# HG changeset patch
# User Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
# Date 1444851916 -32400
# Node ID 73c96a1d4a3a87a0643e17c698b10295655e5e12
# Parent  94c520535ef11ddb90203340b5609803b1b5b011
Fix wasteful thread start

diff -r 94c520535ef1 -r 73c96a1d4a3a .idea/workspace.xml
--- a/.idea/workspace.xml	Tue Oct 13 18:21:46 2015 +0900
+++ b/.idea/workspace.xml	Thu Oct 15 04:45:16 2015 +0900
@@ -2,9 +2,7 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="0a04b9e3-21eb-43ee-b441-59e664eecd89" name="Default" comment="settingsChanged">
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/CreateConnectionParam.java" afterPath="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/CreateConnectionParam.java" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/TreeViewer.java" afterPath="$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/TreeViewer.java" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncRootSelectionPanel.java" afterPath="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncRootSelectionPanel.java" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java" afterPath="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/Viewer.java" afterPath="$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/Viewer.java" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
     </list>
@@ -37,7 +35,19 @@
                 <state vertical-scroll-proportion="0.0">
                   <caret line="178" column="48" selection-start-line="178" selection-start-column="48" selection-end-line="178" selection-end-column="48" />
                   <folding>
-                    <element signature="e#0#11451#0" expanded="true" />
+                    <element signature="imports" expanded="false" />
+                    <element signature="e#9277#9278#0" expanded="false" />
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+                    <element signature="e#11411#11412#0" expanded="false" />
+                    <element signature="e#11447#11448#0" expanded="false" />
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                 </state>
               </provider>
@@ -47,42 +57,36 @@
             <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncCommand.java">
               <provider selected="true" editor-type-id="text-editor">
                 <state vertical-scroll-proportion="0.0">
-                  <caret line="56" column="67" selection-start-line="56" selection-start-column="63" selection-end-line="56" selection-end-column="67" />
+                  <caret line="68" column="24" selection-start-line="68" selection-start-column="24" selection-end-line="68" selection-end-column="24" />
                   <folding />
                 </state>
               </provider>
             </entry>
           </file>
-          <file leaf-file-name="FindRoot.java" pinned="false" current-in-tab="false">
-            <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java">
-              <provider selected="true" editor-type-id="text-editor">
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-                  <caret line="24" column="37" selection-start-line="24" selection-start-column="37" selection-end-line="24" selection-end-column="37" />
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-                    <element signature="imports" expanded="true" />
-                  </folding>
-                </state>
-              </provider>
-            </entry>
-          </file>
           <file leaf-file-name="Viewer.java" pinned="false" current-in-tab="true">
             <entry file="file://$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/Viewer.java">
               <provider selected="true" editor-type-id="text-editor">
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-                  <caret line="369" column="66" selection-start-line="369" selection-start-column="66" selection-end-line="369" selection-end-column="66" />
+                <state vertical-scroll-proportion="0.6830986">
+                  <caret line="396" column="43" selection-start-line="396" selection-start-column="43" selection-end-line="396" selection-end-column="43" />
                   <folding>
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+                    <element signature="e#0#16876#0" expanded="true" />
                     <element signature="imports" expanded="true" />
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+                    <element signature="e#9953#9954#0" expanded="true" />
+                    <element signature="e#9991#9992#0" expanded="true" />
                   </folding>
                 </state>
               </provider>
@@ -106,8 +110,10 @@
                   <folding>
                     <element signature="e#0#40916#0" expanded="false" />
                     <element signature="imports" expanded="false" />
-                    <element signature="e#5037#5038#0" expanded="false" />
-                    <element signature="e#5108#5109#0" expanded="false" />
+                    <element signature="e#4640#5165#0" expanded="false" />
+                    <element signature="e#4944#5131#0" expanded="false" />
+                    <element signature="e#5130#5131#0" expanded="false" />
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                     <element signature="e#5599#5600#0" expanded="false" />
