| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QEGLFSKMSGBMCURSOR_H |
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| 5 | #define QEGLFSKMSGBMCURSOR_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <qpa/qplatformcursor.h> |
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| 19 | #include <QtCore/QList> |
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| 20 | #include <QtGui/QImage> |
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| 21 | #include <QtGui/private/qinputdevicemanager_p.h> |
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| 22 | |
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| 23 | #include <gbm.h> |
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| 24 | |
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| 25 | QT_BEGIN_NAMESPACE |
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| 26 | |
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| 27 | class QEglFSKmsGbmScreen; |
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| 28 | class QEglFSKmsGbmCursor; |
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| 29 | |
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| 30 | class QEglFSKmsGbmCursorDeviceListener : public QObject |
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| 31 | { |
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| 32 | Q_OBJECT |
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| 33 | |
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| 34 | public: |
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| 35 | QEglFSKmsGbmCursorDeviceListener(QEglFSKmsGbmCursor *cursor) : m_cursor(cursor) { } |
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| 36 | bool hasMouse() const; |
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| 37 | |
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| 38 | public slots: |
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| 39 | void onDeviceListChanged(QInputDeviceManager::DeviceType type); |
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| 40 | |
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| 41 | private: |
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| 42 | QEglFSKmsGbmCursor *m_cursor; |
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| 43 | }; |
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| 44 | |
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| 45 | class QEglFSKmsGbmCursor : public QPlatformCursor |
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| 46 | { |
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| 47 | Q_OBJECT |
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| 48 | |
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| 49 | public: |
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| 50 | QEglFSKmsGbmCursor(QEglFSKmsGbmScreen *screen); |
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| 51 | ~QEglFSKmsGbmCursor(); |
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| 52 | |
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| 53 | // input methods |
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| 54 | void pointerEvent(const QMouseEvent & event) override; |
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| 55 | #ifndef QT_NO_CURSOR |
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| 56 | void changeCursor(QCursor * windowCursor, QWindow * window) override; |
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| 57 | #endif |
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| 58 | QPoint pos() const override; |
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| 59 | void setPos(const QPoint &pos) override; |
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| 60 | |
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| 61 | void updateMouseStatus(); |
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| 62 | |
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| 63 | void reevaluateVisibilityForScreens() { setPos(pos()); } |
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| 64 | |
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| 65 | private: |
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| 66 | void initCursorAtlas(); |
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| 67 | |
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| 68 | enum CursorState { |
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| 69 | CursorDisabled, |
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| 70 | CursorPendingHidden, |
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| 71 | CursorHidden, |
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| 72 | CursorPendingVisible, |
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| 73 | CursorVisible |
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| 74 | }; |
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| 75 | |
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| 76 | QEglFSKmsGbmScreen *m_screen; |
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| 77 | QSize m_cursorSize; |
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| 78 | gbm_bo *m_bo; |
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| 79 | QPoint m_pos; |
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| 80 | QPlatformCursorImage m_cursorImage; |
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| 81 | CursorState m_state; |
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| 82 | QEglFSKmsGbmCursorDeviceListener *m_deviceListener; |
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| 83 | |
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| 84 | // cursor atlas information |
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| 85 | struct CursorAtlas { |
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| 86 | CursorAtlas() : cursorsPerRow(0), cursorWidth(0), cursorHeight(0) { } |
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| 87 | int cursorsPerRow; |
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| 88 | int width, height; // width and height of the atlas |
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| 89 | int cursorWidth, cursorHeight; // width and height of cursors inside the atlas |
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| 90 | QList<QPoint> hotSpots; |
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| 91 | QImage image; |
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| 92 | } m_cursorAtlas; |
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| 93 | }; |
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| 94 | |
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| 95 | QT_END_NAMESPACE |
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| 96 | |
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| 97 | #endif // QEGLFSKMSGBMCURSOR_H |
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| 98 | |
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