Disable copy to clipboard if noforwards.

Telegram/Resources/langs/lang.strings

@@ -148,8 +148,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_error_admin_limit" = "Sorry, you've reached the maximum number of admins for this group.";
 "lng_error_admin_limit_channel" = "Sorry, you've reached the maximum number of admins for this channel.";
 "lng_error_post_link_invalid" = "Unfortunately, you can't access this message. You are not a member of the chat where it was posted.";
-"lng_error_noforwards_group" = "Sorry, forwarding is disabled from this group.";
+"lng_error_noforwards_group" = "Sorry, forwarding from this group is disabled by admins.";
-"lng_error_noforwards_channel" = "Sorry, forwarding is disabled from this channel.";
+"lng_error_noforwards_channel" = "Sorry, forwarding from this channel is disabled by admins.";
+"lng_error_nocopy_group" = "Sorry, copying from this group is disabled by admins.";
+"lng_error_nocopy_channel" = "Sorry, copying from this channel is disabled by admins.";
 "lng_sure_add_admin_invite" = "This user is not a member of this group. Add them to the group and promote them to admin?";
 "lng_sure_add_admin_invite_channel" = "This user is not a subscriber of this channel. Add them to the channel and promote them to admin?";
 "lng_sure_add_admin_unremove" = "This user is currently restricted or removed. Are you sure you want to promote them?";

Telegram/SourceFiles/history/history_inner_widget.cpp

@@ -25,7 +25,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/chat/chat_style.h"
 #include "ui/widgets/popup_menu.h"
 #include "ui/image/image.h"
-#include "ui/toast/toast.h"
+#include "ui/toasts/common_toasts.h"
 #include "ui/effects/path_shift_gradient.h"
 #include "ui/text/text_options.h"
 #include "ui/boxes/report_box.h"
@@ -1494,7 +1494,8 @@ void HistoryInner::mouseActionFinish(
 
 	if (QGuiApplication::clipboard()->supportsSelection()
 		&& !_selected.empty()
-		&& _selected.cbegin()->second != FullSelection) {
+		&& _selected.cbegin()->second != FullSelection
+		&& _peer->allowsForwarding()) {
 		const auto [item, selection] = *_selected.cbegin();
 		if (const auto view = item->mainView()) {
 			TextUtilities::SetClipboardText(
@@ -1673,7 +1674,7 @@ void HistoryInner::showContextMenu(QContextMenuEvent *e, bool showFromTouch) {
 	};
 	const auto addPhotoActions = [&](not_null<PhotoData*> photo) {
 		const auto media = photo->activeMediaView();
-		if (!photo->isNull() && media && media->loaded()) {
+		if (!photo->isNull() && media && media->loaded() && _peer->allowsForwarding()) {
 			_menu->addAction(tr::lng_context_save_image(tr::now), App::LambdaDelayed(st::defaultDropdownMenu.menu.ripple.hideDuration, this, [=] {
 				savePhotoToFile(photo);
 			}));
@@ -1753,7 +1754,7 @@ void HistoryInner::showContextMenu(QContextMenuEvent *e, bool showFromTouch) {
 	if (lnkPhoto || lnkDocument) {
 		const auto item = _dragStateItem;
 		const auto itemId = item ? item->fullId() : FullMsgId();
-		if (isUponSelected > 0) {
+		if (isUponSelected > 0 && _peer->allowsForwarding()) {
 			_menu->addAction(
 				(isUponSelected > 1
 					? tr::lng_context_copy_selected_items(tr::now)
@@ -1844,11 +1845,13 @@ void HistoryInner::showContextMenu(QContextMenuEvent *e, bool showFromTouch) {
 		const auto view = item ? item->mainView() : nullptr;
 
 		if (isUponSelected > 0) {
-			_menu->addAction(
+			if (_peer->allowsForwarding()) {
-				((isUponSelected > 1)
+				_menu->addAction(
-					? tr::lng_context_copy_selected_items(tr::now)
+					((isUponSelected > 1)
-					: tr::lng_context_copy_selected(tr::now)),
+						? tr::lng_context_copy_selected_items(tr::now)
-				[=] { copySelectedText(); });
+						: tr::lng_context_copy_selected(tr::now)),
+					[=] { copySelectedText(); });
+			}
 			addItemActions(item, item);
 		} else {
 			addItemActions(item, albumPartItem);
@@ -1892,6 +1895,7 @@ void HistoryInner::showContextMenu(QContextMenuEvent *e, bool showFromTouch) {
 				if (!item->isService()
 					&& view
 					&& !link
+					&& _peer->allowsForwarding()
 					&& (view->hasVisibleText() || mediaHasTextForCopy)) {
 					_menu->addAction(tr::lng_context_copy_text(tr::now), [=] {
 						copyContextText(itemId);
@@ -1997,8 +2001,22 @@ void HistoryInner::showContextMenu(QContextMenuEvent *e, bool showFromTouch) {
 	}
 }
 
