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/*
* idle_x11.cpp - detect desktop idle time
* Copyright (C) 2003 Justin Karneges
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef Q_OS_MACX
#ifndef COMPILE_ON_WINDOWS
#include"idle.h"
#ifndef COMPILE_XSS_SUPPORT
IdlePlatform::IdlePlatform() {}
IdlePlatform::~IdlePlatform() {}
bool IdlePlatform::init() { return false; }
int IdlePlatform::secondsIdle() { return 0; }
#else
#include<qapplication.h>
#include<X11/Xlib.h>
#include<X11/Xutil.h>
#include<X11/extensions/scrnsaver.h>
#ifdef COMPILE_USE_QT4
#include <qdesktopwidget.h>
#endif
static XErrorHandler old_handler = 0;
extern "C" int xerrhandler(Display* dpy, XErrorEvent* err)
{
if(err->error_code == BadDrawable)
return 0;
return (*old_handler)(dpy, err);
}
class IdlePlatform::Private
{
public:
Private() {}
XScreenSaverInfo *ss_info;
};
IdlePlatform::IdlePlatform()
{
d = new Private;
d->ss_info = 0;
}
IdlePlatform::~IdlePlatform()
{
if(d->ss_info)
XFree(d->ss_info);
if(old_handler) {
XSetErrorHandler(old_handler);
old_handler = 0;
}
delete d;
}
bool IdlePlatform::init()
{
if(d->ss_info)
return true;
old_handler = XSetErrorHandler(xerrhandler);
int event_base, error_base;
if(XScreenSaverQueryExtension(QApplication::desktop()->screen()->x11Display(), &event_base, &error_base)) {
d->ss_info = XScreenSaverAllocInfo();
return true;
}
return false;
}
#ifdef COMPILE_USE_QT4
#include <qx11info_x11.h>
#endif
int IdlePlatform::secondsIdle()
{
if(!d->ss_info)
return 0;
#ifdef COMPILE_USE_QT4
if(!XScreenSaverQueryInfo(QApplication::desktop()->screen()->x11Display(), QX11Info::appRootWindow(), d->ss_info))
#else
if(!XScreenSaverQueryInfo(QApplication::desktop()->screen()->x11Display(), qt_xrootwin(), d->ss_info))
#endif
return 0;
return d->ss_info->idle / 1000;
}
#endif
#endif
#endif
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