From 157b17bc041925d7a187f90e7a352dd915823c48 Mon Sep 17 00:00:00 2001
From: Kenny Root <kenny@the-b.org>
Date: Mon, 15 Jun 2009 22:08:03 +0000
Subject: Add configurable backspace key

git-svn-id: https://connectbot.googlecode.com/svn/trunk/connectbot@303 df292f66-193f-0410-a5fc-6d59da041ff2
---
 res/values/arrays.xml                              | 14 ++++++-------
 res/values/strings.xml                             | 10 ++++++++++
 res/xml/host_prefs.xml                             | 10 ++++++++--
 .../nullwire/trace/DefaultExceptionHandler.java    |  1 +
 src/de/mud/terminal/vt320.java                     | 23 +++++++++++++++++++++-
 src/org/connectbot/bean/HostBean.java              |  8 ++++++++
 src/org/connectbot/service/TerminalBridge.java     |  8 ++++++++
 src/org/connectbot/util/HostDatabase.java          | 14 +++++++++++--
 8 files changed, 75 insertions(+), 13 deletions(-)

diff --git a/res/values/arrays.xml b/res/values/arrays.xml
index 0b43279..ef89423 100644
--- a/res/values/arrays.xml
+++ b/res/values/arrays.xml
@@ -97,16 +97,14 @@
 		<item>Keyboard</item>
 	</string-array>
 
-	<string-array name="list_encodings">
-		<item>ASCII</item>
-		<item>ISO 8859-1</item>
-		<item>UTF-8</item>
+	<string-array name="list_delkey">
+		<item>@string/list_delkey_del</item>
+		<item>@string/list_delkey_backspace</item>
 	</string-array>
 
-	<string-array name="list_encodings_value">
-		<item>ASCII</item>
-		<item>ISO8859_1</item>
-		<item>UTF-8</item>
+	<string-array name="list_delkey_values">
+		<item>del</item>
+		<item>backspace</item>
 	</string-array>
 
 </resources>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index e076ab6..c29b15c 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -229,6 +229,11 @@
 	<!-- Summary for field asking whether a shell session should be started up upon connection or not -->
 	<string name="hostpref_wantsession_summary">Disable this preference to only use port forwards</string>
 
+	<!-- Setting for what key code is sent to the server when DEL key is pressed. -->
+	<string name="hostpref_delkey_title">DEL Key</string>
+	<!-- Summary for field asking what key code is sent to the server when DEL key is pressed. -->
+	<string name="hostpref_delkey_summary">The key code sent when DEL key is pressed</string>
+
 	<!-- Host character encoding preference title -->
 	<string name="hostpref_encoding_title">Encoding</string>
 	<!-- Host character encoding preference summary -->
@@ -327,6 +332,11 @@
 	<!-- Selection to indicate pressing the Camera button should send nothing at all. -->
 	<string name="list_camera_none">None</string>
 
+	<!-- Name for the backspace character -->
+	<string name="list_delkey_backspace">Backspace</string>
+	<!-- Name for the ASCII DEL character -->
+	<string name="list_delkey_del">Delete</string>
+
 	<string name="delete_message">Are you sure you want to delete '%1$s'?</string>
 	<string name="delete_pos">Yes, delete</string>
 	<string name="delete_neg">Cancel</string>
diff --git a/res/xml/host_prefs.xml b/res/xml/host_prefs.xml
index d57f2ef..22b056c 100644
--- a/res/xml/host_prefs.xml
+++ b/res/xml/host_prefs.xml
@@ -62,12 +62,18 @@
 		android:summary="@string/hostpref_wantsession_summary"
 		/>
 
+	<ListPreference
+		android:key="delkey"
+		android:title="@string/hostpref_delkey_title"
+		android:summary="@string/hostpref_delkey_summary"
+		android:entries="@array/list_delkey"
+		android:entryValues="@array/list_delkey_values"
+		/>
+
 	<ListPreference
 		android:key="encoding"
 		android:title="@string/hostpref_encoding_title"
 		android:summary="@string/hostpref_encoding_summary"
-		android:entries="@array/list_encodings"
-		android:entryValues="@array/list_encodings_value"
 		/>
 	
 	<PreferenceCategory
diff --git a/src/com/nullwire/trace/DefaultExceptionHandler.java b/src/com/nullwire/trace/DefaultExceptionHandler.java
index e475888..66a79bd 100644
--- a/src/com/nullwire/trace/DefaultExceptionHandler.java
+++ b/src/com/nullwire/trace/DefaultExceptionHandler.java
@@ -42,5 +42,6 @@ public class DefaultExceptionHandler implements UncaughtExceptionHandler {
 		Log.d(TAG, result.toString());
 		// FlurryAgent session has ended
 		t.getThreadGroup().destroy();
+//		Thread.getDefaultUncaughtExceptionHandler().uncaughtException(t, e);
 	}
 }
diff --git a/src/de/mud/terminal/vt320.java b/src/de/mud/terminal/vt320.java
index 0e92523..e962400 100644
--- a/src/de/mud/terminal/vt320.java
+++ b/src/de/mud/terminal/vt320.java
@@ -206,7 +206,12 @@ public void setScreenSize(int c, int r, boolean broadcast) {
       BackSpace[2] = "\u0018";	//  VMS control deletes line back
       BackSpace[0] = BackSpace[3] = "\u007f";	//  VMS other is delete
     } else {
-      BackSpace[0] = BackSpace[1] = BackSpace[2] = BackSpace[3] = "\b";
+      //BackSpace[0] = BackSpace[1] = BackSpace[2] = BackSpace[3] = "\b";
+      // ConnectBot modifications.
+      BackSpace[0] = "\b";
+      BackSpace[1] = "\u007f";
+      BackSpace[2] = "\u001b[3~";
+      BackSpace[3] = "\u001b[2~";
     }
 