+bool HistoryInner::showCopyRestriction() {
+	if (_peer->allowsForwarding()) {
+		return false;
+	}
+	Ui::ShowMultilineToast({
+		.text = { _peer->isBroadcast()
+			? tr::lng_error_nocopy_channel(tr::now)
+			: tr::lng_error_nocopy_group(tr::now) },
+	});
+	return true;
+}
+
 void HistoryInner::copySelectedText() {
-	TextUtilities::SetClipboardText(getSelectedText());
+	if (!showCopyRestriction()) {
+		TextUtilities::SetClipboardText(getSelectedText());
+	}
 }
 
 void HistoryInner::savePhotoToFile(not_null<PhotoData*> photo) {
@@ -2027,10 +2045,10 @@ void HistoryInner::copyContextImage(not_null<PhotoData*> photo) {
 	const auto media = photo->activeMediaView();
 	if (photo->isNull() || !media || !media->loaded()) {
 		return;
+	} else if (!showCopyRestriction()) {
+		const auto image = media->image(Data::PhotoSize::Large)->original();
+		QGuiApplication::clipboard()->setImage(image);
 	}
-
-	const auto image = media->image(Data::PhotoSize::Large)->original();
-	QGuiApplication::clipboard()->setImage(image);
 }
 
 void HistoryInner::showStickerPackInfo(not_null<DocumentData*> document) {
@@ -2078,7 +2096,9 @@ void HistoryInner::saveContextGif(FullMsgId itemId) {
 }
 
 void HistoryInner::copyContextText(FullMsgId itemId) {
-	if (const auto item = session().data().message(itemId)) {
+	if (showCopyRestriction()) {
+		return;
+	} else if (const auto item = session().data().message(itemId)) {
 		if (const auto group = session().data().groups().find(item)) {
 			TextUtilities::SetClipboardText(HistoryGroupText(group));
 		} else {
@@ -2174,7 +2194,8 @@ void HistoryInner::keyPressEvent(QKeyEvent *e) {
 		copySelectedText();
 #ifdef Q_OS_MAC
 	} else if (e->key() == Qt::Key_E
-		&& e->modifiers().testFlag(Qt::ControlModifier)) {
+		&& e->modifiers().testFlag(Qt::ControlModifier)
+		&& !showCopyRestriction()) {
 		TextUtilities::SetClipboardText(getSelectedText(), QClipboard::FindBuffer);
 #endif // Q_OS_MAC
 	} else if (e == QKeySequence::Delete) {

Telegram/SourceFiles/history/history_inner_widget.h

@@ -342,6 +342,7 @@ private:
 	void blockSenderItem(FullMsgId itemId);
 	void blockSenderAsGroup(FullMsgId itemId);
 	void copySelectedText();
+	bool showCopyRestriction();
 
 	// Does any of the shown histories has this flag set.
 	bool hasPendingResizedItems() const;

Telegram/SourceFiles/history/view/history_view_context_menu.cpp

@@ -129,15 +129,19 @@ void AddPhotoActions(
 		not_null<Ui::PopupMenu*> menu,
 		not_null<PhotoData*> photo,
 		not_null<ListWidget*> list) {
-	menu->addAction(
+	if (!list->hasCopyRestriction()) {
-		tr::lng_context_save_image(tr::now),
+		menu->addAction(
-		App::LambdaDelayed(
+			tr::lng_context_save_image(tr::now),
-			st::defaultDropdownMenu.menu.ripple.hideDuration,
+			App::LambdaDelayed(
-			&photo->session(),
+				st::defaultDropdownMenu.menu.ripple.hideDuration,
-			[=] { SavePhotoToFile(photo); }));
+				&photo->session(),
-	menu->addAction(tr::lng_context_copy_image(tr::now), [=] {
+				[=] { SavePhotoToFile(photo); }));
-		CopyImage(photo);
+		menu->addAction(tr::lng_context_copy_image(tr::now), [=] {
-	});
+			if (!list->showCopyRestriction()) {
+				CopyImage(photo);
+			}
+		});
+	}
 	if (photo->hasAttachedStickers()) {
 		const auto controller = list->controller();
 		auto callback = [=] {
@@ -903,12 +907,14 @@ base::unique_qptr<Ui::PopupMenu> FillContextMenu(
 	const auto hasSelection = !request.selectedItems.empty()
 		|| !request.selectedText.empty();
 
