495 lines
14 KiB
C++
495 lines
14 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 "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) : TWidget(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 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(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<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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_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::onChooseCountry(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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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, tr::lng_country_ph()) {
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}
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CountrySelectBox::CountrySelectBox(QWidget*, const QString &iso, Type type)
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: _type(type)
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, _select(this, st::contactsMultiSelect, tr::lng_country_ph()) {
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if (Data::CountriesByISO2().contains(iso)) {
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LastValidISO = iso;
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}
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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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object_ptr<Inner>(this, _type),
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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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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::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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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, Type type)
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: TWidget(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 = Data::CountriesByISO2();
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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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_list.emplace_back(lastValid);
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}
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for (const auto &entry : Data::Countries()) {
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if (&entry != lastValid) {
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_list.emplace_back(&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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auto full = QString::fromUtf8(info->name)
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+ ' '
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+ (info->alternativeName
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? QString::fromUtf8(info->alternativeName)
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: QString());
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const auto namesList = std::move(full).toLower().split(
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QRegularExpression("[\\s\\-]"),
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base::QStringSkipEmptyParts);
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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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_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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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 = 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 = 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());
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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 = QString::fromUtf8(list[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::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(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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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 = 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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const 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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return;
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}
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_filter = filter;
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const auto findWord = [&](
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const std::vector<QString> &names,
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const QString &word) {
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for (const auto &name : names) {
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if (name.startsWith(word)) {
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return true;
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}
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}
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return false;
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};
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const auto hasAllWords = [&](const std::vector<QString> &names) {
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for (const auto &word : words) {
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if (!findWord(names, word)) {
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return false;
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}
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}
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return true;
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};
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if (!_filter.isEmpty()) {
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_filtered.clear();
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for (const auto index : _byLetter[_filter[0].toLower()]) {
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const auto &names = _namesList[index];
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if (hasAllWords(_namesList[index])) {
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_filtered.push_back(_list[index]);
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}
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}
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}
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refresh();
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_selected = current().empty() ? -1 : 0;
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update();
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}
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void CountrySelectBox::Inner::selectSkip(int32 dir) {
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_mouseSelection = false;
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const auto &list = current();
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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 = list.empty() ? -1 : 0;
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} else if (cur >= list.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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const auto &list = current();
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emit countryChosen((_selected >= 0 && _selected < list.size())
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? QString(list[_selected]->iso2)
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: QString());
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}
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void CountrySelectBox::Inner::refresh() {
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const auto &list = current();
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resize(width(), list.empty() ? st::noContactsHeight : (list.size() * _rowHeight + st::countriesSkip));
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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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const auto &list = current();
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auto selected = (in && localPos.y() >= st::countriesSkip && localPos.y() < st::countriesSkip + list.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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auto CountrySelectBox::Inner::current() const
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-> const std::vector<not_null<const Data::CountryInfo*>> & {
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return _filter.isEmpty() ? _list : _filtered;
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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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