/* $XConsortium: actions.c,v 1.9 94/04/17 20:43:30 converse Exp $ */
/*

Copyright (c) 1989  X Consortium

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of the X Consortium shall
not be used in advertising or otherwise to promote the sale, use or
other dealings in this Software without prior written authorization
from the X Consortium.

*/

/*
 * actions.c - externally available procedures for xcalc
 *
 * Author:  Donna Converse, MIT X Consortium
 */

#include <X11/Intrinsic.h>
#include <setjmp.h>
#include "xcalc.h"
extern int rpn;
extern Atom wm_delete_window;
extern int pre_op();
extern void post_op(), Quit(), ringbell(), do_select();

#ifndef IEEE
extern    jmp_buf env;
extern void fail_op();
#define XCALC_PRE_OP(keynum) { if (pre_op(keynum)) return; \
		       if (setjmp (env)) {fail_op(); return;}}
#else
#define XCALC_PRE_OP(keynum) if (pre_op(keynum)) return;
#endif

/*ARGSUSED*/
void add(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kADD);
    rpn ? twof(kADD) : twoop(kADD);
    post_op();
}

/*ARGSUSED*/
void back(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kBKSP);
    bkspf();
    post_op();
}

/*ARGSUSED*/
void bell(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    ringbell();
}

/*ARGSUSED*/
void clearit(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kCLR);
    clearf();
    post_op();
}
   
/*ARGSUSED*/
void cosine(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kCOS);
    oneop(kCOS);
    post_op();
}

/*ARGSUSED*/
void decimal(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kDEC);
    decf();
    post_op();
}

/*ARGSUSED*/
void degree(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kDRG);
    drgf();
    post_op();
}

/*ARGSUSED*/
void digit(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    switch (vector[0][0])
    {
      case '1':	XCALC_PRE_OP(kONE); numeric(kONE); break;
      case '2': XCALC_PRE_OP(kTWO); numeric(kTWO); break;
      case '3': XCALC_PRE_OP(kTHREE); numeric(kTHREE); break;
      case '4': XCALC_PRE_OP(kFOUR); numeric(kFOUR); break;
      case '5': XCALC_PRE_OP(kFIVE); numeric(kFIVE); break;
      case '6': XCALC_PRE_OP(kSIX); numeric(kSIX); break;
      case '7': XCALC_PRE_OP(kSEVEN); numeric(kSEVEN); break;
      case '8': XCALC_PRE_OP(kEIGHT); numeric(kEIGHT); break;
      case '9': XCALC_PRE_OP(kNINE); numeric(kNINE); break;
      case '0': XCALC_PRE_OP(kZERO); numeric(kZERO); break;
    }
    post_op();
}

/*ARGSUSED*/
void divide(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kDIV);
    rpn  ? twof(kDIV) : twoop(kDIV);
    post_op();
}

/*ARGSUSED*/
void e(w, ev, vector, count)
    Widget	w;
    XEvent	*ev;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kE);
    oneop(kE);
    post_op();
}

/*ARGSUSED*/
void enter(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kENTR);
    entrf();
    post_op();
}

/*ARGSUSED*/
void epower(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kEXP);
    oneop(kEXP);
    post_op();
}

/*ARGSUSED*/
void equal(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kEQU);
    equf();
    post_op();
}

/*ARGSUSED*/
void exchange(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kEXC);
    oneop(kEXC);
    post_op();
}
   
/*ARGSUSED*/
void factorial(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kFACT);
    oneop(kFACT);
    post_op();
}

/*ARGSUSED*/
void inverse(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kINV);
    invf();
    post_op();
}
   
/*ARGSUSED*/
void leftParen(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kLPAR);
    lparf();
    post_op();
}
   
/*ARGSUSED*/
void logarithm(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kLOG);
    oneop(kLOG);
    post_op();
}

/*ARGSUSED*/
void multiply(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kMUL);
    rpn ? twof(kMUL) : twoop(kMUL);
    post_op();
}
   
/*ARGSUSED*/
void naturalLog(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kLN);
    oneop(kLN);
    post_op();
}
   
/*ARGSUSED*/
void negate(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kNEG);
    negf();
    post_op();
}

/*ARGSUSED*/
void nop(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    ringbell();
}

/*ARGSUSED*/
void off(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kOFF);
    offf();
    post_op();
}
   
/*ARGSUSED*/
void pi(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kPI);
    oneop(kPI);
    post_op();
}
   
/*ARGSUSED*/
void power(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kPOW);
    rpn ? twof(kPOW) : twoop(kPOW);
    post_op();
}

/*ARGSUSED*/
void quit(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    if (e->type == ClientMessage && e->xclient.data.l[0] != wm_delete_window)
	ringbell();
    else
	Quit();
}

/*ARGSUSED*/
void recall(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kRCL);
    rpn ? memf(kRCL) : oneop(kRCL);
    post_op();
}
	
/*ARGSUSED*/
void reciprocal(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kRECIP);
    oneop(kRECIP);
    post_op();
}
   
/*ARGSUSED*/
void rightParen(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kRPAR);
    rparf();
    post_op();
}
   
/*ARGSUSED*/
void roll(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kROLL);
    rollf();
    post_op();
}

/*ARGSUSED*/
void scientific(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kEE);
    eef();
    post_op();
}

/*ARGSUSED*/
void selection(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    do_select(((XButtonReleasedEvent *)e)->time);
}

/*ARGSUSED*/
void sine(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kSIN);
    oneop(kSIN);
    post_op();
}

/*ARGSUSED*/
void square(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kSQR);
    oneop(kSQR);
    post_op();
}

/*ARGSUSED*/
void squareRoot(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kSQRT);
    oneop(kSQRT);
    post_op();
}
   
/*ARGSUSED*/
void store(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kSTO);
    rpn ? memf(kSTO) : oneop(kSTO);
    post_op();
}

/*ARGSUSED*/
void subtract(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kSUB);
    rpn ? twof(kSUB) : twoop(kSUB);
    post_op();
}
   
/*ARGSUSED*/
void sum(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kSUM);
    rpn ? memf(kSUM) : oneop(kSUM);
    post_op();
}
   
/*ARGSUSED*/
void tangent(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kTAN);
    oneop(kTAN);
    post_op();
}
   
/*ARGSUSED*/
void tenpower(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(k10X);
    oneop(k10X);
    post_op();
}
   
/*ARGSUSED*/
void XexchangeY(w, e, vector, count)
    Widget	w;
    XEvent	*e;
    String	*vector;
    Cardinal	*count;
{
    XCALC_PRE_OP(kXXY);
    twof(kXXY);
    post_op();
}