1 files changed, 75 insertions, 0 deletions
diff --git a/src/gui/platform/unix/qtx11extras_p.h b/src/gui/platform/unix/qtx11extras_p.h
new file mode 100644
index 0000000000..253162f83a
--- /dev/null
+++ b/src/gui/platform/unix/qtx11extras_p.h
@@ -0,0 +1,75 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QTX11EXTRAS_P_H
+#define QTX11EXTRAS_P_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 <QtGui/qtguiglobal.h>
+#include <QtCore/private/qglobal_p.h>
+
+#include <xcb/xcb.h>
+
+typedef struct _XDisplay Display;
+
+QT_BEGIN_NAMESPACE
+
+class Q_GUI_EXPORT QX11Info
+{
+public:
+    enum PeekOption {
+        PeekDefault = 0,
+        PeekFromCachedIndex = 1
+    };
+    Q_DECLARE_FLAGS(PeekOptions, PeekOption)
+
+    static bool isPlatformX11();
+
+    static int appDpiX(int screen=-1);
+    static int appDpiY(int screen=-1);
+
+    static quint32 appRootWindow(int screen=-1);
+    static int appScreen();
+
+    static quint32 appTime();
+    static quint32 appUserTime();
+
+    static void setAppTime(quint32 time);
+    static void setAppUserTime(quint32 time);
+
+    static quint32 getTimestamp();
+
+    static QByteArray nextStartupId();
+    static void setNextStartupId(const QByteArray &id);
+
+    static Display *display();
+    static xcb_connection_t *connection();
+
+    static bool isCompositingManagerRunning(int screen = -1);
+
+    static qint32 generatePeekerId();
+    static bool removePeekerId(qint32 peekerId);
+    typedef bool (*PeekerCallback)(xcb_generic_event_t *event, void *peekerData);
+    static bool peekEventQueue(PeekerCallback peeker, void *peekerData = nullptr,
+                               PeekOptions option = PeekDefault, qint32 peekerId = -1);
+
+private:
+    QX11Info();
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QX11Info::PeekOptions)
+
+QT_END_NAMESPACE
+
+#endif // QTX11EXTRAS_P_H
+