MUON/AliMUONPainterInterfaceHelper.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 "AliMUONPainterInterfaceHelper.h"
  19
  20 ///\class AliMUONPainterInterfaceHelper
  21 ///
  22 /// Helper class to work with TGButtonGroup
  23 ///
  24 /// This class only works if the buttons in the TGButtonGroup have contiguous
  25 /// ids, and if those ids start at ButtonStartingId().
  26 /// Not bullet-proof, I admit, but this is the only way I've found with
  27 /// the current TGButtonGroup implementation which does not allow to loop
  28 /// easily on all buttons.
  29 ///
  30 // Author Laurent Aphecetche, Subatech
  31
  32 #include "AliMUONPainterEnv.h"
  33 #include "AliMUONPainterHelper.h"
  34 #include "AliLog.h"
  35 #include <Riostream.h>
  36 #include <TClass.h>
  37 #include <TGButtonGroup.h>
  38 #include <TGButton.h>
  39 #include <TGClient.h>
  40 #include <TObjArray.h>
  41 #include <TObjString.h>
  42 #include <TString.h>
  43 #include <RVersion.h>
  44 #include <cassert>
  45
  46 using std::cout;
  47 using std::endl;
  48 ///\cond CLASSIMP
  49 ClassImp(AliMUONPainterInterfaceHelper)
  50 ///\endcond
  51
  52 //_____________________________________________________________________________
  53 AliMUONPainterInterfaceHelper::AliMUONPainterInterfaceHelper() : TObject()
  54 {
  55   /// ctor
  56 }
  57
  58 //_____________________________________________________________________________
  59 AliMUONPainterInterfaceHelper::~AliMUONPainterInterfaceHelper()
  60 {
  61   /// dtor
  62 }
  63
  64 //_____________________________________________________________________________
  65 void
  66 AliMUONPainterInterfaceHelper::AddRadioButton(TGButtonGroup& bg,
  67                                               const TString& name,
  68                                               void* userData,
  69                                               Bool_t select)
  70 {
  71   /// Add a radio button to a group
  72   Int_t n = bg.GetCount();
  73
  74   TGButton* button = new TGRadioButton(&bg,
  75                                        name.Data(),
  76                                        n+ButtonStartingId());
  77   button->SetUserData(userData);
  78   button->SetOn(select,kFALSE);
  79 }
  80
  81 //_____________________________________________________________________________
  82 void
  83 AliMUONPainterInterfaceHelper::AddCheckButton(TGButtonGroup& bg,
  84                                               const TString& name,
  85                                               void* userData,
  86                                               Bool_t select)
  87 {
  88   /// Add a check button to a group
  89   Int_t n = bg.GetCount();
  90
  91   TGButton* button = new TGCheckButton(&bg,
  92                                        name.Data(),
  93                                        n+ButtonStartingId());
  94   button->SetUserData(userData);
  95   button->SetOn(select,kFALSE);
  96 }
  97
  98 //_____________________________________________________________________________
  99 void
 100 AliMUONPainterInterfaceHelper::ClearButtons(TGButtonGroup& bg)
 101 {
 102   /// Remove all buttons from group.
 103   /// Bear in mind that you're thus disconnecting the group from
 104   /// any signals it might have. So you must re-connect them after
 105   /// a call to this method, if you want to.
