Send story reactions as single-emoji messages.

Telegram/SourceFiles/history/history_widget.cpp

@@ -3874,7 +3874,7 @@ void HistoryWidget::send(Api::SendOptions options) {
 			? _previewData->id
 			: WebPageId(0));
 
-	auto message = ApiWrap::MessageToSend(prepareSendAction(options));
+	auto message = Api::MessageToSend(prepareSendAction(options));
 	message.textWithTags = _field->getTextWithAppliedMarkdown();
 	message.webPageId = webPageId;
 

Telegram/SourceFiles/history/view/history_view_replies_section.cpp

@@ -1166,7 +1166,7 @@ void RepliesWidget::send(Api::SendOptions options) {
 
 	const auto webPageId = _composeControls->webPageId();
 
-	auto message = ApiWrap::MessageToSend(prepareSendAction(options));
+	auto message = Api::MessageToSend(prepareSendAction(options));
 	message.textWithTags = _composeControls->getTextWithAppliedMarkdown();
 	message.webPageId = webPageId;
 
@@ -2507,8 +2507,7 @@ void RepliesWidget::listSendBotCommand(
 		_history->peer,
 		command,
 		context);
-	auto message = ApiWrap::MessageToSend(
-		prepareSendAction({}));
+	auto message = Api::MessageToSend(prepareSendAction({}));
 	message.textWithTags = { text };
 	session().api().sendMessage(std::move(message));
 	finishSending();

Telegram/SourceFiles/history/view/history_view_scheduled_section.cpp

@@ -587,7 +587,7 @@ void ScheduledWidget::send() {
 void ScheduledWidget::send(Api::SendOptions options) {
 	const auto webPageId = _composeControls->webPageId();
 
-	auto message = ApiWrap::MessageToSend(prepareSendAction(options));
+	auto message = Api::MessageToSend(prepareSendAction(options));
 	message.textWithTags = _composeControls->getTextWithAppliedMarkdown();
 	message.webPageId = webPageId;
 
@@ -1235,7 +1235,7 @@ void ScheduledWidget::listSendBotCommand(
 			_history->peer,
 			command,
 			context);
-		auto message = ApiWrap::MessageToSend(prepareSendAction(options));
+		auto message = Api::MessageToSend(prepareSendAction(options));
 		message.textWithTags = { text };
 		session().api().sendMessage(std::move(message));
 	};

Telegram/SourceFiles/media/stories/media_stories_controller.cpp

@@ -167,6 +167,11 @@ Controller::Controller(not_null<Delegate*> delegate)
 		}
 	}, _lifetime);
 
+	_reactions->chosen(
+	) | rpl::start_with_next([=](const Data::ReactionId &id) {
+		_replyArea->sendReaction(id);
+	}, _lifetime);
+
 	_delegate->storiesLayerShown(
 	) | rpl::start_with_next([=](bool shown) {
 		_layerShown = shown;

Telegram/SourceFiles/media/stories/media_stories_reactions.cpp

@@ -143,9 +143,8 @@ void Reactions::create() {
 	_selector->chosen(
 	) | rpl::start_with_next([=](
 			HistoryView::Reactions::ChosenReaction reaction) {
+		_chosen.fire_copy(reaction.id);
 		hide();
-		//reaction.context = itemId;
-		//chosen(std::move(reaction));
 	}, _selector->lifetime());
 
 	_selector->premiumPromoChosen() | rpl::start_with_next([=] {

Telegram/SourceFiles/media/stories/media_stories_reactions.h

@@ -9,6 +9,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "ui/effects/animations.h"
 
+namespace Data {
+struct ReactionId;
+} // namespace Data
+
 namespace HistoryView::Reactions {
 class Selector;
 } // namespace HistoryView::Reactions
@@ -29,6 +33,9 @@ public:
 	[[nodiscard]] rpl::producer<bool> expandedValue() const {
 		return _expanded.value();
 	}
+	[[nodiscard]] rpl::producer<Data::ReactionId> chosen() const {
+		return _chosen.events();
+	}
 
 	void show();
 	void hide();
@@ -47,6 +54,7 @@ private:
 	std::unique_ptr<Ui::RpWidget> _parent;
 	std::unique_ptr<HistoryView::Reactions::Selector> _selector;
 	std::vector<std::unique_ptr<Hiding>> _hiding;
+	rpl::event_stream<Data::ReactionId> _chosen;
 	Ui::Animations::Simple _showing;
 	rpl::variable<float64> _shownValue;
 	rpl::variable<bool> _expanded;

Telegram/SourceFiles/media/stories/media_stories_reply.cpp

@@ -17,6 +17,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "chat_helpers/tabbed_selector.h"
 #include "core/file_utilities.h"
 #include "core/mime_type.h"
+#include "data/stickers/data_custom_emoji.h"
+#include "data/data_document.h"
+#include "data/data_message_reaction_id.h"
 #include "data/data_session.h"
 #include "data/data_user.h"
 #include "history/view/controls/compose_controls_common.h"
@@ -101,13 +104,39 @@ void ReplyArea::initGeometry() {
 	}, _lifetime);
 }
 
+void ReplyArea::sendReaction(const Data::ReactionId &id) {
+	Expects(_data.user != nullptr);
+
+	auto message = Api::MessageToSend(prepareSendAction({}));
+	if (const auto emoji = id.emoji(); !emoji.isEmpty()) {
+		message.textWithTags = { emoji };
+	} else if (const auto customId = id.custom()) {
+		const auto document = _data.user->owner().document(customId);
+		if (const auto sticker = document->sticker()) {
+			const auto text = sticker->alt;
+			const auto id = Data::SerializeCustomEmojiId(customId);
+			message.textWithTags = {
+				text,
+				{ { 0, text.size(), Ui::InputField::CustomEmojiLink(id) } }
+			};
+		}
+	}
+	if (!message.textWithTags.empty()) {
+		send(std::move(message), {});
+	}
+}
+
 void ReplyArea::send(Api::SendOptions options) {
 	const auto webPageId = _controls->webPageId();
 
-	auto message = ApiWrap::MessageToSend(prepareSendAction(options));
+	auto message = Api::MessageToSend(prepareSendAction(options));
 	message.textWithTags = _controls->getTextWithAppliedMarkdown();
 	message.webPageId = webPageId;
 
+	send(std::move(message), options);
+}
+
+void ReplyArea::send(Api::MessageToSend message, Api::SendOptions options) {
 	const auto error = GetErrorTextForSending(
 		_data.user,
 		{

Telegram/SourceFiles/media/stories/media_stories_reply.h

@@ -15,8 +15,13 @@ enum class SendMediaType;
 namespace Api {
 struct SendAction;
 struct SendOptions;
+struct MessageToSend;
 } // namespace Api
 
+namespace Data {
+struct ReactionId;
+} // namespace Data
+
 namespace HistoryView {
 class ComposeControls;
 } // namespace HistoryView
@@ -56,6 +61,7 @@ public:
 	~ReplyArea();
 
 	void show(ReplyAreaData data);
+	void sendReaction(const Data::ReactionId &id);
 
 	[[nodiscard]] rpl::producer<bool> focusedValue() const;
 	[[nodiscard]] rpl::producer<bool> activeValue() const;
@@ -67,6 +73,8 @@ private:
 	[[nodiscard]] Main::Session &session() const;
 	[[nodiscard]] not_null<History*> history() const;
 
+	void send(Api::MessageToSend message, Api::SendOptions options);
+
 	void uploadFile(const QByteArray &fileContent, SendMediaType type);
 	bool confirmSendingFiles(
 		QImage &&image,