Section dummies for new Settings.

Telegram/SourceFiles/info/settings/info_settings_widget.cpp

@@ -0,0 +1,91 @@
+/*
+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 "info/settings/info_settings_widget.h"
+
+#include "info/info_memento.h"
+#include "settings/settings_common.h"
+
+namespace Info {
+namespace Settings {
+
+Memento::Memento(not_null<UserData*> self, Type type)
+: ContentMemento(Tag{ self })
+, _type(type) {
+}
+
+Section Memento::section() const {
+	return Section(_type);
+}
+
+object_ptr<ContentWidget> Memento::createWidget(
+		QWidget *parent,
+		not_null<Controller*> controller,
+		const QRect &geometry) {
+	auto result = object_ptr<Widget>(
+		parent,
+		controller);
+	result->setInternalState(geometry, this);
+	return std::move(result);
+}
+
+Memento::~Memento() = default;
+
+Widget::Widget(
+	QWidget *parent,
+	not_null<Controller*> controller)
+: ContentWidget(parent, controller)
+, _self(controller->key().settingsSelf())
+, _type(controller->section().settingsType()) {
+	const auto inner = setInnerWidget(
+		::Settings::CreateSection(_type, this, _self));
+	inner->sectionShowOther(
+	) | rpl::start_with_next([=](Type type) {
+		this->controller()->showSettings(type);
+	}, inner->lifetime());
+}
+
+not_null<UserData*> Widget::self() const {
+	return _self;
+}
+
+bool Widget::showInternal(not_null<ContentMemento*> memento) {
+	//if (const auto myMemento = dynamic_cast<Memento*>(memento.get())) {
+	//	Assert(myMemento->self() == self());
+
+	//	if (_inner->showInternal(myMemento)) {
+	//		return true;
+	//	}
+	//}
+	return false;
+}
+
+void Widget::setInternalState(
+		const QRect &geometry,
+		not_null<Memento*> memento) {
+	setGeometry(geometry);
+	Ui::SendPendingMoveResizeEvents(this);
+	restoreState(memento);
+}
+
+std::unique_ptr<ContentMemento> Widget::doCreateMemento() {
+	auto result = std::make_unique<Memento>(self(), _type);
+	saveState(result.get());
+	return std::move(result);
+}
+
+void Widget::saveState(not_null<Memento*> memento) {
+	memento->setScrollTop(scrollTopSave());
+}
+
+void Widget::restoreState(not_null<Memento*> memento) {
+	const auto scrollTop = memento->scrollTop();
+	scrollTopRestore(memento->scrollTop());
+}
+
+} // namespace Settings
+} // namespace Info