Show special name/userpic for "Author Hidden".

Telegram/Resources/langs/lang.strings

@@ -2525,6 +2525,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_comments_open_none" = "Leave a comment";
 "lng_replies_view_original" = "View in chat";
 "lng_replies_messages" = "Replies";
+"lng_hidden_author_messages" = "Author Hidden";
 "lng_replies_discussion_started" = "Discussion started";
 "lng_replies_no_comments" = "No comments here yet...";
 

Telegram/SourceFiles/dialogs/dialogs.style

@@ -347,6 +347,7 @@ dialogsForumIcon: ThreeStateIcon {
 dialogsArchiveUserpic: icon {{ "archive_userpic", historyPeerUserpicFg }};
 dialogsRepliesUserpic: icon {{ "replies_userpic", historyPeerUserpicFg }};
 dialogsInaccessibleUserpic: icon {{ "dialogs/inaccessible_userpic", historyPeerUserpicFg }};
+dialogsHiddenAuthorUserpic: icon {{ "hidden_author_userpic", historyPeerUserpicFg }};
 
 dialogsSendStateSkip: 20px;
 dialogsSendingIcon: ThreeStateIcon {

Telegram/SourceFiles/dialogs/ui/dialogs_layout.cpp

@@ -270,6 +270,7 @@ enum class Flag {
 	RepliesMessages  = 0x10,
 	AllowUserOnline  = 0x20,
 	TopicJumpRipple  = 0x40,
+	HiddenAuthor     = 0x80,
 };
 inline constexpr bool is_flag_type(Flag) { return true; }
 
@@ -312,6 +313,7 @@ void PaintRow(
 
 	const auto history = entry->asHistory();
 	const auto thread = entry->asThread();
+	const auto sublist = entry->asSublist();
 
 	if (flags & Flag::SavedMessages) {
 		EmptyUserpic::PaintSavedMessages(
@@ -327,6 +329,13 @@ void PaintRow(
 			context.st->padding.top(),
 			context.width,
 			context.st->photoSize);
+	} else if (flags & Flag::HiddenAuthor) {
+		EmptyUserpic::PaintHiddenAuthor(
+			p,
+			context.st->padding.left(),
+			context.st->padding.top(),
+			context.width,
+			context.st->photoSize);
 	} else if (!from && hiddenSenderInfo) {
 		hiddenSenderInfo->emptyUserpic.paintCircle(
 			p,
@@ -548,7 +557,7 @@ void PaintRow(
 			// Empty history
 		}
 	} else if (!item->isEmpty()) {
-		if (thread && !promoted) {
+		if ((thread || sublist) && !promoted) {
 			PaintRowDate(p, date, rectForName, context);
 		}
 
@@ -607,10 +616,15 @@ void PaintRow(
 	}
 
 	p.setFont(st::semiboldFont);
-	if (flags & (Flag::SavedMessages | Flag::RepliesMessages)) {
+	if (flags
+		& (Flag::SavedMessages
+			| Flag::RepliesMessages
+			| Flag::HiddenAuthor)) {
 		auto text = (flags & Flag::SavedMessages)
 			? tr::lng_saved_messages(tr::now)
-			: tr::lng_replies_messages(tr::now);
+			: (flags & Flag::RepliesMessages)
+			? tr::lng_replies_messages(tr::now)
+			: tr::lng_hidden_author_messages(tr::now);
 		const auto textWidth = st::semiboldFont->width(text);
 		if (textWidth > rectForName.width()) {
 			text = st::semiboldFont->elided(text, rectForName.width());
@@ -622,7 +636,7 @@ void PaintRow(
 			: st::dialogsNameFg);
 		p.drawTextLeft(rectForName.left(), rectForName.top(), context.width, text);
 	} else if (from) {
-		if (history && !context.search) {
+		if ((history || sublist) && !context.search) {
 			const auto badgeWidth = fromBadge.drawGetWidth(
 				p,
 				rectForName,
@@ -773,11 +787,18 @@ void RowPainter::Paint(
 		? (history->peer->migrateTo()
 			? history->peer->migrateTo()
 			: history->peer.get())
+		: sublist
+		? sublist->peer().get()
 		: nullptr;
 	const auto allowUserOnline = true;// !context.narrow || badgesState.empty();
 	const auto flags = (allowUserOnline ? Flag::AllowUserOnline : Flag(0))
-		| (peer && peer->isSelf() ? Flag::SavedMessages : Flag(0))
-		| (peer && peer->isRepliesChat() ? Flag::RepliesMessages : Flag(0))
+		| ((peer && peer->isSelf()) ? Flag::SavedMessages : Flag(0))
+		| ((from && from->isRepliesChat())
+			? Flag::RepliesMessages
+			: Flag(0))
+		| ((sublist && from->isSavedHiddenAuthor())
+			? Flag::HiddenAuthor
+			: Flag(0))
 		| (row->topicJumpRipple() ? Flag::TopicJumpRipple : Flag(0));
 	const auto paintItemCallback = [&](int nameleft, int namewidth) {
 		const auto texttop = context.st->textTop;

