Add 'Power Off' event, causes kegsmain to exit.

jni/android_driver.c

@@ -471,7 +471,7 @@ int x_mouse_update(jclass mouse_class, jobject mouse_event) {
 }
 
 void x_key_special(int key_id) {
-  key_id = key_id & 0x7f;
+  key_id = key_id & 0x7f;  // only use lower 7 bits
   switch(key_id) {
     case 0:
     case 1:
@@ -480,6 +480,9 @@ void x_key_special(int key_id) {
       g_limit_speed = key_id;
       g_config_kegs_update_needed = 1;
       break;
+    case 120:
+      set_halt(HALT_WANTTOQUIT);  // request kegsmain to exit
+      break;
   }
 }
 

res/menu/options.xml

@@ -10,4 +10,6 @@
           android:title="@string/emulation_speed" />
     <item android:id="@+id/warm_reset"
           android:title="@string/warm_reset" />
+    <item android:id="@+id/power_off"
+          android:title="@string/power_off" />
 </menu>

res/values/strings.xml

@@ -29,4 +29,5 @@
   <string name="input_controls_show">Show Controls</string>
   <string name="emulation_speed">Emulation Speed</string>
   <string name="warm_reset">Warm Reset</string>
+  <string name="power_off">Power Off</string>
 </resources>

src/com/froop/app/kegs/KegsMain.java

@@ -108,6 +108,9 @@ public class KegsMain extends Activity implements KegsKeyboard.StickyReset {
       } else if (item_id == R.id.warm_reset) {
         mKegsView.doWarmReset();
         return true;
+      } else if (item_id == R.id.power_off) {
+        mKegsView.doPowerOff();
+        return true;
       }
       return false;
     }

src/com/froop/app/kegs/KegsView.java

@@ -147,6 +147,11 @@ class KegsView extends SurfaceView implements SurfaceHolder.Callback {
     mEventQueue.add(new Event.KeyKegsEvent(speed + 0x80, true));
   }
 
+  public void doPowerOff() {
+    // Special event, see android_driver.c:x_key_special()
+    mEventQueue.add(new Event.KeyKegsEvent(120 + 0x80, true));
+  }
+
   public void doWarmReset() {
     // Press keys down.
     mEventQueue.add(new Event.KeyKegsEvent(KegsKeyboard.KEY_OPEN_APPLE, false));