     /* some more VT100 keys */
@@ -286,6 +291,19 @@ public void setScreenSize(int c, int r, boolean broadcast) {
     NUMDot[0] = ".";
   }
 
+  public void setBackspace(int type) {
+    switch (type) {
+    case DELETE_IS_DEL:
+      BackSpace[0] = "\u007f";
+      BackSpace[1] = "\b";
+      break;
+    case DELETE_IS_BACKSPACE:
+      BackSpace[0] = "\b";
+      BackSpace[1] = "\u007f";
+      break;
+    }
+  }
+
   /**
    * Create a default vt320 terminal with 80 columns and 24 lines.
    */
@@ -648,6 +666,9 @@ public void setScreenSize(int c, int r, boolean broadcast) {
   public final static int KEY_ADD = 42;
   public final static int KEY_ESCAPE = 43;
 
+  public final static int DELETE_IS_DEL = 0;
+  public final static int DELETE_IS_BACKSPACE = 1;
+
   /* The graphics charsets
    * B - default ASCII
    * A - ISO Latin 1
diff --git a/src/org/connectbot/bean/HostBean.java b/src/org/connectbot/bean/HostBean.java
index 3dcdee5..f1be4a3 100644
--- a/src/org/connectbot/bean/HostBean.java
+++ b/src/org/connectbot/bean/HostBean.java
@@ -44,6 +44,7 @@ public class HostBean extends AbstractBean {
 	private String postLogin = null;
 	private long pubkeyId = -1;
 	private boolean wantSession = true;
+	private String delKey = HostDatabase.DELKEY_DEL;
 	private boolean compression = false;
 	private String encoding = HostDatabase.ENCODING_DEFAULT;
 
@@ -157,6 +158,12 @@ public class HostBean extends AbstractBean {
 	public boolean getWantSession() {
 		return wantSession;
 	}
+	public void setDelKey(String delKey) {
+		this.delKey = delKey;
+	}
+	public String getDelKey() {
+		return delKey;
+	}
 	public void setCompression(boolean compression) {
 		this.compression = compression;
 	}
@@ -198,6 +205,7 @@ public class HostBean extends AbstractBean {
 		values.put(HostDatabase.FIELD_HOST_POSTLOGIN, postLogin);
 		values.put(HostDatabase.FIELD_HOST_PUBKEYID, pubkeyId);
 		values.put(HostDatabase.FIELD_HOST_WANTSESSION, Boolean.toString(wantSession));
+		values.put(HostDatabase.FIELD_HOST_DELKEY, delKey);
 		values.put(HostDatabase.FIELD_HOST_COMPRESSION, Boolean.toString(compression));
 		values.put(HostDatabase.FIELD_HOST_ENCODING, encoding);
 
diff --git a/src/org/connectbot/service/TerminalBridge.java b/src/org/connectbot/service/TerminalBridge.java
index 728e7eb..27edd2b 100644
--- a/src/org/connectbot/service/TerminalBridge.java
+++ b/src/org/connectbot/service/TerminalBridge.java
@@ -29,6 +29,7 @@ import org.connectbot.bean.PortForwardBean;
 import org.connectbot.bean.SelectionArea;
 import org.connectbot.transport.AbsTransport;
 import org.connectbot.transport.TransportFactory;
+import org.connectbot.util.HostDatabase;
 import org.connectbot.util.PreferenceConstants;
 
 import android.content.Context;
@@ -362,6 +363,11 @@ public class TerminalBridge implements VDUDisplay, OnKeyListener {
 		// "screen" works the best for color and escape codes
 		((vt320) buffer).setAnswerBack(emulation);
 
+		if (HostDatabase.DELKEY_BACKSPACE.equals(host.getDelKey()))
+			((vt320) buffer).setBackspace(vt320.DELETE_IS_BACKSPACE);
+		else
+			((vt320) buffer).setBackspace(vt320.DELETE_IS_DEL);
+
 		// create thread to relay incoming connection data to buffer
 		relay = new Relay(this, transport, (vt320) buffer, host.getEncoding());
 		Thread relayThread = new Thread(relay);
@@ -530,6 +536,8 @@ public class TerminalBridge implements VDUDisplay, OnKeyListener {
 						key -= 0x40;
 					else if (key == 0x20)
 						key = 0x00;
+					else if (key == 0x3F)
+						key = 0x7F;
 
 					metaState &= ~META_CTRL_ON;
 
diff --git a/src/org/connectbot/util/HostDatabase.java b/src/org/connectbot/util/HostDatabase.java
index d2586c0..f8a4e3f 100644
--- a/src/org/connectbot/util/HostDatabase.java
+++ b/src/org/connectbot/util/HostDatabase.java
@@ -18,8 +18,8 @@
 
 package org.connectbot.util;
 
