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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 | fAutoButton(new TGTextButton(this,"Auto")), | |
44 | fLockButton(new TGTextButton(this,"Lock")) | |
45 | { | |
46 | /// ctor | |
47 | Int_t ndivisions(20); | |
48 | ||
49 | Int_t hsize = (h-100)/(ndivisions+2); | |
50 | Int_t topBorder(5); | |
51 | ||
52 | Double_t min(0.0); | |
53 | Double_t max(1.0); | |
54 | ||
55 | Double_t step = (max-min)/ndivisions; | |
56 | ||
57 | for ( Int_t i = -1; i < ndivisions+1; ++i ) | |
58 | { | |
59 | Double_t value = max - (min + step*i); | |
60 | ||
61 | Int_t color = AliMUONPainterHelper::Instance()->ColorFromValue(value, | |
62 | min,max); | |
63 | Pixel_t pixel = gVirtualX->GetPixel(color); | |
64 | TGVerticalFrame* frame = new TGVerticalFrame(this,w,hsize,kFixedSize,pixel); | |
65 | ||
66 | AddFrame(frame,new TGLayoutHints(kLHintsExpandX,0,0,topBorder,0)); | |
67 | ||
68 | topBorder = 0; | |
69 | } | |
70 | ||
71 | fEntryMax = new TGNumberEntry(this); | |
72 | ||
73 | AddFrame(fEntryMax,new TGLayoutHints(kLHintsExpandX,0,0,topBorder,0)); | |
74 | ||
75 | fEntryMin = new TGNumberEntry(this); | |
76 | ||
77 | AddFrame(fEntryMin,new TGLayoutHints(kLHintsExpandX,0,0,topBorder,0)); | |
78 | ||
79 | AddFrame(fAutoButton,new TGLayoutHints(kLHintsExpandX,0,0,topBorder,0)); | |
80 | ||
81 | fAutoButton->Connect("Clicked()","AliMUONPainterColorSlider",this,"DataRangeAutoRequested()"); | |
82 | ||
83 | AddFrame(fLockButton,new TGLayoutHints(kLHintsExpandX,0,0,topBorder,0)); | |
84 | ||
85 | fLockButton->Connect("Clicked()","AliMUONPainterColorSlider",this,"LockButtonWasClicked()"); | |
86 | ||
87 | fEntryMax->Connect("ValueSet(Long_t)","AliMUONPainterColorSlider",this,"DataRangeWasChanged(Double_t*)"); | |
88 | fEntryMin->Connect("ValueSet(Long_t)","AliMUONPainterColorSlider",this,"DataRangeWasChanged(Double_t*)"); | |
89 | } | |
90 | ||
91 | //_____________________________________________________________________________ | |
92 | AliMUONPainterColorSlider::~AliMUONPainterColorSlider() | |
93 | { | |
94 | /// dtor | |
95 | } | |
96 | ||
97 | //_____________________________________________________________________________ | |
98 | void | |
99 | AliMUONPainterColorSlider::DataRangeAutoRequested() | |
100 | { | |
101 | /// Signal that the "Auto" button was clicked | |
102 | AliDebug(1,""); | |
103 | Emit("DataRangeAutoRequested()"); | |
104 | } | |
105 | ||
106 | //_____________________________________________________________________________ | |
107 | void | |
108 | AliMUONPainterColorSlider::DataRangeWasChanged(Double_t*) | |
109 | { | |
110 | /// Data range was changed | |
111 | ||
112 | Double_t values[] = { fEntryMin->GetNumber(), fEntryMax->GetNumber() }; | |
113 | ||
114 | Long_t param[] = { (Long_t)values }; | |
115 | ||
116 | AliDebug(1,Form("double min %e max %e",values[0],values[1])); | |
117 | ||
118 | Emit("DataRangeWasChanged(Double_t*)",param); | |
119 | } | |
120 | ||
121 | //_____________________________________________________________________________ | |
122 | Bool_t | |
123 | AliMUONPainterColorSlider::IsLocked() const | |
124 | { | |
125 | /// Whether our range is locked or not | |
126 | ||
127 | return (fLockButton->GetString() == "Unlock"); // if we can unlock it means we are locked... | |
128 | } | |
129 | ||
130 | //_____________________________________________________________________________ | |
131 | void | |
132 | AliMUONPainterColorSlider::LockButtonWasClicked() | |
133 | { | |
134 | /// Lock (toggle button) was clicked | |
135 | ||
136 | if ( IsLocked() ) | |
137 | { | |
138 | // unlock it | |
139 | fLockButton->SetText("Lock"); | |
140 | fEntryMin->SetState(kTRUE); | |
141 | fEntryMax->SetState(kTRUE); | |
142 | fAutoButton->SetEnabled(kTRUE); | |
143 | } | |
144 | else | |
145 | { | |
146 | // lock it | |
147 | fLockButton->SetText("Unlock"); | |
148 | fEntryMin->SetState(kFALSE); | |
149 | fEntryMax->SetState(kFALSE); | |
150 | fAutoButton->SetEnabled(kFALSE); | |
151 | } | |
152 | } | |
153 | ||
154 | //_____________________________________________________________________________ | |
155 | void | |
156 | AliMUONPainterColorSlider::SetRange(Double_t min, Double_t max, Bool_t emit) | |
157 | { | |
158 | /// Set the data range | |
159 | ||
160 | AliDebug(1,Form("min %e max %e emit %d",min,max,emit)); | |
161 | ||
162 | if ( !IsLocked() ) | |
163 | { | |
164 | fMin = min; | |
165 | fMax = max; | |
166 | ||
167 | fEntryMin->SetNumber(fMin); | |
168 | fEntryMax->SetNumber(fMax); | |
169 | } | |
170 | ||
171 | if ( emit ) | |
172 | { | |
173 | DataRangeWasChanged(0x0); | |
174 | } | |
175 | } | |
176 |