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 QGraphicsItem
  14 {
  15 public:
  16         BasicBlockWidget(const QString& name, BasicBlock * block, Mainwindow * mainwindow);
  17
  18         void addItem(uint8_t* bytes, size_t num_bytes, QString line, const QString& href);
  19
  20         QRectF boundingRect() const  {
  21                 qreal penWidth = 1;
  22                 QRectF result(- penWidth / 2, - penWidth / 2,
  23                               width + penWidth, height + penWidth);
  24                 return result;
  25         }
  26
  27         void mouseMoveEvent(QGraphicsSceneMouseEvent * event) {
  28                 QGraphicsItem::mouseMoveEvent(event);
  29                 scene()->update();
  30         }
  31
  32         QPointF getEntry() const {
  33                 return mapToScene(QPointF(width/2, 0));
  34         }
  35
  36         std::array<QPointF, 3> getExits() const {
  37                 return { { mapToScene(QPointF(  width/3, height)),
  38                            mapToScene(QPointF(  width/2, height)),
  39                            mapToScene(QPointF(2*width/3, height)) } };
  40         }
  41
  42         void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  43                    QWidget *widget) {
  44                 painter->fillRect(0, 0, width, height, QColor(0xcc, 0xcc, 0xff, 0xff));
  45                 painter->setPen(QColor(0x00, 0x00, 0xff, 0xff));
  46                 painter->drawRect(0, 0, width, height);
  47                 painter->drawText(5, 15, name);
  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         QString getName() const {
  64                 return name;
  65         }
  66 private:
  67         uint32_t width, height;
  68         QGraphicsProxyWidget _proxy;
  69         QGridLayout _layout;
  70         QLabel _widget;
  71         QString name;
  72         BasicBlock * block;
  73         Mainwindow * mainwindow;
  74         std::vector<BasicBlockWidget*> previous;
  75         BasicBlockWidget* next[2];
  76 };
  77
  78 #endif