Modify defaults for otho-camera (disable rotations).
[u/mrichter/AliRoot.git] / EVE / Reve / Viewer.cxx
1 // $Header$
2
3 #include "Viewer.h"
4 #include "Scene.h"
5 #include "SceneInfo.h"
6
7 #include <Reve/ReveManager.h>
8
9 #include <TGLSAViewer.h>
10 #include <TGLScenePad.h>
11
12 #include <TGLOrthoCamera.h> // For fixing defaults in root 5.17.4
13
14 using namespace Reve;
15
16 //______________________________________________________________________
17 // Reve::Viewer
18 //
19
20 ClassImp(Viewer)
21
22 Viewer::Viewer(const Text_t* n, const Text_t* t) :
23   RenderElementList(n, t),
24   fGLViewer (0)
25 {
26   SetChildClass(SceneInfo::Class());
27 }
28
29 Viewer::~Viewer()
30 {}
31
32 /**************************************************************************/
33
34 void Viewer::SetGLViewer(TGLViewer* s)
35 {
36   delete fGLViewer;
37   fGLViewer = s;
38
39   fGLViewer->SetSmartRefresh(kTRUE);
40   // fGLViewer->SetResetCamerasOnUpdate(kFALSE);
41   fGLViewer->SetResetCameraOnDoubleClick(kFALSE);
42
43   // Temporary fix for wrong defaults in root 5.17.04
44   fGLViewer->SetCurrentCamera(TGLViewer::kCameraOrthoXOY);
45   ((TGLOrthoCamera&)(fGLViewer->CurrentCamera())).SetEnableRotate(kTRUE);
46   fGLViewer->SetCurrentCamera(TGLViewer::kCameraOrthoXOZ);
47   ((TGLOrthoCamera&)(fGLViewer->CurrentCamera())).SetEnableRotate(kTRUE);
48   fGLViewer->SetCurrentCamera(TGLViewer::kCameraOrthoZOY);
49   ((TGLOrthoCamera&)(fGLViewer->CurrentCamera())).SetEnableRotate(kTRUE);
50   fGLViewer->SetCurrentCamera(TGLViewer::kCameraPerspXOZ);
51 }
52
53 void Viewer::SpawnGLViewer(const TGWindow* parent, TGedEditor* ged)
54 {
55   TGLSAViewer* v = new TGLSAViewer(parent, 0, ged);
56   v->ToggleEditObject();
57   SetGLViewer(v);
58 }
59
60 /**************************************************************************/
61
62 void Viewer::AddScene(Scene* scene)
63 {
64   static const Exc_t eH("Viewer::AddScene ");
65
66   TGLSceneInfo* glsi = fGLViewer->AddScene(scene->GetGLScene());
67   if (glsi != 0) {
68     SceneInfo* si = new SceneInfo(this, scene, glsi);
69     gReve->AddRenderElement(si, this);
70   } else {
71     throw(eH + "scene already in the viewer.");
72   }
73 }
74
75 void Viewer::RemoveElementLocal(RenderElement* el)
76 {
77   fGLViewer->RemoveScene(((SceneInfo*)el)->GetGLScene());
78 }
79
80 void Viewer::RemoveElementsLocal()
81 {
82   fGLViewer->RemoveAllScenes();
83 }
84
85 TObject* Viewer::GetEditorObject() const
86 {
87   return fGLViewer;
88 }
89
90 Bool_t Viewer::HandleElementPaste(RenderElement* el)
91 {
92   static const Exc_t eH("Viewer::HandleElementPaste ");
93
94   Scene* scene = dynamic_cast<Scene*>(el);
95   if (scene != 0) {
96     AddScene(scene);
97     return kTRUE;
98   } else {
99     Warning(eH.Data(), "class Viewer only accepts Scene paste argument.");
100     return kFALSE;
101   }
102 }
103
104 /**************************************************************************/
105 /**************************************************************************/
106 /**************************************************************************/
107
108 //______________________________________________________________________
109 // Reve::ViewerList
110 //
111
112 ClassImp(ViewerList)
113
114 ViewerList::ViewerList(const Text_t* n, const Text_t* t) :
115   RenderElementList(n, t)
116 {
117   SetChildClass(Viewer::Class());
118 }
119
120 ViewerList::~ViewerList()
121 {}
122
123 /**************************************************************************/
124
125 void ViewerList::RepaintChangedViewers(Bool_t resetCameras, Bool_t dropLogicals)
126 {
127   for (List_i i=fChildren.begin(); i!=fChildren.end(); ++i)
128   {
129     TGLViewer* glv = ((Viewer*)*i)->GetGLViewer();
130     if (glv->IsChanged())
131     {
132       // printf(" Viewer '%s' changed ... reqesting draw.\n", (*i)->GetObject()->GetName());
133
134       if (resetCameras) glv->PostSceneBuildSetup(kTRUE);
135       if (dropLogicals) glv->SetSmartRefresh(kFALSE);
136
137       glv->RequestDraw(TGLRnrCtx::kLODHigh);
138
139       if (dropLogicals) glv->SetSmartRefresh(kTRUE);
140     }
141   }
142 }
143
144 void ViewerList::RepaintAllViewers(Bool_t resetCameras, Bool_t dropLogicals)
145 {
146   for (List_i i=fChildren.begin(); i!=fChildren.end(); ++i)
147   {
148     TGLViewer* glv = ((Viewer*)*i)->GetGLViewer();
149
150     // printf(" Viewer '%s' sending redraw reqest.\n", (*i)->GetObject()->GetName());
151
152     if (resetCameras) glv->PostSceneBuildSetup(kTRUE);
153     if (dropLogicals) glv->SetSmartRefresh(kFALSE);
154
155     glv->RequestDraw(TGLRnrCtx::kLODHigh);
156
157     if (dropLogicals) glv->SetSmartRefresh(kTRUE);
158   }
159 }
160
161 /**************************************************************************/
162
163 void ViewerList::SceneDestructing(Scene* scene)
164 {
165   for (List_i i=fChildren.begin(); i!=fChildren.end(); ++i)
166   {
167     Viewer* viewer = (Viewer*) *i;
168     List_i j = viewer->BeginChildren();
169     while (j != viewer->EndChildren())
170     {
171       SceneInfo* sinfo = (SceneInfo*) *j;
172       ++j;
173       if (sinfo->GetScene() == scene)
174         gReve->RemoveRenderElement(sinfo, viewer);
175     }
176   }
177 }