Component.h

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#pragma once
 
#include "ui/UIHost.h"
#include "ui/Widget.h"
 
#include <memory>
#include <string>
 
namespace eve::ui {
 
class Component {
public:
    virtual ~Component() = default;
 
    virtual WidgetDesc build() = 0;
 
    void attach(UIHost *host);
    void mountAs(const std::string &hostName);
    UIHost *host() const { return host_; }
 
    void rebuild(bool forceFull = false);
 
    void markDirty() { dirty_ = true; }
    bool isDirty() const { return dirty_; }
 
    bool updateIfDirty();
 
protected:
    void setState() { dirty_ = true; }
 
private:
    UIHost *host_ = nullptr;
    bool dirty_ = true;
};
 
}  // namespace eve::ui