/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            recedge.cc
 *
 *  Wed May 21 13:23:00 CEST 2014
 *  Copyright  2005 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

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

#include <QPalette>
#include <QPaintEvent>
#include <QPainter>
#include <QGridLayout>

#define GREY 160
#define SIZE 10

RecEdge::RecEdge()
{
  idle = true;
  level = 0.0;

  QGridLayout *g = new QGridLayout();

  ul = new QLabel(); // upper left
  ul->setFixedSize(SIZE, SIZE);
  ul->setAutoFillBackground(true);

  um = new QLabel(); // upper mid
  um->setFixedHeight(SIZE);
  um->setAutoFillBackground(true);

  ur = new QLabel(); // upper right
  ur->setFixedSize(SIZE, SIZE);
  ur->setAutoFillBackground(true);

  ml = new QLabel(); // left mid
  ml->setFixedWidth(SIZE);
  ml->setAutoFillBackground(true);

  mr = new QLabel(); // right mid
  mr->setFixedWidth(SIZE);
  mr->setAutoFillBackground(true);

  bl = new QLabel(); // bottom left
  bl->setFixedSize(SIZE, SIZE);
  bl->setAutoFillBackground(true);

  bm = new QLabel(); // bottom mid
  bm->setFixedHeight(SIZE);
  bm->setAutoFillBackground(true);

  br = new QLabel(); // bottom right
  br->setFixedSize(SIZE, SIZE);
  br->setAutoFillBackground(true);

  g->addWidget(ul, 0,0, 1,1);
  g->addWidget(um, 0,1, 1,1);
  g->addWidget(ur, 0,2, 1,1);
  g->addWidget(ml, 1,0, 1,1);
  g->addWidget(mr, 1,2, 1,1);
  g->addWidget(bl, 2,0, 1,1);
  g->addWidget(bm, 2,1, 1,1);
  g->addWidget(br, 2,2, 1,1);

  g->setContentsMargins(0,0,0,0);
  g->setSpacing(0);
  setContentsMargins(0,0,0,0);

  setLayout(g);
}

void RecEdge::updateEdge()
{
  QLabel *lbls[] = {ul, um, ur, ml, mr, bl, bm, br, NULL};
  int i = 0;
  while(lbls[i]) {
    QPalette pal = lbls[i]->palette();
   
    if(idle) {
      pal.setColor(QPalette::Window, QColor(GREY, GREY, GREY));
    } else {
      pal.setColor(QPalette::Window,
                   QColor((int) ((255 - GREY) * level + GREY),
                          (int) (GREY - (GREY * level)),
                          (int) (GREY - (GREY * level))));
    }
    lbls[i]->setPalette(pal);
    
    i++;
  }
}

void RecEdge::setInnerWidget(QWidget *inner)
{
  QGridLayout *g = (QGridLayout*)layout();
  g->addWidget(inner, 1, 1, 1, 1);
}

void RecEdge::setLevel(float l)
{
  idle = false;
  level = l;
  updateEdge();
}

void RecEdge::setIdle(bool i)
{
  if(i) {
    QPalette pal = palette();
    pal.setColor(QPalette::Window, QColor(GREY, GREY, GREY));
    setPalette(pal);
  }

  idle = i;

  updateEdge();
}

void RecEdge::paintEvent(QPaintEvent *event)
{
}