112 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			112 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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| 
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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/controls/invite_link_label.h"
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| 
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| #include "ui/painter.h"
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| #include "ui/rp_widget.h"
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| #include "ui/widgets/labels.h"
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| #include "ui/widgets/buttons.h"
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| #include "ui/widgets/popup_menu.h"
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| #include "styles/style_info.h"
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| 
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| namespace Ui {
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| 
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| InviteLinkLabel::InviteLinkLabel(
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| 	not_null<QWidget*> parent,
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| 	rpl::producer<QString> text,
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| 	Fn<base::unique_qptr<PopupMenu>()> createMenu)
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| : _outer(std::in_place, parent) {
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| 	_outer->resize(_outer->width(), st::inviteLinkFieldHeight);
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| 	const auto label = CreateChild<FlatLabel>(
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| 		_outer.get(),
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| 		std::move(text),
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| 		createMenu ? st::defaultFlatLabel : st::inviteLinkFieldLabel);
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| 	label->setAttribute(Qt::WA_TransparentForMouseEvents);
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| 
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| 	const auto button = createMenu
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| 		? CreateChild<IconButton>(_outer.get(), st::inviteLinkThreeDots)
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| 		: (IconButton*)(nullptr);
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| 
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| 	_outer->widthValue(
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| 	) | rpl::start_with_next([=](int width) {
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| 		const auto margin = st::inviteLinkFieldMargin;
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| 		const auto labelWidth = width - margin.left() - margin.right();
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| 		label->resizeToWidth(labelWidth);
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| 		label->moveToLeft(
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| 			createMenu
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| 				? margin.left()
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| 				: (width - labelWidth) / 2,
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| 			margin.top());
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| 		if (button) {
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| 			button->moveToRight(0, 0);
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| 		}
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| 	}, _outer->lifetime());
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| 
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| 	_outer->paintRequest(
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| 	) | rpl::start_with_next([=] {
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| 		auto p = QPainter(_outer.get());
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| 		p.setPen(Qt::NoPen);
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| 		p.setBrush(st::filterInputInactiveBg);
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| 		{
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| 			PainterHighQualityEnabler hq(p);
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| 			p.drawRoundedRect(
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| 				_outer->rect(),
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| 				st::inviteLinkFieldRadius,
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| 				st::inviteLinkFieldRadius);
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| 		}
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| 	}, _outer->lifetime());
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| 
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| 	_outer->setCursor(style::cur_pointer);
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| 
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| 	if (createMenu) {
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| 		rpl::merge(
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| 			button->clicks() | rpl::to_empty,
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| 			_outer->events(
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| 			) | rpl::filter([=](not_null<QEvent*> event) {
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| 				return (event->type() == QEvent::MouseButtonPress)
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| 					&& (static_cast<QMouseEvent*>(event.get())->button()
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| 						== Qt::RightButton);
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| 			}) | rpl::to_empty
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| 		) | rpl::start_with_next([=] {
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| 			if (_menu) {
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| 				_menu = nullptr;
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| 			} else if ((_menu = createMenu())) {
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| 				_menu->popup(QCursor::pos());
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| 			}
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| 		}, _outer->lifetime());
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| 	}
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| }
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| 
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| object_ptr<RpWidget> InviteLinkLabel::take() {
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| 	return object_ptr<RpWidget>::fromRaw(_outer.get());
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| }
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| 
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| rpl::producer<> InviteLinkLabel::clicks() {
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| 	return _outer->events(
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| 	) | rpl::filter([=](not_null<QEvent*> event) {
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| 		return (event->type() == QEvent::MouseButtonPress)
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| 			&& (static_cast<QMouseEvent*>(event.get())->button()
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| 				== Qt::LeftButton);
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| 	}) | rpl::map([=](not_null<QEvent*> event) {
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| 		return _outer->events(
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| 		) | rpl::filter([=](not_null<QEvent*> event) {
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| 			return (event->type() == QEvent::MouseButtonRelease)
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| 				&& (static_cast<QMouseEvent*>(event.get())->button()
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| 					== Qt::LeftButton);
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| 		}) | rpl::take(1) | rpl::filter([=](not_null<QEvent*> event) {
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| 			return (_outer->rect().contains(
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| 				static_cast<QMouseEvent*>(event.get())->pos()));
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| 		});
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| 	}) | rpl::flatten_latest() | rpl::to_empty;
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| }
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| 
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| rpl::lifetime &InviteLinkLabel::lifetime() {
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| 	return _outer->lifetime();
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| }
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| 
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| } // namespace Ui
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