include/X11/SelectionI.h

0001 /***********************************************************
0002
0003 Copyright 1987, 1988, 1994, 1998  The Open Group
0004
0005 Permission to use, copy, modify, distribute, and sell this software and its
0006 documentation for any purpose is hereby granted without fee, provided that
0007 the above copyright notice appear in all copies and that both that
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0009 documentation.
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0011 The above copyright notice and this permission notice shall be included in
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0013
0014 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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0019 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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0021 Except as contained in this notice, the name of The Open Group shall not be
0022 used in advertising or otherwise to promote the sale, use or other dealings
0023 in this Software without prior written authorization from The Open Group.
0024
0025
0026 Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
0027
0028                         All Rights Reserved
0029
0030 Permission to use, copy, modify, and distribute this software and its
0031 documentation for any purpose and without fee is hereby granted,
0032 provided that the above copyright notice appear in all copies and that
0033 both that copyright notice and this permission notice appear in
0034 supporting documentation, and that the name of Digital not be
0035 used in advertising or publicity pertaining to distribution of the
0036 software without specific, written prior permission.
0037
0038 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
0039 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
0040 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
0041 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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0045
0046 ******************************************************************/
0047
0048 #ifndef _XtselectionI_h
0049 #define _XtselectionI_h
0050
0051 #include "Intrinsic.h"
0052
0053 typedef struct _RequestRec *Request;
0054 typedef struct _SelectRec *Select;
0055
0056 typedef struct _RequestRec {
0057    Select ctx;            /* logical owner */
0058    Widget widget;         /* widget actually receiving Selection events */
0059    Window requestor;
0060    Atom property;
0061    Atom target;
0062    Atom type;
0063    int format;
0064    XtPointer value;
0065    unsigned long bytelength;
0066    unsigned long offset;
0067    XtIntervalId timeout;
0068    XSelectionRequestEvent event; /* for XtGetSelectionRequest */
0069    Boolean allSent;
0070 } RequestRec;
0071
0072 typedef struct {
0073   Atom prop;
0074   Boolean avail;
0075 } SelectionPropRec, *SelectionProp;
0076
0077 typedef struct {
0078   Display *dpy;
0079   Atom incr_atom, indirect_atom, timestamp_atom;
0080   int propCount;
0081   SelectionProp list;
0082 } PropListRec, *PropList;
0083
0084 typedef struct _SelectRec {
0085     Atom selection;             /* constant */
0086     Display *dpy;           /* constant */
0087     Widget widget;
0088     Time time;
0089     unsigned long serial;
0090     XtConvertSelectionProc convert;
0091     XtLoseSelectionProc loses;
0092     XtSelectionDoneProc notify;
0093     XtCancelConvertSelectionProc owner_cancel;
0094     XtPointer owner_closure;
0095     PropList prop_list;
0096     Request req;            /* state for local non-incr xfer */
0097     int ref_count;          /* of active transfers */
0098     unsigned int incremental:1;
0099     unsigned int free_when_done:1;
0100     unsigned int was_disowned:1;
0101 } SelectRec;
0102
0103 typedef struct _ParamRec {
0104     Atom selection;
0105     Atom param;
0106 } ParamRec, *Param;
0107
0108 typedef struct _ParamInfoRec {
0109     unsigned int count;
0110     Param paramlist;
0111 } ParamInfoRec, *ParamInfo;
0112
0113 typedef struct _QueuedRequestRec {
0114     Atom selection;
0115     Atom target;
0116     Atom param;
0117     XtSelectionCallbackProc callback;
0118     XtPointer closure;
0119     Time time;
0120     Boolean incremental;
0121 } QueuedRequestRec, *QueuedRequest;
0122
0123 typedef struct _QueuedRequestInfoRec {
0124     int count;
0125     Atom *selections;
0126     QueuedRequest *requests;
0127 } QueuedRequestInfoRec, *QueuedRequestInfo;
0128
0129 typedef struct {
0130     XtSelectionCallbackProc *callbacks;
0131     XtPointer *req_closure;
0132     Atom property;
0133     Atom *target;
0134     Atom type;
0135     int format;
0136     char *value;
0137     int bytelength;
0138     int offset;
0139     XtIntervalId timeout;
0140     XtEventHandler proc;
0141     Widget widget;
0142     Time time;
0143     Select ctx;
0144     Boolean *incremental;
0145     int current;
0146 } CallBackInfoRec, *CallBackInfo;
0147
0148 typedef struct {
0149   Atom target;
0150   Atom property;
0151 } IndirectPair;
0152
0153 #define IndirectPairWordSize 2
0154
0155 typedef struct {
0156   int active_transfer_count;
0157 } RequestWindowRec;
0158
0159 #define MAX_SELECTION_INCR(dpy) (((65536 < XMaxRequestSize(dpy)) ? \
0160     (65536 << 2)  : (XMaxRequestSize(dpy) << 2))-100)
0161
0162 #define MATCH_SELECT(event, info) ((event->time == info->time) && \
0163         (event->requestor == XtWindow(info->widget)) && \
0164         (event->selection == info->ctx->selection) && \
0165         (event->target == *info->target))
0166
0167 #endif /* _XtselectionI_h */
0168 /* DON'T ADD STUFF AFTER THIS #endif */