7010b2c11b
CDE has relied upon catgets() implementations following a relaxed interpretation of the XPG internationalization standard that ignored -1, the standard error value returned by catopen, as the catalog argument. However, this same behavior causes segmentation faults with the musl C library. This patch: - Centralizes (with the exception of ToolTalk) all calls to catopen(), catgets(), and catclose() through MsgCat within the DtSvc library. - Prevents calls to catgets() and catclose() that rely upon undefined behavior. - Eliminates a number of bespoke catgets() wrappers, including multiple redundant caching implementations designed to work around a design peculiarity in HP/UX. - Eases building CDE without XPG internationalization support by providing the appropriate macros.
240 lines
7.6 KiB
C
240 lines
7.6 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*******************************************************************************
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**
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** help.c
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**
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** $XConsortium: help.c /main/7 1996/04/19 15:47:41 rswiston $
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**
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** RESTRICTED CONFIDENTIAL INFORMATION:
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**
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** The information in this document is subject to special
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** restrictions in a confidential disclosure agreement between
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** HP, IBM, Sun, USL, SCO and Univel. Do not distribute this
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** document outside HP, IBM, Sun, USL, SCO, or Univel without
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** Sun's specific written approval. This document and all copies
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** and derivative works thereof must be returned or destroyed at
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** Sun's request.
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**
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** Copyright 1993 Sun Microsystems, Inc. All rights reserved.
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**
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*******************************************************************************/
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/* *
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* (c) Copyright 1993, 1994 Hewlett-Packard Company *
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* (c) Copyright 1993, 1994 International Business Machines Corp. *
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* (c) Copyright 1993, 1994 Sun Microsystems, Inc. *
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* (c) Copyright 1993, 1994 Novell, Inc. *
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*/
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#ifndef lint
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static char sccsid[] = "@(#)help.c 1.19 95/03/28 Copyr 1991 Sun Microsystems, Inc.";
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#endif
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#include <EUSCompat.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <sys/param.h> /* MAXPATHLEN defined here */
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#ifdef SVR4
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#include <sys/utsname.h> /* SYS_NMLN */
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#endif /* SVR4 specific includes */
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#include <dirent.h>
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#include <ctype.h>
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#include <string.h>
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#include <sys/time.h>
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#include <sys/signal.h>
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#include <rpc/rpc.h>
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#include <sys/resource.h>
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#include <sys/wait.h>
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#include <netinet/in.h>
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#include <X11/Xlib.h>
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#include <Xm/Xm.h>
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#include <Xm/Form.h>
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#include <Xm/LabelG.h>
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#include <Xm/List.h>
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#include <Xm/DialogS.h>
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#include <Xm/PushBG.h>
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#include <Xm/RowColumn.h>
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#include <Xm/Scale.h>
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#include <Xm/SeparatoG.h>
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#include <Xm/TextF.h>
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#include <Xm/Text.h>
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#include <Xm/ToggleB.h>
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#include <Xm/ToggleBG.h>
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#include <Dt/HourGlass.h>
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#include <Dt/HelpDialog.h>
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#include "calendar.h"
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#include "revision.h"
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#include "help.h"
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#include "props_pu.h"
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static void display_help(Calendar *, ArgList, int);
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static void
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display_help(Calendar *c, ArgList args, int nargs)
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{
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if (!c->mainhelpdialog)
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{
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Arg oneArg;
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char *title = XtNewString(CATGETS(c->DT_catd, 1, 1076, "Calendar : Help"));
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XtSetArg(oneArg, XmNtitle, title);
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c->mainhelpdialog =
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(Widget)DtCreateHelpDialog(c->frame, "mainhelpdialog", &oneArg, 1);
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XtFree(title);
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}
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XtSetValues(c->mainhelpdialog, args, nargs);
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XtManageChild(c->mainhelpdialog);
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}
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void show_main_help(Widget w, XtPointer clientData, XtPointer cbs)
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{
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int ac;
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Arg al[10];
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Calendar *c = calendar;
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Props_pu *p = (Props_pu *) c->properties_pu;
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Widget selWidget = NULL;
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int status = DtHELP_SELECT_ERROR;
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ac = 0;
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XtSetArg(al[ac], DtNhelpType, DtHELP_TYPE_TOPIC); ac++;
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switch ((intptr_t)clientData) {
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case HELP_OVERVIEW:
