266 lines
		
	
	
	
		
			7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			266 lines
		
	
	
	
		
			7 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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| 
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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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| 
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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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| 
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| namespace Ui {
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| namespace {
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 	return result;
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| }
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| 
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| } // namespace
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| 
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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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| 
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| 	struct State {
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| 		TimeId period = 0;
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| 	};
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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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| 
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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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| 		tr::lng_manage_messages_ttl_after3(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 < 2 * 86400)
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| 			? 1
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| 			: (period < 8 * 86400)
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| 			? 2
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| 			: 3;
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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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| 			: (index == 2)
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| 			? 7 * 86400
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| 			: 31 * 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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| 	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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| 
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| 	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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| 
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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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| 
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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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| 
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| } // namespace Ui
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