                     <element signature="e#5671#5672#0" expanded="false" />
@@ -120,6 +126,18 @@
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                     <element signature="e#8229#8230#0" expanded="false" />
                     <element signature="e#8284#8285#0" expanded="false" />
+                    <element signature="e#13647#13860#0" expanded="false" />
+                    <element signature="e#13859#13860#0" expanded="false" />
+                    <element signature="e#13932#14144#0" expanded="false" />
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+                    <element signature="e#14583#15077#0" expanded="false" />
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+                    <element signature="e#18488#18852#0" expanded="false" />
+                    <element signature="e#18851#18852#0" expanded="false" />
                     <element signature="e#19338#19339#0" expanded="false" />
                     <element signature="e#19392#19393#0" expanded="false" />
                     <element signature="e#20836#20837#0" expanded="false" />
@@ -136,14 +154,42 @@
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                     <element signature="e#22687#22688#0" expanded="false" />
                     <element signature="e#22759#22760#0" expanded="false" />
-                    <element signature="e#27456#27457#0" expanded="false" />
-                    <element signature="e#27528#27529#0" expanded="false" />
+                    <element signature="e#27363#27551#0" expanded="false" />
+                    <element signature="e#27550#27551#0" expanded="false" />
+                    <element signature="e#28095#28613#0" expanded="false" />
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+                    <element signature="e#28562#28563#0" expanded="false" />
+                    <element signature="e#28612#28613#0" expanded="false" />
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                     <element signature="e#28859#28860#0" expanded="false" />
                     <element signature="e#28912#28913#0" expanded="false" />
-                    <element signature="e#30036#30037#0" expanded="false" />
-                    <element signature="e#30104#30105#0" expanded="false" />
+                    <element signature="e#29199#29866#0" expanded="false" />
+                    <element signature="e#29865#29866#0" expanded="false" />
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                     <element signature="e#40879#40880#0" expanded="false" />
@@ -161,26 +207,30 @@
                   <folding>
                     <element signature="e#0#17972#0" expanded="false" />
                     <element signature="imports" expanded="false" />
-                    <element signature="e#2728#2729#0" expanded="false" />
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+                    <element signature="e#2649#2761#0" expanded="false" />
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                   </folding>
                 </state>
               </provider>
@@ -193,26 +243,93 @@
           <file leaf-file-name="CreateConnectionParam.java" pinned="false" current-in-tab="false">
             <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/CreateConnectionParam.java">
               <provider selected="true" editor-type-id="text-editor">
-                <state vertical-scroll-proportion="-21.666666">
-                  <caret line="46" column="32" selection-start-line="46" selection-start-column="32" selection-end-line="46" selection-end-column="32" />
+                <state vertical-scroll-proportion="0.0">
+                  <caret line="36" column="36" selection-start-line="36" selection-start-column="36" selection-end-line="36" selection-end-column="36" />
+                  <folding />
+                </state>
+              </provider>
+            </entry>
+          </file>
+          <file leaf-file-name="TreeRFBProto.java" pinned="false" current-in-tab="true">
+            <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java">
+              <provider selected="true" editor-type-id="text-editor">
+                <state vertical-scroll-proportion="0.4612006">
+                  <caret line="92" column="40" selection-start-line="92" selection-start-column="40" selection-end-line="92" selection-end-column="40" />
                   <folding>
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                   </folding>
                 </state>
               </provider>
             </entry>
           </file>
-          <file leaf-file-name="TreeRFBProto.java" pinned="false" current-in-tab="false">
-            <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java">
+          <file leaf-file-name="FindRoot.java" pinned="false" current-in-tab="false">
+            <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java">
               <provider selected="true" editor-type-id="text-editor">
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-                  <caret line="53" column="44" selection-start-line="53" selection-start-column="44" selection-end-line="53" selection-end-column="44" />
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                   <folding>
