Copy text with expanded links only to external.

Paste valid custom links in message field if copied from messages.

Telegram/SourceFiles/ui/widgets/input_fields.cpp

@@ -12,6 +12,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/emoji_config.h"
 #include "emoji_suggestions_data.h"
 #include "chat_helpers/emoji_suggestions_helper.h"
+#include "chat_helpers/message_field.h" // ConvertTextTagsToEntities
 #include "window/themes/window_theme.h"
 #include "lang/lang_keys.h"
 #include "data/data_user.h"
@@ -759,6 +760,33 @@ struct FormattingAction {
 
 };
 
+QString ExpandCustomLinks(const TextWithTags &text) {
+	const auto entities = ConvertTextTagsToEntities(text.tags);
+	auto &&urls = ranges::view::all(
+		entities
+	) | ranges::view::filter([](const EntityInText &entity) {
+		return entity.type() == EntityType::CustomUrl;
+	});
+	const auto &original = text.text;
+	if (urls.begin() == urls.end()) {
+		return original;
+	}
+	auto result = QString();
+	auto offset = 0;
+	for (const auto &entity : urls) {
+		const auto till = entity.offset() + entity.length();
+		if (till > offset) {
+			result.append(original.midRef(offset, till - offset));
+		}
+		result.append(qstr(" (")).append(entity.data()).append(')');
+		offset = till;
+	}
+	if (original.size() > offset) {
+		result.append(original.midRef(offset));
+	}
+	return result;
+}
+
 } // namespace
 
 const QString InputField::kTagBold = qsl("**");
@@ -2309,13 +2337,16 @@ QMimeData *InputField::createMimeDataFromSelectionInner() const {
 	const auto end = cursor.selectionEnd();
 	if (end > start) {
 		auto textWithTags = getTextWithTagsPart(start, end);
-		result->setText(textWithTags.text);
+		result->setText(ExpandCustomLinks(textWithTags));
 		if (!textWithTags.tags.isEmpty()) {
 			if (_tagMimeProcessor) {
 				for (auto &tag : textWithTags.tags) {
 					tag.id = _tagMimeProcessor->mimeTagFromTag(tag.id);
 				}
 			}
+			result->setData(
+				TextUtilities::TagsTextMimeType(),
+				textWithTags.text.toUtf8());
 			result->setData(
 				TextUtilities::TagsMimeType(),
 				TextUtilities::SerializeTags(textWithTags.tags));
@@ -3368,21 +3399,27 @@ void InputField::insertFromMimeDataInner(const QMimeData *source) {
 		&& _mimeDataHook(source, MimeAction::Insert)) {
 		return;
 	}
-	auto mime = TextUtilities::TagsMimeType();
-	auto text = source->text();
-	if (source->hasFormat(mime)) {
-		auto tagsData = source->data(mime);
+	const auto text = [&] {
+		const auto textMime = TextUtilities::TagsTextMimeType();
+		const auto tagsMime = TextUtilities::TagsMimeType();
+		if (!source->hasFormat(textMime) || !source->hasFormat(tagsMime)) {
+			_insertedTags.clear();
+			return source->text();
+		}
+		auto result = QString::fromUtf8(source->data(textMime));
 		_insertedTags = TextUtilities::DeserializeTags(
-			tagsData,
-			text.size());
+			source->data(tagsMime),
+			result.size());
 		_insertedTagsAreFromMime = true;
-	} else {
-		_insertedTags.clear();
-	}
+		return result;
+	}();
 	auto cursor = textCursor();
 	_realInsertPosition = cursor.selectionStart();
 	_realCharsAdded = text.size();
-	_inner->QTextEdit::insertFromMimeData(source);
+	if (_realCharsAdded > 0) {
+		cursor.insertFragment(QTextDocumentFragment::fromPlainText(text));
+	}
+	ensureCursorVisible();
 	if (!_inDrop) {
 		_insertedTags.clear();
 		_realInsertPosition = -1;

Telegram/SourceFiles/ui/widgets/labels.cpp

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/labels.h"
 
 #include "ui/widgets/popup_menu.h"
+#include "chat_helpers/message_field.h" // SetClipboardText/MimeDataFromText
 #include "mainwindow.h"
 #include "lang/lang_keys.h"
 
@@ -569,12 +570,12 @@ void FlatLabel::showContextMenu(QContextMenuEvent *e, ContextMenuReason reason)
 void FlatLabel::onCopySelectedText() {
 	const auto selection = _selection.empty() ? (_contextMenu ? _savedSelection : _selection) : _selection;
 	if (!selection.empty()) {
-		QApplication::clipboard()->setText(_text.toString(selection, ExpandLinksAll));
+		SetClipboardText(_text.toTextForMimeData(selection));
 	}
 }
 
 void FlatLabel::onCopyContextText() {
-	QApplication::clipboard()->setText(_text.toString(AllTextSelection, ExpandLinksAll));
+	SetClipboardText(_text.toTextForMimeData());
 }
 
 void FlatLabel::onTouchSelect() {
@@ -599,18 +600,18 @@ void FlatLabel::onExecuteDrag() {
 		}
 	}
 
-	ClickHandlerPtr pressedHandler = ClickHandler::getPressed();
-	QString selectedText;
-	if (uponSelected) {
-		selectedText = _text.toString(_selection, ExpandLinksAll);
-	} else if (pressedHandler) {
-		selectedText = pressedHandler->dragText();
-	}
-	if (!selectedText.isEmpty()) {
-		auto mimeData = new QMimeData();
-		mimeData->setText(selectedText);
+	const auto pressedHandler = ClickHandler::getPressed();
+	const auto selectedText = [&] {
+		if (uponSelected) {
+			return _text.toTextForMimeData(_selection);
+		} else if (pressedHandler) {
+			return TextForMimeData::Simple(pressedHandler->dragText());
+		}
+		return TextForMimeData();
+	}();
+	if (auto mimeData = MimeDataFromText(selectedText)) {
 		auto drag = new QDrag(App::wnd());
-		drag->setMimeData(mimeData);
+		drag->setMimeData(mimeData.release());
 		drag->exec(Qt::CopyAction);
 
 		// We don't receive mouseReleaseEvent when drag is finished.