BesGMenuBar.cxx

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#include "BesVisLib/BesGMenuBar.h"
 
ClassImp( BesGMenuBar )
 
    //______________________________________________________________________________
    BesGMenuBar::BesGMenuBar( const TGWindow* p, UInt_t w, UInt_t h, UInt_t options )
    : TGMenuBar( p, w, h, options ) {}
 
//______________________________________________________________________________
void BesGMenuBar::AddPopup( TGHotString* s, TGPopupMenu* menu, TGLayoutHints* l,
                            TGPopupMenu* before ) {
  // Add popup menu to menu bar. The hot string will be adopted by the
  // menubar (actually the menu title) and deleted when possible.
  // If before is not 0 the menu will be added before it.
 
  BesGMenuTitle* t;
  Int_t          keycode;
 
  AddFrameBefore( t = new BesGMenuTitle( this, s, menu ), l, before );
  fTitles->Add( t ); // keep track of menu titles for later cleanup in dtor
 
  if ( ( keycode = t->GetHotKeyCode() ) != 0 ) { BindHotKey( keycode, kTRUE ); }
}
 
//______________________________________________________________________________
void BesGMenuBar::AddPopup( const char* s, TGPopupMenu* menu, TGLayoutHints* l,
                            TGPopupMenu* before ) {
  // Add popup menu to menu bar. If before is not 0 the menu will be
  // added before it.
 
  AddPopup( new TGHotString( s ), menu, l, before );
}
 
//______________________________________________________________________________
void BesGMenuBar::AddFrameBefore( TGFrame* f, TGLayoutHints* l, TGPopupMenu* before ) {
  // Private version of AddFrame for menubar, to make sure that we
  // indeed only add BesGMenuTitle objects to it. If before is not 0
  // the menu will be added before it.
 
  if ( f->IsA() != BesGMenuTitle::Class() )
  {
    Error( "AddFrameBefore", "may only add BesGMenuTitle objects to a menu bar" );
    return;
  }
 
  if ( !before )
  {
    AddFrame( f, l );
    return;
  }
 
  TGFrameElement* nw;
 
  nw          = new TGFrameElement;
  nw->fFrame  = f;
  nw->fLayout = l ? l : fgDefaultHints;
  nw->fState  = 1;
 
  TGFrameElement* el;
  TIter           next( fList );
  while ( ( el = (TGFrameElement*)next() ) )
  {
    BesGMenuTitle* t = (BesGMenuTitle*)el->fFrame;
    if ( t->GetMenu() == before )
    {
      fList->AddBefore( el, nw );
      return;
    }
  }
  fList->Add( nw );
}
 
//______________________________________________________________________________
BesGMenuTitle* BesGMenuBar::GetMenuTitle( Int_t i ) {
  if ( i >= 0 && i < fTitles->GetSize() ) return (BesGMenuTitle*)fTitles->At( i );
  else return 0;
}