switch shellbuffer to graphicalcontainernode

src/sparrowshell/shellbuffer.h

@@ -1,22 +1,26 @@
 #ifndef SHELLBUFFER_H
 #define SHELLBUFFER_H
 
-#include "scene/containernode.h"
+#include "scene/graphicalcontainernode.h"
 
 class TextNode;
 
-class ShellBuffer : public ContainerNode {
+class ShellBuffer : public GraphicalContainerNode {
 private:
-    int m_zero_offset = 0;
     unsigned int m_max_size;
+    int m_zero_offset;
     float m_font_size;
 public:
-    ShellBuffer(int buffer_size):m_max_size(buffer_size){}
+    ShellBuffer(int buffer_size):m_max_size(buffer_size), m_zero_offset(0),m_font_size(16.f){}
-    SceneNode* operator[](int i){return m_children[(m_zero_offset+i)%m_max_size];}
+    GraphicalNode* operator[](int i){return m_children[(m_zero_offset+i)%m_max_size];}
     void push(TextNode*);
     unsigned int size(){return m_children.size();}
     void toggleBuffer();
 
+    void update(){
+
+    }
+
     // if this font_size is scaling down, sizes which are power of 2 render better.
     void setFontSize(float font_size){m_font_size = font_size;}
     float getFontSize(){return m_font_size;}

src/sparrowshell/sparrowshell.cpp

@@ -86,6 +86,7 @@ void SparrowShell::update(){
     // position textnode inside shellBuffer
 
     if(m_shellEnabled){
+        m_buffer->update();
         for(unsigned int i = 0; i<m_buffer->size(); i++){
 //            tnode = (TextNode*)(m_buffer+i);
 //            if (i >= m_index && i < m_index + BUFFER_DISPLAYED_NUMBER){