//   rdtransportbutton.cpp
//
//   An audio transport button widget.
//
//   (C) Copyright 2002,2018 Fred Gleason <fredg@paravelsystems.com>
//
//   This program is free software; you can redistribute it and/or modify
//   it under the terms of the GNU Library General Public License 
//   version 2 as published by the Free Software Foundation.
//
//   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., 675 Mass Ave, Cambridge, MA 02139, USA.
//

#include <q3pointarray.h>
#include <qbitmap.h>
#include <qpainter.h>
#include <qpalette.h>
#include <qpixmap.h>
#include <qpushbutton.h>
#include <qtimer.h>

#include "rdtransportbutton.h"

RDTransportButton::RDTransportButton(RDTransportButton::TransType type,
				     QWidget *parent)
  :  QPushButton(parent)
{
  button_type=type;
  button_state=RDTransportButton::Off;
  on_color=QColor(RDTRANSPORTBUTTON_DEFAULT_ON_COLOR);
  accent_color=QColor(colorGroup().shadow());
  on_cap=new QPixmap();
  drawOnCap();
  off_cap=new QPixmap();
  drawOffCap();
  setPixmap(*off_cap);
  setFocusPolicy(Qt::NoFocus);

  flash_timer=new QTimer(this,"flash_timer");
  connect(flash_timer,SIGNAL(timeout()),this,SLOT(flashClock()));
  flash_state=false;
}


RDTransportButton::TransType RDTransportButton::getType() const
{
  return button_type;
}


void RDTransportButton::setType(RDTransportButton::TransType type)
{
  button_type=type;
}


QColor RDTransportButton::onColor() const
{
  return on_color;
}


void RDTransportButton::setOnColor(QColor color)
{
  if(color!=on_color) {
    on_color=color;
    drawOnCap();
    drawOffCap();
    updateCaps();
  }
}

QColor RDTransportButton::accentColor() const
{
  return accent_color;
}


void RDTransportButton::setAccentColor(QColor color)
{
  if(color!=accent_color) {
    accent_color=color;
    drawOnCap();
    drawOffCap();
    updateCaps();
  }
}

void RDTransportButton::setState(RDTransportButton::TransState state)
{
  QKeySequence a=accel();
  button_state=state;
  switch(button_state) {
      case RDTransportButton::On:
	flashOff();
	if(isEnabled()) {
	  setPixmap(*on_cap);
	}
	break;
      case RDTransportButton::Off:
	flashOff();
	if(isEnabled()) {
	  setPixmap(*off_cap);
	}
	break;
      case RDTransportButton::Flashing:
	if(isEnabled()) {
	  flashOn();
	}
	break;
  }
  setAccel(a);
}


void RDTransportButton::on()
{
  setState(RDTransportButton::On);
}


void RDTransportButton::off()
{
  setState(RDTransportButton::Off);
}


void RDTransportButton::flash()
{
  setState(RDTransportButton::Flashing);
}


void RDTransportButton::resizeEvent(QResizeEvent *event)
{
  QKeySequence a=accel();
  drawOnCap();
  drawOffCap();
  switch(button_state) {
      case RDTransportButton::Off:
	setPixmap(*off_cap);
	break;
      case RDTransportButton::On:
	setPixmap(*on_cap);
	break;
      default:
	setPixmap(*off_cap);
	break;
  }
  setAccel(a);
}


void RDTransportButton::enabledChange(bool oldEnabled)
{
  QKeySequence a=accel();
  if(isEnabled()&&!oldEnabled) {
    setState(button_state);
    update();
  }
  if(!isEnabled()&&oldEnabled) {
//    setPixmap(*grey_cap);
    update();
    setAccel(a);
  }
}
 

void RDTransportButton::flashClock()
{
  QKeySequence a=accel();
  if(flash_state) {
    flash_state=false;
    setPixmap(*off_cap);
  }
  else {
    flash_state=true;
    setPixmap(*on_cap);
  }
  setAccel(a);
}


