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// Copyright (C) 2016 The Qt Company Ltd.
// Copyright (C) 2012 BogDan Vatra <bogdan@kde.org>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
package org.qtproject.qt.android;
import android.content.Context;
import android.graphics.Canvas;
import android.text.InputType;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputConnection;
import android.view.KeyEvent;
import org.qtproject.qt.android.QtInputConnection.QtInputConnectionListener;
class QtEditText extends View
{
int m_initialCapsMode = 0;
int m_imeOptions = 0;
int m_inputType = InputType.TYPE_CLASS_TEXT;
boolean m_optionsChanged = false;
QtInputConnection m_inputConnection = null;
// input method hints - must be kept in sync with QTDIR/src/corelib/global/qnamespace.h
private final int ImhHiddenText = 0x1;
private final int ImhSensitiveData = 0x2;
private final int ImhNoAutoUppercase = 0x4;
private final int ImhPreferNumbers = 0x8;
private final int ImhPreferUppercase = 0x10;
private final int ImhPreferLowercase = 0x20;
private final int ImhNoPredictiveText = 0x40;
private final int ImhDate = 0x80;
private final int ImhTime = 0x100;
private final int ImhPreferLatin = 0x200;
private final int ImhMultiLine = 0x400;
private final int ImhDigitsOnly = 0x10000;
private final int ImhFormattedNumbersOnly = 0x20000;
private final int ImhUppercaseOnly = 0x40000;
private final int ImhLowercaseOnly = 0x80000;
private final int ImhDialableCharactersOnly = 0x100000;
private final int ImhEmailCharactersOnly = 0x200000;
private final int ImhUrlCharactersOnly = 0x400000;
private final int ImhLatinOnly = 0x800000;
private final QtInputConnectionListener m_qtInputConnectionListener;
public QtEditText(Context context, QtInputConnectionListener listener)
{
super(context);
setFocusable(true);
setFocusableInTouchMode(true);
m_qtInputConnectionListener = listener;
}
private void setImeOptions(int imeOptions)
{
if (m_imeOptions == imeOptions)
return;
m_imeOptions = m_imeOptions;
m_optionsChanged = true;
}
private void setInitialCapsMode(int initialCapsMode)
{
if (m_initialCapsMode == initialCapsMode)
return;
m_initialCapsMode = initialCapsMode;
m_optionsChanged = true;
}
private void setInputType(int inputType)
{
if (m_inputType == inputType)
return;
m_inputType = m_inputType;
m_optionsChanged = true;
}
@Override
public InputConnection onCreateInputConnection(EditorInfo outAttrs)
{
outAttrs.inputType = m_inputType;
outAttrs.imeOptions = m_imeOptions;
outAttrs.initialCapsMode = m_initialCapsMode;
m_inputConnection = new QtInputConnection(this,m_qtInputConnectionListener);
return m_inputConnection;
}
@Override
public boolean onCheckIsTextEditor ()
{
return true;
}
@Override
public boolean onKeyDown (int keyCode, KeyEvent event)
{
if (null != m_inputConnection)
m_inputConnection.restartImmInput();
return super.onKeyDown(keyCode, event);
}
@Override
protected void onDraw(Canvas canvas) {
// DEBUG CODE
// canvas.drawARGB(127, 255, 0, 255);
super.onDraw(canvas);
}
public void setEditTextOptions(int enterKeyType, int inputHints)
{
int initialCapsMode = 0;
int imeOptions = imeOptionsFromEnterKeyType(enterKeyType);
int inputType = android.text.InputType.TYPE_CLASS_TEXT;
if ((inputHints & (ImhPreferNumbers | ImhDigitsOnly | ImhFormattedNumbersOnly)) != 0) {
inputType = android.text.InputType.TYPE_CLASS_NUMBER;
if ((inputHints & ImhFormattedNumbersOnly) != 0) {
inputType |= (android.text.InputType.TYPE_NUMBER_FLAG_DECIMAL
| android.text.InputType.TYPE_NUMBER_FLAG_SIGNED);
}
