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 BasicBlockWidget : public QGraphicsItem
  12 {
  13 public:
  14         BasicBlockWidget(const QString& name, BasicBlock * block);
  15
  16         void addItem(uint8_t* bytes, size_t num_bytes, const QString& line);
  17
  18         QRectF boundingRect() const  {
  19                 qreal penWidth = 1;
  20                 QRectF result(- penWidth / 2, - penWidth / 2,
  21                               width + penWidth, height + penWidth);
  22                 return result;
  23         }
  24
  25         void mouseMoveEvent(QGraphicsSceneMouseEvent * event) {
  26                 QGraphicsItem::mouseMoveEvent(event);
  27                 scene()->update();
  28         }
  29
  30         QPointF getEntry() const {
  31                 return mapToScene(QPointF(width/2, 0));
  32         }
  33
  34         std::array<QPointF, 3> getExits() const {
  35                 return { {  mapToScene(QPointF(  width/3, height)),
  36                                         mapToScene(QPointF(  width/2, height)),
  37                                         mapToScene(QPointF(2*width/3, height)) } };
  38         }
  39
  40         void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  41                    QWidget *widget) {
  42                 painter->fillRect(0, 0, width, height, QColor(0xcc, 0xcc, 0xff, 0xff));
  43                 painter->setPen(QColor(0x00, 0x00, 0xff, 0xff));
  44                 painter->drawRect(0, 0, width, height);
  45                 painter->drawText(5, 15, name);
  46                 if (_widget.text() != "")
  47                         _widget.render(painter, QPoint(5, 20));
  48         }
  49
  50         void addPrevious(BasicBlockWidget * widget) {
  51                 previous.push_back(widget);
  52         }
  53
  54         void addNext(BasicBlockWidget * left, BasicBlockWidget * right) {
  55                 next[0] = left;
  56                 next[1] = right;
  57         }
  58
  59         BasicBlockWidget ** getNext() {
  60                 return next;
  61         }
  62
  63 private:
  64         uint32_t width, height;
  65         QLabel _widget;
  66         QString name;
  67         BasicBlock * block;
  68         std::vector<BasicBlockWidget*> previous;
  69         BasicBlockWidget* next[2];
  70 };
  71
  72 #endif