add an xcb based clipboard implementation

Copying from the app to somewhere else works
fine, but pasting into the app is still broken.

1 files changed, 102 insertions, 0 deletions

diff --git a/src/plugins/platforms/xcb/qxcbclipboard.h b/src/plugins/platforms/xcb/qxcbclipboard.h
new file mode 100644
index 0000000000..57900f4b54
--- /dev/null
+++ b/src/plugins/platforms/xcb/qxcbclipboard.h
@@ -0,0 +1,102 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QXCBCLIPBOARD_H
+#define QXCBCLIPBOARD_H
+
+#include <QPlatformClipboard>
+
+#include <xcb/xcb.h>
+
+class QXcbConnection;
+class QXcbScreen;
+
+class QXcbClipboard : public QPlatformClipboard
+{
+public:
+    QXcbClipboard(QXcbConnection *connection);
+
+    QMimeData *mimeData(QClipboard::Mode mode);
+    void setMimeData(QMimeData *data, QClipboard::Mode mode);
+
+    bool supportsMode(QClipboard::Mode mode) const;
+
+    QXcbConnection *connection() const { return m_connection; }
+    QXcbScreen *screen() const { return m_screen; }
+
+    xcb_window_t requestor() const;
+    void setRequestor(xcb_window_t window);
+
+    xcb_window_t owner() const;
+
+    void handleSelectionRequest(xcb_selection_request_event_t *event);
+
+    bool clipboardReadProperty(xcb_window_t win, xcb_atom_t property, bool deleteProperty, QByteArray *buffer, int *size, xcb_atom_t *type, int *format) const;
+    QByteArray clipboardReadIncrementalProperty(xcb_window_t win, xcb_atom_t property, int nbytes, bool nullterm);
+
+    QByteArray getDataInFormat(xcb_atom_t modeAtom, xcb_atom_t fmtatom);
+
+    xcb_window_t getSelectionOwner(xcb_atom_t atom) const;
+
+private:
+    void setOwner(xcb_window_t window);
+
+
+    xcb_atom_t sendTargetsSelection(QMimeData *d, xcb_window_t window, xcb_atom_t property);
+    xcb_atom_t sendSelection(QMimeData *d, xcb_atom_t target, xcb_window_t window, xcb_atom_t property);
+
+    QXcbConnection *m_connection;
+    QXcbScreen *m_screen;
+
+    QMimeData *m_xClipboard;
+    QMimeData *m_clientClipboard;
+
+    QMimeData *m_xSelection;
+    QMimeData *m_clientSelection;
+
+    xcb_window_t m_requestor;
+    xcb_window_t m_owner;
+
+    static const int clipboard_timeout;
+
+};
+
+#endif // QXCBCLIPBOARD_H