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84 lines
2.1 KiB
84 lines
2.1 KiB
#ifndef tdegtk_baseengine_h
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#define tdegtk_baseengine_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 <gtk/gtk.h>
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#include <vector>
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//! forward declaration
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class Animations;
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//! base class for all engines
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/*! engines map pointers to GtkWidget to some data, needed for animations */
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class BaseEngine
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{
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public:
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//! constructor
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BaseEngine( Animations* parent ):
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_parent( parent ),
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_enabled( true )
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{}
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virtual ~BaseEngine()
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{}
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//! register widget
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virtual bool registerWidget( GtkWidget* widget );
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//! unregister widget
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virtual void unregisterWidget( GtkWidget* ) = 0;
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//! engine list
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typedef std::vector< BaseEngine* > List;
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//! enable state
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/*! returns true if changed */
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virtual bool setEnabled( bool value )
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{
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if( _enabled == value ) return false;
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_enabled = value;
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return true;
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}
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//! enable state
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bool enabled( void ) const
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{ return _enabled; }
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protected:
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//! returns parent
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virtual Animations& parent( void ) const
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{ return *_parent; }
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private:
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//! parent
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Animations* _parent;
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//! enable flag
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bool _enabled;
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};
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#endif
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