From 26c9bb3a573b236f009654903461e496410a4147 Mon Sep 17 00:00:00 2001
From: Michael Wright <michaelwr@google.com>
Date: Mon, 25 Feb 2013 20:56:53 -0800
Subject: Start hooking up keyboard input to view

Change-Id: I37fb55f8fadd79bf4f32f55bee83f879d4d90680
---
 src/com/android/terminal/TerminalKeys.java | 46 +++++++++++++++++++++++++---
 src/com/android/terminal/TerminalView.java | 49 ++++++++++++++++++++++++++++++
 2 files changed, 91 insertions(+), 4 deletions(-)

diff --git a/src/com/android/terminal/TerminalKeys.java b/src/com/android/terminal/TerminalKeys.java
index 5e88a20..e77085a 100644
--- a/src/com/android/terminal/TerminalKeys.java
+++ b/src/com/android/terminal/TerminalKeys.java
@@ -19,9 +19,11 @@ package com.android.terminal;
 import android.util.Log;
 import android.view.KeyCharacterMap;
 import android.view.KeyEvent;
+import android.view.View;
 
-public class TerminalKeys {
+public class TerminalKeys implements View.OnKeyListener {
     private static final String TAG = "TerminalKeys";
+    private static final boolean DEBUG = true;
     // Taken from vterm_input.h
     // TODO: Consider setting these via jni
     public static final int VTERM_KEY_NONE      = 0;
@@ -67,7 +69,9 @@ public class TerminalKeys {
     public static final int VTERM_MOD_ALT = 0x02;
     public static final int VTERM_MOD_CTRL = 0x04;
 
-    public static int getModifier(KeyEvent event) {
+    private Terminal mTerm;
+
+    public static int getModifiers(KeyEvent event) {
         int mod = 0;
         if (event.isCtrlPressed()) {
             mod |= VTERM_MOD_CTRL;
@@ -153,13 +157,47 @@ public class TerminalKeys {
         }
     }
 
-    public static int getCharacter(KeyEvent event) {
+    public int getCharacter(KeyEvent event) {
         int c = event.getUnicodeChar();
         // TODO: Actually support dead keys
         if ((c & KeyCharacterMap.COMBINING_ACCENT) != 0) {
             Log.w(TAG, "Received dead key, ignoring");
-            return VTERM_KEY_NONE;
+            return 0;
         }
         return c;
     }
+
+    public boolean onKey(View v, int keyCode, KeyEvent event) {
+        if (mTerm == null) return false;
+
+        int modifiers = getModifiers(event);
+
+        int c = getKey(event);
+        if (c != 0) {
+            mTerm.dispatchKey(modifiers, c);
+            if (DEBUG) {
+                Log.d(TAG, "dispatched key event: " +
+                        "mod=" + modifiers + ", " +
+                        "keys=" + getKeyName(keyCode));
+            }
+            return true;
+        }
+
+        c = getCharacter(event);
+        if (c != 0) {
+            mTerm.dispatchKey(modifiers, c);
+            if (DEBUG) {
+                Log.d(TAG, "dispatched key event: " +
+                        "mod=" + modifiers + ", " +
+                        "character='" + new String(Character.toChars(c)) + "'");
+            }
+            return true;
+        }
+
+        return false;
+    }
+
+    public void setTerminal(Terminal term) {
+        mTerm = term;
+    }
 }
diff --git a/src/com/android/terminal/TerminalView.java b/src/com/android/terminal/TerminalView.java
index 64aeabd..4764183 100644
--- a/src/com/android/terminal/TerminalView.java
+++ b/src/com/android/terminal/TerminalView.java
@@ -25,6 +25,10 @@ import android.graphics.Rect;
 import android.graphics.Typeface;
 import android.os.SystemClock;
 import android.util.Log;
+import android.view.inputmethod.BaseInputConnection;
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputConnection;
+import android.view.KeyEvent;
 import android.view.View;
 
 import com.android.terminal.Terminal.CellRun;
@@ -51,6 +55,8 @@ public class TerminalView extends View {
 
     private Terminal mTerm;
 
+    private TerminalKeys mTermKeys;
+
     private int mCharTop;
     private int mCharWidth;
     private int mCharHeight;
@@ -107,8 +113,17 @@ public class TerminalView extends View {
             @Override
             public void onClick(View v) {
                 v.invalidate();
+                v.requestFocus();
             }
         });
+
+        // Set view properties
+        setFocusable(true);
+        setFocusableInTouchMode(true);
+        setScrollContainer(true);
+
+        mTermKeys = new TerminalKeys();
+        setOnKeyListener(mTermKeys);
     }
 
     public void setTerminal(Terminal term) {
@@ -119,6 +134,7 @@ public class TerminalView extends View {
         mTerm = term;
         if (term != null) {
             term.setClient(mClient);
+            mTermKeys.setTerminal(term);
         }
         updateTerminalSize();
     }
@@ -235,4 +251,37 @@ public class TerminalView extends View {
         final long delta = SystemClock.elapsedRealtime() - start;
         if (LOGD) Log.d(TAG, "onDraw() took " + delta + "ms");
     }
+
+    @Override
+    public boolean onCheckIsTextEditor() {
+        return true;
+    }
+
+    @Override
+    public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
+        outAttrs.imeOptions |=
+            EditorInfo.IME_FLAG_NO_EXTRACT_UI |
+            EditorInfo.IME_FLAG_NO_ENTER_ACTION |
+            EditorInfo.IME_ACTION_NONE;
+        outAttrs.inputType = EditorInfo.TYPE_NULL;
+        return new BaseInputConnection(this, false) {
+            @Override
+            public boolean deleteSurroundingText (int leftLength, int rightLength) {
+                KeyEvent k;
+                if (rightLength == 0 && leftLength == 0) {
+                    k = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DEL);
+                    return this.sendKeyEvent(k);
+                }
+                for (int i = 0; i < leftLength; i++) {
+                    k = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DEL);
+                    this.sendKeyEvent(k);
+                }
+                for (int i = 0; i < rightLength; i++) {
+                    k = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_FORWARD_DEL);
+                    this.sendKeyEvent(k);
+                }
+                return true;
+            }
+        };
+    }
 }
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