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5a5a1232 | 1 | // $Header$ |
2 | ||
3 | #include "Reve.h" | |
465af230 | 4 | #include "RenderElement.h" |
5a5a1232 | 5 | |
6 | #include <TError.h> | |
7 | #include <TPad.h> | |
8 | #include <TGeoManager.h> | |
0b28fd57 | 9 | #include <TClass.h> |
51a6ecc6 | 10 | |
11 | #include <TStyle.h> | |
915dabe1 | 12 | #include <TColor.h> |
5a5a1232 | 13 | |
14 | #include <TROOT.h> | |
5987168b | 15 | #include <TInterpreter.h> |
5a5a1232 | 16 | |
83f960dc | 17 | #include <TGClient.h> |
18 | ||
5a5a1232 | 19 | #include <iostream> |
20 | ||
21 | //______________________________________________________________________ | |
22 | // Reve | |
23 | // | |
24 | ||
51a6ecc6 | 25 | /**************************************************************************/ |
26 | /**************************************************************************/ | |
5a5a1232 | 27 | namespace Reve { |
51a6ecc6 | 28 | /**************************************************************************/ |
29 | ||
5a5a1232 | 30 | |
a8600b56 | 31 | // TString .vs. string |
32 | ||
33 | bool operator==(const TString& t, const std::string& s) | |
34 | { return (s == t.Data()); } | |
35 | ||
36 | bool operator==(const std::string& s, const TString& t) | |
37 | { return (s == t.Data()); } | |
38 | ||
39 | // Exc | |
40 | ||
41 | Exc_t::Exc_t(const std::string& s) : TString(s.c_str()) {} | |
42 | ||
43 | // Exc + ops | |
44 | ||
5a5a1232 | 45 | Exc_t operator+(const Exc_t &s1, const std::string &s2) |
770a6032 | 46 | { return Exc_t((TString&)s1 + s2.c_str()); } |
5a5a1232 | 47 | |
48 | Exc_t operator+(const Exc_t &s1, const TString &s2) | |
770a6032 | 49 | { return Exc_t((TString&)s1 + s2); } |
5a5a1232 | 50 | |
51 | Exc_t operator+(const Exc_t &s1, const char *s2) | |
770a6032 | 52 | { return Exc_t((TString&)s1 + s2); } |
5a5a1232 | 53 | |
a8600b56 | 54 | // ---------------------------------------------------------------- |
5a5a1232 | 55 | |
56 | void WarnCaller(const TString& warning) | |
57 | { | |
58 | std::cout << "WRN: " << warning << std::endl; | |
59 | } | |
60 | ||
61 | /**************************************************************************/ | |
62 | /**************************************************************************/ | |
63 | ||
64 | void SetupEnvironment() | |
65 | { | |
5987168b | 66 | // Check if REVESYS exists, try fallback to $ALICE_ROOT/EVE. |
67 | // Setup Include and Macro paths. | |
5a5a1232 | 68 | |
69 | static const Exc_t eH("Reve::SetupEnvironment"); | |
a8600b56 | 70 | static Bool_t setupDone = kFALSE; |
71 | ||
72 | if (setupDone) { | |
73 | Info(eH.Data(), "has already been run."); | |
74 | return; | |
75 | } | |
5a5a1232 | 76 | |
77 | if(gSystem->Getenv("REVESYS") == 0) { | |
78 | if(gSystem->Getenv("ALICE_ROOT") != 0) { | |
79 | Info(eH.Data(), "setting REVESYS from ALICE_ROOT."); | |
80 | gSystem->Setenv("REVESYS", Form("%s/EVE", gSystem->Getenv("ALICE_ROOT"))); | |
81 | } else { | |
82 | Error(eH.Data(), "REVESYS not defined, neither is ALICE_ROOT."); | |
