Fix Android input routing logic when using a hardware keyboard

When a hardware keyboard is connected, all key events come through so we can route them directly to the engine.
This is not the case for soft keyboards, for which the current logic was designed as it requires extra processing.

(cherry picked from commit 87102e358d)

platform/android/java/lib/src/org/godotengine/godot/input/GodotEditText.java

@@ -33,6 +33,7 @@ package org.godotengine.godot.input;
 import org.godotengine.godot.*;
 
 import android.content.Context;
+import android.content.res.Configuration;
 import android.os.Handler;
 import android.os.Message;
 import android.text.InputFilter;
@@ -209,6 +210,13 @@ public class GodotEditText extends EditText {
 			mRenderView.getView().requestFocus();
 		}
 
+		// When a hardware keyboard is connected, all key events come through so we can route them
+		// directly to the engine.
+		// This is not the case when using a soft keyboard, requiring extra processing from this class.
+		if (hasHardwareKeyboard()) {
+			return mRenderView.getInputHandler().onKeyDown(keyCode, keyEvent);
+		}
+
 		// pass event to godot in special cases
 		if (needHandlingInGodot(keyCode, keyEvent) && mRenderView.getInputHandler().onKeyDown(keyCode, keyEvent)) {
 			return true;
@@ -219,6 +227,13 @@ public class GodotEditText extends EditText {
 
 	@Override
 	public boolean onKeyUp(int keyCode, KeyEvent keyEvent) {
+		// When a hardware keyboard is connected, all key events come through so we can route them
+		// directly to the engine.
+		// This is not the case when using a soft keyboard, requiring extra processing from this class.
+		if (hasHardwareKeyboard()) {
+			return mRenderView.getInputHandler().onKeyUp(keyCode, keyEvent);
+		}
+
 		if (needHandlingInGodot(keyCode, keyEvent) && mRenderView.getInputHandler().onKeyUp(keyCode, keyEvent)) {
 			return true;
 		} else {
@@ -235,10 +250,20 @@ public class GodotEditText extends EditText {
 				isModifiedKey;
 	}
 
+	boolean hasHardwareKeyboard() {
+		Configuration config = getResources().getConfiguration();
+		return config.keyboard != Configuration.KEYBOARD_NOKEYS &&
+				config.hardKeyboardHidden == Configuration.HARDKEYBOARDHIDDEN_NO;
+	}
+
 	// ===========================================================
 	// Methods
 	// ===========================================================
 	public void showKeyboard(String p_existing_text, VirtualKeyboardType p_type, int p_max_input_length, int p_cursor_start, int p_cursor_end) {
+		if (hasHardwareKeyboard()) {
+			return;
+		}
+
 		int maxInputLength = (p_max_input_length <= 0) ? Integer.MAX_VALUE : p_max_input_length;
 		if (p_cursor_start == -1) { // cursor position not given
 			this.mOriginText = p_existing_text;
@@ -262,6 +287,10 @@ public class GodotEditText extends EditText {
 	}
 
 	public void hideKeyboard() {
+		if (hasHardwareKeyboard()) {
+			return;
+		}
+
 		final Message msg = new Message();
 		msg.what = HANDLER_CLOSE_IME_KEYBOARD;
 		msg.obj = this;