Keyboard.hxx

// 
// Copyright (C) 2006 James M. Lawrence.  All rights reserved.
// 
// software: esve-1.0.3
// file: esve/ui/base/Keyboard.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_ui_base_Keyboard_hxx
#define esve_ui_base_Keyboard_hxx

namespace esve { namespace ui { namespace base {


class Keyboard
{
public:
    enum Key
    {
        // ...
        // ascii 0-127
        // ...

        NUM_ASCII_KEYS = 128,

        ENTER = NUM_ASCII_KEYS,
        ESCAPE,
        META_LEFT,
        META_RIGHT,
        ALT_LEFT,
        ALT_RIGHT,
        CTRL_LEFT,
        CTRL_RIGHT,
        SHIFT_LEFT,
        SHIFT_RIGHT,
        BACKSPACE,
        TAB,
        RIGHT_ARROW,
        LEFT_ARROW,
        UP_ARROW,
        DOWN_ARROW  // determines NUM_KEYS
    } ;

    static const unsigned int NUM_KEYS = DOWN_ARROW + 1 ;

    virtual bool pushed( Key a ) const = 0 ;

    virtual ~Keyboard() = 0 ;

protected:
    Keyboard() ;

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

}}} // namespace esve::ui::base

#endif

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