Save section expand state in Info memento.

Telegram/SourceFiles/facades.cpp

@@ -288,7 +288,10 @@ void showPeerHistory(
 	auto ms = getms();
 	LOG(("Show Peer Start"));
 	if (auto m = App::main()) {
-		m->ui_showPeerHistory(peer, Window::SectionShow(), msgId);
+		m->ui_showPeerHistory(
+			peer,
+			Window::SectionShow::Way::ClearStack,
+			msgId);
 	}
 	LOG(("Show Peer End: %1").arg(getms() - ms));
 }

Telegram/SourceFiles/history/history_admin_log_section.cpp

@@ -437,7 +437,8 @@ void Widget::onScroll() {
 	_inner->setVisibleTopBottom(scrollTop, scrollTop + _scroll->height());
 }
 
-void Widget::showAnimatedHook() {
+void Widget::showAnimatedHook(
+		const Window::SectionSlideParams &params) {
 	_fixedBar->setAnimatingMode(true);
 }
 

Telegram/SourceFiles/history/history_admin_log_section.h

@@ -114,7 +114,8 @@ protected:
 	void resizeEvent(QResizeEvent *e) override;
 	void paintEvent(QPaintEvent *e) override;
 
-	void showAnimatedHook() override;
+	void showAnimatedHook(
+		const Window::SectionSlideParams &params) override;
 	void showFinishedHook() override;
 	void doSetInnerFocus() override;
 

Telegram/SourceFiles/info/info_wrap_widget.cpp

@@ -99,7 +99,27 @@ void WrapWidget::createTabs() {
 }
 
 void WrapWidget::showTab(Tab tab) {
-	showContent(createContent(tab));
+	Expects(_content != nullptr);
+	auto direction = (tab > _tab)
+		? SlideDirection::FromRight
+		: SlideDirection::FromLeft;
+	auto newAnotherMemento = _content->createMemento();
+	auto newContent = _anotherTabMemento
+		? createContent(_anotherTabMemento.get())
+		: createContent(tab);
+	auto animationParams = SectionSlideParams();
+//	animationParams.withFade = (wrap() == Wrap::Layer);
+	animationParams.withTabs = true;
+	animationParams.withTopBarShadow = hasTopBarShadow()
+			&& newContent->hasTopBarShadow();
+	animationParams.oldContentCache = grabForShowAnimation(
+		animationParams);
+
+	showContent(std::move(newContent));
+
+	showAnimated(direction, animationParams);
+
+	_anotherTabMemento = std::move(newAnotherMemento);
 }
 
 void WrapWidget::setupTabbedTop(const Section &section) {
@@ -276,11 +296,27 @@ QPixmap WrapWidget::grabForShowAnimation(
 	} else {
 		_topShadow->toggle(_topShadow->toggled(), anim::type::instant);
 	}
+	if (params.withTabs && _topTabs) {
+		_topTabs->hide();
+	}
 	auto result = myGrab(this);
-	if (params.withTopBarShadow) _topShadow->setVisible(true);
+	if (params.withTopBarShadow) {
+		_topShadow->setVisible(true);
+	}
+	if (params.withTabs && _topTabs) {
+		_topTabs->show();
+	}
 	return result;
 }
 
+void WrapWidget::showAnimatedHook(
+		const Window::SectionSlideParams &params) {
+	if (params.withTabs && _topTabs) {
+		_topTabs->show();
+		_topTabsBackground->show();
+	}
+}
+
 void WrapWidget::doSetInnerFocus() {
 	_content->setInnerFocus();
 }
@@ -334,12 +370,14 @@ void WrapWidget::showNewContent(
 	auto needAnimation = (_content != nullptr)
 		&& (params.animated != anim::type::instant);
 	auto animationParams = SectionSlideParams();
+	auto newContent = object_ptr<ContentWidget>(nullptr);
 	if (needAnimation) {
-		auto newContent = createContent(memento);
+		newContent = createContent(memento);
 		animationParams.withTopBarShadow = hasTopBarShadow()
 			&& newContent->hasTopBarShadow();
 		animationParams.oldContentCache = grabForShowAnimation(
 			animationParams);
+//		animationParams.withFade = (wrap() == Wrap::Layer);
 	}
 	if (saveToStack) {
 		auto item = StackItem();
@@ -351,7 +389,12 @@ void WrapWidget::showNewContent(
 	} else if (params.way == Window::SectionShow::Way::ClearStack) {
 		_historyStack.clear();
 	}
-	showNewContent(memento);
+	if (newContent) {
+		setupTop(newContent->section(), newContent->peer()->id);
+		showContent(std::move(newContent));
+	} else {
+		showNewContent(memento);
+	}
 	if (animationParams) {
 		showAnimated(
 			saveToStack

