diff --git a/cntfilesystemmodel.cpp b/cntfilesystemmodel.cpp
index ec66811..e210a6e 100644
--- a/cntfilesystemmodel.cpp
+++ b/cntfilesystemmodel.cpp
@@ -22,6 +22,8 @@
 #include <QStringListModel>
 
 #include <hp_mditexteditor.h>
+#include <hp_infodialog.h>
+#include <hp_mdivariableedit.h>
 #include <QSettings>
 #include <QTextCodec>
 #include <utility>
@@ -301,15 +303,43 @@ bool contentFileSystemModel::openFile(QMdiArea * mdiwin,QFileInfo info) {
     hp_mdiTextEdit * hptextedit = nullptr;
     AbstractData * data=nullptr;
 
+    QString calc;
+    QString name;
+
+    hp_DataType type;
+    hp_Information hpinfo;
+//    hp_infoDialog * hpinfodlg;
+    hp_mdiVariableEdit * hpvaredit=nullptr;
+
      data = readFile(info);
 
         if (data!=nullptr) {
-           if (hptextedit==nullptr)
-                hptextedit = new hp_mdiTextEdit(mdiwin,info, data);
-             if (hptextedit!=nullptr) {
-                hptextedit ->show();
-                return true;
-             }
+            type=data->getType();
+            switch (type) {
+                case HP_NOTE:
+                case HP_PROG:   {
+                    if (hptextedit==nullptr)
+                        hptextedit = new hp_mdiTextEdit(mdiwin,info, data);
+                    if (hptextedit!=nullptr)
+                        hptextedit ->show();
+                    }
+                    break;
+                case HP_CAS:
+                case HP_REAL:
+                case HP_COMPLEX:
+                case HP_LIST:
+                case HP_MATRIX: {
+                    if (hpvaredit==nullptr) {
+                        if (data!=nullptr) {
+                            qDebug()<<"Opening Varedit";
+                            hpvaredit = new hp_mdiVariableEdit(mdiwin,info,data);
+                        }
+                    }
+                    if (hpvaredit!=nullptr)
+                        hpvaredit ->show();
+                    }
+                    break;
+            }
         }
         else {
             qWarning()<<"Read file return null data";
@@ -375,7 +405,19 @@ AbstractData * contentFileSystemModel::readFile(QFileInfo fileinfo) const {
                 data = new Notes(filedata.filename, HP_NOTE, QStringLiteral(""));
                 data->parseData(in);
             }
-        break;
+            break;
+            case HP_LIST: {
+                qDebug()<<"HP_LIST";
+                data = new List(filedata.filename, HP_LIST);
+                data->parseData(in);
+            }
+            break;
+            case HP_MATRIX: {
+                qDebug()<<"HP_MATRIX";
+                data = new Matrix(filedata.filename, HP_MATRIX);
+                data->parseData(in);
+            }
+            break;
             default: ;
         }
 
diff --git a/hp_mdivariableedit.cpp b/hp_mdivariableedit.cpp
index 49e17b3..6d0212a 100644
--- a/hp_mdivariableedit.cpp
+++ b/hp_mdivariableedit.cpp
@@ -31,18 +31,58 @@ hp_mdiVariableEdit::hp_mdiVariableEdit(QWidget *parent,
 
     hptreeitem=treeItem;
     hpcalc = dataStore;
-    filename=treeItem->getFileName();
-    type=treeItem->getType();
+    filename = QStringLiteral("NULL");
+
+    if (hpcalc!=nullptr) {
+        calculator=hpcalc->getCalculatorName();
+
+        if (treeItem!=nullptr) {
+            filename=treeItem->getFileName();
+            type=treeItem->getType();
+        }
+        else {
+            qWarning()<<"hpcalc is null";
+        }
+        data=hpcalc->getData(filename,type);
+    }
+    else {
+        qWarning()<<"hpcalc is null";
+    }
+    content=false;
+    setup();
+
+    setWindowTitle(calculator+": "+filename);
+}
+
+hp_mdiVariableEdit::hp_mdiVariableEdit(QWidget *parent,
+            QFileInfo file,
+            AbstractData * data_in)
+    : hp_MdiWindow(parent)
+{
+    setMinimumSize(200,200);
+    setMaximumSize(1000,1000);
+    setSizePolicy(QSizePolicy::Ignored,QSizePolicy::Ignored);
+
+    calculator=QStringLiteral("Content: ");
+    content=true;
+    hptreeitem=nullptr;
+    hpcalc = nullptr;
+    filename=file.fileName();
+
+    data = data_in;
+
+    if (data!=nullptr)
+        type=data->getType();
 
     setup();
 
