fixes #4908 completely

1 files changed, 7 insertions, 4 deletions

diff --git a/protocols/Telegram/src/utils.cpp b/protocols/Telegram/src/utils.cpp
index c266b9dd55..3c3b68ebb1 100644
--- a/protocols/Telegram/src/utils.cpp
+++ b/protocols/Telegram/src/utils.cpp
@@ -116,15 +116,18 @@ CMStringA CTelegramProto::GetFormattedText(TD::object_ptr<TD::formattedText> &pT
 		int off1 = 0, off2 = 0;

 		for (auto &h : history) {

 			if (it->offset_ >= h.start)

-				off1 += h.bbcode.len1, off2 += h.bbcode.len1;

-

+				off1 += h.bbcode.len1;

+			if (it->offset_ + it->length_ > h.start)

+				off2 += h.bbcode.len1;

+			if (it->offset_ >= h.start + h.length)

+				off1 += h.bbcode.len2;

 			if (it->offset_ + it->length_ > h.start + h.length)

 				off2 += h.bbcode.len2;

 		}

 

 		auto &bb = bbCodes[iCode];

-		ret.Insert(off1 + it->offset_ + it->length_, bb.end);

-		ret.Insert(off2 + it->offset_, bb.begin);

+		ret.Insert(off2 + it->offset_ + it->length_, bb.end);

+		ret.Insert(off1 + it->offset_, bb.begin);

 		history.push_back(HistItem(it->offset_, it->length_, bb));

 	}

 	return T2Utf(ret).get();