Keyboard.java

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//   -*-Java-*-
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

package pkgView;

import java.util.*;

public class Keyboard {
   
   //private final static int MAX_CHARS = 80;
   private ScreenKit sk;
   private int lastKey  = 0;

   private static Keyboard instance = null;

   private Keyboard(){
      sk = ScreenKit.getSingleton();
   };

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public static Keyboard getSingleton() {
      if ( instance == null) {
         instance = new Keyboard();
      }
      return instance;
   }

   
   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public int inputKey(int timeout){
       lastKey = sk.ttyGetKey(timeout);
       return lastKey;
   }

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public void setKey( int setting ){
      lastKey = setting;
   }

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public int getLastKey(){
      return lastKey;
   }
   

   public static final int KEY_F12     = 276; 
   public static final int KEY_F11     = 275; 
   public static final int KEY_F10     = 274; 
   public static final int KEY_F9      = 273; 
   public static final int KEY_F8      = 272; 
   public static final int KEY_F7      = 271; 
   public static final int KEY_F6      = 270; 
   public static final int KEY_F5      = 269; 
   public static final int KEY_F4      = 268; 
   public static final int KEY_F3      = 267; 
   public static final int KEY_F2      = 266; 
   public static final int KEY_F1      = 265; 
   public static final int KEY_TAB     = 9;   
   public static final int KEY_ESC     = 27;  
   public static final int KEY_ENTER   = 13;  
   public static final int KEY_NEWMODE = 0;   

   public static final int KEY_HOME    = 262; 
   public static final int KEY_DOWN    = 258; 
   public static final int KEY_UP      = 259; 
   public static final int KEY_RIGHT   = 261; 
   public static final int KEY_LEFT    = 260; 

   public static final int KEY_PGDN    = 338; 
   public static final int KEY_PGUP    = 339; 

   public static final int KEY_INSERT  = 331; 
   public static final int KEY_DELETE  = 330; 

   public static final int KEY_SPACE   = 32; 

   public static final int 
      KEY_CTRL_A  = 1,
      KEY_CTRL_B  = 2,
      KEY_CTRL_C  = 3,
      KEY_CTRL_D  = 4,
      KEY_CTRL_E  = 5,
      KEY_CTRL_F  = 6,
      KEY_CTRL_G  = 7,
      KEY_CTRL_H  = 8,
      KEY_CTRL_I  = 9,
      KEY_CTRL_J  = 10,
      KEY_CTRL_K  = 11,
      KEY_CTRL_L  = 12,
      KEY_CTRL_M  = 13,
      KEY_CTRL_N  = 14,
      KEY_CTRL_O  = 15,
      KEY_CTRL_P  = 16,
      KEY_CTRL_Q  = 17,
      KEY_CTRL_R  = 18,
      KEY_CTRL_S  = 19,
      KEY_CTRL_T  = 20,
      KEY_CTRL_U  = 21,
      KEY_CTRL_V  = 22,
      KEY_CTRL_W  = 23,
      KEY_CTRL_X  = 24,
      KEY_CTRL_Y  = 25,
      KEY_CTRL_Z  = 26
      ;

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public boolean isBackSpace( int k ){
      if( k == 127 ){
         return true;
      }
      return false;
   }

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public boolean isLeftArrow( int k ){
      if( k == 260 ){
         return true;
      }
      return false;
   }

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public boolean isRightArrow( int k ){
      if( k == 261 ){
         return true;
      }
      return false;
   }

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public boolean isCtrl( int k ){
      if( k >= 1 && k <= 26 ){
         return true;
      }
      return false;
   }

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public boolean isDigit( int k ){
      if( k >= '0' && k <= '9' ){
         return true;
      }
      return false;
   }

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public boolean isLower( int k ){
      if( k >= 'a' && k <= 'z' ){
         return true;
      }
      return false;
   }

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public boolean isUpper( int k ){
      if( k >= 'A' && k <= 'Z' ){
         return true;
      }
      return false;
   }

   public boolean isAlpha( int k ){
      if( isUpper(k) || isLower(k) ){
         return true;
      }
      return false;
   }


} // Keyboard

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