tools/qvfb/qvfbview.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 tools applications 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 QVFBVIEW_H
       
    43 #define QVFBVIEW_H
       
    44 
       
    45 //#ifdef QT_NO_OPENGL
       
    46 #include <QWidget>
       
    47 //#else
       
    48 //#define QVFB_USE_GLWIDGET
       
    49 //#include <QGLWidget>
       
    50 //#endif
       
    51 
       
    52 QT_BEGIN_NAMESPACE
       
    53 
       
    54 class QImage;
       
    55 class QTimer;
       
    56 class QAnimationWriter;
       
    57 struct QVFbHeader;
       
    58 class QVFbViewProtocol;
       
    59 class QX11EmbedContainer;
       
    60 
       
    61 class QVFbAbstractView :
       
    62 #ifdef QVFB_USE_GLWIDGET
       
    63     public QGLWidget
       
    64 #else
       
    65     public QWidget
       
    66 #endif
       
    67 {
       
    68     Q_OBJECT
       
    69 public:
       
    70     enum Rotation { Rot0, Rot90, Rot180, Rot270 };
       
    71     enum PixelFormat { DefaultFormat, GrayscaleFormat, RGBFormat, ARGBFormat };
       
    72     QVFbAbstractView( QWidget *parent = 0);
       
    73     virtual ~QVFbAbstractView();
       
    74 
       
    75     virtual int displayId() const = 0;
       
    76     virtual int displayWidth() const = 0;
       
    77     virtual int displayHeight() const = 0;
       
    78     virtual int displayDepth() const = 0;
       
    79     virtual PixelFormat displayFormat() const { return DefaultFormat; }
       
    80     virtual bool rgbSwapped() const { return false; }
       
    81     virtual Rotation displayRotation() const = 0;
       
    82 
       
    83     virtual void setGamma(double gr, double gg, double gb) = 0;
       
    84     virtual double gammaRed() const = 0;
       
    85     virtual double gammaGreen() const = 0;
       
    86     virtual double gammaBlue() const = 0;
       
    87     virtual void getGamma(int i, QRgb& rgb) = 0;
       
    88 
       
    89     virtual bool touchScreenEmulation() const = 0;
       
    90     virtual bool lcdScreenEmulation() const = 0;
       
    91     virtual int rate() = 0;
       
    92     virtual bool animating() const = 0;
       
    93     virtual QImage image() const = 0;
       
    94     virtual void setRate(int) = 0;
       
    95 
       
    96     virtual double zoomH() const = 0;
       
    97     virtual double zoomV() const = 0;
       
    98 
       
    99 public slots:
       
   100     virtual void setTouchscreenEmulation( bool ) = 0;
       
   101     virtual void setLcdScreenEmulation( bool ) = 0;
       
   102     virtual void setZoom( double, double ) = 0;
       
   103     virtual void setRotation(Rotation) = 0;
       
   104     virtual void startAnimation( const QString& ) = 0;
       
   105     virtual void stopAnimation() = 0;
       
   106     virtual void skinKeyPressEvent( int code, const QString& text, bool autorep=FALSE ) = 0;
       
   107     virtual void skinKeyReleaseEvent( int code, const QString& text, bool autorep=FALSE ) = 0;
       
   108     virtual void setViewFormat(PixelFormat) {}
       
   109     virtual void setRgbSwapped( bool ) {};
       
   110     virtual void embedDisplay(WId) {}
       
   111 };
       
   112 
       
   113 class QVFbView : public QVFbAbstractView
       
   114 {
       
   115     Q_OBJECT
       
   116 public:
       
   117     QVFbView(int id, int w, int h, int d, Rotation r, QWidget *parent = 0);
       
   118     virtual ~QVFbView();
       
   119 
       
   120     int displayId() const;
       
   121     int displayWidth() const;
       
   122     int displayHeight() const;
       
   123     int displayDepth() const;
       
