Block field with toast if texts are not allowed.

Telegram/Resources/langs/lang.strings

@@ -1944,6 +1944,18 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_broadcast_ph" = "Broadcast a message...";
 "lng_broadcast_silent_ph" = "Silent broadcast...";
 "lng_send_anonymous_ph" = "Send anonymously...";
+"lng_send_text_no" = "Text not allowed.";
+"lng_send_text_no_about" = "The admins of this group only allow sending {types}.";
+"lng_send_text_type_and_last" = "{types} and {last}";
+"lng_send_text_type_photos" = "Photos";
+"lng_send_text_type_videos" = "Video files";
+"lng_send_text_type_video_messages" = "Video Messages";
+"lng_send_text_type_music" = "Music";
+"lng_send_text_type_voice_messages" = "Voice Messages";
+"lng_send_text_type_files" = "Files";
+"lng_send_text_type_stickers" = "Stickers & GIFs";
+"lng_send_text_type_polls" = "Polls";
+
 "lng_send_as_title" = "Send message as...";
 "lng_send_as_anonymous_admin" = "Anonymous admin";
 "lng_send_as_premium_required" = "Subscribe to {link} to be able to comment on behalf of your channels in group chats.";

Telegram/SourceFiles/chat_helpers/message_field.cpp

@@ -18,7 +18,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "core/shortcuts.h"
 #include "core/application.h"
 #include "core/core_settings.h"
+#include "ui/toast/toast.h"
 #include "ui/wrap/vertical_layout.h"
+#include "ui/widgets/buttons.h"
 #include "ui/widgets/popup_menu.h"
 #include "ui/ui_utility.h"
 #include "data/data_session.h"
@@ -50,6 +52,7 @@ using EditLinkAction = Ui::InputField::EditLinkAction;
 using EditLinkSelection = Ui::InputField::EditLinkSelection;
 
 constexpr auto kParseLinksTimeout = crl::time(1000);
+constexpr auto kTypesDuration = 4 * crl::time(1000);
 
 // For mention / custom emoji tags save and validate selfId,
 // ignore tags for different users.
@@ -773,3 +776,86 @@ void MessageLinksParser::apply(
 	}
 	_list = std::move(parsed);
 }
+
+base::unique_qptr<Ui::RpWidget> CreateDisabledFieldView(
+		QWidget *parent,
+		not_null<PeerData*> peer) {
+	auto result = base::make_unique_q<Ui::AbstractButton>(parent);
+	const auto raw = result.get();
+	const auto label = CreateChild<Ui::FlatLabel>(
+		result.get(),
+		tr::lng_send_text_no(),
+		st::historySendDisabled);
+	label->setAttribute(Qt::WA_TransparentForMouseEvents);
+	raw->setPointerCursor(false);
+	raw->widthValue(
+	) | rpl::start_with_next([=](int width) {
+		const auto &st = st::historyComposeField;
+		const auto margins = (st.textMargins + st.placeholderMargins);
+		const auto available = width - margins.left() - margins.right();
+		const auto skip = st::historySendDisabledIconSkip;
+		label->resizeToWidth(available - skip);
+		label->moveToLeft(margins.left() + skip, margins.top(), width);
+	}, label->lifetime());
+	raw->paintRequest(
+	) | rpl::start_with_next([=] {
+		auto p = QPainter(raw);
+		const auto &st = st::historyComposeField;
+		const auto margins = (st.textMargins + st.placeholderMargins);
+		const auto &icon = st::historySendDisabledIcon;
+		icon.paint(
+			p,
+			margins.left() + st::historySendDisabledPosition.x(),
+			margins.top() + st::historySendDisabledPosition.y(),
+			raw->width());
+	}, raw->lifetime());
+	using WeakToast = base::weak_ptr<Ui::Toast::Instance>;
+	const auto toast = raw->lifetime().make_state<WeakToast>();
+	raw->setClickedCallback([=] {
+		if (toast->get()) {
+			return;
+		}
+		using Flag = ChatRestriction;
+		const auto map = base::flat_map<Flag, tr::phrase<>>{
+			{ Flag::SendPhotos, tr::lng_send_text_type_photos },
+			{ Flag::SendVideos, tr::lng_send_text_type_videos },
+			{
+				Flag::SendVideoMessages,
+				tr::lng_send_text_type_video_messages,
+			},
+			{ Flag::SendMusic, tr::lng_send_text_type_music },
+			{
+				Flag::SendVoiceMessages,
+				tr::lng_send_text_type_voice_messages,
+			},
+			{ Flag::SendFiles, tr::lng_send_text_type_files },
+			{ Flag::SendStickers, tr::lng_send_text_type_stickers },
+			{ Flag::SendPolls, tr::lng_send_text_type_polls },
+		};
+		auto list = QStringList();
+		for (const auto &[flag, phrase] : map) {
+			if (Data::CanSend(peer, flag, false)) {
+				list.append(phrase(tr::now));
+			}
+		}
+		if (list.empty()) {
+			return;
+		}
+		const auto types = (list.size() > 1)
+			? tr::lng_send_text_type_and_last(
+				tr::now,
+				lt_types,
+				list.mid(0, list.size() - 1).join(", "),
+				lt_last,
+				list.back())
+			: list.back();
+		*toast = Ui::Toast::Show(parent, {
+			.text = { tr::lng_send_text_no_about(tr::now, lt_types, types) },
+			.st = &st::defaultMultilineToast,
+			.durationMs = kTypesDuration,
+			.multiline = true,
+			.slideSide = RectPart::Bottom,
+		});
+	});
+	return result;
+}