Telegram/SourceFiles/info/info_wrap_widget.h

@@ -106,6 +106,8 @@ public:
 	bool hasTopBarShadow() const override;
 	QPixmap grabForShowAnimation(
 		const Window::SectionSlideParams &params) override;
+	void showAnimatedHook(
+		const Window::SectionSlideParams &params) override;
 
 	bool showInternal(
 		not_null<Window::SectionMemento*> memento,

Telegram/SourceFiles/info/media/info_media_inner_widget.cpp

@@ -20,6 +20,8 @@ Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 */
 #include "info/media/info_media_inner_widget.h"
 
+#include "ui/widgets/labels.h"
+
 namespace Info {
 namespace Media {
 
@@ -30,6 +32,16 @@ InnerWidget::InnerWidget(
 : RpWidget(parent)
 , _peer(peer)
 , _type(type) {
+	auto text = qsl("Media Overview\n\n");
+	auto label = object_ptr<Ui::FlatLabel>(this);
+	label->setText(text.repeated(50));
+	widthValue() | rpl::start_with_next([inner = label.data()](int w) {
+		inner->resizeToWidth(w);
+	}, lifetime());
+	label->heightValue() | rpl::start_with_next([this](int h) {
+		_rowsHeightFake = h;
+		resizeToWidth(width());
+	}, lifetime());
 }
 
 void InnerWidget::visibleTopBottomUpdated(
@@ -46,8 +58,7 @@ void InnerWidget::restoreState(not_null<Memento*> memento) {
 }
 
 int InnerWidget::resizeGetHeight(int newWidth) {
-	auto rowsHeight = _rowsHeightFake;
-	return qMax(rowsHeight, _minHeight);
+	return _rowsHeightFake;
 }
 
 } // namespace Media

Telegram/SourceFiles/info/media/info_media_inner_widget.h

@@ -41,11 +41,6 @@ public:
 		return _type;
 	}
 
-	void resizeToWidth(int newWidth, int minHeight) {
-		_minHeight = minHeight;
-		return RpWidget::resizeToWidth(newWidth);
-	}
-
 	void saveState(not_null<Memento*> memento);
 	void restoreState(not_null<Memento*> memento);
 
@@ -62,7 +57,6 @@ private:
 	int _rowsHeightFake = 0;
 	int _visibleTop = 0;
 	int _visibleBottom = 0;
-	int _minHeight = 0;
 
 };
 

Telegram/SourceFiles/info/profile/info_profile_cover.cpp

@@ -184,6 +184,16 @@ SectionWithToggle *SectionWithToggle::setToggleShown(
 	return this;
 }
 
+void SectionWithToggle::toggle(bool toggled) {
+	if (_toggle) {
+		_toggle->setChecked(toggled);
+	}
+}
+
+bool SectionWithToggle::toggled() const {
+	return _toggle ? _toggle->checked() : false;
+}
+
 rpl::producer<bool> SectionWithToggle::toggledValue() const {
 	if (_toggle) {
 		return rpl::single(_toggle->checked())

Telegram/SourceFiles/info/profile/info_profile_cover.h

@@ -45,6 +45,8 @@ public:
 	using FixedHeightWidget::FixedHeightWidget;
 
 	SectionWithToggle *setToggleShown(rpl::producer<bool> &&shown);
+	void toggle(bool toggled);
+	bool toggled() const;
 	rpl::producer<bool> toggledValue() const;
 
 protected:

