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This commit is contained in:
allhaileris
487
Telegram/SourceFiles/ui/boxes/country_select_box.cpp
Normal file
487
Telegram/SourceFiles/ui/boxes/country_select_box.cpp
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@@ -0,0 +1,487 @@
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/*
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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/boxes/country_select_box.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/painter.h"
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#include "countries/countries_instance.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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#include <QtCore/QRegularExpression>
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namespace Ui {
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namespace {
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QString LastValidISO;
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} // namespace
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class CountrySelectBox::Inner : public RpWidget {
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public:
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Inner(QWidget *parent, const QString &iso, Type type);
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~Inner();
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void updateFilter(QString filter = QString());
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void selectSkip(int32 dir);
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void selectSkipPage(int32 h, int32 dir);
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void chooseCountry();
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void refresh();
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[[nodiscard]] rpl::producer<Entry> countryChosen() const {
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return _countryChosen.events();
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}
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[[nodiscard]] rpl::producer<ScrollToRequest> mustScrollTo() const {
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return _mustScrollTo.events();
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}
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protected:
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void paintEvent(QPaintEvent *e) override;
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void enterEventHook(QEnterEvent *e) override;
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void leaveEventHook(QEvent *e) override;
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void mouseMoveEvent(QMouseEvent *e) override;
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void mousePressEvent(QMouseEvent *e) override;
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void mouseReleaseEvent(QMouseEvent *e) override;
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private:
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void init();
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void updateSelected() {
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updateSelected(mapFromGlobal(QCursor::pos()));
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}
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void updateSelected(QPoint localPos);
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void updateSelectedRow();
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void updateRow(int index);
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void setPressed(int pressed);
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const std::vector<Entry> ¤t() const;
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Type _type = Type::Phones;
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int _rowHeight = 0;
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int _selected = -1;
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int _pressed = -1;
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QString _filter;
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bool _mouseSelection = false;
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std::vector<std::unique_ptr<RippleAnimation>> _ripples;
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std::vector<Entry> _list;
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std::vector<Entry> _filtered;
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base::flat_map<QChar, std::vector<int>> _byLetter;
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std::vector<std::vector<QString>> _namesList;
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rpl::event_stream<Entry> _countryChosen;
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rpl::event_stream<ScrollToRequest> _mustScrollTo;
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};
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CountrySelectBox::CountrySelectBox(QWidget*)
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: CountrySelectBox(nullptr, QString(), Type::Phones) {
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}
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CountrySelectBox::CountrySelectBox(QWidget*, const QString &iso, Type type)
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: _select(this, st::defaultMultiSelect, tr::lng_country_ph())
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, _ownedInner(this, iso, type) {
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}
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rpl::producer<QString> CountrySelectBox::countryChosen() const {
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Expects(_ownedInner != nullptr || _inner != nullptr);
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return (_ownedInner
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? _ownedInner.data()
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: _inner.data())->countryChosen() | rpl::map([](const Entry &e) {
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return e.iso2;
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});
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}
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rpl::producer<CountrySelectBox::Entry> CountrySelectBox::entryChosen() const {
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Expects(_ownedInner != nullptr || _inner != nullptr);
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return (_ownedInner
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? _ownedInner.data()
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: _inner.data())->countryChosen();
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}
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void CountrySelectBox::prepare() {
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setTitle(tr::lng_country_select());
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_select->resizeToWidth(st::boxWidth);
