From c95f4d82769b9eb5836f0ffbf9f87e054c393cec Mon Sep 17 00:00:00 2001
From: Nicolas Werner <nicolas.werner@hotmail.de>
Date: Tue, 21 Jan 2020 20:41:09 +0100
Subject: Fix colors in typing display, when username contains emoji

---
 src/timeline/TimelineModel.cpp | 31 ++++++++++++++++++++++++++++---
 1 file changed, 28 insertions(+), 3 deletions(-)

(limited to 'src/timeline/TimelineModel.cpp')

diff --git a/src/timeline/TimelineModel.cpp b/src/timeline/TimelineModel.cpp
index 54e054ec..65a6e470 100644
--- a/src/timeline/TimelineModel.cpp
+++ b/src/timeline/TimelineModel.cpp
@@ -1406,9 +1406,34 @@ TimelineModel::formatTypingUsers(const std::vector<QString> &users, QColor bg)
         QStringList uidWithoutLast;
 
         auto formatUser = [this, bg](const QString &user_id) -> QString {
-                return QString("<font color=\"%1\">%2</font>")
-                  .arg(userColor(user_id, bg).name())
-                  .arg(escapeEmoji(displayName(user_id).toHtmlEscaped()));
+                auto uncoloredUsername = escapeEmoji(displayName(user_id).toHtmlEscaped());
+                QString prefix = QString("<font color=\"%1\">").arg(userColor(user_id, bg).name());
+
+                // color only parts that don't have a font already specified
+                QString coloredUsername;
+                int index = 0;
+                do {
+                        auto startIndex = uncoloredUsername.indexOf("<font", index);
+
+                        if (startIndex - index != 0)
+                                coloredUsername +=
+                                  prefix +
+                                  uncoloredUsername.midRef(
+                                    index, startIndex > 0 ? startIndex - index : -1) +
+                                  "</font>";
+
+                        auto endIndex = uncoloredUsername.indexOf("</font>", startIndex);
+                        if (endIndex > 0)
+                                endIndex += sizeof("</font>") - 1;
+
+                        if (endIndex - startIndex != 0)
+                                coloredUsername +=
+                                  uncoloredUsername.midRef(startIndex, endIndex - startIndex);
+
+                        index = endIndex;
+                } while (index > 0 && index < uncoloredUsername.size());
+
+                return coloredUsername;
         };
 
         for (size_t i = 0; i + 1 < users.size(); i++) {
-- 
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