Hide the input switching key if it's not needed

Android has a new way of switching between input methods and this key
need to be hidden in most cases.

4 files changed, 23 insertions, 5 deletions

diff --git a/srcs/juloo.keyboard2/Config.java b/srcs/juloo.keyboard2/Config.java
index 20e0311..366cc0c 100644
--- a/srcs/juloo.keyboard2/Config.java
+++ b/srcs/juloo.keyboard2/Config.java
@@ -24,6 +24,8 @@ class Config
 	public float				horizontalMargin;
   public boolean      disableAccentKeys;
 
+  public boolean shouldOfferSwitchingToNextInputMethod;
+
 	public Config(Keyboard2 context)
 	{
 		Resources			res = context.getResources();
@@ -46,6 +48,8 @@ class Config
     disableAccentKeys = false;
 		// from prefs
 		refresh();
+    // initialized later
+    shouldOfferSwitchingToNextInputMethod = false;
 	}
 
 	/*
diff --git a/srcs/juloo.keyboard2/Keyboard2.java b/srcs/juloo.keyboard2/Keyboard2.java
index f4226f6..f94ef3a 100644
--- a/srcs/juloo.keyboard2/Keyboard2.java
+++ b/srcs/juloo.keyboard2/Keyboard2.java
@@ -100,6 +100,7 @@ public class Keyboard2 extends InputMethodService
 	public void				onStartInputView(EditorInfo info, boolean restarting)
 	{
     InputMethodManager imm = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
+    _config.shouldOfferSwitchingToNextInputMethod = imm.shouldOfferSwitchingToNextInputMethod(getCurrentInputBinding().getConnectionToken());
     refreshSubtype(imm.getCurrentInputMethodSubtype());
 		if ((info.inputType & InputType.TYPE_CLASS_NUMBER) != 0)
       _keyboardView.setKeyboard(getLayout(R.xml.numeric));
@@ -156,7 +157,7 @@ public class Keyboard2 extends InputMethodService
 		{
 			InputMethodManager	imm = (InputMethodManager)getSystemService(INPUT_METHOD_SERVICE);
 
-			imm.switchToNextInputMethod(getWindow().getWindow().getAttributes().token, false);
+			imm.switchToNextInputMethod(getCurrentInputBinding().getConnectionToken(), false);
 		}
 		else if ((flags & (KeyValue.FLAG_CTRL | KeyValue.FLAG_ALT)) != 0)
 			handleMetaKeyUp(key, flags);
diff --git a/srcs/juloo.keyboard2/Keyboard2View.java b/srcs/juloo.keyboard2/Keyboard2View.java
index ccbbb7e..1dbfb87 100644
--- a/srcs/juloo.keyboard2/Keyboard2View.java
+++ b/srcs/juloo.keyboard2/Keyboard2View.java
@@ -83,12 +83,13 @@ public class Keyboard2View extends View
 		return (paint);
 	}
 
-	public void			setKeyboard(KeyboardData keyboard)
+	public void			setKeyboard(KeyboardData kw)
 	{
+    if (!_config.shouldOfferSwitchingToNextInputMethod)
+      kw = kw.removeKeys(new KeyboardData.RemoveKeysByEvent(KeyValue.EVENT_CHANGE_METHOD));
     if (_config.disableAccentKeys)
-      _keyboard = keyboard.removeKeys(new KeyboardData.RemoveKeysByFlags(KeyValue.FLAGS_ACCENTS));
-    else
-      _keyboard = keyboard;
+      kw = kw.removeKeys(new KeyboardData.RemoveKeysByFlags(KeyValue.FLAGS_ACCENTS));
+    _keyboard = kw;
 		reset();
 	}
 
diff --git a/srcs/juloo.keyboard2/KeyboardData.java b/srcs/juloo.keyboard2/KeyboardData.java
index 000c7e0..c137af2 100644
--- a/srcs/juloo.keyboard2/KeyboardData.java
+++ b/srcs/juloo.keyboard2/KeyboardData.java
@@ -171,4 +171,16 @@ class KeyboardData
       return (k == null || (k.getFlags() & _flags) != 0) ? null : k;
     }
   }
+
+  public static class RemoveKeysByEvent implements MapKeys
+  {
+    private final int _eventCode;
+
+    public RemoveKeysByEvent(int ev) { _eventCode = ev; }
+
+    public KeyValue map(KeyValue k)
+    {
+      return (k == null || k.getEventCode() == _eventCode) ? null : k;
+    }
+  }
 }