Added copy/paste components, right click on pins to break linksand select all components action, fixed project load bug

Author: BenPyton

UI/linkitem.cpp

@@ -21,6 +21,7 @@
 #include "linkitem.h"
 #include "nodalview.h"
 #include "pinitem.h"
+#include <QtMath>
 
 LinkItem::LinkItem(QGraphicsItem *parent)
     : QGraphicsItem(parent)
@@ -107,3 +108,24 @@ QRectF LinkItem::boundingRect() const
 
     return bounds;
 }
+
+QPainterPath LinkItem::shape() const
+{
+    qreal width = 1.;
+    qreal pinRadius = 10.;
+    QPointF firstPoint = (m_pinA != nullptr) ? m_pinA->scenePos() : m_mousePos;
+    QPointF secondPoint = (m_pinB != nullptr) ? m_pinB->scenePos() : m_mousePos;
+
+    QPointF delta = secondPoint - firstPoint;
+    qreal length = qSqrt(delta.x() * delta.x() + delta.y() * delta.y());
+    QPointF dir = delta / length;
+    QPointF ortho(-dir.y(), dir.x());
+
+    QPainterPath path;
+    path.moveTo(firstPoint + dir * pinRadius + ortho * width);
+    path.lineTo(secondPoint - dir * pinRadius + ortho * width);
+    path.lineTo(secondPoint - dir * pinRadius - ortho * width);
+    path.lineTo(firstPoint + dir * pinRadius - ortho * width);
+    path.closeSubpath();
+    return path;
+}

UI/linkitem.h

@@ -57,6 +57,7 @@ class LinkItem : public QGraphicsItem
 protected:
     virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget* widget) override;
     virtual QRectF boundingRect() const override;
+    virtual QPainterPath shape() const override;
 private:
 
     int m_size;

UI/mainwindow.cpp

@@ -31,7 +31,7 @@
 
 #define MAJOR_VERSION 0
 #define MINOR_VERSION 0
-#define BUGFIX_VERSION 1
+#define BUGFIX_VERSION 2
 
 MainWindow::MainWindow(QWidget *parent) :
     QMainWindow(parent),
@@ -70,6 +70,26 @@ MainWindow::MainWindow(QWidget *parent) :
 
     m_signal.setComponent(ui->nodalView->getOutput()->component());
 
+    // ===== Edit Menu =====
+
+    QAction* act_selectAll = new QAction("Select All", this);
+    act_selectAll->setShortcut(QKeySequence::SelectAll);
+    connect(act_selectAll, SIGNAL(triggered()), ui->nodalView, SLOT(selectAll()));
+
+    QAction* act_copy = new QAction("Copy", this);
+    act_copy->setShortcut(QKeySequence::Copy);
+    connect(act_copy, SIGNAL(triggered()), ui->nodalView, SLOT(copyComponents()));
+
+    QAction* act_paste = new QAction("Paste", this);
+    act_paste->setShortcut(QKeySequence::Paste);
+    connect(act_paste, SIGNAL(triggered()), ui->nodalView, SLOT(pasteComponents()));
+
+    ui->menuEdit->addAction(act_copy);
+    ui->menuEdit->addAction(act_paste);
+    ui->menuEdit->addAction(act_selectAll);
+
+    // ===== Component Menu =====
+
     QMenu* menu_Add = new QMenu("Add", this);
     ui->menuComponents->addMenu(menu_Add);
 
@@ -87,6 +107,8 @@ MainWindow::MainWindow(QWidget *parent) :
         menu_Add->addAction(action);
     }
 
+    // ===== Audio Menu =====
+
     QAction* act_generate = new QAction("Generate", this);
     act_generate->setShortcut(QKeySequence::Refresh);
     connect(act_generate, SIGNAL(triggered()), &m_signal, SLOT(generate()));