MUON/AliMUONPainterDataSourceItem.cxx

   1 /**************************************************************************
   2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3 *                                                                        *
   4 * Author: The ALICE Off-line Project.                                    *
   5 * Contributors are mentioned in the code where appropriate.              *
   6 *                                                                        *
   7 * Permission to use, copy, modify and distribute this software and its   *
   8 * documentation strictly for non-commercial purposes is hereby granted   *
   9 * without fee, provided that the above copyright notice appears in all   *
  10 * copies and that both the copyright notice and this permission notice   *
  11 * appear in the supporting documentation. The authors make no claims     *
  12 * about the suitability of this software for any purpose. It is          *
  13 * provided "as is" without express or implied warranty.                  *
  14 **************************************************************************/
  15
  16 // $Id$
  17
  18 #include "AliMUONPainterDataSourceItem.h"
  19
  20 #include "AliMUONVTrackerDataMaker.h"
  21 #include "AliMUONVTrackerData.h"
  22 #include "AliLog.h"
  23 #include <TGLabel.h>
  24 #include <TGButton.h>
  25 #include <TSystem.h>
  26 #include <TThread.h>
  27 #include <Riostream.h>
  28
  29 ///\class AliMUONPainterDataSourceItem
  30 ///
  31 /// Widget to show one data source, and allow to run/stop/rewind/remove it
  32 ///
  33 /// WARNING : the thread business is not really working yet (AliRawReaders are
  34 /// not really thread-safe for the moment). So please use a single raw data
  35 /// source at a time, otherwise you'll get a crash !
  36 ///
  37 ///\author Laurent Aphecetche, Subatech
  38
  39 ///\cond CLASSIMP
  40 ClassImp(AliMUONPainterDataSourceItem)
  41 ///\endcond
  42
  43 namespace
  44 {
  45   void* RunFunction(void* args)
  46   {
  47     Long_t* params = (Long_t*)(args);
  48
  49     AliMUONPainterDataSourceItem* calling = reinterpret_cast<AliMUONPainterDataSourceItem*>(params[0]);
  50     AliMUONVTrackerDataMaker* reader = reinterpret_cast<AliMUONVTrackerDataMaker*> (params[1]);
  51
  52     Bool_t ok(kTRUE);
  53
  54     while ( ok )
  55     {
  56       ok = reader->NextEvent();
  57       if ( !reader->IsRunning() ) gSystem->Sleep(1000);
  58     }
  59
  60     calling->Rewind();
  61
  62     return 0x0;
  63   }
  64 }
  65
  66 //_____________________________________________________________________________
  67 AliMUONPainterDataSourceItem::AliMUONPainterDataSourceItem(const TGWindow* p,
  68                                                            UInt_t w, UInt_t h,
  69                                                            AliMUONVTrackerDataMaker* reader)
  70 : TGCompositeFrame(p,w,h,kHorizontalFrame),
  71   fDataReader(reader),
  72   fSourceName(new TGLabel(this,reader->Data()->Name())),
  73   fSource(new TGLabel(this,reader->Source().Data())),
  74   fNumberOfEvents(new TGLabel(this,Form("%10d",0))),
  75   fRun(new TGTextButton(this,"Run")),
  76   fStop(new TGTextButton(this,"Stop")),
  77   fRewind(new TGTextButton(this,"Rewind")),
  78   fRemove(0x0),//new TGTextButton(this,"Remove")),
  79   fThread(0x0),
  80   fShouldReset(kFALSE)
  81 {
  82     /// ctor
  83
  84     Update();
  85
  86     fRun->SetEnabled(reader->Data()->IsRunnable());
  87     fRun->Connect("Clicked()",
  88                   "AliMUONPainterDataSourceItem",
  89                   this,
  90                   "Run()");
  91
  92     fStop->SetEnabled(kFALSE);
  93     fStop->Connect("Clicked()",
  94                    "AliMUONPainterDataSourceItem",
  95                    this,
  96                    "Stop()");
  97
  98     fRewind->SetEnabled(kFALSE);
  99     fRewind->Connect("Clicked()",
 100                      "AliMUONPainterDataSourceItem",
 101                      this,
 102                      "Rewind()");
 103
 104 //    fRemove->Connect("Clicked()",
 105 //                     "AliMUONPainterDataSourceItem",
