src/gui/embedded/qwsmanager_p.h
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the QtGui module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #ifndef QWSMANAGER_P_H
       
    43 #define QWSMANAGER_P_H
       
    44 
       
    45 //
       
    46 //  W A R N I N G
       
    47 //  -------------
       
    48 //
       
    49 // This file is not part of the Qt API.  It exists for the convenience
       
    50 // of the QLibrary class.  This header file may change from
       
    51 // version to version without notice, or even be removed.
       
    52 //
       
    53 // We mean it.
       
    54 //
       
    55 
       
    56 #include "QtGui/qregion.h"
       
    57 #include "QtGui/qdecoration_qws.h"
       
    58 
       
    59 #ifndef QT_NO_QWS_MANAGER
       
    60 
       
    61 #include "QtCore/qhash.h"
       
    62 
       
    63 QT_BEGIN_NAMESPACE
       
    64 
       
    65 class QWidget;
       
    66 class QMenu;
       
    67 
       
    68 class QWSManagerPrivate : public QObjectPrivate
       
    69 {
       
    70     Q_DECLARE_PUBLIC(QWSManager)
       
    71 public:
       
    72     QWSManagerPrivate();
       
    73 
       
    74     int activeRegion;
       
    75     QWidget *managed;
       
    76     QMenu *popup;
       
    77 
       
    78     enum MenuAction {
       
    79         NormalizeAction,
       
    80         TitleAction,
       
    81         BottomRightAction,
       
    82         MinimizeAction,
       
    83         MaximizeAction,
       
    84         CloseAction,
       
    85         LastMenuAction
       
    86     };
       
    87     QAction *menuActions[LastMenuAction];
       
    88 
       
    89     static QWidget *active;
       
    90     static QPoint mousePos;
       
    91 
       
    92     // Region caching to avoid getting a regiontype's
       
    93     // QRegion for each mouse move event
       
    94     int previousRegionType;
       
    95     bool previousRegionRepainted; // Hover/Press handled
       
    96     bool entireDecorationNeedsRepaint;
       
    97     struct RegionCaching {
       
    98         int regionType;
       
    99         QRegion region;
       
   100         Qt::WindowFlags windowFlags;
       
   101         QRect windowGeometry;
       
   102     } cached_region;
       
   103 
       
   104     bool newCachedRegion(const QPoint &pos);
       
   105     int cachedRegionAt()
       
   106     { return cached_region.regionType; }
       
   107 
       
   108     void dirtyRegion(int decorationRegion,
       
   109                      QDecoration::DecorationState state,
       
   110                      const QRegion &clip = QRegion());
       
   111     void clearDirtyRegions();
       
   112 
       
   113     QList<int> dirtyRegions;
       
   114     QList<QDecoration::DecorationState> dirtyStates;
       
   115     QRegion dirtyClip;
       
   116 };
       
   117 
       
   118 #endif // QT_NO_QWS_MANAGER
       
   119 
       
   120 QT_END_NAMESPACE
       
   121 
       
   122 #endif // QWSMANAGER_P_H