NFDFileBrowser.h

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* ngscopeclient                                                                                                        *
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#ifndef NFDFileBrowser_h
#define NFDFileBrowser_h
 
#include "FileBrowser.h"
#include <nfd.h>
#include <future>
 
class NFDFileBrowser : public FileBrowser
{
public:
    NFDFileBrowser(
        const std::string& initialPath,
        const std::string& title,
        const std::string& filterName,
        const std::string& filterMask,
        bool saveDialog,
        MainWindow* parent
        );
    virtual ~NFDFileBrowser();
 
    virtual void Render();
    virtual bool IsClosed();
    virtual bool IsClosedOK();
    virtual std::string GetFileName();
 
protected:
    MainWindow* m_parent;
 
    std::optional<std::string> ThreadProc();
 
    std::string m_initialPath;
    std::string m_title;
    std::string m_filterName;
    std::string m_filterMask;
    bool m_saveDialog;
 
    std::future<std::optional<std::string> > m_future;
 
    std::optional<std::string> GetCachedResult();
 
    bool m_cachedResultValid;
    std::optional<std::string> m_cachedResult;
};
 
#endif