Jon Trulson
385 lines
9.8 KiB
C
385 lines
9.8 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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/* $TOG: Main.c /main/5 1998/04/20 12:52:56 mgreess $ */
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/************************************<+>*************************************
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****************************************************************************
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**
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** File: Main.c
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**
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** Project: Cache Creek (Rivers) Project
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**
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** Description: This is the main.c file for the helpview program.
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**
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**
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** (c) Copyright 1987, 1988, 1989, 1990, 1991, 1992 Hewlett-Packard Company
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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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**
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**
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****************************************************************************
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************************************<+>*************************************/
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/* System Include Files */
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#include <stdio.h>
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#include <string.h>
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#include <signal.h>
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#include <sys/stat.h>
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#include <sys/param.h>
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#include <limits.h>
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#include <unistd.h> /* R_OK */
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#include <X11/Intrinsic.h>
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#include <X11/Shell.h>
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#include <X11/Xatom.h>
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#include <Xm/MwmUtil.h>
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#include <Xm/Protocols.h>
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#include <Xm/Xm.h>
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#include <Xm/PushB.h>
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#include <Dt/HelpDialog.h>
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#include <Dt/DtNlUtils.h>
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#include <Dt/EnvControlP.h>
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/* Local Includes */
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#include <DtI/HelposI.h>
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#include <Dt/HelpP.h>
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#include <DtI/FileUtilsI.h>
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#include "Main.h"
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#include "UtilI.h"
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#include "ManPageI.h"
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/* Global Variables Used to maintain our cache list of help dialogs */
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CacheListStruct *pCacheListHead;
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CacheListStruct *pCacheListTale;
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int totalCacheNodes;
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/* Global Variables */
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Widget topLevel;
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Widget viewWidget;
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Widget manWidget;
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Widget manBtn;
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Widget manText;
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Widget manForm;
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Widget closeBtn;
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/* General global variables */
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int runMode;
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char *helpClass;
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Display *appDisplay;
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char *startCommand;
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/* Application resource list definition */
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static XrmOptionDescRec option_list[] =
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{
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{ "-helpVolume", "helpVolume", XrmoptionSepArg, NULL },
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{ "-locationId", "locationId", XrmoptionSepArg, NULL },
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{ "-file", "file", XrmoptionSepArg, NULL },
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{ "-manPage", "manPage", XrmoptionSepArg, NULL },
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{ "-man", "man", XrmoptionNoArg, "True" },
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};
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/* Structure, resource definitions, for View's optional parameters. */
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typedef struct
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{
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char * helpVolume;
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char * locationId;
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char * file;
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char * manPage;
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char * man;
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} ApplicationArgs, *ApplicationArgsPtr;
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static ApplicationArgs application_args;
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static XtResource resources[] =
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{
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{
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"helpVolume", "HelpVolume", XmRString, sizeof (char *),
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XtOffset (ApplicationArgsPtr, helpVolume),XmRImmediate,(caddr_t) NULL,
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},
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{
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"locationId", "LocationId", XmRString, sizeof (char *),
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XtOffset (ApplicationArgsPtr, locationId), XmRImmediate, (caddr_t) NULL,
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},
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{
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"file", "File", XmRString, sizeof (char *),
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XtOffset (ApplicationArgsPtr, file), XmRImmediate, (caddr_t) NULL,
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},
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{
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"manPage", "ManPage", XmRString, sizeof (char *),
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XtOffset (ApplicationArgsPtr, manPage), XmRImmediate, (caddr_t) NULL,
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},
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{
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"man", "Man", XmRString, sizeof (char *),
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XtOffset (ApplicationArgsPtr, man), XmRImmediate, (caddr_t) NULL,
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},
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};
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/******** Static Function Declarations ********/
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static void Usage(
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char ** argv);
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static void ExpandVolume(
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char **helpVolume);
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/* Global Variables */
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#define MAX_ARGS 20
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#define charset XmFONTLIST_DEFAULT_TAG
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/****************************************************************************
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* Function: static void GlobalInit();
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*
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* Parameters:
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*
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* Return Value: Void.
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*
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* Purpose: Initializes our global variables to valid starting values.
