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| |
| #ifndef QWINDOWSCURSOR_H |
| #define QWINDOWSCURSOR_H |
| |
| #include <QtCore/qt_windows.h> |
| |
| #include <qpa/qplatformcursor.h> |
| #include <QtCore/qsharedpointer.h> |
| #include <QtCore/qhash.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| struct QWindowsPixmapCursorCacheKey |
| { |
| explicit QWindowsPixmapCursorCacheKey(const QCursor &c); |
| |
| qint64 bitmapCacheKey; |
| qint64 maskCacheKey; |
| }; |
| |
| inline bool operator==(const QWindowsPixmapCursorCacheKey &k1, const QWindowsPixmapCursorCacheKey &k2) |
| { |
| return k1.bitmapCacheKey == k2.bitmapCacheKey && k1.maskCacheKey == k2.maskCacheKey; |
| } |
| |
| inline uint qHash(const QWindowsPixmapCursorCacheKey &k, uint seed) noexcept |
| { |
| return (uint(k.bitmapCacheKey) + uint(k.maskCacheKey)) ^ seed; |
| } |
| |
| class CursorHandle |
| { |
| Q_DISABLE_COPY_MOVE(CursorHandle) |
| public: |
| explicit CursorHandle(HCURSOR hcursor = nullptr) : m_hcursor(hcursor) {} |
| ~CursorHandle() |
| { |
| if (m_hcursor) |
| DestroyCursor(m_hcursor); |
| } |
| |
| bool isNull() const { return !m_hcursor; } |
| HCURSOR handle() const { return m_hcursor; } |
| |
| private: |
| const HCURSOR m_hcursor; |
| }; |
| |
| using CursorHandlePtr = QSharedPointer<CursorHandle>; |
| |
| class QWindowsCursor : public QPlatformCursor |
| { |
| public: |
| enum class State { |
| Showing, |
| Hidden, |
| Suppressed // Cursor suppressed by touch interaction (Windows 8). |
| }; |
| |
| struct PixmapCursor { |
| explicit PixmapCursor(const QPixmap &pix = QPixmap(), const QPoint &h = QPoint()) : pixmap(pix), hotSpot(h) {} |
| |
| QPixmap pixmap; |
| QPoint hotSpot; |
| }; |
| |
| explicit QWindowsCursor(const QPlatformScreen *screen); |
| |
| void changeCursor(QCursor * widgetCursor, QWindow * widget) override; |
| void setOverrideCursor(const QCursor &cursor) override; |
| void clearOverrideCursor() override; |
| static void enforceOverrideCursor(); |
| static bool hasOverrideCursor() { return m_overriddenCursor != nullptr; } |
| |
| QPoint pos() const override; |
| void setPos(const QPoint &pos) override; |
| |
| QSize size() const override; |
| |
| static HCURSOR createPixmapCursor(QPixmap pixmap, const QPoint &hotSpot, qreal scaleFactor = 1); |
| static HCURSOR createPixmapCursor(const PixmapCursor &pc, qreal scaleFactor = 1) { return createPixmapCursor(pc.pixmap, pc.hotSpot, scaleFactor); } |
| static PixmapCursor customCursor(Qt::CursorShape cursorShape, const QPlatformScreen *screen = nullptr); |
| |
| static HCURSOR createCursorFromShape(Qt::CursorShape cursorShape, const QPlatformScreen *screen = nullptr); |
| static QPoint mousePosition(); |
| static State cursorState(); |
| |
| CursorHandlePtr standardWindowCursor(Qt::CursorShape s = Qt::ArrowCursor); |
| CursorHandlePtr pixmapWindowCursor(const QCursor &c); |
| |
| QPixmap dragDefaultCursor(Qt::DropAction action) const; |
| |
| HCURSOR hCursor(const QCursor &c) const; |
| |
| private: |
| typedef QHash<Qt::CursorShape, CursorHandlePtr> StandardCursorCache; |
| typedef QHash<QWindowsPixmapCursorCacheKey, CursorHandlePtr> PixmapCursorCache; |
| |
| CursorHandlePtr cursorHandle(const QCursor &c); |
| |
| const QPlatformScreen *const m_screen; |
| StandardCursorCache m_standardCursorCache; |
| PixmapCursorCache m_pixmapCursorCache; |
| |
| mutable QPixmap m_copyDragCursor; |
| mutable QPixmap m_moveDragCursor; |
| mutable QPixmap m_linkDragCursor; |
| mutable QPixmap m_ignoreDragCursor; |
| |
| static HCURSOR m_overriddenCursor; |
| static HCURSOR m_overrideCursor; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QWINDOWSCURSOR_H |