-	if (request.overSelection) {
+	if (request.overSelection && !list->hasCopyRestriction()) {
 		const auto text = request.selectedItems.empty()
 			? tr::lng_context_copy_selected(tr::now)
 			: tr::lng_context_copy_selected_items(tr::now);
 		result->addAction(text, [=] {
-			TextUtilities::SetClipboardText(list->getSelectedText());
+			if (!list->showCopyRestriction()) {
+				TextUtilities::SetClipboardText(list->getSelectedText());
+			}
 		});
 	}
 
@@ -930,17 +936,21 @@ base::unique_qptr<Ui::PopupMenu> FillContextMenu(
 				view->data()->fullId(),
 				list);
 		}
-		if (!link && (view->hasVisibleText() || mediaHasTextForCopy)) {
+		if (!link
+			&& (view->hasVisibleText() || mediaHasTextForCopy)
+			&& !list->hasCopyRestriction()) {
 			const auto asGroup = (request.pointState != PointState::GroupPart);
 			result->addAction(tr::lng_context_copy_text(tr::now), [=] {
-				if (const auto item = owner->message(itemId)) {
+				if (!list->showCopyRestriction()) {
-					if (asGroup) {
+					if (const auto item = owner->message(itemId)) {
-						if (const auto group = owner->groups().find(item)) {
+						if (asGroup) {
-							TextUtilities::SetClipboardText(HistoryGroupText(group));
+							if (const auto group = owner->groups().find(item)) {
-							return;
+								TextUtilities::SetClipboardText(HistoryGroupText(group));
+								return;
+							}
 						}
+						TextUtilities::SetClipboardText(HistoryItemText(item));
 					}
-					TextUtilities::SetClipboardText(HistoryItemText(item));
 				}
 			});
 		}

Telegram/SourceFiles/history/view/history_view_list_widget.cpp

@@ -30,6 +30,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "main/main_session.h"
 #include "ui/widgets/popup_menu.h"
 #include "ui/toast/toast.h"
+#include "ui/toasts/common_toasts.h"
 #include "ui/inactive_press.h"
 #include "ui/effects/path_shift_gradient.h"
 #include "ui/chat/chat_theme.h"
@@ -1164,6 +1165,25 @@ bool ListWidget::isEmpty() const {
 		&& (_itemsHeight + _itemsRevealHeight == 0);
 }
 
+
+
+bool ListWidget::hasCopyRestriction() const {
+	return _delegate->listCopyRestrictionType() != CopyRestrictionType::None;
+}
+
+bool ListWidget::showCopyRestriction() {
+	const auto type = _delegate->listCopyRestrictionType();
+	if (type == CopyRestrictionType::None) {
+		return false;
+	}
+	Ui::ShowMultilineToast({
+		.text = { (type == CopyRestrictionType::Channel)
+			? tr::lng_error_nocopy_channel(tr::now)
+			: tr::lng_error_nocopy_group(tr::now) },
+	});
+	return true;
+}
+
 int ListWidget::itemMinimalHeight() const {
 	return st::msgMarginTopAttached
 		+ st::msgPhotoSize
@@ -1892,11 +1912,13 @@ void ListWidget::keyPressEvent(QKeyEvent *e) {
 			_delegate->listCancelRequest();
 		}
 	} else if (e == QKeySequence::Copy
-		&& (hasSelectedText() || hasSelectedItems())) {
+		&& (hasSelectedText() || hasSelectedItems())
+		&& !showCopyRestriction()) {
 		TextUtilities::SetClipboardText(getSelectedText());
 #ifdef Q_OS_MAC
 	} else if (e->key() == Qt::Key_E
-		&& e->modifiers().testFlag(Qt::ControlModifier)) {
+		&& e->modifiers().testFlag(Qt::ControlModifier)
+		&& !showCopyRestriction()) {
 		TextUtilities::SetClipboardText(getSelectedText(), QClipboard::FindBuffer);
 #endif // Q_OS_MAC
 	} else if (e == QKeySequence::Delete) {
@@ -2417,7 +2439,8 @@ void ListWidget::mouseActionFinish(
 
 	if (QGuiApplication::clipboard()->supportsSelection()
 		&& _selectedTextItem
-		&& _selectedTextRange.from != _selectedTextRange.to) {
+		&& _selectedTextRange.from != _selectedTextRange.to
+		&& !hasCopyRestriction()) {
 		if (const auto view = viewForItem(_selectedTextItem)) {
 			TextUtilities::SetClipboardText(
 				view->selectedText(_selectedTextRange),
@@ -3058,4 +3081,14 @@ void ConfirmSendNowSelectedItems(not_null<ListWidget*> widget) {
 		clearSelection);
 }
 
