/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            checkbox.cc
 *
 *  Sat Nov 26 15:07:44 CET 2011
 *  Copyright 2011 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of CamSync.
 *
 *  CamSync 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.
 *
 *  CamSync 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 CamSync; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#include "checkbox.h"

#include "painter.h"

#include <stdio.h>

namespace GUI {

CheckBox::CheckBox(Widget *parent)
  : Widget(parent)
  , bg_on(":switch_back_on.png")
  , bg_off(":switch_back_off.png")
  , knob(":switch_front.png")
  , state(false)
  , middle(false)
{
}

void CheckBox::buttonEvent(ButtonEvent *e)
{
  if(e->direction == -1 || e->doubleclick) {
    middle = false;
    internalSetChecked(!state);
  } else {
    middle = true;
  }

  repaintEvent(NULL);
}

void CheckBox::setText(std::string text)
{
  _text = text;
  repaintEvent(NULL);
}

void CheckBox::keyEvent(KeyEvent *e)
{
  if(e->keycode == KeyEvent::KEY_CHARACTER && e->text == " ") {
    if(e->direction == -1) {
      middle = false;
      internalSetChecked(!state);
    } else {
      middle = true;
    }

    repaintEvent(NULL);
  }
}

void CheckBox::repaintEvent(RepaintEvent *e)
{
  Painter p(this);

  p.clear();

  if(state) {
    p.drawImage(0, (knob.height() - bg_on.height()) / 2, &bg_on);
    if(middle) p.drawImage((bg_on.width() - knob.width()) / 2 + 1, 0, &knob);
    else p.drawImage(bg_on.width() - 40 + 2, 0, &knob);
  } else {
    p.drawImage(0, (knob.height() - bg_off.height()) / 2, &bg_off);
    if(middle) p.drawImage((bg_on.width() - knob.width()) / 2 + 1, 0, &knob);
    else p.drawImage(0, 0, &knob);
  }
}

bool CheckBox::checked()
{
  return state;
}

void CheckBox::setChecked(bool c)
{
  internalSetChecked(c);
}

void CheckBox::internalSetChecked(bool checked)
{
  if(checked == state) {
    return;
  }

  state = checked;
  stateChangedNotifier.notify(state);
  repaintEvent(NULL);
}

} // GUI::