FileDialog.h

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// ----------------------------------------------------------------------------
// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2023 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <functional>
 
#include "open3d/visualization/gui/Dialog.h"
 
#define GUI_USE_NATIVE_FILE_DIALOG 1
 
namespace open3d {
namespace visualization {
namespace gui {
 
struct Theme;
 
class FileDialog : public Dialog {
    using Super = Dialog;
 
public:
    enum class Mode { OPEN, SAVE, OPEN_DIR };
 
    FileDialog(Mode type, const char *title, const Theme &theme);
    virtual ~FileDialog();
 
    void SetPath(const char *path);
 
    void AddFilter(const char *filter, const char *description);
 
    void SetOnCancel(std::function<void()> on_cancel);
    void SetOnDone(std::function<void(const char *)> on_done);
 
    Size CalcPreferredSize(const LayoutContext &context,
                           const Constraints &constraints) const override;
 
    void OnWillShow() override;
 
protected:
    void OnDone();
 
private:
    struct Impl;
    std::unique_ptr<Impl> impl_;
};
 
}  // namespace gui
}  // namespace visualization
}  // namespace open3d