/**************************************************************************/
/* GodotEditText.java */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
package org.godotengine.godot.input;
import org.godotengine.godot.*;
import android.content.Context;
import android.content.res.Configuration;
import android.os.Build;
import android.os.Handler;
import android.os.Message;
import android.text.InputFilter;
import android.text.InputType;
import android.text.TextUtils;
import android.text.method.DigitsKeyListener;
import android.util.AttributeSet;
import android.view.KeyEvent;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;
import java.lang.ref.WeakReference;
import java.util.Locale;
public class GodotEditText extends EditText {
// ===========================================================
// Constants
// ===========================================================
private final static int HANDLER_OPEN_IME_KEYBOARD = 2;
private final static int HANDLER_CLOSE_IME_KEYBOARD = 3;
// Enum must be kept up-to-date with DisplayServer::VirtualKeyboardType
public enum VirtualKeyboardType {
KEYBOARD_TYPE_DEFAULT,
KEYBOARD_TYPE_MULTILINE,
KEYBOARD_TYPE_NUMBER,
KEYBOARD_TYPE_NUMBER_DECIMAL,
KEYBOARD_TYPE_PHONE,
KEYBOARD_TYPE_EMAIL_ADDRESS,
KEYBOARD_TYPE_PASSWORD,
KEYBOARD_TYPE_URL
}
// ===========================================================
// Fields
// ===========================================================
private GodotRenderView mRenderView;
private GodotTextInputWrapper mInputWrapper;
private EditHandler sHandler = new EditHandler(this);
private String mOriginText;
private int mMaxInputLength = Integer.MAX_VALUE;
private VirtualKeyboardType mKeyboardType = VirtualKeyboardType.KEYBOARD_TYPE_DEFAULT;
private static class EditHandler extends Handler {
private final WeakReference<GodotEditText> mEdit;
public EditHandler(GodotEditText edit) {
mEdit = new WeakReference<>(edit);
}
@Override
public void handleMessage(Message msg) {
GodotEditText edit = mEdit.get();
if (edit != null) {
edit.handleMessage(msg);
}
}
}
// ===========================================================
// Constructors
// ===========================================================
public GodotEditText(final Context context) {
super(context);
initView();
}
public GodotEditText(final Context context, final AttributeSet attrs) {
super(context, attrs);
initView();
}
public GodotEditText(final Context context, final AttributeSet attrs, final int defStyle) {
super(context, attrs, defStyle);
initView();
}
protected void initView() {
setPadding(0, 0, 0, 0);
setImeOptions(EditorInfo.IME_FLAG_NO_EXTRACT_UI | EditorInfo.IME_ACTION_DONE);
}
public VirtualKeyboardType getKeyboardType() {
return mKeyboardType;
}
private void handleMessage(final Message msg) {
switch (msg.what) {
case HANDLER_OPEN_IME_KEYBOARD: {
GodotEditText edit = (GodotEditText)msg.obj;
String text = edit.mOriginText;
if (edit.requestFocus()) {
edit.removeTextChangedListener(edit.mInputWrapper);
setMaxInputLength(edit);
edit.setText("");
edit.append(text);
if (msg.arg2 != -1) {
int selectionStart = Math.min(msg.arg1, edit.length());
int selectionEnd = Math.min(msg.arg2, edit.length());
edit.setSelection(selectionStart, selectionEnd);
edit.mInputWrapper.setSelection(true);
} else {
edit.mInputWrapper.setSelection(false);
}
int inputType = InputType.TYPE_CLASS_TEXT;
String acceptCharacters = null;
switch (edit.getKeyboardType()) {
case KEYBOARD_TYPE_DEFAULT:
inputType = InputType.TYPE_CLASS_TEXT;
break;
case KEYBOARD_TYPE_MULTILINE:
inputType = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_FLAG_MULTI_LINE;
break;
case KEYBOARD_TYPE_NUMBER:
inputType = InputType.TYPE_CLASS_NUMBER;
break;
case KEYBOARD_TYPE_NUMBER_DECIMAL:
inputType = InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED | InputType.TYPE_NUMBER_FLAG_DECIMAL;
acceptCharacters = "0123456789,.- ";
break;
case KEYBOARD_TYPE_PHONE:
inputType = InputType.TYPE_CLASS_PHONE;
break;
case KEYBOARD_TYPE_EMAIL_ADDRESS:
inputType = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS;
break;
case KEYBOARD_TYPE_PASSWORD:
