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+// -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8; -*-
+/* This file is part of the KDE project
+ Copyright (C) 2003 by Lubos Lunak <l.lunak@kde.org>
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+#ifndef _CLIPBOARDPOLL_H_
+#define _CLIPBOARDPOLL_H_
+
+#include <qwidget.h>
+#include <qtimer.h>
+#include <X11/Xlib.h>
+#include <fixx11h.h>
+
+class ClipboardPoll
+ : public QWidget
+ {
+ Q_OBJECT
+ public:
+ ClipboardPoll( QWidget* parent );
+ signals:
+ void clipboardChanged( bool selectionMode );
+ protected:
+ virtual bool x11Event( XEvent* );
+ private slots:
+ void timeout();
+ void qtSelectionChanged();
+ void qtClipboardChanged();
+ private:
+ struct SelectionData
+ {
+ Atom atom;
+ Atom sentinel_atom;
+ Atom timestamp_atom;
+ Window last_owner;
+ bool owner_is_qt;
+ Time last_change;
+ bool waiting_for_timestamp;
+ Time waiting_x_time;
+ };
+ void updateQtOwnership( SelectionData& data );
+ bool checkTimestamp( SelectionData& data );
+ bool changedTimestamp( SelectionData& data, const XEvent& e );
+ void initPolling();
+ QTimer timer;
+ SelectionData selection;
+ SelectionData clipboard;
+ Atom xa_clipboard;
+ Atom xa_timestamp;
+ int xfixes_event_base;
+ };
+
+#endif