Telegram/SourceFiles/info/profile/info_profile_inner_widget.cpp

@@ -22,6 +22,7 @@ Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 
 #include <rpl/combine.h>
 #include <rpl/flatten_latest.h>
+#include "info/info_memento.h"
 #include "info/profile/info_profile_button.h"
 #include "info/profile/info_profile_widget.h"
 #include "info/profile/info_profile_text.h"
@@ -64,7 +65,7 @@ InnerWidget::InnerWidget(
 , _content(setupContent(this, std::move(wrapValue))) {
 	_content->heightValue()
 		| rpl::start_with_next([this](int height) {
-			TWidget::resizeToWidth(width());
+			resizeToWidth(width());
 			_desiredHeight.fire(countDesiredHeight());
 		}, lifetime());
 }
@@ -83,18 +84,17 @@ object_ptr<Ui::RpWidget> InnerWidget::setupContent(
 		RpWidget *parent,
 		rpl::producer<Wrap> &&wrapValue) {
 	auto result = object_ptr<Ui::VerticalLayout>(parent);
-	auto cover = result->add(object_ptr<Cover>(
+	_cover = result->add(object_ptr<Cover>(
 		result,
-		_peer)
-	);
-	cover->setOnlineCount(rpl::single(0));
+		_peer));
+	_cover->setOnlineCount(rpl::single(0));
 	auto details = setupDetails(parent);
 	if (canHideDetailsEver()) {
-		cover->setToggleShown(canHideDetails());
-		result->add(object_ptr<Ui::SlideWrap<>>(
+		_cover->setToggleShown(canHideDetails());
+		_infoWrap = result->add(object_ptr<Ui::SlideWrap<>>(
 			result,
 			std::move(details))
-		)->toggleOn(cover->toggledValue());
+		)->toggleOn(_cover->toggledValue());
 	} else {
 		result->add(std::move(details));
 	}
@@ -262,7 +262,7 @@ void InnerWidget::setupUserButtons(
 }
 
 object_ptr<Ui::RpWidget> InnerWidget::setupSharedMedia(
-		RpWidget *parent) const {
+		RpWidget *parent) {
 	using namespace rpl::mappers;
 
 	auto content = object_ptr<Ui::VerticalLayout>(parent);
@@ -308,8 +308,9 @@ object_ptr<Ui::RpWidget> InnerWidget::setupSharedMedia(
 			[phrase = mediaText(type)](int count) {
 				return phrase(lt_count, count);
 			}
-		)->entity()->addClickHandler([peer = _peer, type] {
-			SharedMediaShowOverview(type, App::history(peer));
+		)->entity()->addClickHandler([this, peer = _peer, type] {
+			_controller->showSection(
+				Info::Memento(peer->id, Section(type)));
 		});
 	};
 	auto addCommonGroupsButton = [&](not_null<UserData*> user) {
@@ -343,13 +344,13 @@ object_ptr<Ui::RpWidget> InnerWidget::setupSharedMedia(
 	auto layout = result->entity();
 
 	layout->add(object_ptr<BoxContentDivider>(result));
-	auto cover = layout->add(object_ptr<SharedMediaCover>(layout));
+	_sharedMediaCover = layout->add(object_ptr<SharedMediaCover>(layout));
 	if (canHideDetailsEver()) {
-		cover->setToggleShown(canHideDetails());
-		layout->add(object_ptr<Ui::SlideWrap<>>(
+		_sharedMediaCover->setToggleShown(canHideDetails());
+		_sharedMediaWrap = layout->add(object_ptr<Ui::SlideWrap<>>(
 			layout,
 			std::move(content))
-		)->toggleOn(cover->toggledValue());
+		)->toggleOn(_sharedMediaCover->toggledValue());
 	} else {
 		layout->add(std::move(content));
 	}
@@ -483,15 +484,25 @@ void InnerWidget::visibleTopBottomUpdated(
 }
 
 void InnerWidget::saveState(not_null<Memento*> memento) {
+	memento->setInfoExpanded(_cover->toggled());
+	memento->setMediaExpanded(_sharedMediaCover->toggled());
 }
 
 void InnerWidget::restoreState(not_null<Memento*> memento) {
+	_cover->toggle(memento->infoExpanded());
+	if (_infoWrap) {
+		_infoWrap->finishAnimating();
+	}
+	_sharedMediaCover->toggle(memento->mediaExpanded());
+	if (_sharedMediaWrap) {
+		_sharedMediaWrap->finishAnimating();
+	}
 }
 
 int InnerWidget::resizeGetHeight(int newWidth) {
 	_content->resizeToWidth(newWidth);
 	_content->moveToLeft(0, 0);
-	return qMax(_content->heightNoMargins(), _minHeight);
+	return _content->heightNoMargins();
 }
 
 } // namespace Profile

Telegram/SourceFiles/info/profile/info_profile_inner_widget.h

@@ -42,6 +42,8 @@ namespace Profile {
 
 class Memento;
 class Members;
+class Cover;
+class SharedMediaCover;
 
 class InnerWidget final : public Ui::RpWidget {
 public:
@@ -55,11 +57,6 @@ public:
 		return _peer;
 	}
 