-import java.util.Iterator;
 import java.nio.charset.Charset;
+import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
@@ -49,7 +49,7 @@ public class HostDatabase extends SQLiteOpenHelper {
 	public final static String TAG = "ConnectBot.HostDatabase";
 
 	public final static String DB_NAME = "hosts";
-	public final static int DB_VERSION = 16;
+	public final static int DB_VERSION = 17;
 
 	public final static String TABLE_HOSTS = "hosts";
 	public final static String FIELD_HOST_NICKNAME = "nickname";
@@ -65,6 +65,7 @@ public class HostDatabase extends SQLiteOpenHelper {
 	public final static String FIELD_HOST_POSTLOGIN = "postlogin";
 	public final static String FIELD_HOST_PUBKEYID = "pubkeyid";
 	public final static String FIELD_HOST_WANTSESSION = "wantsession";
+	public final static String FIELD_HOST_DELKEY = "delkey";
 	public final static String FIELD_HOST_COMPRESSION = "compression";
 	public final static String FIELD_HOST_ENCODING = "encoding";
 
@@ -86,6 +87,9 @@ public class HostDatabase extends SQLiteOpenHelper {
 	public final static String PORTFORWARD_DYNAMIC4 = "dynamic4";
 	public final static String PORTFORWARD_DYNAMIC5 = "dynamic5";
 
+	public final static String DELKEY_DEL = "del";
+	public final static String DELKEY_BACKSPACE = "backspace";
+
 	public final static String ENCODING_DEFAULT = Charset.defaultCharset().name();
 
 	public final static long PUBKEYID_NEVER = -2;
@@ -115,6 +119,7 @@ public class HostDatabase extends SQLiteOpenHelper {
 				+ FIELD_HOST_USEKEYS + " TEXT, "
 				+ FIELD_HOST_POSTLOGIN + " TEXT, "
 				+ FIELD_HOST_PUBKEYID + " INTEGER DEFAULT " + PUBKEYID_ANY + ", "
+				+ FIELD_HOST_DELKEY + " TEXT DEFAULT '" + DELKEY_DEL + "', "
 				+ FIELD_HOST_WANTSESSION + " TEXT DEFAULT '" + Boolean.toString(true) + "', "
 				+ FIELD_HOST_COMPRESSION + " TEXT DEFAULT '" + Boolean.toString(false) + "', "
 				+ FIELD_HOST_ENCODING + " TEXT DEFAULT '" + ENCODING_DEFAULT + "')");
@@ -165,6 +170,9 @@ public class HostDatabase extends SQLiteOpenHelper {
 			case 15:
 				db.execSQL("ALTER TABLE " + TABLE_HOSTS
 						+ " ADD COLUMN " + FIELD_HOST_PROTOCOL + " TEXT DEFAULT 'ssh'");
+			case 16:
+				db.execSQL("ALTER TABLE " + TABLE_HOSTS
+						+ " ADD COLUMN " + FIELD_HOST_DELKEY + " TEXT DEFAULT '" + DELKEY_DEL + "'");
 			}
 		} catch (SQLiteException e) {
 			// The database has entered an unknown state. Try to recover.
@@ -316,6 +324,7 @@ public class HostDatabase extends SQLiteOpenHelper {
 			COL_POSTLOGIN = c.getColumnIndexOrThrow(FIELD_HOST_POSTLOGIN),
 			COL_PUBKEYID = c.getColumnIndexOrThrow(FIELD_HOST_PUBKEYID),
 			COL_WANTSESSION = c.getColumnIndexOrThrow(FIELD_HOST_WANTSESSION),
+			COL_DELKEY = c.getColumnIndexOrThrow(FIELD_HOST_DELKEY),
 			COL_COMPRESSION = c.getColumnIndexOrThrow(FIELD_HOST_COMPRESSION),
 			COL_ENCODING = c.getColumnIndexOrThrow(FIELD_HOST_ENCODING);
 
@@ -334,6 +343,7 @@ public class HostDatabase extends SQLiteOpenHelper {
 			host.setPostLogin(c.getString(COL_POSTLOGIN));
 			host.setPubkeyId(c.getLong(COL_PUBKEYID));
 			host.setWantSession(Boolean.valueOf(c.getString(COL_WANTSESSION)));
+			host.setDelKey(c.getString(COL_DELKEY));
 			host.setCompression(Boolean.valueOf(c.getString(COL_COMPRESSION)));
 			host.setEncoding(c.getString(COL_ENCODING));
 
-- 
cgit v1.2.3