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inputbutton_group.h

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/*
        $Id: inputbutton_group.h,v 1.1 2001/03/06 15:09:10 mbn Exp $

        ------------------------------------------------------------------------
        ClanLib, the platform independent game SDK.

        This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
        version 2. See COPYING for details.

        For a total list of contributers see CREDITS.

        ------------------------------------------------------------------------
*/


#ifndef header_inputbutton_group
#define header_inputbutton_group

#include "../Input/inputbutton.h"

class CL_InputButton_Group : public CL_InputButton
//: CL_InputButton container class.
// Groups a set of buttons - if either of them are down, CL_InputButton_Groups is down.
{
        std::list<CL_InputButton*> buttons;
public:
        void add(CL_InputButton *add_button)
        {
                buttons.push_back(add_button);
        }
        //: Adds a input button to the group.

        void remove(CL_InputButton *remove_button)
        {
                buttons.remove(remove_button);
        }
        //: Removes a (previously added) button from the group.

        virtual bool is_pressed()
        {
                for (
                        std::list<CL_InputButton*>::iterator it = buttons.begin();
                        it != buttons.end();
                        it++)
                {
                        if ((*it)->is_pressed() == true) return true;
                }

                return false;
        }
        //: Returns true if just one of the buttons in the button group is down; 
        //: false otherwise.
};

#endif

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