128 lines
3.6 KiB
C++
128 lines
3.6 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2012 by the Blender Foundation.
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* All rights reserved.
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*/
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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.h"
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#include "GHOST_WindowX11.h"
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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(void);
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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(void);
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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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* Decode URL (i.e. converts "file:///a%20b/test" to "file:///a b/test")
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* \param decodedOut - buffer for decoded URL
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* \param bufferSize - size of output buffer
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* \param encodedIn - input encoded buffer to be decoded
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*/
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void UrlDecode(char *decodedOut, int bufferSize, const char *encodedIn);
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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 dnd stuff initialzied */
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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 eb draggeg into */
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static Atom *m_dndTypes;
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/* list of supported dran'n'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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