MUON/AliMUONPainterColorSlider.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 "AliMUONPainterColorSlider.h"
  19 #include "AliMUONPainterHelper.h"
  20 #include "AliLog.h"
  21 #include <TGNumberEntry.h>
  22 #include <TGButton.h>
  23 #include <TMath.h>
  24
  25 ///\class AliMUONPainterColorSlider
  26 ///
  27 /// A painter color palette
  28 ///
  29 ///\author Laurent Aphecetche, Subatech
  30
  31 ///\cond CLASSIMP
  32 ClassImp(AliMUONPainterColorSlider)
  33 ///\endcond
  34
  35 //_____________________________________________________________________________
  36 AliMUONPainterColorSlider::AliMUONPainterColorSlider(const TGWindow* p,
  37                                                      UInt_t w, UInt_t h)
  38 : TGCompositeFrame(p,w,h,kVerticalFrame),
  39   fEntryMin(0x0),
  40   fEntryMax(0x0),
  41   fMin(FLT_MAX),
  42   fMax(-FLT_MAX)
  43 {
  44     /// ctor
  45     Int_t ndivisions(20);
  46
  47     Int_t hsize = (h-100)/(ndivisions+2);
  48   Int_t topBorder(5);
  49
  50   Double_t min(0.0);
  51   Double_t max(1.0);
  52
  53   Double_t step = (max-min)/ndivisions;
  54
  55   for ( Int_t i = -1; i <= ndivisions+1; ++i )
  56   {
  57     Double_t value = max - (min + step*i);
  58
  59     Int_t color = AliMUONPainterHelper::Instance()->ColorFromValue(value,
  60                                                                    min,max);
  61     Pixel_t pixel = gVirtualX->GetPixel(color);
  62     TGVerticalFrame* frame = new TGVerticalFrame(this,w,hsize,kFixedSize,pixel);
  63
  64     AddFrame(frame,new TGLayoutHints(kLHintsExpandX,0,0,topBorder,0));
  65
  66     topBorder = 0;
  67   }
  68
  69   fEntryMax = new TGNumberEntry(this);
  70
  71   AddFrame(fEntryMax,new TGLayoutHints(kLHintsExpandX,0,0,topBorder,0));
  72
  73   fEntryMin = new TGNumberEntry(this);
  74
  75   AddFrame(fEntryMin,new TGLayoutHints(kLHintsExpandX,0,0,topBorder,0));
  76
  77 //  fEntryMin->SetFormat(TGNumberFormat::kNESRealOne);
  78 //  fEntryMax->SetFormat(TGNumberFormat::kNESRealOne);
  79
  80   TGTextButton* button = new TGTextButton(this,"Auto");
  81
  82   AddFrame(button,new TGLayoutHints(kLHintsExpandX,0,0,topBorder,0));
  83
  84   button->Connect("Clicked()","AliMUONPainterColorSlider",this,"DataRangeAutoRequested()");
  85
  86   fEntryMax->Connect("ValueSet(Long_t)","AliMUONPainterColorSlider",this,"DataRangeWasChanged(Double_t*)");
  87   fEntryMin->Connect("ValueSet(Long_t)","AliMUONPainterColorSlider",this,"DataRangeWasChanged(Double_t*)");
  88 }
  89
  90 //_____________________________________________________________________________
  91 AliMUONPainterColorSlider::~AliMUONPainterColorSlider()
  92 {
  93   /// dtor
  94 }
  95
  96 //_____________________________________________________________________________
  97 void
  98 AliMUONPainterColorSlider::DataRangeAutoRequested()
  99 {
 100   /// Signal that the "Auto" button was clicked
 101   AliDebug(1,"");
 102   Emit("DataRangeAutoRequested()");
 103 }
 104
 105 //_____________________________________________________________________________
 106 void
 107 AliMUONPainterColorSlider::DataRangeWasChanged(Double_t*)
 108 {
 109   /// Data range was changed
 110
 111   Double_t values[] = { fEntryMin->GetNumber(), fEntryMax->GetNumber() };
 112
 113   Long_t param[] = { (Long_t)values };
 114
 115   AliDebug(1,Form("double min %e max %e",values[0],values[1]));
 116
 117   Emit("DataRangeWasChanged(Double_t*)",param);
 118 }
 119
 120 //_____________________________________________________________________________
 121 void
 122 AliMUONPainterColorSlider::SetRange(Double_t min, Double_t max, Bool_t emit)
 123 {
 124   /// Set the data range
 125
 126   AliDebug(1,Form("min %e max %e emit %d",min,max,emit));
 127
 128   fMin = min;
 129   fMax = max;
 130
 131   fEntryMin->SetNumber(fMin);
 132   fEntryMax->SetNumber(fMax);
 133
 134   if ( emit )
 135   {
 136     DataRangeWasChanged(0x0);
 137   }
 138 }
 139