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