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| |
| #ifndef QEGLPLATFORMCURSOR_H |
| #define QEGLPLATFORMCURSOR_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <qpa/qplatformcursor.h> |
| #include <qpa/qplatformscreen.h> |
| #include <QtGui/QOpenGLFunctions> |
| #include <QtGui/private/qinputdevicemanager_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QOpenGLShaderProgram; |
| class QEGLPlatformCursor; |
| class QEGLPlatformScreen; |
| |
| class QEGLPlatformCursorDeviceListener : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| QEGLPlatformCursorDeviceListener(QEGLPlatformCursor *cursor) : m_cursor(cursor) { } |
| bool hasMouse() const; |
| |
| public slots: |
| void onDeviceListChanged(QInputDeviceManager::DeviceType type); |
| |
| private: |
| QEGLPlatformCursor *m_cursor; |
| }; |
| |
| class QEGLPlatformCursor : public QPlatformCursor, protected QOpenGLFunctions |
| { |
| Q_OBJECT |
| public: |
| QEGLPlatformCursor(QPlatformScreen *screen); |
| ~QEGLPlatformCursor(); |
| |
| #ifndef QT_NO_CURSOR |
| void changeCursor(QCursor *cursor, QWindow *widget) Q_DECL_OVERRIDE; |
| #endif |
| void pointerEvent(const QMouseEvent &event) Q_DECL_OVERRIDE; |
| QPoint pos() const Q_DECL_OVERRIDE; |
| void setPos(const QPoint &pos) Q_DECL_OVERRIDE; |
| |
| QRect cursorRect() const; |
| void paintOnScreen(); |
| void resetResources(); |
| |
| void updateMouseStatus(); |
| |
| private: |
| bool event(QEvent *e) Q_DECL_OVERRIDE; |
| #ifndef QT_NO_CURSOR |
| bool setCurrentCursor(QCursor *cursor); |
| #endif |
| void draw(const QRectF &rect); |
| void update(const QRegion ®ion); |
| void createShaderPrograms(); |
| void createCursorTexture(uint *texture, const QImage &image); |
| void initCursorAtlas(); |
| |
| // current cursor information |
| struct Cursor { |
| Cursor() : texture(0), shape(Qt::BlankCursor), customCursorTexture(0), customCursorPending(false) { } |
| uint texture; // a texture from 'image' or the atlas |
| Qt::CursorShape shape; |
| QRectF textureRect; // normalized rect inside texture |
| QSize size; // size of the cursor |
| QPoint hotSpot; |
| QImage customCursorImage; |
| QPoint pos; // current cursor position |
| uint customCursorTexture; |
| bool customCursorPending; |
| } m_cursor; |
| |
| // cursor atlas information |
| struct CursorAtlas { |
| CursorAtlas() : cursorsPerRow(0), texture(0), cursorWidth(0), cursorHeight(0) { } |
| int cursorsPerRow; |
| uint texture; |
| int width, height; // width and height of the atlas |
| int cursorWidth, cursorHeight; // width and height of cursors inside the atlas |
| QList<QPoint> hotSpots; |
| QImage image; // valid until it's uploaded |
| } m_cursorAtlas; |
| |
| bool m_visible; |
| QEGLPlatformScreen *m_screen; |
| QOpenGLShaderProgram *m_program; |
| int m_vertexCoordEntry; |
| int m_textureCoordEntry; |
| int m_textureEntry; |
| QEGLPlatformCursorDeviceListener *m_deviceListener; |
| bool m_updateRequested; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QEGLPLATFORMCURSOR_H |