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143 lines
4.2 KiB
143 lines
4.2 KiB
/****************************************************************************
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** $Id$
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**
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** Definition of some shared interal classes
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**
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** Created : 010427
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**
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** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
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**
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** This file is part of the kernel module of the TQt GUI Toolkit.
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**
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** This file may be distributed under the terms of the Q Public License
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** as defined by Trolltech AS of Norway and appearing in the file
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** LICENSE.TQPL included in the packaging of this file.
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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**
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** Licensees holding valid TQt Enterprise Edition or TQt Professional Edition
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** licenses may use this file in accordance with the TQt Commercial License
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** Agreement provided with the Software.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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** information about TQt Commercial License Agreements.
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** See http://www.trolltech.com/qpl/ for TQPL licensing information.
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** See http://www.trolltech.com/gpl/ for GPL licensing information.
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**
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** Contact info@trolltech.com if any conditions of this licensing are
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** not clear to you.
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**
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** SPDX-License-Identifier: GPL-2.0 OR QPL-1.0
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**
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**********************************************************************/
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#ifndef SECTQINTERNAL_P_H
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#define SECTQINTERNAL_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the TQt API. It exists for the convenience
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// of a number of TQt sources files. This header file may change from
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// version to version without notice, or even be removed.
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//
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// We mean it.
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//
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//
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#ifndef QT_H
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#include "ntqnamespace.h"
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#include "ntqrect.h"
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#include "ntqptrlist.h"
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#include "ntqcstring.h"
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#include "ntqiodevice.h"
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#endif // QT_H
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class TQWidget;
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class TQPainter;
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class TQPixmap;
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class Q_EXPORT SecTQSharedDoubleBuffer
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{
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public:
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enum DoubleBufferFlags {
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NoFlags = 0x00,
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InitBG = 0x01,
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Force = 0x02,
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Default = InitBG | Force
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};
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typedef uint DBFlags;
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SecTQSharedDoubleBuffer( DBFlags f = Default );
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SecTQSharedDoubleBuffer( TQWidget* widget,
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int x = 0, int y = 0, int w = -1, int h = -1,
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DBFlags f = Default );
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SecTQSharedDoubleBuffer( TQPainter* painter,
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int x = 0, int y = 0, int w = -1, int h = -1,
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DBFlags f = Default );
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SecTQSharedDoubleBuffer( TQWidget *widget, const TQRect &r, DBFlags f = Default );
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SecTQSharedDoubleBuffer( TQPainter *painter, const TQRect &r, DBFlags f = Default );
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~SecTQSharedDoubleBuffer();
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bool begin( TQWidget* widget, int x = 0, int y = 0, int w = -1, int h = -1 );
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bool begin( TQPainter* painter, int x = 0, int y = 0, int w = -1, int h = -1);
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bool begin( TQWidget* widget, const TQRect &r );
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bool begin( TQPainter* painter, const TQRect &r );
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bool end();
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TQPainter* painter() const;
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bool isActive() const;
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bool isBuffered() const;
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void flush();
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static bool isDisabled() { return !dblbufr; }
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static void setDisabled( bool off ) { dblbufr = !off; }
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static void cleanup();
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private:
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enum DoubleBufferState {
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Active = 0x0100,
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BufferActive = 0x0200,
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ExternalPainter = 0x0400
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};
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typedef uint DBState;
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TQPixmap *getPixmap();
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void releasePixmap();
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TQWidget *wid;
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int rx, ry, rw, rh;
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DBFlags flags;
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DBState state;
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TQPainter *p, *external_p;
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TQPixmap *pix;
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static bool dblbufr;
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};
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inline bool SecTQSharedDoubleBuffer::begin( TQWidget* widget, const TQRect &r )
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{ return begin( widget, r.x(), r.y(), r.width(), r.height() ); }
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inline bool SecTQSharedDoubleBuffer::begin( TQPainter *painter, const TQRect &r )
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{ return begin( painter, r.x(), r.y(), r.width(), r.height() ); }
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inline TQPainter* SecTQSharedDoubleBuffer::painter() const
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{ return p; }
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inline bool SecTQSharedDoubleBuffer::isActive() const
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{ return ( state & Active ); }
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inline bool SecTQSharedDoubleBuffer::isBuffered() const
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{ return ( state & BufferActive ); }
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#endif // SECTQINTERNAL_P_H
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