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Slider3Demo.C
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1 /// \file
2 /// \ingroup tutorial_gui
3 /// Simple macro showing capabilities of triple slider
4 ///
5 /// \macro_code
6 ///
7 /// \author Bertrand Bellenot, Ilka Antcheva
8 
9 #include "TGButton.h"
10 #include "TRootEmbeddedCanvas.h"
11 #include "TGLayout.h"
12 #include "TF1.h"
13 #include "TMath.h"
14 #include "TCanvas.h"
15 #include "TGTextEntry.h"
16 #include "TGTripleSlider.h"
17 
18 enum ETestCommandIdentifiers {
19  HId1,
20  HId2,
21  HId3,
22  HCId1,
23  HCId2,
24 
25  HSId1
26 };
27 
28 class TTripleSliderDemo : public TGMainFrame {
29 
30 private:
31  TRootEmbeddedCanvas *fCanvas;
32  TGLayoutHints *fLcan;
33  TF1 *fFitFcn;
34  TGHorizontalFrame *fHframe0, *fHframe1, *fHframe2;
35  TGLayoutHints *fBly, *fBfly1, *fBfly2, *fBfly3;
36  TGTripleHSlider *fHslider1;
37  TGTextEntry *fTeh1, *fTeh2, *fTeh3;
38  TGTextBuffer *fTbh1, *fTbh2, *fTbh3;
39  TGCheckButton *fCheck1, *fCheck2;
40 
41 public:
42  TTripleSliderDemo();
43  virtual ~TTripleSliderDemo();
44 
45  void CloseWindow();
46  void DoText(const char *text);
47  void DoSlider();
48  void HandleButtons();
49 
50  ClassDef(TTripleSliderDemo, 0)
51 };
52 
53 //______________________________________________________________________________
54 TTripleSliderDemo::TTripleSliderDemo() : TGMainFrame(gClient->GetRoot(), 100, 100)
55 {
56 
57  char buf[32];
58  SetCleanup(kDeepCleanup);
59  // Create an embedded canvas and add to the main frame, centered in x and y
60  // and with 30 pixel margins all around
61  fCanvas = new TRootEmbeddedCanvas("Canvas", this, 600, 400);
62  fLcan = new TGLayoutHints(kLHintsExpandX | kLHintsExpandY, 10, 10, 10, 10);
63  AddFrame(fCanvas, fLcan);
64  fCanvas->GetCanvas()->SetFillColor(33);
65  fCanvas->GetCanvas()->SetFrameFillColor(41);
66  fCanvas->GetCanvas()->SetBorderMode(0);
67  fCanvas->GetCanvas()->SetGrid();
68  fCanvas->GetCanvas()->SetLogy();
69 
70  fHframe0 = new TGHorizontalFrame(this, 0, 0, 0);
71 
72  fCheck1 = new TGCheckButton(fHframe0, "&Constrained", HCId1);
73  fCheck2 = new TGCheckButton(fHframe0, "&Relative", HCId2);
74  fCheck1->SetState(kButtonUp);
75  fCheck2->SetState(kButtonUp);
76  fCheck1->SetToolTipText("Pointer position constrained to slider sides");
77  fCheck2->SetToolTipText("Pointer position relative to slider position");
78 
79  fHframe0->Resize(200, 50);
80 
81  fHframe1 = new TGHorizontalFrame(this, 0, 0, 0);
82 
83  fHslider1 = new TGTripleHSlider(fHframe1, 190, kDoubleScaleBoth, HSId1,
85  GetDefaultFrameBackground(),
87  fHslider1->Connect("PointerPositionChanged()", "TTripleSliderDemo",
88  this, "DoSlider()");
89  fHslider1->Connect("PositionChanged()", "TTripleSliderDemo",
90  this, "DoSlider()");
91  fHslider1->SetRange(0.05,5.0);
92 
93  fHframe1->Resize(200, 25);
94 
95  fHframe2 = new TGHorizontalFrame(this, 0, 0, 0);
96 
97  fTeh1 = new TGTextEntry(fHframe2, fTbh1 = new TGTextBuffer(5), HId1);
98  fTeh2 = new TGTextEntry(fHframe2, fTbh2 = new TGTextBuffer(5), HId2);
99  fTeh3 = new TGTextEntry(fHframe2, fTbh3 = new TGTextBuffer(5), HId3);
100 
101  fTeh1->SetToolTipText("Minimum (left) Value of Slider");
102  fTeh2->SetToolTipText("Pointer Position Value");
103  fTeh3->SetToolTipText("Maximum (right) Value of Slider");
104 
105  fTbh1->AddText(0, "0.0");
106  fTbh2->AddText(0, "0.0");
107  fTbh3->AddText(0, "0.0");
108 
109  fTeh1->Connect("TextChanged(char*)", "TTripleSliderDemo", this,
110  "DoText(char*)");
111  fTeh2->Connect("TextChanged(char*)", "TTripleSliderDemo", this,