inputType = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD;
break;
case KEYBOARD_TYPE_URL:
inputType = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_URI;
break;
}
edit.setInputType(inputType);
if (!TextUtils.isEmpty(acceptCharacters)) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
edit.setKeyListener(DigitsKeyListener.getInstance(Locale.getDefault()));
} else {
edit.setKeyListener(DigitsKeyListener.getInstance(acceptCharacters));
}
}
edit.mInputWrapper.setOriginText(text);
edit.addTextChangedListener(edit.mInputWrapper);
final InputMethodManager imm = (InputMethodManager)mRenderView.getView().getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
imm.showSoftInput(edit, 0);
}
} break;
case HANDLER_CLOSE_IME_KEYBOARD: {
GodotEditText edit = (GodotEditText)msg.obj;
edit.removeTextChangedListener(mInputWrapper);
final InputMethodManager imm = (InputMethodManager)mRenderView.getView().getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(edit.getWindowToken(), 0);
edit.mRenderView.getView().requestFocus();
} break;
}
}
private void setMaxInputLength(EditText p_edit_text) {
InputFilter[] filters = new InputFilter[1];
filters[0] = new InputFilter.LengthFilter(this.mMaxInputLength);
p_edit_text.setFilters(filters);
}
// ===========================================================
// Getter & Setter
// ===========================================================
public void setView(final GodotRenderView view) {
mRenderView = view;
if (mInputWrapper == null)
mInputWrapper = new GodotTextInputWrapper(mRenderView, this);
setOnEditorActionListener(mInputWrapper);
view.getView().requestFocus();
}
// ===========================================================
// Methods for/from SuperClass/Interfaces
// ===========================================================
@Override
public boolean onKeyDown(final int keyCode, final KeyEvent keyEvent) {
/* Let SurfaceView get focus if back key is input. */
if (keyCode == KeyEvent.KEYCODE_BACK) {
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;
} else {
return super.onKeyDown(keyCode, keyEvent);
}
}
@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 {
return super.onKeyUp(keyCode, keyEvent);
}
}
private boolean needHandlingInGodot(int keyCode, KeyEvent keyEvent) {
boolean isArrowKey = keyCode == KeyEvent.KEYCODE_DPAD_UP || keyCode == KeyEvent.KEYCODE_DPAD_DOWN ||
keyCode == KeyEvent.KEYCODE_DPAD_LEFT || keyCode == KeyEvent.KEYCODE_DPAD_RIGHT;
boolean isModifiedKey = keyEvent.isAltPressed() || keyEvent.isCtrlPressed() || keyEvent.isSymPressed() ||
keyEvent.isFunctionPressed() || keyEvent.isMetaPressed();
return isArrowKey || keyCode == KeyEvent.KEYCODE_TAB || KeyEvent.isModifierKey(keyCode) ||
isModifiedKey;
}
public boolean hasHardwareKeyboard() {
Configuration config = getResources().getConfiguration();
boolean hasHardwareKeyboardConfig = config.keyboard != Configuration.KEYBOARD_NOKEYS &&
config.hardKeyboardHidden == Configuration.HARDKEYBOARDHIDDEN_NO;
if (hasHardwareKeyboardConfig) {
return true;
}
return mRenderView.getInputHandler().hasHardwareKeyboard();
}
// ===========================================================
// 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;
this.mMaxInputLength = maxInputLength;
} else if (p_cursor_end == -1) { // not text selection
this.mOriginText = p_existing_text.substring(0, p_cursor_start);
this.mMaxInputLength = maxInputLength - (p_existing_text.length() - p_cursor_start);
} else {
this.mOriginText = p_existing_text.substring(0, p_cursor_end);
this.mMaxInputLength = maxInputLength - (p_existing_text.length() - p_cursor_end);
}
this.mKeyboardType = p_type;
final Message msg = new Message();
msg.what = HANDLER_OPEN_IME_KEYBOARD;
msg.obj = this;
msg.arg1 = p_cursor_start;
msg.arg2 = p_cursor_end;
sHandler.sendMessage(msg);
}
public void hideKeyboard() {
if (hasHardwareKeyboard()) {
return;
}
final Message msg = new Message();
msg.what = HANDLER_CLOSE_IME_KEYBOARD;
msg.obj = this;
sHandler.sendMessage(msg);
}
// ===========================================================
// Inner and Anonymous Classes
// ===========================================================
}