Telegram/SourceFiles/chat_helpers/message_field.h

@@ -122,3 +122,7 @@ private:
 	base::qt_connection _connection;
 
 };
+
+[[nodiscard]] base::unique_qptr<Ui::RpWidget> CreateDisabledFieldView(
+	QWidget *parent,
+	not_null<PeerData*> peer);

Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp

@@ -918,9 +918,9 @@ void TabbedSelector::checkRestrictedPeer() {
 				_currentPeer,
 				ChatRestriction::SendGifs)
 			: (_currentTabType == SelectorTab::Emoji && _mode == Mode::Full)
-			? (Data::RestrictionError(
+			? ((true || Data::RestrictionError(
-				_currentPeer,
+				_currentPeer, // We don't allow input if texts are forbidden.
-				ChatRestriction::SendInline)
+				ChatRestriction::SendInline))
 				? Data::RestrictionError(
 					_currentPeer,
 					ChatRestriction::SendOther)

Telegram/SourceFiles/history/history_widget.cpp

@@ -1737,7 +1737,7 @@ void HistoryWidget::setInnerFocus() {
 			|| isRecording()
 			|| isBotStart()
 			|| isBlocked()
-			|| !_canSendMessages) {
+			|| !_canSendTexts) {
 			_list->setFocus();
 		} else {
 			_field->setFocus();
@@ -1870,7 +1870,7 @@ void HistoryWidget::fastShowAtEnd(not_null<History*> history) {
 void HistoryWidget::applyDraft(FieldHistoryAction fieldHistoryAction) {
 	InvokeQueued(this, [=] { updateStickersByEmoji(); });
 
-	if (_voiceRecordBar->isActive()) {
+	if (_voiceRecordBar->isActive() || !_canSendTexts) {
 		return;
 	}
 
@@ -1884,7 +1884,7 @@ void HistoryWidget::applyDraft(FieldHistoryAction fieldHistoryAction) {
 	if (!draft || (!_history->localEditDraft({}) && !fieldAvailable)) {
 		auto fieldWillBeHiddenAfterEdit = (!fieldAvailable && _editMsgId != 0);
 		clearFieldText(0, fieldHistoryAction);
-		_field->setFocus();
+		setInnerFocus();
 		_processingReplyItem = _replyEditMsg = nullptr;
 		_processingReplyId = _replyToId = 0;
 		setEditMsgId(0);
@@ -1898,7 +1898,7 @@ void HistoryWidget::applyDraft(FieldHistoryAction fieldHistoryAction) {
 
 	_textUpdateEvents = 0;
 	setFieldText(draft->textWithTags, 0, fieldHistoryAction);
-	_field->setFocus();
+	setInnerFocus();
 	draft->cursor.applyTo(_field);
 	_textUpdateEvents = TextUpdateEvent::SaveDraft
 		| TextUpdateEvent::SendTyping;
@@ -2110,6 +2110,8 @@ void HistoryWidget::showHistory(
 		_list = nullptr;
 		_peer = nullptr;
 		_canSendMessages = false;
+		_canSendTexts = false;
+		_fieldDisabled = nullptr;
 		_silent.destroy();
 		updateBotKeyboard();
 	} else {
@@ -2136,7 +2138,6 @@ void HistoryWidget::showHistory(
 
