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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2012 Blender Foundation. All rights reserved. */
/** \file
* \ingroup GHOST
*/
#pragma once
#include "GHOST_SystemX11.h"
#include "GHOST_WindowX11.h"
#include <GHOST_Types.h>
#include "xdnd.h"
class GHOST_DropTargetX11 {
public:
/**
* Constructor
*
* \param window: The window to register as drop target.
* \param system: The associated system.
*/
GHOST_DropTargetX11(GHOST_WindowX11 *window, GHOST_SystemX11 *system);
/**
* Destructor
*/
~GHOST_DropTargetX11();
/**
* Handler of ClientMessage X11 event
*/
bool GHOST_HandleClientMessage(XEvent *event);
/**
* Get data to pass in event.
* It checks the type and calls specific functions for each type.
* \param dropType: Type of dropped entity.
* \param dropBuffer: Buffer returned from source application.
* \param dropBufferSize: Size of returned buffer.
* \return Pointer to data.
*/
void *getGhostData(Atom dropType, unsigned char *dropBuffer, int dropBufferSize);
private:
/* Internal helper functions */
/**
* Initialize XDND and all related X atoms
*/
void Initialize(void);
/**
* Uninitialized XDND and all related X atoms
*/
void Uninitialize(void);
/**
* Get data to be passed to event from text/URI-list mime type
* \param dropBuffer: Buffer returned from source application.
* \param dropBufferSize: Size of dropped buffer.
* \return pointer to newly created GHOST data.
*/
void *getURIListGhostData(unsigned char *dropBuffer, int dropBufferSize);
/**
* Decode URL (i.e. converts `file:///a%20b/test` to `file:///a b/test`)
* \param decodedOut: - buffer for decoded URL.
* \param bufferSize: - size of output buffer.
* \param encodedIn: - input encoded buffer to be decoded.
*/
void UrlDecode(char *decodedOut, int bufferSize, const char *encodedIn);
/**
* Fully decode file URL (i.e. converts `file:///a%20b/test` to `/a b/test`)
* \param fileUrl: - file path URL to be fully decoded.
* \return decoded file path (result should be free-d).
*/
char *FileUrlDecode(char *fileUrl);
/* The associated GHOST_WindowWin32. */
GHOST_WindowX11 *m_window;
/* The System. */
GHOST_SystemX11 *m_system;
/* Data type of the dragged object */
GHOST_TDragnDropTypes m_draggedObjectType;
/* Is drag-and-drop stuff initialized. */
static bool m_xdndInitialized;
/* Class holding internal stiff of `xdnd` library. */
static DndClass m_dndClass;
/* List of supported types to be dragged into. */
static Atom *m_dndTypes;
/* List of supported drag-and-drop actions. */
static Atom *m_dndActions;
/* List of supported MIME types to be dragged into. */
static const char *m_dndMimeTypes[];
/* Counter of references to global #XDND structures. */
static int m_refCounter;
#ifdef WITH_CXX_GUARDEDALLOC
MEM_CXX_CLASS_ALLOC_FUNCS("GHOST:GHOST_DropTargetX11")
#endif
};
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