432 lines
10 KiB
C++
432 lines
10 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "ui/special_fields.h"
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#include "lang/lang_keys.h"
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#include "countries/countries_instance.h" // Countries::ValidPhoneCode
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#include <QtCore/QRegularExpression>
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namespace Ui {
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namespace {
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constexpr auto kMaxUsernameLength = 32;
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// Rest of the phone number, without country code (seen 12 at least),
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// need more for service numbers.
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constexpr auto kMaxPhoneTailLength = 32;
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// Max length of country phone code.
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constexpr auto kMaxPhoneCodeLength = 4;
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} // namespace
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CountryCodeInput::CountryCodeInput(
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QWidget *parent,
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const style::InputField &st)
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: MaskedInputField(parent, st) {
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}
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void CountryCodeInput::startErasing(QKeyEvent *e) {
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setFocus();
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keyPressEvent(e);
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}
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void CountryCodeInput::codeSelected(const QString &code) {
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auto wasText = getLastText();
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auto wasCursor = cursorPosition();
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auto newText = '+' + code;
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auto newCursor = newText.size();
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setText(newText);
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_nosignal = true;
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correctValue(wasText, wasCursor, newText, newCursor);
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_nosignal = false;
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changed();
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}
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void CountryCodeInput::correctValue(
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const QString &was,
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int wasCursor,
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QString &now,
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int &nowCursor) {
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QString newText, addToNumber;
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int oldPos(nowCursor);
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int newPos(-1);
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int oldLen(now.length());
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int start = 0;
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int digits = 5;
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newText.reserve(oldLen + 1);
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if (oldLen && now[0] == '+') {
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if (start == oldPos) {
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newPos = newText.length();
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}
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++start;
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}
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newText += '+';
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for (int i = start; i < oldLen; ++i) {
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if (i == oldPos) {
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newPos = newText.length();
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}
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auto ch = now[i];
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if (ch.isDigit()) {
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if (!digits || !--digits) {
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addToNumber += ch;
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} else {
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newText += ch;
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}
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}
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}
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if (!addToNumber.isEmpty()) {
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auto validCode = Countries::Instance().validPhoneCode(newText.mid(1));
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addToNumber = newText.mid(1 + validCode.length()) + addToNumber;
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newText = '+' + validCode;
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}
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setCorrectedText(now, nowCursor, newText, newPos);
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if (!_nosignal && was != newText) {
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_codeChanged.fire(newText.mid(1));
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}
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if (!addToNumber.isEmpty()) {
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_addedToNumber.fire_copy(addToNumber);
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}
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}
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PhonePartInput::PhonePartInput(QWidget *parent, const style::InputField &st)
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: MaskedInputField(parent, st/*, tr::lng_phone_ph(tr::now)*/) {
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}
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void PhonePartInput::paintAdditionalPlaceholder(Painter &p) {
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if (!_pattern.isEmpty()) {
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auto t = getDisplayedText();
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auto ph = _additionalPlaceholder.mid(t.size());
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if (!ph.isEmpty()) {
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p.setClipRect(rect());
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auto phRect = placeholderRect();
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int tw = phFont()->width(t);
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if (tw < phRect.width()) {
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phRect.setLeft(phRect.left() + tw);
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placeholderAdditionalPrepare(p);
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p.drawText(phRect, ph, style::al_topleft);
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}
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}
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}
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}
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void PhonePartInput::keyPressEvent(QKeyEvent *e) {
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if (e->key() == Qt::Key_Backspace && cursorPosition() == 0) {
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_frontBackspaceEvent.fire_copy(e);
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} else {
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MaskedInputField::keyPressEvent(e);
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}
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}
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void PhonePartInput::correctValue(
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const QString &was,
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int wasCursor,
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QString &now,
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int &nowCursor) {
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QString newText;
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int oldPos(nowCursor), newPos(-1), oldLen(now.length()), digitCount = 0;
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for (int i = 0; i < oldLen; ++i) {
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if (now[i].isDigit()) {
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++digitCount;
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}
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}
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if (digitCount > kMaxPhoneTailLength) {
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digitCount = kMaxPhoneTailLength;
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}
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bool inPart = !_pattern.isEmpty();
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int curPart = -1, leftInPart = 0;
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newText.reserve(oldLen);
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for (int i = 0; i < oldLen; ++i) {
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if (i == oldPos && newPos < 0) {
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newPos = newText.length();
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}
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auto ch = now[i];
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if (ch.isDigit()) {
