spk_dynamic_text_label.hpp

#pragma once
 
#include "structure/system/time/spk_timer.hpp"
#include "structure/widget/spk_text_label.hpp"
 
#include <functional>
#include <string>
 
namespace spk
{
    class DynamicTextLabel : public spk::TextLabel
    {
    public:
        using TextProducer = std::function<std::wstring()>;
        static inline const spk::Duration DefaultDuration = 1000_ms;
 
    private:
        TextProducer _textProducer;
        spk::Timer _refreshTimer;
        bool _needsImmediateRefresh = true;
 
        void _refreshText();
        void _restartTimer();
 
    protected:
        void _onUpdateEvent(spk::UpdateEvent &p_event) override;
 
    public:
        DynamicTextLabel(
            const std::wstring &p_name,
            spk::Widget *p_parent);

        void setTextProducer(const TextProducer &p_textProducer);
        void setRefreshDuration(const spk::Duration &p_refreshDuration);

        void refresh();
    };
}