void RDTransportButton::updateCaps()
{
  switch(button_state) {
      case RDTransportButton::On:
	setPixmap(*on_cap);
	break;

      case RDTransportButton::Flashing:
	if(flash_state) {
	  setPixmap(*on_cap);
	}
	else {
	  setPixmap(*off_cap);
	}
	break;

      case RDTransportButton::Off:
	setPixmap(*off_cap);
	break;
  }
}


void RDTransportButton::drawMask(QPixmap *cap)
{
  Q3PointArray triangle=Q3PointArray(3);
  QPainter b;
  QBitmap *bitmap=new QBitmap(capSize());
  int edge;

  if(capSize().height()<capSize().width()) {
    edge=capSize().height();
  }
  else {
    edge=capSize().width();
  }
  cap->resize(capSize());
  b.begin(bitmap);
  b.fillRect(0,0,capSize().width(),capSize().height(),QColor(Qt::color0));
  b.setPen(QColor(Qt::color1));
  b.setBrush(QColor(Qt::color1));

  switch(button_type) {
  case RDTransportButton::Play:
    triangle.setPoint(0,capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    b.drawPolygon(triangle);
    break;

  case RDTransportButton::Stop:
    b.fillRect(capSize().width()/2-edge*3/10,capSize().height()/2-edge*3/10,
	       edge*3/5,edge*3/5,QColor(Qt::color1));
    break;

  case RDTransportButton::Record:
    b.drawEllipse(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
		  (3*edge)/5,(3*edge)/5);
    break;

  case RDTransportButton::FastForward:
    triangle.setPoint(0,capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    b.drawPolygon(triangle);
    triangle.setPoint(0,capSize().width()/2,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2,capSize().height()/2+(3*edge)/10);
    b.drawPolygon(triangle);
    break;

  case RDTransportButton::Rewind:
    triangle.setPoint(0,capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2+(3*edge)/10,capSize().height()/2+(3*edge)/10);
    b.drawPolygon(triangle);
    triangle.setPoint(0,capSize().width()/2,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2-(3*edge)/10,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2,capSize().height()/2+(3*edge)/10);
    b.drawPolygon(triangle);
    break;

  case RDTransportButton::Eject:
    triangle.setPoint(0,capSize().width()/2,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,capSize().height()/2);
    b.drawPolygon(triangle);
    b.fillRect(capSize().width()/2-(3*edge)/10,capSize().height()/2+edge/10,
	       (3*edge)/5,edge/5,QColor(Qt::color1));
    break;

  case RDTransportButton::Pause:
    b.fillRect(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       (3*edge)/15,(3*edge)/5,QColor(Qt::color1));
    b.fillRect(capSize().width()/2+(3*edge)/30,capSize().height()/2-(3*edge)/10,
	       (3*edge)/15,(3*edge)/5,QColor(Qt::color1));
    break;

  case RDTransportButton::PlayFrom:
    b.fillRect(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       3,(3*edge)/5,QBrush(Qt::color1));
    triangle.setPoint(0,capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10+1,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(3*edge)/10);
    b.drawPolygon(triangle);
    break;

  case RDTransportButton::PlayBetween:
    b.fillRect(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       3,(3*edge)/5,QBrush(Qt::color1));
    b.fillRect(capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       3,(3*edge)/5,QBrush(Qt::color1));
    triangle.setPoint(0,capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(2*edge)/10+1,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(3*edge)/10);
    b.drawPolygon(triangle);
    break;

  case RDTransportButton::Loop:
    /*
      b.moveTo(width()/2-(2*edge)/10+1,height()/2+(edge)/4);
      b.moveTo(width()/2+(edge)/10+1,height()/2-edge/10);
      b.moveTo(width()/2-(2*edge)/10+1,height()/2+(edge)/4);
    */
    b.drawArc(capSize().width()/6,capSize().height()/2-edge/9,2*capSize().width()/3,
	      capSize().height()/3+edge/10,1440,5760);
    triangle.setPoint(0,capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(edge)/4);
    triangle.setPoint(1,capSize().width()/2+(edge)/10+1,capSize().height()/2-edge/10);
    triangle.setPoint(2,capSize().width()/2-(2*edge)/10+1,capSize().height()/2+edge/20);
    b.drawPolygon(triangle);
    break;