 106
 107   while ( bg.GetCount() > 0 )
 108   {
 109     TGTextButton* button = (TGTextButton*)(bg.GetButton(bg.GetCount()));
 110     if ( !button )
 111     {
 112       AliFatalClass(Form("Got a null button for bg.Count()=%d",bg.GetCount()));
 113     }
 114     bg.Remove(button);
 115 #if ROOT_VERSION_CODE <= ROOT_VERSION(5,16,0)
 116     button->DestroyWindow();
 117 #endif
 118     delete button;
 119   }
 120 }
 121
 122 //_____________________________________________________________________________
 123 void
 124 AliMUONPainterInterfaceHelper::Copy(const TGButtonGroup& src, TGButtonGroup& dest)
 125 {
 126   /// Copy a button group into another one
 127   AliDebugClass(1,Form("src=%p (%s) count=%d dest=%p (%s) count=%d",
 128                        &src,src.GetTitle(),src.GetCount(),
 129                        &dest,dest.GetTitle(),dest.GetCount()));
 130
 131   StdoutToAliDebugClass(1,cout << "---copying:" << endl; Dump(src);
 132                         cout << "---to:" << endl; Dump(dest));
 133
 134   ClearButtons(dest);
 135
 136   dest.SetTitle(src.GetTitle());
 137
 138   if ( &src != &dest )
 139   {
 140     for ( Int_t i = ButtonStartingId(); i < ButtonStartingId() + src.GetCount(); ++i )
 141     {
 142       TGTextButton* tb = static_cast<TGTextButton*>(src.GetButton(i));
 143       TGButton* button = new TGRadioButton(&dest,tb->GetTitle(),tb->WidgetId());
 144       assert(tb->WidgetId()==i);
 145       button->SetUserData(tb->GetUserData());
 146       button->SetOn(tb->IsOn(),kFALSE);
 147     }
 148   }
 149 }
 150
 151 //_____________________________________________________________________________
 152 void
 153 AliMUONPainterInterfaceHelper::Dump(const TGButtonGroup& bg)
 154 {
 155   /// Printout
 156   cout << Form("ButtonGroup %s %s",bg.GetName(),bg.GetTitle()) << endl;
 157
 158   for ( Int_t i = ButtonStartingId(); i < bg.GetCount() + ButtonStartingId(); ++i )
 159   {
 160     TGTextButton* button = static_cast<TGTextButton*>(bg.GetButton(i));
 161     if ( button )
 162     {
 163       cout << Form("i %2d button %s id %lu wid %d ON %d",
 164                  i,button->GetTitle(),button->GetId(),
 165                  button->WidgetId(),
 166                  button->IsOn()) << endl;
 167     }
 168     else
 169     {
 170       cout << Form("i %2d button = 0x0",i) << endl;
 171     }
 172   }
 173 }
 174
 175 //_____________________________________________________________________________
 176 TGButton*
 177 AliMUONPainterInterfaceHelper::FindButtonByName(const TGButtonGroup& bg,
 178                                                 const TString& name)
 179 {
 180   /// Find a button by name
 181
 182   for ( Int_t i = ButtonStartingId(); i < ButtonStartingId() + bg.GetCount(); ++i )
 183   {
 184     TGTextButton* button = static_cast<TGTextButton*>(bg.GetButton(i));
 185     if (!button)
 186     {
 187       AliErrorClass(Form("(%s) : Something wrong",name.Data()));
 188       Dump(bg);
 189     }
 190     else
 191     {
 192       if ( name == button->GetTitle() )
 193       {
 194         return button;
 195       }
 196     }
 197   }
 198   return 0x0;
 199 }
 200
 201 //_____________________________________________________________________________
 202 TGButton*
 203 AliMUONPainterInterfaceHelper::FindButtonByUserData(const TGButtonGroup& bg,
 204                                                     const void* userData)
 205 {
 206   /// Find a button by userData
 207
 208   for ( Int_t i = ButtonStartingId(); i < ButtonStartingId() + bg.GetCount(); ++i )
 209   {
 210     TGButton* button = bg.GetButton(i);
 211     if ( button->GetUserData() == userData )
 212     {
 213       return button;
 214     }
 215   }
 216   return 0x0;
 217 }
 218
 219 //_____________________________________________________________________________
 220 TGButton*
 221 AliMUONPainterInterfaceHelper::FindDownButton(const TGButtonGroup& bg)
 222 {
 223   /// Find which button is down (in a radio group)
 224
 225   AliDebugClass(1,Form("bg %s",bg.GetTitle()));
 226
 227   for ( Int_t i = ButtonStartingId(); i < ButtonStartingId() + bg.GetCount(); ++i )
 228   {
 229     TGButton* button = bg.GetButton(i);
 230     if ( button->IsOn() )
 231     {
 232       AliDebugClass(1,Form("button %s",button->GetTitle()));
 233       return button;
 234     }
 235   }
 236   return 0x0;
 237 }
 238
 239
 240 //_____________________________________________________________________________
 241 void
 242 AliMUONPainterInterfaceHelper::SetBackgroundColor(const char* resourceBaseName,
 243                                                   TGWindow& window)
 244 {
 245   /// Set the background color of the window
 246   TString rs(Form("%s.BackgroundColor",resourceBaseName));
 247   TString colorName = AliMUONPainterHelper::Instance()->Env()->String(rs.Data(),"#c0c0c0");
 248
 249   Pixel_t color;
 250   Bool_t ok = gClient->GetColorByName(colorName, color);
 251   if ( ok )
 252   {
 253     window.SetBackgroundColor(color);
 254     AliDebugClass(1,Form("Setting %s color to %s",rs.Data(),colorName.Data()));
 255   }
 256 }
 257
 258 //_____________________________________________________________________________
 259 void
 260 AliMUONPainterInterfaceHelper::SetState(TGButtonGroup& bg, Bool_t state)
 261 {
 262   /// should not be needed with root > 5.16/00 as there's a TGButtonGroup::SetState
 263   /// method now...