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+                    <element signature="imports" expanded="true" />
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                 </state>
               </provider>
@@ -222,8 +339,13 @@
             <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncCommandChannelListener.java">
               <provider selected="true" editor-type-id="text-editor">
                 <state vertical-scroll-proportion="0.0">
-                  <caret line="55" column="23" selection-start-line="55" selection-start-column="23" selection-end-line="55" selection-end-column="23" />
-                  <folding />
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+                  </folding>
                 </state>
               </provider>
             </entry>
@@ -238,29 +360,13 @@
               </provider>
             </entry>
           </file>
-          <file leaf-file-name="TreeVncRootSelectionPanel.java" pinned="false" current-in-tab="true">
+          <file leaf-file-name="TreeVncRootSelectionPanel.java" pinned="false" current-in-tab="false">
             <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncRootSelectionPanel.java">
               <provider selected="true" editor-type-id="text-editor">
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-          <file leaf-file-name="RequestScreenThread.java" pinned="false" current-in-tab="false">
-            <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/RequestScreenThread.java">
-              <provider selected="true" editor-type-id="text-editor">
-                <state vertical-scroll-proportion="0.0">
-                  <caret line="44" column="8" selection-start-line="44" selection-start-column="8" selection-end-line="44" selection-end-column="8" />
-                  <folding>
-                    <element signature="e#948#949#0" expanded="true" />
-                    <element signature="e#969#970#0" expanded="true" />
+                    <element signature="imports" expanded="true" />
                   </folding>
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@@ -271,7 +377,22 @@
               <provider selected="true" editor-type-id="text-editor">
                 <state vertical-scroll-proportion="0.0">
                   <caret line="257" column="57" selection-start-line="257" selection-start-column="57" selection-end-line="257" selection-end-column="57" />
-                  <folding />
+                  <folding>
+                    <element signature="imports" expanded="false" />
+                    <element signature="e#2256#2283#0" expanded="false" />
+                    <element signature="e#2346#2364#0" expanded="false" />
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+                    <element signature="e#14671#14672#0" expanded="false" />
+                    <element signature="e#14715#14716#0" expanded="false" />
+                  </folding>
                 </state>
               </provider>
             </entry>
@@ -286,51 +407,6 @@
               </provider>
             </entry>
           </file>
-          <file leaf-file-name="ConnectionView.java" pinned="false" current-in-tab="false">
-            <entry file="file://$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/swing/gui/ConnectionView.java">
-              <provider selected="true" editor-type-id="text-editor">
-                <state vertical-scroll-proportion="0.0">
-                  <caret line="435" column="6" selection-start-line="435" selection-start-column="6" selection-end-line="435" selection-end-column="6" />
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-                    <element signature="imports" expanded="false" />
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@@ -631,11 +707,11 @@
         <option value="$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/ConnectionPresenter.java" />
         <option value="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/test/TestTextBox.java" />
         <option value="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java" />
-        <option value="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java" />
-        <option value="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncCommandChannelListener.java" />
         <option value="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncRootSelectionPanel.java" />
         <option value="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/CreateConnectionParam.java" />
         <option value="$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/TreeViewer.java" />
+        <option value="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncCommandChannelListener.java" />
+        <option value="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java" />
         <option value="$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/Viewer.java" />
       </list>
     </option>
@@ -644,9 +720,8 @@
     <order />
   </component>
   <component name="ProjectFrameBounds">
-    <option name="x" value="4" />
     <option name="y" value="23" />
-    <option name="width" value="1916" />
+    <option name="width" value="1920" />
     <option name="height" value="1177" />
   </component>
   <component name="ProjectLevelVcsManager" settingsEditedManually="true">