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*
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****************************************************************************/
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static void GlobalInit(void)
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{
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pCacheListHead = NULL;
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pCacheListTale = NULL;
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totalCacheNodes = 0;
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helpClass = XtNewString("Dthelpview");
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viewWidget = NULL;
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manWidget = NULL;
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manBtn = NULL;
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manText = NULL;
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manForm = NULL;
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closeBtn = NULL;
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}
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/***************************************************************************
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* Main Line Program:
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*
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***************************************************************************/
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void main(
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int argc,
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char **argv)
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{
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char *appName;
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Arg args[2];
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int n;
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int newArgc=0;
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char **newArgv;
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int counter=0;
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XtSetLanguageProc(NULL, NULL, NULL);
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startCommand = argv[0];
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appName = strrchr(argv[0], '/');
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if (appName != NULL)
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appName++;
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else
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appName = argv[0];
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/* Copy our argv values into a new array for use in DisplayTopic... */
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newArgc = argc;
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newArgv = (char **) XtMalloc (sizeof(char *) * (argc +1));
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for (counter=0;counter < argc; counter++)
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{
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newArgv[counter] = XtMalloc (strlen(argv[counter]) +1);
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strcpy (newArgv[counter], argv[counter]);
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}
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/* Setup our Help message catalog file name */
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DtHelpSetCatalogName("DtHelp.cat");
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_DtEnvControl(DT_ENV_SET);
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{
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/* char * foo = ((char *)GETMESSAGE(7, 1, "")); ??? */
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}
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/* Initialize toolkit and open the display */
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topLevel = XtInitialize(appName, "Dthelpview", option_list, 5, &argc, argv);
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appDisplay = XtDisplay(topLevel);
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if (!appDisplay)
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{
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XtWarning ("Dialogs: Can't open display, exiting...");
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exit (0);
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}
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/* Get the application resources. */
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XtGetApplicationResources(topLevel, &application_args,
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resources, XtNumber(resources), NULL, 0);
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/* If all of the command line parameters were not processed */
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/* out, print out a usage message set and exit. */
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if (argc != 1)
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Usage (argv);
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/* Call our global init routine */
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GlobalInit();
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/* Setup or environment to handle multi-byte stuff */
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#ifdef NLS16
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Dt_nlInit();
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#endif
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/* Give our shell a default size greater than zero */
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n = 0;
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XtSetArg (args[n], XmNheight, 10); n++;
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XtSetArg (args[n], XmNwidth, 10); n++;
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XtSetValues(topLevel, args, n);
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/* Setup up our top level shell */
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/* XtSetMappedWhenManaged(topLevel, FALSE);
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* XtRealizeWidget(topLevel);
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*/
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if (application_args.file != NULL)
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DisplayFile(topLevel, application_args.file);
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else if (application_args.manPage != NULL)
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DisplayMan(topLevel, application_args.manPage,
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EXIT_ON_CLOSE);
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else if (application_args.man != NULL)
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PostManDialog(topLevel, newArgc, newArgv);
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else if (application_args.helpVolume != NULL)
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{
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/* See if you can expand the helpVolume value */
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ExpandVolume(&(application_args.helpVolume));
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DisplayTopic(topLevel, application_args.helpVolume,
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application_args.locationId, newArgc, newArgv);
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}
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else
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Usage (argv);
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XtMainLoop();
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}
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/************************************************************************
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*
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* Usage
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* When incorrect parameters have been specified on the command
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* line, print out a set of messages detailing the correct use
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* and exit.
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*
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************************************************************************/
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static void Usage(
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char ** argv)
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{
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(void) fprintf (stderr, ((char *)_DTGETMESSAGE(7, 1,
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"Usage: %s...\n")), argv[0]);
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(void) fprintf (stderr, "\n");
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(void) fprintf (stderr, ((char *)_DTGETMESSAGE(7, 2,
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"\t-helpVolume <Help Volume File>\n")), argv[0]);
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(void) fprintf (stderr, ((char *) _DTGETMESSAGE(7, 3,
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"\t-locationId <ID>\n")), argv[0]);
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(void) fprintf (stderr, ((char *) _DTGETMESSAGE(7, 5,
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"\t-file <ASCII Text File>\n")), argv[0]);
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(void) fprintf (stderr, ((char *) _DTGETMESSAGE(7, 6,
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"\t-man\n")), argv[0]);
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(void) fprintf (stderr, ((char *) _DTGETMESSAGE(7, 7,
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"\t-manPage <Unix Man Page>\n\n\n")), argv[0]);
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exit (0);
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}
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/****************************************************************************
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* Function: ExpandVolume()
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*
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* Parameters:
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*
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* Return Value: Void.
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*
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* Purpose: Takes a helpVolume file name and adds the cwd path to the
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* front of it, and possibly adds a suffix.
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* It then stats the file; if the file is present, the
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* function returns a malloc'd full path in helpVolume,
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* otherwise it returns a malloc'd copy of the original value.
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*
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***************************************************************************/
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static void ExpandVolume(
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char **helpVolume)
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{
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char * workingPath=NULL;
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/* try to locate file and its entry, if present */
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/* True: search relative to current directory as well */
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workingPath = _DtHelpFileLocate("volumes", *helpVolume,
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_DtHelpFileSuffixList,True,R_OK);
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if (workingPath) *helpVolume = workingPath;
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else *helpVolume = strdup(*helpVolume);
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}
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