Valuator.hxx

// 
// Copyright (C) 2006 James M. Lawrence.  All rights reserved.
// 
// software: esve-1.0.3
// file: esve/components/dimn/Valuator.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_dimn_Valuator_hxx
#define esve_components_dimn_Valuator_hxx

#include <esve/ui/extra/Widget.hxx>
#include <esve/types/complex.hxx>

namespace esve { namespace components { namespace dimn {


template< typename T_Value >
class Valuator
    : public ui::extra::Widget
{
public:
    virtual T_Value value() const = 0 ;

    virtual Valuator & value( const T_Value & ) = 0 ;

    virtual Valuator & step( const T_Value & ) = 0 ;

    virtual
    Valuator &
    range( const T_Value & min_corner,
           const T_Value & max_corner ) = 0 ;

protected:
    Valuator() { }

    // creator owns it
    ~Valuator() { }

private:
    Valuator( const Valuator & ) ;
    Valuator & operator=( const Valuator & ) ;
} ;

template<>
class Valuator<types::real>
    : public ui::extra::Widget
{
public:
    virtual types::real value() const = 0 ;

    virtual Valuator & value( types::real ) = 0 ;

    virtual Valuator & step( types::real ) = 0 ;

    virtual
    Valuator &
    range( types::real min, types::real max ) = 0 ;

protected:
    Valuator() { }

    // creator owns it
    ~Valuator() { }

private:
    Valuator( const Valuator & ) ;
    Valuator & operator=( const Valuator & ) ;
} ;

template<>
class Valuator<types::complex>
    : public ui::extra::Widget
{
public:
    virtual types::complex value() const = 0 ;

    virtual Valuator & value( const types::complex & ) = 0 ;
    virtual Valuator & value( types::real , types::real ) = 0 ;

    virtual Valuator & step( const types::complex & ) = 0 ;
    virtual Valuator & step( types::real, types::real ) = 0 ;

    virtual
    Valuator &
    range( const types::complex & lower_left_corner,
           const types::complex & upper_right_corner ) = 0 ;

protected:
    Valuator() { }

    // creator owns it
    ~Valuator() { }

private:
    Valuator( const Valuator & ) ;
    Valuator & operator=( const Valuator & ) ;
} ;

}}} // namespace esve::components::dimn

#endif

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