Show length limit when editing a factcheck.

Telegram/SourceFiles/data/components/factchecks.cpp

@@ -20,6 +20,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lang/lang_keys.h"
 #include "main/main_app_config.h"
 #include "main/main_session.h"
+#include "ui/layers/show.h"
 
 namespace Data {
 namespace {
@@ -196,4 +197,20 @@ void Factchecks::save(
 	}
 }
 
+void Factchecks::save(
+		FullMsgId itemId,
+		TextWithEntities was,
+		TextWithEntities text,
+		std::shared_ptr<Ui::Show> show) {
+	const auto done = [=](QString error) {
+		show->showToast(!error.isEmpty()
+			? error
+			: was.empty()
+			? tr::lng_factcheck_remove_done(tr::now)
+			: text.empty()
+			? tr::lng_factcheck_add_done(tr::now)
+			: tr::lng_factcheck_edit_done(tr::now));
+	};
+}
+
 } // namespace Data

Telegram/SourceFiles/data/components/factchecks.h

@@ -21,6 +21,10 @@ namespace Main {
 class Session;
 } // namespace Main
 
+namespace Ui {
+class Show;
+} // namespace Ui
+
 namespace Data {
 
 class Factchecks final {
@@ -39,6 +43,11 @@ public:
 		FullMsgId itemId,
 		TextWithEntities text,
 		Fn<void(QString)> done);
+	void save(
+		FullMsgId itemId,
+		TextWithEntities was,
+		TextWithEntities text,
+		std::shared_ptr<Ui::Show> show);
 
 private:
 	[[nodiscard]] bool canEdit() const;

Telegram/SourceFiles/history/history_inner_widget.cpp

@@ -2179,21 +2179,11 @@ void HistoryInner::showContextMenu(QContextMenuEvent *e, bool showFromTouch) {
 				? tr::lng_context_add_factcheck(tr::now)
 				: tr::lng_context_edit_factcheck(tr::now);
 			_menu->addAction(phrase, [=] {
-				controller->show(Box(EditFactcheckBox, text, [=](
+				const auto limit = session->factchecks().lengthLimit();
+				controller->show(Box(EditFactcheckBox, text, limit, [=](
 						TextWithEntities result) {
-					const auto done = [=](QString error) {
-						controller->showToast(!error.isEmpty()
-							? error
-							: result.empty()
-							? tr::lng_factcheck_remove_done(tr::now)
-							: text.empty()
-							? tr::lng_factcheck_add_done(tr::now)
-							: tr::lng_factcheck_edit_done(tr::now));
-					};
-					session->factchecks().save(
-						itemId,
-						result,
-						crl::guard(controller, done));
+					const auto show = controller->uiShow();
+					session->factchecks().save(itemId, text, result, show);
 				}));
 			}, &st::menuIconFactcheck);
 		}

Telegram/SourceFiles/history/view/history_view_context_menu.cpp

@@ -39,6 +39,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/text/text_utilities.h"
 #include "ui/controls/delete_message_context_action.h"
 #include "ui/controls/who_reacted_context_action.h"
+#include "ui/boxes/edit_factcheck_box.h"
 #include "ui/boxes/report_box.h"
 #include "ui/ui_utility.h"
 #include "menu/menu_item_download_files.h"
@@ -53,6 +54,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/sticker_set_box.h"
 #include "boxes/stickers_box.h"
 #include "boxes/translate_box.h"
+#include "data/components/factchecks.h"
 #include "data/data_photo.h"
 #include "data/data_photo_media.h"
 #include "data/data_document.h"
@@ -713,6 +715,31 @@ bool AddEditMessageAction(
 	return true;
 }
 
+void AddFactcheckAction(
+		not_null<Ui::PopupMenu*> menu,
+		const ContextMenuRequest &request,
+		not_null<ListWidget*> list) {
+	const auto item = request.item;
+	if (!item || !item->history()->session().factchecks().canEdit(item)) {
+		return;
+	}
+	const auto itemId = item->fullId();
+	const auto text = item->factcheckText();
+	const auto session = &item->history()->session();
+	const auto phrase = text.empty()
+		? tr::lng_context_add_factcheck(tr::now)
+		: tr::lng_context_edit_factcheck(tr::now);
+	menu->addAction(phrase, [=] {
+		const auto limit = session->factchecks().lengthLimit();
+		const auto controller = request.navigation->parentController();
+		controller->show(Box(EditFactcheckBox, text, limit, [=](
+			TextWithEntities result) {
+			const auto show = controller->uiShow();
+			session->factchecks().save(itemId, text, result, show);
+		}));
+	}, &st::menuIconFactcheck);
+}
+
 bool AddPinMessageAction(
 		not_null<Ui::PopupMenu*> menu,
 		const ContextMenuRequest &request,
@@ -972,6 +999,7 @@ void AddTopMessageActions(
 	AddGoToMessageAction(menu, request, list);
 	AddViewRepliesAction(menu, request, list);
 	AddEditMessageAction(menu, request, list);
+	AddFactcheckAction(menu, request, list);
 	AddPinMessageAction(menu, request, list);
 }
 

Telegram/SourceFiles/settings/business/settings_chat_intro.cpp

@@ -21,7 +21,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "history/view/media/history_view_media_common.h"
 #include "history/view/media/history_view_sticker_player.h"
 #include "history/view/history_view_about_view.h"
-#include "history/view/history_view_context_menu.h"
 #include "history/view/history_view_element.h"
 #include "history/history.h"
 #include "lang/lang_keys.h"
@@ -168,7 +167,6 @@ private:
 	return field;
 }
 
-
 rpl::producer<std::shared_ptr<StickerPlayer>> IconPlayerValue(
 		not_null<DocumentData*> sticker,
 		Fn<void()> update) {

Telegram/SourceFiles/ui/boxes/edit_factcheck_box.cpp

@@ -15,6 +15,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 void EditFactcheckBox(
 		not_null<Ui::GenericBox*> box,
 		TextWithEntities current,
+		int limit,
 		Fn<void(TextWithEntities)> save) {
 	box->setTitle(tr::lng_factcheck_title());
 
@@ -27,6 +28,7 @@ void EditFactcheckBox(
 			current.text,
 			TextUtilities::ConvertEntitiesToTextTags(current.entities)
 		}));
+	AddLengthLimitLabel(field, limit);
 
 	enum class State {
 		Initial,
@@ -62,6 +64,10 @@ void EditFactcheckBox(
 		} else {
 			box->addButton(tr::lng_settings_save(), [=] {
 				auto result = field->getTextWithAppliedMarkdown();
+				if (result.text.size() > limit) {
+					field->showError();
+					return;
+				}
 
 				box->closeBox();
 				save({

Telegram/SourceFiles/ui/boxes/edit_factcheck_box.h

@@ -12,4 +12,5 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 void EditFactcheckBox(
 	not_null<Ui::GenericBox*> box,
 	TextWithEntities current,
+	int limit,
 	Fn<void(TextWithEntities)> save);