kbdlayouts.h

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/*
  Created by Fabrizio Di Vittorio (fdivitto2013@gmail.com) - <http://www.fabgl.com>
  Copyright (c) 2019-2022 Fabrizio Di Vittorio.
  All rights reserved.
 
 
* Please contact fdivitto2013@gmail.com if you need a commercial license.
 
 
* This library and related software is available under GPL v3.
 
  FabGL is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  FabGL is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with FabGL.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 
#pragma once
 
 
 
#include <stdint.h>
 
#include "fabutils.h"
 
 
 
 
namespace fabgl {
 
 
 
struct VirtualKeyDef {
  uint8_t      scancode;    
  VirtualKey   virtualKey;  
};
 
 
struct AltVirtualKeyDef {
  VirtualKey reqVirtualKey; 
  struct {
    uint8_t ctrl     : 1;   
    uint8_t lalt     : 1;   
    uint8_t ralt     : 1;   
    uint8_t shift    : 1;   
  };
  VirtualKey virtualKey;    
};
 
 
struct DeadKeyVirtualKeyDef {
  VirtualKey   deadKey;         
  VirtualKey   reqVirtualKey;   
  VirtualKey   virtualKey;      
};
 
 
struct KeyboardLayout {
  const char *             name;                
  const char *             desc;                
  KeyboardLayout const *   inherited;           
  VirtualKeyDef            scancodeToVK[86];    
  VirtualKeyDef            exScancodeToVK[22];  
  AltVirtualKeyDef         alternateVK[73];     
  VirtualKey               deadKeysVK[8];       
  DeadKeyVirtualKeyDef     deadkeysToVK[60];    
};
 
 
 
extern const KeyboardLayout USLayout;
 
extern const KeyboardLayout UKLayout;
 
extern const KeyboardLayout GermanLayout;
 
extern const KeyboardLayout ItalianLayout;
 
extern const KeyboardLayout SpanishLayout;
 
extern const KeyboardLayout FrenchLayout;
 
extern const KeyboardLayout BelgianLayout;
 
extern const KeyboardLayout NorwegianLayout;
 
extern const KeyboardLayout JapaneseLayout;
 
 
 
struct SupportedLayouts {
 
  static constexpr int LAYOUTSCOUNT = 9;
 
  static int count()               { return LAYOUTSCOUNT; }
 
  static char const * * names() {
    static char const * NAMES[LAYOUTSCOUNT] =  {
        GermanLayout.desc,
        ItalianLayout.desc,
        UKLayout.desc,
        USLayout.desc,
        SpanishLayout.desc,
        FrenchLayout.desc,
        BelgianLayout.desc,
        NorwegianLayout.desc,
        JapaneseLayout.desc,
    };
    return NAMES;
  }
 
  static char const * * shortNames() {
    static char const * SNAMES[LAYOUTSCOUNT] = {
        GermanLayout.name,
        ItalianLayout.name,
        UKLayout.name,
        USLayout.name,
        SpanishLayout.name,
        FrenchLayout.name,
        BelgianLayout.name,
        NorwegianLayout.name,
        JapaneseLayout.name,
    };
    return SNAMES;
  }
 
  static const KeyboardLayout * * layouts() {
    static KeyboardLayout const * LAYOUTS[LAYOUTSCOUNT] = {
        &GermanLayout,
        &ItalianLayout,
        &UKLayout,
        &USLayout,
        &SpanishLayout,
        &FrenchLayout,
        &BelgianLayout,
        &NorwegianLayout,
        &JapaneseLayout,
    };
    return LAYOUTS;
  }
 
};
 
 
 
} // end of namespace