ImGuiOpenFile.hh

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#ifndef IMGUI_OPEN_FILE_HH
#define IMGUI_OPEN_FILE_HH
 
#include "ImGuiPart.hh"
 
#include <functional>
#include <map>
#include <string>
 
namespace openmsx {
 
class ImGuiOpenFile final : public ImGuiPart
{
public:
        enum class Painter {
                MANAGER,
                DISKMANIPULATOR,
        };
 
        using ImGuiPart::ImGuiPart;
 
        void selectFile(const std::string& title, std::string filters,
                        const std::function<void(const std::string&)>& callback,
                        zstring_view lastLocationHint = {},
                        Painter painter = Painter::MANAGER);
        void selectNewFile(const std::string& title, std::string filters,
                           const std::function<void(const std::string&)>& callback,
                           zstring_view lastLocationHint = {},
                           Painter painter = Painter::MANAGER);
        void selectDirectory(const std::string& title,
                             const std::function<void(const std::string&)>& callback,
                             zstring_view lastLocationHint = {},
                             Painter painter = Painter::MANAGER);
 
        // should be called from within a callback of the methods above
        static std::string getLastFilter();
 
        [[nodiscard]] zstring_view iniName() const override { return "open file dialog"; }
        void save(ImGuiTextBuffer& buf) override;
        void loadLine(std::string_view name, zstring_view value) override;
 
        [[nodiscard]] bool mustPaint(Painter p) const { return p == activePainter; }
        void doPaint();
 
private:
        void common(const std::string& title, const char* filters,
                    const std::function<void(const std::string&)>& callback,
                    zstring_view lastLocationHint,
                    Painter painter,
                    int extraFlags);
        void setBookmarks();
        [[nodiscard]] std::string getStartPath(zstring_view lastLocationHint);
 
private:
        std::map<std::string, std::string, std::less<>> lastPath;
        std::string lastTitle;
        std::function<void(const std::string&)> openFileCallback;
        Painter activePainter = Painter::MANAGER;
        bool chooseDirectory = false;
};
 
} // namespace openmsx
 
#endif