kmid/klcdnumber.h

   1 /**************************************************************************
   2
   3     klcdnumber.h  - The KLCDNumber widget (displays a lcd number)
   4     Copyright (C) 1998  Antonio Larrosa Jimenez
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19
  20     Send comments and bug fixes to larrosa@kde.org
  21     or to Antonio Larrosa, Rio Arnoya, 10 5B, 29006 Malaga, Spain
  22
  23 ***************************************************************************/
  24 #ifndef _klcdnumber_h_
  25 #define _klcdnumber_h_
  26
  27 #include <QWidget>
  28 //Added by qt3to4:
  29 #include <QMouseEvent>
  30 #include <QTimerEvent>
  31 #include <QResizeEvent>
  32 #include <QPaintEvent>
  33
  34 class QPainter;
  35 class KTriangleButton;
  36 class QColor;
  37
  38 class KLCDNumber : public QWidget
  39 {
  40     Q_OBJECT
  41 protected:
  42     class digit {
  43 public:
  44         digit()
  45          : up(false), nw(false), ne(false), md(false),
  46            sw(false), se(false), bt(false) { }
  47         digit( bool _up, bool _nw, bool _ne,
  48                bool _md, bool _sw, bool _se, bool _bt)
  49          : up(_up), nw(_nw), ne(_ne), md(_md),
  50            sw(_sw), se(_se), bt(_bt) { }
  51         bool up;
  52         bool nw;
  53         bool ne;
  54         bool md;
  55         bool sw;
  56         bool se;
  57         bool bt;
  58     };
  59     /*
  60         up
  61         ---
  62      nw|   |ne
  63        |___|<------ md
  64        |   |
  65      sw|___|se
  66         bt
  67      */
  68
  69
  70     KLCDNumber::digit Digit[11];
  71 /*
  72 ={
  73         / 0 /    {true,true,true,false,true,true,true},
  74         / 1 /    {false,false,true,false,false,true,false},
  75         / 2 /    {true,false,true,true,true,false,true},
  76         / 3 /    {true,false,true,true,false,true,true},
  77         / 4 /    {false,true,true,true,false,true,false},
  78         / 5 /    {true,true,false,true,false,true,true},
  79         / 6 /    {true,true,false,true,true,true,true},
  80         / 7 /    {true,false,true,false,false,true,false},
  81         / 8 /    {true,true,true,true,true,true,true},
  82         / 9 /    {true,true,true,true,false,true,true},
  83         /   /    {false,false,false,false,false,false,false}
  84     };*/
  85
  86     int numDigits;
  87     bool setUserChangeValue;
  88     bool setUserDefaultValue;
  89     bool doubleclicked;
  90
  91     QColor backgcolor;
  92     QColor LCDcolor;
  93
  94     double value;
  95     double oldvalue;
  96     double defaultValue;
  97
  98     double minValue;
  99     double maxValue;
 100
 101     void drawVerticalBar(QPainter *qpaint,int x,int y,int w,int h,int d);
 102     void drawHorizBar(QPainter *qpaint,int x,int y,int w,int h,int d);
 103     void drawDigit(QPainter *qpaint,int x,int y,int w,int h,digit d);
 104
 105     void initDigits(void);
 106
 107 public:
 108     KLCDNumber(int _numDigits,QWidget *parent,const char *name);
 109     KLCDNumber(bool _setUserChangeValue,int _numDigits,QWidget *parent,const char *name);
 110
 111     void setUserSetDefaultValue(bool _userSetDefaultValue);
 112     void setDefaultValue(double v);
 113
 114     void setValue(double v);
 115     double getValue(void) { return value; }
 116     double getOldValue(void) { return oldvalue; }
 117
 118     double getMinValue(void) { return minValue;}
 119     double getMaxValue(void) { return maxValue;}
 120     void setRange(double min, double max);
 121
 122     void setLCDBackgroundColor (int r,int g,int b);
 123     void setLCDColor (int r,int g,int b);
 124
 125     void display (int v);
 126     void display (double v);
 127
 128     QSize sizeHint () const;
 129 //    QSizePolicy sizePolicy();
 130
 131 protected:
 132
 133     virtual void paintEvent ( QPaintEvent *e );
 134     virtual void resizeEvent ( QResizeEvent *e);
 135     virtual void mouseDoubleClickEvent (QMouseEvent *e);
 136     virtual void mousePressEvent (QMouseEvent *e);
 137     virtual void timerEvent(QTimerEvent *e);
 138     void defaultValueClicked();
 139
 140     KTriangleButton *downBtn;
 141     KTriangleButton *upBtn;
 142
 143
 144
 145 public slots:
 146
 147     void decreaseValue();
 148     void increaseValue();
 149     void decreaseValueFast();
 150     void increaseValueFast();
 151
 152 signals:
 153
 154     void valueChanged(double v);
 155
 156 };
 157
 158 #endif