Setting for disabling /mentions tab highlight (#1994)

Co-authored-by: pajlada <rasmus.karlsson@pajlada.com>

src/widgets/helper/ChannelView.cpp

@@ -805,7 +805,10 @@ void ChannelView::messageAppended(MessagePtr &message,
     {
         if (messageFlags->has(MessageFlag::Highlighted) &&
             messageFlags->has(MessageFlag::ShowInMentions) &&
-            !messageFlags->has(MessageFlag::Subscription))
+            !messageFlags->has(MessageFlag::Subscription) &&
+            (getSettings()->highlightMentions ||
+             this->channel_->getType() != Channel::Type::TwitchMentions))
+
         {
             this->tabHighlightRequested.invoke(HighlightState::Highlighted);
         }

src/widgets/settingspages/GeneralPage.cpp

@@ -625,6 +625,8 @@ void GeneralPage::initLayout(GeneralPageView &layout)
     layout.addCheckbox("Combine multiple bit tips into one", s.stackBits);
     layout.addCheckbox("Ask for confirmation when uploading an image",
                        s.askOnImageUpload);
+    layout.addCheckbox("Messages in /mentions highlights tab",
+                       s.highlightMentions);
 
     layout.addStretch();
 

src/widgets/splits/SplitHeader.cpp

@@ -425,6 +425,23 @@ std::unique_ptr<QMenu> SplitHeader::createMainMenu()
         this->split_->setModerationMode(!this->split_->getModerationMode());
     });
 
+    if (this->split_->getChannel()->getType() == Channel::Type::TwitchMentions)
+    {
+        auto action = new QAction(this);
+        action->setText("Enable /mention tab highlights");
+        action->setCheckable(true);
+
+        QObject::connect(moreMenu, &QMenu::aboutToShow, this, [action, this]() {
+            action->setChecked(getSettings()->highlightMentions);
+        });
+        action->connect(action, &QAction::triggered, this, [this]() {
+            getSettings()->highlightMentions =
+                !getSettings()->highlightMentions;
+        });
+
+        moreMenu->addAction(action);
+    }
+
     if (dynamic_cast<TwitchChannel *>(this->split_->getChannel().get()))
     {
         moreMenu->addAction("Show viewer list", this->split_,