From 6cc5c2478ca8b8a22b7712ccddafb5eb0844416b Mon Sep 17 00:00:00 2001
From: nemu <nemu>
Date: Wed, 29 Oct 2008 07:18:42 +0000
Subject: [PATCH] first canvas menu dummy implementation

---
 src/classes/PMusrCanvas.cpp        | 45 ++++++++++++++++++++++++++++++
 src/include/PMusrCanvas.h          | 14 ++++++++++
 src/tests/canvasMenu/PMyCanvas.cpp | 12 ++++----
 3 files changed, 65 insertions(+), 6 deletions(-)

diff --git a/src/classes/PMusrCanvas.cpp b/src/classes/PMusrCanvas.cpp
index 8338b911..06d2afc7 100644
--- a/src/classes/PMusrCanvas.cpp
+++ b/src/classes/PMusrCanvas.cpp
@@ -53,6 +53,10 @@ PMusrCanvas::PMusrCanvas()
   fPlotType = -1;
   fPlotNumber = -1;
 
+  fImp   = 0;
+  fBar   = 0;
+  fPopup = 0;
+
   fStyle               = 0;
   fMainCanvas          = 0;
   fTitlePad            = 0;
@@ -171,6 +175,10 @@ void PMusrCanvas::InitMusrCanvas(const char* title, Int_t wtopx, Int_t wtopy, In
   fDifferencePlot = false;
   fPlotType = -1;
 
+  fImp   = 0;
+  fBar   = 0;
+  fPopup = 0;
+
   fMainCanvas          = 0;
   fTitlePad            = 0;
   fDataTheoryPad       = 0;
@@ -187,6 +195,19 @@ void PMusrCanvas::InitMusrCanvas(const char* title, Int_t wtopx, Int_t wtopy, In
     return;
   }
 
+  // add canvas menu
+  TRootCanvas *fImp = (TRootCanvas*)fMainCanvas->GetCanvasImp(); 
+  TGMenuBar *fBar = fImp->GetMenuBar(); 
+  TGPopupMenu *fPopup = fBar->AddPopup("&Musrfit");
+  fPopup->AddEntry("&Fourier", P_MENU_ID_FOURIER);
+  fPopup->AddEntry("&Difference", P_MENU_ID_DIFFERENCE);
+  fPopup->AddSeparator();
+  fPopup->AddEntry("&Save Data", P_MENU_ID_SAVE_DATA);
+  fBar->MapSubwindows(); 
+  fBar->Layout();
+
+  fPopup->Connect("TGPopupMenu", "Activated(Int_t)", "PMusrCanvas", this, "HandleMenuPopup(Int_t)");
+
   // divide the canvas into 4 pads
   // title pad
   fTitlePad = new TPaveText(0.0, YTITLE, 1.0, 1.0, "NDC");
@@ -291,6 +312,30 @@ void PMusrCanvas::HandleCmdKey(Int_t event, Int_t x, Int_t y, TObject *selected)
   }
 }
 
+//--------------------------------------------------------------------------
+// HandleMenuPopup (SLOT)
+//--------------------------------------------------------------------------
+/**
+ * <p>
+ *
+ */
+void PMusrCanvas::HandleMenuPopup(Int_t id)
+{
+  switch (id) {
+    case P_MENU_ID_FOURIER:
+      cout << endl << ">> will handle Fourier ..." << endl;
+      break;
+    case P_MENU_ID_DIFFERENCE:
+      cout << endl << ">> will handle Difference ..." << endl;
+      break;
+    case P_MENU_ID_SAVE_DATA:
+      cout << endl << ">> will handle Save Data ..." << endl;
+      break;
+    default:
+      break;
+  }
+}
+
 //--------------------------------------------------------------------------
 // LastCanvasClosed (SLOT)
 //--------------------------------------------------------------------------
diff --git a/src/include/PMusrCanvas.h b/src/include/PMusrCanvas.h
index 85401eb4..3fe47a50 100644
--- a/src/include/PMusrCanvas.h
+++ b/src/include/PMusrCanvas.h
@@ -35,6 +35,8 @@
 #include <TObject.h>
 #include <TQObject.h>
 #include <TStyle.h>
+#include <TRootCanvas.h>
+#include <TGMenu.h>
 #include <TCanvas.h>
 #include <TPaveText.h>
 #include <TLegend.h>
@@ -52,6 +54,11 @@
 #define YTITLE 0.95
 #define XTHEO  0.75
 
+// Canvas menu id's
+#define P_MENU_ID_FOURIER    10001
+#define P_MENU_ID_DIFFERENCE 10002
+#define P_MENU_ID_SAVE_DATA  10003
+
 //------------------------------------------------------------------------
 /**
  * <p>
@@ -137,6 +144,7 @@ class PMusrCanvas : public TObject, public TQObject
 
     virtual void Done(Int_t status=0); // *SIGNAL*
     virtual void HandleCmdKey(Int_t event, Int_t x, Int_t y, TObject *selected); // SLOT
+    virtual void HandleMenuPopup(Int_t id); // SLOT
     virtual void LastCanvasClosed(); // SLOT
 
   private:
@@ -147,6 +155,12 @@ class PMusrCanvas : public TObject, public TQObject
 
     TStyle    *fStyle;
 
+    // canvas menu related variables
+    TRootCanvas *fImp;
+    TGMenuBar   *fBar;
+    TGPopupMenu *fPopup;
+
+    // canvas related variables
     TCanvas   *fMainCanvas;
     TPaveText *fTitlePad;
     TPad      *fDataTheoryPad;
diff --git a/src/tests/canvasMenu/PMyCanvas.cpp b/src/tests/canvasMenu/PMyCanvas.cpp
index b6b4dc8d..f2fc1b76 100644
--- a/src/tests/canvasMenu/PMyCanvas.cpp
+++ b/src/tests/canvasMenu/PMyCanvas.cpp
@@ -34,9 +34,9 @@ using namespace std;
 
 #include "PMyCanvas.h"
 
-#define P_ID_FOURIER    1
-#define P_ID_DIFFERENCE 2
-#define P_ID_SAVE_DATA  3
+#define P_ID_FOURIER    10001
+#define P_ID_DIFFERENCE 10002
+#define P_ID_SAVE_DATA  10003
 
 ClassImpQ(PMyCanvas)
 
@@ -58,10 +58,10 @@ cout << endl << ">> fImp=" << fImp << endl;
 cout << endl << ">> fBar=" << fBar << endl;
   TGPopupMenu *fPopup = fBar->AddPopup("m&y menu");
 cout << endl << ">> fPopup=" << fPopup << endl;
-  fPopup->AddEntry("F&ourier", 1);
-  fPopup->AddEntry("&Difference", 2);
+  fPopup->AddEntry("F&ourier", P_ID_FOURIER);
+  fPopup->AddEntry("&Difference", P_ID_DIFFERENCE);
   fPopup->AddSeparator();
-  fPopup->AddEntry("Save Data", 3);
+  fPopup->AddEntry("Save Data", P_ID_SAVE_DATA);
   fBar->MapSubwindows(); 
   fBar->Layout();