BesGPictureButton.cxx

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#include "BesVisLib/BesGPictureButton.h"
 
using namespace std;
 
#ifndef __CINT__
ClassImp( BesGPictureButton )
#endif
 
    //______________________________________________________________________________
    BesGPictureButton::BesGPictureButton( const TGWindow* p, const TGPicture* pic, Int_t id,
                                          GContext_t norm, UInt_t option )
    : TGPictureButton( p, pic, id, norm, option ) {
  fPicHL = 0;
  fState = false;
}
 
//______________________________________________________________________________
BesGPictureButton::BesGPictureButton( const TGWindow* p, const TGPicture* pic, const char* cmd,
                                      Int_t id, GContext_t norm, UInt_t option )
    : TGPictureButton( p, pic, cmd, id, norm, option ) {
  fPicHL = 0;
  fState = false;
}
 
//______________________________________________________________________________
BesGPictureButton::BesGPictureButton( const TGWindow* p, const char* pic, Int_t id,
                                      GContext_t norm, UInt_t option )
    : TGPictureButton( p, pic, id, norm, option ) {
  fPicHL = 0;
  fState = false;
}
 
//______________________________________________________________________________
Bool_t BesGPictureButton::HandleCrossing( Event_t* event ) {
  // Handle mouse crossing event.
 
  static const TGPicture* picTemp;
  static Bool_t           state; // state when entering
 
  if ( fPicHL )
  {
    if ( event->fType == kEnterNotify )
    {
      picTemp = fPic;
      state   = fState;
      SetPicture( fPicHL );
    }
    else
    {
      if ( fState == state )
        SetPicture( picTemp ); // if state unchanged, set to pic when cursor entering
      else SetPicture( fPic ); // else, set to state pic
    }
  }
 
  /*
   if (fTip) {
      if (event->fType == kEnterNotify)
         fTip->Reset();
      else
         fTip->Hide();
   }
 
   if ((fgDbw != event->fWindow) || (fgReleaseBtn == event->fWindow)) return kTRUE;
 
   if (!(event->fState & (kButton1Mask | kButton2Mask | kButton3Mask)))
      return kTRUE;
 
   if (fState == kButtonEngaged || fState == kButtonDisabled) return kTRUE;
 
   if (event->fType == kEnterNotify) {
      SetState(kButtonDown, kFALSE);
   } else {
      SetState(kButtonUp, kFALSE);
   }
 
  */
  TGButton::HandleCrossing( event );
  return kTRUE;
}
 
//______________________________________________________________________________
void BesGPictureButton::SetPicture( const TGPicture* new_pic ) {
  // once you SetPicture, you show set the button state
  TGPictureButton::SetPicture( new_pic );
}