Added support of search in section of pinned messages.

Telegram/SourceFiles/api/api_messages_search.cpp

@@ -58,9 +58,23 @@ constexpr auto kSearchPerPage = 50;
 			result += u"emoji"_q + tag.emoji();
 		}
 	}
+	switch (request.filter) {
+	case SearchFilter::NoFilter: break;
+	case SearchFilter::Pinned: result += u"\npinned"_q; break;
+	}
 	return result;
 }
 
+[[nodiscard]] MTPMessagesFilter PrepareFilter(SearchFilter filter) {
+	switch (filter) {
+	case SearchFilter::Pinned:
+		return MTP_inputMessagesFilterPinned();
+	case SearchFilter::NoFilter:
+		return MTP_inputMessagesFilterEmpty();
+	}
+	return MTP_inputMessagesFilterEmpty();
+}
+
 } // namespace
 
 MessagesSearch::MessagesSearch(not_null<History*> history)
@@ -113,7 +127,7 @@ void MessagesSearch::searchRequest() {
 				Data::ReactionToMTP
 			)),
 			MTP_int(_request.topMsgId), // top_msg_id
-			MTP_inputMessagesFilterEmpty(),
+			PrepareFilter(_request.filter),
 			MTP_int(0), // min_date
 			MTP_int(0), // max_date
 			MTP_int(_offsetId), // offset_id

Telegram/SourceFiles/api/api_messages_search.h

@@ -20,6 +20,11 @@ struct ReactionId;
 
 namespace Api {
 
+enum class SearchFilter {
+	NoFilter,
+	Pinned,
+};
+
 struct FoundMessages {
 	int total = -1;
 	MessageIdsList messages;
@@ -33,6 +38,7 @@ public:
 		PeerData *from = nullptr;
 		std::vector<Data::ReactionId> tags;
 		MsgId topMsgId;
+		SearchFilter filter = SearchFilter::NoFilter;
 
 		friend inline bool operator==(
 			const Request &,

Telegram/SourceFiles/history/view/controls/history_view_compose_search.cpp

@@ -866,6 +866,7 @@ public:
 	void setInnerFocus();
 	void setQuery(const QString &query);
 	void setTopMsgId(MsgId topMsgId);
+	void setSearchFilter(Api::SearchFilter filter);
 
 	[[nodiscard]] rpl::producer<Activation> activations() const;
 	[[nodiscard]] rpl::producer<> destroyRequests() const;
@@ -892,6 +893,8 @@ private:
 	} _pendingJump;
 
 	MsgId _topMsgId;
+	Api::SearchFilter _searchFilter = Api::SearchFilter::NoFilter;
+	rpl::variable<bool> _filterAllowsFrom = true;
 
 	rpl::event_stream<Activation> _activations;
 	rpl::event_stream<> _destroyRequests;
@@ -942,6 +945,7 @@ ComposeSearch::Inner::Inner(
 			}
 		}
 		search.topMsgId = _topMsgId;
+		search.filter = _searchFilter;
 		_apiSearch.clear();
 
 		_list.controller->addItems({}, true);
@@ -1063,9 +1067,11 @@ ComposeSearch::Inner::Inner(
 		return !from;
 	}));
 
-	_bottomBar->buttonFromToggleOn(_topBar->fromValue(
-	) | rpl::map([=](PeerData *from) {
-		return HasChooseFrom(_history) && !from;
+	_bottomBar->buttonFromToggleOn(rpl::combine(
+		_topBar->fromValue(),
+		_filterAllowsFrom.value()
+	) | rpl::map([=](PeerData *from, bool allowed) {
+		return allowed && HasChooseFrom(_history) && !from;
 	}));
 
 	if (!query.isEmpty()) {
@@ -1090,6 +1096,11 @@ void ComposeSearch::Inner::setTopMsgId(MsgId topMsgId) {
 	_topMsgId = topMsgId;
 }
 
+void ComposeSearch::Inner::setSearchFilter(Api::SearchFilter filter) {
+	_searchFilter = filter;
+	_filterAllowsFrom = (filter != Api::SearchFilter::Pinned);
+}
+
 void ComposeSearch::Inner::showAnimated() {
 	// Don't animate bottom bar.
 	_bottomBar->show();
@@ -1152,6 +1163,10 @@ void ComposeSearch::setTopMsgId(MsgId topMsgId) {
 	_inner->setTopMsgId(topMsgId);
 }
 
+void ComposeSearch::setSearchFilter(Api::SearchFilter filter) {
+	_inner->setSearchFilter(filter);
+}
+
 rpl::producer<ComposeSearch::Activation> ComposeSearch::activations() const {
 	return _inner->activations();
 }

Telegram/SourceFiles/history/view/controls/history_view_compose_search.h

@@ -11,6 +11,10 @@ namespace Window {
 class SessionController;
 } // namespace Window
 
+namespace Api {
+enum class SearchFilter;
+} // namespace Api
+
 namespace Ui {
 class RpWidget;
 } // namespace Ui
@@ -34,6 +38,7 @@ public:
 	void setQuery(const QString &query);
 
 	void setTopMsgId(MsgId topMsgId);
+	void setSearchFilter(Api::SearchFilter filter);
 
 	struct Activation {
 		not_null<HistoryItem*> item;