@@ -871,8 +946,8 @@
         </subPane>
       </pane>
       <pane id="Scratches" />
+      <pane id="PackagesPane" />
       <pane id="Scope" />
-      <pane id="PackagesPane" />
     </panes>
   </component>
   <component name="PropertiesComponent">
@@ -1164,8 +1239,8 @@
     <servers />
   </component>
   <component name="ToolWindowManager">
-    <frame x="4" y="23" width="1916" height="1177" extended-state="6" />
-    <editor active="true" />
+    <frame x="0" y="23" width="1920" height="1177" extended-state="6" />
+    <editor active="false" />
     <layout>
       <window_info id="Palette&#9;" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="UI Designer" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
@@ -1183,9 +1258,9 @@
       <window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
       <window_info id="Maven Projects" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
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-      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.18215032" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
-      <window_info id="Hierarchy" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.115344465" sideWeight="0.5" order="2" side_tool="false" content_ui="combo" />
-      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.31792977" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
+      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.18177083" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
+      <window_info id="Hierarchy" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.108333334" sideWeight="0.5" order="2" side_tool="false" content_ui="combo" />
+      <window_info id="Run" active="true" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.31792977" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
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@@ -1194,18 +1269,18 @@
       <window_info id="Inspection" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.4" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
     </layout>
     <layout-to-restore>
+      <window_info id="Palette&#9;" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
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-      <window_info id="Palette&#9;" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
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+      <window_info id="Gradle" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
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-      <window_info id="Gradle" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
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+      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.34118852" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
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       <window_info id="Designer" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
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@@ -1243,7 +1318,7 @@
       <breakpoints>
         <line-breakpoint type="java-line">
           <url>file://$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/Viewer.java</url>
-          <line>489</line>
+          <line>499</line>
           <properties />
           <option name="timeStamp" value="25" />
         </line-breakpoint>
@@ -1255,7 +1330,7 @@
         </line-breakpoint>
         <line-breakpoint type="java-line">
           <url>file://$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/Viewer.java</url>
-          <line>420</line>
+          <line>430</line>
           <properties />
           <option name="timeStamp" value="32" />
         </line-breakpoint>
@@ -1296,12 +1371,6 @@
           <option name="timeStamp" value="80" />
         </line-breakpoint>
         <line-breakpoint type="java-line">
-          <url>file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java</url>
-          <line>809</line>
-          <properties />
-          <option name="timeStamp" value="85" />
-        </line-breakpoint>
-        <line-breakpoint type="java-line">
           <url>file://$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/Viewer.java</url>
           <line>252</line>
           <properties />
@@ -1314,12 +1383,6 @@
           <option name="timeStamp" value="93" />
         </line-breakpoint>
         <line-breakpoint type="java-line">
-          <url>file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncCommandChannelListener.java</url>
-          <line>47</line>
-          <properties />
-          <option name="timeStamp" value="99" />
-        </line-breakpoint>
-        <line-breakpoint type="java-line">
           <condition disabled="true" expression="numberOfRectangles &gt; 1" language="JAVA" custom="" />
           <url>file://$PROJECT_DIR$/src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java</url>
           <line>248</line>
@@ -1363,12 +1426,6 @@
           <option name="timeStamp" value="115" />
         </line-breakpoint>
         <line-breakpoint type="java-line">
-          <url>file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncCommand.java</url>
-          <line>68</line>
-          <properties />
-          <option name="timeStamp" value="117" />
-        </line-breakpoint>
-        <line-breakpoint type="java-line">