-	void resizeToWidth(int newWidth, int minHeight) {
-		_minHeight = minHeight;
-		return RpWidget::resizeToWidth(newWidth);
-	}
-
 	void saveState(not_null<Memento*> memento);
 	void restoreState(not_null<Memento*> memento);
 
@@ -82,7 +79,7 @@ private:
 		RpWidget *parent,
 		rpl::producer<Wrap> &&wrapValue);
 	object_ptr<RpWidget> setupDetails(RpWidget *parent) const;
-	object_ptr<RpWidget> setupSharedMedia(RpWidget *parent) const;
+	object_ptr<RpWidget> setupSharedMedia(RpWidget *parent);
 	object_ptr<RpWidget> setupMuteToggle(RpWidget *parent) const;
 	object_ptr<RpWidget> setupInfo(RpWidget *parent) const;
 	void setupUserButtons(
@@ -104,9 +101,11 @@ private:
 	not_null<Window::Controller*> _controller;
 	not_null<PeerData*> _peer;
 
-	int _minHeight = 0;
-
 	Members *_members = nullptr;
+	Cover *_cover = nullptr;
+	Ui::SlideWrap<RpWidget> *_infoWrap = nullptr;
+	SharedMediaCover *_sharedMediaCover = nullptr;
+	Ui::SlideWrap<RpWidget> *_sharedMediaWrap = nullptr;
 	object_ptr<RpWidget> _content;
 
 	rpl::event_stream<Ui::ScrollToRequest> _scrollToRequests;

Telegram/SourceFiles/info/profile/info_profile_widget.h

@@ -43,15 +43,22 @@ public:
 		return Section(Section::Type::Profile);
 	}
 
-	void setScrollTop(int scrollTop) {
-		_scrollTop = scrollTop;
+	void setInfoExpanded(bool expanded) {
+		_infoExpanded = expanded;
 	}
-	int scrollTop() const {
-		return _scrollTop;
+	bool infoExpanded() const {
+		return _infoExpanded;
+	}
+	void setMediaExpanded(bool expanded) {
+		_mediaExpanded = expanded;
+	}
+	bool mediaExpanded() const {
+		return _mediaExpanded;
 	}
 
 private:
-	int _scrollTop = 0;
+	bool _infoExpanded = false;
+	bool _mediaExpanded = false;
 
 };
 

Telegram/SourceFiles/profile/profile_common_groups_section.cpp

@@ -449,7 +449,8 @@ void Widget::onScroll() {
 	_inner->setVisibleTopBottom(scrollTop, scrollTop + _scroll->height());
 }
 
-void Widget::showAnimatedHook() {
+void Widget::showAnimatedHook(
+		const Window::SectionSlideParams &params) {
 	_fixedBar->setAnimatingMode(true);
 }
 

Telegram/SourceFiles/profile/profile_common_groups_section.h

@@ -201,7 +201,8 @@ public:
 protected:
 	void resizeEvent(QResizeEvent *e) override;
 
-	void showAnimatedHook() override;
+	void showAnimatedHook(
+		const Window::SectionSlideParams &params) override;
 	void showFinishedHook() override;
 	void doSetInnerFocus() override;
 

Telegram/SourceFiles/profile/profile_widget.cpp

@@ -145,7 +145,8 @@ void Widget::onScroll() {
 	updateScrollState();
 }
 
-void Widget::showAnimatedHook() {
+void Widget::showAnimatedHook(
+		const Window::SectionSlideParams &params) {
 	_fixedBar->setAnimatingMode(true);
 }
 

Telegram/SourceFiles/profile/profile_widget.h

@@ -61,7 +61,8 @@ public:
 protected:
 	void resizeEvent(QResizeEvent *e) override;
 
-	void showAnimatedHook() override;
+	void showAnimatedHook(
+		const Window::SectionSlideParams &params) override;
 	void showFinishedHook() override;
 	void doSetInnerFocus() override;
 

Telegram/SourceFiles/window/section_widget.cpp

@@ -59,7 +59,7 @@ void SectionWidget::showAnimated(
 	showChildren();
 	auto myContentCache = grabForShowAnimation(params);
 	hideChildren();
-	showAnimatedHook();
+	showAnimatedHook(params);
 