+
+CopyRestrictionType CopyRestrictionTypeFor(
+		not_null<PeerData*> peer) {
+	return peer->allowsForwarding()
+		? CopyRestrictionType::None
+		: peer->isBroadcast()
+		? CopyRestrictionType::Channel
+		: CopyRestrictionType::Group;
+}
+
 } // namespace HistoryView

Telegram/SourceFiles/history/view/history_view_list_widget.h

@@ -41,6 +41,12 @@ enum class CursorState : char;
 enum class PointState : char;
 enum class Context : char;
 
+enum class CopyRestrictionType : char {
+	None,
+	Group,
+	Channel,
+};
+
 struct SelectedItem {
 	explicit SelectedItem(FullMsgId msgId) : msgId(msgId) {
 	}
@@ -94,6 +100,7 @@ public:
 		const FullMsgId &context) = 0;
 	virtual void listHandleViaClick(not_null<UserData*> bot) = 0;
 	virtual not_null<Ui::ChatTheme*> listChatTheme() = 0;
+	virtual CopyRestrictionType listCopyRestrictionType() = 0;
 
 };
 
@@ -101,7 +108,6 @@ struct SelectionData {
 	bool canDelete = false;
 	bool canForward = false;
 	bool canSendNow = false;
-
 };
 
 using SelectedMap = base::flat_map<
@@ -199,11 +205,14 @@ public:
 	void selectItem(not_null<HistoryItem*> item);
 	void selectItemAsGroup(not_null<HistoryItem*> item);
 
-	bool loadedAtTopKnown() const;
+	[[nodiscard]] bool loadedAtTopKnown() const;
-	bool loadedAtTop() const;
+	[[nodiscard]] bool loadedAtTop() const;
-	bool loadedAtBottomKnown() const;
+	[[nodiscard]] bool loadedAtBottomKnown() const;
-	bool loadedAtBottom() const;
+	[[nodiscard]] bool loadedAtBottom() const;
-	bool isEmpty() const;
+	[[nodiscard]] bool isEmpty() const;
+
+	[[nodiscard]] bool hasCopyRestriction() const;
+	[[nodiscard]] bool showCopyRestriction();
 
 	// AbstractTooltipShower interface
 	QString tooltipText() const override;
@@ -605,4 +614,7 @@ void ConfirmDeleteSelectedItems(not_null<ListWidget*> widget);
 void ConfirmForwardSelectedItems(not_null<ListWidget*> widget);
 void ConfirmSendNowSelectedItems(not_null<ListWidget*> widget);
 
+[[nodiscard]] CopyRestrictionType CopyRestrictionTypeFor(
+	not_null<PeerData*> peer);
+
 } // namespace HistoryView

Telegram/SourceFiles/history/view/history_view_pinned_section.cpp

@@ -676,6 +676,10 @@ not_null<Ui::ChatTheme*> PinnedWidget::listChatTheme() {
 	return _theme.get();
 }
 
+CopyRestrictionType PinnedWidget::listCopyRestrictionType() {
+	return CopyRestrictionTypeFor(_history->peer);
+}
+
 void PinnedWidget::confirmDeleteSelected() {
 	ConfirmDeleteSelectedItems(_inner);
 }

Telegram/SourceFiles/history/view/history_view_pinned_section.h

@@ -103,6 +103,7 @@ public:
 		const FullMsgId &context) override;
 	void listHandleViaClick(not_null<UserData*> bot) override;
 	not_null<Ui::ChatTheme*> listChatTheme() override;
+	CopyRestrictionType listCopyRestrictionType() override;
 
 protected:
 	void resizeEvent(QResizeEvent *e) override;

Telegram/SourceFiles/history/view/history_view_replies_section.cpp

@@ -1927,6 +1927,10 @@ not_null<Ui::ChatTheme*> RepliesWidget::listChatTheme() {
 	return _theme.get();
 }
 