           <url>file://$PROJECT_DIR$/src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java</url>
           <line>247</line>
           <properties />
@@ -1412,13 +1469,13 @@
         </line-breakpoint>
         <line-breakpoint type="java-line">
           <url>file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java</url>
-          <line>914</line>
+          <line>918</line>
           <properties />
           <option name="timeStamp" value="136" />
         </line-breakpoint>
         <line-breakpoint type="java-line">
           <url>file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java</url>
-          <line>933</line>
+          <line>937</line>
           <properties />
           <option name="timeStamp" value="137" />
         </line-breakpoint>
@@ -1428,23 +1485,35 @@
           <properties />
           <option name="timeStamp" value="141" />
         </line-breakpoint>
-        <line-breakpoint enabled="true" type="java-line">
+        <line-breakpoint type="java-line">
           <url>file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java</url>
           <line>42</line>
           <properties />
           <option name="timeStamp" value="151" />
         </line-breakpoint>
-        <line-breakpoint enabled="true" type="java-line">
+        <line-breakpoint type="java-line">
           <url>file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/CreateConnectionParam.java</url>
           <line>33</line>
           <properties />
           <option name="timeStamp" value="159" />
         </line-breakpoint>
+        <line-breakpoint enabled="true" type="java-line">
+          <url>file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncRootSelectionPanel.java</url>
+          <line>101</line>
+          <properties />
+          <option name="timeStamp" value="183" />
+        </line-breakpoint>
+        <line-breakpoint enabled="true" type="java-line">
+          <url>file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncCommand.java</url>
+          <line>48</line>
+          <properties />
+          <option name="timeStamp" value="185" />
+        </line-breakpoint>
       </breakpoints>
       <breakpoints-dialog>
         <breakpoints-dialog />
       </breakpoints-dialog>
-      <option name="time" value="160" />
+      <option name="time" value="186" />
     </breakpoint-manager>
     <watches-manager />
   </component>
@@ -1453,20 +1522,6 @@
     <option name="FILTER_TARGETS" value="false" />
   </component>
   <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeManagement.java">
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-        <state vertical-scroll-proportion="0.0">
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-    <entry file="file://$PROJECT_DIR$/src/main/java/com/glavsoft/rfb/protocol/state/ProtocolState.java">
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     <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/VncProxyService.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
@@ -1474,13 +1529,6 @@
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       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVNCNetwork.java">
-      <provider selected="true" editor-type-id="text-editor">
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     <entry file="file://$PROJECT_DIR$/src/main/java/com/glavsoft/rfb/client/FramebufferUpdateRequestMessage.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
@@ -1702,8 +1750,10 @@
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             <element signature="imports" expanded="false" />
-            <element signature="e#5037#5038#0" expanded="false" />
-            <element signature="e#5108#5109#0" expanded="false" />
+            <element signature="e#4640#5165#0" expanded="false" />
+            <element signature="e#4944#5131#0" expanded="false" />
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@@ -1716,6 +1766,18 @@
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             <element signature="e#8229#8230#0" expanded="false" />
             <element signature="e#8284#8285#0" expanded="false" />
+            <element signature="e#13647#13860#0" expanded="false" />
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+            <element signature="e#18488#18852#0" expanded="false" />
+            <element signature="e#18851#18852#0" expanded="false" />
             <element signature="e#19338#19339#0" expanded="false" />
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+            <element signature="e#7700#7701#0" expanded="true" />
+            <element signature="e#7742#7743#0" expanded="true" />
+            <element signature="e#9645#9646#0" expanded="true" />
+            <element signature="e#9677#9678#0" expanded="true" />
+            <element signature="e#9713#9714#0" expanded="true" />
+            <element signature="e#9741#9742#0" expanded="true" />
+            <element signature="e#9779#9780#0" expanded="true" />
+            <element signature="e#9823#9824#0" expanded="true" />
+            <element signature="e#9869#9870#0" expanded="true" />
+            <element signature="e#9910#9911#0" expanded="true" />
+            <element signature="e#9953#9954#0" expanded="true" />
+            <element signature="e#9991#9992#0" expanded="true" />
           </folding>