 	_showAnimation = std::make_unique<SlideAnimation>();
 	_showAnimation->setDirection(direction);
@@ -69,6 +69,7 @@ void SectionWidget::showAnimated(
 		params.oldContentCache,
 		myContentCache);
 	_showAnimation->setTopBarShadow(params.withTopBarShadow);
+	_showAnimation->setWithFade(params.withFade);
 	_showAnimation->start();
 
 	show();

Telegram/SourceFiles/window/section_widget.h

@@ -70,6 +70,8 @@ class SectionMemento;
 struct SectionSlideParams {
 	QPixmap oldContentCache;
 	bool withTopBarShadow = false;
+	bool withTabs = false;
+	bool withFade = false;
 
 	explicit operator bool() const {
 		return !oldContentCache.isNull();
@@ -147,7 +149,8 @@ protected:
 	}
 
 	// Called after the hideChildren() call in showAnimated().
-	virtual void showAnimatedHook() {
+	virtual void showAnimatedHook(
+		const Window::SectionSlideParams &params) {
 	}
 
 	// Called after the showChildren() call in showFinished().

Telegram/SourceFiles/window/window_controller.h

@@ -45,7 +45,7 @@ struct SectionShow {
 		ClearStack,
 	};
 	SectionShow(
-		Way way = Way::ClearStack,
+		Way way = Way::Forward,
 		anim::type animated = anim::type::normal,
 		anim::activation activation = anim::activation::normal)
 	: way(way)
@@ -127,26 +127,26 @@ public:
 
 	void showPeerHistory(
 		PeerId peerId,
-		const SectionShow &params = SectionShow(),
+		const SectionShow &params = SectionShow::Way::ClearStack,
 		MsgId msgId = ShowAtUnreadMsgId);
 	void showPeerHistory(
 		not_null<PeerData*> peer,
-		const SectionShow &params = SectionShow(),
+		const SectionShow &params = SectionShow::Way::ClearStack,
 		MsgId msgId = ShowAtUnreadMsgId);
 	void showPeerHistory(
 		not_null<History*> history,
-		const SectionShow &params = SectionShow(),
+		const SectionShow &params = SectionShow::Way::ClearStack,
 		MsgId msgId = ShowAtUnreadMsgId);
 
 	void showPeerInfo(
 		PeerId peerId,
-		const SectionShow &params = SectionShow::Way::Forward);
+		const SectionShow &params = SectionShow());
 	void showPeerInfo(
 		not_null<PeerData*> peer,
-		const SectionShow &params = SectionShow::Way::Forward);
+		const SectionShow &params = SectionShow());
 	void showPeerInfo(
 		not_null<History*> history,
-		const SectionShow &params = SectionShow::Way::Forward);
+		const SectionShow &params = SectionShow());
 
 	void clearSectionStack(
 			const SectionShow &params = SectionShow::Way::ClearStack) {

Telegram/SourceFiles/window/window_slide_animation.cpp

@@ -21,6 +21,7 @@ Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 #include "window/window_slide_animation.h"
 
 #include "styles/style_window.h"
+#include "styles/style_boxes.h"
 
 namespace Window {
 
@@ -29,18 +30,47 @@ void SlideAnimation::paintContents(Painter &p, const QRect &update) const {
 
 	// Animation callback can destroy "this", so we don't pass "ms".
 	auto progress = _animation.current((_direction == SlideDirection::FromLeft) ? 0. : 1.);
-	auto coordUnder = anim::interpolate(0, -st::slideShift, progress);
-	auto coordOver = anim::interpolate(_cacheOver.width() / cIntRetinaFactor(), 0, progress);
-	if (coordOver) {
-		p.drawPixmap(QRect(0, 0, coordOver, _cacheUnder.height() / retina), _cacheUnder, QRect(-coordUnder * retina, 0, coordOver * retina, _cacheUnder.height()));
-		p.setOpacity(progress);
-		p.fillRect(0, 0, coordOver, _cacheUnder.height() / retina, st::slideFadeOutBg);
-		p.setOpacity(1);
-	}
-	p.drawPixmap(QRect(coordOver, 0, _cacheOver.width() / retina, _cacheOver.height() / retina), _cacheOver, QRect(0, 0, _cacheOver.width(), _cacheOver.height()));
-	p.setOpacity(progress);
-	st::slideShadow.fill(p, QRect(coordOver - st::slideShadow.width(), 0, st::slideShadow.width(), _cacheOver.height() / retina));
+	if (_withFade) {
+		p.fillRect(update, st::boxBg);
 
