520 lines
15 KiB
C++
520 lines
15 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/countryinput.h"
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#include "lang/lang_keys.h"
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#include "application.h"
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#include "ui/widgets/scroll_area.h"
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#include "ui/widgets/multi_select.h"
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#include "ui/effects/ripple_animation.h"
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#include "countries.h"
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#include "styles/style_boxes.h"
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#include "styles/style_intro.h"
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namespace {
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typedef QList<const CountryInfo *> CountriesFiltered;
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typedef QVector<int> CountriesIds;
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typedef QHash<QChar, CountriesIds> CountriesByLetter;
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typedef QVector<QString> CountryNames;
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typedef QVector<CountryNames> CountriesNames;
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CountriesByCode _countriesByCode;
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CountriesByISO2 _countriesByISO2;
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CountriesFiltered countriesFiltered, countriesAll, *countriesNow = &countriesAll;
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CountriesByLetter countriesByLetter;
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CountriesNames countriesNames;
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QString lastValidISO;
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int countriesCount = sizeof(countries) / sizeof(countries[0]);
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void initCountries() {
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if (!_countriesByCode.isEmpty()) return;
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_countriesByCode.reserve(countriesCount);
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_countriesByISO2.reserve(countriesCount);
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for (int i = 0; i < countriesCount; ++i) {
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const CountryInfo *info(countries + i);
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_countriesByCode.insert(info->code, info);
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CountriesByISO2::const_iterator already = _countriesByISO2.constFind(info->iso2);
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if (already != _countriesByISO2.cend()) {
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QString badISO = info->iso2;
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(void)badISO;
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}
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_countriesByISO2.insert(info->iso2, info);
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}
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countriesAll.reserve(countriesCount);
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countriesFiltered.reserve(countriesCount);
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countriesNames.resize(countriesCount);
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}
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} // namespace
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const CountriesByCode &countriesByCode() {
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initCountries();
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return _countriesByCode;
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}
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const CountriesByISO2 &countriesByISO2() {
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initCountries();
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return _countriesByISO2;
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}
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QString findValidCode(QString fullCode) {
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while (fullCode.length()) {
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CountriesByCode::const_iterator i = _countriesByCode.constFind(fullCode);
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if (i != _countriesByCode.cend()) {
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return (*i)->code;
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}
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fullCode = fullCode.mid(0, fullCode.length() - 1);
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}
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return "";
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}
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CountryInput::CountryInput(QWidget *parent, const style::InputField &st) : TWidget(parent)
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, _st(st)
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, _text(lang(lng_country_code)) {
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initCountries();
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resize(_st.width, _st.heightMin);
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auto availableWidth = width() - _st.textMargins.left() - _st.textMargins.right() - _st.placeholderMargins.left() - _st.placeholderMargins.right() - 1;
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auto placeholderFont = _st.placeholderFont->f;
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placeholderFont.setStyleStrategy(QFont::PreferMatch);
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auto metrics = QFontMetrics(placeholderFont);
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auto placeholder = QString();// metrics.elidedText(lang(lng_country_fake_ph), Qt::ElideRight, availableWidth);
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if (!placeholder.isNull()) {
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_placeholderPath.addText(0, QFontMetrics(placeholderFont).ascent(), placeholderFont, placeholder);
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}
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}
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void CountryInput::paintEvent(QPaintEvent *e) {
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Painter p(this);
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QRect r(rect().intersected(e->rect()));
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if (_st.textBg->c.alphaF() > 0.) {
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p.fillRect(r, _st.textBg);
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}
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if (_st.border) {
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p.fillRect(0, height() - _st.border, width(), _st.border, _st.borderFg);
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}
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st::introCountryIcon.paint(p, width() - st::introCountryIcon.width() - st::introCountryIconPosition.x(), st::introCountryIconPosition.y(), width());
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p.setFont(_st.font);
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p.setPen(_st.textFg);
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p.drawText(rect().marginsRemoved(_st.textMargins), _text, _st.textAlign);
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if (!_placeholderPath.isEmpty()) {
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auto placeholderShiftDegree = 1.;
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p.save();
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p.setClipRect(r);
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auto placeholderTop = anim::interpolate(0, _st.placeholderShift, placeholderShiftDegree);
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QRect r(rect().marginsRemoved(_st.textMargins + _st.placeholderMargins));
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r.moveTop(r.top() + placeholderTop);
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if (rtl()) r.moveLeft(width() - r.left() - r.width());
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auto placeholderScale = 1. - (1. - _st.placeholderScale) * placeholderShiftDegree;
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auto placeholderFg = anim::color(_st.placeholderFg, _st.placeholderFgActive, 0.);
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placeholderFg = anim::color(placeholderFg, _st.placeholderFgError, 0.);
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PainterHighQualityEnabler hq(p);
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p.setPen(Qt::NoPen);
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p.setBrush(placeholderFg);
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p.translate(r.topLeft());
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p.scale(placeholderScale, placeholderScale);
