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 <TThread.h>
  26 #include <Riostream.h>
  27
  28 ///\class AliMUONPainterDataSourceItem
  29 ///
  30 /// Widget to show one data source, and allow to run/stop/rewind/remove it
  31 ///
  32 /// WARNING : the thread business is not really working yet (AliRawReaders are
  33 /// not really thread-safe for the moment). So please use a single raw data
  34 /// source at a time, otherwise you'll get a crash !
  35 ///
  36 ///\author Laurent Aphecetche, Subatech
  37
  38 ///\cond CLASSIMP
  39 ClassImp(AliMUONPainterDataSourceItem)
  40 ///\endcond
  41
  42 namespace
  43 {
  44   void* RunFunction(void* args)
  45   {
  46     Long_t* params = (Long_t*)(args);
  47
  48     AliMUONPainterDataSourceItem* calling = reinterpret_cast<AliMUONPainterDataSourceItem*>(params[0]);
  49     AliMUONVTrackerDataMaker* reader = reinterpret_cast<AliMUONVTrackerDataMaker*> (params[1]);
  50
  51     Bool_t ok(kTRUE);
  52
  53     while ( ok )
  54     {
  55       ok = reader->NextEvent();
  56     }
  57
  58     calling->Rewind();
  59
  60     return 0x0;
  61   }
  62 }
  63
  64 //_____________________________________________________________________________
  65 AliMUONPainterDataSourceItem::AliMUONPainterDataSourceItem(const TGWindow* p,
  66                                                            UInt_t w, UInt_t h,
  67                                                            AliMUONVTrackerDataMaker* reader)
  68 : TGCompositeFrame(p,w,h,kHorizontalFrame),
  69   fDataReader(reader),
  70   fSourceName(new TGLabel(this,reader->Data()->Name())),
  71   fSource(new TGLabel(this,reader->Source().Data())),
  72   fNumberOfEvents(new TGLabel(this,"0")),
  73   fRun(new TGTextButton(this,"Run")),
  74   fStop(new TGTextButton(this,"Stop")),
  75   fRewind(new TGTextButton(this,"Rewind")),
  76   fRemove(new TGTextButton(this,"Remove")),
  77   fThread(0x0),
  78   fShouldReset(kFALSE)
  79 {
  80     /// ctor
  81
  82     Update();
  83
  84     fRun->SetEnabled(reader->Data()->IsRunnable());
  85     fRun->Connect("Clicked()",
  86                   "AliMUONPainterDataSourceItem",
  87                   this,
  88                   "Run()");
  89
  90     fStop->SetEnabled(kFALSE);
  91     fStop->Connect("Clicked()",
  92                    "AliMUONPainterDataSourceItem",
  93                    this,
  94                    "Stop()");
  95
  96     fRewind->SetEnabled(kFALSE);
  97     fRewind->Connect("Clicked()",
  98                      "AliMUONPainterDataSourceItem",
  99                      this,
 100                      "Rewind()");
 101
 102     fRemove->Connect("Clicked()",
 103                      "AliMUONPainterDataSourceItem",
 104                      this,
 105                      "Remove()");
 106
 107     AddFrame(fSourceName, new TGLayoutHints(kLHintsNormal | kLHintsCenterY,5,5,5,5));
 108     AddFrame(fSource,new TGLayoutHints(kLHintsExpandX | kLHintsCenterY,5,5,5,5));
 109     AddFrame(fNumberOfEvents,new TGLayoutHints(kLHintsNormal | kLHintsCenterY,5,5,5,5));
 110     AddFrame(fRun,new TGLayoutHints(kLHintsCenterY | kLHintsCenterY,5,5,5,5));
 111     AddFrame(fStop,new TGLayoutHints(kLHintsCenterY | kLHintsCenterY,5,5,5,5));
 112     AddFrame(fRewind,new TGLayoutHints(kLHintsCenterY | kLHintsCenterY,5,5,5,5));
 113     AddFrame(fRemove,new TGLayoutHints(kLHintsCenterY | kLHintsCenterY,5,5,5,5));
 114
 115     reader->Data()->Connect("NumberOfEventsChanged()",
 116                             "AliMUONPainterDataSourceItem",
 117                             this,
 118                             "Update()");
 119     Resize();
 120 }
 121
 122 //_____________________________________________________________________________
 123 AliMUONPainterDataSourceItem::~AliMUONPainterDataSourceItem()
 124 {
 125   /// dtor
 126   TThread::Delete(fThread);
 127   delete fThread;
 128 }
 129
 130 //_____________________________________________________________________________
 131 void
 132 AliMUONPainterDataSourceItem::Remove()
 133 {
 134   /// Remove button was clicked
 135 }
 136
 137 //_____________________________________________________________________________
 138 void
 139 AliMUONPainterDataSourceItem::Reset()
 140 {
 141   /// Reset the data
 142   fDataReader->Data()->Clear();
 143 }
 144
 145 //_____________________________________________________________________________
 146 void
 147 AliMUONPainterDataSourceItem::Rewind()
 148 {
 149   /// Rewind button was clicked
 150
 151   fRewind->SetEnabled(kTRUE);
 152
 153   Stop();
 154
 155   TThread::Delete(fThread);
 156   delete fThread;
 157   fThread = 0x0;
 158
 159   fRun->SetEnabled(kTRUE);
 160   fStop->SetEnabled(kFALSE);
 161   fRewind->SetEnabled(kFALSE);
 162
 163   fDataReader->Rewind();
 164
 165   fShouldReset = kTRUE;
 166 }
 167
 168 //_____________________________________________________________________________
 169 void
 170 AliMUONPainterDataSourceItem::Run()
 171 {
 172   /// Run button was clicked
 173
 174   if ( fShouldReset )
 175   {
 176     Reset();
 177     fShouldReset = kFALSE;
 178   }
 179
 180   fRemove->SetEnabled(kFALSE);
 181
 182   if (!fThread)
 183   {
 184     fParams[0] = (Long_t)(this);
 185     fParams[1] = (Long_t)(fDataReader);
 186     fThread = new TThread(RunFunction,(void*)(&fParams[0]));
 187     fThread->Run();
 188   }
 189
 190   fDataReader->SetRunning(kTRUE);
 191
 192   fRun->SetEnabled(kFALSE);
 193   fStop->SetEnabled(kTRUE);
 194 }
 195
 196 //_____________________________________________________________________________
 197 void
 198 AliMUONPainterDataSourceItem::Stop()
 199 {
 200   /// Stop button was clicked
 201
 202   fDataReader->SetRunning(kFALSE);
 203
 204   fStop->SetEnabled(kFALSE);
 205   fRun->SetEnabled(kTRUE);
 206   fRemove->SetEnabled(kTRUE);
 207 }
 208
 209 //_____________________________________________________________________________
 210 void
 211 AliMUONPainterDataSourceItem::Update()
 212 {
 213   /// Update ourselves
 214
 215   fNumberOfEvents->SetText(Form("%10d",fDataReader->Data()->NumberOfEvents()));
 216 }