prepare for hand drawing with maze.

java/org/artisanlogiciel/games/Display.java

@@ -634,6 +634,7 @@ public class Display extends JFrame
 	final MazeCellParameters cp;
         Position current = null;
         LinkedList<DirectionPosition> solvedPath = null;
+	LinkedList<DirectionPosition> drawingPath = null;
         final Object lockChange = new Object();
         // current postion of human resolving
         int sX = 0;
@@ -650,7 +651,23 @@ public class Display extends JFrame
 	    // should find the cell ...
 	    int pX = (int) ((double) (e.getX() - cp.getOffsetX()) / cp.getWidth());
             int pY = (int) ((double) (e.getY() - cp.getOffsetY()) / cp.getHeight());
-	    System.out.println("Mouse dragged Cell [" + pX + ',' + pY + ']');
+	    Position newPosition = new Position(pX,pY);
+	    if (drawingPath == null )
+		{
+		    drawingPath = new LinkedList<>();
+		}
+	    else
+		{
+		    DirectionPosition last = drawingPath.getLast();
+		    if ( last.getPosition().equals(newPosition))
+			 {
+			     // no move.
+			     return;
+			 }
+		    // short path=computeMove(last,newPosition);
+		}
+	    System.out.println("Mouse dragged Cell " + newPosition);
+	    drawingPath.addLast(new DirectionPosition((short) 0,newPosition));
 	    map.noWalls(pX,pY);
 	    changed(null,null,map);
 	}

java/org/artisanlogiciel/games/LabyModel.java

@@ -643,7 +643,8 @@ public class LabyModel implements WallsProvider
 					    {
 						rlistener.notifySearch(found);
 					    }
-					break;
+					// support multiple pathes
+					// break;
 				    }
 			    }
 		    }

java/org/artisanlogiciel/games/Position.java

@@ -1,5 +1,6 @@
 package org.artisanlogiciel.games;
 
+/** position of a cell with maze */
 public class Position
 {
     private int x, y;
@@ -38,4 +39,20 @@ public class Position
     {
         return "(" + x + "," + y + ")" + "/" + depth;
     }
+
+    public boolean equals(Object other)
+    {
+	// disregards depth
+	if (other instanceof Position )
+	    {
+		Position p = (Position) other;
+		return (p.getX() == x) && (p.getY() == y);
+	    }
+	else
+	    {
+		return false;
+	    }
+		
+		
+    }
 }