mirror of
https://github.com/RetroShare/RetroShare.git
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63b1758537
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@923 b45a01b8-16f6-495d-af2f-9b41ad6348cc
98 lines
2.2 KiB
C++
98 lines
2.2 KiB
C++
/*
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* idle_x11.cpp - detect desktop idle time
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* Copyright (C) 2003 Justin Karneges
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "idle.h"
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#ifndef HAVE_XSS
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IdlePlatform::IdlePlatform() {}
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IdlePlatform::~IdlePlatform() {}
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bool IdlePlatform::init() { return false; }
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int IdlePlatform::secondsIdle() { return 0; }
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#else
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#include <qapplication.h>
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#include <QDesktopWidget>
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#include <QX11Info>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/extensions/scrnsaver.h>
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static XErrorHandler old_handler = 0;
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extern "C" int xerrhandler(Display* dpy, XErrorEvent* err)
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{
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if(err->error_code == BadDrawable)
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return 0;
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return (*old_handler)(dpy, err);
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}
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class IdlePlatform::Private
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{
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public:
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Private() {}
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XScreenSaverInfo *ss_info;
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};
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IdlePlatform::IdlePlatform()
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{
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d = new Private;
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d->ss_info = 0;
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}
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IdlePlatform::~IdlePlatform()
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{
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if(d->ss_info)
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XFree(d->ss_info);
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if(old_handler) {
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XSetErrorHandler(old_handler);
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old_handler = 0;
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}
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delete d;
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}
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bool IdlePlatform::init()
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{
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if(d->ss_info)
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return true;
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old_handler = XSetErrorHandler(xerrhandler);
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int event_base, error_base;
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if(XScreenSaverQueryExtension(QApplication::desktop()->screen()->x11Display(), &event_base, &error_base)) {
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d->ss_info = XScreenSaverAllocInfo();
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return true;
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}
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return false;
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}
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int IdlePlatform::secondsIdle()
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{
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if(!d->ss_info)
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return 0;
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if(!XScreenSaverQueryInfo(QApplication::desktop()->screen()->x11Display(), QX11Info::appRootWindow(), d->ss_info))
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return 0;
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return d->ss_info->idle / 1000;
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}
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#endif
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