1 #include "XGUI_Viewer.h"
2 #include "XGUI_MainWindow.h"
3 #include "XGUI_ViewWindow.h"
4 #include "XGUI_ViewPort.h"
7 #include <QMdiSubWindow>
8 #include <QApplication>
10 #include <V3d_View.hxx>
12 #include <Aspect_DisplayConnection.hxx>
13 #include <Graphic3d.hxx>
14 #include <Graphic3d_GraphicDriver.hxx>
15 #include <Geom_Axis2Placement.hxx>
16 #include <AIS_Drawer.hxx>
17 #include <Prs3d_DatumAspect.hxx>
18 #include <Prs3d_LineAspect.hxx>
19 #include <V3d_View.hxx>
20 #include <Visual3d_View.hxx>
21 #include <AIS_ListOfInteractive.hxx>
22 #include <AIS_ListIteratorOfListOfInteractive.hxx>
23 #include <AIS_Shape.hxx>
25 #include <QMouseEvent>
28 #include <WNT_Window.hxx>
30 #include <Xw_Window.hxx>
33 XGUI_Viewer::InteractionStyle2StatesMap XGUI_Viewer::myStateMap;
34 XGUI_Viewer::InteractionStyle2ButtonsMap XGUI_Viewer::myButtonMap;
35 static bool isInitialized = false;
38 Creates viewer 3d [ static ]
40 Handle(V3d_Viewer) CreateViewer(const Standard_ExtString name, const Standard_CString displayName,
41 const Standard_CString domain, const Standard_Real viewSize,
42 const V3d_TypeOfOrientation viewProjection,
43 const Standard_Boolean computedMode,
44 const Standard_Boolean defaultComputedMode)
46 static Handle(Graphic3d_GraphicDriver) aGraphicDriver;
47 if (aGraphicDriver.IsNull()) {
48 Handle(Aspect_DisplayConnection) aDisplayConnection;
50 aDisplayConnection = new Aspect_DisplayConnection( displayName );
52 aDisplayConnection = new Aspect_DisplayConnection();
54 aGraphicDriver = Graphic3d::InitGraphicDriver(aDisplayConnection);
57 return new V3d_Viewer(aGraphicDriver, name, domain, viewSize, viewProjection, Quantity_NOC_GRAY30,
58 V3d_ZBUFFER, V3d_GOURAUD, V3d_WAIT, computedMode, defaultComputedMode,
62 // VSR: Uncomment below line to allow texture background support in OCC viewer
63 #define OCC_ENABLE_TEXTURED_BACKGROUND
66 Get data for supported background modes: gradient types, identifiers and supported image formats
68 QString XGUI_Viewer::backgroundData(QStringList& gradList, QIntList& idList, QIntList& txtList)
70 gradList << tr("Horizontal gradient") << tr("Vertical gradient")
71 << tr("First diagonal gradient") << tr("Second diagonal gradient")
72 << tr("First corner gradient") << tr("Second corner gradient")
73 << tr("Third corner gradient") << tr("Fourth corner gradient");
74 idList << XGUI::HorizontalGradient << XGUI::VerticalGradient << XGUI::Diagonal1Gradient
75 << XGUI::Diagonal2Gradient << XGUI::Corner1Gradient << XGUI::Corner2Gradient
76 << XGUI::Corner3Gradient << XGUI::Corner4Gradient;
77 #ifdef OCC_ENABLE_TEXTURED_BACKGROUND
78 txtList << XGUI::CenterTexture << XGUI::TileTexture << XGUI::StretchTexture;
80 return tr("Image files (*.bmp *.gif *.pix *.xwd *.rgb *.rs)");
83 XGUI_Viewer::XGUI_Viewer(XGUI_MainWindow* theParent, bool DisplayTrihedron)
85 myMainWindow(theParent),
86 myPreselectionEnabled(true),
87 mySelectionEnabled(true),
88 myMultiSelectionEnabled(true),
90 myInteractionStyle(XGUI::STANDARD),
97 // standard interaction style
98 XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::ZOOM] = Qt::ControlModifier;
99 XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::ZOOM] = Qt::LeftButton;
101 XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::PAN] = Qt::ControlModifier;
102 XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::PAN] = Qt::MidButton;
104 XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::ROTATE] = Qt::ControlModifier;
105 XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::ROTATE] = Qt::RightButton;
107 XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::FIT_AREA] = Qt::ControlModifier;
108 XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::FIT_AREA] = Qt::RightButton;
110 // "key free" interaction style
111 XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::ZOOM] = Qt::NoModifier;
112 XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::ZOOM] = Qt::RightButton;
114 XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::PAN] = Qt::NoModifier;
115 XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::PAN] = Qt::MidButton;
117 XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::ROTATE] = Qt::NoModifier;
118 XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::ROTATE] = Qt::LeftButton;
120 XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::FIT_AREA] = Qt::NoModifier; // unused
121 XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::FIT_AREA] = Qt::NoButton; // unused
124 // init CasCade viewers
125 myV3dViewer = CreateViewer(TCollection_ExtendedString("Viewer3d").ToExtString(), "", "", 1000.0,
126 V3d_XposYnegZpos, Standard_True, Standard_True);
127 myV3dViewer->SetDefaultLights();
130 myAISContext = new AIS_InteractiveContext(myV3dViewer);
131 myAISContext->SelectionColor(Quantity_NOC_WHITE);
133 // display isoline on planar faces (box for ex.)
