add quick access panel

src/node_panel_quick.h

@@ -0,0 +1,22 @@
+#pragma once
+#include "node.h"
+#include "node_button_custom.h"
+#include "node_border.h"
+
+class NodePanelQuick : public NodeBorder
+{
+public:
+    using this_class = NodePanelQuick;
+    using parent = NodeBorder;
+    NodeButtonCustom* m_slider_size;
+    NodeButtonCustom* m_slider_flow;
+    NodeButtonCustom* m_button_color1;
+    NodeButtonCustom* m_button_color2;
+    NodeButtonCustom* m_button_color3;
+    virtual Node* clone_instantiate() const override;
+    virtual void clone_finalize(Node* dest) const override;
+    virtual void init() override;
+private:
+    void init_controls();
+};
+