Deleting selected text

app/src/main/java/cfpi_fpsi/eu/titanboard/TitanboardIME.java

@@ -1,5 +1,6 @@
 package cfpi_fpsi.eu.titanboard;
 
+import android.annotation.SuppressLint;
 import android.inputmethodservice.InputMethodService;
 import android.os.Build;
 import android.os.Vibrator;
@@ -96,9 +97,12 @@ public class TitanboardIME extends InputMethodService {
                 return false;
             // If it's the backspace key, we remove one character.
             case KeyEvent.KEYCODE_DEL:
-                conn.deleteSurroundingText(1, 0);
                 adjustMetaKeyStateAfterKeypress();
-                return true;
+                if (conn.getSelectedText(0) == null) {
+                    conn.deleteSurroundingText(1, 0);
+                    return true;
+                }
+                return false;
             case KeyEvent.KEYCODE_SPACE:
                 conn.commitText(" ", 1);
                 adjustMetaKeyStateAfterKeypress();
@@ -196,6 +200,9 @@ public class TitanboardIME extends InputMethodService {
         mMetaKeyLatched = MetaKey.NONE;
         mMetaKeyLocked = MetaKey.NONE;
         updateMetaStateTextView();
+        mInputView.findViewById(R.id.extra_view).setVisibility(View.GONE);
+        Button key = (Button) mInputView.findViewById(R.id.expand_button);
+        key.setText("▲");
     }
 
     private String getKey(int keyCode) {
@@ -216,6 +223,7 @@ public class TitanboardIME extends InputMethodService {
         }
     }
 
+    @SuppressLint("SetTextI18n")
     private void updateMetaStateTextView() {
         TextView stateView = mInputView.findViewById(R.id.state);
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {

app/src/main/res/layout/input.xml

@@ -41,7 +41,8 @@
             android:layout_width="10dp"
             android:layout_height="wrap_content"
             android:layout_weight="1"
-            android:text="aa" />
+            android:text="aa"
+            android:typeface="normal" />
 
     </LinearLayout>
 
@@ -240,6 +241,7 @@
             android:text="&amp;" />
 
         <Button
+            android:id="@+id/expand_button"
             style="@style/KeyboardKey"
             android:layout_width="wrap_content"
             android:layout_height="match_parent"

app/src/main/res/values/styles.xml

@@ -17,6 +17,7 @@
         <item name="android:textColor">#AAA</item>
         <item name="android:textSize">18sp</item>
         <item name="android:textAlignment">center</item>
+        <item name="android:typeface">monospace</item>
         <item name="android:layout_weight">1</item>
         <item name="android:width">0px</item>
     </style>