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 }