inactive virtual keys are now properly displayed as disabled

app/src/main/java/io/github/sspanak/tt9/ime/CommandHandler.java

@@ -70,7 +70,7 @@ abstract public class CommandHandler extends VoiceHandler {
 
 
 	public void addWord() {
-		if (mInputMode.isNumeric() || voiceInputOps.isListening()) {
+		if (voiceInputOps.isListening()) {
 			return;
 		}
 

app/src/main/java/io/github/sspanak/tt9/ime/MainViewHandler.java

@@ -2,6 +2,7 @@ package io.github.sspanak.tt9.ime;
 
 import androidx.annotation.Nullable;
 
+import io.github.sspanak.tt9.ime.modes.ModeABC;
 import io.github.sspanak.tt9.ime.voice.VoiceInputOps;
 import io.github.sspanak.tt9.languages.Language;
 import io.github.sspanak.tt9.preferences.settings.SettingsStore;
@@ -12,6 +13,10 @@ abstract public class MainViewHandler extends HotkeyHandler {
 		return mInputMode.getTextCase();
 	}
 
+	public boolean isInputModeABC() {
+		return mInputMode.getClass().equals(ModeABC.class);
+	}
+
 	public boolean isInputModeNumeric() {
 		return mInputMode.is123();
 	}
@@ -28,6 +33,10 @@ abstract public class MainViewHandler extends HotkeyHandler {
 		return mInputMode.is123() && inputType.isPhoneNumber();
 	}
 
+	public boolean isVoiceInputActive() {
+		return voiceInputOps != null && voiceInputOps.isListening();
+	}
+
 	public boolean isVoiceInputMissing() {
 		return !(new VoiceInputOps(this, null, null, null)).isAvailable();
 	}

app/src/main/java/io/github/sspanak/tt9/ime/VoiceHandler.java

@@ -57,6 +57,9 @@ abstract class VoiceHandler extends TypingHandler {
 
 
 	private void onVoiceInputStarted() {
+		if (!mainView.isCommandPaletteShown()) {
+			mainView.render(); // disable the function keys
+		}
 		statusBar.setText(voiceInputOps);
 	}
 
@@ -64,13 +67,16 @@ abstract class VoiceHandler extends TypingHandler {
 	private void onVoiceInputStopped(String text) {
 		onText(text, false);
 		resetStatus();
+		 if (!mainView.isCommandPaletteShown()) {
+			 mainView.render(); // re-enable the function keys
+		 }
 	}
 
 
 	private void onVoiceInputError(VoiceInputError error) {
 		if (error.isIrrelevantToUser()) {
 			Logger.i(LOG_TAG, "Ignoring voice input. " + error.debugMessage);
-			resetStatus();
+			resetStatus(); // re-enable the function keys
 		} else {
 			Logger.e(LOG_TAG, "Failed to listen. " + error.debugMessage);
 			statusBar.setError(error.toString());
@@ -78,5 +84,9 @@ abstract class VoiceHandler extends TypingHandler {
 				RequestPermissionDialog.show(this);
 			}
 		}
+
+		 if (!mainView.isCommandPaletteShown()) {
+			 mainView.render(); // re-enable the function keys
+		 }
 	}
 }

app/src/main/java/io/github/sspanak/tt9/ui/main/keys/SoftBackspaceKey.java

@@ -46,10 +46,14 @@ public class SoftBackspaceKey extends SoftKey {
 
 	@Override
 	protected String getTitle() {
+		if (tt9 != null) {
+			setEnabled(!tt9.isVoiceInputActive());
+		}
+
 		if (Characters.noEmojiSupported()) {
 			return "Del";
 		}
 
-		return LanguageKind.isRTL(tt9.getLanguage()) ? "⌦" : "⌫";
+		return LanguageKind.isRTL(tt9 != null ? tt9.getLanguage() : null) ? "⌦" : "⌫";
 	}
 }

app/src/main/java/io/github/sspanak/tt9/ui/main/keys/SoftFilterKey.java

@@ -39,4 +39,13 @@ public class SoftFilterKey extends SoftKey {
 	protected String getSubTitle() {
 		return "FLTR";
 	}
+
+
+	@Override
+	public void render() {
+		super.render();
+		if (tt9 != null) {
+			setEnabled(!tt9.isInputModeNumeric() && !tt9.isInputModeABC() && !tt9.isVoiceInputActive());
+		}
+	}
 }

app/src/main/java/io/github/sspanak/tt9/ui/main/keys/SoftInputModeKey.java

@@ -33,4 +33,12 @@ public class SoftInputModeKey extends SoftKey {
 	protected boolean handleRelease() {
 		return validateTT9Handler() && tt9.onKeyNextInputMode(false);
 	}
+
+	@Override
+	public void render() {
+		super.render();
+		if (tt9 != null) {
+			setEnabled(!tt9.isVoiceInputActive());
+		}
+	}
 }

app/src/main/java/io/github/sspanak/tt9/ui/main/keys/SoftKey.java

@@ -149,9 +149,7 @@ public class SoftKey extends androidx.appcompat.widget.AppCompatButton implement
 
 		int keyId = getId();
 
