00001 // @(#)root/gui:$Id: TGIdleHandler.cxx 23115 2008-04-10 13:35:37Z rdm $ 00002 // Author: Fons Rademakers 2/8/2004 00003 00004 /************************************************************************* 00005 * Copyright (C) 1995-2004, Rene Brun and Fons Rademakers. * 00006 * All rights reserved. * 00007 * * 00008 * For the licensing terms see $ROOTSYS/LICENSE. * 00009 * For the list of contributors see $ROOTSYS/README/CREDITS. * 00010 *************************************************************************/ 00011 00012 ////////////////////////////////////////////////////////////////////////// 00013 // // 00014 // TGIdleHandler // 00015 // // 00016 // Handle idle events, i.e. process GUI actions when there is nothing // 00017 // else anymore to do. // 00018 // // 00019 ////////////////////////////////////////////////////////////////////////// 00020 00021 #include "TGIdleHandler.h" 00022 #include "TGWindow.h" 00023 00024 00025 ClassImp(TGIdleHandler) 00026 00027 //______________________________________________________________________________ 00028 TGIdleHandler::TGIdleHandler(TGWindow *w) 00029 { 00030 // Create idle handler. 00031 00032 if (w) { 00033 fWindow = w; 00034 if (fWindow->GetClient()) 00035 fWindow->GetClient()->AddIdleHandler(this); 00036 } else 00037 Error("TGIdleHandler", "window cannot be 0"); 00038 } 00039 00040 //______________________________________________________________________________ 00041 TGIdleHandler::~TGIdleHandler() 00042 { 00043 // Delete idle handler. 00044 00045 if (fWindow->GetClient()) 00046 fWindow->GetClient()->RemoveIdleHandler(this); 00047 } 00048 00049 //______________________________________________________________________________ 00050 Bool_t TGIdleHandler::HandleEvent() 00051 { 00052 // Handle the idle event. Returns true if the event has been handled, 00053 // false otherwise. 00054 00055 return fWindow->HandleIdleEvent(this); 00056 }
1.5.1