fix #25 - remap alt key and meta key

Author: john-hu

Mouth/.idea/misc.xml

@@ -22,6 +22,16 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <receiver
+            android:name=".DummyInputDeviceReceiver"
+            android:label="@string/keyboard_layouts_label">
+            <intent-filter>
+                <action android:name="android.hardware.input.action.QUERY_KEYBOARD_LAYOUTS" />
+            </intent-filter>
+            <meta-data
+                android:name="android.hardware.input.metadata.KEYBOARD_LAYOUTS"
+                android:resource="@xml/shun_feng_er_map" />
+        </receiver>
     </application>
 
 </manifest>

Mouth/app/src/main/AndroidManifest.xml

@@ -0,0 +1,15 @@
+package com.miidio.audio.client;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+/**
+ * This is a dummy Input Device Receiver for removing the warning of manifest file.
+ */
+public class DummyInputDeviceReceiver extends BroadcastReceiver {
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        // Do nothing
+    }
+}

Mouth/app/src/main/java/com/miidio/audio/client/DummyInputDeviceReceiver.java

@@ -71,8 +71,9 @@ public class PCKeyMapper {
         map.put(138, 119);//F8
         map.put(139, 120);//F9
         map.put(140, 121);//F10
-        map.put(141, 122);//F11
-        map.put(142, 123);//F12
+//        We use F11 and F12 to replace meta and alt for overriding android shortcuts.
+//        map.put(141, 122);//F11
+//        map.put(142, 123);//F12
         map.put(120, 154);//SRNPRT
         map.put(116, 145);//SCROLLLOCK
         map.put(121, 19);//PAUSE
@@ -111,14 +112,16 @@ public class PCKeyMapper {
 //        map.put(25, ??);//VOLUME_DOWN
         map.put(158, 44);//NUMPAD_COMMA
         map.put(76, 111);//DIVIDE
-        map.put(57, 18);//LEFTALT
-        map.put(58, 18);//RIGHTALT
+//        map.put(57, 18);//LEFTALT
+//        map.put(58, 18);//RIGHTALT
+        map.put(141, 18);// remap F11 to alt, that's on purpose
         map.put(59, 16);//LEFTSHIFT
         map.put(60, 16);//RIGHTSHIFT
         map.put(113, 17);//LEFTCTRL
         map.put(114, 17);//RIGHTCTRL
-        map.put(117, 157);//LEFTMETA
-        map.put(118, 157);//RIGHTMETA
+//        map.put(117, 157);//LEFTMETA
+//        map.put(118, 157);//RIGHTMETA
+        map.put(142, 157);// remap F12 to meta, that's on purpose
     }
 
     public static int get(int key) {

Mouth/app/src/main/java/com/miidio/audio/client/PCKeyMapper.java

@@ -0,0 +1,11 @@
+# Remap some shortcuts to nothing
+# UTF-8 encoded
+type OVERLAY
+
+# remap meta key
+map key 125 F12
+map key 126 F12
+
+# remap alt key
+map key 56  F11
+map key 100 F11

Mouth/app/src/main/res/raw/shun_feng_er_layout.kcm

@@ -11,4 +11,5 @@
     <string name="status_connected">Connected to %1$s</string>
     <string name="status_error_no_address">Please specify IP or DNS before connect.</string>
     <string name="label_password">Password:</string>
+    <string name="keyboard_layouts_label">Remap meta and alt keys</string>
 </resources>

Mouth/app/src/main/res/values/strings.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<keyboard-layouts xmlns:android="http://schemas.android.com/apk/res/android">
+    <keyboard-layout
+        android:name="shun_feng_er_map"
+        android:keyboardLayout="@raw/shun_feng_er_layout"
+        android:label="@string/app_name" />
+</keyboard-layouts>