Implement search inside a single topic.

Telegram/SourceFiles/dialogs/dialogs_inner_widget.cpp

@@ -675,7 +675,12 @@ void InnerWidget::paintEvent(QPaintEvent *e) {
 		}
 
 		if (_searchInChat) {
-			paintSearchInChat(p);
+			paintSearchInChat(p, {
+				.st = &st::forumTopicRow,
+				.now = ms,
+				.width = fullWidth,
+				.paused = videoPaused,
+			});
 			p.translate(0, searchInChatSkip());
 			if (_waitingForSearch && _searchResults.empty()) {
 				p.fillRect(
@@ -926,7 +931,9 @@ void InnerWidget::paintPeerSearchResult(
 	result->name.drawElided(p, rectForName.left(), rectForName.top(), rectForName.width());
 }
 
-void InnerWidget::paintSearchInChat(Painter &p) const {
+void InnerWidget::paintSearchInChat(
+		Painter &p,
+		const Ui::PaintContext &context) const {
 	auto height = searchInChatSkip();
 
 	auto top = st::searchedBarHeight;
@@ -942,7 +949,9 @@ void InnerWidget::paintSearchInChat(Painter &p) const {
 	}
 
 	p.setPen(st::dialogsNameFg);
-	if (const auto peer = _searchInChat.peer()) {
+	if (const auto topic = _searchInChat.topic()) {
+		paintSearchInTopic(p, context, topic, _searchInChatUserpic, top, _searchInChatText);
+	} else if (const auto peer = _searchInChat.peer()) {
 		if (peer->isSelf()) {
 			paintSearchInSaved(p, top, _searchInChatText);
 		} else if (peer->isRepliesChat()) {
@@ -1035,6 +1044,21 @@ void InnerWidget::paintSearchInReplies(
 	paintSearchInFilter(p, paintUserpic, top, nullptr, text);
 }
 
+void InnerWidget::paintSearchInTopic(
+		Painter &p,
+		const Ui::PaintContext &context,
+		not_null<Data::ForumTopic*> topic,
+		std::shared_ptr<Data::CloudImageView> &userpic,
+		int top,
+		const Ui::Text::String &text) const {
+	const auto paintUserpic = [&](Painter &p, int x, int y, int size) {
+		p.translate(x, y);
+		topic->paintUserpic(p, userpic, context);
+		p.translate(-x, -y);
+	};
+	paintSearchInFilter(p, paintUserpic, top, nullptr, text);
+}
+
 void InnerWidget::mouseMoveEvent(QMouseEvent *e) {
 	const auto globalPosition = e->globalPos();
 	if (!_lastMousePosition) {
@@ -2313,9 +2337,9 @@ void InnerWidget::searchReceived(
 	const auto isMigratedSearch = (type == SearchRequestType::MigratedFromStart)
 		|| (type == SearchRequestType::MigratedFromOffset);
 
-	const auto key = _openedForum
-		? Key(_openedForum->history())
-		: _searchInChat;
+	const auto key = (!_openedForum || _searchInChat.topic())
+		? _searchInChat
+		: Key(_openedForum->history());
 	if (inject
 		&& (!_searchInChat
 			|| inject->history() == _searchInChat.history())) {
@@ -2600,7 +2624,9 @@ void InnerWidget::searchInChat(Key key, PeerData *from) {
 
 void InnerWidget::refreshSearchInChatLabel() {
 	const auto dialog = [&] {
-		if (const auto peer = _searchInChat.peer()) {
+		if (const auto topic = _searchInChat.topic()) {
+			return topic->title();
+		} else if (const auto peer = _searchInChat.peer()) {
 			if (peer->isSelf()) {
 				return tr::lng_saved_messages(tr::now);
 			} else if (peer->isRepliesChat()) {

