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, QString line, const QString& href);
  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         }
  47
  48         void addPrevious(BasicBlockWidget * widget) {
  49                 previous.push_back(widget);
  50         }
  51
  52         void addNext(BasicBlockWidget * left, BasicBlockWidget * right) {
  53                 next[0] = left;
  54                 next[1] = right;
  55         }
  56
  57         BasicBlockWidget ** getNext() {
  58                 return next;
  59         }
  60
  61         QString getName() const {
  62                 return name;
  63         }
  64 private:
  65         uint32_t width, height;
  66         QGraphicsProxyWidget _proxy;
  67         QTableWidget _widget;
  68         QString name;
  69         BasicBlock * block;
  70         std::vector<BasicBlockWidget*> previous;
  71         BasicBlockWidget* next[2];
  72 };
  73
  74 #endif