QtCollider/widgets/QcSlider2D.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_SLIDER_2D
  23 #define QC_SLIDER_2D
  24
  25 #include "QcAbstractStepValue.h"
  26 #include "../QcHelper.h"
  27
  28 #include <QWidget>
  29
  30 class QcSlider2D : public QWidget, public QcHelper, public QcAbstractStepValue
  31 {
  32   Q_OBJECT
  33   Q_PROPERTY( float xValue READ xValue WRITE setXValue )
  34   Q_PROPERTY( float yValue READ yValue WRITE setYValue )
  35   Q_PROPERTY( float shiftScale READ dummyFloat WRITE setShiftScale );
  36   Q_PROPERTY( float ctrlScale READ dummyFloat WRITE setCtrlScale );
  37   Q_PROPERTY( float altScale READ dummyFloat WRITE setAltScale );
  38   Q_PROPERTY( float step READ dummyFloat WRITE setStep )
  39
  40   public:
  41     QcSlider2D();
  42     float xValue() const { return _x; }
  43     float yValue() const { return _y; }
  44     void setXValue( float x ) { setValue( QPointF( x, _y ), false ); }
  45     void setYValue( float y ) { setValue( QPointF( _x, y ), false ); }
  46     void setStep( float f ) { _step = f;}
  47     QSize sizeHint() const { return QSize(150,150); }
  48     QSize minimumSizeHint() const { return QSize(30,30); }
  49   public Q_SLOTS:
  50     void incrementX( double factor = 1.f );
  51     void decrementX( double factor = 1.f );
  52     void incrementY( double factor = 1.f );
  53     void decrementY( double factor = 1.f );
  54   Q_SIGNALS:
  55     void action();
  56     void randomize();
  57   private:
  58     QRect thumbRect();
  59     QPointF valueFromPos( const QPoint pos );
  60     void setValue( const QPointF val, bool doAction = true );
  61     void mouseMoveEvent ( QMouseEvent * );
  62     void mousePressEvent ( QMouseEvent * );
  63     void keyPressEvent ( QKeyEvent * );
  64     void paintEvent ( QPaintEvent * );
  65
  66     float _x;
  67     float _y;
  68     QSize _thumbSize;
  69     float _step;
  70 };
  71
  72 #endif