1 files changed, 58 insertions, 0 deletions
diff --git a/src/quicktestutils/qml/platformquirks_p.h b/src/quicktestutils/qml/platformquirks_p.h
new file mode 100644
index 0000000000..afcadeacee
--- /dev/null
+++ b/src/quicktestutils/qml/platformquirks_p.h
@@ -0,0 +1,58 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#ifndef PLATFORMQUIRKS_P_H
+#define PLATFORMQUIRKS_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 <private/qglobal_p.h>
+
+#ifdef Q_OS_MACOS
+#include <Carbon/Carbon.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+struct PlatformQuirks
+{
+    static inline bool isClipboardAvailable()
+    {
+#if !QT_CONFIG(clipboard)
+        return false;
+#elif defined(Q_OS_MACOS)
+        PasteboardRef pasteboard;
+        OSStatus status = PasteboardCreate(0, &pasteboard);
+        if (status == noErr)
+            CFRelease(pasteboard);
+        return status == noErr;
+#else
+        if (QGuiApplication::platformName() != QLatin1StringView("xcb"))
+            return true;
+
+        // On XCB a clipboard may be dysfunctional due to platform restrictions
+        QClipboard *clipBoard = QGuiApplication::clipboard();
+        if (!clipBoard)
+            return false;
+        const QString &oldText = clipBoard->text();
+        QScopeGuard guard([&](){ clipBoard->setText(oldText); });
+        const QLatin1StringView prefix("Something to prefix ");
+        const QString newText = prefix + oldText;
+        clipBoard->setText(newText);
+        return QTest::qWaitFor([&](){ return clipBoard->text() == newText; });
+#endif
+    }
+};
+
+QT_END_NAMESPACE
+
+#endif