QtCollider/widgets/QcLevelIndicator.h

   1 /************************************************************************
   2 *
   3 * Copyright 2010 Jakob Leben (jakob.leben@gmail.com)
   4 *
   5 * This file is part of SuperCollider Qt GUI.
   6 *
   7 * This program is free software: you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License as published by
   9 * the Free Software Foundation, either version 3 of the License, or
  10 * (at your option) any later version.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 *
  20 ************************************************************************/
  21
  22 #ifndef QC_LEVEL_INDICATOR_H
  23 #define QC_LEVEL_INDICATOR_H
  24
  25 #include "../QcHelper.h"
  26 #include "../style/style.hpp"
  27
  28 #include <QWidget>
  29 #include <QTimer>
  30
  31 class QcLevelIndicator : public QWidget, QcHelper, QtCollider::Style::Client
  32 {
  33   Q_OBJECT
  34   Q_PROPERTY( float value READ dummyFloat WRITE setValue );
  35   Q_PROPERTY( float warning READ dummyFloat WRITE setWarning );
  36   Q_PROPERTY( float critical READ dummyFloat WRITE setCritical );
  37   Q_PROPERTY( float peak READ dummyFloat WRITE setPeak );
  38   Q_PROPERTY( bool drawPeak READ dummyBool WRITE setDrawPeak );
  39   Q_PROPERTY( int ticks READ dummyInt WRITE setTicks );
  40   Q_PROPERTY( int majorTicks READ dummyInt WRITE setMajorTicks );
  41
  42 public:
  43   QcLevelIndicator();
  44   void setValue( float f ) { _value = f; update(); }
  45   void setWarning( float f ) { _warning = f; update(); }
  46   void setCritical( float f ) { _critical = f; update(); }
  47   void setPeak( float f ) { _peak = f; update(); }
  48   void setDrawPeak( bool b ) { _drawPeak = b; update(); }
  49   void setTicks( int i ) { _ticks = qMax(i,0); update(); }
  50   void setMajorTicks( int i ) { _majorTicks = qMax(i,0); update(); }
  51   virtual QSize sizeHint() const { return QSize( 25, 150 ); }
  52 private Q_SLOTS:
  53   void clipTimeout();
  54 private:
  55   void paintEvent( QPaintEvent *e );
  56   float _value;
  57   float _warning;
  58   float _critical;
  59   float _peak;
  60   bool _drawPeak;
  61   int _ticks;
  62   int _majorTicks;
  63   bool _clipped;
  64   QTimer *_clipTimer;
  65 };
  66
  67 #endif