83 | gSystem->Exit(1); | |
84 | } | |
85 | } | |
86 | if(gSystem->AccessPathName(gSystem->Getenv("REVESYS")) == kTRUE) { | |
87 | Error(eH.Data(), "REVESYS '%s' does not exist.", gSystem->Getenv("REVESYS")); | |
88 | gSystem->Exit(1); | |
89 | } | |
5987168b | 90 | |
91 | TString macPath(gROOT->GetMacroPath()); | |
92 | macPath += Form(":%s/macros", gSystem->Getenv("REVESYS")); | |
93 | gInterpreter->AddIncludePath(gSystem->Getenv("REVESYS")); | |
94 | if(gSystem->Getenv("ALICE_ROOT") != 0) { | |
95 | macPath += Form(":%s/alice-macros", gSystem->Getenv("REVESYS")); | |
96 | gInterpreter->AddIncludePath(Form("%s/include", gSystem->Getenv("ALICE_ROOT"))); | |
97 | gInterpreter->AddIncludePath(gSystem->Getenv("ALICE_ROOT")); | |
98 | } | |
99 | gROOT->SetMacroPath(macPath); | |
83f960dc | 100 | } |
a8600b56 | 101 | |
83f960dc | 102 | void SetupGUI() |
103 | { | |
104 | TString fld( Form("%s/icons/", gSystem->Getenv("REVESYS")) ); | |
105 | // printf("foofoo %p %p %p %p\n", | |
106 | // RenderElement::fgRnrIcons[0],RenderElement::fgRnrIcons[1], | |
107 | // RenderElement::fgRnrIcons[2],RenderElement::fgRnrIcons[3]); | |
108 | RenderElement::fgRnrIcons[0] = gClient->GetPicture(fld + "rnr00_t.xpm"); | |
109 | RenderElement::fgRnrIcons[1] = gClient->GetPicture(fld + "rnr01_t.xpm"); | |
110 | RenderElement::fgRnrIcons[2] = gClient->GetPicture(fld + "rnr10_t.xpm"); | |
111 | RenderElement::fgRnrIcons[3] = gClient->GetPicture(fld + "rnr11_t.xpm"); | |
5a5a1232 | 112 | } |
113 | ||
114 | /**************************************************************************/ | |
115 | ||
116 | namespace { | |
117 | void ChompTail(TString& s, char c='.') { | |
118 | Ssiz_t p = s.Last(c); | |
119 | if(p != kNPOS) | |
120 | s.Remove(p); | |
121 | } | |
122 | } | |
123 | ||
f8fae956 | 124 | Bool_t CheckMacro(const Text_t* mac) |
125 | { | |
4fc7595c | 126 | // Checks if macro 'mac' is loaded. |
f8fae956 | 127 | |
4fc7595c | 128 | return gROOT->GetInterpreter()->IsLoaded(mac); |
129 | ||
130 | // Previous version expected function with same name and used ROOT's | |
131 | // list of global functions. | |
132 | /* | |
f8fae956 | 133 | TString foo(mac); ChompTail(foo); |
4fc7595c | 134 | if(recreate) { |
135 | TCollection* logf = gROOT->GetListOfGlobalFunctions(kFALSE); | |
136 | logf->SetOwner(); | |
137 | logf->Clear(); | |
138 | } | |
f8fae956 | 139 | return (gROOT->GetGlobalFunction(foo.Data(), 0, kTRUE) != 0); |
4fc7595c | 140 | */ |
f8fae956 | 141 | } |
142 | ||
5a5a1232 | 143 | void AssertMacro(const Text_t* mac) |
144 | { | |
145 | // Load and execute macro 'mac' if it has not been loaded yet. | |
146 | ||
f8fae956 | 147 | if(CheckMacro(mac) == kFALSE) { |
5a5a1232 | 148 | gROOT->Macro(mac); |
149 | } | |
150 | } | |
151 | ||
152 | void Macro(const Text_t* mac) | |
153 | { | |
154 | // Execute macro 'mac'. Do not reload the macro. | |
155 | ||
4fc7595c | 156 | if(CheckMacro(mac) == kFALSE) { |
5a5a1232 | 157 | gROOT->LoadMacro(mac); |
f8fae956 | 158 | } |
