bwidgets/inc/basic_widgets/w/base/layout.hpp

#ifndef BWIDGETS_LAYOUT_HPP
#define BWIDGETS_LAYOUT_HPP

#include <basic_widgets/core/type/size.hpp>
#include <basic_widgets/w/base/widget.hpp>

namespace bwidgets
{
    class Layout : public virtual Widget
    {
    public:
        // Add widget to the layout
        virtual void add_widget(std::shared_ptr<Widget>)                          = 0;
        virtual void do_layout()                                                  = 0;
        // Apply a function to every layout widget.
        virtual void for_widgets(const std::function<void(Widget*)>&)             = 0;
        virtual void for_widgets(const std::function<void(const Widget*)>&) const = 0;
        virtual void remove_widget(const std::shared_ptr<Widget>&) = 0;
        virtual void remove_widget(const Widget*) = 0;
    };
}

#endif