add support for SetDesktopSize to java viewer

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4427 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/java/src/com/tigervnc/rfb/CConnection.java b/java/src/com/tigervnc/rfb/CConnection.java
index bca2e9d..5acae52 100644
--- a/java/src/com/tigervnc/rfb/CConnection.java
+++ b/java/src/com/tigervnc/rfb/CConnection.java
@@ -252,10 +252,6 @@
     serverPort = port;
   }
  
-  //public void setEncryptionType(String type) {
-  //  encryptionType = type;
-  //}
-
   public void initSecTypes() {
     nSecTypes = 0;
   }
@@ -311,8 +307,8 @@
 
   // Other methods
 
-  public CMsgReader reader() { return reader_; }
-  public CMsgWriter writer() { return writer_; }
+  public CMsgReaderV3 reader() { return reader_; }
+  public CMsgWriterV3 writer() { return writer_; }
 
   public InStream getInStream() { return is; }
   public OutStream getOutStream() { return os; }
@@ -348,8 +344,8 @@
 
   InStream is = null;
   OutStream os = null;
-  CMsgReader reader_ = null;
-  CMsgWriter writer_ = null;
+  CMsgReaderV3 reader_ = null;
+  CMsgWriterV3 writer_ = null;
   boolean shared = false;
   public CSecurity csecurity;
   public SecurityClient security;
diff --git a/java/src/com/tigervnc/rfb/CMsgReaderV3.java b/java/src/com/tigervnc/rfb/CMsgReaderV3.java
index b865a6c..308d60d 100644
--- a/java/src/com/tigervnc/rfb/CMsgReaderV3.java
+++ b/java/src/com/tigervnc/rfb/CMsgReaderV3.java
@@ -62,7 +62,7 @@
       int y = is.readU16();
       int w = is.readU16();
       int h = is.readU16();
-      int encoding = is.readU32();
+      int encoding = is.readS32();
 
       switch (encoding) {
       case Encodings.pseudoEncodingDesktopSize:
diff --git a/java/src/com/tigervnc/rfb/CMsgWriterV3.java b/java/src/com/tigervnc/rfb/CMsgWriterV3.java
index 24d4756..ec30a82 100644
--- a/java/src/com/tigervnc/rfb/CMsgWriterV3.java
+++ b/java/src/com/tigervnc/rfb/CMsgWriterV3.java
@@ -19,6 +19,7 @@
 package com.tigervnc.rfb;
 
 import com.tigervnc.rdr.*;
+import java.util.*;
 
 public class CMsgWriterV3 extends CMsgWriter {
 
@@ -36,4 +37,32 @@
   public void endMsg() {
     os.flush();
   }
+
+  public void writeSetDesktopSize(int width, int height,
+                                  ScreenSet layout)
+	{
+	  if (!cp.supportsSetDesktopSize)
+	    throw new Exception("Server does not support SetDesktopSize");
+	
+	  startMsg(MsgTypes.msgTypeSetDesktopSize);
+	  os.pad(1);
+	
+	  os.writeU16(width);
+	  os.writeU16(height);
+	
+	  os.writeU8(layout.num_screens());
+	  os.pad(1);
+	
+    for (Iterator iter = layout.screens.iterator(); iter.hasNext(); ) {
+      Screen refScreen = (Screen)iter.next();
+	    os.writeU32(refScreen.id);
+	    os.writeU16(refScreen.dimensions.tl.x);
+	    os.writeU16(refScreen.dimensions.tl.y);
+	    os.writeU16(refScreen.dimensions.width());
+	    os.writeU16(refScreen.dimensions.height());
+	    os.writeU32(refScreen.flags);
+	  }
+	
+	  endMsg();
+	}
 }
diff --git a/java/src/com/tigervnc/rfb/ConnParams.java b/java/src/com/tigervnc/rfb/ConnParams.java
index 77acea0..16c6ff4 100644
--- a/java/src/com/tigervnc/rfb/ConnParams.java
+++ b/java/src/com/tigervnc/rfb/ConnParams.java
@@ -34,6 +34,7 @@
     noJpeg = false; qualityLevel = -1; 
     name_ = null; nEncodings_ = 0; encodings_ = null;
     currentEncoding_ = Encodings.encodingRaw; verStrPos = 0;
+    screenLayout = new ScreenSet();
 
     setName("");
   }