cde/lib/DtTerm/TermPrim/TermPrimWMProtocols.c

   1 /*
   2  * CDE - Common Desktop Environment
   3  *
   4  * Copyright (c) 1993-2012, The Open Group. All rights reserved.
   5  *
   6  * These libraries and programs are free software; you can
   7  * redistribute them and/or modify them under the terms of the GNU
   8  * Lesser General Public License as published by the Free Software
   9  * Foundation; either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  * These libraries and programs are distributed in the hope that
  13  * they will be useful, but WITHOUT ANY WARRANTY; without even the
  14  * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  15  * PURPOSE. See the GNU Lesser General Public License for more
  16  * details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with these librararies and programs; if not, write
  20  * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
  21  * Floor, Boston, MA 02110-1301 USA
  22  */
  23 #ifndef lint
  24 #ifdef  VERBOSE_REV_INFO
  25 static char rcs_id[] = "$XConsortium: TermPrimWMProtocols.c /main/1 1996/04/21 19:20:04 drk $";
  26 #endif  /* VERBOSE_REV_INFO */
  27 #endif  /* lint */
  28 /*                                                                      *
  29  * (c) Copyright 1993, 1994, 1996 Hewlett-Packard Company               *
  30  * (c) Copyright 1993, 1994, 1996 International Business Machines Corp. *
  31  * (c) Copyright 1993, 1994, 1996 Sun Microsystems, Inc.                *
  32  * (c) Copyright 1993, 1994, 1996 Novell, Inc.                          *
  33  * (c) Copyright 1996 Digital Equipment Corporation.                    *
  34  * (c) Copyright 1996 FUJITSU LIMITED.                                  *
  35  * (c) Copyright 1996 Hitachi.                                          *
  36  */
  37
  38 #include "TermHeader.h"
  39 #include "TermPrimDebug.h"
  40 #include <Xm/Xm.h>
  41 #include <Xm/Protocols.h>
  42
  43 static Atom xa_WM_DELETE_WINDOW;
  44 static Atom xa_WM_SAVE_YOURSELF;
  45 static Boolean initialized = False;
  46
  47 static void
  48 protocolsInitialize(Widget topLevel)
  49 {
  50     if (!initialized) {
  51         xa_WM_DELETE_WINDOW = XInternAtom(XtDisplay(topLevel),
  52                 "WM_DELETE_WINDOW", False);
  53         xa_WM_SAVE_YOURSELF = XInternAtom(XtDisplay(topLevel),
  54                 "WM_SAVE_YOURSELF", False);
  55         initialized = True;
  56     }
  57 }
  58
  59 void
  60 _DtTermPrimAddDeleteWindowCallback(Widget topLevel, XtCallbackProc callback,
  61         XtPointer client_data)
  62 {
  63     /* initialize things... */
  64     _DtTermProcessLock();
  65     if (!initialized)
  66         (void) protocolsInitialize(topLevel);
  67     _DtTermProcessUnlock();
  68     (void) XmAddWMProtocols(topLevel, &xa_WM_DELETE_WINDOW, 1);
  69     (void) XmAddWMProtocolCallback(topLevel, xa_WM_DELETE_WINDOW, callback,
  70             client_data);
  71 }
  72
  73 void
  74 _DtTermPrimAddSaveYourselfCallback(Widget topLevel, XtCallbackProc callback,
  75         XtPointer client_data)
  76 {
  77     /* initialize things... */
  78     _DtTermProcessLock();
  79     if (!initialized)
  80         (void) protocolsInitialize(topLevel);
  81     _DtTermProcessUnlock();
  82     (void) XmAddWMProtocols(topLevel, &xa_WM_SAVE_YOURSELF, 1);
  83     (void) XmAddWMProtocolCallback(topLevel, xa_WM_SAVE_YOURSELF, callback,
  84             client_data);
  85 }