+		auto slideLeft = (_direction == SlideDirection::FromLeft);
+		auto dt = slideLeft
+			? (1. - progress)
+			: progress;
+		auto easeOut = anim::easeOutCirc(1., dt);
+		auto easeIn = anim::easeInCirc(1., dt);
+		auto arrivingAlpha = easeIn;
+		auto departingAlpha = 1. - easeOut;
+		auto leftWidthFull = _cacheUnder.width() / cIntRetinaFactor();
+		auto rightWidthFull = _cacheOver.width() / cIntRetinaFactor();
+		auto leftCoord = (slideLeft ? anim::interpolate(-leftWidthFull, 0, easeOut) : anim::interpolate(0, -leftWidthFull, easeIn));
+		auto leftAlpha = (slideLeft ? arrivingAlpha : departingAlpha);
+		auto rightCoord = (slideLeft ? anim::interpolate(0, rightWidthFull, easeIn) : anim::interpolate(rightWidthFull, 0, easeOut));
+		auto rightAlpha = (slideLeft ? departingAlpha : arrivingAlpha);
+
+		auto leftWidth = (leftWidthFull + leftCoord);
+		if (leftWidth > 0) {
+			p.setOpacity(leftAlpha);
+			p.drawPixmap(0, 0, leftWidth, _cacheUnder.height() / retina, _cacheUnder, (_cacheUnder.width() - leftWidth * cIntRetinaFactor()), 0, leftWidth * cIntRetinaFactor(), _cacheUnder.height());
+		}
+		auto rightWidth = rightWidthFull - rightCoord;
+		if (rightWidth > 0) {
+			p.setOpacity(rightAlpha);
+			p.drawPixmap(rightCoord, 0, _cacheOver, 0, 0, rightWidth * cIntRetinaFactor(), _cacheOver.height());
+		}
+	} else {
+		auto coordUnder = anim::interpolate(0, -st::slideShift, progress);
+		auto coordOver = anim::interpolate(_cacheOver.width() / cIntRetinaFactor(), 0, progress);
+		if (coordOver) {
+			p.drawPixmap(QRect(0, 0, coordOver, _cacheUnder.height() / retina), _cacheUnder, QRect(-coordUnder * retina, 0, coordOver * retina, _cacheUnder.height()));
+			p.setOpacity(progress);
+			p.fillRect(0, 0, coordOver, _cacheUnder.height() / retina, st::slideFadeOutBg);
+			p.setOpacity(1);
+		}
+		p.drawPixmap(QRect(coordOver, 0, _cacheOver.width() / retina, _cacheOver.height() / retina), _cacheOver, QRect(0, 0, _cacheOver.width(), _cacheOver.height()));
+		p.setOpacity(progress);
+		st::slideShadow.fill(p, QRect(coordOver - st::slideShadow.width(), 0, st::slideShadow.width(), _cacheOver.height() / retina));
+	}
 	if (_topBarShadowEnabled) {
 		p.setOpacity(1);
 		p.fillRect(0, st::topBarHeight, _cacheOver.width() / retina, st::lineWidth, st::shadowFg);
@@ -60,6 +90,10 @@ void SlideAnimation::setTopBarShadow(bool enabled) {
 	_topBarShadowEnabled = enabled;
 }
 
+void SlideAnimation::setWithFade(bool withFade) {
+	_withFade = withFade;
+}
+
 void SlideAnimation::setRepaintCallback(RepaintCallback &&callback) {
 	_repaintCallback = std::move(callback);
 }

Telegram/SourceFiles/window/window_slide_animation.h

@@ -34,6 +34,7 @@ public:
 	void setDirection(SlideDirection direction);
 	void setPixmaps(const QPixmap &oldContentCache, const QPixmap &newContentCache);
 	void setTopBarShadow(bool enabled);
+	void setWithFade(bool withFade);
 
 	using RepaintCallback = base::lambda<void()>;
 	void setRepaintCallback(RepaintCallback &&callback);
@@ -52,6 +53,7 @@ private:
 
 	SlideDirection _direction = SlideDirection::FromRight;
 	bool _topBarShadowEnabled = false;
+	bool _withFade = false;
 
 	mutable Animation _animation;
 	QPixmap _cacheUnder, _cacheOver;