134 myAISContext->IsoOnPlane(true);
136 if (DisplayTrihedron) {
137 Handle(Geom_Axis2Placement) anAxis = new Geom_Axis2Placement(gp::XOY());
138 myTrihedron = new AIS_Trihedron(anAxis);
139 myTrihedron->SetInfiniteState( Standard_True);
141 Quantity_Color Col(193 / 255., 205 / 255., 193 / 255., Quantity_TOC_RGB);
142 myTrihedron->SetArrowColor(Col.Name());
143 myTrihedron->SetSize(myTrihedronSize);
144 Handle(AIS_Drawer) drawer = myTrihedron->Attributes();
145 if (drawer->HasDatumAspect()) {
146 Handle(Prs3d_DatumAspect) daspect = drawer->DatumAspect();
147 daspect->FirstAxisAspect()->SetColor(Quantity_Color(1.0, 0.0, 0.0, Quantity_TOC_RGB));
148 daspect->SecondAxisAspect()->SetColor(Quantity_Color(0.0, 1.0, 0.0, Quantity_TOC_RGB));
149 daspect->ThirdAxisAspect()->SetColor(Quantity_Color(0.0, 0.0, 1.0, Quantity_TOC_RGB));
152 // set zooming style to standard
153 //myZoomingStyle = 0;
155 QMdiArea* aMDI = myMainWindow->mdiArea();
156 connect(aMDI, SIGNAL(subWindowActivated(QMdiSubWindow*)), this, SLOT(onWindowActivated(QMdiSubWindow*)));
160 XGUI_Viewer::~XGUI_Viewer(void)
162 myAISContext.Nullify();
163 myV3dViewer.Nullify();
166 QMdiSubWindow* XGUI_Viewer::createView(V3d_TypeOfView theType)
169 XGUI_ViewWindow* view = new XGUI_ViewWindow(this, theType);
170 // get main view window (created by view frame)
171 //OCCViewer_ViewWindow* vw = view->getView(OCCViewer_ViewFrame::MAIN_VIEW);
172 // initialize main view window
174 // set default background for view window
175 //vw->setBackground( background(0) ); // 0 means MAIN_VIEW (other views are not yet created here)
176 // connect signal from viewport
177 //connect(view->viewPort(), SIGNAL(vpClosed()), this, SLOT(onViewClosed()));
178 //connect(view->viewPort(), SIGNAL(vpMapped()), this, SLOT(onViewMapped()));
179 if (myViews.size() == 0)
180 setTrihedronShown(true);
182 view->setBackground(XGUI_ViewBackground(XGUI::VerticalGradient, Qt::white, QColor(Qt::blue).lighter()));
183 //view->setBackground(XGUI_ViewBackground(Qt::black));
184 view->updateEnabledDrawMode();
186 QMdiArea* aMDI = myMainWindow->mdiArea();
187 QMdiSubWindow* aWnd = aMDI->addSubWindow(view, Qt::FramelessWindowHint);
189 aWnd->setGeometry(0, 0, aMDI->width() / 2, aMDI->height() / 2);
194 XGUI_ViewWindow* XGUI_Viewer::activeViewWindow() const
196 return dynamic_cast<XGUI_ViewWindow*>(myActiveView->widget());
199 void XGUI_Viewer::getSelectedObjects(AIS_ListOfInteractive& theList)
202 for (myAISContext->InitSelected(); myAISContext->MoreSelected(); myAISContext->NextSelected())
203 theList.Append(myAISContext->SelectedInteractive());
206 void XGUI_Viewer::getSelectedShapes(NCollection_List<TopoDS_Shape>& theList)
208 Handle(AIS_InteractiveContext) ic = AISContext();
210 for (ic->InitSelected(); ic->MoreSelected(); ic->NextSelected()) {
211 TopoDS_Shape aShape = ic->SelectedShape();
212 if (!aShape.IsNull())
213 theList.Append(aShape);
217 void XGUI_Viewer::setObjectsSelected(const AIS_ListOfInteractive& theList)
219 AIS_ListIteratorOfListOfInteractive aIt;
220 for (aIt.Initialize(theList); aIt.More(); aIt.Next())
221 myAISContext->AddOrRemoveSelected(aIt.Value(), false);
222 myAISContext->UpdateCurrentViewer();
226 *\param theOper - hot operation
227 *\param theState - adding state to state map operations.
