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113 lines
3.0 KiB
113 lines
3.0 KiB
#ifndef tdegtk_genericengine_h
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#define tdegtk_genericengine_h
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/*
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* this file was largely taken from the oxygen gtk engine
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* Copyright (c) 2010 Hugo Pereira Da Costa <hugo@oxygen-icons.org>
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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 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
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include "tdegtk-baseengine.h"
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#include "tdegtk-datamap.h"
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#include <gtk/gtk.h>
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//! forward declaration
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class Animations;
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//! associates widgets with some type of data
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template< typename T>
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class GenericEngine: public BaseEngine
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{
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public:
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//! constructor
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GenericEngine( Animations* widget ):
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BaseEngine( widget )
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{}
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//! destructor
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virtual ~GenericEngine( void )
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{}
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//! register widget
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virtual bool registerWidget( GtkWidget* widget )
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{
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if( _data.contains( widget ) ) return false;
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if( enabled() )
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{
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T& data( _data.registerWidget( widget ) );
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data.connect( widget );
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} else _data.registerWidget( widget );
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BaseEngine::registerWidget( widget );
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return true;
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}
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//! unregister widget
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virtual void unregisterWidget( GtkWidget* widget )
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{
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if( !_data.contains( widget ) ) return;
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_data.value( widget ).disconnect( widget );
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_data.erase( widget );
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}
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//! enabled state
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/*! returns true if changed */
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inline virtual bool setEnabled( bool value );
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//! true if widget is included
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virtual bool contains( GtkWidget* widget )
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{ return _data.contains( widget ); }
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protected:
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//! return refence to data
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virtual DataMap<T>& data( void )
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{ return _data; }
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//! return refence to data
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virtual const DataMap<T>& data( void ) const
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{ return _data; }
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private:
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//! map widgets to data
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DataMap<T> _data;
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};
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//________________________________________________________________________
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template< typename T> bool GenericEngine<T>::setEnabled( bool value )
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{
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if( enabled() == value ) return false;
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BaseEngine::setEnabled( value );
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if( enabled() ) _data.connectAll();
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else _data.disconnectAll();
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return true;
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}
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#endif
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