112  "DoText(char*)");
113  fTeh3->Connect("TextChanged(char*)", "TTripleSliderDemo", this,
114  "DoText(char*)");
115 
116  fCheck1->Connect("Clicked()", "TTripleSliderDemo", this,
117  "HandleButtons()");
118  fCheck2->Connect("Clicked()", "TTripleSliderDemo", this,
119  "HandleButtons()");
120 
121  fHframe2->Resize(100, 25);
122 
123  //--- layout for buttons: top align, equally expand horizontally
124  fBly = new TGLayoutHints(kLHintsTop | kLHintsExpandX, 5, 5, 5, 5);
125 
126  //--- layout for the frame: place at bottom, right aligned
127  fBfly1 = new TGLayoutHints(kLHintsTop | kLHintsCenterX, 5, 5, 5, 5);
128  fBfly2 = new TGLayoutHints(kLHintsTop | kLHintsLeft, 5, 5, 5, 5);
129  fBfly3 = new TGLayoutHints(kLHintsTop | kLHintsRight, 5, 5, 5, 5);
130 
131  fHframe0->AddFrame(fCheck1, fBfly2);
132  fHframe0->AddFrame(fCheck2, fBfly2);
133  fHframe1->AddFrame(fHslider1, fBly);
134  fHframe2->AddFrame(fTeh1, fBfly2);
135  fHframe2->AddFrame(fTeh2, fBfly1);
136  fHframe2->AddFrame(fTeh3, fBfly3);
137 
138  AddFrame(fHframe0, fBly);
139  AddFrame(fHframe1, fBly);
140  AddFrame(fHframe2, fBly);
141 
142  // Set main frame name, map sub windows (buttons), initialize layout
143  // algorithm via Resize() and map main frame
144  SetWindowName("Triple Slider Demo");
145  MapSubwindows();
146  Resize(GetDefaultSize());
147  MapWindow();
148 
149  fFitFcn = new TF1("fFitFcn", "TMath::LogNormal(x, [0], [1], [2])", 0, 5);
150  fFitFcn->SetRange(0.0, 2.5);
151  fFitFcn->SetParameters(1.0, 0, 1);
152  fFitFcn->SetMinimum(1.0e-3);
153  fFitFcn->SetMaximum(10.0);
154  fFitFcn->SetLineColor(kRed);
155  fFitFcn->SetLineWidth(1);
156  fFitFcn->Draw();
157 
158  fHslider1->SetPosition(0.05,2.5);
159  fHslider1->SetPointerPosition(1.0);
160 
161  sprintf(buf, "%.3f", fHslider1->GetMinPosition());
162  fTbh1->Clear();
163  fTbh1->AddText(0, buf);
164  sprintf(buf, "%.3f", fHslider1->GetPointerPosition());
165  fTbh2->Clear();
166  fTbh2->AddText(0, buf);
167  sprintf(buf, "%.3f", fHslider1->GetMaxPosition());
168  fTbh3->Clear();
169  fTbh3->AddText(0, buf);
170 }
171 
172 //______________________________________________________________________________
173 TTripleSliderDemo::~TTripleSliderDemo()
174 {
175  // Clean up
176 
177  Cleanup();
178 }
179 
180 //______________________________________________________________________________
181 void TTripleSliderDemo::CloseWindow()
182 {
183  // Called when window is closed via the window manager.
184 
185  delete this;
186 }
187 
188 //______________________________________________________________________________
189 void TTripleSliderDemo::DoText(const char * /*text*/)
190 {
191  // Handle text entry widgets.
192 
194  Int_t id = te->WidgetId();
195 
196  switch (id) {
197  case HId1:
198  fHslider1->SetPosition(atof(fTbh1->GetString()),
199  fHslider1->GetMaxPosition());
200  break;
201  case HId2:
202  fHslider1->SetPointerPosition(atof(fTbh2->GetString()));
203  break;
204  case HId3:
205  fHslider1->SetPosition(fHslider1->GetMinPosition(),
206  atof(fTbh1->GetString()));
207  break;
208  default:
209  break;
210  }
211  fFitFcn->SetParameters(fHslider1->GetPointerPosition(), 0, 1);
212  fFitFcn->SetRange(fHslider1->GetMinPosition()-0.05,
213  fHslider1->GetMaxPosition());
214  fFitFcn->Draw();
215  fCanvas->GetCanvas()->Modified();
216  fCanvas->GetCanvas()->Update();
217 }
218 
219 //______________________________________________________________________________
220 void TTripleSliderDemo::DoSlider()
221 {
222  // Handle slider widgets.
