src/gui/widgets/BasicBlockWidget.hxx

   1 #ifndef INCLUDE__BasicBlockWidget_hxx
   2 #define INCLUDE__BasicBlockWidget_hxx
   3
   4 #include "gui/qt.hxx"
   5 #include "disassembler/BasicBlock.hxx"
   6 #include <vector>
   7 #include <cassert>
   8 #include <tuple>
   9 #include <array>
  10
  11 class Mainwindow;
  12
  13 class BasicBlockWidget : public QObject, public QGraphicsItem
  14 {
  15         Q_OBJECT
  16 public:
  17         BasicBlockWidget(const QString& name, BasicBlock * block, Mainwindow * mainwindow);
  18
  19         void addItem(uint8_t* bytes, size_t num_bytes, QString line, const QString& href);
  20
  21         QRectF boundingRect() const  {
  22                 qreal penWidth = 1;
  23                 QRectF result(- penWidth / 2, - penWidth / 2,
  24                               width + penWidth, height + penWidth);
  25                 return result;
  26         }
  27
  28         void mouseMoveEvent(QGraphicsSceneMouseEvent * event) {
  29                 QGraphicsItem::mouseMoveEvent(event);
  30                 scene()->update();
  31         }
  32
  33         QPointF getEntry() const {
  34                 return mapToScene(QPointF(width/2, 0));
  35         }
  36
  37         std::array<QPointF, 3> getExits() const {
  38                 return { { mapToScene(QPointF(  width/3, height)),
  39                            mapToScene(QPointF(  width/2, height)),
  40                            mapToScene(QPointF(2*width/3, height)) } };
  41         }
  42
  43         void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  44                    QWidget *widget) {
  45                 painter->fillRect(0, 0, width, height, QColor(0xcc, 0xcc, 0xff, 0xff));
  46                 painter->setPen(QColor(0x00, 0x00, 0xff, 0xff));
  47                 painter->drawRect(0, 0, width, height);
  48                 painter->drawText(5, 15, name);
  49         }
  50
  51         void addPrevious(BasicBlockWidget * widget) {
  52                 previous.push_back(widget);
  53         }
  54
  55         void addNext(BasicBlockWidget * left, BasicBlockWidget * right) {
  56                 next[0] = left;
  57                 next[1] = right;
  58         }
  59
  60         BasicBlockWidget ** getNext() {
  61                 return next;
  62         }
  63
  64         QString getName() const {
  65                 return name;
  66         }
  67 private:
  68         uint32_t width, height;
  69         QGraphicsTextItem _widget;
  70         QTextTable* _table;
  71         QString name;
  72         BasicBlock * block;
  73         Mainwindow * mainwindow;
  74         std::vector<BasicBlockWidget*> previous;
  75         BasicBlockWidget* next[2];
  76 };
  77
  78 #endif