micromenu/inc/gfx/layout.h

//
// Created by jedi on 11/5/18.
//

#ifndef MGL_DMXMENU_LAYOUT_H
#define MGL_DMXMENU_LAYOUT_H

#include "gfx/canvas.h"
#include "gfx/screen.h"

class layout {
    class Slot {
    private:
        int pos_ = 0;
        int size_ = 0;
        canvas *canvas_ = nullptr;
    public:
        node *content = nullptr;
        friend layout;
    };

private:
    const int maxwidth_;
    const int maxheight_;
    int allocated_;
    screen& screen_;

    int allocate_(node *, int);

    int expand_(int);

    int pack_(int);


public:
    static const int maxslots = 10;
    Slot slots[maxslots];
    node *cursor;

    layout(screen& s) : maxwidth_(s.getWidth()), maxheight_(s.getHeight()), screen_(s) {

    }

    int apply(node *);

    void render();
};



#endif //MGL_DMXMENU_LAYOUT_H