4fc7595c | 159 | TString foo(mac); ChompTail(foo); foo += "()"; |
5a5a1232 | 160 | gROOT->ProcessLine(foo.Data()); |
161 | } | |
162 | ||
163 | void LoadMacro(const Text_t* mac) | |
164 | { | |
165 | // Makes sure that macro 'mac' is loaded, but do not reload it. | |
166 | ||
f8fae956 | 167 | if(CheckMacro(mac) == kFALSE) { |
5a5a1232 | 168 | gROOT->LoadMacro(mac); |
f8fae956 | 169 | } |
5a5a1232 | 170 | } |
171 | ||
172 | /**************************************************************************/ | |
173 | /**************************************************************************/ | |
174 | ||
175 | // Pad stack for RINT/GUI thread. | |
176 | std::list<TVirtualPad*> s_Pad_Stack; | |
177 | ||
178 | TVirtualPad* PushPad(TVirtualPad* new_gpad, Int_t subpad) | |
179 | { | |
180 | // printf("Reve::PushPad old=%p, new=%p\n", gPad, new_gpad); | |
181 | s_Pad_Stack.push_back(gPad); | |
182 | if(new_gpad != 0) | |
183 | new_gpad->cd(subpad); | |
184 | else | |
185 | gPad = 0; | |
186 | return gPad; | |
187 | } | |
188 | ||
189 | TVirtualPad* PopPad(Bool_t modify_update_p) | |
190 | { | |
191 | // printf("Reve::PopPad old=%p, new=%p\n", gPad, s_Pad_Stack.empty() ? 0 : s_Pad_Stack.back()); | |
192 | if(s_Pad_Stack.empty()) { | |
193 | Warning("Reve::PopTPad", "stack empty."); | |
194 | } else { | |
195 | if(modify_update_p && gPad != 0) { | |
196 | gPad->Modified(); | |
197 | gPad->Update(); | |
198 | } | |
199 | gPad = s_Pad_Stack.back(); | |
200 | s_Pad_Stack.pop_back(); | |
201 | } | |
202 | return gPad; | |
203 | } | |
204 | ||
205 | /**************************************************************************/ | |
465af230 | 206 | // GeoManagerHolder |
5a5a1232 | 207 | /**************************************************************************/ |
208 | ||
209 | GeoManagerHolder::GeoManagerHolder(TGeoManager* new_gmgr) : | |
210 | fManager(gGeoManager) | |
211 | { | |
212 | gGeoManager = new_gmgr; | |
213 | } | |
214 | ||
215 | GeoManagerHolder::~GeoManagerHolder() | |
216 | { | |
217 | gGeoManager = fManager; | |
218 | } | |
219 | ||
465af230 | 220 | |
51a6ecc6 | 221 | /**************************************************************************/ |
843e6acd | 222 | // Color management |
51a6ecc6 | 223 | /**************************************************************************/ |
224 | ||
225 | void ColorFromIdx(Color_t ci, UChar_t* col, Bool_t alpha) | |
226 | { | |
227 | if (ci < 0) { | |
228 | col[0] = col[1] = col[2] = col[3] = 0; | |
229 | return; | |
230 | } | |
231 | TColor* c = gROOT->GetColor(ci); | |
232 | if(c) { | |
233 | col[0] = (UChar_t)(255*c->GetRed()); | |
234 | col[1] = (UChar_t)(255*c->GetGreen()); | |
235 | col[2] = (UChar_t)(255*c->GetBlue()); | |
236 | if (alpha) col[3] = 255; | |
237 | } | |
238 | } | |
5a5a1232 | 239 | |
51a6ecc6 | 240 | void ColorFromIdx(Float_t f1, Color_t c1, Float_t f2, Color_t c2, |
241 | UChar_t* col, Bool_t alpha) | |
242 | { | |
243 | TColor* t1 = gROOT->GetColor(c1); | |
244 | TColor* t2 = gROOT->GetColor(c2); | |
245 | if(t1 && t2) { | |