if ((inputHints & ImhHiddenText) != 0)
inputType |= android.text.InputType.TYPE_NUMBER_VARIATION_PASSWORD;
} else if ((inputHints & ImhDialableCharactersOnly) != 0) {
inputType = android.text.InputType.TYPE_CLASS_PHONE;
} else if ((inputHints & (ImhDate | ImhTime)) != 0) {
inputType = android.text.InputType.TYPE_CLASS_DATETIME;
if ((inputHints & (ImhDate | ImhTime)) != (ImhDate | ImhTime)) {
if ((inputHints & ImhDate) != 0)
inputType |= android.text.InputType.TYPE_DATETIME_VARIATION_DATE;
else
inputType |= android.text.InputType.TYPE_DATETIME_VARIATION_TIME;
} // else { TYPE_DATETIME_VARIATION_NORMAL(0) }
} else { // CLASS_TEXT
if ((inputHints & ImhHiddenText) != 0) {
inputType |= android.text.InputType.TYPE_TEXT_VARIATION_PASSWORD;
} else if ((inputHints & ImhSensitiveData) != 0 ||
isDisablePredictiveTextWorkaround(inputHints)) {
inputType |= android.text.InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD;
} else if ((inputHints & ImhUrlCharactersOnly) != 0) {
inputType |= android.text.InputType.TYPE_TEXT_VARIATION_URI;
if (enterKeyType == 0) // not explicitly overridden
imeOptions = android.view.inputmethod.EditorInfo.IME_ACTION_GO;
} else if ((inputHints & ImhEmailCharactersOnly) != 0) {
inputType |= android.text.InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS;
}
if ((inputHints & ImhMultiLine) != 0) {
inputType |= android.text.InputType.TYPE_TEXT_FLAG_MULTI_LINE;
// Clear imeOptions for Multi-Line Type
// User should be able to insert new line in such case
imeOptions = android.view.inputmethod.EditorInfo.IME_ACTION_DONE;
}
if ((inputHints & (ImhNoPredictiveText | ImhSensitiveData | ImhHiddenText)) != 0)
inputType |= android.text.InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS;
if ((inputHints & ImhUppercaseOnly) != 0) {
initialCapsMode |= android.text.TextUtils.CAP_MODE_CHARACTERS;
inputType |= android.text.InputType.TYPE_TEXT_FLAG_CAP_CHARACTERS;
} else if ((inputHints & ImhLowercaseOnly) == 0
&& (inputHints & ImhNoAutoUppercase) == 0) {
initialCapsMode |= android.text.TextUtils.CAP_MODE_SENTENCES;
inputType |= android.text.InputType.TYPE_TEXT_FLAG_CAP_SENTENCES;
}
}
if (enterKeyType == 0 && (inputHints & ImhMultiLine) != 0)
imeOptions = android.view.inputmethod.EditorInfo.IME_FLAG_NO_ENTER_ACTION;
setInitialCapsMode(initialCapsMode);
setImeOptions(imeOptions);
setInputType(inputType);
}
private int imeOptionsFromEnterKeyType(int enterKeyType)
{
int imeOptions = android.view.inputmethod.EditorInfo.IME_ACTION_DONE;
// enter key type - must be kept in sync with QTDIR/src/corelib/global/qnamespace.h
switch (enterKeyType) {
case 0: // EnterKeyDefault
break;
case 1: // EnterKeyReturn
imeOptions = android.view.inputmethod.EditorInfo.IME_FLAG_NO_ENTER_ACTION;
break;
case 2: // EnterKeyDone
break;
case 3: // EnterKeyGo
imeOptions = android.view.inputmethod.EditorInfo.IME_ACTION_GO;
break;
case 4: // EnterKeySend
imeOptions = android.view.inputmethod.EditorInfo.IME_ACTION_SEND;
break;
case 5: // EnterKeySearch
imeOptions = android.view.inputmethod.EditorInfo.IME_ACTION_SEARCH;
break;
case 6: // EnterKeyNext
imeOptions = android.view.inputmethod.EditorInfo.IME_ACTION_NEXT;
break;
case 7: // EnterKeyPrevious
imeOptions = android.view.inputmethod.EditorInfo.IME_ACTION_PREVIOUS;
break;
}
return imeOptions;
}
private boolean isDisablePredictiveTextWorkaround(int inputHints)
{
return (inputHints & ImhNoPredictiveText) != 0 &&
System.getenv("QT_ANDROID_ENABLE_WORKAROUND_TO_DISABLE_PREDICTIVE_TEXT") != null;
}
}
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