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XtSetArg(al[ac], DtNhelpVolume, "Calendar"); ac++;
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XtSetArg(al[ac], DtNlocationId, "_HOMETOPIC"); ac++;
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break;
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case HELP_USINGHELP:
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XtSetArg(al[ac], DtNhelpVolume, "Help4Help"); ac++;
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XtSetArg(al[ac], DtNlocationId, "_HOMETOPIC"); ac++;
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break;
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case HELP_TASKS:
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XtSetArg(al[ac], DtNhelpVolume, "Calendar"); ac++;
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XtSetArg(al[ac], DtNlocationId, "TASKS"); ac++;
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break;
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case HELP_REFERENCE:
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XtSetArg(al[ac], DtNhelpVolume, "Calendar"); ac++;
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XtSetArg(al[ac], DtNlocationId, "REFERENCE"); ac++;
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break;
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case HELP_ABOUTCALENDAR:
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XtSetArg(al[ac], DtNhelpVolume, "Help4Help"); ac++;
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XtSetArg(al[ac], DtNlocationId, "_COPYRIGHT"); ac++;
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break;
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case HELP_TOC:
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XtSetArg(al[ac], DtNhelpVolume, "Calendar"); ac++;
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XtSetArg(al[ac], DtNlocationId, "TOC"); ac++;
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break;
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case HELP_ONITEM:
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while (!XtIsSubclass(w, applicationShellWidgetClass))
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w = XtParent(w);
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status = DtHelpReturnSelectedWidgetId(w, 0, &selWidget);
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switch ((int)status)
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{
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case DtHELP_SELECT_ERROR:
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printf("%s", CATGETS(c->DT_catd, 1, 350, "Selection Error, cannot continue\n"));
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break;
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case DtHELP_SELECT_VALID:
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while (selWidget != NULL)
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{
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if ((XtHasCallbacks(selWidget, XmNhelpCallback) == XtCallbackHasSome))
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{
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XtCallCallbacks((Widget)selWidget,
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XmNhelpCallback,NULL);
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break;
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}
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else
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selWidget = XtParent(selWidget);
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}
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break;
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case DtHELP_SELECT_ABORT:
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return;
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case DtHELP_SELECT_INVALID:
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{
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char *title = XtNewString(CATGETS(c->DT_catd, 1, 110, "Calendar : Error - Help"));
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char *text = XtNewString(CATGETS(c->DT_catd, 1, 352, "You must select a component within your application."));
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char *ident1 = XtNewString(CATGETS(c->DT_catd, 1, 95, "Continue"));
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dialog_popup(c->frame,
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DIALOG_TITLE, title,
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DIALOG_TEXT, text,
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BUTTON_IDENT, 1, ident1,
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DIALOG_IMAGE, p->xm_error_pixmap,
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NULL);
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XtFree(ident1);
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XtFree(text);
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XtFree(title);
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return;
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}
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}
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break;
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default:
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XtSetArg(al[ac], DtNhelpVolume, "Calendar"); ac++;
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XtSetArg(al[ac], DtNlocationId, "_HOMETOPIC"); ac++;
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break;
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}
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display_help(c, al, ac);
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}
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extern void
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help_cb(Widget w, XtPointer clientData, XtPointer callData)
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{
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int ac;
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Arg al[10];
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Calendar *c = calendar;
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char *locationid = (char *) clientData;
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ac = 0;
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XtSetArg(al[ac], DtNhelpType, DtHELP_TYPE_TOPIC); ac++;
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XtSetArg(al[ac], DtNhelpVolume, "Calendar"); ac++;
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XtSetArg(al[ac], DtNlocationId, locationid); ac++;
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display_help(c, al, ac);
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}
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/* special case where we must determine the view */
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extern void
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help_view_cb(Widget w, XtPointer clientData, XtPointer callData)
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{
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Calendar *c = calendar;
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switch (c->view->glance) {
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case dayGlance:
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help_cb(w, (XtPointer)CALENDAR_HELP_DAY_WINDOW, callData);
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break;
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case weekGlance:
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help_cb(w, (XtPointer)CALENDAR_HELP_WEEK_WINDOW, callData);
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break;
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case monthGlance:
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help_cb(w, (XtPointer)CALENDAR_HELP_MONTH_WINDOW, callData);
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break;
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default:
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break;
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}
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}
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