Add code to launch the executable using QProcess

plugin/pqCubitToolBar.cxx

@@ -109,9 +109,13 @@ void pqCubitToolBar::onLaunch()
   cubitStringProp->SetElement(0, cubitPath.c_str());
   proxy->UpdateVTKObjects();
 
+  //QMessageBox::information(mainWidget, "CUBIT PATH FOUND", path);
   // Run the process
-  // return this->runCubit(cubit_path);
-  QMessageBox::information(mainWidget, "CUBIT PATH FOUND", path);
+  bool success = this->runCubit(path);
+  if (!success)
+  {
+    QMessageBox::warning(mainWidget, "CUBIT LAUNCH FAILED", "The system was unable to launch CUBIT.");
+  }
 }
 
 void pqCubitToolBar::askUserForPath(const QString& headline, const QString& details, QString& result) const
@@ -168,3 +172,18 @@ bool pqCubitToolBar::checkPath(const QString& path, QString& reason) const
 
   return true;
 }
+
+bool pqCubitToolBar::runCubit(const QString& path) const
+{
+  QProcess process;
+  process.setProgram(path);
+  // process.setArguments();
+  // process.setWorkingDirectory();
+  qint64 pid;
+  bool success = process.startDetached(&pid);
+  if (success)
+  {
+    qInfo() << "Started process" << pid;
+  }
+  return success;
+}

plugin/pqCubitToolBar.h

@@ -12,11 +12,9 @@
 
 #include "smtk/PublicPointerDefs.h"
 
+#include <QString>
 #include <QToolBar>
 
-// class pqServer;
-// class QAction;
-// class vtkSMSMTKResourceManagerProxy;
 
 class pqCubitToolBar : public QToolBar
 {
@@ -30,6 +28,8 @@ public:
 protected:
   void askUserForPath(const QString& headline, const QString& details, QString& result) const;
   bool checkPath(const QString& path, QString& reason) const;
+  bool runCubit(const QString& path) const;
+
 protected slots:
   void onLaunch();