1// Copyright (C) 2019 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QWAYLANDCURSOR_H
5#define QWAYLANDCURSOR_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <qpa/qplatformcursor.h>
19#include <QtCore/QMap>
20#include <QtWaylandClient/qtwaylandclientglobal.h>
21#include <QtWaylandClient/private/qwayland-cursor-shape-v1.h>
22#include <QtCore/private/qglobal_p.h>
23
24#if QT_CONFIG(cursor)
25
26#include <memory>
27
28struct wl_cursor;
29struct wl_cursor_image;
30struct wl_cursor_theme;
31
32QT_BEGIN_NAMESPACE
33
34namespace QtWaylandClient {
35
36class QWaylandBuffer;
37class QWaylandDisplay;
38class QWaylandScreen;
39class QWaylandShm;
40
41class Q_WAYLANDCLIENT_EXPORT QWaylandCursorTheme
42{
43public:
44 static std::unique_ptr<QWaylandCursorTheme> create(QWaylandShm *shm, int size, const QString &themeName);
45 ~QWaylandCursorTheme();
46 ::wl_cursor *cursor(Qt::CursorShape shape);
47
48protected:
49 enum WaylandCursor {
50 ArrowCursor = Qt::ArrowCursor,
51 UpArrowCursor,
52 CrossCursor,
53 WaitCursor,
54 IBeamCursor,
55 SizeVerCursor,
56 SizeHorCursor,
57 SizeBDiagCursor,
58 SizeFDiagCursor,
59 SizeAllCursor,
60 BlankCursor,
61 SplitVCursor,
62 SplitHCursor,
63 PointingHandCursor,
64 ForbiddenCursor,
65 WhatsThisCursor,
66 BusyCursor,
67 OpenHandCursor,
68 ClosedHandCursor,
69 DragCopyCursor,
70 DragMoveCursor,
71 DragLinkCursor,
72 // The following are used for cursors that don't have equivalents in Qt
73 ResizeNorthCursor = Qt::CustomCursor + 1,
74 ResizeSouthCursor,
75 ResizeEastCursor,
76 ResizeWestCursor,
77 ResizeNorthWestCursor,
78 ResizeSouthEastCursor,
79 ResizeNorthEastCursor,
80 ResizeSouthWestCursor,
81
82 NumWaylandCursors
83 };
84
85 explicit QWaylandCursorTheme(struct ::wl_cursor_theme *theme) : m_theme(theme) {}
86 struct ::wl_cursor *requestCursor(WaylandCursor shape);
87 struct ::wl_cursor_theme *m_theme = nullptr;
88 wl_cursor *m_cursors[NumWaylandCursors] = {};
89};
90
91class Q_WAYLANDCLIENT_EXPORT QWaylandCursorShape : public QtWayland::wp_cursor_shape_device_v1
92{
93public:
94 QWaylandCursorShape(struct ::wp_cursor_shape_device_v1 *object);
95 ~QWaylandCursorShape();
96 void setShape(uint32_t serial, Qt::CursorShape shape);
97};
98
99class Q_WAYLANDCLIENT_EXPORT QWaylandCursor : public QPlatformCursor
100{
101public:
102 explicit QWaylandCursor(QWaylandDisplay *display);
103
104 void changeCursor(QCursor *cursor, QWindow *window) override;
105 void pointerEvent(const QMouseEvent &event) override;
106 QPoint pos() const override;
107 void setPos(const QPoint &pos) override;
108 void setPosFromEnterEvent(const QPoint &pos);
109
110 QSize size() const override;
111
112 static QSharedPointer<QWaylandBuffer> cursorBitmapBuffer(QWaylandDisplay *display, const QCursor *cursor);
113
114protected:
115 QWaylandDisplay *mDisplay = nullptr;
116 QPoint mLastPos;
117};
118
119}
120
121QT_END_NAMESPACE
122
123#endif // cursor
124#endif // QWAYLANDCURSOR_H
125

source code of qtwayland/src/client/qwaylandcursor_p.h