-    setWindowTitle(filename);
+    setWindowTitle(calculator+filename);
 }
 
 void hp_mdiVariableEdit::setup() {
 
-    if (hpcalc) {
-        varmodel = new varTableModel(this,hpcalc,filename,type);
+    if (data!=nullptr) {
+        varmodel = new varTableModel(this,data,filename,type);
         tableView = new QTableView(this);
         tableView->setModel(varmodel);
         setWidget(tableView);
@@ -50,8 +90,11 @@ void hp_mdiVariableEdit::setup() {
 }
 
 void hp_mdiVariableEdit::show() {
-    if(tableView)
+    if(tableView!=nullptr)
         tableView->show();
+    else {
+        qWarning()<<"hp_mdiVariableEdit::show tableView null";
+    }
     hp_MdiWindow::show();
 }
 
diff --git a/include/hp_mdivariableedit.h b/include/hp_mdivariableedit.h
index b1110de..8ed01b0 100644
--- a/include/hp_mdivariableedit.h
+++ b/include/hp_mdivariableedit.h
@@ -22,6 +22,7 @@
 #include <QWidget>
 #include <QMdiSubWindow>
 #include <QTableView>
+#include <QFileInfo>
 #include "vartablemodel.h"
 #include "hpdata.h"
 #include "hp_mdiwindow.h"
@@ -37,19 +38,23 @@ protected:
         hpTreeItem * hptreeitem  =nullptr;
         varTableModel * varmodel  =nullptr;
         hpCalcData * hpcalc =nullptr;
+        AbstractData * data = nullptr;
         QString filename;
-        hp_DataType type;
+        hp_DataType type=HP_MAIN;
+        QFileInfo file;
+        QString calculator;
+        bool content;
         void setup();
 
 public:
-    explicit hp_mdiVariableEdit(QWidget *parent = nullptr,
+    hp_mdiVariableEdit(QWidget *parent = nullptr,
                                 hpTreeItem * treeItem = nullptr,
                                 hpCalcData * dataStore =nullptr
                                 );
-//    explicit hp_mdiVariableEdit(QWidget *parent,
-//                                    hp_DataStruct filedata,
-//                                    hpCalcData * dataStore
-//                                    );
+    hp_mdiVariableEdit(QWidget *parent,
+                                    QFileInfo file,
+                                    AbstractData * data
+                                    );
     void show();
     ~hp_mdiVariableEdit();
 
diff --git a/include/mainwindow.h b/include/mainwindow.h
index 64f381b..6b84bec 100644
--- a/include/mainwindow.h
+++ b/include/mainwindow.h
@@ -57,7 +57,6 @@ public:
     void writeStatus(QString);
     void writeChatter(QString);
     void addDummy();
-    void createActions();
     hpusb * getAPI();
 
 signals:
@@ -84,12 +83,21 @@ private slots:
     void readSettings();
     void setTimerStopped();
 
+    void eventTileWindow();
+    void eventCascadeWindow();
+    void eventCloseWindow();
+    void eventCloseAllWindow();
+    void eventPrevious();
+    void eventNext();
+
     void eventSave();
     void eventSaveAs();
     void eventCreateFolder();
     void eventCreateNote();
     void eventCreateProgram();
 
+    void eventExit();
+
     treeModel * getTreeModel();
 
     void treeMenuAction(bool);
diff --git a/include/vartablemodel.h b/include/vartablemodel.h
index eec48c8..72d511c 100644
--- a/include/vartablemodel.h
+++ b/include/vartablemodel.h
@@ -42,7 +42,7 @@ private:
 
 public:
     varTableModel(QObject *parent = nullptr,
-                  hpCalcData * dataStore =nullptr,
+                  AbstractData * data =nullptr,
                   QString file = QStringLiteral(""),
                   hp_DataType dtype = HP_MAIN);
     QModelIndex parent(const QModelIndex &index) const;
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 031cada..8d30266 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -81,14 +81,11 @@ MainWindow::MainWindow(QWidget *parent) :
     ui->setupUi(this);
     setWindowIcon(QIcon::fromTheme("accessories-calculator",
                                    QIcon(":/icons/monitor_32x32.png")));
-    createActions();
     createLogWindow();
     setTreeMenu();
     setContentWindow();
 
