fix: middle-clicking username in local channels (#6577)

Reviewed-by: pajlada <rasmus.karlsson@pajlada.com>

CHANGELOG.md

@@ -19,6 +19,7 @@
 - Bugfix: Fixed Lua errors from handlers of HTTP requests not being logged. (#6452)
 - Bugfix: Fixed restore button not showing on Windows. (#6565)
 - Bugfix: Fixed popups and the overlay not being draggable on Wayland. (#6573)
+- Bugfix: Fixed middle-clicking usernames in a local channel opening an invalid viewercard. (#6577)
 - Dev: Update release documentation. (#6498)
 - Dev: Make code sanitizers opt in with the `CHATTERINO_SANITIZER_SUPPORT` CMake option. After that's enabled, use the `SANITIZE_*` flag to enable individual sanitizers. (#6493)
 - Dev: Remove unused QTextCodec includes. (#6487)

src/widgets/helper/ChannelView.cpp

@@ -2359,8 +2359,26 @@ void ChannelView::mouseReleaseEvent(QMouseEvent *event)
             if (hoverLayoutElement->getFlags().has(
                     MessageElementFlag::Username))
             {
-                openTwitchUsercard(this->channel_->getName(),
-                                   hoverLayoutElement->getLink().value);
+                const auto userName = hoverLayoutElement->getLink().value;
+                const auto type = this->hasSourceChannel()
+                                      ? this->sourceChannel_->getType()
+                                      : this->channel_->getType();
+                switch (type)
+                {
+                    case Channel::Type::TwitchWhispers:
+                    case Channel::Type::TwitchLive:
+                        QDesktopServices::openUrl(
+                            QUrl(u"https://www.twitch.tv/" % userName));
+                        break;
+                    case Channel::Type::TwitchMentions:
+                        openTwitchUsercard(layout->getMessage()->channelName,
+                                           userName);
+                        break;
+                    default:
+                        openTwitchUsercard(this->channel_->getName(), userName);
+                        break;
+                }
+
                 return;
             }
             if (hoverLayoutElement->getLink().isUrl() == false)