fix eclipse warnings

[fanfix.git] / src / jexer / tterminal / ECMA48.java

diff --git a/src/jexer/tterminal/ECMA48.java b/src/jexer/tterminal/ECMA48.java
index 017c3c7f1df6b6b347f1f862d9151de06231ce35..22867e1d1c6e7c45e549dfdfc55999940e6aee53 100644 (file)
--- a/src/jexer/tterminal/ECMA48.java
+++ b/src/jexer/tterminal/ECMA48.java
@@ -179,7 +179,7 @@ public class ECMA48 implements Runnable {
      * @param deviceType DeviceType.VT100, DeviceType, XTERM, etc.
      * @param baseLang a base language without UTF-8 flag such as "C" or
      * "en_US"
-     * @return "LANG=en_US", "LANG=en_US.UTF-8", etc.
+     * @return "en_US", "en_US.UTF-8", etc.
      */
     public static String deviceTypeLang(final DeviceType deviceType,
         final String baseLang) {
@@ -690,6 +690,15 @@ public class ECMA48 implements Runnable {
     private boolean columns132 = false;
 
     /**
+     * Get 132 columns value.
+     *
+     * @return if true, the terminal is in 132 column mode
+     */
+    public final boolean isColumns132() {
+                return columns132;
+        }
+
+        /**
      * true = reverse video.  Set by DECSCNM.
      */
     private boolean reverseVideo = false;
@@ -891,7 +900,7 @@ public class ECMA48 implements Runnable {
      * @param type one of the DeviceType constants to select VT100, VT102,
      * VT220, or XTERM
      * @param inputStream an InputStream connected to the remote side.  For
-     * type == XTERM, inputStrem is converted to a Reader with UTF-8
+     * type == XTERM, inputStream is converted to a Reader with UTF-8
      * encoding.
      * @param outputStream an OutputStream connected to the remote user.  For
      * type == XTERM, outputStream is converted to a Writer with UTF-8
@@ -978,7 +987,6 @@ public class ECMA48 implements Runnable {
      * Handle a linefeed.
      */
     private void linefeed() {
-        int i;
 
         if (currentState.cursorY < scrollRegionBottom) {
             // Increment screen y
@@ -3307,17 +3315,31 @@ public class ECMA48 implements Runnable {
      * DECSTBM - Set top and bottom margins.
      */
     private void decstbm() {
-        int top = getCsiParam(0, 1, 1, height) - 1;
-        int bottom = getCsiParam(1, height, 1, height) - 1;
+        boolean decPrivateModeFlag = false;
 
-        if (top > bottom) {
-            top = bottom;
+        for (int i = 0; i < collectBuffer.length(); i++) {
+            if (collectBuffer.charAt(i) == '?') {
+                decPrivateModeFlag = true;
+                break;
+            }
         }
-        scrollRegionTop = top;
-        scrollRegionBottom = bottom;
+        if (decPrivateModeFlag) {
+            // This could be restore DEC private mode values.
+            // Ignore it.
+        } else {
+            // DECSTBM
+            int top = getCsiParam(0, 1, 1, height) - 1;
+            int bottom = getCsiParam(1, height, 1, height) - 1;
 
-        // Home cursor
-        cursorPosition(0, 0);
+            if (top > bottom) {
+                top = bottom;
+            }
+            scrollRegionTop = top;
+            scrollRegionBottom = bottom;
+
+            // Home cursor
+            cursorPosition(0, 0);
+        }
     }
 
     /**
@@ -3683,7 +3705,7 @@ public class ECMA48 implements Runnable {
      *
      * @param ch character from the remote side
      */
-    public void consume(char ch) {
+    private void consume(char ch) {
 
         // DEBUG
         // System.err.printf("%c", ch);