Added ability to copy filename of named documents.

Telegram/Resources/langs/lang.strings

@@ -2752,6 +2752,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_context_copy_email" = "Copy Email Address";
 "lng_context_copy_hashtag" = "Copy Hashtag";
 "lng_context_copy_mention" = "Copy Username";
+"lng_context_copy_filename" = "Copy Filename";
 "lng_context_save_image" = "Save Image As...";
 "lng_context_copy_image" = "Copy Image";
 "lng_context_cancel_download" = "Cancel Download";

Telegram/SourceFiles/history/admin_log/history_admin_log_inner.cpp

@@ -15,6 +15,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "history/history_item_text.h"
 #include "history/admin_log/history_admin_log_section.h"
 #include "history/admin_log/history_admin_log_filter.h"
+#include "history/view/history_view_context_menu.h"
 #include "history/view/history_view_message.h"
 #include "history/view/history_view_service_message.h"
 #include "history/view/history_view_cursor_state.h"
@@ -1251,6 +1252,12 @@ void InnerWidget::showContextMenu(QContextMenuEvent *e, bool showFromTouch) {
 				_menu->addAction(lnkIsVideo ? tr::lng_context_save_video(tr::now) : (lnkIsVoice ? tr::lng_context_save_audio(tr::now) : (lnkIsAudio ?  tr::lng_context_save_audio_file(tr::now) :  tr::lng_context_save_file(tr::now))), base::fn_delayed(st::defaultDropdownMenu.menu.ripple.hideDuration, this, [this, lnkDocument] {
 					saveDocumentToFile(lnkDocument);
 				}), &st::menuIconDownload);
+
+				HistoryView::AddCopyFilename(
+					_menu,
+					lnkDocument,
+					[] { return false; });
+
 				if (lnkDocument->hasAttachedStickers()) {
 					const auto controller = _controller;
 					auto callback = [=] {

Telegram/SourceFiles/history/history_inner_widget.cpp

@@ -2223,6 +2223,11 @@ void HistoryInner::showContextMenu(QContextMenuEvent *e, bool showFromTouch) {
 			_menu->addAction(lnkIsVideo ? tr::lng_context_save_video(tr::now) : (lnkIsVoice ? tr::lng_context_save_audio(tr::now) : (lnkIsAudio ? tr::lng_context_save_audio_file(tr::now) : tr::lng_context_save_file(tr::now))), base::fn_delayed(st::defaultDropdownMenu.menu.ripple.hideDuration, this, [=] {
 				saveDocumentToFile(itemId, document);
 			}), &st::menuIconDownload);
+
+			HistoryView::AddCopyFilename(
+				_menu,
+				document,
+				[=] { return showCopyRestrictionForSelected(); });
 		}
 		if (document->hasAttachedStickers()) {
 			_menu->addAction(tr::lng_context_attached_stickers(tr::now), [=] {

Telegram/SourceFiles/history/view/history_view_context_menu.cpp

@@ -34,6 +34,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/menu/menu_multiline_action.h"
 #include "ui/image/image.h"
 #include "ui/toast/toast.h"
+#include "ui/text/format_song_document_name.h"
 #include "ui/text/text_utilities.h"
 #include "ui/controls/delete_message_context_action.h"
 #include "ui/controls/who_reacted_context_action.h"
@@ -326,6 +327,10 @@ void AddDocumentActions(
 		AddSaveSoundForNotifications(menu, item, document, controller);
 	}
 	AddSaveDocumentAction(menu, item, document, list);
+	AddCopyFilename(
+		menu,
+		document,
+		[=] { return list->showCopyRestrictionForSelected(); });
 }
 
 void AddPostLinkAction(
@@ -1555,6 +1560,33 @@ void ShowTagInListMenu(
 	(*menu)->popup(position);
 }
 
+void AddCopyFilename(
+		not_null<Ui::PopupMenu*> menu,
+		not_null<DocumentData*> document,
+		Fn<bool()> showCopyRestrictionForSelected) {
+	const auto filenameToCopy = [&] {
+		if (document->isAudioFile()) {
+			return TextForMimeData().append(
+				Ui::Text::FormatSongNameFor(document).string());
+		} else if (document->sticker()
+			|| document->isAnimation()
+			|| document->isVideoMessage()
+			|| document->isVideoFile()
+			|| document->isVoiceMessage()) {
+			return TextForMimeData();
+		} else {
+			return TextForMimeData().append(document->filename());
+		}
+	}();
+	if (!filenameToCopy.empty()) {
+		menu->addAction(tr::lng_context_copy_filename(tr::now), [=] {
+			if (!showCopyRestrictionForSelected()) {
+				TextUtilities::SetClipboardText(filenameToCopy);
+			}
+		}, &st::menuIconCopy);
+	}
+}
+
 void ShowWhoReactedMenu(
 		not_null<base::unique_qptr<Ui::PopupMenu>*> menu,
 		QPoint position,

Telegram/SourceFiles/history/view/history_view_context_menu.h

@@ -94,6 +94,10 @@ void ShowTagInListMenu(
 	not_null<QWidget*> context,
 	const Data::ReactionId &id,
 	not_null<Window::SessionController*> controller);
+void AddCopyFilename(
+	not_null<Ui::PopupMenu*> menu,
+	not_null<DocumentData*> document,
+	Fn<bool()> showCopyRestrictionForSelected);
 
 enum class EmojiPacksSource {
 	Message,