--- a/src/main/java/com/glavsoft/rfb/encoding/EncodingType.java	Sat Jan 10 18:08:40 2015 +0900
+++ b/src/main/java/com/glavsoft/rfb/encoding/EncodingType.java	Sat Jan 10 18:51:25 2015 +0900
@@ -70,6 +70,11 @@
     CHECK_DELAY(17, "CHECK_DELAY"),
 
     /**
+     * TreeVNC single display width size.
+     */
+    SEND_SINGLE_DISPLAY_WIDTH(18, "SEND_SINGLE_DISPLAY_WIDTH"),
+
+    /**
      * Transmit initial data of new display
      */
     INIT_DATA(0xFFFFFF10, "InitData"),

--- a/src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java	Sat Jan 10 18:08:40 2015 +0900
+++ b/src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java	Sat Jan 10 18:51:25 2015 +0900
@@ -40,15 +40,11 @@
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.io.UnsupportedEncodingException;
-import java.util.LinkedList;
 import java.util.Timer;
 import java.util.TimerTask;
 import java.util.logging.Logger;
 
-import jp.ac.u_ryukyu.treevnc.CheckDelayReply;
-import jp.ac.u_ryukyu.treevnc.SendCheckDelay;
-import jp.ac.u_ryukyu.treevnc.TreeRFBProto;
-import jp.ac.u_ryukyu.treevnc.TreeVncProtocol;
+import jp.ac.u_ryukyu.treevnc.*;
 
 
 public class ReceiverTask implements Runnable {
@@ -237,10 +233,13 @@
             FramebufferUpdateRectangle rect = new FramebufferUpdateRectangle();
             rect.fill(reader);
 
-            if(rfb.singleWidth == 0 && firstTime) {
-                rfb.singleWidth = rect.width;
+            if(rfb.filterSingleDisplay && firstTime) {
+                if (rfb.singleWidth == 0) {
+                    rfb.singleWidth = rect.width;
+                }
                 // ここにsingleWidthを送信する処理を書く
-//                sendSingleWidth(rect.width);
+                SendSingleDisplayWidth sendSingleDisplayWidth = new SendSingleDisplayWidth(rfb, rfb.singleWidth);
+                sendSingleDisplayWidth.sendSingleDisplayWidth();
                 this.firstTime = false;
             }
 
@@ -301,8 +300,8 @@
                 int port = rfb.acceptPort;
                 String address = rfb.getMyAddress();
                 sendCheckDelayReply(rect.time, port, address);
-//            } else if (rect.getEncodingType() == EncodingType.SET_SINGLE_WIDTH) {
-//                rfb.singleWidth = rect.singleWidth;
+            } else if (rect.getEncodingType() == EncodingType.SEND_SINGLE_DISPLAY_WIDTH) {
+                rfb.singleWidth = rect.width;
             } else
                 throw new CommonException("Unprocessed encoding: " + rect.toString());
         }
@@ -328,13 +327,6 @@
         context.sendMessage(new CheckDelayReply(time, port, address));
     }
 
-    /*
-    private void sendSingleWidth(int singleWidth) {
-        LinkedList<ByteBuffer> sendSingleWidth = new LinkedList<ByteBuffer>();
-        rfb.multicastqueue.put(sendSingleWidth);
-    }
-    */
-
     public synchronized void queueUpdatePixelFormat(PixelFormat pf) {
         pixelFormat = pf;
         needSendPixelFormat = true;

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/jp/ac/u_ryukyu/treevnc/SendSingleDisplayWidth.java	Sat Jan 10 18:51:25 2015 +0900
@@ -0,0 +1,45 @@
+package jp.ac.u_ryukyu.treevnc;
+
+import java.io.UnsupportedEncodingException;
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.util.LinkedList;
+import com.glavsoft.rfb.encoding.EncodingType;
+
+/**
+ * Created by OcBookPro on 15/01/10.
+ */
+public class SendSingleDisplayWidth {
+
+    private ByteBuffer msg;
+    private TreeRFBProto rfb;
+    private int singleDisplayWidth;
+
+    public SendSingleDisplayWidth(TreeRFBProto rfb, int singleWidth) {
+        this.rfb = rfb;
+        this.singleDisplayWidth = singleWidth;
+    }
+
+    public void sendSingleDisplayWidth() throws UnsupportedEncodingException {
+        LinkedList<ByteBuffer> linkedListSendSingleDisplayWidth = new LinkedList<ByteBuffer>();
+        linkedListSendSingleDisplayWidth.add(singleDisplayWidth(0, 0, this.singleDisplayWidth, 0));
+        this.rfb.addSerialNumber(linkedListSendSingleDisplayWidth);
+        this.rfb.multicastqueue.put(linkedListSendSingleDisplayWidth);
+        System.out.println(this.singleDisplayWidth + " : send single display width");
+    }
+
+    public ByteBuffer singleDisplayWidth(int i, int j, int singleDisplayWidth, int height) throws UnsupportedEncodingException {
+        msg = ByteBuffer.allocate(24).order(ByteOrder.BIG_ENDIAN);
+        msg.put((byte) 0); // FrameBufferUpdate
+        msg.put((byte) 0); // padding
+        msg.putShort((short) 1); // number of rectangle
+        msg.putShort((short) i);
+        msg.putShort((short) j);
+        msg.putShort((short) singleDisplayWidth);
+        msg.putShort((short) height);
+        msg.putInt(EncodingType.SEND_SINGLE_DISPLAY_WIDTH.getId());
+        msg.flip();
+        return msg;
+    }
+
+}

--- a/src/viewer_swing/java/com/glavsoft/viewer/swing/SwingViewerWindow.java	Sat Jan 10 18:08:40 2015 +0900
+++ b/src/viewer_swing/java/com/glavsoft/viewer/swing/SwingViewerWindow.java	Sat Jan 10 18:51:25 2015 +0900
@@ -53,6 +53,7 @@
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Logger;
 
+import jp.ac.u_ryukyu.treevnc.SendSingleDisplayWidth;
 import jp.ac.u_ryukyu.treevnc.TreeRFBProto;
 import jp.ac.u_ryukyu.treevnc.ScreenChangeRequest;