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

253 lines
6.4 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 "settings/settings_common.h"
#include "settings/settings_main.h"
#include "settings/settings_information.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 result;
}
Memento::~Memento() = default;
Widget::Widget(
QWidget *parent,
not_null<Controller*> controller)
: ContentWidget(parent, controller)
, _self(controller->key().settingsSelf())
, _type(controller->section().settingsType())
, _inner([&] {
auto inner = _type()->create(this, controller->parentController());
if (inner->hasFlexibleTopBar()) {
auto filler = setInnerWidget(object_ptr<Ui::RpWidget>(this));
filler->resize(1, 1);
_flexibleScroll.contentHeightValue.events(
) | rpl::start_with_next([=](int h) {
filler->resize(filler->width(), h);
}, filler->lifetime());
filler->widthValue(
) | rpl::start_to_stream(
_flexibleScroll.fillerWidthValue,
lifetime());
controller->stepDataReference() = SectionCustomTopBarData{
.backButtonEnables = _flexibleScroll.backButtonEnables.events(),
.wrapValue = controller->wrapValue(),
};
// ScrollArea -> PaddingWrap -> RpWidget.
inner->setParent(filler->parentWidget()->parentWidget());
inner->raise();
using InnerPtr = base::unique_qptr<::Settings::AbstractSection>;
auto owner = filler->lifetime().make_state<InnerPtr>(
std::move(inner.release()));
return owner->get();
} else {
return setInnerWidget(std::move(inner));
}
}())
, _pinnedToTop(_inner->createPinnedToTop(this))
, _pinnedToBottom(_inner->createPinnedToBottom(this)) {
_inner->sectionShowOther(
) | rpl::start_with_next([=](Type type) {
controller->showSettings(type);
}, _inner->lifetime());
_inner->sectionShowBack(
) | rpl::start_with_next([=] {
controller->showBackFromStack();
}, _inner->lifetime());
_inner->setStepDataReference(controller->stepDataReference());
_removesFromStack.events(
) | rpl::start_with_next([=](const std::vector<Type> &types) {
const auto sections = ranges::views::all(
types
) | ranges::views::transform([](Type type) {
return Section(type);
}) | ranges::to_vector;
controller->removeFromStack(sections);
}, _inner->lifetime());
if (_pinnedToTop) {
_inner->widthValue(
) | rpl::start_with_next([=](int w) {
_pinnedToTop->resizeToWidth(w);
setScrollTopSkip(_pinnedToTop->height());
}, _pinnedToTop->lifetime());
_pinnedToTop->heightValue(
) | rpl::start_with_next([=](int h) {
setScrollTopSkip(h);
}, _pinnedToTop->lifetime());
}
if (_pinnedToBottom) {
const auto processHeight = [=](int bottomHeight, int height) {
setScrollBottomSkip(bottomHeight);
_pinnedToBottom->moveToLeft(
_pinnedToBottom->x(),
height - bottomHeight);
};
_inner->sizeValue(
) | rpl::start_with_next([=](const QSize &s) {
_pinnedToBottom->resizeToWidth(s.width());
processHeight(_pinnedToBottom->height(), height());
}, _pinnedToBottom->lifetime());
rpl::combine(
_pinnedToBottom->heightValue(),
heightValue()
) | rpl::start_with_next(processHeight, _pinnedToBottom->lifetime());
}
if (_pinnedToTop
&& _pinnedToTop->minimumHeight()
&& _inner->hasFlexibleTopBar()) {
const auto heightDiff = [=] {
return _pinnedToTop->maximumHeight()
- _pinnedToTop->minimumHeight();
};
rpl::combine(
_pinnedToTop->heightValue(),
_inner->heightValue()
) | rpl::start_with_next([=](int, int h) {
_flexibleScroll.contentHeightValue.fire(h + heightDiff());
}, _pinnedToTop->lifetime());
scrollTopValue(
) | rpl::start_with_next([=](int top) {
if (!_pinnedToTop) {
return;
}
const auto current = heightDiff() - top;
_inner->moveToLeft(0, std::min(0, current));
_pinnedToTop->resize(
_pinnedToTop->width(),
std::max(current + _pinnedToTop->minimumHeight(), 0));
}, _inner->lifetime());
_flexibleScroll.fillerWidthValue.events(
) | rpl::start_with_next([=](int w) {
_inner->resizeToWidth(w);
}, _inner->lifetime());
setPaintPadding({ 0, _pinnedToTop->minimumHeight(), 0, 0 });
setViewport(_pinnedToTop->events(
) | rpl::filter([](not_null<QEvent*> e) {
return e->type() == QEvent::Wheel;
}));
}
}
Widget::~Widget() = default;
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);
}
void Widget::saveChanges(FnMut<void()> done) {
_inner->sectionSaveChanges(std::move(done));
}
void Widget::showFinished() {
_inner->showFinished();
_inner->removeFromStack(
) | rpl::start_to_stream(_removesFromStack, lifetime());
}
void Widget::setInnerFocus() {
_inner->setInnerFocus();
}
const Ui::RoundRect *Widget::bottomSkipRounding() const {
return _inner->bottomSkipRounding();
}
rpl::producer<bool> Widget::desiredShadowVisibility() const {
return (_type == ::Settings::Main::Id()
|| _type == ::Settings::Information::Id())
? ContentWidget::desiredShadowVisibility()
: rpl::single(true);
}
rpl::producer<QString> Widget::title() {
return _inner->title();
}
std::shared_ptr<ContentMemento> Widget::doCreateMemento() {
auto result = std::make_shared<Memento>(self(), _type);
saveState(result.get());
return result;
}
void Widget::enableBackButton() {
_flexibleScroll.backButtonEnables.fire({});
}
void Widget::saveState(not_null<Memento*> memento) {
memento->setScrollTop(scrollTopSave());
}
void Widget::restoreState(not_null<Memento*> memento) {
scrollTopRestore(memento->scrollTop());
}
} // namespace Settings
} // namespace Info