130 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			130 lines
		
	
	
	
		
			3.1 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 "window/window_history_hider.h"
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#include "lang/lang_keys.h"
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#include "ui/widgets/buttons.h"
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#include "ui/widgets/shadow.h"
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#include "mainwidget.h"
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#include "facades.h"
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#include "app.h"
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#include "styles/style_layers.h"
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#include "styles/style_chat.h"
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namespace Window {
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HistoryHider::HistoryHider(
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	QWidget *parent,
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	const QString &text,
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	Fn<bool(PeerId)> confirm)
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: RpWidget(parent)
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, _text(text)
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, _confirm(std::move(confirm)) {
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	Lang::Updated(
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	) | rpl::start_with_next([=] {
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		refreshLang();
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	}, lifetime());
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	subscribe(Global::RefPeerChooseCancel(), [=] { startHide(); });
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	_chooseWidth = st::historyForwardChooseFont->width(_text);
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	resizeEvent(0);
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	_a_opacity.start([this] { update(); }, 0., 1., st::boxDuration);
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}
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void HistoryHider::refreshLang() {
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	InvokeQueued(this, [this] { updateControlsGeometry(); });
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}
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void HistoryHider::paintEvent(QPaintEvent *e) {
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	Painter p(this);
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	auto opacity = _a_opacity.value(_hiding ? 0. : 1.);
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	if (opacity == 0.) {
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		if (_hiding) {
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			_hidden.fire({});
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		}
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		return;
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	}
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	p.setOpacity(opacity);
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	p.fillRect(rect(), st::layerBg);
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	p.setFont(st::historyForwardChooseFont);
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	auto w = st::historyForwardChooseMargins.left() + _chooseWidth + st::historyForwardChooseMargins.right();
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	auto h = st::historyForwardChooseMargins.top() + st::historyForwardChooseFont->height + st::historyForwardChooseMargins.bottom();
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	App::roundRect(p, (width() - w) / 2, (height() - h) / 2, w, h, st::historyForwardChooseBg, ForwardCorners);
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	p.setPen(st::historyForwardChooseFg);
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	p.drawText(_box, _text, QTextOption(style::al_center));
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}
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void HistoryHider::keyPressEvent(QKeyEvent *e) {
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	if (e->key() == Qt::Key_Escape) {
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		startHide();
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	}
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}
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void HistoryHider::mousePressEvent(QMouseEvent *e) {
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	if (e->button() == Qt::LeftButton) {
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		if (!_box.contains(e->pos())) {
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			startHide();
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		}
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	}
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}
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void HistoryHider::startHide() {
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	if (_hiding) return;
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	_hiding = true;
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	if (Adaptive::OneColumn()) {
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		crl::on_main(this, [=] { _hidden.fire({}); });
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	} else {
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		_a_opacity.start([=] { animationCallback(); }, 1., 0., st::boxDuration);
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	}
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}
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void HistoryHider::animationCallback() {
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	update();
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	if (!_a_opacity.animating() && _hiding) {
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		crl::on_main(this, [=] { _hidden.fire({}); });
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	}
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}
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void HistoryHider::confirm() {
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	_confirmed.fire({});
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}
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rpl::producer<> HistoryHider::confirmed() const {
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	return _confirmed.events();
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}
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rpl::producer<> HistoryHider::hidden() const {
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	return _hidden.events();
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}
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void HistoryHider::resizeEvent(QResizeEvent *e) {
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	updateControlsGeometry();
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}
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void HistoryHider::updateControlsGeometry() {
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	auto w = st::boxWidth;
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	auto h = st::boxPadding.top() + st::boxPadding.bottom();
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	h += st::historyForwardChooseFont->height;
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	_box = QRect((width() - w) / 2, (height() - h) / 2, w, h);
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}
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void HistoryHider::offerPeer(PeerId peer) {
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	if (_confirm(peer)) {
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		startHide();
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	}
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}
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HistoryHider::~HistoryHider() {
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}
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} // namespace Window
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