#include <TGClient.h>
#include <TCanvas.h>
#include <TF1.h>
#include <TRandom.h>
#include <TGButton.h>
#include <TGFrame.h>
#include <TRootEmbeddedCanvas.h>
#include <TGTab.h>


void test_editor_canvas()
{
   TGMainFrame* mf = new TGMainFrame(gClient->GetRoot(), 400, 400);
   mf->SetWindowName("Foo");

	 TGHorizontalFrame* hMain = new TGHorizontalFrame(mf, 400, 400);
	 mf->AddFrame(hMain, new TGLayoutHints(kLHintsExpandX | kLHintsExpandY));

	 TGVerticalFrame* vf1 = new TGVerticalFrame(hMain, 200, 400, kFixedWidth);
	 TGCompositeFrame* vfc1 = new TGCompositeFrame(vf1);
	 TGVerticalFrame* vf2 = new TGVerticalFrame(hMain, 200, 400);
	 TGCompositeFrame* vfc2 = new TGCompositeFrame(vf2);
	 
	 vf1->AddFrame(vfc1, new TGLayoutHints(kLHintsLeft | kLHintsExpandY | kLHintsExpandX));
	 vf2->AddFrame(vfc2, new TGLayoutHints(kLHintsLeft | kLHintsExpandY | kLHintsExpandX));

	 TGTab* tab1 = new TGTab(vfc1, 150, 400);
	 TGTab* tab2 = new TGTab(vfc2, 400, 400);
	 TGCompositeFrame* frame1 = tab1->AddTab("Editor");
	 TGCompositeFrame* frame2 = tab2->AddTab("Canvas");
	 
	 vfc1->AddFrame(tab1, new TGLayoutHints(kLHintsLeft | kLHintsExpandY | kLHintsExpandX));
	 vfc2->AddFrame(tab2, new TGLayoutHints(kLHintsLeft | kLHintsExpandY | kLHintsExpandX)); 

	 TGVSplitter *splitter = new TGVSplitter(hMain,2,30);
   splitter->SetFrame(vf1, kTRUE);
	 
	 hMain->AddFrame(vf1, new TGLayoutHints(kLHintsLeft | kLHintsExpandY));
   hMain->AddFrame(splitter, new TGLayoutHints(kLHintsLeft | kLHintsExpandY, 10, 10, 0, 0)); 
	 
	 //TGVerticalFrame *editor = new TGVerticalFrame(frame1, 100, 400));
	 //frame1->AddFrame(editor, new TGLayoutHints(kLHintsExpandX | kLHintsExpandY));
	 
	 TGHorizontalFrame *evf = new TGHorizontalFrame(frame2, 400, 400);
   frame2->AddFrame(evf, new TGLayoutHints(kLHintsExpandX | kLHintsExpandY,
                                       20, 20, 20, 20));
																			 
	 hMain->AddFrame(vf2, new TGLayoutHints(kLHintsLeft | kLHintsExpandY | kLHintsExpandX));
	 mf->MapSubwindows();
   mf->Layout();
	 
   // this is where embedding is done:
	 evf->SetEditable();
   TCanvas* c = new TCanvas("Foo", "Bar", 400, 400);
   evf->SetEditable(kFALSE);
	 
   mf->Layout();
   mf->MapWindow();
}