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_select->setQueryChangedCallback([=](const QString &query) {
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applyFilterUpdate(query);
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});
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_select->setSubmittedCallback([=](Qt::KeyboardModifiers) {
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submit();
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});
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_inner = setInnerWidget(
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std::move(_ownedInner),
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st::countriesScroll,
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_select->height());
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addButton(tr::lng_close(), [=] { closeBox(); });
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setDimensions(st::boxWidth, st::boxMaxListHeight);
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_inner->mustScrollTo(
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) | rpl::on_next([=](ScrollToRequest request) {
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scrollToY(request.ymin, request.ymax);
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}, lifetime());
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}
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void CountrySelectBox::submit() {
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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::applyFilterUpdate(const QString &query) {
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scrollToY(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(
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QWidget *parent,
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const QString &iso,
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Type type)
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: RpWidget(parent)
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, _type(type)
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, _rowHeight(st::countryRowHeight) {
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setAttribute(Qt::WA_OpaquePaintEvent);
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const auto &byISO2 = Countries::Instance().byISO2();
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if (byISO2.contains(iso)) {
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LastValidISO = iso;
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}
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rpl::single(
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) | rpl::then(
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Countries::Instance().updated()
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) | rpl::on_next([=] {
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_mustScrollTo.fire(ScrollToRequest(0, 0));
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_list.clear();
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_namesList.clear();
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init();
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const auto filter = _filter;
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_filter = u"a"_q;
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updateFilter(filter);
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}, lifetime());
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}
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void CountrySelectBox::Inner::init() {
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const auto &byISO2 = Countries::Instance().byISO2();
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const auto extractEntries = [&](const Countries::Info &info) {
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for (const auto &code : info.codes) {
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_list.push_back(Entry{
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.country = info.name,
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.iso2 = info.iso2,
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.code = code.callingCode,
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.alternativeName = info.alternativeName,
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});
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}
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};
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_list.reserve(byISO2.size());
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_namesList.reserve(byISO2.size());
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const auto l = byISO2.constFind(LastValidISO);
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const auto lastValid = (l != byISO2.cend()) ? (*l) : nullptr;
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if (lastValid) {
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extractEntries(*lastValid);
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}
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for (const auto &entry : Countries::Instance().list()) {
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if (&entry != lastValid) {
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extractEntries(entry);
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}
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}
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auto index = 0;
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for (const auto &info : _list) {
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static const auto RegExp = QRegularExpression("[\\s\\-]");
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auto full = info.country
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+ ' '
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+ (!info.alternativeName.isEmpty()
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? info.alternativeName
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: QString());
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const auto namesList = std::move(full).toLower().split(
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RegExp,
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Qt::SkipEmptyParts);
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auto &names = _namesList.emplace_back();
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names.reserve(namesList.size());
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for (const auto &name : namesList) {
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const auto part = name.trimmed();
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if (part.isEmpty()) {
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continue;
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}
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const auto ch = part[0];
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auto &byLetter = _byLetter[ch];