 	if (peerId) {
 		_peer = session().data().peer(peerId);
-		_canSendMessages = Data::CanSendAnything(_peer);
 		_contactStatus = std::make_unique<HistoryView::ContactStatus>(
 			controller(),
 			this,
@@ -2628,6 +2629,13 @@ std::optional<QString> HistoryWidget::writeRestriction() const {
 }
 
 void HistoryWidget::updateControlsVisibility() {
+	auto fieldDisabledRemoved = (_fieldDisabled != nullptr);
+	const auto guard = gsl::finally([&] {
+		if (fieldDisabledRemoved) {
+			_fieldDisabled = nullptr;
+		}
+	});
+
 	if (!_showAnimation) {
 		_topShadow->setVisible(_peer != nullptr);
 		_topBar->setVisible(_peer != nullptr);
@@ -2745,7 +2753,19 @@ void HistoryWidget::updateControlsVisibility() {
 		_send->show();
 		updateSendButtonType();
 
-		_field->show();
+		if (_canSendTexts) {
+			_field->show();
+		} else {
+			fieldDisabledRemoved = false;
+			if (!_fieldDisabled) {
+				_fieldDisabled = CreateDisabledFieldView(this, _peer);
+				orderWidgets();
+				updateControlsGeometry();
+				update();
+			}
+			_fieldDisabled->show();
+			hideFieldIfVisible();
+		}
 		if (_kbShown) {
 			_kbScroll->show();
 			_tabbedSelectorToggle->hide();
@@ -3696,7 +3716,7 @@ void HistoryWidget::saveEditMsg() {
 				cancelEdit();
 			} else if (error == u"MESSAGE_EMPTY"_q) {
 				_field->selectAll();
-				_field->setFocus();
+				setInnerFocus();
 			} else {
 				controller()->showToast({ tr::lng_edit_error(tr::now) });
 			}
@@ -3819,7 +3839,7 @@ void HistoryWidget::send(Api::SendOptions options) {
 	hideSelectorControlsAnimated();
 
 	if (_previewData && _previewData->pendingTill) previewCancel();
-	_field->setFocus();
+	setInnerFocus();
 
 	if (!_keyboard->hasMarkup() && _keyboard->forceReply() && !_kbReplyTo) {
 		toggleKeyboard();
@@ -4260,7 +4280,7 @@ void HistoryWidget::sendBotCommand(const Bot::SendCommandRequest &request) {
 		}
 	}
 
-	_field->setFocus();
+	setInnerFocus();
 }
 
 void HistoryWidget::hideSingleUseKeyboard(PeerData *peer, MsgId replyTo) {
@@ -4281,7 +4301,7 @@ void HistoryWidget::hideSingleUseKeyboard(PeerData *peer, MsgId replyTo) {
 }
 
 bool HistoryWidget::insertBotCommand(const QString &cmd) {
-	if (!canWriteMessage()) {
+	if (!_canSendTexts) {
 		return false;
 	}
 
@@ -4327,7 +4347,7 @@ bool HistoryWidget::insertBotCommand(const QString &cmd) {
 			{ toInsert, TextWithTags::Tags() },
 			TextUpdateEvent::SaveDraft,
 			Ui::InputField::HistoryAction::NewEntry);
-		_field->setFocus();
+		setInnerFocus();
 		return true;
 	}
 	return false;
@@ -4808,10 +4828,20 @@ void HistoryWidget::recountChatWidth() {
 	controller()->adaptive().setChatLayout(layout);
 }
 