 264
 265 #if ROOT_VERSION_CODE > ROOT_VERSION(5,16,0)
 266   bg.SetState(state);
 267 #else
 268   for ( Int_t i = ButtonStartingId(); i < ButtonStartingId() + bg.GetCount(); ++i )
 269   {
 270     TGTextButton* button = (TGTextButton*)(bg.GetButton(i));
 271     if ( state )
 272     {
 273       button->SetState(kButtonUp);
 274     }
 275     else
 276     {
 277       button->SetState(kButtonDisabled);
 278     }
 279   }
 280 #endif
 281 }
 282
 283 //_____________________________________________________________________________
 284 void
 285 AliMUONPainterInterfaceHelper::Select(TGButtonGroup& bg,
 286                                       const TString& buttonName,
 287                                       Bool_t emit)
 288 {
 289   /// Select which button should be on
 290
 291   AliDebugClass(1,Form("bg %s buttonName %s",bg.GetTitle(),buttonName.Data()));
 292
 293   for ( Int_t i = ButtonStartingId(); i < ButtonStartingId() + bg.GetCount(); ++i )
 294   {
 295     TGTextButton* button = (TGTextButton*)(bg.GetButton(i));
 296     if ( buttonName == button->GetTitle() || buttonName == "*" )
 297     {
 298       if ( emit )
 299       {
 300         button->Clicked();
 301       }
 302       else
 303       {
 304         button->SetOn(kTRUE);
 305       }
 306     }
 307   }
 308 }
 309
 310 //_____________________________________________________________________________
 311 void
 312 AliMUONPainterInterfaceHelper::Unselect(TGButtonGroup& bg,
 313                                         const TString& buttonName,
 314                                         Bool_t emit)
 315 {
 316   /// Unselect a given button
 317
 318   for ( Int_t i = ButtonStartingId(); i < ButtonStartingId() + bg.GetCount(); ++i )
 319   {
 320     TGTextButton* button = (TGTextButton*)(bg.GetButton(i));
 321     if ( buttonName == button->GetTitle() || buttonName == "*" )
 322     {
 323       if ( emit )
 324       {
 325         button->Released();
 326       }
 327       else
 328       {
 329         button->SetOn(kFALSE);
 330       }
 331     }
 332   }
 333 }
 334
 335 //_____________________________________________________________________________
 336 void
 337 AliMUONPainterInterfaceHelper::RemoveButton(TGButtonGroup& bg,
 338                                             const TGButton* button)
 339 {
 340   /// Remove a button
 341
 342   // need to redo it from scratch in order not the leave holes in the
 343   // id numbering
 344
 345   TGButtonGroup bgtmp(bg.GetParent(),bg.GetTitle());
 346
 347   Int_t id(ButtonStartingId());
 348
 349   for ( Int_t i = ButtonStartingId(); i < ButtonStartingId() + bg.GetCount(); ++i )
 350   {
 351     TGTextButton* b = static_cast<TGTextButton*>(bg.GetButton(i));
 352
 353     if ( b != button )
 354     {
 355       TGButton* bc = new TGRadioButton(&bgtmp,b->GetTitle(),id);
 356       ++id;
 357       bc->SetUserData(b->GetUserData());
 358       bc->SetOn(b->IsOn());
 359     }
 360   }
 361
 362   ClearButtons(bg);
 363
 364   Copy(bgtmp,bg);
 365
 366   bg.Show();
 367 }