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| |
| #ifndef QXCBCURSOR_H |
| #define QXCBCURSOR_H |
| |
| #include <qpa/qplatformcursor.h> |
| #include "qxcbscreen.h" |
| |
| #include <QtCore/QCache> |
| |
| QT_BEGIN_NAMESPACE |
| |
| #ifndef QT_NO_CURSOR |
| |
| struct QXcbCursorCacheKey |
| { |
| explicit QXcbCursorCacheKey(const QCursor &c); |
| explicit QXcbCursorCacheKey(Qt::CursorShape s) : shape(s), bitmapCacheKey(0), maskCacheKey(0) {} |
| QXcbCursorCacheKey() : shape(Qt::CustomCursor), bitmapCacheKey(0), maskCacheKey(0) {} |
| |
| Qt::CursorShape shape; |
| qint64 bitmapCacheKey; |
| qint64 maskCacheKey; |
| }; |
| |
| inline bool operator==(const QXcbCursorCacheKey &k1, const QXcbCursorCacheKey &k2) |
| { |
| return k1.shape == k2.shape && k1.bitmapCacheKey == k2.bitmapCacheKey && k1.maskCacheKey == k2.maskCacheKey; |
| } |
| |
| inline uint qHash(const QXcbCursorCacheKey &k, uint seed) noexcept |
| { |
| return (uint(k.shape) + uint(k.bitmapCacheKey) + uint(k.maskCacheKey)) ^ seed; |
| } |
| |
| #endif // !QT_NO_CURSOR |
| |
| class QXcbCursor : public QXcbObject, public QPlatformCursor |
| { |
| public: |
| QXcbCursor(QXcbConnection *conn, QXcbScreen *screen); |
| ~QXcbCursor(); |
| #ifndef QT_NO_CURSOR |
| void changeCursor(QCursor *cursor, QWindow *window) override; |
| #endif |
| QPoint pos() const override; |
| void setPos(const QPoint &pos) override; |
| |
| static void queryPointer(QXcbConnection *c, QXcbVirtualDesktop **virtualDesktop, QPoint *pos, int *keybMask = nullptr); |
| |
| #ifndef QT_NO_CURSOR |
| xcb_cursor_t xcbCursor(const QCursor &c) const |
| { return m_cursorHash.value(QXcbCursorCacheKey(c), xcb_cursor_t(0)); } |
| #endif |
| |
| private: |
| |
| #ifndef QT_NO_CURSOR |
| typedef QHash<QXcbCursorCacheKey, xcb_cursor_t> CursorHash; |
| |
| struct CachedCursor |
| { |
| explicit CachedCursor(xcb_connection_t *conn, xcb_cursor_t c) |
| : cursor(c), connection(conn) {} |
| ~CachedCursor() { xcb_free_cursor(connection, cursor); } |
| xcb_cursor_t cursor; |
| xcb_connection_t *connection; |
| }; |
| typedef QCache<QXcbCursorCacheKey, CachedCursor> BitmapCursorCache; |
| |
| xcb_cursor_t createFontCursor(int cshape); |
| xcb_cursor_t createBitmapCursor(QCursor *cursor); |
| xcb_cursor_t createNonStandardCursor(int cshape); |
| #endif |
| |
| QXcbScreen *m_screen; |
| #ifndef QT_NO_CURSOR |
| CursorHash m_cursorHash; |
| BitmapCursorCache m_bitmapCache; |
| #endif |
| #if QT_CONFIG(xcb_xlib) && QT_CONFIG(library) |
| static void cursorThemePropertyChanged(QXcbVirtualDesktop *screen, |
| const QByteArray &name, |
| const QVariant &property, |
| void *handle); |
| #endif |
| bool m_gtkCursorThemeInitialized; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |