/* Jinete - a GUI library
 * Copyright (C) 2003-2009 David Capello.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *   * Neither the name of the author nor the names of its contributors may
 *     be used to endorse or promote products derived from this software
 *     without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <assert.h>
#include <vector>

#include "jinete/jmanager.h"
#include "jinete/jtheme.h"
#include "jinete/jwidget.h"
#include "jinete/jwindow.h"

static std::vector<JWidget> widgets;

JWidget _ji_get_widget_by_id(JID widget_id)
{
  assert((widget_id >= 0) && (widget_id < widgets.size()));

  return widgets[widget_id];
}

JWidget* _ji_get_widget_array(int* n)
{
  *n = widgets.size();
  return &widgets.front();
}

void _ji_add_widget(JWidget widget)
{
  JID widget_id;

  // first widget
  if (widgets.empty()) {
    widgets.resize(2);

    // id=0 no widget
    widgets[0] = NULL;

    // id>0 all widgets
    widgets[1] = widget;
    widgets[1]->id = widget_id = 1;
  }
  else {
    // find a free slot
    for (widget_id=1; widget_id<widgets.size(); widget_id++) {
      // is it free?
      if (widgets[widget_id] == NULL)
	break;
    }

    // we need space for other widget more?
    if (widget_id == widgets.size())
      widgets.resize(widgets.size()+1);

    widgets[widget_id] = widget;
    widgets[widget_id]->id = widget_id;
  }
}

void _ji_remove_widget(JWidget widget)
{
  assert_valid_widget(widget);

  widgets[widget->id] = NULL;
}

bool _ji_is_valid_widget(JWidget widget)
{
  return (widget &&
	  widget->id >= 0 &&
	  widget->id < widgets.size() &&
	  widgets[widget->id] &&
	  widgets[widget->id]->id == widget->id);
}

void _ji_set_font_of_all_widgets(struct FONT *f)
{
  int c;

  /* first of all, we have to set the font to all the widgets */
  for (c=0; c<widgets.size(); c++)
    if (_ji_is_valid_widget(widgets[c]))
      widgets[c]->font(f);

  /* then we can reinitialize the theme of each widget */
  for (c=0; c<widgets.size(); c++)
    if (_ji_is_valid_widget(widgets[c]))
      jwidget_init_theme(widgets[c]);

  /* remap the windows */
  for (c=0; c<widgets.size(); c++)
    if (_ji_is_valid_widget(widgets[c])) {
      if (widgets[c]->type == JI_WINDOW)
	jwindow_remap(widgets[c]);
    }

  /* refresh the screen */
  jmanager_refresh_screen();
}