/**********************************************************************
** Copyright (C) 2000 Trolltech AS.  All rights reserved.
**
** This file is part of TQt Designer.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#ifndef METADATABASE_H
#define METADATABASE_H

#include <tqvariant.h>
#include <tqstring.h>
#include <tqstringlist.h>
#include <tqmap.h>
#include <tqptrlist.h>
#include <tqsizepolicy.h>
#include <tqsize.h>
#include <tqwidgetlist.h>
#include <tqcursor.h>

#include "pixmapchooser.h"

class TQObject;
class TQPixmap;

class MetaDataBase
{
public:
    struct Connection
    {
	TQObject *sender, *receiver;
	TQCString signal, slot;
	bool operator==( const Connection &c ) const {
	    return sender == c.sender && receiver == c.receiver &&
		   signal == c.signal && slot == c.slot ;
	}
    };

    struct Slot
    {
	TQString returnType;
	TQCString slot;
	TQString specifier;
	TQString access;
	TQString language;
	bool operator==( const Slot &s ) const {
	    return ( returnType == s.returnType &&
		     slot == s.slot &&
		     access == s.access &&
		     specifier == s.specifier &&
		     language == s.language
		     );
	}
    };

    struct Property
    {
	TQCString property;
	TQString type;
	bool operator==( const Property &p ) const {
	    return property == p.property &&
		 type == p.type;
	}
    };

    struct CustomWidget
    {
	CustomWidget();
	CustomWidget( const CustomWidget &w );
	~CustomWidget() { delete pixmap; } // inlined to work around 2.7.2.3 bug
	bool operator==( const CustomWidget &w ) const;
	CustomWidget &operator=( const CustomWidget &w );

	bool hasSignal( const TQCString &signal ) const;
	bool hasSlot( const TQCString &slot ) const;
	bool hasProperty( const TQCString &prop ) const;

	enum IncludePolicy { Global, Local };
	TQString className;
	TQString includeFile;
	IncludePolicy includePolicy;
	TQSize sizeHint;
	TQSizePolicy sizePolicy;
	TQPixmap *pixmap;
	TQValueList<TQCString> lstSignals;
	TQValueList<Slot> lstSlots;
	TQValueList<Property> lstProperties;
	int id;
	bool isContainer;
    };

    struct Include
    {
	Include() : header(), location(), implDecl( "in implementation" ) {}
	TQString header;
	TQString location;
	bool operator==( const Include &i ) const {
	    return header == i.header && location == i.location;
	}
	TQString implDecl;
    };

    struct MetaInfo
    {
      TQString license;
      TQString version;
      TQString comment;
      TQString author;
    };

    struct EventDescription
    {
	TQString name;
	TQStringList args;
    };

    MetaDataBase();
    static void clearDataBase();

    static void addEntry( TQObject *o );
    static void removeEntry( TQObject *o );
    static void setPropertyChanged( TQObject *o, const TQString &property, bool changed );
    static bool isPropertyChanged( TQObject *o, const TQString &property );
    static void setPropertyComment( TQObject *o, const TQString &property, const TQString &comment );
    static TQString propertyComment( TQObject *o, const TQString &property );
    static TQStringList changedProperties( TQObject *o );

    static void setFakeProperty( TQObject *o, const TQString &property, const TQVariant& value );
    static TQVariant fakeProperty( TQObject * o, const TQString &property );
    static TQStringVariantMap* fakeProperties( TQObject* o );

    static void setSpacing( TQObject *o, int spacing );
    static int spacing( TQObject *o );
    static void setMargin( TQObject *o, int margin );
    static int margin( TQObject *o );

    static void addConnection( TQObject *o, TQObject *sender, const TQCString &signal,
			       TQObject *receiver, const TQCString &slot );
    static void removeConnection( TQObject *o, TQObject *sender, const TQCString &signal,
				  TQObject *receiver, const TQCString &slot );
    static TQValueList<Connection> connections( TQObject *o );
    static TQValueList<Connection> connections( TQObject *o, TQObject *sender, TQObject *receiver );
    static TQValueList<Connection> connections( TQObject *o, TQObject *object );
    static void doConnections( TQObject *o );

    static void addSlot( TQObject *o, const TQCString &slot, const TQString& specifier, const TQString &access, const TQString &language, const TQString &returnType );
    static void removeSlot( TQObject *o, const TQCString &slot, const TQString& specifier, const TQString &access, const TQString &language, const TQString &returnType );
    static void removeSlot( TQObject *o, const TQString &slot );
    static TQValueList<Slot> slotList( TQObject *o );
    static bool isSlotUsed( TQObject *o, const TQCString &slot );
    static bool hasSlot( TQObject *o, const TQCString &slot, bool onlyCustom = false );
    static void changeSlot( TQObject *o, const TQCString &slot, const TQCString &newName );
    static void changeSlotAttributes( TQObject *o, const TQCString &slot,
				      const TQString& specifier, const TQString &access,
				      const TQString &language, const TQString &returnType );
    static TQString languageOfSlot( TQObject *o, const TQCString &slot );
    static void setSlotList( TQObject *o, const TQValueList<Slot> &slotList );

    static bool addCustomWidget( CustomWidget *w );
    static void removeCustomWidget( CustomWidget *w );
    static TQPtrList<CustomWidget> *customWidgets();
    static CustomWidget *customWidget( int id );
    static bool isWidgetNameUsed( CustomWidget *w );
    static bool hasCustomWidget( const TQString &className );

    static void setTabOrder( TQWidget *w, const TQWidgetList &order );
    static TQWidgetList tabOrder( TQWidget *w );

    static void setIncludes( TQObject *o, const TQValueList<Include> &incs );
    static TQValueList<Include> includes( TQObject *o );

    static void setForwards( TQObject *o, const TQStringList &fwds );
    static TQStringList forwards( TQObject *o );

    static void setSignalList( TQObject *o, const TQStringList &sigs );
    static TQStringList signalList( TQObject *o );

    static void setMetaInfo( TQObject *o, MetaInfo mi );
    static MetaInfo metaInfo( TQObject *o );

    static void setCursor( TQWidget *w, const TQCursor &c );
    static TQCursor cursor( TQWidget *w );

    static void setPixmapArgument( TQObject *o, int pixmap, const TQString &arg );
    static TQString pixmapArgument( TQObject *o, int pixmap );
    static void clearPixmapArguments( TQObject *o );

    static void setPixmapKey( TQObject *o, int pixmap, const TQString &arg );
    static TQString pixmapKey( TQObject *o, int pixmap );
    static void clearPixmapKeys( TQObject *o );

    static void setColumnFields( TQObject *o, const TQMap<TQString, TQString> &columnFields );
    static TQMap<TQString, TQString> columnFields( TQObject *o );

    static TQString normalizeSlot( const TQString &slot );

    static void clear( TQObject *o );

    static void setExportMacro( TQObject *o, const TQString &macro );
    static TQString exportMacro( TQObject *o );

    static bool hasObject( TQObject *o );

};

#endif
