Add viewer list button to twitch channel header (#2042)

src/widgets/splits/Split.cpp

@@ -314,6 +314,15 @@ void Split::setChannel(IndirectChannel newChannel)
     this->header_->updateChannelText();
     this->header_->updateRoomModes();
 
+    if (newChannel.getType() == Channel::Type::Twitch)
+    {
+        this->header_->setViewersButtonVisible(true);
+    }
+    else
+    {
+        this->header_->setViewersButtonVisible(false);
+    }
+
     this->channelChanged.invoke();
 
     // Queue up save because: Split channel changed

src/widgets/splits/SplitHeader.cpp

@@ -228,6 +228,11 @@ void SplitHeader::initializeLayout()
                     }
                 });
         }),
+        // viewer list
+        this->viewersButton_ = makeWidget<Button>([&](auto w) {
+            QObject::connect(w, &Button::leftClicked, this,
+                             [this]() { this->split_->showViewerList(); });
+        }),
         // dropdown
         this->dropdownButton_ = makeWidget<Button>([&](auto w) {
             /// XXX: this never gets disconnected
@@ -567,6 +572,7 @@ void SplitHeader::scaleChangedEvent(float scale)
     this->setFixedHeight(w);
     this->dropdownButton_->setFixedWidth(w);
     this->moderationButton_->setFixedWidth(w);
+    this->viewersButton_->setFixedWidth(w);
     this->addButton_->setFixedWidth(w * 5 / 8);
 }
 
@@ -575,6 +581,11 @@ void SplitHeader::setAddButtonVisible(bool value)
     this->addButton_->setVisible(value);
 }
 
+void SplitHeader::setViewersButtonVisible(bool value)
+{
+    this->viewersButton_->setVisible(value);
+}
+
 void SplitHeader::updateChannelText()
 {
     auto indirectChannel = this->split_->getIndirectChannel();
@@ -780,11 +791,13 @@ void SplitHeader::themeChangedEvent()
     // --
     if (this->theme->isLightTheme())
     {
+        this->viewersButton_->setPixmap(getResources().buttons.viewersDark);
         this->dropdownButton_->setPixmap(getResources().buttons.menuDark);
         this->addButton_->setPixmap(getResources().buttons.addSplit);
     }
     else
     {
+        this->viewersButton_->setPixmap(getResources().buttons.viewersLight);
         this->dropdownButton_->setPixmap(getResources().buttons.menuLight);
         this->addButton_->setPixmap(getResources().buttons.addSplitDark);
     }

src/widgets/splits/SplitHeader.hpp

@@ -25,6 +25,7 @@ public:
     explicit SplitHeader(Split *_chatWidget);
 
     void setAddButtonVisible(bool value);
+    void setViewersButtonVisible(bool value);
 
     void updateChannelText();
     void updateModerationModeIcon();
@@ -60,6 +61,7 @@ private:
     Label *titleLabel_{};
     EffectLabel *modeButton_{};
     Button *moderationButton_{};
+    Button *viewersButton_{};
     Button *addButton_{};
 
     // states