Telegram/SourceFiles/dialogs/dialogs_inner_widget.h

@@ -301,7 +301,9 @@ private:
 		Painter &p,
 		not_null<const PeerSearchResult*> result,
 		const Ui::PaintContext &context);
-	void paintSearchInChat(Painter &p) const;
+	void paintSearchInChat(
+		Painter &p,
+		const Ui::PaintContext &context) const;
 	void paintSearchInPeer(
 		Painter &p,
 		not_null<PeerData*> peer,
@@ -316,6 +318,13 @@ private:
 		Painter &p,
 		int top,
 		const Ui::Text::String &text) const;
+	void paintSearchInTopic(
+		Painter &p,
+		const Ui::PaintContext &context,
+		not_null<Data::ForumTopic*> topic,
+		std::shared_ptr<Data::CloudImageView> &userpic,
+		int top,
+		const Ui::Text::String &text) const;
 	template <typename PaintUserpic>
 	void paintSearchInFilter(
 		Painter &p,

Telegram/SourceFiles/dialogs/dialogs_widget.cpp

@@ -1848,6 +1848,12 @@ void Widget::applyFilterUpdate(bool force) {
 }
 
 void Widget::searchInChat(Key chat) {
+	if (_openedFolder) {
+		controller()->closeFolder();
+	}
+	if (const auto topic = chat.topic()) {
+		controller()->openForum(topic->channel());
+	}
 	cancelSearch();
 	setSearchInChat(chat);
 	applyFilterUpdate(true);
@@ -1855,24 +1861,25 @@ void Widget::searchInChat(Key chat) {
 
 void Widget::setSearchInChat(Key chat, PeerData *from) {
 	const auto peer = chat.peer();
-	if (const auto forum = peer ? peer->forum() : nullptr) {
+	const auto topic = chat.topic();
+	const auto forum = peer ? peer->forum() : nullptr;
+	if (forum) {
 		if (controller()->openedForum().current() == peer) {
 			_subsectionTopBar->toggleSearch(true, anim::type::normal);
 		} else {
 			_forumSearchRequested = true;
 			controller()->openForum(forum->channel());
 		}
-		return;
 	}
-	if (chat.folder()) {
+	if (chat.folder() || (forum && !topic)) {
 		chat = Key();
 	}
 	_searchInMigrated = nullptr;
-	if (const auto peer = chat.peer()) {
+	if (peer) {
 		if (const auto migrateTo = peer->migrateTo()) {
 			return setSearchInChat(peer->owner().history(migrateTo), from);
 		} else if (const auto migrateFrom = peer->migrateFrom()) {
-			if (!chat.topic()) {
+			if (!topic) {
 				_searchInMigrated = peer->owner().history(migrateFrom);
 			}
 		}

Telegram/SourceFiles/dialogs/ui/dialogs_layout.cpp

@@ -955,9 +955,10 @@ void RowPainter::Paint(
 	const auto entry = topic ? (Entry*)topic : (Entry*)history;
 	auto cloudDraft = nullptr;
 	const auto from = [&] {
-		return topic
+		const auto in = row->searchInChat();
+		return (topic && (in.topic() != topic))
 			? nullptr
-			: row->searchInChat()
+			: in
 			? item->displayFrom()
 			: history->peer->migrateTo()
 			? history->peer->migrateTo()

