ScreenKit.java

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// -*-Java-*- 

package pkgView;

import java.util.Vector;
import java.util.Enumeration;
import java.lang.System;
import java.io.*;

public class ScreenKit {

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   private ScreenKit() {
      initScreen();     
      ttyInitPair( PAIR_BLACK_RED,    NC_BLACK,  NC_RED );
      ttyInitPair( PAIR_BLACK_GREEN,  NC_BLACK,  NC_GREEN );
      ttyInitPair( PAIR_BLACK_YELLOW, NC_BLACK,  NC_YELLOW );
      ttyInitPair( PAIR_BLACK_BLUE,   NC_BLACK,  NC_BLUE );
      ttyInitPair( PAIR_BLACK_MAGENTA,NC_BLACK,  NC_MAGENTA );
      ttyInitPair( PAIR_BLACK_CYAN,   NC_BLACK,  NC_CYAN );
      ttyInitPair( PAIR_BLACK_WHITE,  NC_BLACK,  NC_WHITE );
      ttyInitPair( PAIR_WHITE_BLUE ,  NC_WHITE,  NC_BLUE );
      ttyInitPair( PAIR_WHITE_BLACK , NC_WHITE,  NC_BLACK );
      ttyInitPair( PAIR_YELLOW_BLUE , NC_YELLOW, NC_BLUE );

   }

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

   public native void ttyMvAddStr(int row, int col, String str, int len,
                                  int attrib, int pairNum);


   public native void ttyMove( int row, int col );


   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public native void ttyDrawBox(
                                 int y, // first row
                                 int x, // first column
                                 int rows, // #rows
                                 int cols, // #cols
                                 int pair  // color pair
                                 );

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public native void ttyDrawHline(
                                 int y, // first row
                                 int x, // first column
                                 int ch, // character
                                 int len, // length
                                 int pair  // color pair
                                 );



   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public native void ttyDrawVline(
                                 int y, // first row
                                 int x, // first column
                                 int ch, // character
                                 int len, // length
                                 int pair  // color pair
                                 );

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public native void ttyInitPair(int pairNum, int fg, int bg );


   public native void ttyEndWin();


   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public native void ttySaveScreen();

   public native void ttyShellScreen( String str);

   public native void ttyRestoreScreen();

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public native void ttyClear();


   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public native void ttyEraseRow(int row, int col, int len, 
                                  int attrib, int pairNum);

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public native void ttyBeep();

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public native void ttyRefresh();


   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public native int ttyGetKey(int timeout); 



   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   public native static boolean initScreen();

   // these should match Ncurses colors

   public final static int NC_BLACK   = 0; 
   public final static int NC_RED     = 1; 
   public final static int NC_GREEN   = 2; 
   public final static int NC_YELLOW  = 3; 
   public final static int NC_BLUE    = 4; 
   public final static int NC_MAGENTA = 5; 
   public final static int NC_CYAN    = 6; 
   public final static int NC_WHITE   = 7; 

   // following are color indices for init_pair();
   public final static int PAIR_BLACK_RED      = 1; 
   public final static int PAIR_BLACK_GREEN    = 2; 
   public final static int PAIR_BLACK_YELLOW   = 3; 
   public final static int PAIR_BLACK_BLUE     = 4; 
   public final static int PAIR_BLACK_MAGENTA  = 5; 
   public final static int PAIR_BLACK_CYAN     = 6; 
   public final static int PAIR_BLACK_WHITE    = 7; 
   public final static int PAIR_WHITE_BLUE     = 8; 
   public final static int PAIR_WHITE_BLACK    = 9; 
   public final static int PAIR_YELLOW_BLUE    = 10; 
   public final static int PAIRS_MAX = 10; 

   public static int ncColorPairs = 0; 

   // following are colors for the MCJ application
   public final static int
      COLOR_BOX       = PAIR_WHITE_BLUE, 
      COLOR_TITLE     = PAIR_YELLOW_BLUE; 

   // these shadow an enumeration list in tty.cc
   // use them to set attributes
   public final static int
      SK_NORMAL        = 0, 
      SK_STANDOUT      = 1, 
      SK_UNDERLINE     = 2, 
      SK_REVERSE       = 3, 
      SK_BLINK         = 4, 
      SK_DIM           = 5, 
      SK_BOLD          = 6, 
      SK_PROTECT       = 7, 
      SK_INVIS         = 8, 
      SK_ALTCHARSET    = 9, 
      SK_CHARTEXT      = 10; 


   public final static int
      PANEL_TS         = 1,     
      PANEL_LS         = 0,     
      PANEL_RS         = 79,    
      PANEL_BS         = 20,    
      PANEL_HINT_ROW   = 22, 
      PANEL_SHELL_ROW  = 23, 
      FUNC_KEY_ROW     = 24; 

   //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
}// ScreenKit.java

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