From 155153a7630788cc3bdad6a5d48a0d18456f1c26 Mon Sep 17 00:00:00 2001
From: Petr Mironychev <9195189+Palm1r@users.noreply.github.com>
Date: Wed, 30 Apr 2025 21:23:43 +0200
Subject: [PATCH] fix: Optimize searching unreadable symbols for markdown

---
 ChatView/ChatUtils.cpp | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/ChatView/ChatUtils.cpp b/ChatView/ChatUtils.cpp
index d6d0409..0624f5c 100644
--- a/ChatView/ChatUtils.cpp
+++ b/ChatView/ChatUtils.cpp
@@ -31,7 +31,22 @@ void ChatUtils::copyToClipboard(const QString &text)
 
 QString ChatUtils::getSafeMarkdownText(const QString &text) const
 {
-    // TODO replace to QTextMarkdownImporter after QtC on Qt6.9.0
+    if (text.isEmpty()) {
+        return text;
+    }
+
+    bool needsSanitization = false;
+    for (const QChar &ch : text) {
+        if (ch.isNull() || (!ch.isPrint() && ch != '\n' && ch != '\t' && ch != '\r' && ch != ' ')) {
+            needsSanitization = true;
+            break;
+        }
+    }
+
+    if (!needsSanitization) {
+        return text;
+    }
+
     QString safeText;
     safeText.reserve(text.size());