o_selection.c

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/* gEDA - GPL Electronic Design Automation
 * libgeda - gEDA's library
 * Copyright (C) 1998-2010 Ales Hvezda
 * Copyright (C) 1998-2010 gEDA Contributors (see ChangeLog for details)
 *
 * 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 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */
#include <config.h>

#include <stdio.h>
#include <ctype.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif

#include "libgeda_priv.h"

#ifdef HAVE_LIBDMALLOC
#include <dmalloc.h>
#endif

SELECTION *o_selection_new( void )
{
  return (SELECTION*)geda_list_new();
}

void o_selection_add (TOPLEVEL *toplevel, SELECTION *selection, OBJECT *o_selected)
{
  if (o_selected->selected == FALSE)
  {
    o_selection_select (toplevel, o_selected);
    geda_list_add( (GedaList *)selection, o_selected );
  }
}

void o_selection_remove (TOPLEVEL *toplevel, SELECTION *selection, OBJECT *o_selected)
{
  if (o_selected == NULL) {
    fprintf(stderr, "Got NULL for o_selected in o_selection_remove\n");
    return;
  }

  if (g_list_find( geda_list_get_glist( selection ), o_selected ) != NULL) {
    o_selection_unselect (toplevel, o_selected);
    geda_list_remove( (GedaList *)selection, o_selected );
  }
}


void o_selection_print_all(const SELECTION *selection)
{
  const GList *s_current;

  s_current = geda_list_get_glist( selection );

  printf("START printing selection ********************\n");
  while(s_current != NULL) {
    if (s_current->data) {
      printf("Selected object: %d\n", ((OBJECT *)s_current->data)->sid );
    }
    s_current = g_list_next( s_current );
  }
  printf("DONE printing selection ********************\n");
  printf("\n");
}

void o_selection_select(TOPLEVEL *toplevel, OBJECT *object)
{
  if (object->selected == TRUE)
    return;

  o_emit_pre_change_notify (toplevel, object);
  object->selected = TRUE;
  o_emit_change_notify (toplevel, object);
}

void o_selection_unselect (TOPLEVEL *toplevel, OBJECT *object)
{
  if (object->selected == FALSE)
    return;

  o_emit_pre_change_notify (toplevel, object);
  object->selected = FALSE;
  o_emit_change_notify (toplevel, object);
}