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/*
 *  Aquamarine the KDE window decorator
 *
 *  Copyright (c) 2006 Dennis Kasprzyk <onestone@beryl-project.org>
 *  Copyright (c) 2006 Volker Krause <vkrause@kde.org>
 *  Copyright (c) 2006 David Reveman <davidr@novell.com>
 *
 *  Uses code of:
 *      KWin window manager (www.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; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#ifndef _DECORATOR_H
#define _DECORATOR_H

#include <kapplication.h>

#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/cursorfont.h>

#include <qtimer.h>

#include <fixx11h.h>
#include <kconfig.h>
#include <kdecoration_plugins_p.h>
#include <kdecoration_p.h>
#include <netwm.h>

#include <beryl-decoration.h>

#include "window.h"
#include "KWinInterface.h"

#define ROOT_OFF_X 8192
#define ROOT_OFF_Y 8192

#define C(name) { 0, XC_ ## name }

struct _cursor {
    Cursor       cursor;
    unsigned int shape;
};

extern struct _cursor cursors[3][3];

class KConfig;
class KWinModule;

namespace Aquamarine
{
    class Options;

	class PluginManager: public KDecorationPlugins
	{
		public:
			PluginManager (KConfig *config);
			virtual bool provides (Requirement)
			{
				return false;
			}
    };


	class Decorator: public KApplication, public KWinInterface
	{
		Q_OBJECT public:

			Decorator (void);
			~Decorator (void);

			static NETRootInfo *rootInfo (void)
			{
				return mRootInfo;
			}
			static PluginManager *pluginManager (void)
			{
				return mPlugins;
			}
			static Aquamarine::Options *options (void)
			{
				return mOptions;
			}
			static WId activeId (void)
			{
				return mActiveId;
			}
			static decor_shadow_options_t *shadowOptions (void)
			{
				return &mShadowOptions;
			}
			static decor_shadow_t *defaultWindowShadow (decor_context_t *context)
			{
				if (!mDefaultShadow)
				return NULL;

				*context = mDefaultContext;
				return mDefaultShadow;
			}
			static void sendClientMessage (WId  eventWid,
							WId  wid,
							Atom atom,
							Atom value,
							long data1 = 0,
							long data2 = 0,
							long data3 = 0);
			static void updateDefaultShadow (Aquamarine::Window *w);

			bool enableDecorations (Time timestamp, int  damageEvent);
			bool x11EventFilter (XEvent *xevent);

			static int onViewport (QPoint pos);
			static QSize viewports ();
			static void moveToViewport (WId id, int vp);

			bool isReady ()
			{
				return mReady;
			}

			bool restart () const
			{
				return mRestart;
			}

		public slots:

			void reconfigure (void);

		signals:
        	void desktopGeometryChanged();

		private:

			WId fetchFrame (WId window);
			void updateShadow (void);
			void updateAllShadowOptions (void);
			void updateDesktopGeometry ();

		private slots:

			void handleWindowAdded (WId id);
			void handleWindowRemoved (WId id);
			void handleActiveWindowChanged (WId id);
			void handleWindowChanged (WId		      id,
						const unsigned long *properties);
			void processDamage (void);

		private:

			static PluginManager *mPlugins;
			static Aquamarine::Options *mOptions;
			static decor_context_t mDefaultContext;
			static decor_shadow_t *mDefaultShadow;
			static decor_shadow_t *mNoBorderShadow;
			static decor_shadow_options_t mShadowOptions;
			static NETRootInfo *mRootInfo;
			static WId mActiveId;

			Aquamarine::Window *mDecorNormal;
			Aquamarine::Window *mDecorActive;
			QMap <WId, Aquamarine::Window *>mClients;
			QMap <WId, Aquamarine::Window *>mFrames;
			QMap <WId, Aquamarine::Window *>mWindows;
			KConfig *mConfig;
			Time mDmSnTimestamp;
			int mDamageEvent;
			QTimer mIdleTimer;
			KWinModule *mKWinModule;
			QWidget *mCompositeWindow;

			static QSize mDesktop;
			static QPoint mViewport;
			static QSize mRootSize;

			WId mActiveWM;
			bool mRestart;
			bool mReady;

    };
}

#endif