XOrg/headers/native/src/X11/SelectionI.h

   1 /* $Xorg: SelectionI.h,v 1.4 2001/02/09 02:03:58 xorgcvs Exp $ */
   2
   3 /***********************************************************
   4
   5 Copyright 1987, 1988, 1994, 1998  The Open Group
   6
   7 Permission to use, copy, modify, distribute, and sell this software and its
   8 documentation for any purpose is hereby granted without fee, provided that
   9 the above copyright notice appear in all copies and that both that
  10 copyright notice and this permission notice appear in supporting
  11 documentation.
  12
  13 The above copyright notice and this permission notice shall be included in
  14 all copies or substantial portions of the Software.
  15
  16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  19 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  20 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22
  23 Except as contained in this notice, the name of The Open Group shall not be
  24 used in advertising or otherwise to promote the sale, use or other dealings
  25 in this Software without prior written authorization from The Open Group.
  26
  27
  28 Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
  29
  30                         All Rights Reserved
  31
  32 Permission to use, copy, modify, and distribute this software and its
  33 documentation for any purpose and without fee is hereby granted,
  34 provided that the above copyright notice appear in all copies and that
  35 both that copyright notice and this permission notice appear in
  36 supporting documentation, and that the name of Digital not be
  37 used in advertising or publicity pertaining to distribution of the
  38 software without specific, written prior permission.
  39
  40 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  41 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  42 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  43 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  44 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  45 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  46 SOFTWARE.
  47
  48 ******************************************************************/
  49
  50 #ifndef _XtselectionI_h
  51 #define _XtselectionI_h
  52
  53 #include "Intrinsic.h"
  54
  55 typedef struct _RequestRec *Request;
  56 typedef struct _SelectRec *Select;
  57
  58 typedef struct _RequestRec {
  59    Select ctx;                /* logical owner */
  60    Widget widget;             /* widget actually receiving Selection events */
  61    Window requestor;
  62    Atom property;
  63    Atom target;
  64    Atom type;
  65    int format;
  66    XtPointer value;
  67    unsigned long bytelength;
  68    unsigned long offset;
  69    XtIntervalId timeout;
  70    XSelectionRequestEvent event; /* for XtGetSelectionRequest */
  71    Boolean allSent;
  72 } RequestRec;
  73
  74 typedef struct {
  75   Atom prop;
  76   Boolean avail;
  77 } SelectionPropRec, *SelectionProp;
  78
  79 typedef struct {
  80   Display *dpy;
  81   Atom incr_atom, indirect_atom, timestamp_atom;
  82   int propCount;
  83   SelectionProp list;
  84 } PropListRec, *PropList;
  85
  86 typedef struct _SelectRec {
  87     Atom selection;                     /* constant */
  88     Display *dpy;                       /* constant */
  89     Widget widget;
  90     Time time;
  91     unsigned long serial;
  92     XtConvertSelectionProc convert;
  93     XtLoseSelectionProc loses;
  94     XtSelectionDoneProc notify;
  95     XtCancelConvertSelectionProc owner_cancel;
  96     XtPointer owner_closure;
  97     PropList prop_list;
  98     Request req;                        /* state for local non-incr xfer */
  99     int ref_count;                      /* of active transfers */
 100     unsigned int incremental:1;
 101     unsigned int free_when_done:1;
 102     unsigned int was_disowned:1;
 103 } SelectRec;
 104
 105 typedef struct _ParamRec {
 106     Atom selection;
 107     Atom param;
 108 } ParamRec, *Param;
 109
 110 typedef struct _ParamInfoRec {
 111     unsigned int count;
 112     Param paramlist;
 113 } ParamInfoRec, *ParamInfo;
 114
 115 typedef struct _QueuedRequestRec {
 116     Atom selection;
 117     Atom target;
 118     Atom param;
 119     XtSelectionCallbackProc callback;
 120     XtPointer closure;
 121     Time time;
 122     Boolean incremental;
 123 } QueuedRequestRec, *QueuedRequest;
 124
 125 typedef struct _QueuedRequestInfoRec {
 126     int count;
 127     Atom *selections;
 128     QueuedRequest *requests;
 129 } QueuedRequestInfoRec, *QueuedRequestInfo;
 130
 131 typedef struct {
 132     XtSelectionCallbackProc *callbacks;
 133     XtPointer *req_closure;
 134     Atom property;
 135     Atom *target;
 136     Atom type;
 137     int format;
 138     char *value;
 139     int bytelength;
 140     int offset;
 141     XtIntervalId timeout;
 142     XtEventHandler proc;
 143     Widget widget;
 144     Time time;
 145     Select ctx;
 146     Boolean *incremental;
 147     int current;
 148 } CallBackInfoRec, *CallBackInfo;
 149
 150 typedef struct {
 151   Atom target;
 152   Atom property;
 153 } IndirectPair;
 154
 155 #define IndirectPairWordSize 2
 156
 157 typedef struct {
 158   int active_transfer_count;
 159 } RequestWindowRec;
 160
 161 #define MAX_SELECTION_INCR(dpy) (((65536 < XMaxRequestSize(dpy)) ? \
 162         (65536 << 2)  : (XMaxRequestSize(dpy) << 2))-100)
 163
 164 #define MATCH_SELECT(event, info) ((event->time == info->time) && \
 165             (event->requestor == XtWindow(info->widget)) && \
 166             (event->selection == info->ctx->selection) && \
 167             (event->target == *info->target))
 168
 169 #endif /* _XtselectionI_h */
 170 /* DON'T ADD STUFF AFTER THIS #endif */