/*
* Motif
*
* Copyright (c) 1987-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these librararies and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*
* HISTORY
*/
/* $XConsortium: TransferI.h /main/6 1996/10/16 16:57:37 drk $ */
#ifndef _XmTransferI_H
#define _XmTransferI_H
#include <Xm/TransferT.h>
#ifdef __cplusplus
extern "C" {
#endif
/****************************************************************/
/* Structure which is stored for each transfer request. This */
/* is where XmTransferValue will keep the data for the internal */
/* wrapper. */
/****************************************************************/
#define TB_NONE 0
#define TB_IGNORE 1
#define TB_INTERNAL 2
typedef struct {
XtPointer next;
XtPointer client_data;
XtPointer location_data;
int flags;
Atom target;
XtCallbackProc selection_proc;
} TransferBlockRec, *TransferBlock;
/****************************************************************/
/* This structure forms the context block for each transfer_id. */
/* These structures are chained to allow for multiple */
/* concurrent outstanding data transfers. */
/****************************************************************/
typedef struct {
XtPointer next;
XtPointer prev;
Widget widget;
Atom selection;
Atom real_selection;
XtEnum op;
int count;
int outstanding;
int flags;
int status;
Widget drag_context;
Widget drop_context;
XmSelectionFinishedProc *doneProcs;
int numDoneProcs;
XtCallbackProc auto_proc;
XtPointer client_data;
XmDestinationCallbackStruct *callback_struct;
TransferBlock last;
TransferBlock requests;
} TransferContextRec, *TransferContext;
enum{ TC_NONE = 0, TC_FLUSHED = 1, TC_CALLED_WIDGET = 2,
TC_CALLED_CALLBACKS = 4, TC_EXITED_DH = 8,
TC_DID_DELETE = 16, TC_IN_MULTIPLE = 32 };
/****************************************************************/
/* The convertProc has a small context block which is */
/* setup by the source calls and deleted in the loseProc */
/****************************************************************/
typedef struct {
long op; /* Make it big so it can hold a variety of data */
int flags;
long itemid;
XtPointer location_data;
XtPointer client_data;
Widget drag_context;
} ConvertContextRec, *ConvertContext;
enum{ CC_NONE = 0};
/****************************************************************/
/* Need to keep a count of outstanding SNAPSHOT requests. */
/****************************************************************/
typedef struct {
long outstanding;
Atom distinguisher;
} SnapshotRequestRec, *SnapshotRequest;
/* Internal functions */
extern char * _XmTextToLocaleText(Widget, XtPointer, Atom, int,
unsigned long, Boolean *);
extern void _XmConvertHandlerSetLocal(void);
extern Boolean _XmConvertHandler(Widget wid, Atom *selection, Atom *target,
Atom *type, XtPointer *value,
unsigned long *size, int *fmt);
extern Boolean _XmDestinationHandler(Widget wid, Atom selection, XtEnum op,
XmSelectionFinishedProc done_proc,
XtPointer location_data, Time time,
XSelectionRequestEvent *event);
extern void _XmConvertComplete(Widget wid, XtPointer value,
unsigned long size, int format, Atom type,
XmConvertCallbackStruct *cs);
extern XmDestinationCallbackStruct
*_XmTransferGetDestinationCBStruct(XtPointer);
#ifdef __cplusplus
} /* Close scope of 'extern "C"' declaration which encloses file. */
#endif
#endif /* _XmTransferI_H */