  case RDTransportButton::Up:
    triangle.setPoint(0,capSize().width()/2,(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10,capSize().height()-(3*edge)/10);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,capSize().height()-(3*edge)/10);
    b.drawPolygon(triangle);
    break;

  case RDTransportButton::Down:
    triangle.setPoint(0,capSize().width()/2,capSize().height()-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10,(3*edge)/10);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,(3*edge)/10);
    b.drawPolygon(triangle);
    break;

  case RDTransportButton::PlayTo:
    b.fillRect(capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       3,(3*edge)/5,QBrush(Qt::color1));
    triangle.setPoint(0,capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(2*edge)/10+1,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    b.drawPolygon(triangle);
    break;

  default:
    b.fillRect(0,0,capSize().width(),capSize().height(),QColor(Qt::color1));
  }
  b.end();
  cap->setMask(*bitmap);

  delete bitmap;
}


void RDTransportButton::drawOnCap()
{
  QPainter p;
  Q3PointArray triangle=Q3PointArray(3);
  int edge;

  if(capSize().height()<capSize().width()) {
    edge=capSize().height();
  }
  else {
    edge=capSize().width();
  }
  drawMask(on_cap);
  p.begin(on_cap);
  p.setPen(on_color);
  p.setBrush(on_color);
  switch(button_type) {
  case RDTransportButton::Play:
    triangle.setPoint(0,capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2+(3*edge)/10,capSize().height()/2);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()/2,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    break;

  case RDTransportButton::Stop:
    p.fillRect(capSize().width()/2-edge*3/10,capSize().height()/2-edge*3/10,
    	       edge*3/5,edge*3/5,QColor(on_color));
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-edge*3/10,capSize().height()/2+edge*3/10,
	       capSize().width()/2-edge*3/10,capSize().height()/2-edge*3/10);
    p.drawLine(capSize().width()/2-edge*3/10,capSize().height()/2-edge*3/10,
	       capSize().width()/2+edge*3/10,capSize().height()/2-edge*3/10);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+edge*3/10,capSize().height()/2-edge*3/10,
	       capSize().width()/2+edge*3/10,capSize().height()/2+edge*3/10);
    p.drawLine(capSize().width()/2+edge*3/10,capSize().height()/2+edge*3/10,
	       capSize().width()/2-edge*3/10,capSize().height()/2+edge*3/10);
    break;

  case RDTransportButton::Record:
    p.setPen(QColor(Qt::red));
    p.setBrush(QColor(Qt::red));
    p.drawEllipse(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
		  (3*edge)/5,(3*edge)/5);
    break;

  case RDTransportButton::FastForward:
    triangle.setPoint(0,capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2,capSize().height()/2);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2,capSize().height()/2,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    triangle.setPoint(0,capSize().width()/2,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2+(3*edge)/10,capSize().height()/2);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()/2,
	       capSize().width()/2,capSize().height()/2+(3*edge)/10);
    break;

  case RDTransportButton::Rewind:
    triangle.setPoint(0,capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2+(3*edge)/10,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2,capSize().height()/2);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2,capSize().height()/2,
	       capSize().width()/2+(3*edge)/10,capSize().height()/2+(3*edge)/10);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(0,capSize().width()/2,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2-(3*edge)/10,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2,
	       capSize().width()/2,capSize().height()/2+(3*edge)/10);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2,capSize().height()/2-(3*edge)/10);
    break;

