tdesktop/Telegram/SourceFiles/info/settings/info_settings_widget.cpp

112 lines
2.7 KiB
C++

/*
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 "info/info_controller.h"
#include "settings/settings_common.h"
#include "ui/ui_utility.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())
, _inner(setInnerWidget(::Settings::CreateSection(
_type,
this,
controller->parentController()))) {
_inner->sectionShowOther(
) | rpl::start_with_next([=](Type type) {
controller->showSettings(type);
}, _inner->lifetime());
controller->setCanSaveChanges(_inner->sectionCanSaveChanges());
}
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);
}
rpl::producer<bool> Widget::canSaveChanges() const {
return _inner->sectionCanSaveChanges();
}
void Widget::saveChanges(FnMut<void()> done) {
_inner->sectionSaveChanges(std::move(done));
}
rpl::producer<bool> Widget::desiredShadowVisibility() const {
return (_type == Type::Main || _type == Type::Information)
? ContentWidget::desiredShadowVisibility()
: rpl::single(true);
}
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