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39 | |
40 | #ifndef QXCBBACKINGSTORE_H |
41 | #define QXCBBACKINGSTORE_H |
42 | |
43 | #include <qpa/qplatformbackingstore.h> |
44 | #include <QtCore/QStack> |
45 | |
46 | #include <xcb/xcb.h> |
47 | |
48 | #include "qxcbobject.h" |
49 | |
50 | QT_BEGIN_NAMESPACE |
51 | |
52 | class QXcbBackingStoreImage; |
53 | |
54 | class QXcbBackingStore : public QXcbObject, public QPlatformBackingStore |
55 | { |
56 | public: |
57 | QXcbBackingStore(QWindow *window); |
58 | ~QXcbBackingStore(); |
59 | |
60 | QPaintDevice *paintDevice() override; |
61 | void flush(QWindow *window, const QRegion ®ion, const QPoint &offset) override; |
62 | #ifndef QT_NO_OPENGL |
63 | void composeAndFlush(QWindow *window, const QRegion ®ion, const QPoint &offset, |
64 | QPlatformTextureList *textures, |
65 | bool translucentBackground) override; |
66 | #endif |
67 | QImage toImage() const override; |
68 | |
69 | QPlatformGraphicsBuffer *graphicsBuffer() const override; |
70 | |
71 | void resize(const QSize &size, const QRegion &staticContents) override; |
72 | bool scroll(const QRegion &area, int dx, int dy) override; |
73 | |
74 | void beginPaint(const QRegion &) override; |
75 | void endPaint() override; |
76 | |
77 | static bool createSystemVShmSegment(xcb_connection_t *c, size_t segmentSize = 1, |
78 | void *shmInfo = nullptr); |
79 | |
80 | protected: |
81 | virtual void render(xcb_window_t window, const QRegion ®ion, const QPoint &offset); |
82 | virtual void recreateImage(QXcbWindow *win, const QSize &size); |
83 | |
84 | QXcbBackingStoreImage *m_image = nullptr; |
85 | QStack<QRegion> m_paintRegions; |
86 | QImage m_rgbImage; |
87 | }; |
88 | |
89 | class QXcbSystemTrayBackingStore : public QXcbBackingStore |
90 | { |
91 | public: |
92 | QXcbSystemTrayBackingStore(QWindow *window); |
93 | ~QXcbSystemTrayBackingStore(); |
94 | |
95 | void beginPaint(const QRegion &) override; |
96 | |
97 | protected: |
98 | void render(xcb_window_t window, const QRegion ®ion, const QPoint &offset) override; |
99 | void recreateImage(QXcbWindow *win, const QSize &size) override; |
100 | |
101 | private: |
102 | void initXRenderMode(); |
103 | |
104 | xcb_pixmap_t m_xrenderPixmap = XCB_NONE; |
105 | xcb_render_picture_t m_xrenderPicture = XCB_NONE; |
106 | xcb_render_pictformat_t m_xrenderPictFormat = XCB_NONE; |
107 | xcb_render_picture_t m_windowPicture = XCB_NONE; |
108 | |
109 | bool m_usingXRenderMode = false; |
110 | bool m_useGrabbedBackgound = false; |
111 | QPixmap m_grabbedBackground; |
112 | }; |
113 | |
114 | QT_END_NAMESPACE |
115 | |
116 | #endif |
117 | |