228 *\param theButton - adding state to button map operations.
230 void XGUI_Viewer::setHotButton(XGUI::InteractionStyle theInteractionStyle,
231 XGUI::HotOperation theOper, Qt::KeyboardModifiers theState,
232 Qt::MouseButtons theButton)
234 myStateMap[theInteractionStyle][theOper] = theState;
235 myButtonMap[theInteractionStyle][theOper] = theButton;
238 /*! Gets hot button for operation \a theOper.
239 *\param theOper - input hot operation
240 *\param theState - output state from state map operations.
241 *\param theButton - output state from button map operations.
243 void XGUI_Viewer::getHotButton(XGUI::InteractionStyle theInteractionStyle,
244 XGUI::HotOperation theOper, Qt::KeyboardModifiers& theState,
245 Qt::MouseButtons& theButton)
247 theState = myStateMap[theInteractionStyle][theOper];
248 theButton = myButtonMap[theInteractionStyle][theOper];
252 Changes visibility of trihedron to opposite
254 void XGUI_Viewer::toggleTrihedron()
256 setTrihedronShown(!isTrihedronVisible());
260 \return true if trihedron is visible
262 bool XGUI_Viewer::isTrihedronVisible() const
264 return !myTrihedron.IsNull() && !myAISContext.IsNull() && myAISContext->IsDisplayed(myTrihedron);
268 Sets visibility state of trihedron
269 \param on - new state
272 void XGUI_Viewer::setTrihedronShown(bool on)
274 if (myTrihedron.IsNull())
278 myAISContext->Display(myTrihedron);
279 myAISContext->Deactivate(myTrihedron);
281 myAISContext->Erase(myTrihedron);
286 \return trihedron size
288 double XGUI_Viewer::trihedronSize() const
291 if (!myTrihedron.IsNull())
292 sz = myTrihedron->Size();
297 Changes trihedron size
300 void XGUI_Viewer::setTrihedronSize(const double sz, bool isRelative)
302 if (myTrihedronSize != sz || isRelative != myIsRelative) {
303 myTrihedronSize = sz;
304 myIsRelative = isRelative;
310 * Update the size of the trihedron
312 void XGUI_Viewer::updateTrihedron()
314 if (myTrihedron.IsNull())
320 if (computeTrihedronSize(newSz, oldSz))
321 myTrihedron->SetSize(newSz);
323 } else if (myTrihedron->Size() != myTrihedronSize) {
324 myTrihedron->SetSize(myTrihedronSize);
329 Get new and current trihedron size corresponding to the current model size
331 bool XGUI_Viewer::computeTrihedronSize(double& theNewSize, double& theSize)
336 //SRN: BUG IPAL8996, a usage of method ActiveView without an initialization
337 Handle(V3d_Viewer) viewer = v3dViewer();
338 viewer->InitActiveViews();
339 if (!viewer->MoreActiveViews())
342 Handle(V3d_View) view3d = viewer->ActiveView();
348 double Xmin = 0, Ymin = 0, Zmin = 0, Xmax = 0, Ymax = 0, Zmax = 0;
351 view3d->View()->MinMaxValues(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
353 if (Xmin == RealFirst() || Ymin == RealFirst() || Zmin == RealFirst() || Xmax == RealLast()
354 || Ymax == RealLast() || Zmax == RealLast())
357 aMaxSide = Xmax - Xmin;
358 if (aMaxSide < Ymax - Ymin)
359 aMaxSide = Ymax - Ymin;