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if (!digitCount--) {
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break;
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}
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if (inPart) {
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if (leftInPart) {
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--leftInPart;
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} else {
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newText += ' ';
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++curPart;
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inPart = curPart < _pattern.size();
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leftInPart = inPart ? (_pattern.at(curPart) - 1) : 0;
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++oldPos;
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}
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}
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newText += ch;
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} else if (ch == ' ' || ch == '-' || ch == '(' || ch == ')') {
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if (inPart) {
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if (leftInPart) {
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} else {
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newText += ch;
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++curPart;
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inPart = curPart < _pattern.size();
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leftInPart = inPart ? _pattern.at(curPart) : 0;
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}
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} else {
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newText += ch;
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}
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}
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}
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auto newlen = newText.size();
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while (newlen > 0 && newText.at(newlen - 1).isSpace()) {
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--newlen;
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}
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if (newlen < newText.size()) {
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newText = newText.mid(0, newlen);
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}
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setCorrectedText(now, nowCursor, newText, newPos);
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}
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void PhonePartInput::addedToNumber(const QString &added) {
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setFocus();
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auto wasText = getLastText();
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auto wasCursor = cursorPosition();
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auto newText = added + wasText;
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auto newCursor = newText.size();
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setText(newText);
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setCursorPosition(added.length());
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correctValue(wasText, wasCursor, newText, newCursor);
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startPlaceholderAnimation();
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}
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void PhonePartInput::chooseCode(const QString &code) {
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_pattern = Countries::Instance().format({
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.phone = code,
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.onlyGroups = true,
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.incomplete = true,
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}).groups;
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if (!_pattern.isEmpty() && _pattern.at(0) == code.size()) {
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_pattern.pop_front();
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} else {
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_pattern.clear();
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}
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_additionalPlaceholder = QString();
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if (!_pattern.isEmpty()) {
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_additionalPlaceholder.reserve(20);
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for (const auto part : std::as_const(_pattern)) {
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_additionalPlaceholder.append(' ');
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_additionalPlaceholder.append(QString(part, QChar(0x2212)));
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}
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}
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setPlaceholderHidden(!_additionalPlaceholder.isEmpty());
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auto wasText = getLastText();
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auto wasCursor = cursorPosition();
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auto newText = getLastText();
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auto newCursor = newText.size();
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correctValue(wasText, wasCursor, newText, newCursor);
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startPlaceholderAnimation();
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update();
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}
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UsernameInput::UsernameInput(
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QWidget *parent,
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const style::InputField &st,
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rpl::producer<QString> placeholder,
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const QString &val,
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const QString &linkPlaceholder)
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: MaskedInputField(parent, st, std::move(placeholder), val) {
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setLinkPlaceholder(linkPlaceholder);
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}
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void UsernameInput::setLinkPlaceholder(const QString &placeholder) {
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_linkPlaceholder = placeholder;
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if (!_linkPlaceholder.isEmpty()) {
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setTextMargins(style::margins(_st.textMargins.left() + _st.font->width(_linkPlaceholder), _st.textMargins.top(), _st.textMargins.right(), _st.textMargins.bottom()));
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setPlaceholderHidden(true);
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}
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}
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void UsernameInput::paintAdditionalPlaceholder(Painter &p) {
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if (!_linkPlaceholder.isEmpty()) {
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p.setFont(_st.font);
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p.setPen(_st.placeholderFg);
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p.drawText(QRect(_st.textMargins.left(), _st.textMargins.top(), width(), height() - _st.textMargins.top() - _st.textMargins.bottom()), _linkPlaceholder, style::al_topleft);
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}
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}
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void UsernameInput::correctValue(
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const QString &was,
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int wasCursor,
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QString &now,
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int &nowCursor) {
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auto newPos = nowCursor;
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auto from = 0, len = now.size();
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for (; from < len; ++from) {
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if (!now.at(from).isSpace()) {
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break;
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}
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if (newPos > 0) --newPos;
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}
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len -= from;
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if (len > kMaxUsernameLength) {
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len = kMaxUsernameLength + (now.at(from) == '@' ? 1 : 0);
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}
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for (int32 to = from + len; to > from;) {
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--to;
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if (!now.at(to).isSpace()) {
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break;
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}
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--len;
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}
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setCorrectedText(now, nowCursor, now.mid(from, len), newPos);
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}
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PhoneInput::PhoneInput(
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QWidget *parent,
