sync gif emotes of same length

src/singletons/helper/GifTimer.cpp

@@ -22,6 +22,7 @@ void GIFTimer::initialize()
             qApp->activeWindow() == nullptr)
             return;
 
+        this->position_ += gifFrameLength;
         this->signal.invoke();
         getApp()->windows->repaintGifEmotes();
     });

src/singletons/helper/GifTimer.hpp

@@ -5,15 +5,22 @@
 
 namespace chatterino {
 
+constexpr long unsigned gifFrameLength = 33;
+
 class GIFTimer
 {
 public:
     void initialize();
 
     pajlada::Signals::NoArgSignal signal;
+    long unsigned position()
+    {
+        return this->position_;
+    }
 
 private:
     QTimer timer;
+    long unsigned position_{};
 };
 
 }  // namespace chatterino