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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QX11INFO_X11_H
#define QX11INFO_X11_H
#include <QtCore/qnamespace.h>
#include "QtX11Extras/qtx11extrasglobal.h"
#include <xcb/xcb.h>
typedef struct _XDisplay Display;
QT_BEGIN_NAMESPACE
class Q_X11EXTRAS_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);
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
static unsigned long appRootWindow(int screen=-1);
#else
static quint32 appRootWindow(int screen=-1);
#endif
static int appScreen();
static unsigned long appTime();
static unsigned long appUserTime();
static void setAppTime(unsigned long time);
static void setAppUserTime(unsigned long time);
static unsigned long 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 // QX11INFO_X11_H
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