Telegram/SourceFiles/history/view/history_view_pinned_section.cpp

@@ -10,6 +10,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "history/view/history_view_top_bar_widget.h"
 #include "history/view/history_view_translate_bar.h"
 #include "history/view/history_view_list_widget.h"
+#include "history/view/controls/history_view_compose_search.h"
+#include "api/api_messages_search.h"
+#include "data/data_forum_topic.h"
 #include "data/data_chat_participant_status.h"
 #include "history/history.h"
 #include "history/history_item_components.h"
@@ -34,7 +37,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/event_filter.h"
 #include "base/call_delayed.h"
 #include "base/qt/qt_key_modifiers.h"
+#include "core/application.h"
 #include "core/file_utilities.h"
+#include "core/shortcuts.h"
 #include "main/main_session.h"
 #include "data/data_session.h"
 #include "data/data_user.h"
@@ -158,6 +163,10 @@ PinnedWidget::PinnedWidget(
 	) | rpl::on_next([=] {
 		clearSelected();
 	}, _topBar->lifetime());
+	_topBar->searchRequest(
+	) | rpl::on_next([=] {
+		searchInPinned();
+	}, _topBar->lifetime());
 
 	_translateBar->raise();
 	_topBarShadow->raise();
@@ -184,6 +193,7 @@ PinnedWidget::PinnedWidget(
 
 	setupClearButton();
 	setupTranslateBar();
+	setupShortcuts();
 	Window::SetupSwipeBackSection(this, _scroll.get(), _inner);
 }
 
@@ -236,6 +246,62 @@ void PinnedWidget::setupTranslateBar() {
 	_translateBar->finishAnimating();
 }
 
+void PinnedWidget::setupShortcuts() {
+	Shortcuts::Requests(
+	) | rpl::filter([=] {
+		return Ui::AppInFocus()
+			&& Ui::InFocusChain(this)
+			&& !controller()->isLayerShown()
+			&& (Core::App().activeWindow() == &controller()->window())
+			&& !_history->peer->isSelf();
+	}) | rpl::on_next([=](not_null<Shortcuts::Request*> request) {
+		using Command = Shortcuts::Command;
+		request->check(Command::Search, 1) && request->handle([=] {
+			searchInPinned();
+			return true;
+		});
+	}, lifetime());
+}
+
+void PinnedWidget::searchInPinned() {
+	if (_history->peer->isSelf()) {
+		return;
+	}
+	if (_composeSearch) {
+		_composeSearch->setInnerFocus();
+		return;
+	}
+	_composeSearch = std::make_unique<ComposeSearch>(
+		this,
+		controller(),
+		_history,
+		nullptr);
+	_composeSearch->setSearchFilter(Api::SearchFilter::Pinned);
+	if (const auto topic = _thread->asTopic()) {
+		_composeSearch->setTopMsgId(topic->rootId());
+	}
+
+	_topBarShadow->hide();
+	_clearButton->hide();
+	updateControlsGeometry();
+	doSetInnerFocus();
+
+	_composeSearch->activations(
+	) | rpl::on_next([=](ComposeSearch::Activation activation) {
+		showAtPosition(activation.item->position());
+	}, _composeSearch->lifetime());
+
+	_composeSearch->destroyRequests(
+	) | rpl::take(1) | rpl::on_next([=] {
+		_composeSearch = nullptr;
+
+		_topBarShadow->show();
+		_clearButton->show();
+		updateControlsGeometry();
+		doSetInnerFocus();
+	}, _composeSearch->lifetime());
+}
+
 void PinnedWidget::cornerButtonsShowAtPosition(
 		Data::MessagePosition position) {
 	showAtPosition(position);
@@ -312,7 +378,11 @@ void PinnedWidget::checkActivation() {
 }
 
 void PinnedWidget::doSetInnerFocus() {
-	_inner->setFocus();
+	if (_composeSearch) {
+		_composeSearch->setInnerFocus();
+	} else {
+		_inner->setFocus();
+	}
 }
 
 bool PinnedWidget::showInternal(

Telegram/SourceFiles/history/view/history_view_pinned_section.h

@@ -31,6 +31,7 @@ namespace HistoryView {
 
 class Element;
 class TopBarWidget;
+class ComposeSearch;
 class PinnedMemento;
 class TranslateBar;
 
@@ -170,6 +171,8 @@ private:
 
 	void setupClearButton();
 	void setupTranslateBar();
+	void setupShortcuts();
+	void searchInPinned();
 
 	void confirmDeleteSelected();
 	void confirmForwardSelected();
@@ -193,6 +196,7 @@ private:
 	bool _skipScrollEvent = false;
 	std::unique_ptr<Ui::ScrollArea> _scroll;
 	std::unique_ptr<Ui::FlatButton> _clearButton;
+	std::unique_ptr<ComposeSearch> _composeSearch;
 
 	CornerButtons _cornerButtons;
 

Telegram/SourceFiles/history/view/history_view_top_bar_widget.cpp

@@ -1028,8 +1028,13 @@ int TopBarWidget::countSelectedButtonsTop(float64 selectedShown) {
 }
 
 void TopBarWidget::updateSearchVisibility() {
+	const auto pinnedInSavedMessages = (_activeChat.section == Section::Pinned)
+		&& _activeChat.key.peer()
+		&& _activeChat.key.peer()->isSelf();
 	const auto searchAllowedMode = (_activeChat.section == Section::History)
 		|| (_activeChat.section == Section::Replies)
+		|| (_activeChat.section == Section::Pinned
+			&& !pinnedInSavedMessages)
 		|| (_activeChat.section == Section::SavedSublist
 			&& _activeChat.key.sublist());
 	_search->setVisible(searchAllowedMode && !_chooseForReportReason);