/* bzflag
 * Copyright (c) 1993-2017 Tim Riker
 *
 * This package is free software;  you can redistribute it and/or
 * modify it under the terms of the license found in the file
 * named COPYING that should have accompanied this file.
 *
 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

// interface headers
#include "HUDuiList.h"

// common implementation headers
#include "BundleMgr.h"
#include "Bundle.h"
#include "FontManager.h"

// local implementation headers
#include "HUDui.h"

//
// HUDuiList
//

HUDuiList::HUDuiList() : HUDuiControl(), index(-1)
{
  // do nothing
}

HUDuiList::~HUDuiList()
{
  // do nothing
}

int			HUDuiList::getIndex() const
{
  return index;
}

void			HUDuiList::setIndex(int _index)
{
  if (_index < 0) index = 0;
  else if (_index >= (int)list.size()) index = list.size() - 1;
  else index = _index;
}

std::vector<std::string>&		HUDuiList::getList()
{
  return list;
}

void			HUDuiList::update()
{
  setIndex(index);
}

void			HUDuiList::createSlider(const int numValues)
{
  // create a slider with numValues options
  /* createSlider(4) does the equivalent of
     options->push_back(std::string("[O---]"));
     options->push_back(std::string("[-O--]"));
     options->push_back(std::string("[--O-]"));
     options->push_back(std::string("[---O]"));
  */
  std::vector<std::string> &options = getList();

  std::string line(numValues + 2, '-');
  line[0] = '[';
  line[numValues + 1] = ']';

  for (int i = 0; i < numValues; i++) {
    if (i > 0) line[i] = '-';
    line[i + 1] = 'O';
    options.push_back(line);
  }
}

bool			HUDuiList::doKeyPress(const BzfKeyEvent& key)
{
  if (key.ascii == '\t') {
    HUDui::setFocus(getNext());
    return true;
  }

  if (key.ascii == 0)
    switch (key.button) {
      case BzfKeyEvent::Up:
	HUDui::setFocus(getPrev());
	break;

      case BzfKeyEvent::Down:
	HUDui::setFocus(getNext());
	break;

      case BzfKeyEvent::Left:
	if (index != -1) {
	  if (--index < 0) index = list.size() - 1;
	  doCallback();
	}
	break;

      case BzfKeyEvent::Right:
	if (index != -1) {
	  if (++index >= (int)list.size()) index = 0;
	  doCallback();
	}
	break;

      case BzfKeyEvent::Home:
	if (index != -1) {
	  index = 0;
	  doCallback();
	}
	break;

      case BzfKeyEvent::End:
	if (index != -1) {
	  index = list.size() - 1;
	  doCallback();
	}
	break;

      default:
	return false;
    }

  switch (key.ascii) {
    case 13:
    case 27:
      return false;
  }

  return true;
}

bool			HUDuiList::doKeyRelease(const BzfKeyEvent&)
{
  // ignore key releases
  return false;
}

void			HUDuiList::doRender()
{
  Bundle *bdl = BundleMgr::getCurrentBundle();
  if (index != -1 && getFontFace() >= 0) {
    glColor3fv(hasFocus() ? textColor : dimTextColor);
    FontManager &fm = FontManager::instance();
    fm.drawString(getX(), getY(), 0, getFontFace(), getFontSize(), bdl->getLocalString(list[index]));
  }
}

// Local Variables: ***
// mode: C++ ***
// tab-width: 8 ***
// c-basic-offset: 2 ***
// indent-tabs-mode: t ***
// End: ***
// ex: shiftwidth=2 tabstop=8
