/*
 * Datei w32_atom.c - atoms for database searches
 *
 * $Id: w32_atom.c,v 1.2 2004/05/14 10:00:35 alfie Exp $
 *
 * Program XBLAST 
 * (C) by Oliver Vogel (e-mail: m.vogel@ndh.net)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2; or (at your option)
 * any later version
 *
 * This program is distributed in the hope that it will be entertaining,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of 
 * MERCHANTABILTY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.
 * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#include "gui.h"

#include "w32_common.h"

/*
 * local constants
 */
#define ATOM_STRING_MAX  256
#define NUM_ATOMS        768
#define NUM_STATIC         8

/*
 * setup local atoms table
 */
XBBool
GUI_InitAtoms (void)
{
  InitAtomTable (NUM_ATOMS);
  return XBTrue;
} /* InitAtoms */

/*
 * convert a string to an atom
 */
XBAtom 
GUI_FormatToAtom (const char *fmt, ...)
{
  XBAtom atom;
  char string[ATOM_STRING_MAX];
  va_list argList;
#ifdef DEBUG_ATOM
  static unsigned atomCount = 0;
#endif

  assert (fmt != NULL);
  /* format string */
  va_start (argList, fmt);
  vsprintf (string, fmt, argList);
  va_end (argList);
#ifdef DEBUG_ATOM
  if (0 == FindAtom (string) ) {
    atomCount ++;
    if ( (atomCount & 0xF) == 0) {
      fprintf (stderr, "atomCount=%u\n", atomCount);
    }
  }
#endif
  atom = AddAtom (string);
  return atom;
} /* GUI_StringToAtom */

/*
 * convert a string to an atom
 */
XBAtom 
GUI_StringToAtom (const char *string)
{
#ifdef DEBUG_ATOM
  return GUI_FormatToAtom ("%s", string);
#else
  XBAtom atom;

  assert (string != NULL);
  atom = AddAtom (string);
  return atom;
#endif
} /* GUI_StringToAtom */

/*
 * convert integer to atom 
 */
XBAtom
GUI_IntToAtom (int value)
{
  return GUI_FormatToAtom ("%d", value);
} /* GUI_IntToAtom */

/*
 * return string to an atom (transient)
 */
const char *
GUI_AtomToString (XBAtom atom)
{
  static int  i = 0;
  static char string[NUM_STATIC][ATOM_STRING_MAX];

  i ++;
  if (i >= NUM_STATIC) {
    i = 0;
  }
  if (0 == GetAtomName ((unsigned short) atom, string[i], sizeof (string[i]) ) ) {
    return NULL;
  }
  return string[i];
} /* GUI_AtomToString */

/*
 * convert atom int or -1 
 */
int
GUI_AtomToInt (XBAtom atom)
{
  const char *s;
  int value;
  
  if (NULL == (s = GUI_AtomToString (atom) ) ) {
    return -1;
  }
  if (1 != sscanf (s, "%d", &value) ) {
    return -1;
  }
  return value;
} /* GUI_AtomToInt */

/*
 * end of file w32_atom.c
 */