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41 
42 #ifndef QBBWINDOW_H
43 #define QBBWINDOW_H
44 
45 #include "qbbbuffer.h"
46 
47 #include <QImage>
48 #include <QtGui/QPlatformWindow>
49 
50 #include <screen/screen.h>
51 #include <EGL/egl.h>
52 
53 QT_BEGIN_NAMESPACE
54 
55 class QPlatformWindowFormat;
56 class QBBGLContext;
57 class QBBScreen;
58 
59 class QBBWindow : public QPlatformWindow
60 {
61 friend class QBBScreen;
62 public:
63     QBBWindow(QWidget *window, screen_context_t context, QBBScreen *screen);
64     virtual ~QBBWindow();
65 
66     virtual void setGeometry(const QRect &rect);
67     virtual void setVisible(bool visible);
68     virtual void setOpacity(qreal level);
69 
winId()70     virtual WId winId() const { return (WId)mWindow; }
71 
72     void setBufferSize(const QSize &size);
bufferSize()73     QSize bufferSize() const { return mBufferSize; }
hasBuffers()74     bool hasBuffers() const { return !mBufferSize.isEmpty(); }
75 
76     QBBBuffer &renderBuffer();
77     QBBBuffer &frontBuffer();
78 
79     void scroll(const QRegion &region, int dx, int dy, bool flush=false);
80     void post(const QRegion &dirty);
81 
82     void setScreen(QBBScreen *platformScreen);
83 
84     virtual QPlatformGLContext *glContext() const;
85 
86     virtual void setParent(const QPlatformWindow *window);
87     virtual void raise();
88     virtual void lower();
89     virtual void requestActivateWindow();
90 
91     void gainedFocus();
92 
screen()93     QBBScreen* screen() const { return mScreen; }
children()94     const QList<QBBWindow*>& children() const { return mChildren; }
95 
96     QBBWindow *findWindow(screen_window_t windowHandle);
97 
98 private:
99 
100     enum Buffer {
101         BACK_BUFFER,
102         FRONT_BUFFER,
103         MAX_BUFFER_COUNT
104     };
105 
106     QBBBuffer &buffer(QBBWindow::Buffer bufferIndex);
107 
108     screen_context_t mContext;
109     screen_window_t mWindow;
110     QSize mBufferSize;
111     QBBBuffer mBuffers[MAX_BUFFER_COUNT];
112     int mCurrentBufferIndex;
113     int mPreviousBufferIndex;
114     QRegion mPreviousDirty;
115     QRegion mScrolled;
116 
117     mutable QBBGLContext* mPlatformGlContext;
118     QBBScreen* mScreen;
119     QList<QBBWindow*> mChildren;
120     QBBWindow *mParent;
121     bool mVisible;
122 
123     void removeFromParent();
124     void offset(const QPoint &offset);
125     void updateVisibility(bool parentVisible);
126     void updateZorder(int &topZorder);
127 
128     void fetchBuffers();
129 
130     void copyBack(const QRegion &region, int dx, int dy, bool flush=false);
131 
132     static int platformWindowFormatToNativeFormat(const QPlatformWindowFormat &format);
133 };
134 
135 QT_END_NAMESPACE
136 
137 #endif // QBBWINDOW_H
138