  case RDTransportButton::Eject:
    triangle.setPoint(0,capSize().width()/2,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,capSize().height()/2);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2,
	       capSize().width()/2,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2+(3*edge)/10,capSize().height()/2);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()/2,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2);
    p.fillRect(capSize().width()/2-(3*edge)/10,capSize().height()/2+edge/10,
	       (3*edge)/5,edge/5,on_color);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2+edge/10+edge/5,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2+edge/10);
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2+edge/10,
	       capSize().width()/2+(3*edge)/10,capSize().height()/2+edge/10);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()/2+edge/10,
	       capSize().width()/2+(3*edge)/10,capSize().height()/2+edge/10+edge/5);
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()/2+edge/10+edge/5,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2+edge/10+edge/5);
    break;

  case RDTransportButton::Pause:
    p.fillRect(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       (3*edge)/15,(3*edge)/5,on_color);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2-(3*edge)/10+(3*edge)/15,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2-(3*edge)/10+(3*edge)/15,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2-(3*edge)/10+(3*edge)/15,capSize().height()/2+(3*edge)/10);
    p.drawLine(capSize().width()/2-(3*edge)/10+(3*edge)/15,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    p.fillRect(capSize().width()/2+(3*edge)/30,capSize().height()/2-(3*edge)/10,
	       (3*edge)/15,(3*edge)/5,on_color);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2+(3*edge)/30,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2+(3*edge)/30,capSize().height()/2-(3*edge)/10);
    p.drawLine(capSize().width()/2+(3*edge)/30,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2+(3*edge)/10,capSize().height()/2+(3*edge)/10);
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2+(3*edge)/30,capSize().height()/2+(3*edge)/10);
    break;

  case RDTransportButton::PlayFrom:
    p.fillRect(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       3,(3*edge)/5,QBrush(accent_color));
    triangle.setPoint(0,capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10+1,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2+(3*edge)/10+1,capSize().height()/2);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(3*edge)/10+1,capSize().height()/2,
	       capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(3*edge)/10);
    break;

  case RDTransportButton::PlayBetween:
    p.fillRect(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       3,(3*edge)/5,QBrush(accent_color));
    p.fillRect(capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       3,(3*edge)/5,QBrush(accent_color));
    triangle.setPoint(0,capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(2*edge)/10+1,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2+(2*edge)/10+1,capSize().height()/2);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(2*edge)/10+1,capSize().height()/2,
	       capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(3*edge)/10);
    break;

  case RDTransportButton::Loop:
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(edge)/4,
	       capSize().width()/2+(edge)/10+1,capSize().height()/2-edge/10);
    p.setPen(QColor(colorGroup().dark()));
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(edge)/10+1,capSize().height()/2-edge/10,
	       capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(edge)/4);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawArc(capSize().width()/6,capSize().height()/2-edge/9,2*capSize().width()/3,
	      capSize().height()/3+edge/10,1440,5760);
    triangle.setPoint(0,capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(edge)/4);
    triangle.setPoint(1,capSize().width()/2+(edge)/10+1,capSize().height()/2-edge/10);
    triangle.setPoint(2,capSize().width()/2-(2*edge)/10+1,capSize().height()/2+edge/20);
    p.drawPolygon(triangle);
    break;

  case RDTransportButton::Up:
    triangle.setPoint(0,capSize().width()/2,(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10,capSize().height()-(3*edge)/10);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,capSize().height()-(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()-(3*edge)/10,
	       capSize().width()/2,(3*edge)/10);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2,(3*edge)/10,
	       capSize().width()/2+(3*edge)/10,capSize().height()-(3*edge)/10);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()-(3*edge)/10,
	       capSize().width()/2-(3*edge)/10,capSize().height()-(3*edge)/10);
    break;

  case RDTransportButton::Down:
    triangle.setPoint(0,capSize().width()/2,capSize().height()-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10,(3*edge)/10);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2-(3*edge)/10,(3*edge)/10,
	       capSize().width()/2,capSize().height()-(3*edge)/10);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2,capSize().height()-(3*edge)/10,
	       capSize().width()/2+(3*edge)/10,(3*edge)/10);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2+(3*edge)/10,(3*edge)/10,
	       capSize().width()/2-(3*edge)/10,(3*edge)/10);
    break;

  case RDTransportButton::PlayTo:
    p.fillRect(capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       3,(3*edge)/5,QBrush(accent_color));
    triangle.setPoint(0,capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(2*edge)/10+1,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2+(2*edge)/10+1,capSize().height()/2);
    
