# HG changeset patch
# User riono <e165729@ie.u-ryukyu.ac.jp>
# Date 1588070978 -32400
# Node ID 7071b01621c29bae03e59213432a05db4a9a0166
# Parent  710c26fd3ebeb2184edf4edcbd86f23af2b6c29a
Determine ipv4 or ipv6 and fix scond display

diff -r 710c26fd3ebe -r 7071b01621c2 build.gradle
--- a/build.gradle	Sun Mar 22 20:04:21 2020 +0900
+++ b/build.gradle	Tue Apr 28 19:49:38 2020 +0900
@@ -7,8 +7,8 @@
 apply plugin: 'application'
 
 
-sourceCompatibility = JavaVersion.VERSION_13
-targetCompatibility = JavaVersion.VERSION_13
+sourceCompatibility = JavaVersion.VERSION_12
+targetCompatibility = JavaVersion.VERSION_12
 version = '3.0.0'
 
 project.ext.baseName = 'tightvnc-jviewer'
diff -r 710c26fd3ebe -r 7071b01621c2 src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java
--- a/src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java	Sun Mar 22 20:04:21 2020 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java	Tue Apr 28 19:49:38 2020 +0900
@@ -5,10 +5,7 @@
 
 import java.io.BufferedReader;
 import java.io.IOException;
-import java.net.DatagramPacket;
-import java.net.InetAddress;
-import java.net.MulticastSocket;
-import java.net.ServerSocket;
+import java.net.*;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 
@@ -29,9 +26,17 @@
      */
 	public FindRoot(int _port, CreateConnectionParam createConnectionParam) {
         port = _port;
+        boolean isIpv6Address = false;
         try {
-            soc = TreeRootFinderListener.createMulticastSocket();
-            mAddr = InetAddress.getByName(TreeRootFinderListener.McastAddr);
+			mAddr = InetAddress.getByName(TreeRootFinderListener.McastAddr);
+			if(mAddr instanceof Inet6Address) {
+				isIpv6Address = true;
+				System.out.println("connect ipv6");
+			} else if(mAddr instanceof Inet4Address) {
+				isIpv6Address = false;
+				System.out.println("connect ipv4");
+			}
+        	soc = TreeRootFinderListener.createMulticastSocket(isIpv6Address);
             System.out.println("FindRoot socket on " + TreeRootFinderListener.McastAddr + " "  + mAddr + " port " + _port);
         } catch (IOException e) {
             System.out.println("cannot create FindRoot socket. " + e);
diff -r 710c26fd3ebe -r 7071b01621c2 src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java
--- a/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java	Sun Mar 22 20:04:21 2020 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java	Tue Apr 28 19:49:38 2020 +0900
@@ -15,7 +15,7 @@
 public class TreeRootFinderListener implements Runnable {
     public static final String Ipv4McastAddr = "224.0.0.1";
     public static final String Ipv6McastAddr = "ff02::1";
-    public static String McastAddr = Ipv4McastAddr;
+    public static String McastAddr = Ipv6McastAddr;
 
 	static final int BufSize = 1024;
 	private boolean stopFlag = false;
@@ -26,24 +26,28 @@
 	public TreeRootFinderListener(ViewerInterface vncProxyService) {
 		vps = vncProxyService;
 		try {
-			soc = createMulticastSocket();
+			soc =
+					createMulticastSocket(true);
 			System.out.println("FindRoot listening on "+ InetAddress.getByName(McastAddr));
 		} catch (IOException e) {
 			e.printStackTrace();
 		}
 	}
 
-    public static MulticastSocket createMulticastSocket() throws IOException {
+    public static MulticastSocket createMulticastSocket(boolean isIpv6Address) throws IOException {
         MulticastSocket soc = new MulticastSocket(ConnectionParams.DEFAULT_VNC_ROOT_FINDER);
-		try {
-			soc.joinGroup(InetAddress.getByName(McastAddr));
-		} catch (SocketException e) {
-			System.out.println("join to " +  Ipv4McastAddr + " failed.");
-		}
-		try {
-			soc.joinGroup(InetAddress.getByName(Ipv6McastAddr));
-		} catch (SocketException e) {
-			System.out.println("join to " +  Ipv6McastAddr + " failed.");
+        if (isIpv6Address) {
+			try {
+				soc.joinGroup(InetAddress.getByName(Ipv6McastAddr));
+			} catch (SocketException e) {
+				System.out.println("join to " +  Ipv6McastAddr + " failed.");
+			}
+        } else {
+			try {
+				soc.joinGroup(InetAddress.getByName(McastAddr));
+			} catch (SocketException e) {
+				System.out.println("join to " +  Ipv4McastAddr + " failed.");
+			}
 		}
         return soc;
     }
diff -r 710c26fd3ebe -r 7071b01621c2 src/viewer_swing/java/com/glavsoft/viewer/Viewer.java
--- a/src/viewer_swing/java/com/glavsoft/viewer/Viewer.java	Sun Mar 22 20:04:21 2020 +0900
+++ b/src/viewer_swing/java/com/glavsoft/viewer/Viewer.java	Tue Apr 28 19:49:38 2020 +0900
@@ -554,7 +554,7 @@
         FbRectangle fbRectanglesPrev = fbRectangles.get(0);
         for (int i = 1; i < fbRectangles.size(); i++) {
             FbRectangle fbRect = fbRectangles.get(i);
-            if (fbRect.getIsRetina()) {
+            if (fbRectanglesPrev.getRetinaScale() != 1) {
                 if (fbRectanglesPrev.x + fbRectanglesPrev.width <= fbRect.x) {
                     // previous screen is touch with this screen, fix retina scale offset
                     retinaOffsetX += fbRectanglesPrev.getWidth() * (fbRectanglesPrev.retinaScale - 1);
@@ -570,7 +570,7 @@
         fbRectanglesPrev = fbRectangles.get(0);
         for (int i = 1; i < fbRectangles.size(); i++) {
             FbRectangle fbRect = fbRectangles.get(i);
-            if (fbRect.getIsRetina()) {
+            if (fbRectanglesPrev.getRetinaScale() != 1) {
                 if (fbRectanglesPrev.y + fbRectanglesPrev.height <= fbRect.y) {
                     // previous screen is touch with this screen, fix retina scale offset
                     retinaOffsetY += fbRectanglesPrev.getHeight() * (fbRectanglesPrev.retinaScale - 1);
@@ -609,6 +609,7 @@
         final GraphicsDevice[] devices = env.getScreenDevices();
         GraphicsConfiguration conf = devices[shareScreenNumber].getDefaultConfiguration();
         scale = (int)conf.getDefaultTransform().getScaleX();
+        System.out.println("scale:" + scale + "\n\n");
         return scale;
     }