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if (byLetter.empty() || byLetter.back() != index) {
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byLetter.push_back(index);
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}
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names.push_back(part);
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}
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++index;
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}
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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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const auto &list = current();
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if (list.empty()) {
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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), tr::lng_country_none(tr::now), style::al_center);
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return;
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}
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const auto l = int(list.size());
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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 = std::clamp((r.y() - st::countriesSkip) / _rowHeight, 0, l);
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int32 to = std::clamp((r.y() + r.height() - st::countriesSkip + _rowHeight - 1) / _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());
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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("+") + list[i].code;
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auto codeWidth = st::countryRowCodeFont->width(code);
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auto name = list[i].country;
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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::boxScroll.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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if (_type == Type::Phones) {
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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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}
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}
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void CountrySelectBox::Inner::enterEventHook(QEnterEvent *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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const auto &list = current();
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if (_pressed >= 0 && _pressed < list.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 = RippleAnimation::RectMask(QSize(width(), _rowHeight));
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_ripples[_pressed] = std::make_unique<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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|
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void CountrySelectBox::Inner::updateFilter(QString filter) {
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const auto words = TextUtilities::PrepareSearchWords(filter);
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filter = words.isEmpty() ? QString() : words.join(' ');
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||||
if (_filter == filter) {
|
||||
return;
|
||||
}
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_filter = filter;
|
||||
|
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const auto findWord = [&](
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const std::vector<QString> &names,
|
||||
const QString &word) {
|
||||
for (const auto &name : names) {
|
||||
if (name.startsWith(word)) {
|
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return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
};
|
||||
const auto hasAllWords = [&](const std::vector<QString> &names) {
|
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for (const auto &word : words) {
|
||||
if (!findWord(names, word)) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
};
|
||||
if (!_filter.isEmpty()) {
|
||||
_filtered.clear();
|
||||
for (const auto index : _byLetter[_filter[0].toLower()]) {
|
||||
if (hasAllWords(_namesList[index])) {
|
||||
_filtered.push_back(_list[index]);
|
||||
}
|
||||
}
|
||||
}
|
||||
refresh();
|
||||
_selected = current().empty() ? -1 : 0;
|
||||
update();
|
||||
}
|
||||
|
||||
void CountrySelectBox::Inner::selectSkip(int32 dir) {
|
||||
_mouseSelection = false;
|
||||
|
||||
const auto &list = current();
|
||||
int cur = (_selected >= 0) ? _selected : -1;
|
||||
cur += dir;
|
||||
if (cur <= 0) {
|
||||
_selected = list.empty() ? -1 : 0;
|
||||
} else if (cur >= list.size()) {
|
||||
_selected = -1;
|
||||
} else {
|
||||
_selected = cur;
|
||||
}
|
||||
if (_selected >= 0) {
|
||||
_mustScrollTo.fire(ScrollToRequest(
|
||||
st::countriesSkip + _selected * _rowHeight,
|
||||
st::countriesSkip + (_selected + 1) * _rowHeight));
|
||||
}
|
||||
update();
|
||||
}
|
||||
|
||||
void CountrySelectBox::Inner::selectSkipPage(int32 h, int32 dir) {
|
||||
int32 points = h / _rowHeight;
|
||||
if (!points) return;
|
||||
selectSkip(points * dir);
|
||||
}
|
||||
|
||||
void CountrySelectBox::Inner::chooseCountry() {
|
||||
const auto &list = current();
|
||||
_countryChosen.fire_copy((_selected >= 0 && _selected < list.size())
|
||||
? list[_selected]
|
||||
: Entry());
|
||||
}
|
||||
|
||||
void CountrySelectBox::Inner::refresh() {
|
||||
const auto &list = current();
|
||||
resize(width(), list.empty() ? st::noContactsHeight : (list.size() * _rowHeight + st::countriesSkip));
|
||||
}
|
||||
|
||||
void CountrySelectBox::Inner::updateSelected(QPoint localPos) {
|
||||
if (!_mouseSelection) return;
|
||||
|
||||
auto in = parentWidget()->rect().contains(parentWidget()->mapFromGlobal(QCursor::pos()));
|
||||
|
||||
const auto &list = current();
|
||||
auto selected = (in && localPos.y() >= st::countriesSkip && localPos.y() < st::countriesSkip + list.size() * _rowHeight) ? ((localPos.y() - st::countriesSkip) / _rowHeight) : -1;
|
||||
if (_selected != selected) {
|
||||
updateSelectedRow();
|
||||
_selected = selected;
|
||||
updateSelectedRow();
|
||||
}
|
||||
}
|
||||
|
||||
auto CountrySelectBox::Inner::current() const
|
||||
-> const std::vector<CountrySelectBox::Entry> & {
|
||||
return _filter.isEmpty() ? _list : _filtered;
|
||||
}
|
||||
|
||||
void CountrySelectBox::Inner::updateSelectedRow() {
|
||||
updateRow(_selected);
|
||||
}
|
||||
|
||||
void CountrySelectBox::Inner::updateRow(int index) {
|
||||
if (index >= 0) {
|
||||
update(0, st::countriesSkip + index * _rowHeight, width(), _rowHeight);
|
||||
}
|
||||
}
|
||||
|
||||
void CountrySelectBox::Inner::setPressed(int pressed) {
|
||||
if (_pressed >= 0 && _pressed < _ripples.size() && _ripples[_pressed]) {
|
||||
_ripples[_pressed]->lastStop();
|
||||
}
|
||||
_pressed = pressed;
|
||||
}
|
||||
|
||||
CountrySelectBox::Inner::~Inner() = default;
|
||||
|
||||
} // namespace Ui
|
||||
Reference in New Issue
Block a user