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/*
* Xdrag.h - Drag-and-drop under X.
*
* Copyright (C) 2000-2001 The Exult Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef INCL_XDRAG
#define INCL_XDRAG
const int max_types = 15;
typedef void (*Move_shape_handler_fun)(int shape, int frame, int x, int y,
int prevx, int prevy);
typedef void (*Drop_shape_handler_fun)(int shape, int frame, int x, int y, void *data);
typedef void (*Drop_chunk_handler_fun)(int chunk, int x, int y, void *data);
/*
* This supports the 'drop' side of Xdnd:
*/
class Xdnd
{
Display *display;
Window xwmwin; // Gets WM window.
Window xgamewin; // Game window within xwmwin.
Atom shapeid_atom; // For drag-and-drop of shapes.
Atom chunkid_atom; // For chunks.
Atom xdnd_aware; // For XdndAware.
Atom xdnd_enter;
Atom xdnd_leave;
Atom xdnd_position;
Atom xdnd_drop;
Atom xdnd_status;
Atom xdnd_copy;
Atom xdnd_ask;
Atom xdnd_typelist;
Atom xdnd_selection;
unsigned long xdnd_version;
int num_types;
Atom drag_types[max_types]; // Data type atoms source can supply.
// Current drag info:
int lastx, lasty; // Last mouse pos. during drag, within
// our window.
int winx, winy; // Window coords. at start of drag.
int file, shape, frame; // Set when a shape is being dragged.
int chunknum; // Set when a chunk is dragged.
bool data_valid; // True when the above is retrieved.
Move_shape_handler_fun move_handler; // For dragging shapes.
Drop_shape_handler_fun shape_handler; // For dropping shapes.
Drop_chunk_handler_fun chunk_handler; // For dropping chunks.
public:
Xdnd(Display *d, Window xw, Window xgw, Move_shape_handler_fun movefun,
Drop_shape_handler_fun shapefun, Drop_chunk_handler_fun cfun);
void client_msg(XClientMessageEvent& cev);
void select_msg(XSelectionEvent& sev);
};
#endif
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