Keyboard_Rotation_Handler.hxx

// 
// Copyright (C) 2006 James M. Lawrence.  All rights reserved.
// 
// software: esve-1.0.3
// file: esve/components/dim3/Keyboard_Rotation_Handler.hxx
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 
// 2. The origin of this software must not be misrepresented; you must
//    not claim that you wrote the original software.  If you use this
//    software in a product, an acknowledgment in the product 
//    documentation would be appreciated but is not required.
// 
// 3. Altered source versions must be plainly marked as such, and must
//    not be misrepresented as being the original software.
// 
// 4. The name of the author may not be used to endorse or promote
//    products derived from this software without specific prior written
//    permission.
// 
// THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY,
// AND WITH NO CLAIM AS TO ITS SUITABILITY FOR ANY PURPOSE.  IN NO EVENT
// SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM WHATSOEVER MADE IN CONNECTION
// TO THIS SOFTWARE.
// 

#ifndef esve_components_dim3_Keyboard_Rotation_Handler_hxx
#define esve_components_dim3_Keyboard_Rotation_Handler_hxx

#include <esve/components/dimn/Motion_Handler.hxx>
#include <esve/ui/base/Keyboard_Handler.hxx>
#include <esve/types/real.hxx>

namespace esve { namespace engine { namespace dim3 { class Transform ; } } }

namespace esve { namespace components { namespace dim3 {


class Keyboard_Rotation_Handler
    : public components::dimn::Motion_Handler,
      public ui::base::Keyboard_Handler
{
public:
    explicit
    Keyboard_Rotation_Handler( engine::dim3::Transform & ) ;

    types::real angular_velocity() const
    {
        return m_angular_velocity ;
    }

    void angular_velocity( types::real a )
    {
        m_angular_velocity = a ;
    }

    ~Keyboard_Rotation_Handler() ;

protected:
    void update() ;
    void update( double dt ) ;

    bool handle_check_awake( bool currently_awake ) ;
    bool handle_key_push( Key, const Keyboard & ) ;
    bool handle_key_release( Key, const Keyboard & ) ;

private:
    typedef kernel::Wake_State_Handler m_Wake_State_Handler_Base ;
    typedef ui::base::Keyboard_Handler m_Keyboard_Handler_Base ;

    Keyboard_Rotation_Handler( const Keyboard_Rotation_Handler & ) ;
    Keyboard_Rotation_Handler &
    operator=( const Keyboard_Rotation_Handler & ) ;

    engine::dim3::Transform & m_transform ;
    types::real m_angular_velocity ;
} ;

}}} // namespace esve::components::dim3

#endif

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