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(2*edge)/10+1,capSize().height()/2,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    break;
  }  
  p.end();
}


void RDTransportButton::drawOffCap()
{
  QPainter p;
  Q3PointArray triangle=Q3PointArray(3);
  int edge;

  if(capSize().height()<capSize().width()) {
    edge=capSize().height();
  }
  else {
    edge=capSize().width();
  }
  drawMask(off_cap);
  p.begin(off_cap);
  p.setPen(QColor(Qt::black));
  p.setBrush(QColor(Qt::black));
  switch(button_type) {
  case RDTransportButton::Play:
    triangle.setPoint(0,capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2+(3*edge)/10,capSize().height()/2);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()/2,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    break;

  case RDTransportButton::Stop:
    p.fillRect(capSize().width()/2-edge*3/10,capSize().height()/2-edge*3/10,
	       edge*3/5,edge*3/5,QColor(Qt::black));
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-edge*3/10,capSize().height()/2+edge*3/10,
	       capSize().width()/2-edge*3/10,capSize().height()/2-edge*3/10);
    p.drawLine(capSize().width()/2-edge*3/10,capSize().height()/2-edge*3/10,
	       capSize().width()/2+edge*3/10,capSize().height()/2-edge*3/10);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+edge*3/10,capSize().height()/2-edge*3/10,
	       capSize().width()/2+edge*3/10,capSize().height()/2+edge*3/10);
    p.drawLine(capSize().width()/2+edge*3/10,capSize().height()/2+edge*3/10,
	       capSize().width()/2-edge*3/10,capSize().height()/2+edge*3/10);
    break;

  case RDTransportButton::Record:
    p.setPen(QColor(Qt::darkRed));
    p.setBrush(QColor(Qt::darkRed));
    p.drawEllipse(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
		  (3*edge)/5,(3*edge)/5);
    break;

  case RDTransportButton::FastForward:
    triangle.setPoint(0,capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2,capSize().height()/2);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2,capSize().height()/2,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    triangle.setPoint(0,capSize().width()/2,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2+(3*edge)/10,capSize().height()/2);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()/2,
	       capSize().width()/2,capSize().height()/2+(3*edge)/10);
    break;
    
  case RDTransportButton::Rewind:
    triangle.setPoint(0,capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2+(3*edge)/10,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2,capSize().height()/2);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2,capSize().height()/2,
	       capSize().width()/2+(3*edge)/10,capSize().height()/2+(3*edge)/10);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(0,capSize().width()/2,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2-(3*edge)/10,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2,
	       capSize().width()/2,capSize().height()/2+(3*edge)/10);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2,capSize().height()/2-(3*edge)/10);
    break;

  case RDTransportButton::Eject:
    triangle.setPoint(0,capSize().width()/2,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,capSize().height()/2);
    p.drawPolygon(triangle);
    p.fillRect(capSize().width()/2-(3*edge)/10,capSize().height()/2+edge/10,
	       (3*edge)/5,edge/5,QColor(Qt::black));		   
    break;
    
  case RDTransportButton::Pause:
    p.fillRect(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       (3*edge)/15,(3*edge)/5,QColor(Qt::black));
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2-(3*edge)/10+(3*edge)/15,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2-(3*edge)/10+(3*edge)/15,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2-(3*edge)/10+(3*edge)/15,capSize().height()/2+(3*edge)/10);
    p.drawLine(capSize().width()/2-(3*edge)/10+(3*edge)/15,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    p.fillRect(capSize().width()/2+(3*edge)/30,capSize().height()/2-(3*edge)/10,
	       (3*edge)/15,(3*edge)/5,QColor(Qt::black));
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2+(3*edge)/30,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2+(3*edge)/30,capSize().height()/2-(3*edge)/10);
    p.drawLine(capSize().width()/2+(3*edge)/30,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2+(3*edge)/10,capSize().height()/2+(3*edge)/10);
    p.drawLine(capSize().width()/2+(3*edge)/10,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2+(3*edge)/30,capSize().height()/2+(3*edge)/10);
    break;