Telegram/SourceFiles/ui/empty_userpic.cpp

@@ -151,6 +151,22 @@ void PaintRepliesMessagesInner(
 		fg);
 }
 
+void PaintHiddenAuthorInner(
+		QPainter &p,
+		int x,
+		int y,
+		int size,
+		const style::color &fg) {
+	PaintIconInner(
+		p,
+		x,
+		y,
+		size,
+		st::defaultDialogRow.photoSize,
+		st::dialogsHiddenAuthorUserpic,
+		fg);
+}
+
 void PaintExternalMessagesInner(
 		QPainter &p,
 		int x,
@@ -397,6 +413,45 @@ QImage EmptyUserpic::GenerateRepliesMessages(int size) {
 	});
 }
 
+void EmptyUserpic::PaintHiddenAuthor(
+		QPainter &p,
+		int x,
+		int y,
+		int outerWidth,
+		int size) {
+	auto bg = QLinearGradient(x, y, x, y + size);
+	bg.setStops({
+		{ 0., st::historyPeerSavedMessagesBg->c },
+		{ 1., st::historyPeerSavedMessagesBg2->c }
+	});
+	const auto &fg = st::historyPeerUserpicFg;
+	PaintHiddenAuthor(p, x, y, outerWidth, size, QBrush(bg), fg);
+}
+
+void EmptyUserpic::PaintHiddenAuthor(
+		QPainter &p,
+		int x,
+		int y,
+		int outerWidth,
+		int size,
+		QBrush bg,
+		const style::color &fg) {
+	x = style::RightToLeft() ? (outerWidth - x - size) : x;
+
+	PainterHighQualityEnabler hq(p);
+	p.setBrush(bg);
+	p.setPen(Qt::NoPen);
+	p.drawEllipse(x, y, size, size);
+
+	PaintHiddenAuthorInner(p, x, y, size, fg);
+}
+
+QImage EmptyUserpic::GenerateHiddenAuthor(int size) {
+	return Generate(size, [&](QPainter &p) {
+		PaintHiddenAuthor(p, 0, 0, size, size);
+	});
+}
+
 std::pair<uint64, uint64> EmptyUserpic::uniqueKey() const {
 	const auto first = (uint64(0xFFFFFFFFU) << 32)
 		| anim::getPremultiplied(_colors.color1->c);

Telegram/SourceFiles/ui/empty_userpic.h

@@ -81,6 +81,22 @@ public:
 		const style::color &fg);
 	[[nodiscard]] static QImage GenerateRepliesMessages(int size);
 
+	static void PaintHiddenAuthor(
+		QPainter &p,
+		int x,
+		int y,
+		int outerWidth,
+		int size);
+	static void PaintHiddenAuthor(
+		QPainter &p,
+		int x,
+		int y,
+		int outerWidth,
+		int size,
+		QBrush bg,
+		const style::color &fg);
+	[[nodiscard]] static QImage GenerateHiddenAuthor(int size);
+
 	~EmptyUserpic();
 
 private: