static char RCSid[] = "$Id: AtConverters.c,v 1.0 91/08/22 15:33:33 gnb Exp $"; 
/*
 * $Source: /export/data/sources/x/At/Plotter/RCS/AtConverters.c,v $
 * 
 * $Log:	AtConverters.c,v $
 * Revision 1.0  91/08/22  15:33:33  gnb
 * Initial revision
 * 
 * 
 */

/*

Copyright 1990,1991 by the Massachusetts Institute of Technology

All rights reserved.

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of the Massachusetts
Institute of Technology (M.I.T.) not be used in advertising or publicity
pertaining to distribution of the software without specific, written
prior permission.

M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
M.I.T. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.

*/

#include <stdio.h>
#include <string.h>
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>

#ifdef _AtDevelopment_
#include "AtConverters.h"
#include "Text.h"
#include "FontFamily.h"
#include "Plot.h"
#else
#include <At/AtConverters.h>
#include <At/Text.h>
#include <At/FontFamily.h>
#include <At/Plot.h>
#endif

extern int strcasecmp P((const char *, const char *));
extern int strncasecmp P((const char *, const char *, int));

/**********************************************************************/

static Boolean AtCvtStringToDouble (disp, args, num_args, from, to, data)
Display *disp;
XrmValue *args;
Cardinal *num_args;
XrmValue *from;
XrmValue *to;
XtPointer *data;
{
     static double value;
     extern double atof();
     Boolean Failed = False;
     
     if (*num_args != 0)
	  XtAppErrorMsg(XtDisplayToApplicationContext(disp),
			"cvtStringToDouble", "wrong Parameters", "XtToolkitError",
			"String to double conversion takes no arguments", 
			(String *)NULL, (Cardinal *)NULL);
     
     value = atof(from->addr);
     if (!to->addr) to->addr = (caddr_t) &value;
     else if (to->size < sizeof(double)) Failed = True;
     else *(double *)to->addr = value;
     to->size = sizeof(double);

     return !Failed;
}

void AtRegisterDoubleConverter()
{
     static Boolean registered = False;
     
     if (registered == False) {
	  XtSetTypeConverter(XtRString, XtRDouble,
			     AtCvtStringToDouble, NULL, 0, XtCacheAll, NULL);
	  registered = True;
     }
     *RCSid = *RCSid;		/* Keep gcc quiet */
}

/**********************************************************************/

static Boolean AtCvtStringToFontSize (disp, args, nargs, from, to, data)
Display *disp;
XrmValue *args;
Cardinal *nargs;
XrmValue *from, *to;
XtPointer *data;
{
     static int result;
     Boolean Failed = False;
     
     if (*nargs != 0)
	  XtAppErrorMsg(XtDisplayToApplicationContext(disp),
			"cvtStringToFontSize", "wrong Parameters",
			"XtToolkitError",
			"String to AtFontSize conversion takes no arguments", 
			(String *)NULL, (Cardinal *)NULL);
     
     result = AtFontStringToSize ((char*)from->addr);
     Failed = result < 0;
     if (Failed) {
	  XtDisplayStringConversionWarning(disp, from->addr, "AtFontSize");
     } else {
	  if (!to->addr) to->addr = (caddr_t) &result;
	  else if (to->size < sizeof(int)) Failed = True;
	  else *(int *)to->addr = result;
	  to->size = sizeof(int);
     } 
     return !Failed;
}

void AtRegisterFontSizeConverter()
{
     static Boolean registered = False;
     
     if (registered == False) {
	  XtSetTypeConverter(XtRString, XtRFontSize,
			     AtCvtStringToFontSize, NULL, 0,
			     XtCacheAll, NULL);
	  registered = True;
     }
}

/**********************************************************************/

static Boolean AtCvtStringToFontStyle(disp, args, nargs, from, to, dp)
Display *disp;
XrmValue *args;
Cardinal *nargs;
XrmValue *from, *to;
XtPointer *dp;
{
     static int result;
     Boolean Failed = False;

     if (*nargs != 0)
	  XtAppErrorMsg(XtDisplayToApplicationContext(disp),
			"cvtStringToFontStyle", "wrong Parameters",
			"XtToolkitError",
			"String to AtFontStyle conversion takes no arguments", 
			(String *)NULL, (Cardinal *)NULL);

     if (!strcasecmp ((char*)from->addr, "plain"))
	  result =  AtFontPLAIN;
     else if (!strcasecmp ((char*)from->addr, "bold"))
	  result =  AtFontBOLD;
     else if (!strcasecmp ((char*)from->addr, "italic"))
	  result =  AtFontITALIC;
     else if (!strcasecmp ((char*)from->addr, "bolditalic"))
	  result =  AtFontBOLDITALIC;
     else {
	  Failed = True;
     }

     if (Failed) {
	  XtDisplayStringConversionWarning(disp, from->addr, "AtFontStyle");
     } else {
	  if (!to->addr) to->addr = (caddr_t) &result;
	  else if (to->size < sizeof(int)) Failed = True;
	  else *(int *)to->addr = result;
	  to->size = sizeof(int);
     } 
     return !Failed;
}

void AtRegisterFontStyleConverter()
{
     static Boolean registered = False;
     
     if (registered == False) {
	  XtSetTypeConverter(XtRString, XtRFontStyle,
			     AtCvtStringToFontStyle, NULL, 0,
			     XtCacheAll, NULL);
	  registered = True;
     }
}

/**********************************************************************/

static Boolean AtCvtStringToJustify (dpy, args, nargs, from, to, dp)
Display *dpy;
XrmValue *args;
Cardinal *nargs;
XrmValue *from, *to;
XtPointer *dp;
{
     static int result;
     Boolean Failed = False;
     char *inp = (char *)from->addr;
     
     if (*nargs != 0)
	  XtAppErrorMsg(XtDisplayToApplicationContext(dpy),
			"cvtStringToAtjustify", "wrong Parameters",
			"XtToolkitError",
			"String to AtJustify conversion takes no arguments", 
			(String *)NULL, (Cardinal *)NULL);

     if (!strncasecmp(inp, "justify", 7)) inp += 7;
     if (!strncasecmp(inp, "atjustify", 9)) inp += 9;
     
     if (!strcasecmp (inp, "left"))
	  result =  AtTextJUSTIFY_LEFT;
     else if (!strcasecmp (inp, "top"))
	  result =  AtTextJUSTIFY_TOP;
     else if (!strcasecmp (inp, "center"))
	  result =  AtTextJUSTIFY_CENTER;
     else if (!strcasecmp (inp, "right"))
	  result = AtTextJUSTIFY_RIGHT;
     else if (!strcasecmp (inp, "bottom"))
	  result = AtTextJUSTIFY_BOTTOM;
     else {
	  Failed = True;
     }
     
     if (Failed) {
	  XtDisplayStringConversionWarning(dpy, from->addr, "AtJustify");
     } else {
	  if (!to->addr) to->addr = (caddr_t) &result;
	  else if (to->size < sizeof(int)) Failed = True;
	  else *(int *)to->addr = result;
	  to->size = sizeof(int);
     } 
     return !Failed;
}

void AtRegisterJustifyConverter()
{
     static Boolean registered = False;
     
     if (registered == False) {
	  XtSetTypeConverter(XtRString, XtRAtJustify,
			     AtCvtStringToJustify, NULL, 0,
			     XtCacheAll, NULL);
	  registered = True;
     }
}

/**********************************************************************/

static Boolean AtCvtStringToLinestyle (dpy, args, nargs, from, to, dp)
Display *dpy;
XrmValue *args;
Cardinal *nargs;
XrmValue *from, *to;
XtPointer *dp;
{
     static int result;
     Boolean Failed = False;

     if (*nargs != 0)
	  XtAppErrorMsg(XtDisplayToApplicationContext(dpy),
			"cvtStringToLinestyle", "wrong Parameters",
			"XtToolkitError",
			"String to Linestyle conversion takes no arguments", 
			(String *)NULL, (Cardinal *)NULL);
     
     if (!strcasecmp ((char*)from->addr, "linesolid"))
	  result =  LineSolid;
     else if (!strcasecmp ((char*)from->addr, "linedoubledash"))
	  result =  LineDoubleDash;
     else if (!strcasecmp ((char*)from->addr, "lineonoffdash"))
	  result =  LineOnOffDash;
     else {
	  Failed = True;
     }
     
     if (Failed) {
	  XtDisplayStringConversionWarning(dpy, from->addr,
					   "Linestyle");
     } else {
	  if (!to->addr) to->addr = (caddr_t) &result;
	  else if (to->size < sizeof(int)) Failed = True;
	  else *(int *)to->addr = result;
	  to->size = sizeof(int);
     } 
     return !Failed;
}

void AtRegisterLinestyleConverter()
{
     static Boolean registered = False;
     
     if (registered == False) {
	  XtSetTypeConverter(XtRString, XtRLinestyle,
			     AtCvtStringToLinestyle, NULL, 0,
			     XtCacheAll, NULL);
	  registered = True;
     }
}