From 774da18a386e9f0eda71331db22bc8e9b24bf44e Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Sat, 25 Dec 2021 17:31:10 +0300
Subject: [PATCH] Added utility to correctly cut text with commands.

---
 ui/text/text_entity.cpp | 14 ++++++++++++++
 ui/text/text_entity.h   |  5 +++++
 2 files changed, 19 insertions(+)

diff --git a/ui/text/text_entity.cpp b/ui/text/text_entity.cpp
index 69585fe..7c047c8 100644
--- a/ui/text/text_entity.cpp
+++ b/ui/text/text_entity.cpp
@@ -2348,6 +2348,20 @@ QString TextWithSpoilerCommands(const TextWithEntities &textWithEntities) {
 	return text;
 }
 
+QString CutTextWithCommands(
+		QString text,
+		int length,
+		const QString &start,
+		const QString &stop) {
+	text = text.mid(0, length);
+	const auto lastStart = text.lastIndexOf(start);
+	const auto lastStop = text.lastIndexOf(stop);
+	const auto additional = ((lastStart == -1) || (lastStart < lastStop))
+		? QString()
+		: stop;
+	return text + additional + qstr("...");
+}
+
 } // namespace TextUtilities
 
 EntityInText::EntityInText(
diff --git a/ui/text/text_entity.h b/ui/text/text_entity.h
index 0cf60e2..823932d 100644
--- a/ui/text/text_entity.h
+++ b/ui/text/text_entity.h
@@ -383,5 +383,10 @@ void SetClipboardText(
 
 [[nodiscard]] QString TextWithSpoilerCommands(
 	const TextWithEntities &textWithEntities);
+[[nodiscard]] QString CutTextWithCommands(
+	QString text,
+	int length,
+	const QString &start,
+	const QString &stop);
 
 } // namespace TextUtilities