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/**
*
* $Id: DragC.h,v 1.3 2000/09/23 14:51:40 amai Exp $
*
* Copyright (C) 1995 Free Software Foundation, Inc.
* Copyright (C) 1995-2000 LessTif Development Team
*
* This file is part of the GNU LessTif Library.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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 Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
**/
#ifndef _XM_DRAGC_H
#define _XM_DRAGC_H
#include <Xm/Xm.h>
#include <Xm/Display.h>
#ifdef __cplusplus
extern "C" {
#endif
#define XmHELP 2
typedef unsigned int XmID;
#ifndef XmIsDragContext
#define XmIsDragContext(w) XtIsSubclass(w, xmDragContextClass)
#endif
#ifndef _XA_MOTIF_DROP
#define _XA_MOTIF_DROP "_MOTIF_DROP"
#define _XA_DRAG_FAILURE "_MOTIF_DRAG_FAILURE"
#define _XA_DRAG_SUCCESS "_MOTIF_DRAG_SUCCESS"
#endif
/* values used in the message type for the ClientMessage we send */
enum {
XmTOP_LEVEL_ENTER,
XmTOP_LEVEL_LEAVE,
XmDRAG_MOTION,
XmDROP_SITE_ENTER,
XmDROP_SITE_LEAVE,
XmDROP_START,
XmDROP_FINISH,
XmDRAG_DROP_FINISH,
XmOPERATION_CHANGED
};
/* values used for the completionStatus */
enum {
XmDROP,
XmDROP_HELP,
XmDROP_CANCEL,
XmDROP_INTERRUPT
};
/* values for operations */
#define XmDROP_NOOP 0L
#define XmDROP_MOVE (1L << 0)
#define XmDROP_COPY (1L << 1)
#define XmDROP_LINK (1L << 2)
/* enum for operation result */
enum {
XmDROP_FAILURE,
XmDROP_SUCCESS
};
/* values for blending */
enum {
XmBLEND_ALL,
XmBLEND_STATE_SOURCE,
XmBLEND_JUST_SOURCE,
XmBLEND_NONE
};
/* values sent for the public callback reasons */
enum {
XmCR_TOP_LEVEL_ENTER,
XmCR_TOP_LEVEL_LEAVE,
XmCR_DRAG_MOTION,
XmCR_DROP_SITE_ENTER,
XmCR_DROP_SITE_LEAVE,
XmCR_DROP_START,
XmCR_DROP_FINISH,
XmCR_DRAG_DROP_FINISH,
XmCR_OPERATION_CHANGED,
_XmNUMBER_DND_CB_REASONS
};
typedef struct _XmDragContextClassRec *XmDragContextClass;
typedef struct _XmDragContextRec *XmDragContext;
extern WidgetClass xmDragContextClass;
typedef struct _XmAnyICCCallbackStruct {
int reason;
XEvent *event;
Time timeStamp;
} XmAnyICCCallbackStruct, *XmAnyICCCallback;
typedef struct _XmTopLevelEnterCallbackStruct {
int reason;
XEvent *event;
Time timeStamp;
Screen *screen;
/* see DragC.h in Motif 1.2.3 for comment. line 106 */
Window window;
Position x,y;
unsigned char dragProtocolStyle;
Atom iccHandle;
} XmTopLevelEnterCallbackStruct, *XmTopLevelEnterCallback;
typedef struct _XmTopLevelLeaveCallbackStruct {
int reason;
XEvent *event;
Time timeStamp;
Screen *screen;
Window window;
} XmTopLevelLeaveCallbackStruct, *XmTopLevelLeaveCallback;
/* this message is sent from the receive to the initiator to
* indicate that the motion message with the associated timestamp has
* caused a drop-site to be entered
*/
typedef struct _XmDropSiteEnterCallbackStruct {
int reason;
XEvent *event;
Time timeStamp;
unsigned char operation;
unsigned char operations;
unsigned char dropSiteStatus;
Position x, y;
} XmDropSiteEnterCallbackStruct, *XmDropSiteEnterCallback;
typedef struct _XmDropSiteLeaveCallbackStruct {
int reason;
XEvent *event;
Time timeStamp;
} XmDropSiteLeaveCallbackStruct, *XmDropSiteLeaveCallback;
typedef struct _XmDragMotionCallbackStruct {
int reason;
XEvent *event;
Time timeStamp;
unsigned char operation;
unsigned char operations;
unsigned char dropSiteStatus;
Position x, y;
} XmDragMotionCallbackStruct, *XmDragMotionCallback;
typedef struct _XmOperationChangedCallbackStruct {
int reason;
XEvent *event;
Time timeStamp;
unsigned char operation;
unsigned char operations;
unsigned char dropSiteStatus;
} XmOperationChangedCallbackStruct, *XmOperationChangedCallback;
typedef struct _XmDropStartCallbackStruct {
int reason;
XEvent *event;
Time timeStamp;
unsigned char operation;
unsigned char operations;
unsigned char dropSiteStatus;
unsigned char dropAction;
Position x, y;
Window window;
Atom iccHandle;
} XmDropStartCallbackStruct, *XmDropStartCallback;
typedef struct _XmDropFinishCallbackStruct {
int reason;
XEvent *event;
Time timeStamp;
unsigned char operation;
unsigned char operations;
unsigned char dropSiteStatus;
unsigned char dropAction;
unsigned char completionStatus;
} XmDropFinishCallbackStruct, *XmDropFinishCallback;
typedef struct _XmDragDropFinishCallbackStruct {
int reason;
XEvent *event;
Time timeStamp;
} XmDragDropFinishCallbackStruct, *XmDragDropFinishCallback;
/* public functions */
extern Widget XmDragStart(Widget w,
XEvent *event,
ArgList args,
Cardinal numArgs);
extern void XmDragCancel(Widget dragContext);
extern Boolean XmTargetsAreCompatible(Display *dpy,
Atom *exportTargets,
Cardinal numExportTargets,
Atom *importTargets,
Cardinal numImportTargets);
#ifdef __cplusplus
}
#endif
#endif /* _XM_DRAGC_H */
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