360 if (aMaxSide < Zmax - Zmin)
361 aMaxSide = Zmax - Zmin;
364 // The boundary box of the view may be initialized but nullified
365 // (case of infinite objects)
366 if (aMaxSide < Precision::Confusion())
369 static float EPS = (float)5.0E-3;
370 theSize = trihedron()->Size();
371 //theNewSize = aMaxSide*aSizeInPercents / 100.0;
373 return fabs(theNewSize - theSize) > theSize * EPS || fabs(theNewSize - theSize) > theNewSize * EPS;
376 void XGUI_Viewer::onViewClosed(QMdiSubWindow* theView)
381 emit deleteView( static_cast<XGUI_ViewWindow*>(theView->widget()) );
382 removeView( theView );
384 // if this is last view
385 if (myViews.size() == 0) {
386 Standard_Integer aViewsNb = 0;
387 for ( myV3dViewer->InitActiveViews(); myV3dViewer->MoreActiveViews(); myV3dViewer->NextActiveViews())
389 if ( aViewsNb < 2 ) {
390 //clean up presentations before last view is closed
391 myAISContext->RemoveAll(Standard_False);
396 /*!Remove view window \a theView from view manager.
397 *And close the last view, if it has \a theView.
399 void XGUI_Viewer::removeView( QMdiSubWindow* theView )
401 XGUI_ViewWindow* aWindow = static_cast<XGUI_ViewWindow*>(theView->widget());
403 aWindow->disconnect( this );
404 myViews.removeAt( myViews.indexOf( theView ) );
405 if ( myActiveView == theView )
407 if ( myViews.size() == 0 )
408 emit lastViewClosed();
412 /*void XGUI_Viewer::onViewMapped()
414 setTrihedronShown(true);
418 void XGUI_Viewer::addView(QMdiSubWindow* theView)
420 XGUI_ViewWindow* aWindow = dynamic_cast<XGUI_ViewWindow*>(theView->widget());
422 connect(aWindow, SIGNAL(closed(QMdiSubWindow*)),
423 this, SLOT(onViewClosed(QMdiSubWindow*)));
425 connect(aWindow, SIGNAL(tryClosing(XGUI_ViewWindow*)),
426 this, SIGNAL(tryCloseView(XGUI_ViewWindow*)));
428 connect(aWindow, SIGNAL(mousePressed(XGUI_ViewWindow*, QMouseEvent*)),
429 this, SLOT(onMousePressed(XGUI_ViewWindow*, QMouseEvent*)));
431 connect(aWindow, SIGNAL(mouseDoubleClicked(XGUI_ViewWindow*, QMouseEvent*)),
432 this, SIGNAL(mouseDoubleClick(XGUI_ViewWindow*, QMouseEvent*)));
434 connect(aWindow, SIGNAL(mouseMoving(XGUI_ViewWindow*, QMouseEvent*)),
435 this, SIGNAL(mouseMove(XGUI_ViewWindow*, QMouseEvent*)));
437 connect(aWindow, SIGNAL(keyPressed(XGUI_ViewWindow*, QKeyEvent*)),
438 this, SIGNAL(keyPress(XGUI_ViewWindow*, QKeyEvent*)));
440 connect(aWindow, SIGNAL(keyReleased(XGUI_ViewWindow*, QKeyEvent*)),
441 this, SIGNAL(keyRelease(XGUI_ViewWindow*, QKeyEvent*)));
443 // connect(aWindow, SIGNAL(contextMenuRequested( QContextMenuEvent* )),
444 // this, SLOT (onContextMenuRequested( QContextMenuEvent* )));
445 connect(aWindow, SIGNAL(mouseMoving(XGUI_ViewWindow*, QMouseEvent*)),
446 this, SLOT(onMouseMove(XGUI_ViewWindow*, QMouseEvent*)));
448 connect(aWindow, SIGNAL(mouseReleased(XGUI_ViewWindow*, QMouseEvent*)),
449 this, SLOT(onMouseReleased(XGUI_ViewWindow*, QMouseEvent*)));
451 myViews.append(theView);
