QtCollider/widgets/QcNumberBox.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_NUMBER_BOX
  23 #define QC_NUMBER_BOX
  24
  25 #include <QLineEdit>
  26
  27 #include "QcAbstractStepValue.h"
  28 #include "../QcHelper.h"
  29
  30 #include <QDoubleValidator>
  31
  32 class QcNumberBox : public QLineEdit, QcHelper, QcAbstractStepValue
  33 {
  34   Q_OBJECT
  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
  39   Q_PROPERTY( double minimum READ minimum WRITE setMinimum );
  40   Q_PROPERTY( double maximum READ maximum WRITE setMaximum );
  41   Q_PROPERTY( int decimals READ decimals WRITE setDecimals );
  42   Q_PROPERTY( int maxDecimals READ maxDecimals WRITE setMaxDecimals );
  43   Q_PROPERTY( int minDecimals READ minDecimals WRITE setMinDecimals );
  44   Q_PROPERTY( double value READ value WRITE setValue );
  45   Q_PROPERTY( int valueType READ valueType );
  46   Q_PROPERTY( QString text READ text WRITE setTextValue );
  47
  48   Q_PROPERTY( float step READ dummyFloat WRITE setStep )
  49   Q_PROPERTY( float scrollStep READ dummyFloat WRITE setScrollStep )
  50   Q_PROPERTY( bool scroll READ dummyBool WRITE setScroll );
  51
  52   Q_PROPERTY( QColor normalColor READ dummyColor WRITE setTextColor );
  53   Q_PROPERTY( QColor editingColor READ dummyColor WRITE setEditedTextColor );
  54
  55   public:
  56
  57     enum ValueType {
  58       Number,
  59       Infinite,
  60       InfiniteNegative,
  61       NaN,
  62       Text
  63     };
  64
  65     QcNumberBox();
  66     void setStep( float step_ ) { step = step_;}
  67     void setScrollStep( float step_ ) { scrollStep = step_; }
  68     void setScroll( bool b ) { scroll = b; }
  69     void setLocked( bool );
  70     void setTextColor( const QColor& c );
  71     void setEditedTextColor( const QColor& c );
  72     void setValue( double );
  73     Q_INVOKABLE void setInfinite( bool positive = true );
  74     Q_INVOKABLE void setNaN();
  75     void setTextValue( const QString & );
  76     double value() const;
  77     int valueType() const { return (int) _valueType; }
  78     double minimum() const { return _validator->bottom(); }
  79     double maximum() const { return _validator->top(); }
  80     void setMinimum( double );
  81     void setMaximum( double );
  82     int decimals() const { return maxDecimals(); }
  83     int minDecimals() const { return _minDec; }
  84     int maxDecimals() const { return _maxDec; }
  85     void setDecimals( int );
  86     void setMinDecimals( int );
  87     void setMaxDecimals( int );
  88
  89   public Q_SLOTS:
  90     void increment( double factor );
  91     void decrement( double factor );
  92
  93   Q_SIGNALS:
  94     void scrolled( int steps );
  95     void valueChanged();
  96     void action();
  97
  98   private Q_SLOTS:
  99     void onEditingFinished();
 100     void updateText();
 101   protected:
 102     virtual void keyPressEvent ( QKeyEvent * event );
 103     virtual void mouseDoubleClickEvent ( QMouseEvent * event );
 104     virtual void mousePressEvent ( QMouseEvent * event );
 105     virtual void mouseMoveEvent ( QMouseEvent * event );
 106     virtual void wheelEvent ( QWheelEvent * event );
 107   private:
 108     void stepBy( int steps, float stepSize );
 109     double roundedVal( double val );
 110     QString stringForVal( double val );
 111     void updateTextColor();
 112     inline void doAction();
 113
 114     bool scroll;
 115     int lastPos;
 116     QColor editedTextColor;
 117     QColor normalTextColor;
 118
 119     QDoubleValidator *_validator;
 120     float step;
 121     float scrollStep;
 122     float dragDist;
 123     double _value;
 124     ValueType _valueType;
 125     int _minDec;
 126     int _maxDec;
 127 };
 128
 129 #if 0
 130 class NumberBoxWidget : public QDoubleSpinBox
 131 {
 132   friend class SCNumberBox;
 133
 134   Q_OBJECT
 135
 136   public:
 137     NumberBoxWidget( );
 138     void setScroll( bool b );
 139   private Q_SLOTS:
 140     void stepBy( int steps );
 141     void scrollBy( int steps );
 142     void onEditingFinished();
 143   protected:
 144     virtual void keyPressEvent ( QKeyEvent * event );
 145   private:
 146     void stepBy( int steps, float stepSize );
 147     SCAbstractStepValue *modifier;
 148     float scrollStep;
 149 };
 150 #endif
 151
 152 #endif