Differential D7481 Diff 30839 libtaskmanager/xwindowsystemeventbatcher.h

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libtaskmanager/xwindowsystemeventbatcher.h

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		1		/********************************************************************
		2		Copyright 2017 David Edmundson <davidedmundson@kde.org>
		3
		4		This library is free software; you can redistribute it and/or
		5		modify it under the terms of the GNU Lesser General Public
		6		License as published by the Free Software Foundation; either
		7		version 2.1 of the License, or (at your option) version 3, or any
		8		later version accepted by the membership of KDE e.V. (or its
		9		successor approved by the membership of KDE e.V.), which shall
		10		act as a proxy defined in Section 6 of version 3 of the license.
		11
		12		This library is distributed in the hope that it will be useful,
		13		but WITHOUT ANY WARRANTY; without even the implied warranty of
		14		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
		15		Lesser General Public License for more details.
		16
		17		You should have received a copy of the GNU Lesser General Public
		18		License along with this library. If not, see <http://www.gnu.org/licenses/>.
		19		*********************************************************************/
		20
		21		#ifndef XWIDOWSYSTEMEVENTBATCHER_H
		22		#define XWIDOWSYSTEMEVENTBATCHER_H
		23
		24		#include <QObject>
		25
		26		#include <KWindowSystem>
		27
		28		/*
		29		* Relay class for KWindowSystem events that batches updates
		30		*/
		31		class XWindowSystemEventBatcher : public QObject
		32		{
		33		Q_OBJECT
		34		public:
		35		XWindowSystemEventBatcher(QObject *parent);
		36		Q_SIGNALS:
		37		void windowAdded(WId window);
		38		void windowRemoved(WId window);
		39		void windowChanged(WId window, NET::Properties properties, NET::Properties2 properties2);
		40		protected:
		41		void timerEvent(QTimerEvent *event);
		42		private:
		43		struct AllProps {
		44		NET::Properties properties = 0;
		45		NET::Properties2 properties2 = 0;
		46		};
		47		QHash<WId, AllProps> m_cache;
		48		int m_timerId = 0;
		49		};
		50
		51		#endif