// Copyright status: this file is in the public domain.

#include <stdlib.h>

#include "lx.h"

#include "proto.h"
#include "internal.h"

void lx_ChangeKeyboardMapping(LX_CONN *xc, int firstcode, int codes, int symspercode, const LX_KEYSYM *syms)
{
 unsigned char *req;
 int i;

 if ( (xc->flags & XCF_FAIL) ||
      (firstcode < 0) || (firstcode > 255) ||
      (codes < 0) || (codes > 255) ||
      (symspercode < 0) || (symspercode > 255) )
  { lx__bad_call(xc,"lx_ChangeKeyboardMapping");
    return;
  }
 lx__nochain(xc);
 req = malloc(8+(4*codes*symspercode));
 if (! req)
  { lx__nomem_fail(xc);
    return;
  }
 req[0] = XP_REQ_ChangeKeyboardMapping;
 req[1] = codes;
 w_card16(&req[2],2+(codes*symspercode));
 req[4] = firstcode;
 req[5] = symspercode;
 req[6] = 0; // unused
 req[7] = 0; // unused
 for (i=(codes*symspercode)-1;i>=0;i--) w_card32(req+8+(4*i),syms[i]);
 lx__send_req_free(xc,&req[0],8+(4*codes*symspercode));
}