262 lines
6.9 KiB
C++
262 lines
6.9 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/boxes/auto_delete_settings.h"
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#include "ui/widgets/checkbox.h"
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#include "lang/lang_keys.h"
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#include "styles/style_chat.h"
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#include "styles/style_layers.h"
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namespace Ui {
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namespace {
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object_ptr<Ui::RpWidget> CreateSliderForTTL(
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not_null<QWidget*> parent,
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std::vector<QString> labels,
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int dashedAfterIndex,
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int selected,
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Fn<void(int)> callback) {
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Expects(labels.size() > 1);
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Expects(selected >= 0 && selected < labels.size());
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Expects(dashedAfterIndex >= 0 && dashedAfterIndex < labels.size());
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struct State {
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std::vector<int> points;
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std::vector<QString> labels;
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int selected = 0;
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};
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static const auto st = &st::defaultSliderForTTL;
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const auto height = st->font->height + st->skip + st->chosenSize;
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const auto count = int(labels.size());
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auto result = object_ptr<Ui::FixedHeightWidget>(parent.get(), height);
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const auto raw = result.data();
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const auto slider = Ui::CreateChild<Ui::FixedHeightWidget>(
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raw,
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st->chosenSize);
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slider->setCursor(style::cur_pointer);
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slider->move(0, height - slider->height());
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auto &lifetime = raw->lifetime();
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const auto state = lifetime.make_state<State>(State{
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.labels = std::move(labels),
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.selected = selected
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});
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state->points.resize(count, 0);
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raw->widthValue(
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) | rpl::start_with_next([=](int width) {
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for (auto i = 0; i != count; ++i) {
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state->points[i] = (width * i) / (count - 1);
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}
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slider->resize(width, slider->height());
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}, lifetime);
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raw->paintRequest(
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) | rpl::start_with_next([=] {
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auto p = QPainter(raw);
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p.setFont(st->font);
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for (auto i = 0; i != count; ++i) {
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// Label
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p.setPen(st->textFg);
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const auto &text = state->labels[i];
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const auto textWidth = st->font->width(text);
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const auto shift = (i == count - 1)
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? textWidth
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: (i > 0)
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? (textWidth / 2)
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: 0;
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const auto x = state->points[i] - shift;
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const auto y = st->font->ascent;
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p.drawText(x, y, text);
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}
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}, lifetime);
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slider->paintRequest(
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) | rpl::start_with_next([=] {
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auto p = QPainter(slider);
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auto hq = PainterHighQualityEnabler(p);
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p.setFont(st->font);
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for (auto i = 0; i != count; ++i) {
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const auto middle = (st->chosenSize / 2.);
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// Point
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const auto size = (i == state->selected)
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? st->chosenSize
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: st->pointSize;
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const auto pointfg = (i <= state->selected)
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? st->activeFg
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: st->inactiveFg;
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const auto shift = (i == count - 1)
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? float64(size)
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: (i > 0)
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? (size / 2.)
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: 0.;
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const auto pointx = state->points[i] - shift;
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const auto pointy = middle - (size / 2.);
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p.setPen(Qt::NoPen);
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p.setBrush(pointfg);
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p.drawEllipse(QRectF{ pointx, pointy, size * 1., size * 1. });
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// Line
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if (i + 1 == count) {
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break;
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}
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const auto nextSize = (i + 1 == state->selected)
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? st->chosenSize
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: st->pointSize;
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const auto nextShift = (i + 1 == count - 1)
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? float64(nextSize)
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: (nextSize / 2.);
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const auto &linefg = (i + 1 <= state->selected)
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? st->activeFg
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: st->inactiveFg;
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const auto from = pointx + size + st->stroke * 1.5;
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const auto till = state->points[i + 1] - nextShift - st->stroke * 1.5;
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auto pen = linefg->p;
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pen.setWidthF(st->stroke);
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if (i >= dashedAfterIndex) {
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// Try to fill the line with exact number of dash segments.
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// UPD Doesn't work so well because it changes when clicking.