+int HistoryWidget::fieldHeight() const {
+	return _canSendTexts
+		? _field->height()
+		: (st::historySendSize.height() - 2 * st::historySendPadding);
+}
+
+bool HistoryWidget::fieldOrDisabledShown() const {
+	return !_field->isHidden() || _fieldDisabled;
+}
+
 void HistoryWidget::moveFieldControls() {
 	auto keyboardHeight = 0;
 	auto bottom = height();
-	auto maxKeyboardHeight = computeMaxFieldHeight() - _field->height();
+	auto maxKeyboardHeight = computeMaxFieldHeight() - fieldHeight();
 	_keyboard->resizeToWidth(width(), maxKeyboardHeight);
 	if (_kbShown) {
 		keyboardHeight = qMin(_keyboard->height(), maxKeyboardHeight);
@@ -4834,6 +4864,11 @@ void HistoryWidget::moveFieldControls() {
 		_sendAs->moveToLeft(left, buttonsBottom); left += _sendAs->width();
 	}
 	_field->moveToLeft(left, bottom - _field->height() - st::historySendPadding);
+	if (_fieldDisabled) {
+		_fieldDisabled->moveToLeft(
+			left,
+			bottom - fieldHeight() - st::historySendPadding);
+	}
 	auto right = st::historySendRight;
 	_send->moveToRight(right, buttonsBottom); right += _send->width();
 	_voiceRecordBar->moveToLeft(0, bottom - _voiceRecordBar->height());
@@ -4896,6 +4931,9 @@ void HistoryWidget::updateFieldSize() {
 	if (_scheduled) fieldWidth -= _scheduled->width();
 	if (_ttlInfo) fieldWidth -= _ttlInfo->width();
 
+	if (_fieldDisabled) {
+		_fieldDisabled->resize(fieldWidth, fieldHeight());
+	}
 	if (_field->width() != fieldWidth) {
 		_field->resize(fieldWidth, _field->height());
 	} else {
@@ -5552,7 +5590,7 @@ void HistoryWidget::updateHistoryGeometry(
 		newScrollHeight -= _unblock->height();
 	} else {
 		if (editingMessage() || _canSendMessages) {
-			newScrollHeight -= (_field->height() + 2 * st::historySendPadding);
+			newScrollHeight -= (fieldHeight() + 2 * st::historySendPadding);
 		} else if (writeRestriction().has_value()) {
 			newScrollHeight -= _unblock->height();
 		}
@@ -6197,7 +6235,7 @@ void HistoryWidget::sendInlineResult(InlineBots::ResultSelected result) {
 
 	hideSelectorControlsAnimated();
 
-	_field->setFocus();
+	setInnerFocus();
 }
 
 void HistoryWidget::updatePinnedViewer() {
@@ -6690,7 +6728,7 @@ bool HistoryWidget::sendExistingDocument(
 
 	hideSelectorControlsAnimated();
 
-	_field->setFocus();
+	setInnerFocus();
 	return true;
 }
 
@@ -6715,7 +6753,7 @@ bool HistoryWidget::sendExistingPhoto(
 
 	hideSelectorControlsAnimated();
 
-	_field->setFocus();
+	setInnerFocus();
 	return true;
 }
 
@@ -6889,9 +6927,7 @@ void HistoryWidget::setReplyFieldsFromProcessing() {
 	_saveDraftStart = crl::now();
 	saveDraft();
 
-	if (!_field->isHidden()) {
+	setInnerFocus();
-		_field->setFocus();
-	}
 }
 
 void HistoryWidget::editMessage(FullMsgId itemId) {
@@ -6961,7 +6997,9 @@ void HistoryWidget::editMessage(not_null<HistoryItem*> item) {
 
 	updateBotKeyboard();
 
-	if (!_field->isHidden()) _fieldBarCancel->show();
+	if (fieldOrDisabledShown()) {
+		_fieldBarCancel->show();
+	}
 	updateFieldPlaceholder();
 	updateMouseTracking();
 	updateReplyToName();
@@ -6972,7 +7010,7 @@ void HistoryWidget::editMessage(not_null<HistoryItem*> item) {
 	_saveDraftStart = crl::now();
 	saveDraft();
 
-	_field->setFocus();
+	setInnerFocus();
 }
 
 void HistoryWidget::hidePinnedMessage() {
@@ -7328,10 +7366,15 @@ bool HistoryWidget::updateCanSendMessage() {
 	const auto newCanSendMessages = topic
 		? Data::CanSendAnyOf(topic, allWithoutPolls)
 		: Data::CanSendAnyOf(_peer, allWithoutPolls);
-	if (_canSendMessages == newCanSendMessages) {
+	const auto newCanSendTexts = topic
+		? Data::CanSend(topic, ChatRestriction::SendOther)
+		: Data::CanSend(_peer, ChatRestriction::SendOther);
+	if (_canSendMessages == newCanSendMessages
+		&& _canSendTexts == newCanSendTexts) {
 		return false;
 	}
 	_canSendMessages = newCanSendMessages;
+	_canSendTexts = newCanSendTexts;
 	if (!_canSendMessages) {
 		cancelReply();
 	}
@@ -7474,7 +7517,7 @@ void HistoryWidget::updateTopBarSelection() {
 			|| isRecording()
 			|| isBotStart()
 			|| isBlocked()
-			|| !_canSendMessages) {
+			|| !_canSendTexts) {
 			_list->setFocus();
 		} else {
 			_field->setFocus();
@@ -7504,7 +7547,7 @@ void HistoryWidget::updateReplyEditText(not_null<HistoryItem*> item) {
 		item->inReplyText(),
 		Ui::DialogTextOptions(),
 		context);
-	if (!_field->isHidden() || isRecording()) {
+	if (fieldOrDisabledShown() || isRecording()) {
 		_fieldBarCancel->show();
 		updateMouseTracking();
 	}
@@ -7581,7 +7624,7 @@ void HistoryWidget::drawField(Painter &p, const QRect &rect) {
 	_repaintFieldScheduled = false;
 
