Add support for Emoji in IRC. (#3354)

CHANGELOG.md

@@ -32,6 +32,7 @@
 - Minor: IRC now parses/displays links like Twitch chat. (#3334)
 - Minor: Added button & label for copying login name of user instead of display name in the user info popout. (#3335)
 - Minor: Make `/delete` errors a bit more verbose (#3350)
+- Minor: Add support for Emoji in IRC (#3354)
 - Bugfix: Fixed colored usernames sometimes not working. (#3170)
 - Bugfix: Restored ability to send duplicate `/me` messages. (#3166)
 - Bugfix: Notifications for moderators about other moderators deleting messages can now be disabled. (#3121)

src/providers/irc/IrcMessageBuilder.cpp

@@ -109,8 +109,7 @@ void IrcMessageBuilder::addWords(const QStringList &words)
 
         if (!i.hasNext())
         {
-            this->emplace<TextElement>(string, MessageElementFlag::Text,
-                                       textColor);
+            this->addText(string, textColor);
             continue;
         }
 
@@ -132,10 +131,9 @@ void IrcMessageBuilder::addWords(const QStringList &words)
                 {
                     textColor = defaultColor;
                 }
-                this->emplace<TextElement>(
+                this->addText(
                     string.mid(lastPos, match.capturedStart() - lastPos),
-                        MessageElementFlag::Text, textColor)
-                    ->setTrailingSpace(false);
+                    textColor, false);
                 lastPos = match.capturedStart() + match.capturedLength();
             }
             if (!match.captured(1).isEmpty())
@@ -173,13 +171,30 @@ void IrcMessageBuilder::addWords(const QStringList &words)
         {
             textColor = defaultColor;
         }
-        this->emplace<TextElement>(string.mid(lastPos),
-                                   MessageElementFlag::Text, textColor);
+        this->addText(string.mid(lastPos), textColor);
     }
 
     this->message().elements.back()->setTrailingSpace(false);
 }
 
+void IrcMessageBuilder::addText(const QString &text, const QColor &color,
+                                bool addSpace)
+{
+    this->textColor_ = color;
+    for (auto &variant : getApp()->emotes->emojis.parse(text))
+    {
+        boost::apply_visitor(
+            [&](auto &&arg) {
+                this->addTextOrEmoji(arg);
+            },
+            variant);
+        if (!addSpace)
+        {
+            this->message().elements.back()->setTrailingSpace(false);
+        }
+    }
+}
+
 void IrcMessageBuilder::appendUsername()
 {
     QString username = this->userName;

src/providers/irc/IrcMessageBuilder.hpp

@@ -36,6 +36,8 @@ private:
     void appendUsername();
 
     void addWords(const QStringList &words);
+    void addText(const QString &text, const QColor &color,
+                 bool addSpace = true);
 };
 
 }  // namespace chatterino