src/YQBarGraph.h

   1 /*---------------------------------------------------------------------\
   2 |                                                                      |
   3 |                      __   __    ____ _____ ____                      |
   4 |                      \ \ / /_ _/ ___|_   _|___ \                     |
   5 |                       \ V / _` \___ \ | |   __) |                    |
   6 |                        | | (_| |___) || |  / __/                     |
   7 |                        |_|\__,_|____/ |_| |_____|                    |
   8 |                                                                      |
   9 |                               core system                            |
  10 |                                                        (C) SuSE GmbH |
  11 \----------------------------------------------------------------------/
  12
  13   File:       YQBarGraph.h
  14
  15   Author:     Stefan Hundhammer <sh@suse.de>
  16
  17 /-*/
  18
  19
  20 #ifndef YQBarGraph_h
  21 #define YQBarGraph_h
  22
  23 #include "qframe.h"
  24 #include "YBarGraph.h"
  25
  26 class QPainter;
  27
  28
  29 class YQBarGraph : public QFrame, public YBarGraph
  30 {
  31     Q_OBJECT
  32
  33 public:
  34
  35     /**
  36      * Constructor.
  37      **/
  38     YQBarGraph( YWidget * parent );
  39
  40     /**
  41      * Destructor.
  42      **/
  43     virtual ~YQBarGraph();
  44
  45     /**
  46      * Perform a visual update on the screen.
  47      *
  48      * Implemented from YBarGraph.
  49      **/
  50     virtual void doUpdate();
  51
  52     /**
  53      * Set enabled/disabled state.
  54      *
  55      * Reimplemented from YWidget.
  56      **/
  57     virtual void setEnabled( bool enabled );
  58
  59     /**
  60      * Preferred width of the widget.
  61      *
  62      * Reimplemented from YWidget.
  63      **/
  64     virtual int preferredWidth();
  65
  66     /**
  67      * Preferred height of the widget.
  68      *
  69      * Reimplemented from YWidget.
  70      **/
  71     virtual int preferredHeight();
  72
  73     /**
  74      * Set the new size of the widget.
  75      *
  76      * Reimplemented from YWidget.
  77      **/
  78     virtual void setSize( int newWidth, int newHeight );
  79
  80
  81 protected:
  82
  83     /**
  84      * Draw the contents.
  85      *
  86      * Reimplemented from QFrame.
  87      **/
  88     virtual void paintEvent( QPaintEvent * painter );
  89
  90     /**
  91      * Return one from a set of default segment background colors.
  92      **/
  93     YColor defaultSegmentColor( unsigned index );
  94
  95     /**
  96      * Return one from a set of default text colors. This text color is
  97      * guaranteed to contrast with the defaultSegmentColor with the same index.
  98      **/
  99     YColor defaultTextColor( unsigned index );
 100 };
 101
 102
 103 #endif // YQBarGraph_h