Telegram/SourceFiles/history/history_widget.cpp

@@ -1825,25 +1825,24 @@ bool HistoryWidget::notify_switchInlineBotButtonReceived(const QString &query, U
 void HistoryWidget::setupShortcuts() {
 	Shortcuts::Requests(
 	) | rpl::filter([=] {
-		return Ui::AppInFocus()
+		return _history
+			&& Ui::AppInFocus()
 			&& Ui::InFocusChain(this)
 			&& !Ui::isLayerShown()
 			&& (Core::App().activeWindow() == &controller()->window());
 	}) | rpl::start_with_next([=](not_null<Shortcuts::Request*> request) {
 		using Command = Shortcuts::Command;
-		if (_history) {
-			request->check(Command::Search, 1) && request->handle([=] {
-				searchInChat();
+		request->check(Command::Search, 1) && request->handle([=] {
+			searchInChat();
+			return true;
+		});
+		if (session().supportMode()) {
+			request->check(
+				Command::SupportToggleMuted
+			) && request->handle([=] {
+				toggleMuteUnmute();
 				return true;
 			});
-			if (session().supportMode()) {
-				request->check(
-					Command::SupportToggleMuted
-				) && request->handle([=] {
-					toggleMuteUnmute();
-					return true;
-				});
-			}
 		}
 	}, lifetime());
 }
@@ -4450,8 +4449,7 @@ bool HistoryWidget::updateCmdStartShown() {
 void HistoryWidget::searchInChat() {
 	if (!_history) {
 		return;
-	}
-	if (controller()->isPrimary()) {
+	} else if (controller()->isPrimary()) {
 		controller()->content()->searchInChat(_history);
 	} else if (!_composeSearch) {
 		const auto search = [=] {

Telegram/SourceFiles/history/view/history_view_replies_section.cpp

@@ -55,7 +55,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/call_delayed.h"
 #include "base/qt/qt_key_modifiers.h"
 #include "core/file_utilities.h"
+#include "core/application.h"
+#include "core/shortcuts.h"
 #include "main/main_session.h"
+#include "mainwidget.h"
 #include "data/data_session.h"
 #include "data/data_user.h"
 #include "data/data_chat.h"
@@ -233,6 +236,7 @@ RepliesWidget::RepliesWidget(
 
 	setupRoot();
 	setupRootView();
+	setupShortcuts();
 
 	session().api().requestFullPeer(_history->peer);
 
@@ -258,6 +262,10 @@ RepliesWidget::RepliesWidget(
 	) | rpl::start_with_next([=] {
 		clearSelected();
 	}, _topBar->lifetime());
+	_topBar->searchRequest(
+	) | rpl::start_with_next([=] {
+		searchInTopic();
+	}, _topBar->lifetime());
 
 	if (_rootView) {
 		_rootView->raise();
@@ -2133,4 +2141,31 @@ void RepliesWidget::setupDragArea() {
 	areas.photo->setDroppedCallback(droppedCallback(true));
 }
 
+void RepliesWidget::setupShortcuts() {
+	Shortcuts::Requests(
+	) | rpl::filter([=] {
+		return _topic
+			&& Ui::AppInFocus()
+			&& Ui::InFocusChain(this)
+			&& !Ui::isLayerShown()
+			&& (Core::App().activeWindow() == &controller()->window());
+	}) | rpl::start_with_next([=](not_null<Shortcuts::Request*> request) {
+		using Command = Shortcuts::Command;
+		request->check(Command::Search, 1) && request->handle([=] {
+			searchInTopic();
+			return true;
+		});
+	}, lifetime());
+}
+
+void RepliesWidget::searchInTopic() {
+	if (!_topic) {
+		return;
+	} else if (controller()->isPrimary()) {
+		controller()->content()->searchInChat(_topic);
+	} else {
+		// #TODO forum window
+	}
+}
+
 } // namespace HistoryView

Telegram/SourceFiles/history/view/history_view_replies_section.h

@@ -206,7 +206,9 @@ private:
 	void subscribeToTopic();
 	void setTopic(Data::ForumTopic *topic);
 	void setupDragArea();
+	void setupShortcuts();
 
+	void searchInTopic();
 	void scrollDownAnimationFinish();
 	void updatePinnedVisibility();
 

Telegram/SourceFiles/mainwidget.cpp

@@ -2678,10 +2678,6 @@ void MainWidget::searchInChat(Dialogs::Key chat) {
 	if (!_dialogs) {
 		return;
 	}
-
-	if (_controller->openedFolder().current()) {
-		_controller->closeFolder();
-	}
 	_dialogs->searchInChat(chat);
 	if (isOneColumn()) {
 		Ui::showChatsList(&session());