Open jump-to-date by date click in topics.

Telegram/SourceFiles/history/view/history_view_list_widget.cpp

@@ -3248,7 +3248,7 @@ void ListWidget::mouseActionUpdate() {
 					dateLeft += (widthForDate - dateWidth) / 2;
 
 					if (point.x() >= dateLeft && point.x() < dateLeft + dateWidth) {
-						_scrollDateLink = _delegate->listDateLink(view);
+						_delegate->listUpdateDateLink(_scrollDateLink, view);
 						dragState = TextState(
 							nullptr,
 							_scrollDateLink);

Telegram/SourceFiles/history/view/history_view_list_widget.h

@@ -106,7 +106,9 @@ public:
 	virtual MessagesBarData listMessagesBar(
 		const std::vector<not_null<Element*>> &elements) = 0;
 	virtual void listContentRefreshed() = 0;
-	virtual ClickHandlerPtr listDateLink(not_null<Element*> view) = 0;
+	virtual void listUpdateDateLink(
+		ClickHandlerPtr &link,
+		not_null<Element*> view) = 0;
 	virtual bool listElementHideReply(not_null<const Element*> view) = 0;
 	virtual bool listElementShownUnread(not_null<const Element*> view) = 0;
 	virtual bool listIsGoodForAroundPosition(

Telegram/SourceFiles/history/view/history_view_pinned_section.cpp

@@ -544,8 +544,9 @@ MessagesBarData PinnedWidget::listMessagesBar(
 void PinnedWidget::listContentRefreshed() {
 }
 
-ClickHandlerPtr PinnedWidget::listDateLink(not_null<Element*> view) {
+void PinnedWidget::listUpdateDateLink(
-	return nullptr;
+	ClickHandlerPtr &link,
+	not_null<Element*> view) {
 }
 
 bool PinnedWidget::listElementHideReply(not_null<const Element*> view) {

Telegram/SourceFiles/history/view/history_view_pinned_section.h

@@ -98,7 +98,9 @@ public:
 	MessagesBarData listMessagesBar(
 		const std::vector<not_null<Element*>> &elements) override;
 	void listContentRefreshed() override;
-	ClickHandlerPtr listDateLink(not_null<Element*> view) override;
+	void listUpdateDateLink(
+		ClickHandlerPtr &link,
+		not_null<Element*> view) override;
 	bool listElementHideReply(not_null<const Element*> view) override;
 	bool listElementShownUnread(not_null<const Element*> view) override;
 	bool listIsGoodForAroundPosition(not_null<const Element*> view) override;

Telegram/SourceFiles/history/view/history_view_replies_section.cpp

@@ -2010,8 +2010,19 @@ MessagesBarData RepliesWidget::listMessagesBar(
 void RepliesWidget::listContentRefreshed() {
 }
 
-ClickHandlerPtr RepliesWidget::listDateLink(not_null<Element*> view) {
+void RepliesWidget::listUpdateDateLink(
-	return nullptr;
+		ClickHandlerPtr &link,
+		not_null<Element*> view) {
+	if (!_topic) {
+		link = nullptr;
+		return;
+	}
+	const auto date = view->dateTime().date();
+	if (!link) {
+		link = std::make_shared<Window::DateClickHandler>(_topic, date);
+	} else {
+		static_cast<Window::DateClickHandler*>(link.get())->setDate(date);
+	}
 }
 
 bool RepliesWidget::listElementHideReply(not_null<const Element*> view) {

Telegram/SourceFiles/history/view/history_view_replies_section.h

@@ -138,7 +138,9 @@ public:
 	MessagesBarData listMessagesBar(
 		const std::vector<not_null<Element*>> &elements) override;
 	void listContentRefreshed() override;
-	ClickHandlerPtr listDateLink(not_null<Element*> view) override;
+	void listUpdateDateLink(
+		ClickHandlerPtr &link,
+		not_null<Element*> view) override;
 	bool listElementHideReply(not_null<const Element*> view) override;
 	bool listElementShownUnread(not_null<const Element*> view) override;
 	bool listIsGoodForAroundPosition(not_null<const Element*> view) override;

Telegram/SourceFiles/history/view/history_view_scheduled_section.cpp

@@ -1162,8 +1162,9 @@ MessagesBarData ScheduledWidget::listMessagesBar(
 void ScheduledWidget::listContentRefreshed() {
 }
 
-ClickHandlerPtr ScheduledWidget::listDateLink(not_null<Element*> view) {
+void ScheduledWidget::listUpdateDateLink(
-	return nullptr;
+	ClickHandlerPtr &link,
+	not_null<Element*> view) {
 }
 
 bool ScheduledWidget::listElementHideReply(not_null<const Element*> view) {

Telegram/SourceFiles/history/view/history_view_scheduled_section.h

@@ -120,7 +120,9 @@ public:
 	MessagesBarData listMessagesBar(
 		const std::vector<not_null<Element*>> &elements) override;
 	void listContentRefreshed() override;
-	ClickHandlerPtr listDateLink(not_null<Element*> view) override;
+	void listUpdateDateLink(
+		ClickHandlerPtr &link,
+		not_null<Element*> view) override;
 	bool listElementHideReply(not_null<const Element*> view) override;
 	bool listElementShownUnread(not_null<const Element*> view) override;
 	bool listIsGoodForAroundPosition(

Telegram/SourceFiles/window/window_session_controller.cpp

@@ -167,8 +167,9 @@ bool operator!=(const PeerThemeOverride &a, const PeerThemeOverride &b) {
 }
 
 DateClickHandler::DateClickHandler(Dialogs::Key chat, QDate date)
-	: _chat(chat)
+: _chat(chat)
-	, _date(date) {
+, _weak(chat.topic())
+, _date(date) {
 }
 
 void DateClickHandler::setDate(QDate date) {
@@ -178,7 +179,11 @@ void DateClickHandler::setDate(QDate date) {
 void DateClickHandler::onClick(ClickContext context) const {
 	const auto my = context.other.value<ClickHandlerContext>();
 	if (const auto window = my.sessionWindow.get()) {
-		window->showCalendar(_chat, _date);
+		if (!_chat.topic()) {
+			window->showCalendar(_chat, _date);
+		} else if (const auto strong = _weak.get()) {
+			window->showCalendar(strong, _date);
+		}
 	}
 }
 

Telegram/SourceFiles/window/window_session_controller.h

@@ -70,6 +70,7 @@ namespace Data {
 struct CloudTheme;
 enum class CloudThemeType;
 class Thread;
+class ForumTopic;
 } // namespace Data
 
 namespace HistoryView::Reactions {
@@ -119,6 +120,7 @@ public:
 
 private:
 	Dialogs::Key _chat;
+	base::weak_ptr<Data::ForumTopic> _weak;
 	QDate _date;
 
 };