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//const auto length = till - from;
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//const auto offSegmentsCount = int(std::round(
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// (length - st->dashOn) / (st->dashOn + st->dashOff)));
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//const auto onSegmentsCount = offSegmentsCount + 1;
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//const auto idealLength = offSegmentsCount * st->dashOff
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// + onSegmentsCount * st->dashOn;
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//const auto multiplier = length / float64(idealLength);
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const auto multiplier = 1.;
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auto dashPattern = QVector<qreal>{
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st->dashOn * multiplier / st->stroke,
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st->dashOff * multiplier / st->stroke
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};
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pen.setDashPattern(dashPattern);
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}
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pen.setCapStyle(Qt::RoundCap);
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p.setPen(pen);
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p.setBrush(Qt::NoBrush);
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p.drawLine(QPointF(from, middle), QPointF(till, middle));
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}
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}, lifetime);
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slider->events(
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) | rpl::filter([=](not_null<QEvent*> e) {
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return (e->type() == QEvent::MouseButtonPress)
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&& (static_cast<QMouseEvent*>(e.get())->button()
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== Qt::LeftButton)
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&& (state->points[1] > 0);
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}) | rpl::map([=](not_null<QEvent*> e) {
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return rpl::single(
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static_cast<QMouseEvent*>(e.get())->pos()
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) | rpl::then(slider->events(
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) | rpl::take_while([=](not_null<QEvent*> e) {
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return (e->type() != QEvent::MouseButtonRelease)
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|| (static_cast<QMouseEvent*>(e.get())->button()
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!= Qt::LeftButton);
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}) | rpl::filter([=](not_null<QEvent*> e) {
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return (e->type() == QEvent::MouseMove);
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}) | rpl::map([=](not_null<QEvent*> e) {
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return static_cast<QMouseEvent*>(e.get())->pos();
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}));
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}) | rpl::flatten_latest(
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) | rpl::start_with_next([=](QPoint position) {
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state->selected = std::clamp(
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(position.x() + (state->points[1] / 2)) / state->points[1],
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0,
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count - 1);
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slider->update();
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callback(state->selected);
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}, lifetime);
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return result;
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}
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} // namespace
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void AutoDeleteSettingsBox(
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not_null<Ui::GenericBox*> box,
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TimeId ttlPeriod,
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rpl::producer<QString> about,
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Fn<void(TimeId)> callback) {
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box->setTitle(tr::lng_manage_messages_ttl_title());
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struct State {
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TimeId period = 0;
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};
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const auto state = box->lifetime().make_state<State>(State{
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.period = ttlPeriod,
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});
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const auto options = std::vector<QString>{
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tr::lng_manage_messages_ttl_never(tr::now),
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//u"5 seconds"_q, AssertIsDebug()
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tr::lng_manage_messages_ttl_after1(tr::now),
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tr::lng_manage_messages_ttl_after2(tr::now),
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};
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const auto periodToIndex = [&](TimeId period) {
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return !period
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? 0
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//: (period == 5) AssertIsDebug()
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//? 1 AssertIsDebug()
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: (period < 3 * 86400)
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? 1
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: 2;
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};
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const auto indexToPeriod = [&](int index) {
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return !index
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? 0
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//: (index == 1) AssertIsDebug()
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//? 5 AssertIsDebug()
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: (index == 1)
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? 86400
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: 7 * 86400;
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};
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const auto sliderCallback = [=](int index) {
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state->period = indexToPeriod(index);
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};
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const auto slider = box->addRow(
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CreateSliderForTTL(
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box,
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options | ranges::to_vector,
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options.size() - 1,
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periodToIndex(ttlPeriod),
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sliderCallback),
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{
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st::boxRowPadding.left(),
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0,
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st::boxRowPadding.right(),
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st::boxMediumSkip });
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const auto description = box->addRow(
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object_ptr<Ui::DividerLabel>(
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box,
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object_ptr<Ui::FlatLabel>(
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box,
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std::move(about),
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st::boxDividerLabel),
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st::ttlDividerLabelPadding),
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style::margins());
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box->addButton(tr::lng_settings_save(), [=] {
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const auto period = state->period;
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box->closeBox();
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callback(period);
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});
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box->addButton(tr::lng_cancel(), [=] { box->closeBox(); });
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}
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} // namespace Ui
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