 106 //                     this,
 107 //                     "Remove()");
 108
 109     AddFrame(fSourceName, new TGLayoutHints(kLHintsNormal | kLHintsCenterY,5,5,5,5));
 110     AddFrame(fSource,new TGLayoutHints(kLHintsExpandX | kLHintsCenterY,5,5,5,5));
 111     AddFrame(fNumberOfEvents,new TGLayoutHints(kLHintsNormal | kLHintsCenterY,5,5,5,5));
 112     AddFrame(fRun,new TGLayoutHints(kLHintsCenterY | kLHintsCenterY,5,5,5,5));
 113     AddFrame(fStop,new TGLayoutHints(kLHintsCenterY | kLHintsCenterY,5,5,5,5));
 114     AddFrame(fRewind,new TGLayoutHints(kLHintsCenterY | kLHintsCenterY,5,5,5,5));
 115 //    AddFrame(fRemove,new TGLayoutHints(kLHintsCenterY | kLHintsCenterY,5,5,5,5));
 116
 117     reader->Data()->Connect("NumberOfEventsChanged()",
 118                             "AliMUONPainterDataSourceItem",
 119                             this,
 120                             "Update()");
 121     Resize();
 122 }
 123
 124 //_____________________________________________________________________________
 125 AliMUONPainterDataSourceItem::~AliMUONPainterDataSourceItem()
 126 {
 127   /// dtor
 128   TThread::Delete(fThread);
 129   delete fThread;
 130 }
 131
 132
 133 //_____________________________________________________________________________
 134 void
 135 AliMUONPainterDataSourceItem::EnableRun()
 136 {
 137   /// Enable run button
 138   fRun->SetEnabled(kTRUE);
 139 }
 140
 141 //_____________________________________________________________________________
 142 void
 143 AliMUONPainterDataSourceItem::DisableRun()
 144 {
 145   /// Disable run button
 146   fRun->SetEnabled(kFALSE);
 147 }
 148
 149 //_____________________________________________________________________________
 150 void
 151 AliMUONPainterDataSourceItem::Reset()
 152 {
 153   /// Reset the data
 154   fDataReader->Data()->Clear();
 155 }
 156
 157 //_____________________________________________________________________________
 158 void
 159 AliMUONPainterDataSourceItem::Rewind()
 160 {
 161   /// Rewind button was clicked
 162
 163   fRewind->SetEnabled(kTRUE);
 164
 165   Stop();
 166
 167   TThread::Delete(fThread);
 168   delete fThread;
 169   fThread = 0x0;
 170
 171   fRun->SetEnabled(kTRUE);
 172   fStop->SetEnabled(kFALSE);
 173   fRewind->SetEnabled(kFALSE);
 174
 175   fDataReader->Rewind();
 176
 177   fShouldReset = kTRUE;
 178 }
 179
 180 //_____________________________________________________________________________
 181 void
 182 AliMUONPainterDataSourceItem::Run()
 183 {
 184   /// Run button was clicked
 185
 186   StartRunning();
 187
 188   if ( fShouldReset )
 189   {
 190     Reset();
 191     fShouldReset = kFALSE;
 192   }
 193
 194 //  fRemove->SetEnabled(kFALSE);
 195
 196   if (!fThread)
 197   {
 198     fParams[0] = (Long_t)(this);
 199     fParams[1] = (Long_t)(fDataReader);
 200     fThread = new TThread(RunFunction,(void*)(&fParams[0]));
 201     fThread->Run();
 202   }
 203
 204   fDataReader->SetRunning(kTRUE);
 205
 206   fRun->SetEnabled(kFALSE);
 207   fStop->SetEnabled(kTRUE);
 208 }
 209
 210 //_____________________________________________________________________________
 211 void
 212 AliMUONPainterDataSourceItem::Stop()
 213 {
 214   /// Stop button was clicked
 215
 216   StopRunning();
 217
 218   fDataReader->SetRunning(kFALSE);
 219
 220   fStop->SetEnabled(kFALSE);
 221   fRun->SetEnabled(kTRUE);
 222
 223   //  fRemove->SetEnabled(kTRUE);
 224 }
 225
 226 //_____________________________________________________________________________
 227 void
 228 AliMUONPainterDataSourceItem::Update()
 229 {
 230   /// Update ourselves
 231
 232   fNumberOfEvents->SetText(Form("%10d",fDataReader->Data()->NumberOfEvents()));
 233 }
 234
 235 //_____________________________________________________________________________
 236 void
 237 AliMUONPainterDataSourceItem::StartRunning()
 238 {
 239   /// Signal we start to run
 240   Emit("StartRunning()");
 241 }
 242
 243 //_____________________________________________________________________________
 244 void
 245 AliMUONPainterDataSourceItem::StopRunning()
 246 {
 247   /// Signal we stop to run
 248   Emit("StopRunning()");
 249 }