DnD.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
 
#ifndef META_OCEAN_PLATFORM_WXWIDGETS_D_N_D_H
#define META_OCEAN_PLATFORM_WXWIDGETS_D_N_D_H
 
#include "ocean/platform/wxwidgets/WxWidgets.h"
 
#include "ocean/base/Callback.h"
 
#include <wx/dnd.h>
 
namespace Ocean
{
 
namespace Platform
{
 
namespace WxWidgets
{
 
/**
 * This class implements a drop target.
 * @ingroup platformwxw
 */
class OCEAN_PLATFORM_WXWIDGETS_EXPORT FileDropTarget : public wxFileDropTarget
{
    public:
 
        /**
         * Definition of a callback function for file drag and drop events.
         */
        typedef Callback<bool, const std::vector<std::string>&> Callback;
 
    public:
 
        /**
         * Creates a new drop target object.
         * @param callback File event callback function
         */
        explicit FileDropTarget(const Callback& callback);
 
    private:
 
        /**
         * Drag and Drop event function for files.
         * @param x Horizontal mouse position
         * @param y Vertical mouse position
         * @param filenames Names of the file to be dropped
         * @return True, if the files are accepted
         */
        virtual bool OnDropFiles(wxCoord x, wxCoord y, const wxArrayString& filenames);
 
    private:
 
        /// Callback event function.
        Callback targetCallback_;
};
 
}
 
}
 
}
 
#endif // META_OCEAN_PLATFORM_WXWIDGETS_D_N_D_H