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39
40#ifndef QWAYLANDSUBSURFACE_H
41#define QWAYLANDSUBSURFACE_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtCore/qglobal.h>
55#include <QtCore/qmutex.h>
56
57#include <QtWaylandClient/qtwaylandclientglobal.h>
58#include <QtWaylandClient/private/qwayland-wayland.h>
59
60QT_BEGIN_NAMESPACE
61
62namespace QtWaylandClient {
63
64class QWaylandDisplay;
65class QWaylandWindow;
66
67class Q_WAYLAND_CLIENT_EXPORT QWaylandSubSurface : public QtWayland::wl_subsurface
68{
69public:
70 QWaylandSubSurface(QWaylandWindow *window, QWaylandWindow *parent, ::wl_subsurface *subsurface);
71 ~QWaylandSubSurface() override;
72
73 QWaylandWindow *window() const { return m_window; }
74 QWaylandWindow *parent() const { return m_parent; }
75
76 void setSync();
77 void setDeSync();
78 bool isSync() const { return m_synchronized; }
79 QMutex *syncMutex() { return &m_syncLock; }
80
81private:
82
83 // Intentionally hide public methods from ::wl_subsurface
84 // to keep track of the sync state
85 void set_sync();
86 void set_desync();
87 QWaylandWindow *m_window = nullptr;
88 QWaylandWindow *m_parent = nullptr;
89 bool m_synchronized = false;
90 QMutex m_syncLock;
91
92};
93
94QT_END_NAMESPACE
95
96}
97
98#endif // QWAYLANDSUBSURFACE_H
99

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