UIWidgetGroup.h

// SPDX-License-Identifier: BSD-2-Clause
// (C) 2022 Dirk Hillbrecht
 
#pragma once
 
#include "Arduino.h"
#include <U8g2lib.h>
 
#include "UIArea.h"
#include "UIWidget.h"
#include "UIParent.h"
 
class UIWidgetGroup: public UIWidget, public UIParent {
 
  public:
 
    UIWidgetGroup(UIWidget* firstChild,UIWidget* next=nullptr);
 
    UIArea* render(U8G2* display,bool force);
 
    virtual void childNeedsRendering(UIWidget *child);
 
  protected:
 
    UIWidget* firstChild;
 
    bool renderChildren;
    // Note: This is protected as UICards handles this on its own.
    // With a better abstraction, this could be made private.
 
  private:
 
    UIArea rendered;
 
};
 
// end of file