Renderer now knows how to render panels as grid/text based on how the panel is configured.

panel.hpp

@@ -21,6 +21,7 @@ struct Panel {
   int height;
   bool has_border = false;
   bool must_clear = true;
+  bool grid = false;
   sf::Color default_bg = sf::Color(0,0,0);
   sf::Color border_color = sf::Color::Red;
   int border_px = UI_PANEL_BORDER_PX;
@@ -31,14 +32,15 @@ struct Panel {
   std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> $converter;
   std::wstring $screenout;
 
-  Panel(int width, int height, int x, int y, bool must_clear=true) :
+  Panel(int width, int height, int x, int y, bool is_grid=false) :
     x(x),
     y(y),
     width(width),
     height(height),
-    must_clear(must_clear),
+    grid(is_grid),
     $screen(Screen(width, height))
   {
+    must_clear = !is_grid;
   };
 
   void resize(int width, int height);