tests/customnodes/canMainWindow.h

   1 //-----------------------------------------------------------------------------
   2 // This file is a part of the Qanava software.
   3 //
   4 // \file        canMainWindow.h
   5 // \author      Benoit Autheman (benoit@libqanava.org)
   6 // \date        2005 November 11
   7 //-----------------------------------------------------------------------------
   8
   9
  10 #ifndef canMainWindow_h
  11 #define canMainWindow_h
  12
  13
  14 // Qanava headers
  15 #include "./qanGraph.h"
  16 #include "../../src/qanGraphView.h"
  17 #include "../../src/qanNodeItem.h"
  18 #include "../../src/qanStyle.h"
  19
  20 #include "ui_canMainWindow.h"
  21
  22
  23 // QT headers
  24 #include <QMainWindow>
  25 #include <QComboBox>
  26 #include <QGraphicsItem>
  27 #include <QTimer>
  28
  29
  30 //-----------------------------------------------------------------------------
  31         class MyNode : public qan::AbstractNodeItem, public QGraphicsItem
  32         {
  33                 Q_OBJECT
  34
  35         public:
  36
  37                 MyNode( qan::Node& node, qan::Style::Manager& styleManager, qan::Style& style,
  38                                 QGraphicsItem* parent, QGraphicsScene* scene,
  39                                 QPoint origin, const QString& label ) :
  40                 AbstractNodeItem( node, styleManager, &style ),
  41                 QGraphicsItem( parent, scene )
  42                 {
  43                         setFlag( QGraphicsItem::ItemIsMovable );
  44                         setZValue( 1.5 );
  45                 }
  46
  47                 virtual ~MyNode( ) { }
  48
  49                 virtual QGraphicsItem*          getGraphicsItem( ) { return static_cast< QGraphicsItem* >( this ); }
  50
  51                 QRectF          boundingRect( ) const
  52                 {
  53                         qreal adjust = 2;
  54                         return QRectF(-10 - adjust, -10 - adjust, 23 + adjust, 23 + adjust);
  55                 }
  56
  57                 void            paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
  58                 {
  59                         painter->setPen(Qt::NoPen);
  60                         painter->setBrush(Qt::darkGray);
  61                         painter->drawEllipse(-7, -7, 20, 20);
  62
  63                         QRadialGradient gradient(-3, -3, 10);
  64                         if ( option->state & QStyle::State_Sunken ) {
  65                                 gradient.setCenter(3, 3);
  66                                 gradient.setFocalPoint(3, 3);
  67                                 gradient.setColorAt(1, QColor(Qt::yellow).light(120));
  68                                 gradient.setColorAt(0, QColor(Qt::darkYellow).light(120));
  69                         } else {
  70                                 gradient.setColorAt(0, Qt::yellow);
  71                                 gradient.setColorAt(1, Qt::darkYellow);
  72                         }
  73                         painter->setBrush(gradient);
  74                         painter->setPen(QPen(Qt::black, 0));
  75                         painter->drawEllipse(-10, -10, 20, 20);
  76                 }
  77
  78                 QVariant        itemChange( GraphicsItemChange change, const QVariant& value );
  79
  80         public slots:
  81
  82                 virtual void    updateNode( )
  83                 {
  84
  85                 }
  86
  87         public:
  88
  89                 struct  Factory : public qan::AbstractNodeItem::Factory< MyNode >
  90                 {
  91                         Factory( qan::Style::Manager& styleManager ) :
  92                                 qan::AbstractNodeItem::Factory< MyNode >( 2, styleManager, false ) { }  // Factory for node of type '2', no default
  93                 };
  94         };
  95
  96
  97                 //!
  98                 /*!
  99                         \nosubgrouping
 100                 */
 101                 class MainWindow : public QMainWindow, public Ui::MainWindow
 102                 {
 103                         Q_OBJECT
 104
 105                 public:
 106
 107                         MainWindow( QWidget* parent = 0 );
 108
 109                         virtual ~MainWindow( ) { }
 110
 111                 private:
 112
 113                         MainWindow( const MainWindow& );
 114
 115                         MainWindow& operator=( const MainWindow& );
 116
 117                         QComboBox*              _cbGridType;
 118
 119                         qan::GraphView* _graphView;
 120
 121                 protected slots:
 122
 123                         void    selectNode( qan::Node* node, QPoint p );
 124
 125                         void    layoutGraph( );
 126
 127                 protected:
 128
 129                         QTimer*                                 _timer;
 130
 131                         qan::UndirectedGraph*   _layout;
 132                 };
 133 //-----------------------------------------------------------------------------
 134
 135
 136 #endif //
 137