-
     //create some sub menus
-
     QToolButton *createNewButton=
                dynamic_cast<QToolButton*>(ui->toolBar->widgetForAction(ui->actionCreateNew));
        createNewButton->setPopupMode(QToolButton::InstantPopup);
@@ -109,7 +106,6 @@ MainWindow::MainWindow(QWidget *parent) :
 
        createNewButton->setMenu(createMenu);
 
-
     //Hack to fix QT resizing bug
     resizeDocks({ui->dwCalculator,ui->dwContent},{0,0}, Qt::Horizontal);
 
@@ -121,10 +117,7 @@ MainWindow::MainWindow(QWidget *parent) :
     ui->tvCalculators->setDropIndicatorShown(true);
     ui->tvCalculators->show();
 
-
-
-
-
+    //setup actions
     connect(ui->actionOpen,SIGNAL(triggered()),this,SLOT(onOpen()));
     connect(ui->actionAbout_HP_Connect,SIGNAL(triggered()),this,SLOT(about()));
   //  connect(ui->actionExit,SIGNAL(triggered()),this,SLOT(exit()));
@@ -151,6 +144,15 @@ MainWindow::MainWindow(QWidget *parent) :
     connect(ui->tvContent, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(on_tvContent_customContextMenuRequested(const QPoint &)));
     connect(hpapi, SIGNAL(hotplug(int)), this, SLOT(hotplug_handler(int)));
 
+    connect(ui->actionTile,SIGNAL(triggered()),this,SLOT(eventTileWindow()));
+    connect(ui->actionCascade,SIGNAL(triggered()),this,SLOT(eventCascadeWindow()));
+    connect(ui->actionClose,SIGNAL(triggered()),this,SLOT(eventCloseWindow()));
+    connect(ui->actionClose_all,SIGNAL(triggered()),this,SLOT(eventCloseAllWindow()));
+    connect(ui->actionNext,SIGNAL(triggered()),this,SLOT(eventNext()));
+    connect(ui->actionPrevious,SIGNAL(triggered()),this,SLOT(eventPrevious()));
+
+    connect(ui->actionExit,SIGNAL(triggered()),this,SLOT(eventExit()));
+
     //default data
     log("Initialising....");
 
@@ -410,6 +412,48 @@ void MainWindow::eventSaveAs() {
     qDebug()<<"Save As Pressed";
 }
 
+void MainWindow::eventTileWindow() {
+
+     QMdiArea * mdi=getMdi();
+     mdi->tileSubWindows();
+}
+
+void MainWindow::eventCascadeWindow() {
+
+     QMdiArea * mdi=getMdi();
+     mdi->cascadeSubWindows();
+}
+
+void MainWindow::eventCloseWindow() {
+
+     QMdiArea * mdi=getMdi();
+     mdi->closeActiveSubWindow();
+}
+
+void MainWindow::eventCloseAllWindow() {
+
+     QMdiArea * mdi=getMdi();
+     mdi->closeAllSubWindows();
+}
+
+void MainWindow::eventPrevious() {
+
+     QMdiArea * mdi=getMdi();
+     mdi->activatePreviousSubWindow();
+}
+
+void MainWindow::eventNext() {
+
+     QMdiArea * mdi=getMdi();
+     mdi->activateNextSubWindow();
+}
+
+void MainWindow::eventExit() {
+    QMdiArea * mdi=getMdi();
+    mdi->closeAllSubWindows();
+    close();
+}
+
 void MainWindow::eventCreateFolder() {
 
     QString newName= QStringLiteral("New Folder");
@@ -469,16 +513,6 @@ void MainWindow::onOptions(bool clicked)
     optiondlg->show();
 }
 