223 
224  char buf[32];
225 
226  sprintf(buf, "%.3f", fHslider1->GetMinPosition());
227  fTbh1->Clear();
228  fTbh1->AddText(0, buf);
229  fTeh1->SetCursorPosition(fTeh1->GetCursorPosition());
230  fTeh1->Deselect();
231  gClient->NeedRedraw(fTeh1);
232 
233  sprintf(buf, "%.3f", fHslider1->GetPointerPosition());
234  fTbh2->Clear();
235  fTbh2->AddText(0, buf);
236  fTeh2->SetCursorPosition(fTeh2->GetCursorPosition());
237  fTeh2->Deselect();
238  gClient->NeedRedraw(fTeh2);
239 
240  sprintf(buf, "%.3f", fHslider1->GetMaxPosition());
241  fTbh3->Clear();
242  fTbh3->AddText(0, buf);
243  fTeh3->SetCursorPosition(fTeh3->GetCursorPosition());
244  fTeh3->Deselect();
245  gClient->NeedRedraw(fTeh3);
246 
247  fFitFcn->SetParameters(fHslider1->GetPointerPosition(), 0, 1);
248  fFitFcn->SetRange(fHslider1->GetMinPosition()-0.05,
249  fHslider1->GetMaxPosition());
250  fFitFcn->Draw();
251  fCanvas->GetCanvas()->Modified();
252  fCanvas->GetCanvas()->Update();
253 }
254 
255 //______________________________________________________________________________
256 void TTripleSliderDemo::HandleButtons()
257 {
258  // Handle different buttons.
259 
260  TGButton *btn = (TGButton *) gTQSender;
261  Int_t id = btn->WidgetId();
262 
263  switch (id) {
264  case HCId1:
265  fHslider1->SetConstrained(fCheck1->GetState());
266  break;
267  case HCId2:
268  fHslider1->SetRelative(fCheck2->GetState());
269  break;
270  default:
271  break;
272  }
273 }
274 
275 
276 void Slider3Demo()
277 {
278  new TTripleSliderDemo();
279 }
280 
kLHintsCenterX
@ kLHintsCenterX
Definition: TGLayout.h:32
TGMainFrame
Definition: TGFrame.h:443
kLHintsTop
@ kLHintsTop
Definition: TGLayout.h:34
TGLayout.h
kLHintsLeft
@ kLHintsLeft
Definition: TGLayout.h:31
kButtonUp
@ kButtonUp
Definition: TGButton.h:53
gTQSender
R__EXTERN void * gTQSender
Definition: TQObject.h:44
Int_t
int Int_t
Definition: RtypesCore.h:45
TGTripleSlider.h
TGHorizontalFrame
Definition: TGFrame.h:422
TCanvas.h
text
TText * text
Definition: entrylist_figure1.C:10
TGTextBuffer
Definition: TGTextBuffer.h:30
gClient
#define gClient
Definition: TGClient.h:166
TGCheckButton
Definition: TGButton.h:264
TGWidget::WidgetId
Int_t WidgetId() const
Definition: TGWidget.h:78
TGTextEntry
Definition: TGTextEntry.h:39
kFALSE
const Bool_t kFALSE
Definition: RtypesCore.h:92
kLHintsRight
@ kLHintsRight
Definition: TGLayout.h:33
TGLayoutHints
Definition: TGLayout.h:57
TGTripleHSlider
Definition: TGTripleSlider.h:113
kLHintsExpandY
@ kLHintsExpandY
Definition: TGLayout.h:38
TGMainFrame::CloseWindow
virtual void CloseWindow()
Close and delete main frame.
Definition: TGFrame.cxx:1731
kRed
@ kRed
Definition: Rtypes.h:66
TRootEmbeddedCanvas.h
kHorizontalFrame
@ kHorizontalFrame
Definition: GuiTypes.h:382
TF1.h
TGTextEntry.h
ClassDef
#define ClassDef(name, id)
Definition: Rtypes.h:325
TGButton.h
kDeepCleanup
@ kDeepCleanup
Definition: TGFrame.h:50
kLHintsExpandX
@ kLHintsExpandX
Definition: TGLayout.h:37
kDoubleScaleBoth
@ kDoubleScaleBoth
Definition: TGDoubleSlider.h:68
TGButton
Definition: TGButton.h:68
TF1
1-Dim function class
Definition: TF1.h:213
TMath.h
TRootEmbeddedCanvas
Definition: TRootEmbeddedCanvas.h:32