    TQAutoDeleter( T* p ) : ptr( p ) {}
+    ~TQAutoDeleter() { delete ptr; }
+    T* data() const { return ptr; }
+private:
+    T* ptr;
+};
+
+template <class T>
+T* qAutoDeleterData( TQAutoDeleter<T>* ad )
+{
+    if ( !ad )
+	return 0;
+    return ad->data();
+}
+
+template <class T>
+TQAutoDeleter<T>* qAutoDeleter( T* p )
+{
+    return new TQAutoDeleter<T>( p );
+}
+
+class TQ_EXPORT TQMembuf
+{
+public:
+    TQMembuf();
+    ~TQMembuf();
+
+    void append( TQByteArray *ba );
+    void clear();
+
+    bool consumeBytes( TQ_ULONG nbytes, char *sink );
+    TQByteArray readAll();
+    bool scanNewline( TQByteArray *store );
+    bool canReadLine() const;
+
+    int ungetch( int ch );
+
+    TQIODevice::Offset size() const;
+
+private:
+
+    TQPtrList<TQByteArray> *buf;
+    TQIODevice::Offset _size;
+    TQIODevice::Offset _index;
+};
+
+inline void TQMembuf::append( TQByteArray *ba )
+{ buf->append( ba ); _size += ba->size(); }
+
+inline void TQMembuf::clear()
+{ buf->clear(); _size=0; _index=0; }
+
+inline TQByteArray TQMembuf::readAll()
+{ TQByteArray ba(_size); consumeBytes(_size,ba.data()); return ba; }
+
+inline bool TQMembuf::canReadLine() const
+{ return ((TQMembuf*)this)->scanNewline( 0 ); }
+
+inline TQIODevice::Offset TQMembuf::size() const
+{ return _size; }
+
+#endif // TQINTERNAL_P_H