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const style::InputField &st,
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rpl::producer<QString> placeholder,
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const QString &defaultValue,
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QString value)
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: MaskedInputField(parent, st, std::move(placeholder), value)
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, _defaultValue(defaultValue) {
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if (value.isEmpty()) {
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clearText();
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} else {
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auto pos = value.size();
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correctValue(QString(), 0, value, pos);
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}
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}
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void PhoneInput::focusInEvent(QFocusEvent *e) {
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MaskedInputField::focusInEvent(e);
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setSelection(cursorPosition(), cursorPosition());
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}
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void PhoneInput::clearText() {
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auto value = _defaultValue;
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setText(value);
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auto pos = value.size();
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correctValue(QString(), 0, value, pos);
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}
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void PhoneInput::paintAdditionalPlaceholder(Painter &p) {
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if (!_pattern.isEmpty()) {
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auto t = getDisplayedText();
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auto ph = _additionalPlaceholder.mid(t.size());
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if (!ph.isEmpty()) {
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p.setClipRect(rect());
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auto phRect = placeholderRect();
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int tw = phFont()->width(t);
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if (tw < phRect.width()) {
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phRect.setLeft(phRect.left() + tw);
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placeholderAdditionalPrepare(p);
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p.drawText(phRect, ph, style::al_topleft);
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}
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}
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}
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}
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void PhoneInput::correctValue(
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const QString &was,
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int wasCursor,
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QString &now,
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int &nowCursor) {
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auto digits = now;
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digits.replace(QRegularExpression("[^\\d]"), QString());
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_pattern = Countries::Instance().format({
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.phone = digits,
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.onlyGroups = true,
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.incomplete = true,
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}).groups;
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QString newPlaceholder;
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if (_pattern.isEmpty()) {
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newPlaceholder = QString();
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} else if (_pattern.size() == 1 && _pattern.at(0) == digits.size()) {
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newPlaceholder = QString(_pattern.at(0) + 2, ' ') + tr::lng_contact_phone(tr::now);
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} else {
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newPlaceholder.reserve(20);
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for (int i = 0, l = _pattern.size(); i < l; ++i) {
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if (i) {
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newPlaceholder.append(' ');
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} else {
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newPlaceholder.append('+');
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}
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newPlaceholder.append(i ? QString(_pattern.at(i), QChar(0x2212)) : digits.mid(0, _pattern.at(i)));
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}
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}
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if (_additionalPlaceholder != newPlaceholder) {
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_additionalPlaceholder = newPlaceholder;
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setPlaceholderHidden(!_additionalPlaceholder.isEmpty());
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update();
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}
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QString newText;
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int oldPos(nowCursor), newPos(-1), oldLen(now.length()), digitCount = qMin(digits.size(), kMaxPhoneCodeLength + kMaxPhoneTailLength);
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bool inPart = !_pattern.isEmpty(), plusFound = false;
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int curPart = 0, leftInPart = inPart ? _pattern.at(curPart) : 0;
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newText.reserve(oldLen + 1);
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newText.append('+');
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for (int i = 0; i < oldLen; ++i) {
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if (i == oldPos && newPos < 0) {
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newPos = newText.length();
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}
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QChar ch(now[i]);
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if (ch.isDigit()) {
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if (!digitCount--) {
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break;
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}
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if (inPart) {
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if (leftInPart) {
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--leftInPart;
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} else {
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newText += ' ';
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++curPart;
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inPart = curPart < _pattern.size();
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leftInPart = inPart ? (_pattern.at(curPart) - 1) : 0;
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++oldPos;
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}
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}
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newText += ch;
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} else if (ch == ' ' || ch == '-' || ch == '(' || ch == ')') {
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if (inPart) {
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if (leftInPart) {
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} else {
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newText += ch;
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++curPart;
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inPart = curPart < _pattern.size();
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leftInPart = inPart ? _pattern.at(curPart) : 0;
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}
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} else {
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newText += ch;
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}
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} else if (ch == '+') {
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plusFound = true;
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}
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}
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if (!plusFound && newText == qstr("+")) {
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newText = QString();
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newPos = 0;
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}
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int32 newlen = newText.size();
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while (newlen > 0 && newText.at(newlen - 1).isSpace()) {
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--newlen;
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}
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if (newlen < newText.size()) {
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newText = newText.mid(0, newlen);
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}
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setCorrectedText(now, nowCursor, newText, newPos);
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}
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} // namespace Ui
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