#include "TGButton.h"
#include "TGSplitter.h"
#include "TGTextEntry.h"

class TwoColumnEntry {

private:
   TGMainFrame       *fMain;
   TGLayoutHints     *fLo;
   TGVerticalFrame   *fV1;
   TGVerticalFrame   *fV2;

public:
   TwoColumnEntry(const char *col1 = "column1", const char *col2 = "column2");
   ~TwoColumnEntry() { delete fMain; }

   void AddRow(const char *e1 = "", const char *e2 = "");
   void Show();
};

//______________________________________________________________________________
TwoColumnEntry::TwoColumnEntry(const char *col1, const char *col2)
{
   //


   fLo = new TGLayoutHints(kLHintsExpandX | kLHintsExpandY);
   
   TGLayoutHints *lo1 = new TGLayoutHints(kLHintsLeft | kLHintsExpandY);
   TGLayoutHints *lo2 = new TGLayoutHints(kLHintsRight | kLHintsExpandX | kLHintsExpandY);

   fMain = new TGMainFrame(gClient->GetRoot(), 1, 1, kHorizontalFrame);
   TGCompositeFrame *h = new TGCompositeFrame(fMain, 100, 100, kHorizontalFrame | kRaisedFrame);
   fMain->AddFrame(h, fLo);

   fV1 = new TGVerticalFrame(h, 1, 1, kFixedWidth);
   h->AddFrame(fV1, lo1);

   TGVSplitter *splitter = new TGVSplitter(h);
   splitter->SetFrame(fV1, kTRUE);
   h->AddFrame(splitter, lo1);

   TGTextButton *b = new TGTextButton(fV1, col1);
   fV1->AddFrame(b, fLo);
   fV1->Resize(b->GetDefaultSize());

   fV2 = new TGVerticalFrame(h, 1, 1);
   h->AddFrame(fV2, lo2);

   b = new TGTextButton(fV2, col2);
   fV2->AddFrame(b, fLo);

   h->MapSubwindows();
   fMain->Resize();
}

//______________________________________________________________________________
void TwoColumnEntry::AddRow(const char *e1, const char *e2)
{
   //

   TGTextEntry *te = new TGTextEntry(fV1, e1);
   fV1->AddFrame(te, fLo);

   te = new TGTextEntry(fV2, e2);
   fV2->AddFrame(te, fLo);

   fMain->Resize();
}

//______________________________________________________________________________
void TwoColumnEntry::Show()
{ 
   //

   fMain->MapSubwindows();
   fMain->MapRaised();
}


//______________________________________________________________________________
void twoColumn() 
{
   //

   TwoColumnEntry *te = new TwoColumnEntry();

   for (int i = 1; i<10; i++) {
      te->AddRow(Form("  row%d", i));
   }
   te->Show();
}