init

Telegram/SourceFiles/ui/controls/invite_link_label.cpp

@@ -0,0 +1,112 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "ui/controls/invite_link_label.h"
+
+#include "ui/painter.h"
+#include "ui/rp_widget.h"
+#include "ui/widgets/labels.h"
+#include "ui/widgets/buttons.h"
+#include "ui/widgets/popup_menu.h"
+#include "styles/style_info.h"
+
+namespace Ui {
+
+InviteLinkLabel::InviteLinkLabel(
+	not_null<QWidget*> parent,
+	rpl::producer<QString> text,
+	Fn<base::unique_qptr<PopupMenu>()> createMenu)
+: _outer(std::in_place, parent) {
+	_outer->resize(_outer->width(), st::inviteLinkFieldHeight);
+	const auto label = CreateChild<FlatLabel>(
+		_outer.get(),
+		std::move(text),
+		createMenu ? st::defaultFlatLabel : st::inviteLinkFieldLabel);
+	label->setAttribute(Qt::WA_TransparentForMouseEvents);
+
+	const auto button = createMenu
+		? CreateChild<IconButton>(_outer.get(), st::inviteLinkThreeDots)
+		: (IconButton*)(nullptr);
+
+	_outer->widthValue(
+	) | rpl::on_next([=](int width) {
+		const auto margin = st::inviteLinkFieldMargin;
+		const auto labelWidth = width - margin.left() - margin.right();
+		label->resizeToWidth(labelWidth);
+		label->moveToLeft(
+			createMenu
+				? margin.left()
+				: (width - labelWidth) / 2,
+			margin.top());
+		if (button) {
+			button->moveToRight(0, 0);
+		}
+	}, _outer->lifetime());
+
+	_outer->paintRequest(
+	) | rpl::on_next([=] {
+		auto p = QPainter(_outer.get());
+		p.setPen(Qt::NoPen);
+		p.setBrush(st::filterInputInactiveBg);
+		{
+			PainterHighQualityEnabler hq(p);
+			p.drawRoundedRect(
+				_outer->rect(),
+				st::inviteLinkFieldRadius,
+				st::inviteLinkFieldRadius);
+		}
+	}, _outer->lifetime());
+
+	_outer->setCursor(style::cur_pointer);
+
+	if (createMenu) {
+		rpl::merge(
+			button->clicks() | rpl::to_empty,
+			_outer->events(
+			) | rpl::filter([=](not_null<QEvent*> event) {
+				return (event->type() == QEvent::MouseButtonPress)
+					&& (static_cast<QMouseEvent*>(event.get())->button()
+						== Qt::RightButton);
+			}) | rpl::to_empty
+		) | rpl::on_next([=] {
+			if (_menu) {
+				_menu = nullptr;
+			} else if ((_menu = createMenu())) {
+				_menu->popup(QCursor::pos());
+			}
+		}, _outer->lifetime());
+	}
+}
+
+object_ptr<RpWidget> InviteLinkLabel::take() {
+	return object_ptr<RpWidget>::fromRaw(_outer.get());
+}
+
+rpl::producer<> InviteLinkLabel::clicks() {
+	return _outer->events(
+	) | rpl::filter([=](not_null<QEvent*> event) {
+		return (event->type() == QEvent::MouseButtonPress)
+			&& (static_cast<QMouseEvent*>(event.get())->button()
+				== Qt::LeftButton);
+	}) | rpl::map([=](not_null<QEvent*> event) {
+		return _outer->events(
+		) | rpl::filter([=](not_null<QEvent*> event) {
+			return (event->type() == QEvent::MouseButtonRelease)
+				&& (static_cast<QMouseEvent*>(event.get())->button()
+					== Qt::LeftButton);
+		}) | rpl::take(1) | rpl::filter([=](not_null<QEvent*> event) {
+			return (_outer->rect().contains(
+				static_cast<QMouseEvent*>(event.get())->pos()));
+		});
+	}) | rpl::flatten_latest() | rpl::to_empty;
+}
+
+rpl::lifetime &InviteLinkLabel::lifetime() {
+	return _outer->lifetime();
+}
+
+} // namespace Ui