 	auto backy = _field->y() - st::historySendPadding;
-	auto backh = _field->height() + 2 * st::historySendPadding;
+	auto backh = fieldHeight() + 2 * st::historySendPadding;
 	auto hasForward = readyToForward();
 	auto drawMsgText = (_editMsgId || _replyToId) ? _replyEditMsg : _kbReplyTo;
 	if (_editMsgId || _replyToId || (!hasForward && _kbReplyTo)) {
@@ -7801,7 +7844,8 @@ void HistoryWidget::paintEvent(QPaintEvent *e) {
 	Painter p(this);
 	const auto clip = e->rect();
 	if (_list) {
-		const auto restrictionHidden = !_field->isHidden() || isRecording();
+		const auto restrictionHidden = fieldOrDisabledShown()
+			|| isRecording();
 		if (restrictionHidden
 			|| replyToId()
 			|| readyToForward()
@@ -7824,7 +7868,7 @@ void HistoryWidget::paintEvent(QPaintEvent *e) {
 		const auto tr = QRect(
 			(width() - w) / 2,
 			st::msgServiceMargin.top() + (height()
-				- _field->height()
+				- fieldHeight()
 				- 2 * st::historySendPadding
 				- h
 				- st::msgServiceMargin.top()

Telegram/SourceFiles/history/history_widget.h

@@ -569,6 +569,8 @@ private:
 	void clearFieldText(
 		TextUpdateEvents events = 0,
 		FieldHistoryAction fieldHistoryAction = FieldHistoryAction::Clear);
+	[[nodiscard]] int fieldHeight() const;
+	[[nodiscard]] bool fieldOrDisabledShown() const;
 
 	void unregisterDraftSources();
 	void registerDraftSource();
@@ -589,8 +591,8 @@ private:
 	void checkReplyReturns();
 	void scrollToAnimationCallback(FullMsgId attachToId, int relativeTo);
 
-	bool readyToForward() const;
+	[[nodiscard]] bool readyToForward() const;
-	bool hasSilentToggle() const;
+	[[nodiscard]] bool hasSilentToggle() const;
 
 	void checkSupportPreload(bool force = false);
 	void handleSupportSwitch(not_null<History*> updated);
@@ -676,6 +678,7 @@ private:
 	PeerData *_peer = nullptr;
 
 	bool _canSendMessages = false;
+	bool _canSendTexts = false;
 	MsgId _showAtMsgId = ShowAtUnreadMsgId;
 
 	int _firstLoadRequest = 0; // Not real mtpRequestId.
@@ -742,6 +745,7 @@ private:
 	std::unique_ptr<HistoryView::ComposeSearch> _composeSearch;
 	bool _cmdStartShown = false;
 	object_ptr<Ui::InputField> _field;
+	base::unique_qptr<Ui::RpWidget> _fieldDisabled;
 	bool _inReplyEditForward = false;
 	bool _inClickable = false;
 

Telegram/SourceFiles/ui/chat/chat.style

@@ -1247,3 +1247,12 @@ historyTranslateSettings: IconButton(defaultIconButton) {
 	ripple: defaultRippleAnimation;
 }
 historyTranslateMenuPosition: point(-6px, 40px);
+
+historySendDisabled: FlatLabel(defaultFlatLabel) {
+	minWidth: 10px;
+	maxHeight: 20px;
+	textFg: placeholderFg;
+}
+historySendDisabledIcon: icon {{ "emoji/premium_lock", placeholderFgActive }};
+historySendDisabledIconSkip: 20px;
+historySendDisabledPosition: point(0px, 0px);