   124     PixelFormat displayFormat() const;
       
   125     bool rgbSwapped() const { return rgb_swapped; }
       
   126     Rotation displayRotation() const;
       
   127 
       
   128     bool touchScreenEmulation() const { return emulateTouchscreen; }
       
   129     bool lcdScreenEmulation() const { return emulateLcdScreen; }
       
   130     int rate() { return refreshRate; }
       
   131     bool animating() const { return !!animation; }
       
   132     QImage image() const;
       
   133 
       
   134     void setGamma(double gr, double gg, double gb);
       
   135     double gammaRed() const { return gred; }
       
   136     double gammaGreen() const { return ggreen; }
       
   137     double gammaBlue() const { return gblue; }
       
   138     void getGamma(int i, QRgb& rgb);
       
   139     void skinMouseEvent(QMouseEvent *e);
       
   140 
       
   141     double zoomH() const { return hzm; }
       
   142     double zoomV() const { return vzm; }
       
   143 
       
   144     QSize sizeHint() const;
       
   145     void setRate(int);
       
   146 
       
   147 public slots:
       
   148     void setTouchscreenEmulation(bool);
       
   149     void setLcdScreenEmulation(bool);
       
   150     void setZoom(double, double);
       
   151     void setRotation(Rotation);
       
   152     void startAnimation(const QString&);
       
   153     void stopAnimation();
       
   154     void skinKeyPressEvent(int code, const QString& text, bool autorep=FALSE);
       
   155     void skinKeyReleaseEvent(int code, const QString& text, bool autorep=FALSE);
       
   156     void setViewFormat(PixelFormat);
       
   157     void setRgbSwapped(bool b) { rgb_swapped = b; }
       
   158 #ifdef Q_WS_X11
       
   159     void embedDisplay(WId id);
       
   160 #endif
       
   161 
       
   162 protected slots:
       
   163     void refreshDisplay(const QRect &);
       
   164 
       
   165 protected:
       
   166     QImage getBuffer(const QRect &r, int &leading) const;
       
   167     void drawScreen(const QRect &r);
       
   168     void sendMouseData(const QPoint &pos, int buttons, int wheel);
       
   169     void sendKeyboardData(QString unicode, int keycode, int modifiers,
       
   170 			   bool press, bool repeat);
       
   171     //virtual bool eventFilter(QObject *obj, QEvent *e);
       
   172     virtual void paintEvent(QPaintEvent *pe);
       
   173     virtual void contextMenuEvent(QContextMenuEvent *e);
       
   174     virtual void mousePressEvent(QMouseEvent *e);
       
   175     virtual void mouseDoubleClickEvent(QMouseEvent *e);
       
   176     virtual void mouseReleaseEvent(QMouseEvent *e);
       
   177     virtual void mouseMoveEvent(QMouseEvent *e);
       
   178     virtual void wheelEvent(QWheelEvent *e);
       
   179     virtual void keyPressEvent(QKeyEvent *e);
       
   180     virtual void keyReleaseEvent(QKeyEvent *e);
       
   181     virtual bool event(QEvent *event);
       
   182 
       
   183 private:
       
   184     void setDirty(const QRect&);
       
   185     int viewdepth; // "faked" depth
       
   186     PixelFormat viewFormat;
       
   187     bool rgb_swapped;
       
   188     int rsh;
       
   189     int gsh;
       
   190     int bsh;
       
   191     int rmax;
       
   192     int gmax;
       
   193     int bmax;
       
   194     int contentsWidth;
       
   195     int contentsHeight;
       
   196     double gred, ggreen, gblue;
       
   197     QRgb* gammatable;
       
   198 
       
   199     int refreshRate;
       
   200     QAnimationWriter *animation;
       
   201     double hzm,vzm;
       
   202     QVFbViewProtocol *mView;
       
   203     bool emulateTouchscreen;
       
   204     bool emulateLcdScreen;
       
   205     Rotation rotation;
       
   206 
       
   207 #ifdef Q_WS_X11
       
   208     QX11EmbedContainer *embedContainer;
       
   209 #endif
       
   210 };
       
   211 
       
   212 QT_END_NAMESPACE
       
   213 
       
   214 #endif