Use a detailed phrase for single user join request.

Telegram/Resources/langs/lang.strings

@@ -1342,6 +1342,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_group_request_sent_channel" = "You will be added to the channel once its admins approve your request.";
 "lng_group_requests_pending#one" = "{count} user requested to join";
 "lng_group_requests_pending#other" = "{count} users requested to join";
+"lng_group_requests_pending_user" = "{user} requested to join";
 "lng_group_requests_status" = "requested to join {date}";
 "lng_group_requests_add" = "Add to Group";
 "lng_group_requests_add_channel" = "Add to Channel";

Telegram/SourceFiles/history/view/history_view_requests_bar.cpp

@@ -137,9 +137,9 @@ rpl::producer<Ui::RequestsBarContent> RequestsBarContentByPeer(
 			result.match([&](
 				const MTPDmessages_chatInviteImporters &data) {
 				const auto count = data.vcount().v;
-				const auto changed = (state->current.count != count);
 				const auto &importers = data.vimporters().v;
 				auto &owner = state->peer->owner();
+				const auto old = base::take(state->users);
 				state->users = std::vector<not_null<UserData*>>();
 				const auto use = std::min(
 					importers.size(),
@@ -152,8 +152,22 @@ rpl::producer<Ui::RequestsBarContent> RequestsBarContentByPeer(
 							owner.user(data.vuser_id()));
 					});
 				}
+				const auto changed = (state->current.count != count)
+					|| (count == 1
+						&& ((state->users.size() != old.size())
+							|| (old.size() == 1
+								&& state->users.front() != old.front())));
 				if (changed) {
 					state->current.count = count;
+					if (count == 1 && !state->users.empty()) {
+						const auto user = state->users.front();
+						state->current.nameShort = user->shortName();
+						state->current.nameFull = user->name;
+					} else {
+						state->current.nameShort
+							= state->current.nameFull
+							= QString();
+					}
 				}
 				if (RegenerateUserpics(state, userpicSize) || changed) {
 					push();

Telegram/SourceFiles/ui/chat/requests_bar.cpp

@@ -9,6 +9,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "ui/chat/group_call_userpics.h"
 #include "ui/widgets/shadow.h"
+#include "ui/text/text_options.h"
 #include "lang/lang_keys.h"
 #include "styles/style_chat.h"
 #include "styles/style_calls.h"
@@ -47,10 +48,31 @@ RequestsBar::RequestsBar(
 	) | rpl::start_with_next([=](RequestsBarContent &&content) {
 		_content = content;
 		if (_content.count > 0) {
-			_text = tr::lng_group_requests_pending(
-				tr::now,
-				lt_count_decimal,
-				_content.count);
+			if (_content.count == 1 && !_content.nameFull.isEmpty()) {
+				_textFull.setText(
+					st::defaultMessageBar.title,
+					tr::lng_group_requests_pending_user(
+						tr::now,
+						lt_user,
+						_content.nameFull),
+					Ui::NameTextOptions());
+				_textShort.setText(
+					st::defaultMessageBar.title,
+					tr::lng_group_requests_pending_user(
+						tr::now,
+						lt_user,
+						_content.nameShort),
+					Ui::NameTextOptions());
+			} else {
+				_textShort.setText(
+					st::defaultMessageBar.title,
+					tr::lng_group_requests_pending(
+						tr::now,
+						lt_count_decimal,
+						_content.count),
+					Ui::NameTextOptions());
+				_textFull.clear();
+			}
 		}
 		_userpics->update(_content.users, !_wrap.isHidden());
 		_inner->update();
@@ -131,7 +153,11 @@ void RequestsBar::paint(Painter &p) {
 
 	const auto textLeft = userpicsLeft + _userpicsWidth + userpicsLeft;
 	const auto available = width - textLeft - userpicsLeft;
-	p.drawTextLeft(textLeft, textTop, width, _text);
+	if (_textFull.isEmpty() || available < _textFull.maxWidth()) {
+		_textShort.drawElided(p, textLeft, textTop, available);
+	} else {
+		_textFull.drawElided(p, textLeft, textTop, available);
+	}
 
 	// Skip shadow of the bar above.
 	_userpics->paint(p, userpicsLeft, userpicsTop, userpicsSize);

Telegram/SourceFiles/ui/chat/requests_bar.h

@@ -9,6 +9,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "ui/wrap/slide_wrap.h"
 #include "ui/effects/animations.h"
+#include "ui/text/text.h"
 #include "base/object_ptr.h"
 #include "base/timer.h"
 
@@ -22,6 +23,8 @@ class GroupCallUserpics;
 
 struct RequestsBarContent {
 	std::vector<GroupCallUser> users;
+	QString nameFull;
+	QString nameShort;
 	int count = 0;
 	bool isGroup = false;
 };
@@ -70,7 +73,8 @@ private:
 	RequestsBarContent _content;
 	std::unique_ptr<GroupCallUserpics> _userpics;
 	int _userpicsWidth = 0;
-	QString _text;
+	Ui::Text::String _textShort;
+	Ui::Text::String _textFull;
 
 };