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p.drawPath(_placeholderPath);
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p.restore();
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}
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}
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void CountryInput::mouseMoveEvent(QMouseEvent *e) {
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bool newActive = rect().contains(e->pos());
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if (_active != newActive) {
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_active = newActive;
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setCursor(_active ? style::cur_pointer : style::cur_default);
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}
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}
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void CountryInput::mousePressEvent(QMouseEvent *e) {
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mouseMoveEvent(e);
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if (_active) {
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auto box = Ui::show(Box<CountrySelectBox>());
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connect(box, SIGNAL(countryChosen(const QString&)), this, SLOT(onChooseCountry(const QString&)));
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}
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}
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void CountryInput::enterEventHook(QEvent *e) {
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setMouseTracking(true);
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}
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void CountryInput::leaveEventHook(QEvent *e) {
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setMouseTracking(false);
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_active = false;
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setCursor(style::cur_default);
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}
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void CountryInput::onChooseCode(const QString &code) {
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Ui::hideLayer();
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if (code.length()) {
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CountriesByCode::const_iterator i = _countriesByCode.constFind(code);
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if (i != _countriesByCode.cend()) {
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const CountryInfo *info = *i;
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lastValidISO = info->iso2;
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setText(QString::fromUtf8(info->name));
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} else {
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setText(lang(lng_bad_country_code));
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}
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} else {
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setText(lang(lng_country_code));
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}
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update();
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}
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bool CountryInput::onChooseCountry(const QString &iso) {
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Ui::hideLayer();
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CountriesByISO2::const_iterator i = _countriesByISO2.constFind(iso);
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const CountryInfo *info = (i == _countriesByISO2.cend()) ? 0 : (*i);
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if (info) {
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lastValidISO = info->iso2;
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setText(QString::fromUtf8(info->name));
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emit codeChanged(info->code);
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update();
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return true;
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}
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return false;
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}
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void CountryInput::setText(const QString &newText) {
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_text = _st.font->elided(newText, width() - _st.textMargins.left() - _st.textMargins.right());
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}
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CountrySelectBox::CountrySelectBox(QWidget*)
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: _select(this, st::contactsMultiSelect, langFactory(lng_country_ph)) {
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}
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void CountrySelectBox::prepare() {
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setTitle(langFactory(lng_country_select));
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_select->resizeToWidth(st::boxWidth);
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_select->setQueryChangedCallback([this](const QString &query) { onFilterUpdate(query); });
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_select->setSubmittedCallback([this](bool) { onSubmit(); });
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_inner = setInnerWidget(object_ptr<Inner>(this), st::countriesScroll, _select->height());
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addButton(langFactory(lng_close), [this] { closeBox(); });
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setDimensions(st::boxWidth, st::boxMaxListHeight);
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connect(_inner, SIGNAL(mustScrollTo(int, int)), this, SLOT(onScrollToY(int, int)));
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connect(_inner, SIGNAL(countryChosen(const QString&)), this, SIGNAL(countryChosen(const QString&)));
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}
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void CountrySelectBox::onSubmit() {
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_inner->chooseCountry();
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}
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void CountrySelectBox::keyPressEvent(QKeyEvent *e) {
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if (e->key() == Qt::Key_Down) {
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_inner->selectSkip(1);
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} else if (e->key() == Qt::Key_Up) {
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_inner->selectSkip(-1);
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} else if (e->key() == Qt::Key_PageDown) {
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_inner->selectSkipPage(height() - _select->height(), 1);
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} else if (e->key() == Qt::Key_PageUp) {
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_inner->selectSkipPage(height() - _select->height(), -1);
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} else {
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BoxContent::keyPressEvent(e);
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}
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}
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void CountrySelectBox::resizeEvent(QResizeEvent *e) {
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BoxContent::resizeEvent(e);
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_select->resizeToWidth(width());
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_select->moveToLeft(0, 0);
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_inner->resizeToWidth(width());
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}
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void CountrySelectBox::onFilterUpdate(const QString &query) {
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onScrollToY(0);
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_inner->updateFilter(query);
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}
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void CountrySelectBox::setInnerFocus() {
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_select->setInnerFocus();
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}
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CountrySelectBox::Inner::Inner(QWidget *parent) : TWidget(parent)
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, _rowHeight(st::countryRowHeight) {
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setAttribute(Qt::WA_OpaquePaintEvent);
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CountriesByISO2::const_iterator l = _countriesByISO2.constFind(lastValidISO);
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bool seenLastValid = false;
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int already = countriesAll.size();
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countriesByLetter.clear();
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const CountryInfo *lastValid = (l == _countriesByISO2.cend()) ? 0 : (*l);
