From 535793fcf89eb5ceae0e80cf2679bb16e9d5f212 Mon Sep 17 00:00:00 2001
From: Makoto Shimazu <shimazu@google.com>
Date: Tue, 11 Sep 2018 10:23:58 +0900
Subject: [PATCH 1/2] Read ANSI escape codes by KeyboardRecorderFromConsole

---
 mozc-nazoru/src/nazoru/bluetooth.py         |  3 +++
 mozc-nazoru/src/nazoru/keyboard_recorder.py | 26 +++++++++++++++++++--
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/mozc-nazoru/src/nazoru/bluetooth.py b/mozc-nazoru/src/nazoru/bluetooth.py
index db0418a..3f900ae 100644
--- a/mozc-nazoru/src/nazoru/bluetooth.py
+++ b/mozc-nazoru/src/nazoru/bluetooth.py
@@ -54,4 +54,7 @@ class Bluetooth():
     if cmd not in self.UART_CODES:
       print('Unknown Command: {}'.format(cmd))
       return
+    if self._dummy:
+      print('bluetooth: command({})'.format(cmd))
+      return
     self.send(struct.pack('b', self.UART_CODES[cmd]))
diff --git a/mozc-nazoru/src/nazoru/keyboard_recorder.py b/mozc-nazoru/src/nazoru/keyboard_recorder.py
index c889797..6c489e4 100644
--- a/mozc-nazoru/src/nazoru/keyboard_recorder.py
+++ b/mozc-nazoru/src/nazoru/keyboard_recorder.py
@@ -73,6 +73,24 @@ class KeyboardRecorderFromConsole(KeyboardRecorder):
     KeyboardRecorder.__init__(self, verbose)
     self.log('Input from console')
 
+  def _read_ansi_escape(self):
+    seq = sys.stdin.read(1)
+    if seq == '[':
+      code = sys.stdin.read(1)
+      self.log('CSI code: {}'.format(code))
+      if code == 'A':
+        return (None, 'KEY_UP')
+      if code == 'B':
+        return (None, 'KEY_DOWN')
+      if code == 'C':
+        return (None, 'KEY_RIGHT')
+      if code == 'D':
+        return (None, 'KEY_LEFT')
+      self.log('it was unknown code...')
+    else:
+      self.log('unknown seq: {}'.format(seq))
+    return (None, None)
+
   def record(self):
     """
     Returns a tuple of |data| and |command|.
@@ -93,8 +111,12 @@ class KeyboardRecorderFromConsole(KeyboardRecorder):
           key = None
         finally:
           now = datetime.datetime.now()
-        if key == '\n':
-          return (None, None)
+        if key == '\x1b':
+          return self._read_ansi_escape();
+        elif key == '\n':
+          return (None, 'KEY_ENTER')
+        elif key == '\b' or key == '\x7f':
+          return (None, 'KEY_BACKSPACE')
         elif key:
           if not recording:
             recording = True

From 8ced8527c93c4c1af5255f5e960ddd36ec0e5c14 Mon Sep 17 00:00:00 2001
From: Makoto Shimazu <shimazu@google.com>
Date: Tue, 11 Sep 2018 10:46:27 +0900
Subject: [PATCH 2/2] Add DELETE

---
 mozc-nazoru/src/nazoru/bluetooth.py         |  1 +
 mozc-nazoru/src/nazoru/keyboard_recorder.py | 13 +++++++++++--
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/mozc-nazoru/src/nazoru/bluetooth.py b/mozc-nazoru/src/nazoru/bluetooth.py
index 3f900ae..aa917e3 100644
--- a/mozc-nazoru/src/nazoru/bluetooth.py
+++ b/mozc-nazoru/src/nazoru/bluetooth.py
@@ -42,6 +42,7 @@ class Bluetooth():
   # See http://ww1.microchip.com/downloads/en/DeviceDoc/bluetooth_cr_UG-v1.0r.pdf
   # for detail.
   UART_CODES = {
+    'KEY_DELETE': 4,
     'KEY_RIGHT': 7,
     'KEY_BACKSPACE': 8,
     'KEY_ENTER': 10,
diff --git a/mozc-nazoru/src/nazoru/keyboard_recorder.py b/mozc-nazoru/src/nazoru/keyboard_recorder.py
index 6c489e4..ea64aef 100644
--- a/mozc-nazoru/src/nazoru/keyboard_recorder.py
+++ b/mozc-nazoru/src/nazoru/keyboard_recorder.py
@@ -76,8 +76,13 @@ class KeyboardRecorderFromConsole(KeyboardRecorder):
   def _read_ansi_escape(self):
     seq = sys.stdin.read(1)
     if seq == '[':
+      # CSI code
+      # ['\e', '[', Rep (optional), Code]
       code = sys.stdin.read(1)
-      self.log('CSI code: {}'.format(code))
+      rep = 1
+      if code.isdigit():
+        rep = int(code)
+        code = sys.stdin.read(1)
       if code == 'A':
         return (None, 'KEY_UP')
       if code == 'B':
@@ -86,7 +91,11 @@ class KeyboardRecorderFromConsole(KeyboardRecorder):
         return (None, 'KEY_RIGHT')
       if code == 'D':
         return (None, 'KEY_LEFT')
-      self.log('it was unknown code...')
+      if code == '~':
+        if rep == 3:
+          return (None, 'KEY_DELETE')
+      self.log('it was unknown code: ' +
+               'rep={}, code={}'.format(rep, code))
     else:
       self.log('unknown seq: {}'.format(seq))
     return (None, None)