+CopyRestrictionType RepliesWidget::listCopyRestrictionType() {
+	return CopyRestrictionTypeFor(_history->peer);
+}
+
 void RepliesWidget::confirmDeleteSelected() {
 	ConfirmDeleteSelectedItems(_inner);
 }

Telegram/SourceFiles/history/view/history_view_replies_section.h

@@ -138,6 +138,7 @@ public:
 		const FullMsgId &context) override;
 	void listHandleViaClick(not_null<UserData*> bot) override;
 	not_null<Ui::ChatTheme*> listChatTheme() override;
+	CopyRestrictionType listCopyRestrictionType() override;
 
 protected:
 	void resizeEvent(QResizeEvent *e) override;

Telegram/SourceFiles/history/view/history_view_scheduled_section.cpp

@@ -1231,6 +1231,10 @@ not_null<Ui::ChatTheme*> ScheduledWidget::listChatTheme() {
 	return _theme.get();
 }
 
+CopyRestrictionType ScheduledWidget::listCopyRestrictionType() {
+	return CopyRestrictionType::None;
+}
+
 void ScheduledWidget::confirmSendNowSelected() {
 	ConfirmSendNowSelectedItems(_inner);
 }

Telegram/SourceFiles/history/view/history_view_scheduled_section.h

@@ -119,6 +119,7 @@ public:
 		const FullMsgId &context) override;
 	void listHandleViaClick(not_null<UserData*> bot) override;
 	not_null<Ui::ChatTheme*> listChatTheme() override;
+	CopyRestrictionType listCopyRestrictionType() override;
 
 protected:
 	void resizeEvent(QResizeEvent *e) override;

Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp

@@ -24,6 +24,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/text/text_utilities.h"
 #include "ui/platform/ui_platform_utility.h"
 #include "ui/toast/toast.h"
+#include "ui/toasts/common_toasts.h"
 #include "ui/text/format_values.h"
 #include "ui/item_text_options.h"
 #include "ui/ui_utility.h"
@@ -554,6 +555,23 @@ QSize OverlayWidget::flipSizeByRotation(QSize size) const {
 	return FlipSizeByRotation(size, _rotation);
 }
 
+bool OverlayWidget::hasCopyRestriction() const {
+	return _history && !_history->peer->allowsForwarding();
+}
+
+bool OverlayWidget::showCopyRestriction() {
+	if (!hasCopyRestriction()) {
+		return false;
+	}
+	Ui::ShowMultilineToast({
+		.parentOverride = _widget,
+		.text = { _history->peer->isBroadcast()
+			? tr::lng_error_nocopy_channel(tr::now)
+			: tr::lng_error_nocopy_group(tr::now) },
+	});
+	return true;
+}
+
 bool OverlayWidget::videoShown() const {
 	return _streamed && !_streamed->instance.info().video.cover.isNull();
 }
@@ -891,8 +909,10 @@ void OverlayWidget::fillContextMenuActions(const MenuCallback &addAction) {
 			: tr::lng_context_show_in_folder(tr::now);
 		addAction(text, [=] { showInFolder(); });
 	}
-	if ((_document && documentContentShown()) || (_photo && _photoMedia->loaded())) {
+	if (!hasCopyRestriction()) {
-		addAction(tr::lng_mediaview_copy(tr::now), [=] { copyMedia(); });
+		if ((_document && documentContentShown()) || (_photo && _photoMedia->loaded())) {
+			addAction(tr::lng_mediaview_copy(tr::now), [=] { copyMedia(); });
+		}
 	}
 	if ((_photo && _photo->hasAttachedStickers())
 		|| (_document && _document->hasAttachedStickers())) {
@@ -1756,6 +1776,9 @@ void OverlayWidget::showMediaOverview() {
 }
 
 void OverlayWidget::copyMedia() {
+	if (showCopyRestriction()) {
+		return;
+	}
 	_dropdown->hideAnimated(Ui::DropdownMenu::HideOption::IgnoreShow);
 	if (_document) {
 		QGuiApplication::clipboard()->setImage(transformedShownContent());

Telegram/SourceFiles/media/view/media_view_overlay_widget.h

@@ -386,6 +386,9 @@ private:
 	void validatePhotoImage(Image *image, bool blurred);
 	void validatePhotoCurrentImage();
 
+	[[nodiscard]] bool hasCopyRestriction() const;
+	[[nodiscard]] bool showCopyRestriction();
+
 	[[nodiscard]] QSize flipSizeByRotation(QSize size) const;
 
 	void applyVideoSize();