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39 | |
40 | #ifndef QXCBCURSOR_H |
41 | #define QXCBCURSOR_H |
42 | |
43 | #include <qpa/qplatformcursor.h> |
44 | #include "qxcbscreen.h" |
45 | |
46 | #include <QtCore/QCache> |
47 | |
48 | QT_BEGIN_NAMESPACE |
49 | |
50 | #ifndef QT_NO_CURSOR |
51 | |
52 | struct QXcbCursorCacheKey |
53 | { |
54 | explicit QXcbCursorCacheKey(const QCursor &c); |
55 | explicit QXcbCursorCacheKey(Qt::CursorShape s) : shape(s), bitmapCacheKey(0), maskCacheKey(0) {} |
56 | QXcbCursorCacheKey() : shape(Qt::CustomCursor), bitmapCacheKey(0), maskCacheKey(0) {} |
57 | |
58 | Qt::CursorShape shape; |
59 | qint64 bitmapCacheKey; |
60 | qint64 maskCacheKey; |
61 | }; |
62 | |
63 | inline bool operator==(const QXcbCursorCacheKey &k1, const QXcbCursorCacheKey &k2) |
64 | { |
65 | return k1.shape == k2.shape && k1.bitmapCacheKey == k2.bitmapCacheKey && k1.maskCacheKey == k2.maskCacheKey; |
66 | } |
67 | |
68 | inline uint qHash(const QXcbCursorCacheKey &k, uint seed) noexcept |
69 | { |
70 | return (uint(k.shape) + uint(k.bitmapCacheKey) + uint(k.maskCacheKey)) ^ seed; |
71 | } |
72 | |
73 | #endif // !QT_NO_CURSOR |
74 | |
75 | class QXcbCursor : public QXcbObject, public QPlatformCursor |
76 | { |
77 | public: |
78 | QXcbCursor(QXcbConnection *conn, QXcbScreen *screen); |
79 | ~QXcbCursor(); |
80 | #ifndef QT_NO_CURSOR |
81 | void changeCursor(QCursor *cursor, QWindow *window) override; |
82 | #endif |
83 | QPoint pos() const override; |
84 | void setPos(const QPoint &pos) override; |
85 | |
86 | static void queryPointer(QXcbConnection *c, QXcbVirtualDesktop **virtualDesktop, QPoint *pos, int *keybMask = nullptr); |
87 | |
88 | #ifndef QT_NO_CURSOR |
89 | xcb_cursor_t xcbCursor(const QCursor &c) const |
90 | { return m_cursorHash.value(akey: QXcbCursorCacheKey(c), adefaultValue: xcb_cursor_t(0)); } |
91 | #endif |
92 | |
93 | private: |
94 | |
95 | #ifndef QT_NO_CURSOR |
96 | typedef QHash<QXcbCursorCacheKey, xcb_cursor_t> CursorHash; |
97 | |
98 | struct CachedCursor |
99 | { |
100 | explicit CachedCursor(xcb_connection_t *conn, xcb_cursor_t c) |
101 | : cursor(c), connection(conn) {} |
102 | ~CachedCursor() { xcb_free_cursor(c: connection, cursor); } |
103 | xcb_cursor_t cursor; |
104 | xcb_connection_t *connection; |
105 | }; |
106 | typedef QCache<QXcbCursorCacheKey, CachedCursor> BitmapCursorCache; |
107 | |
108 | xcb_cursor_t createFontCursor(int cshape); |
109 | xcb_cursor_t createBitmapCursor(QCursor *cursor); |
110 | xcb_cursor_t createNonStandardCursor(int cshape); |
111 | #endif |
112 | |
113 | QXcbScreen *m_screen; |
114 | #ifndef QT_NO_CURSOR |
115 | CursorHash m_cursorHash; |
116 | BitmapCursorCache m_bitmapCache; |
117 | #endif |
118 | #if QT_CONFIG(xcb_xlib) && QT_CONFIG(library) |
119 | static void cursorThemePropertyChanged(QXcbVirtualDesktop *screen, |
120 | const QByteArray &name, |
121 | const QVariant &property, |
122 | void *handle); |
123 | #endif |
124 | bool m_gtkCursorThemeInitialized; |
125 | }; |
126 | |
127 | QT_END_NAMESPACE |
128 | |
129 | #endif |
130 | |