From 9db2502cd09f81d3b6f100bc9c1b0246a3fb0378 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Thu, 16 Jan 2025 10:01:59 +0400
Subject: [PATCH] Preserve formatting when editing links.

Fixes #28170.
---
 .../chat_helpers/message_field.cpp            | 23 ++++++++++---------
 .../SourceFiles/chat_helpers/message_field.h  |  2 +-
 Telegram/lib_ui                               |  2 +-
 3 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/Telegram/SourceFiles/chat_helpers/message_field.cpp b/Telegram/SourceFiles/chat_helpers/message_field.cpp
index 9cc3a925a..0177e3bfe 100644
--- a/Telegram/SourceFiles/chat_helpers/message_field.cpp
+++ b/Telegram/SourceFiles/chat_helpers/message_field.cpp
@@ -123,9 +123,9 @@ constexpr auto kLinkProtocols = {
 void EditLinkBox(
 		not_null<Ui::GenericBox*> box,
 		std::shared_ptr<Main::SessionShow> show,
-		const QString &startText,
+		const TextWithTags &startText,
 		const QString &startLink,
-		Fn<void(QString, QString)> callback,
+		Fn<void(TextWithTags, QString)> callback,
 		const style::InputField *fieldStyle,
 		Fn<QString(QString)> validate) {
 	Expects(callback != nullptr);
@@ -137,6 +137,7 @@ void EditLinkBox(
 		object_ptr<Ui::InputField>(
 			content,
 			fieldSt,
+			Ui::InputField::Mode::SingleLine,
 			tr::lng_formatting_link_text(),
 			startText),
 		st::markdownLinkFieldPadding);
@@ -181,9 +182,9 @@ void EditLinkBox(
 	url->move(placeholder->pos());
 
 	const auto submit = [=] {
-		const auto linkText = text->getLastText();
+		const auto linkText = text->getTextWithTags();
 		const auto linkUrl = validate(url->getLastText());
-		if (linkText.isEmpty()) {
+		if (linkText.text.isEmpty()) {
 			text->showError();
 			return;
 		} else if (linkUrl.isEmpty()) {
@@ -222,7 +223,7 @@ void EditLinkBox(
 	box->setWidth(st::boxWidth);
 
 	box->setFocusCallback([=] {
-		if (startText.isEmpty()) {
+		if (startText.text.isEmpty()) {
 			text->setFocusFast();
 		} else {
 			if (!url->empty()) {
@@ -383,7 +384,7 @@ bool EditTextChanged(
 
 Fn<bool(
 	Ui::InputField::EditLinkSelection selection,
-	QString text,
+	TextWithTags text,
 	QString link,
 	EditLinkAction action)> DefaultEditLinkCallback(
 		std::shared_ptr<Main::SessionShow> show,
@@ -392,14 +393,14 @@ Fn<bool(
 	const auto weak = Ui::MakeWeak(field);
 	return [=](
 			EditLinkSelection selection,
-			QString text,
+			TextWithTags text,
 			QString link,
 			EditLinkAction action) {
 		if (action == EditLinkAction::Check) {
 			return Ui::InputField::IsValidMarkdownLink(link)
 				&& !TextUtilities::IsMentionLink(link);
 		}
-		auto callback = [=](const QString &text, const QString &link) {
+		auto callback = [=](const TextWithTags &text, const QString &link) {
 			if (const auto strong = weak.data()) {
 				strong->commitMarkdownLinkEdit(selection, text, link);
 			}
@@ -470,7 +471,7 @@ void InitMessageFieldHandlers(MessageFieldHandlersArgs &&args) {
 
 [[nodiscard]] Fn<bool(
 	Ui::InputField::EditLinkSelection selection,
-	QString text,
+	TextWithTags text,
 	QString link,
 	EditLinkAction action)> FactcheckEditLinkCallback(
 		std::shared_ptr<Main::SessionShow> show,
@@ -478,7 +479,7 @@ void InitMessageFieldHandlers(MessageFieldHandlersArgs &&args) {
 	const auto weak = Ui::MakeWeak(field);
 	return [=](
 			EditLinkSelection selection,
-			QString text,
+			TextWithTags text,
 			QString link,
 			EditLinkAction action) {
 		const auto validate = [=](QString url) {
@@ -493,7 +494,7 @@ void InitMessageFieldHandlers(MessageFieldHandlersArgs &&args) {
 		if (action == EditLinkAction::Check) {
 			return IsGoodFactcheckUrl(link);
 		}
-		auto callback = [=](const QString &text, const QString &link) {
+		auto callback = [=](const TextWithTags &text, const QString &link) {
 			if (const auto strong = weak.data()) {
 				strong->commitMarkdownLinkEdit(selection, text, link);
 			}
diff --git a/Telegram/SourceFiles/chat_helpers/message_field.h b/Telegram/SourceFiles/chat_helpers/message_field.h
index 0557a8951..15e5f04b6 100644
--- a/Telegram/SourceFiles/chat_helpers/message_field.h
+++ b/Telegram/SourceFiles/chat_helpers/message_field.h
@@ -46,7 +46,7 @@ class Show;
 
 Fn<bool(
 	Ui::InputField::EditLinkSelection selection,
-	QString text,
+	TextWithTags text,
 	QString link,
 	Ui::InputField::EditLinkAction action)> DefaultEditLinkCallback(
 		std::shared_ptr<Main::SessionShow> show,
diff --git a/Telegram/lib_ui b/Telegram/lib_ui
index e052a8bff..5fbb38cf8 160000
--- a/Telegram/lib_ui
+++ b/Telegram/lib_ui
@@ -1 +1 @@
-Subproject commit e052a8bff00c24d19c12e61b0adeb5fdf18770f0
+Subproject commit 5fbb38cf872f2132b1ad0a564083c498e6cc6f14