152 lines
4.2 KiB
C++
152 lines
4.2 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 "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 "ui/boxes/country_select_box.h"
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#include "data/data_countries.h"
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#include "base/qt_adapters.h"
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#include "styles/style_layers.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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QString LastValidISO;
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} // namespace
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CountryInput::CountryInput(QWidget *parent, const style::InputField &st)
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: RpWidget(parent)
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, _st(st)
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, _text(tr::lng_country_code(tr::now)) {
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resize(_st.width, _st.heightMin);
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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(tr::lng_country_fake_ph(tr::now), 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<Ui::CountrySelectBox>());
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box->countryChosen(
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) | rpl::start_with_next([=](QString iso) {
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chooseCountry(iso);
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}, lifetime());
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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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_chosenIso = QString();
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if (code.length()) {
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const auto &byCode = Data::CountriesByCode();
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const auto i = byCode.constFind(code);
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if (i != byCode.cend()) {
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const auto info = *i;
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_chosenIso = LastValidISO = info->iso2;
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setText(QString::fromUtf8(info->name));
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} else {
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setText(tr::lng_bad_country_code(tr::now));
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}
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} else {
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setText(tr::lng_country_code(tr::now));
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}
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update();
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}
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bool CountryInput::chooseCountry(const QString &iso) {
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Ui::hideLayer();
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const auto &byISO2 = Data::CountriesByISO2();
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const auto i = byISO2.constFind(iso);
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const auto info = (i != byISO2.cend()) ? (*i) : nullptr;
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_chosenIso = QString();
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if (info) {
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_chosenIso = LastValidISO = info->iso2;
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setText(QString::fromUtf8(info->name));
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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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