Collapse stories on chat open.

Telegram/SourceFiles/dialogs/dialogs_inner_widget.cpp

@@ -473,8 +473,10 @@ int InnerWidget::dialogsOffset() const {
 		- skipTopHeight();
 }
 
-rpl::producer<> InnerWidget::scrollToVeryTopRequests() const {
+rpl::producer<bool> InnerWidget::storiesExpandedRequests() const {
-	return _stories->expandRequests();
+	return rpl::merge(
+		_stories->toggleExpandedRequests(),
+		_storiesExpandedRequests.events());
 }
 
 int InnerWidget::defaultScrollTop() const {
@@ -623,11 +625,6 @@ void InnerWidget::paintEvent(QPaintEvent *e) {
 	if (_controller->contentOverlapped(this, e)) {
 		return;
 	}
-	const auto fillGuard = gsl::finally([&] {
-		// We translate painter down, but it'll be cropped below rect.
-		p.fillRect(rect(), st::dialogsBg);
-	});
-
 	const auto activeEntry = _controller->activeChatEntryCurrent();
 	const auto videoPaused = _controller->isGifPausedAtLeastFor(
 		Window::GifPauseReason::Any);
@@ -648,6 +645,11 @@ void InnerWidget::paintEvent(QPaintEvent *e) {
 		.paused = videoPaused,
 		.narrow = (fullWidth < st::columnMinimalWidthLeft / 2),
 	};
+	_stories->setBgOverride(context.currentBg);
+	const auto fillGuard = gsl::finally([&] {
+		// We translate painter down, but it'll be cropped below rect.
+		p.fillRect(rect(), context.currentBg);
+	});
 	const auto paintRow = [&](
 			not_null<Row*> row,
 			bool selected,
@@ -3408,6 +3410,7 @@ ChosenRow InnerWidget::computeChosenRow() const {
 bool InnerWidget::chooseRow(
 		Qt::KeyboardModifiers modifiers,
 		MsgId pressedTopicRootId) {
+	_storiesExpandedRequests.fire(false);
 	if (chooseCollapsedRow()) {
 		return true;
 	} else if (chooseHashtag()) {

Telegram/SourceFiles/dialogs/dialogs_inner_widget.h

@@ -104,7 +104,7 @@ public:
 		const QVector<MTPPeer> &my,
 		const QVector<MTPPeer> &result);
 
-	[[nodiscard]] rpl::producer<> scrollToVeryTopRequests() const;
+	[[nodiscard]] rpl::producer<bool> storiesExpandedRequests() const;
 	[[nodiscard]] int defaultScrollTop() const;
 	void setViewportHeight(int viewportHeight);
 
@@ -408,6 +408,7 @@ private:
 	const not_null<Window::SessionController*> _controller;
 
 	const std::unique_ptr<Stories::List> _stories;
+	rpl::event_stream<bool> _storiesExpandedRequests;
 	int _viewportHeight = 0;
 
 	not_null<IndexedList*> _shownList;

Telegram/SourceFiles/dialogs/dialogs_widget.cpp

@@ -261,9 +261,11 @@ Widget::Widget(
 		}
 	}, lifetime());
 
-	_inner->scrollToVeryTopRequests(
+	_inner->storiesExpandedRequests(
-	) | rpl::start_with_next([=] {
+	) | rpl::start_with_next([=](bool expanded) {
-		scrollToDefaultChecked(true);
+		if (expanded || _scroll->scrollTop() < _inner->defaultScrollTop()) {
+			scrollToDefaultChecked(expanded);
+		}
 	}, lifetime());
 
 	_inner->mustScrollTo(
@@ -1123,7 +1125,7 @@ void Widget::scrollToDefault(bool verytop) {
 	_scrollToAnimation.stop();
 	auto scrollTop = _scroll->scrollTop();
 	const auto scrollTo = verytop ? 0 : _inner->defaultScrollTop();
-	if (scrollTop <= scrollTo) {
+	if (scrollTop == scrollTo) {
 		return;
 	}
 	const auto maxAnimatedDelta = _scroll->height();
@@ -2017,6 +2019,7 @@ void Widget::dropEvent(QDropEvent *e) {
 
 void Widget::listScrollUpdated() {
 	const auto scrollTop = _scroll->scrollTop();
+	PROFILE_LOG(("SCROLLED: %1").arg(scrollTop));
 	_inner->setVisibleTopBottom(scrollTop, scrollTop + _scroll->height());
 	updateScrollUpVisibility();
 

