Fixed closing of popups

src/popupdisplay.cpp

@@ -19,17 +19,11 @@ void PopupDisplay::initScreen(TftInterface &tft)
     initOverlay(tft);
 }
 
-void PopupDisplay::redraw(TftInterface &tft)
-{
-    if (m_wantsClose)
-        closeOverlay(tft);
-    else
-        Base::redraw(tft);
-}
-
 void PopupDisplay::closeOverlay()
 {
-    m_wantsClose = true;
+    espgui::changeScreenCallback = [this](espgui::TftInterface &tft){
+        closeOverlay(tft);
+    };
 }
 
 void PopupDisplay::closeOverlay(TftInterface &tft)

src/popupdisplay.h

@@ -17,16 +17,12 @@ public:
 
     void initScreen(TftInterface &tft) override;
 
-    void redraw(TftInterface &tft) override;
-
     virtual void initOverlay(TftInterface &tft) = 0;
     void closeOverlay();
     void closeOverlay(TftInterface &tft);
 
 private:
     std::unique_ptr<Display> m_lastDisplay;
-
-    bool m_wantsClose{};
 };
 
 } // namespace espgui