From b61441b4378d61cfb936bc9ee5d007eac38cebec Mon Sep 17 00:00:00 2001
From: Frank Bergmann <fbergman@caltech.edu>
Date: Wed, 4 Dec 2024 09:45:12 +0100
Subject: [PATCH]  - on macos allow to open a new instance from the file menu

---
 copasi/UI/copasiui3window.cpp | 13 +++++++++++++
 copasi/UI/copasiui3window.h   |  2 ++
 2 files changed, 15 insertions(+)

diff --git a/copasi/UI/copasiui3window.cpp b/copasi/UI/copasiui3window.cpp
index 0e273df0e2..256363e8cd 100644
--- a/copasi/UI/copasiui3window.cpp
+++ b/copasi/UI/copasiui3window.cpp
@@ -38,6 +38,8 @@
 #include <QtCore/QThread>
 #include <QFontDialog>
 #include <QtCore/QDateTime>
+#include <QProcess>
+
 
 #include <QByteArray>
 #if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
@@ -748,6 +750,12 @@ void CopasiUI3Window::createMenuBar()
 {
   QMenu *pFileMenu = menuBar()->addMenu("&File");
   pFileMenu->addAction(mpaNew);
+  #ifdef Q_OS_MACOS
+  QAction *pOpenNewWindow = new QAction("New Window", this);
+  pOpenNewWindow->setToolTip("Open a new COPASI instance");
+  QObject::connect(pOpenNewWindow, SIGNAL(triggered()), this, SLOT(slotStartNewInstance()));
+  pFileMenu->addAction(pOpenNewWindow);
+  #endif
   pFileMenu->addAction(mpaOpen);
   pFileMenu->addAction(mpaOpenFromUrl);
   mpMenuExamples = pFileMenu->addMenu("Examples");
@@ -4208,6 +4216,11 @@ void CopasiUI3Window::slotHandleCopasiScheme(const QUrl& url)
 #endif
 }
 
+void CopasiUI3Window::slotStartNewInstance()
+{
+  QProcess::startDetached(qApp->applicationFilePath());
+}
+
 void CopasiUI3Window::slotCheckForUpdate()
 {
 #if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
diff --git a/copasi/UI/copasiui3window.h b/copasi/UI/copasiui3window.h
index 4771ed003a..1aeb6e91a9 100644
--- a/copasi/UI/copasiui3window.h
+++ b/copasi/UI/copasiui3window.h
@@ -206,6 +206,8 @@ public slots:
 
   void slotHandleCopasiScheme(const QUrl& url);
 
+  void slotStartNewInstance();
+
 public:
   /**
    * performs the next action from the action stack