Telegram/SourceFiles/dialogs/ui/dialogs_stories_list.cpp

@@ -239,8 +239,8 @@ rpl::producer<ToggleShownRequest> List::toggleShown() const {
 	return _toggleShown.events();
 }
 
-rpl::producer<> List::expandRequests() const {
+rpl::producer<bool> List::toggleExpandedRequests() const {
-	return _expandRequests.events();
+	return _toggleExpandedRequests.events();
 }
 
 rpl::producer<> List::entered() const {
@@ -347,7 +347,7 @@ void List::paintEvent(QPaintEvent *e) {
 	const auto readUserpicAppearingOpacity = lerp(_st.readOpacity, 0.);
 
 	auto p = QPainter(this);
-	p.fillRect(e->rect(), _st.bg);
+	p.fillRect(e->rect(), _bgOverride.value_or(_st.bg));
 	p.translate(0, height() - layout.shownHeight);
 
 	const auto drawSmall = (ratio < 1.);
@@ -670,7 +670,7 @@ void List::wheelEvent(QWheelEvent *e) {
 	const auto used = now - delta;
 	const auto next = std::clamp(used, 0, _scrollLeftMax);
 	if (next != now) {
-		_expandRequests.fire({});
+		_toggleExpandedRequests.fire(true);
 		_scrollLeft = next;
 		updateSelected();
 		checkLoadMore();
@@ -698,7 +698,7 @@ void List::mouseMoveEvent(QMouseEvent *e) {
 		if ((_lastMousePosition - *_mouseDownPosition).manhattanLength()
 			>= QApplication::startDragDistance()) {
 			if (_shownHeight() < _st.full.height) {
-				_expandRequests.fire({});
+				_toggleExpandedRequests.fire(true);
 			}
 			_dragging = true;
 			_startDraggingLeft = _scrollLeft;
@@ -742,13 +742,17 @@ void List::mouseReleaseEvent(QMouseEvent *e) {
 	updateSelected();
 	if (_selected == pressed) {
 		if (_selected < 0) {
-			_expandRequests.fire({});
+			_toggleExpandedRequests.fire(true);
 		} else if (_selected < _data.items.size()) {
 			_clicks.fire_copy(_data.items[_selected].element.id);
 		}
 	}
 }
 
+void List::setBgOverride(QBrush brush) {
+	_bgOverride = std::move(brush);
+}
+
 void List::contextMenuEvent(QContextMenuEvent *e) {
 	_menu = nullptr;
 

Telegram/SourceFiles/dialogs/ui/dialogs_stories_list.h

@@ -67,10 +67,12 @@ public:
 		rpl::producer<Content> content,
 		Fn<int()> shownHeight);
 
+	void setBgOverride(QBrush brush);
+
 	[[nodiscard]] rpl::producer<uint64> clicks() const;
 	[[nodiscard]] rpl::producer<uint64> showProfileRequests() const;
 	[[nodiscard]] rpl::producer<ToggleShownRequest> toggleShown() const;
-	[[nodiscard]] rpl::producer<> expandRequests() const;
+	[[nodiscard]] rpl::producer<bool> toggleExpandedRequests() const;
 	[[nodiscard]] rpl::producer<> entered() const;
 	[[nodiscard]] rpl::producer<> loadMoreRequests() const;
 
@@ -165,10 +167,11 @@ private:
 	rpl::event_stream<uint64> _clicks;
 	rpl::event_stream<uint64> _showProfileRequests;
 	rpl::event_stream<ToggleShownRequest> _toggleShown;
-	rpl::event_stream<> _expandRequests;
+	rpl::event_stream<bool> _toggleExpandedRequests;
 	rpl::event_stream<> _entered;
 	rpl::event_stream<> _loadMoreRequests;
 
+	std::optional<QBrush> _bgOverride;
 	Ui::Animations::Simple _shownAnimation;
 
 	QPoint _lastMousePosition;