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131 lines
3.3 KiB
131 lines
3.3 KiB
/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2003 by Andreas Zehender
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email : zehender@kde.org
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**************************************************************************
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**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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**************************************************************************/
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#ifndef PMVIEWBASE_H
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#define PMVIEWBASE_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <tqwidget.h>
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#include <tqstring.h>
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class TQDomElement;
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/**
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* This class stores the view configuration for one view.
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*
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* Reimplement this class for each view type that has to store
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* additional values.
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*
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* Created, loaded from and saved to the xml config by the corresponding
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* @ref PMViewTypeFactory factory class.
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*/
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class PMViewOptions
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{
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public:
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/**
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* Returns a deep copy
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*/
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virtual PMViewOptions* copy( ) const = 0;
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/**
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* Returns the identifier for the view type. Has to be equal
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* to @ref PMViewBase::viewType for the corresponding view type.
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*/
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virtual TQString viewType( ) const = 0;
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/**
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* Loads the data from the xml element
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*/
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virtual void loadData( TQDomElement& e ) = 0;
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/**
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* Saves the data from to xml element
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*/
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virtual void saveData( TQDomElement& e ) = 0;
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};
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/**
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* Base class for configuration widgets for view types
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* for the layout settings dialog page
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*/
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class PMViewOptionsWidget : public TQWidget
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{
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Q_OBJECT
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public:
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/**
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* Default constructor
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*/
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PMViewOptionsWidget( TQWidget* parent, const char* name = 0 )
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: TQWidget( parent, name )
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{
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}
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signals:
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/**
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* Emitted when the view type description has changed
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*/
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void viewTypeDescriptionChanged( );
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};
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/**
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* Interface for views.
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*
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* Each view type has to implement this interface. Handles the
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* config loading and saving
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*/
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class PMViewBase : public TQWidget
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{
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Q_OBJECT
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public:
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/**
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* Default constructor
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*/
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PMViewBase( TQWidget* parent, const char* name = 0, WFlags f = 0 )
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: TQWidget( parent, name, f )
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{
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}
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/**
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* Returns the identifier for the view type. Has to be unique
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* for all view types.
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*/
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virtual TQString viewType( ) const = 0;
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/**
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* Returns a i18n'ed description
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*/
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virtual TQString description( ) const = 0;
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/**
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* Restores the view configuration
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*
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* Reimplement this function if the view type has to
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* restore additional values.
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* @see PMViewOptions
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*/
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virtual void restoreViewConfig( PMViewOptions* ) { }
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/**
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* Saves the view configuration
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*
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* Reimplement this function if the view type has to
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* restore additional values.
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* @see PMViewOptions
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*/
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virtual void saveViewConfig( PMViewOptions* ) const { }
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};
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#endif
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