         </state>
       </provider>
diff -r 94c520535ef1 -r 73c96a1d4a3a src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java
--- a/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java	Tue Oct 13 18:21:46 2015 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java	Thu Oct 15 04:45:16 2015 +0900
@@ -59,13 +59,13 @@
     private boolean leader;
     private boolean hasViewer = false;
     private boolean normalTermination;
+
     private boolean isTreeManager;
     public boolean showTreeNode = false;
     public boolean checkDelay = false;
     public boolean addSerialNum = false;
     public boolean fixingSize = false;
     public boolean filterSingleDisplay = false;
-
     public int frameSizeWidth;
     public int frameSizeHeight;
     public int fixingSizeWidth;
@@ -85,6 +85,10 @@
         this.isTreeManager = isTreeManager;
         this.viewer = viewer;
 //        this.socket = createSocket();
+        startTreeRootFindThread();
+    }
+
+    public void startTreeRootFindThread() {
         if(isTreeManager()) {
             getCast = new TreeRootFinderListener(viewer);
             Thread treeRootFindThread = new Thread(getCast, "tree-root-find-listener");
@@ -96,6 +100,10 @@
         return isTreeManager;
     }
 
+    public void setIsTreeManager(boolean isTreeManager) {
+        this.isTreeManager = isTreeManager;
+    }
+
     public boolean isAddSerialNum() {
         return addSerialNum;
     }
@@ -105,7 +113,7 @@
     }
 
     /**
-     * handle new client accept 
+     * handle new client accept
      *     it also handle TreeVNC Command
      * @param os
      * @param is
@@ -808,10 +816,6 @@
      */
     public void createConnectionAndStart(ViewerInterface v) {
         selectPort(ConnectionParams.DEFAULT_VNC_ROOT);
-        startTreeVncCommandListener();
-    }
-
-    public void startTreeVncCommandListener() {
         acceptThread = new TreeVncCommandChannelListener(this, getAcceptPort());
         Thread thread = new Thread(acceptThread, "TreeVNC-accept");
         thread.start();
diff -r 94c520535ef1 -r 73c96a1d4a3a src/viewer_swing/java/com/glavsoft/viewer/Viewer.java
--- a/src/viewer_swing/java/com/glavsoft/viewer/Viewer.java	Tue Oct 13 18:21:46 2015 +0900
+++ b/src/viewer_swing/java/com/glavsoft/viewer/Viewer.java	Thu Oct 15 04:45:16 2015 +0900
@@ -105,8 +105,8 @@
     private Viewer(Parser parser) {
         this();
         setLoggingLevel(parser.isSet(ParametersHandler.ARG_VERBOSE) ? Level.FINE :
-            parser.isSet(ParametersHandler.ARG_VERBOSE_MORE) ? Level.FINER :
-                Level.INFO);
+                parser.isSet(ParametersHandler.ARG_VERBOSE_MORE) ? Level.FINER :
+                        Level.INFO);
 
         paramsMask = ParametersHandler.completeSettingsFromCLI(parser, connectionParams, settings, uiSettings);
         passwordFromParams = parser.getValueFor(ParametersHandler.ARG_PASSWORD);
@@ -333,7 +333,7 @@
     }
 
     public void changeToDirectConnectedServer(String hostName, Reader is, Writer os) {
-        final ConnectionPresenter connectionPresenter = createNewConnectionPresenter(hostName, (short)-1);
+        final ConnectionPresenter connectionPresenter = createNewConnectionPresenter(hostName, (short) -1);
         connectionPresenter.startVNCConnection(this, true, is, os);
     };
 
@@ -370,6 +370,7 @@
             // selected "Start Display Mode" or "Start as TreeVNC Root" for start selection panel
             if (cp.isDisplayMode() || cp.isRootMode()) {
                 myRfb = rfb;
+                myRfb.setIsTreeManager(true);
                 return;
             }
         }
@@ -392,20 +393,29 @@
             printUsage(parser.optionsUsage());
             System.exit(0);
         }
-        TreeRFBProto rfb = new TreeRFBProto(true, this);
-        myRfb = rfb;
-        rfb.setShowTree(showTree);
-        rfb.setCheckDelay(checkDelay);
-        rfb.setAddSerialNum(addSerialNum);
-        rfb.setFixingSize(fixingSize);
+
+        // myRfb is null if use command line option "-d" "-p"
+        // myRfb not null if use start panel
+        if (myRfb == null) {
+            myRfb = new TreeRFBProto(true, this);
+        }
+
+        myRfb.setShowTree(showTree);
+        myRfb.setCheckDelay(checkDelay);
+        myRfb.setAddSerialNum(addSerialNum);
+        myRfb.setFixingSize(fixingSize);
         if(fixingSize) {
-            rfb.fixingSizeWidth = fixingSizeWidth;
-            rfb.fixingSizeHeight = fixingSizeHeight;
+            myRfb.fixingSizeWidth = fixingSizeWidth;
+            myRfb.fixingSizeHeight = fixingSizeHeight;
         }
-        rfb.setFilterSingleDisplay(filterSingleDisplay);
-        rfb.setCuiVersion(false);
-        rfb.setHasViewer(true); // this flag will be overwrited after this method. Do we have to set here?
-        rfb.createConnectionAndStart(this);
+        myRfb.setFilterSingleDisplay(filterSingleDisplay);
+        myRfb.setCuiVersion(false);
+        myRfb.setHasViewer(true); // this flag will be overwrited after this method. Do we have to set here?
+        if (myRfb.getAcceptThread() == null) {
+            myRfb.createConnectionAndStart(this);
+        } else {
+            myRfb.startTreeRootFindThread();
+        }
         setIsTreeVNC(true);
         if (hostName == null) {
             hostName = "localhost";