rom/intuition/startscreennotifytaglist.c

   1 /*
   2     Copyright  1995-2007, The AROS Development Team. All rights reserved.
   3     Copyright  2001-2003, The MorphOS Development Team. All Rights Reserved.
   4     $Id$
   5
   6     Add a Intuition Notification.
   7 */
   8
   9 #include <intuition/intuition.h>
  10
  11 #include "intuition_intern.h"
  12
  13 /*****************************************************************************
  14
  15     NAME */
  16
  17 #include <proto/exec.h>
  18 #include <proto/intuition.h>
  19 #include <proto/utility.h>
  20
  21 AROS_LH1(IPTR, StartScreenNotifyTagList,
  22
  23          /*  SYNOPSIS */
  24          AROS_LHA(struct TagItem *, tags, A0),
  25
  26          /*  LOCATION */
  27          struct IntuitionBase *, IntuitionBase, 161, Intuition)
  28
  29 /*  FUNCTION
  30     Add Notifications to Intuitionn.
  31
  32     INPUTS
  33     taglist - A OS4 Styled Taglist for
  34
  35     RESULT
  36     the value is private only a test against ZERO is allowed and means Failure
  37
  38     NOTES
  39
  40     EXAMPLE
  41
  42     BUGS
  43
  44     SEE ALSO
  45     EndScreenNotify()
  46     INTERNALS
  47
  48     HISTORY
  49
  50 *****************************************************************************/
  51 {
  52     AROS_LIBFUNC_INIT
  53     struct IntScreenNotify *notify;
  54
  55     notify = (struct IntScreenNotify *) AllocVec(sizeof(struct IntScreenNotify), MEMF_CLEAR);
  56
  57     if (notify)
  58     {
  59         notify->port = (struct MsgPort *) GetTagData(SNA_MsgPort, 0, tags);
  60         notify->sigbit = (BYTE) GetTagData(SNA_SigBit, 0, tags);
  61         notify->sigtask = (struct Task *) GetTagData(SNA_SigTask, 0, tags);
  62         notify->flags = (ULONG) GetTagData(SNA_Notify, 0, tags);
  63         notify->userdata = (IPTR) GetTagData(SNA_UserData, 0, tags);
  64         notify->hook = (struct Hook *) GetTagData(SNA_Hook, 0, tags);
  65         notify->node.ln_Pri = (BYTE) GetTagData(SNA_Priority, 0, tags);
  66         notify->pubname = NULL;
  67
  68         char *pubname = (char *) GetTagData(SNA_PubName, 0, tags);
  69         if (pubname)
  70         {
  71             notify->pubname = AllocVec(strlen(pubname) + 1, MEMF_CLEAR);
  72             if (notify->pubname)
  73             {
  74                 strcpy(notify->pubname, pubname);
  75             }
  76             else
  77             {
  78                 FreeVec(notify);
  79                 notify = NULL;
  80             }
  81         }
  82         if (notify)
  83         {
  84             ObtainSemaphore(&GetPrivIBase(IntuitionBase)->ScreenNotificationListLock);
  85             Enqueue(&GetPrivIBase(IntuitionBase)->ScreenNotificationList, (struct Node *) notify);
  86             ReleaseSemaphore(&GetPrivIBase(IntuitionBase)->ScreenNotificationListLock);
  87         }
  88     }
  89
  90     ReturnPtr ("StartScreenNotifyTagList", APTR, notify);
  91
  92     AROS_LIBFUNC_EXIT
  93 } /* StartScreenNotifyTagList */