246 | col[0] = (UChar_t)(255*(f1*t1->GetRed() + f2*t2->GetRed())); | |
247 | col[1] = (UChar_t)(255*(f1*t1->GetGreen() + f2*t2->GetGreen())); | |
248 | col[2] = (UChar_t)(255*(f1*t1->GetBlue() + f2*t2->GetBlue())); | |
249 | if (alpha) col[3] = 255; | |
250 | } | |
5a5a1232 | 251 | } |
51a6ecc6 | 252 | |
253 | Color_t* FindColorVar(TObject* obj, const Text_t* varname) | |
254 | { | |
255 | static const Exc_t eH("Reve::FindColorVar"); | |
256 | ||
257 | Int_t off = obj->IsA()->GetDataMemberOffset(varname); | |
258 | if(off == 0) | |
259 | throw(eH + "could not find member '" + varname + "' in class " + obj->IsA()->GetName() + "."); | |
260 | return (Color_t*) (((char*)obj) + off); | |
261 | } | |
262 | ||
51a6ecc6 | 263 | |
264 | /**************************************************************************/ | |
265 | } // end namespace Reve | |
266 | /**************************************************************************/ | |
267 | /**************************************************************************/ | |
465af230 | 268 | |
269 | using namespace Reve; | |
270 | ||
271 | /**************************************************************************/ | |
272 | // ReferenceBackPtr | |
273 | /**************************************************************************/ | |
274 | ||
275 | ClassImp(ReferenceBackPtr) | |
276 | ||
277 | ReferenceBackPtr::ReferenceBackPtr() : | |
278 | ReferenceCount(), | |
279 | fBackRefs() | |
280 | {} | |
281 | ||
282 | ReferenceBackPtr::~ReferenceBackPtr() | |
283 | { | |
284 | // !!!! Complain if list not empty. | |
285 | } | |
286 | ||
287 | ReferenceBackPtr::ReferenceBackPtr(const ReferenceBackPtr&) : | |
288 | ReferenceCount(), | |
289 | fBackRefs() | |
290 | {} | |
291 | ||
292 | ReferenceBackPtr& ReferenceBackPtr::operator=(const ReferenceBackPtr&) | |
293 | { | |
294 | return *this; | |
295 | } | |
296 | ||
297 | /**************************************************************************/ | |
298 | ||
299 | void ReferenceBackPtr::IncRefCount(RenderElement* re) | |
300 | { | |
301 | ReferenceCount::IncRefCount(); | |
302 | fBackRefs.push_back(re); | |
303 | } | |
304 | ||
305 | void ReferenceBackPtr::DecRefCount(RenderElement* re) | |
306 | { | |
307 | static const Exc_t eH("ReferenceBackPtr::DecRefCount "); | |
308 | ||
309 | std::list<RenderElement*>::iterator i = | |
310 | std::find(fBackRefs.begin(), fBackRefs.end(), re); | |
311 | if (i != fBackRefs.end()) { | |
312 | fBackRefs.erase(i); | |
313 | ReferenceCount::DecRefCount(); | |
314 | } else { | |
315 | Warning(eH, Form("render element '%s' not found in back-refs.", | |
316 | re->GetObject()->GetName())); | |
317 | } | |
318 | } | |
319 | ||
320 | /**************************************************************************/ | |
321 | ||
322 | void ReferenceBackPtr::UpdateBackPtrItems() | |
323 | { | |
324 | std::list<RenderElement*>::iterator i = fBackRefs.begin(); | |
325 | while (i != fBackRefs.end()) | |
326 | { | |
327 | (*i)->UpdateItems(); | |
328 | ++i; | |
329 | } | |
330 | } |