1 files changed, 36 insertions, 0 deletions
diff --git a/qtmips_gui/coreview/junction.cpp b/qtmips_gui/coreview/junction.cpp
new file mode 100644
index 0000000..271284c
--- /dev/null
+++ b/qtmips_gui/coreview/junction.cpp
@@ -0,0 +1,36 @@
+#include "junction.h"
+
+using namespace coreview;
+
+//////////////////////
+#define DOT_SIZE 4
+//////////////////////
+
+Junction::Junction() : QGraphicsItem(nullptr) { }
+
+Junction::~Junction() {
+    for (int i = 0; i < cons.size(); i++)
+        delete cons[i];
+}
+
+QRectF Junction::boundingRect() const {
+    return QRectF(-DOT_SIZE/2, -DOT_SIZE/2, DOT_SIZE, DOT_SIZE);
+}
+
+void Junction::paint(QPainter *painter, const QStyleOptionGraphicsItem *option __attribute__((unused)), QWidget *widget __attribute__((unused))) {
+    painter->setBrush(QBrush(QColor(0, 0, 0)));
+    painter->drawEllipse(-DOT_SIZE/2, -DOT_SIZE/2, DOT_SIZE, DOT_SIZE);
+}
+
+void Junction::setPos(qreal x, qreal y) {
+   QGraphicsItem::setPos(x, y);
+   foreach (Connector *con, cons)
+       con->setPos(x, y);
+}
+
+Connector *Junction::new_connector(qreal angle) {
+    Connector*n = new Connector(angle);
+    cons.append(n);
+    setPos(x(), y()); // set connector's position
+    return n;
+}