455 Emit activated for view \a view.
457 void XGUI_Viewer::onWindowActivated(QMdiSubWindow* view)
459 if (view && (view != myActiveView) && (!view->isMinimized())) {
461 ((XGUI_ViewWindow*)myActiveView->widget())->windowActivated();
462 QList<QMdiSubWindow*>::iterator aIt;
463 for (aIt = myViews.begin(); aIt != myViews.end(); ++aIt) {
464 if ((*aIt) != myActiveView) {
465 ((XGUI_ViewWindow*)(*aIt)->widget())->windowDeactivated();
472 void XGUI_Viewer::onWindowMinimized(QMdiSubWindow* theWnd)
474 if (myActiveView == theWnd) {
476 QList<QMdiSubWindow*>::iterator aIt;
477 for (aIt = myViews.begin(); aIt != myViews.end(); ++aIt) {
478 if (!(*aIt)->widget()->isMinimized()) {
480 onWindowActivated(*aIt);
488 SLOT: called on mouse button press, stores current mouse position as start point for transformations
490 void XGUI_Viewer::onMousePressed(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent)
492 myStartPnt.setX(theEvent->x()); myStartPnt.setY(theEvent->y());
493 emit mousePress(theWindow, theEvent);
497 SLOT: called on mouse move, processes hilighting
499 void XGUI_Viewer::onMouseMove(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent)
501 if (!mySelectionEnabled) return;
503 myCurPnt.setX(theEvent->x()); myCurPnt.setY(theEvent->y());
504 Handle(V3d_View) aView3d = theWindow->viewPort()->getView();
505 if ( !aView3d.IsNull() ) {
506 myAISContext->MoveTo(theEvent->x(), theEvent->y(), aView3d);
511 SLOT: called on mouse button release, finishes selection
513 void XGUI_Viewer::onMouseReleased(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent)
515 if (!mySelectionEnabled) return;
516 if (theEvent->button() != Qt::LeftButton) return;
518 myEndPnt.setX(theEvent->x()); myEndPnt.setY(theEvent->y());
519 bool aHasShift = (theEvent->modifiers() & Qt::ShiftModifier);
522 // emit deselection();
524 if (myStartPnt == myEndPnt) {
525 if (aHasShift && myMultiSelectionEnabled)
526 myAISContext->ShiftSelect();
528 myAISContext->Select();
530 if (aHasShift && myMultiSelectionEnabled)
531 myAISContext->ShiftSelect(myStartPnt.x(), myStartPnt.y(),
532 myEndPnt.x(), myEndPnt.y(),
533 theWindow->viewPort()->getView(), false );
535 myAISContext->Select(myStartPnt.x(), myStartPnt.y(),
536 myEndPnt.x(), myEndPnt.y(),
537 theWindow->viewPort()->getView(), false );
539 int Nb = myAISContext->NbSelected();
540 if( Nb>1 && !myMultiSelectionEnabled ) {
541 myAISContext->InitSelected();
542 Handle( SelectMgr_EntityOwner ) anOwner = myAISContext->SelectedOwner();
543 if( !anOwner.IsNull() ) {
544 myAISContext->ClearSelected( Standard_False );
545 myAISContext->AddOrRemoveSelected( anOwner, Standard_False );
549 myAISContext->UpdateCurrentViewer();
551 emit mouseRelease(theWindow, theEvent);
552 emit selectionChanged();
555 //******************************************************
556 void XGUI_Viewer::setMultiSelectionEnabled(bool toEnable)
558 myMultiSelectionEnabled = toEnable;
559 updateViewsDrawMode();
562 //******************************************************
563 void XGUI_Viewer::setSelectionEnabled(bool toEnable)
565 mySelectionEnabled = toEnable;
566 updateViewsDrawMode();
569 //******************************************************
570 void XGUI_Viewer::updateViewsDrawMode() const
572 foreach(QMdiSubWindow* aWnd, myViews){
573 XGUI_ViewWindow* aView = static_cast<XGUI_ViewWindow*>(aWnd->widget());
574 aView->updateEnabledDrawMode();