Added ability to manage owned custom emoji packs from sticker set box.

Telegram/Resources/langs/lang.strings

@@ -4503,6 +4503,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_stickers_context_edit_name" = "Edit name";
 "lng_stickers_context_delete" = "Delete sticker";
 "lng_stickers_context_delete_sure" = "Are you sure you want to delete the sticker from your sticker set?";
+"lng_emoji_context_delete" = "Delete emoji";
+"lng_emoji_context_delete_sure" = "Are you sure you want to delete this emoji from your set?";
 "lng_stickers_context_delete_pack" = "Delete Pack";
 "lng_stickers_context_delete_pack_everyone" = "Delete for Everyone";
 "lng_stickers_context_delete_pack_self" = "Delete for Myself";

Telegram/SourceFiles/boxes/sticker_set_box.cpp

@@ -976,10 +976,17 @@ void StickerSetBox::updateButtons() {
 						top,
 						st::popupMenuWithIcons);
 					if (type == Data::StickersType::Emoji) {
-						(*menu)->addAction(
-							tr::lng_custom_emoji_remove_pack_button(tr::now),
-							remove,
-							&st::menuIconRemove);
+						if (fillSetCreatorMenu) {
+							fillSetCreatorMenu(*menu);
+						}
+						if (fillSetCreatorFooter) {
+							fillSetCreatorFooter(*menu);
+						} else {
+							(*menu)->addAction(
+								tr::lng_custom_emoji_remove_pack_button(tr::now),
+								remove,
+								&st::menuIconRemove);
+						}
 					} else {
 						if (fillSetCreatorMenu) {
 							fillSetCreatorMenu(*menu);
@@ -1137,7 +1144,8 @@ void StickerSetBox::Inner::applySet(const TLStickerSet &set) {
 					& (SetFlag::Featured
 						| SetFlag::NotLoaded
 						| SetFlag::Unread
-						| SetFlag::Special);
+						| SetFlag::Special
+						| SetFlag::Installed);
 				_setFlags |= clientFlags;
 				set->flags = _setFlags;
 				set->installDate = _setInstallDate;
@@ -1611,6 +1619,19 @@ void StickerSetBox::Inner::contextMenuEvent(QContextMenuEvent *e) {
 				Ui::Menu::CreateAddActionCallback(_menu.get()),
 				_show,
 				_pack[index]);
+		} else {
+			const auto addAction = Ui::Menu::CreateAddActionCallback(
+				_menu.get());
+			addAction({
+				.text = tr::lng_emoji_context_delete(tr::now),
+				.handler = [index, this, show = _show] {
+					show->showBox(Box([=](not_null<Ui::GenericBox*> box) {
+						fillDeleteStickerBox(box, index);
+					}));
+				},
+				.icon = &st::menuIconDeleteAttention,
+				.isAttention = true,
+			});
 		}
 	} else if (details.type != SendMenu::Type::Disabled) {
 		const auto document = _pack[index];
@@ -1684,6 +1705,8 @@ void StickerSetBox::Inner::fillDeleteStickerBox(
 	const auto document = _pack[index];
 	const auto weak = base::make_weak(this);
 	const auto show = _show;
+	const auto type = setType();
+	const auto isEmoji = (type == Data::StickersType::Emoji);
 
 	const auto container = box->verticalLayout();
 	Ui::AddSkip(container);
@@ -1718,7 +1741,9 @@ void StickerSetBox::Inner::fillDeleteStickerBox(
 	}, sticker->lifetime());
 	const auto label = Ui::CreateChild<Ui::FlatLabel>(
 		line,
-		tr::lng_stickers_context_delete(),
+		isEmoji
+			? tr::lng_emoji_context_delete()
+			: tr::lng_stickers_context_delete(),
 		box->getDelegate()->style().title);
 	line->widthValue(
 	) | rpl::on_next([=](int width) {
@@ -1742,7 +1767,9 @@ void StickerSetBox::Inner::fillDeleteStickerBox(
 	box->addRow(
 		object_ptr<Ui::FlatLabel>(
 			container,
-			tr::lng_stickers_context_delete_sure(),
+			isEmoji
+				? tr::lng_emoji_context_delete_sure()
+				: tr::lng_stickers_context_delete_sure(),
 			st::boxLabel));
 	const auto save = [=] {
 		if (state->requestId.current()) {
@@ -1757,8 +1784,7 @@ void StickerSetBox::Inner::fillDeleteStickerBox(
 		)).done([=](const TLStickerSet &result) {
 			result.match([&](const MTPDmessages_stickerSet &d) {
 				document->owner().stickers().feedSetFull(d);
-				document->owner().stickers().notifyUpdated(
-					Data::StickersType::Stickers);
+				document->owner().stickers().notifyUpdated(type);
 			}, [](const auto &) {
 			});
 			if ([[maybe_unused]] const auto strong = weak.get()) {

Telegram/SourceFiles/chat_helpers/emoji_list_widget.cpp

@@ -2932,6 +2932,7 @@ void EmojiListWidget::refreshCustom() {
 				return;
 			} else if (valid) {
 				i->thumbnailDocument = it->second->lookupThumbnailDocument();
+				i->title = it->second->title;
 				const auto premiumRequired = premium && premiumMayBeBought;
 				if (i->canRemove != canRemove
 					|| i->premiumRequired != premiumRequired) {

Telegram/SourceFiles/data/stickers/data_stickers.cpp

@@ -1609,7 +1609,8 @@ not_null<StickersSet*> Stickers::feedSet(const MTPStickerSet &info) {
 			& (SetFlag::Featured
 				| SetFlag::Unread
 				| SetFlag::NotLoaded
-				| SetFlag::Special);
+				| SetFlag::Special
+				| SetFlag::Installed);
 		set->flags = flags | clientFlags;
 		const auto installDate = data.vinstalled_date();
 		set->installDate = installDate