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for (int i = 0; i < countriesCount; ++i) {
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const CountryInfo *ins = lastValid ? (i ? (countries + i - (seenLastValid ? 0 : 1)) : lastValid) : (countries + i);
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if (lastValid && i && ins == lastValid) {
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seenLastValid = true;
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++ins;
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}
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if (already > i) {
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countriesAll[i] = ins;
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} else {
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countriesAll.push_back(ins);
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}
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auto namesList = QString::fromUtf8(ins->name).toLower().split(QRegularExpression("[\\s\\-]"), QString::SkipEmptyParts);
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auto &names = countriesNames[i];
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int l = namesList.size();
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names.resize(0);
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names.reserve(l);
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for (int j = 0, l = namesList.size(); j < l; ++j) {
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auto name = namesList[j].trimmed();
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if (!name.length()) continue;
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auto ch = name[0];
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auto &v = countriesByLetter[ch];
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if (v.isEmpty() || v.back() != i) {
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v.push_back(i);
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}
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names.push_back(name);
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}
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}
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_filter = qsl("a");
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updateFilter();
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}
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void CountrySelectBox::Inner::paintEvent(QPaintEvent *e) {
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Painter p(this);
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QRect r(e->rect());
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p.setClipRect(r);
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auto ms = getms();
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int l = countriesNow->size();
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if (l) {
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if (r.intersects(QRect(0, 0, width(), st::countriesSkip))) {
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p.fillRect(r.intersected(QRect(0, 0, width(), st::countriesSkip)), st::countryRowBg);
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}
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int32 from = floorclamp(r.y() - st::countriesSkip, _rowHeight, 0, l);
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int32 to = ceilclamp(r.y() + r.height() - st::countriesSkip, _rowHeight, 0, l);
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for (int32 i = from; i < to; ++i) {
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auto selected = (i == (_pressed >= 0 ? _pressed : _selected));
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auto y = st::countriesSkip + i * _rowHeight;
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p.fillRect(0, y, width(), _rowHeight, selected ? st::countryRowBgOver : st::countryRowBg);
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if (_ripples.size() > i && _ripples[i]) {
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_ripples[i]->paint(p, 0, y, width(), ms);
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if (_ripples[i]->empty()) {
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_ripples[i].reset();
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}
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}
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auto code = QString("+") + (*countriesNow)[i]->code;
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auto codeWidth = st::countryRowCodeFont->width(code);
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auto name = QString::fromUtf8((*countriesNow)[i]->name);
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auto nameWidth = st::countryRowNameFont->width(name);
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auto availWidth = width() - st::countryRowPadding.left() - st::countryRowPadding.right() - codeWidth - st::boxLayerScroll.width;
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if (nameWidth > availWidth) {
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name = st::countryRowNameFont->elided(name, availWidth);
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nameWidth = st::countryRowNameFont->width(name);
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}
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p.setFont(st::countryRowNameFont);
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p.setPen(st::countryRowNameFg);
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p.drawTextLeft(st::countryRowPadding.left(), y + st::countryRowPadding.top(), width(), name);
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p.setFont(st::countryRowCodeFont);
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p.setPen(selected ? st::countryRowCodeFgOver : st::countryRowCodeFg);
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p.drawTextLeft(st::countryRowPadding.left() + nameWidth + st::countryRowPadding.right(), y + st::countryRowPadding.top(), width(), code);
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}
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} else {
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p.fillRect(r, st::boxBg);
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p.setFont(st::noContactsFont);
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p.setPen(st::noContactsColor);
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p.drawText(QRect(0, 0, width(), st::noContactsHeight), lang(lng_country_none), style::al_center);
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}
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}
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void CountrySelectBox::Inner::enterEventHook(QEvent *e) {
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setMouseTracking(true);
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}
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void CountrySelectBox::Inner::leaveEventHook(QEvent *e) {
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_mouseSelection = false;
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setMouseTracking(false);
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if (_selected >= 0) {
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updateSelectedRow();
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_selected = -1;
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}
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}
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void CountrySelectBox::Inner::mouseMoveEvent(QMouseEvent *e) {
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_mouseSelection = true;
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updateSelected(e->pos());
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}
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void CountrySelectBox::Inner::mousePressEvent(QMouseEvent *e) {
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_mouseSelection = true;
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updateSelected(e->pos());
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setPressed(_selected);
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if (_pressed >= 0 && _pressed < countriesNow->size()) {
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if (_ripples.size() <= _pressed) {
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_ripples.reserve(_pressed + 1);
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while (_ripples.size() <= _pressed) {
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_ripples.push_back(nullptr);
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}
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}
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if (!_ripples[_pressed]) {
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auto mask = Ui::RippleAnimation::rectMask(QSize(width(), _rowHeight));
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_ripples[_pressed] = std::make_unique<Ui::RippleAnimation>(st::countryRipple, std::move(mask), [this, index = _pressed] {
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updateRow(index);
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});
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_ripples[_pressed]->add(e->pos() - QPoint(0, st::countriesSkip + _pressed * _rowHeight));
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}
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}
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}
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void CountrySelectBox::Inner::mouseReleaseEvent(QMouseEvent *e) {
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auto pressed = _pressed;
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setPressed(-1);
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updateSelectedRow();
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if (e->button() == Qt::LeftButton) {
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if ((pressed >= 0) && pressed == _selected) {
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chooseCountry();
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}
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}
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}
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void CountrySelectBox::Inner::updateFilter(QString filter) {
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auto words = TextUtilities::PrepareSearchWords(filter);
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filter = words.isEmpty() ? QString() : words.join(' ');
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if (_filter != filter) {
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_filter = filter;
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if (_filter.isEmpty()) {
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countriesNow = &countriesAll;
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} else {
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QChar first = _filter[0].toLower();
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CountriesIds &ids(countriesByLetter[first]);
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QStringList::const_iterator fb = words.cbegin(), fe = words.cend(), fi;
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countriesFiltered.clear();
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for (CountriesIds::const_iterator i = ids.cbegin(), e = ids.cend(); i != e; ++i) {
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int index = *i;
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CountryNames &names(countriesNames[index]);
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CountryNames::const_iterator nb = names.cbegin(), ne = names.cend(), ni;
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for (fi = fb; fi != fe; ++fi) {
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QString filterName(*fi);
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for (ni = nb; ni != ne; ++ni) {
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if (ni->startsWith(*fi)) {
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break;
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}
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}
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if (ni == ne) {
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break;
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}
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}
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if (fi == fe) {
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countriesFiltered.push_back(countriesAll[index]);
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}
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}
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countriesNow = &countriesFiltered;
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}
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refresh();
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_selected = countriesNow->isEmpty() ? -1 : 0;
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update();
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}
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}
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void CountrySelectBox::Inner::selectSkip(int32 dir) {
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_mouseSelection = false;
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int cur = (_selected >= 0) ? _selected : -1;
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cur += dir;
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if (cur <= 0) {
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_selected = countriesNow->isEmpty() ? -1 : 0;
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} else if (cur >= countriesNow->size()) {
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_selected = -1;
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} else {
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_selected = cur;
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}
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if (_selected >= 0) {
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emit mustScrollTo(st::countriesSkip + _selected * _rowHeight, st::countriesSkip + (_selected + 1) * _rowHeight);
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}
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update();
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}
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void CountrySelectBox::Inner::selectSkipPage(int32 h, int32 dir) {
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int32 points = h / _rowHeight;
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if (!points) return;
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selectSkip(points * dir);
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}
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void CountrySelectBox::Inner::chooseCountry() {
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QString result;
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if (_filter.isEmpty()) {
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if (_selected >= 0 && _selected < countriesAll.size()) {
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result = countriesAll[_selected]->iso2;
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}
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} else {
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if (_selected >= 0 && _selected < countriesFiltered.size()) {
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result = countriesFiltered[_selected]->iso2;
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}
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}
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emit countryChosen(result);
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}
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void CountrySelectBox::Inner::refresh() {
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resize(width(), countriesNow->length() ? (countriesNow->length() * _rowHeight + st::countriesSkip) : st::noContactsHeight);
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}
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void CountrySelectBox::Inner::updateSelected(QPoint localPos) {
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if (!_mouseSelection) return;
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auto in = parentWidget()->rect().contains(parentWidget()->mapFromGlobal(QCursor::pos()));
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auto selected = (in && localPos.y() >= st::countriesSkip && localPos.y() < st::countriesSkip + countriesNow->size() * _rowHeight) ? ((localPos.y() - st::countriesSkip) / _rowHeight) : -1;
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if (_selected != selected) {
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updateSelectedRow();
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_selected = selected;
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updateSelectedRow();
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}
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}
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void CountrySelectBox::Inner::updateSelectedRow() {
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updateRow(_selected);
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}
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void CountrySelectBox::Inner::updateRow(int index) {
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if (index >= 0) {
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update(0, st::countriesSkip + index * _rowHeight, width(), _rowHeight);
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}
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}
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void CountrySelectBox::Inner::setPressed(int pressed) {
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if (_pressed >= 0 && _pressed < _ripples.size() && _ripples[_pressed]) {
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_ripples[_pressed]->lastStop();
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}
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_pressed = pressed;
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}
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CountrySelectBox::Inner::~Inner() = default;
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