  case RDTransportButton::PlayFrom:
    p.fillRect(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       3,(3*edge)/5,QBrush(accent_color));
    triangle.setPoint(0,capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10+1,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2+(3*edge)/10+1,capSize().height()/2);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(3*edge)/10+1,capSize().height()/2,
	       capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(3*edge)/10);
    break;

  case RDTransportButton::PlayBetween:
    p.fillRect(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       3,(3*edge)/5,QBrush(accent_color));
    p.fillRect(capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       3,(3*edge)/5,QBrush(accent_color));
    triangle.setPoint(0,capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(2*edge)/10+1,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2+(2*edge)/10+1,capSize().height()/2);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(2*edge)/10+1,capSize().height()/2,
	       capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(3*edge)/10);
    break;

  case RDTransportButton::Loop:
    triangle.setPoint(0,capSize().width()/2-(2*edge)/10+1,capSize().height()/2-(edge)/4);
    triangle.setPoint(1,capSize().width()/2+(edge)/10+1,capSize().height()/2-edge/10);
    triangle.setPoint(2,capSize().width()/2-(2*edge)/10+1,capSize().height()/2+edge/20);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(edge)/4,
	       capSize().width()/2+(edge)/10+1,capSize().height()/2-edge/10);
    p.setPen(QColor(colorGroup().dark()));
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(edge)/10+1,capSize().height()/2-edge/10,
	       capSize().width()/2-(2*edge)/10+1,capSize().height()/2+(edge)/4);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawArc(capSize().width()/6,capSize().height()/2-edge/9,2*capSize().width()/3,
	      capSize().height()/3+edge/10,1440,5760);
    break;

  case RDTransportButton::Up:
    triangle.setPoint(0,capSize().width()/2,(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10,capSize().height()-(3*edge)/10);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,capSize().height()-(3*edge)/10);
    p.drawPolygon(triangle);
    break;

  case RDTransportButton::Down:
    triangle.setPoint(0,capSize().width()/2,capSize().height()-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(3*edge)/10,(3*edge)/10);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,(3*edge)/10);
    p.drawPolygon(triangle);
    break;

  case RDTransportButton::PlayTo:
    p.fillRect(capSize().width()/2+(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       3,(3*edge)/5,QBrush(accent_color));
    triangle.setPoint(0,capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    triangle.setPoint(1,capSize().width()/2+(2*edge)/10+1,capSize().height()/2);
    triangle.setPoint(2,capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    p.drawPolygon(triangle);
    p.setPen(QColor(colorGroup().shadow()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10);
    p.setPen(QColor(colorGroup().dark()));
    p.drawLine(capSize().width()/2-(3*edge)/10,capSize().height()/2-(3*edge)/10,
	       capSize().width()/2+(2*edge)/10+1,capSize().height()/2);
    p.setPen(QColor(colorGroup().light()));
    p.drawLine(capSize().width()/2+(2*edge)/10+1,capSize().height()/2,
	       capSize().width()/2-(3*edge)/10,capSize().height()/2+(3*edge)/10);
    break;
  }  
  p.end();
}

void RDTransportButton::flashOn()
{
  if(!flash_timer->isActive()) {
    flash_timer->start(500);
  }
}


void RDTransportButton::flashOff()
{
  if(flash_timer->isActive()) {
    flash_timer->stop();
  }
}


QSize RDTransportButton::capSize() const
{
  if(text().isEmpty()) {
    return size();
  }
  return QSize(size().width()/2,size().height()/2);
}