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cdesktop/cde/lib/DtSvc/DtUtil2/DtUtil.c
2018-04-28 12:30:20 -06:00

228 lines
6.4 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $TOG: DtUtil.c /main/10 1998/07/30 12:13:08 mgreess $ */
/*
* (c) Copyright 1993, 1994 Hewlett-Packard Company *
* (c) Copyright 1993, 1994 International Business Machines Corp. *
* (c) Copyright 1993, 1994 Sun Microsystems, Inc. *
* (c) Copyright 1993, 1994 Novell, Inc. *
*/
/******************************************************************************
*
* File Name: DtUtil.c
*
* Contains the DT functions used by an application to connect to the
* underlying communications mechanism.
*
*****************************************************************************/
#include <sys/param.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <netdb.h>
#include <X11/Xlib.h>
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include <Xm/Xm.h>
#include <Dt/DtP.h>
#include <Dt/UserMsg.h>
#include <Dt/DtNlUtils.h>
#include <Dt/EnvControlP.h>
#include "DtSvcLock.h"
/*****************************************
*
* External functions not defined in header files.
*
*****************************************/
/******** End Public Function Declarations ********/
/******** Static Function Declarations ********/
static Boolean DtBigInitialize(
Display *display,
Widget widget,
char *name,
char *toolClass,
XtAppContext app_context) ;
static void InitButtonLabels( void ) ;
static void DtGlobalsInitialize(
Display *display,
char *name,
char *toolClass) ;
/******** End Static Function Declarations ********/
/*****************************************
*
* Global variables
*
*****************************************/
XrmDatabase _DtResourceDatabase = NULL; /* This Dt global indicates which
Xrm database should be read for
resources. */
XtAppContext _DtAppContext = NULL; /* This Dt global keeps track of the
app-context, if one has been
specified. Note that libXv does
not yet support multiple app-
contexts. */
XtAppContext *_DtInitAppContextp = NULL;
Widget _DtInitTtContextWidget = NULL;
Display *_DtDisplay = NULL; /* This global variable is saved
when a client invokes "DtInitialize"
It is used later to get resources
when the DT databases are loaded.*/
char *_DtApplicationName = NULL; /* This global variable is the
client's "ApplicationName". */
char *_DtApplicationClass = NULL; /* This global variable is the
client's "ApplicationClass". */
char *_DtToolClass = NULL; /* Tool class passed to _DtInit...() */
/* Localizable button labels */
const char * _DtOkString = NULL;
const char * _DtCancelString = NULL;
const char * _DtHelpString = NULL;
const char * _DtApplyString = NULL;
const char * _DtCloseString = NULL;
/*********************************************
*
* Initialization Functions
*
*********************************************/
Boolean
DtAppInitialize(
XtAppContext app_context,
Display *display,
Widget widget,
char *name,
char *toolClass )
{
Boolean result;
_DtSvcAppLock(app_context);
result = DtBigInitialize (display, widget, name, toolClass, app_context);
_DtSvcAppUnlock(app_context);
return (result);
}
Boolean
DtInitialize(
Display *display,
Widget widget,
char *name,
char *toolClass )
{
Boolean result;
_DtSvcDisplayToAppContext(display);
_DtSvcAppLock(app);
result = DtBigInitialize (display, widget, name, toolClass, NULL);
_DtSvcAppUnlock(app);
return (result);
}
static Boolean
DtBigInitialize(
Display *display,
Widget widget,
char *name,
char *toolClass,
XtAppContext app_context )
{
static Boolean initialized = False;
/* Initialization can only be performed once. */
_DtSvcProcessLock();
if (initialized) {
_DtSvcProcessUnlock();
return (False);
}
/* Preserve the pre-Dt environ and add Dt-specifics to environ */
(void) _DtEnvControl (DT_ENV_SET);
/* Initialize a bunch of miscellaneous things. */
DtNlInitialize();
InitButtonLabels();
DtGlobalsInitialize (display, name, toolClass);
if ( XmIsGadget(widget) )
_DtInitTtContextWidget = XtParent(widget);
else
_DtInitTtContextWidget = widget;
if (app_context)
_DtAppContext = app_context;
else
_DtAppContext = XtWidgetToApplicationContext(_DtInitTtContextWidget);
_DtInitAppContextp = &_DtAppContext;
initialized = TRUE;
_DtSvcProcessUnlock();
return (initialized);
}
/* Initialize the global button labels */
static void
InitButtonLabels( void )
{
_DtOkString = XtNewString(Dt11GETMESSAGE(28, 1, "OK"));
_DtCancelString = XtNewString(Dt11GETMESSAGE(28, 2, "Cancel"));
_DtHelpString = XtNewString(Dt11GETMESSAGE(28, 3, "Help"));
_DtApplyString = XtNewString(Dt11GETMESSAGE(28, 4, "Apply"));
_DtCloseString = XtNewString(Dt11GETMESSAGE(28, 5, "Close"));
}
static void
DtGlobalsInitialize(
Display *display,
char *name,
char *toolClass )
{
_DtResourceDatabase = XtDatabase (display);
DtProgName = name;
_DtToolClass = XtNewString(toolClass);
XeToolClass = XtNewString (toolClass);
/*
* Save the application name and application class.
*/
_DtDisplay = display;
XtGetApplicationNameAndClass (display,
&_DtApplicationName,
&_DtApplicationClass);
}