-		if (keyId == R.id.soft_key_add_word) { tt9.addWord(); return true; }
 		if (keyId == R.id.soft_key_command_palette) return tt9.onKeyCommandPalette(false);
-		if (keyId == R.id.soft_key_language) return tt9.onKeyNextLanguage(false);
 		if (keyId == R.id.soft_key_settings) { tt9.showSettings(); return true; }
 		if (keyId == R.id.soft_key_voice_input) { tt9.toggleVoiceInput(); return true; }
 
@@ -167,6 +165,12 @@ public class SoftKey extends androidx.appcompat.widget.AppCompatButton implement
 		return true;
 	}
 
+	@Override
+	public void setEnabled(boolean enabled) {
+		super.setEnabled(enabled);
+		setTextColor(getTextColors().withAlpha(enabled ? 255 : 80));
+	}
+
 	/**
 	 * getTitle
 	 * Generates the name of the key, for example: "OK", "Backspace", "1", etc...
@@ -186,7 +190,6 @@ public class SoftKey extends androidx.appcompat.widget.AppCompatButton implement
 		return null;
 	}
 
-
 	/**
 	 * render
 	 * Sets the key label using "getTitle()" and "getSubtitle()" or if they both

app/src/main/java/io/github/sspanak/tt9/ui/main/keys/SoftKeyAddWord.java

@@ -0,0 +1,27 @@
+package io.github.sspanak.tt9.ui.main.keys;
+
+import android.content.Context;
+import android.util.AttributeSet;
+
+public class SoftKeyAddWord extends SoftKey {
+	public SoftKeyAddWord(Context context) { super(context); }
+	public SoftKeyAddWord(Context context, AttributeSet attrs) { super(context, attrs); }
+	public SoftKeyAddWord(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); }
+
+	@Override
+	protected boolean handleRelease() {
+		if (validateTT9Handler()) {
+			tt9.addWord();
+			return true;
+		}
+		return false;
+	}
+
+	@Override
+	public void render() {
+		super.render();
+		if (tt9 != null) {
+			setEnabled(!tt9.isVoiceInputActive());
+		}
+	}
+}

app/src/main/java/io/github/sspanak/tt9/ui/main/keys/SoftKeyNextLanguage.java

@@ -0,0 +1,23 @@
+package io.github.sspanak.tt9.ui.main.keys;
+
+import android.content.Context;
+import android.util.AttributeSet;
+
+public class SoftKeyNextLanguage extends SoftKey {
+	public SoftKeyNextLanguage(Context context) { super(context); }
+	public SoftKeyNextLanguage(Context context, AttributeSet attrs) { super(context, attrs); }
+	public SoftKeyNextLanguage(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); }
+
+	@Override
+	protected boolean handleRelease() {
+		return validateTT9Handler() && tt9.onKeyNextLanguage(false);
+	}
+
+	@Override
+	public void render() {
+		super.render();
+		if (tt9 != null) {
+			setEnabled(!tt9.isInputModeNumeric() && !tt9.isVoiceInputActive());
+		}
+	}
+}

app/src/main/java/io/github/sspanak/tt9/ui/main/keys/SoftOkKey.java

@@ -29,4 +29,13 @@ public class SoftOkKey extends SoftKey {
 
 		return false;
 	}
+
+
+	@Override
+	public void render() {
+		super.render();
+		if (tt9 != null) {
+			setEnabled(!tt9.isVoiceInputActive());
+		}
+	}
 }

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

@@ -143,7 +143,7 @@
 			android:layoutDirection="ltr"
 			tools:ignore="HardcodedText">
 
-			<io.github.sspanak.tt9.ui.main.keys.SoftKey
+			<io.github.sspanak.tt9.ui.main.keys.SoftKeyAddWord
 				android:id="@+id/soft_key_add_word"
 				style="@android:style/Widget.Holo.Button.Borderless"
 				android:layout_width="0dp"
@@ -260,7 +260,7 @@
 			android:layoutDirection="ltr"
 			tools:ignore="HardcodedText">
 
-			<io.github.sspanak.tt9.ui.main.keys.SoftKey
+			<io.github.sspanak.tt9.ui.main.keys.SoftKeyNextLanguage
 				android:id="@+id/soft_key_language"
 				style="@android:style/Widget.Holo.Button.Borderless"
 				android:layout_width="0dp"