TRestEventViewer: added method Embed()

source/restcore/inc/TRestEventViewer.h

@@ -33,14 +33,16 @@ class TRestBrowser;
 class TRestEventViewer {
    protected:
     TGeoManager* fGeometry = 0;     //!
-    TRestEvent* fEvent = 0;         //!
+    TRestEvent* fEvent = 0;      //!
 
     TPad* fPad = 0;
     TCanvas* fCanvas = 0;
 
-   public:
     virtual void Initialize();
 
+   public:
+    virtual void Embed(TBrowser* b);
+
     virtual void AddEvent(TRestEvent* ev);
 
     virtual void Plot(const char* option);

source/restcore/src/TRestBrowser.cxx

@@ -82,9 +82,9 @@ void TRestBrowser::SetViewer(TRestEventViewer* eV) {
     }
     if (eV != NULL) {
         fEventViewer = eV;
-        b->StartEmbedding(1, -1);
-        eV->Initialize();
-        b->StopEmbedding();
+        //b->StartEmbedding(1, -1);
+        eV->Embed(b);
+        //b->StopEmbedding();
     }
 }
 

source/restcore/src/TRestEventViewer.cxx

@@ -23,7 +23,9 @@ ClassImp(TRestEventViewer)
     //______________________________________________________________________________
     TRestEventViewer::TRestEventViewer() {
     // TRestEventViewer default constructor
-    Initialize();
+    //Initialize();
+    fPad = NULL;
+    fCanvas = NULL;
 }
 
 //______________________________________________________________________________
@@ -34,17 +36,23 @@ TRestEventViewer::~TRestEventViewer() {
 
 void TRestEventViewer::Initialize() {
     fPad = NULL;
-
+    
     if (fCanvas != NULL) delete fCanvas;
     fCanvas = new TCanvas("Event Viewer", "Event Viewer");
 
     fCanvas->SetWindowPosition(350, 10);
 }
 
-void TRestEventViewer::AddEvent(TRestEvent* ev) {
-    fEvent = ev;
+void TRestEventViewer::Embed(TBrowser* b) {
+    if (b != NULL) b->StartEmbedding(1, -1);
+
+    Initialize();
+
+    if (b != NULL) b->StopEmbedding();
 }
 
+void TRestEventViewer::AddEvent(TRestEvent* ev) { fEvent = ev; }
+
 void TRestEventViewer::Plot(const char* option) {
     if (fPad == NULL) fPad = new TPad();
     if (fEvent != NULL) {