src/MITMisc.c

   1 /*
   2  *
   3 Copyright 1989, 1998  The Open Group
   4
   5 Permission to use, copy, modify, distribute, and sell this software and its
   6 documentation for any purpose is hereby granted without fee, provided that
   7 the above copyright notice appear in all copies and that both that
   8 copyright notice and this permission notice appear in supporting
   9 documentation.
  10
  11 The above copyright notice and this permission notice shall be included in
  12 all copies or substantial portions of the Software.
  13
  14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20
  21 Except as contained in this notice, the name of The Open Group shall not be
  22 used in advertising or otherwise to promote the sale, use or other dealings
  23 in this Software without prior written authorization from The Open Group.
  24  *
  25  */
  26
  27 /* RANDOM CRUFT! THIS HAS NO OFFICIAL X CONSORTIUM BLESSING */
  28
  29 #ifdef HAVE_CONFIG_H
  30 #include <config.h>
  31 #endif
  32 #include <X11/Xlibint.h>
  33 #include <X11/extensions/MITMisc.h>
  34 #include <X11/extensions/mitmiscproto.h>
  35 #include <X11/extensions/Xext.h>
  36 #include <X11/extensions/extutil.h>
  37
  38 static XExtensionInfo _mit_info_data;
  39 static XExtensionInfo *mit_info = &_mit_info_data;
  40 static const char *mit_extension_name = MITMISCNAME;
  41
  42 #define MITCheckExtension(dpy,i,val) \
  43   XextCheckExtension (dpy, i, mit_extension_name, val)
  44
  45 /*****************************************************************************
  46  *                                                                           *
  47  *                         private utility routines                          *
  48  *                                                                           *
  49  *****************************************************************************/
  50
  51 static int close_display(Display *dpy, XExtCodes *codes);
  52 static /* const */ XExtensionHooks mit_extension_hooks = {
  53     NULL,                               /* create_gc */
  54     NULL,                               /* copy_gc */
  55     NULL,                               /* flush_gc */
  56     NULL,                               /* free_gc */
  57     NULL,                               /* create_font */
  58     NULL,                               /* free_font */
  59     close_display,                      /* close_display */
  60     NULL,                               /* wire_to_event */
  61     NULL,                               /* event_to_wire */
  62     NULL,                               /* error */
  63     NULL                                /* error_string */
  64 };
  65
  66 static XEXT_GENERATE_FIND_DISPLAY (find_display, mit_info, mit_extension_name,
  67                                    &mit_extension_hooks, MITMiscNumberEvents,
  68                                    NULL)
  69
  70 static XEXT_GENERATE_CLOSE_DISPLAY (close_display, mit_info)
  71
  72
  73 /*****************************************************************************
  74  *                                                                           *
  75  *                  public routines                                          *
  76  *                                                                           *
  77  *****************************************************************************/
  78
  79 Bool XMITMiscQueryExtension (Display *dpy, int *event_basep, int *error_basep)
  80 {
  81     XExtDisplayInfo *info = find_display (dpy);
  82
  83     if (XextHasExtension(info)) {
  84         *event_basep = info->codes->first_event;
  85         *error_basep = info->codes->first_error;
  86         return True;
  87     } else {
  88         return False;
  89     }
  90 }
  91
  92
  93 Status XMITMiscSetBugMode(Display *dpy, Bool onOff)
  94 {
  95     XExtDisplayInfo *info = find_display (dpy);
  96     register xMITSetBugModeReq *req;
  97
  98     MITCheckExtension (dpy, info, 0);
  99
 100     LockDisplay(dpy);
 101     GetReq(MITSetBugMode, req);
 102     req->reqType = info->codes->major_opcode;
 103     req->mitReqType = X_MITSetBugMode;
 104     req->onOff = onOff;
 105     UnlockDisplay(dpy);
 106     SyncHandle();
 107     return 1;
 108 }
 109
 110 Bool XMITMiscGetBugMode(Display *dpy)
 111 {
 112     XExtDisplayInfo *info = find_display (dpy);
 113     register xMITGetBugModeReq *req;
 114     xMITGetBugModeReply rep;
 115
 116     MITCheckExtension (dpy, info, 0);
 117
 118     LockDisplay(dpy);
 119     GetReq(MITGetBugMode, req);
 120     req->reqType = info->codes->major_opcode;
 121     req->mitReqType = X_MITGetBugMode;
 122     if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
 123         UnlockDisplay(dpy);
 124         SyncHandle();
 125         return False;
 126     }
 127     UnlockDisplay(dpy);
 128     SyncHandle();
 129     return rep.onOff;
 130 }