-//Dummy from examples -- edit
-void MainWindow::createActions()
-{
-
-  //  ui->toolBar->addWidget(QPushButton(QIcon(":/icons/about_32x32.png"),"test"));
-//    const QIcon newIcon = QIcon::fromTheme("document-new", QIcon(":/icons/new.png"));
-//    QAction *newAct = new QAction(newIcon, tr("&New"), this);
-
-};
-
 //show or hide content window
 void MainWindow::showContent() {
 
diff --git a/mainwindow.ui b/mainwindow.ui
index 7309c1b..d8272b7 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -64,9 +64,6 @@
     <property name="title">
      <string>Edit</string>
     </property>
-    <addaction name="actionCut"/>
-    <addaction name="actionCopy"/>
-    <addaction name="actionPaste"/>
     <addaction name="separator"/>
     <addaction name="actionPreferences"/>
    </widget>
diff --git a/treemodel.cpp b/treemodel.cpp
index b9e790e..6298398 100644
--- a/treemodel.cpp
+++ b/treemodel.cpp
@@ -26,6 +26,8 @@
 
 #include "treemodel.h"
 #include "hptreeitem.h"
+#include <hp_infodialog.h>
+#include <hp_mdivariableedit.h>
 #include <hp_mditexteditor.h>
 #include <QStringListModel>
 #include <QMimeData>
@@ -123,18 +125,59 @@ void treeModel::openFile(QMdiArea * mdiwin, QModelIndex &index) {
     hp_mdiTextEdit * hptextedit = nullptr;
     AbstractData * data=nullptr;
     hpTreeItem * item=nullptr;
+    QString calc;
+    QString name;
+
+    hp_DataType type;
+    hp_Information hpinfo;
+    hp_infoDialog * hpinfodlg=nullptr;
+    hpCalcData * hpdata=nullptr;
+    hp_mdiVariableEdit * hpvaredit=nullptr;
 
     item = static_cast<hpTreeItem *>(itemFromIndex(index));
     data=getData(index);
+
     if ((data!=nullptr)&&(item!=nullptr)) {
-           if (hptextedit==nullptr)
-                hptextedit = new hp_mdiTextEdit(mdiwin,item, data);
-             if (hptextedit!=nullptr)
-                hptextedit ->show();
+        calc=item->getCalculatorName();
+        name=item->getFileName();
+        type=data->getType();
+        hpdata=getHpCalcData(calc);
+        switch (type) {
+                case HP_MAIN:   {
+                    hpinfo=hpdata->getInfo();
+                    hpinfodlg = new hp_infoDialog(mdiwin,hpinfo);
+                    hpinfodlg->show();
+                }
+                break;
+                case HP_NOTE:
+                case HP_PROG:   {
+                    if (hptextedit==nullptr)
+                        hptextedit = new hp_mdiTextEdit(mdiwin,item, data);
+                    if (hptextedit!=nullptr)
+                        hptextedit ->show();
+                    }
+                    break;
+                case HP_CAS:
+                case HP_REAL:
+                case HP_COMPLEX:
+                case HP_LIST:
+                case HP_MATRIX: {
+                    if (hpvaredit==nullptr) {
+                        if (data!=nullptr) {
+                            hpvaredit = new hp_mdiVariableEdit(mdiwin,item,hpdata);
+                        }
+                    }
+                    if (hpvaredit!=nullptr)
+                        hpvaredit ->show();
+                    }
+                    break;
+        }
         }
         else {
             qDebug()<<"Null data";
         }
+
+    return;
 }
 
 void treeModel::renameFile(QModelIndex &index,QString newName) {
diff --git a/vartablemodel.cpp b/vartablemodel.cpp
index 503be4b..add63e2 100644
--- a/vartablemodel.cpp
+++ b/vartablemodel.cpp
@@ -65,13 +65,13 @@ const QStringList varTableModel::complex_header={ "Z0",
                                            };
 
 varTableModel::varTableModel(QObject *parent,
-        hpCalcData * dataStore,
+        AbstractData * data,
         QString file,
         hp_DataType dtype)
     :QAbstractTableModel(parent)
 {
     q_parent=parent;
-    hpcalc = dataStore;
+    dataobj = data;
     filename=file;
     type=dtype;
     setup();
@@ -90,14 +90,15 @@ QModelIndex varTableModel::index(int row, int column, const QModelIndex &parent)
     return createIndex(row,column);
 }
 
+
 void varTableModel::setup()
 {
-    if (hpcalc) {
+//    if (hpcalc) {
 
-        dataobj=hpcalc->getData(filename,type);
+//        dataobj=hpcalc->getData(filename,type);
 
   //      qDebug()<<"varTableModel: type"<<dataobj->getType();
-    }
+//    }
 
    return;
 }