Update lanterna version

pom.xml

@@ -46,35 +46,35 @@
     </plugins>
   </build>
   <dependencies>
+    <dependency>
+      <groupId>com.googlecode.lanterna</groupId>
+      <artifactId>lanterna</artifactId>
+      <version>3.0.0</version>
+    </dependency>
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <version>4.12</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+    	<groupId>org.hamcrest</groupId>
+    	<artifactId>hamcrest-all</artifactId>
+    	<version>1.3</version>
+    	<scope>test</scope>
+    </dependency>
     <dependency>
       <groupId>org.fitnesse</groupId>
       <artifactId>fitnesse</artifactId>
       <version>20161106</version>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>com.googlecode.lanterna</groupId>
-      <artifactId>lanterna</artifactId>
-      <version>3.0.0-rc1</version>
-    </dependency>
     <dependency>
       <groupId>com.github.stefanbirkner</groupId>
       <artifactId>system-rules</artifactId>
       <version>1.16.1</version>
       <scope>test</scope>
     </dependency>
-    <dependency>
-    	<groupId>org.hamcrest</groupId>
-    	<artifactId>hamcrest-all</artifactId>
-    	<scope>test</scope>
-    	<version>1.3</version>
-    </dependency>
   </dependencies>
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

src/terminal/LispTerminal.java

@@ -107,7 +107,7 @@ public class LispTerminal {
     }
 
     private void processNextKey() {
-        KeyStroke keyStroke = getKeyStroke();
+        KeyStroke keyStroke = terminal.pollInput();
 
         if (keyStroke != null)
             handleKey(keyStroke);
@@ -115,19 +115,6 @@ public class LispTerminal {
             takeNap();
     }
 
-    private KeyStroke getKeyStroke() {
-        KeyStroke keyStroke = null;
-
-        // issue #299
-        try {
-            keyStroke = terminal.pollInput();
-        } catch (IllegalStateException e) {
-            doControlC();
-        }
-
-        return keyStroke;
-    }
-
     private synchronized void handleKey(KeyStroke keyStroke) {
         doKey(keyStroke);
         terminal.flush();
@@ -148,20 +135,10 @@ public class LispTerminal {
     }
 
     private synchronized void doControlCharacter(KeyStroke keyStroke) {
-        if (keyStroke.getCharacter() == 'c')
+        if (keyStroke.getCharacter() == 'd')
-            doControlC();
-        else if (keyStroke.getCharacter() == 'd')
             doControlD();
     }
 
-    private synchronized void doControlC() {
-        moveCursorToEndOfInput();
-        terminal.putCharacter('\n');
-        inputLine = "";
-        setOriginToCurrentPosition();
-        stop();
-    }
-
     private synchronized void doControlD() {
         doEnter();
         stop();

test/terminal/LispTerminalTest.java

@@ -231,16 +231,6 @@ public class LispTerminalTest {
         terminal.assertInputWritten("control-d\n");
     }
 
-    @Test
-    public void controlCWorks() {
-        terminal.enterCharacters("ctrl-c");
-        terminal.enterControlCharacter('c');
-        terminal.produceOutput("");
-        terminal.assertInputStreamClosed();
-        terminal.assertInputWritten("");
-        terminal.assertScreenText("ctrl-c   ", "         ");
-    }
-
     @Test
     public void controlDWorksInMiddleOfInput() {
         terminal.enterCharacters("control-d");