Add key dumping code (commented).

We might expose this as an advanced option later; for now just check it
in as a commented line for dev purposes.

2 files changed, 100 insertions, 0 deletions

diff --git a/src/org/connectbot/service/KeyEventUtil.java b/src/org/connectbot/service/KeyEventUtil.java
new file mode 100644
index 0000000..8ad645d
--- /dev/null
+++ b/src/org/connectbot/service/KeyEventUtil.java
@@ -0,0 +1,98 @@
+/*
+ * ConnectBot: simple, powerful, open-source SSH client for Android
+ * Copyright 2014 Torne Wuff
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.connectbot.service;
+
+import android.view.KeyEvent;
+
+public class KeyEventUtil {
+	static final char CONTROL_LIMIT = ' ';
+	static final char PRINTABLE_LIMIT = '\u007e';
+	static final char[] HEX_DIGITS = new char[] {
+		'0', '1', '2', '3', '4', '5', '6', '7',
+		'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
+	};
+
+	static String printableRepresentation(String source) {
+		if (source == null)
+			return null;
+
+		final StringBuilder sb = new StringBuilder();
+		final int limit = source.length();
+		char[] hexbuf = null;
+		int pointer = 0;
+
+		sb.append('"');
+		while (pointer < limit) {
+			int ch = source.charAt(pointer++);
+			switch (ch) {
+			case '\0':
+				sb.append("\\0");
+				break;
+			case '\t':
+				sb.append("\\t");
+				break;
+			case '\n':
+				sb.append("\\n");
+				break;
+			case '\r':
+				sb.append("\\r");
+				break;
+			case '\"':
+				sb.append("\\\"");
+				break;
+			case '\\':
+				sb.append("\\\\");
+				break;
+			default:
+				if (CONTROL_LIMIT <= ch && ch <= PRINTABLE_LIMIT) {
+					sb.append((char) ch);
+				} else {
+					sb.append("\\u");
+					if (hexbuf == null)
+						hexbuf = new char[4];
+					for (int offs = 4; offs > 0; ) {
+						hexbuf[--offs] = HEX_DIGITS[ch & 0xf];
+						ch >>>= 4;
+					}
+					sb.append(hexbuf, 0, 4);
+				}
+			}
+		}
+		return sb.append('"').toString();
+	}
+
+	public static String describeKeyEvent(int keyCode, KeyEvent event) {
+		StringBuilder d = new StringBuilder();
+		d.append("keyCode=").append(keyCode);
+		d.append(", keyCodeToString=").append(KeyEvent.keyCodeToString(keyCode));
+		d.append(", event.toString=").append(event.toString());
+		d.append(", action=").append(event.getAction());
+		d.append(", characters=").append(printableRepresentation(event.getCharacters()));
+		d.append(", deviceId=").append(event.getDeviceId());
+		d.append(", displayLabel=").append((int) event.getDisplayLabel());
+		d.append(", flags=0x").append(Integer.toHexString(event.getFlags()));
+		d.append(", printingKey=").append(event.isPrintingKey());
+		d.append(", keyCode=").append(event.getKeyCode());
+		d.append(", metaState=0x").append(Integer.toHexString(event.getMetaState()));
+		d.append(", modifiers=0x").append(Integer.toHexString(event.getModifiers()));
+		d.append(", number=").append((int) event.getNumber());
+		d.append(", scanCode=").append(event.getScanCode());
+		d.append(", source=").append(event.getSource());
+		d.append(", unicodeChar=").append(event.getUnicodeChar());
+		return d.toString();
+	}
+}
diff --git a/src/org/connectbot/service/TerminalKeyListener.java b/src/org/connectbot/service/TerminalKeyListener.java
index d242a00..7ff21df 100644
--- a/src/org/connectbot/service/TerminalKeyListener.java
+++ b/src/org/connectbot/service/TerminalKeyListener.java
@@ -168,6 +168,8 @@ public class TerminalKeyListener implements OnKeyListener, OnSharedPreferenceCha
 				return false;
 			}
 
+			//Log.i("CBKeyDebug", KeyEventUtil.describeKeyEvent(keyCode, event));
+
 			if (volumeKeysChangeFontSize) {
 				if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
 					bridge.increaseFontSize();