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),
98 // standard interaction style
99 XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::ZOOM] = Qt::ControlModifier;
100 XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::ZOOM] = Qt::LeftButton;
102 XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::PAN] = Qt::ControlModifier;
103 XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::PAN] = Qt::MidButton;
105 XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::ROTATE] = Qt::ControlModifier;
106 XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::ROTATE] = Qt::RightButton;
108 XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::FIT_AREA] = Qt::ControlModifier;
109 XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::FIT_AREA] = Qt::RightButton;
111 // "key free" interaction style
112 XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::ZOOM] = Qt::NoModifier;
113 XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::ZOOM] = Qt::RightButton;
115 XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::PAN] = Qt::NoModifier;
116 XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::PAN] = Qt::MidButton;
118 XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::ROTATE] = Qt::NoModifier;
119 XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::ROTATE] = Qt::LeftButton;
121 XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::FIT_AREA] = Qt::NoModifier; // unused
122 XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::FIT_AREA] = Qt::NoButton; // unused
125 // init CasCade viewers
126 myV3dViewer = CreateViewer(TCollection_ExtendedString("Viewer3d").ToExtString(), "", "", 1000.0,
127 V3d_XposYnegZpos, Standard_True, Standard_True);
128 myV3dViewer->SetDefaultLights();
131 myAISContext = new AIS_InteractiveContext(myV3dViewer);
132 myAISContext->SelectionColor(Quantity_NOC_WHITE);
134 // display isoline on planar faces (box for ex.)
135 myAISContext->IsoOnPlane(true);
137 if (DisplayTrihedron) {
138 Handle(Geom_Axis2Placement) anAxis = new Geom_Axis2Placement(gp::XOY());
139 myTrihedron = new AIS_Trihedron(anAxis);
140 myTrihedron->SetInfiniteState( Standard_True);
142 Quantity_Color Col(193 / 255., 205 / 255., 193 / 255., Quantity_TOC_RGB);
143 myTrihedron->SetArrowColor(Col.Name());
144 myTrihedron->SetSize(myTrihedronSize);
145 Handle(AIS_Drawer) drawer = myTrihedron->Attributes();
146 if (drawer->HasDatumAspect()) {
147 Handle(Prs3d_DatumAspect) daspect = drawer->DatumAspect();
148 daspect->FirstAxisAspect()->SetColor(Quantity_Color(1.0, 0.0, 0.0, Quantity_TOC_RGB));
149 daspect->SecondAxisAspect()->SetColor(Quantity_Color(0.0, 1.0, 0.0, Quantity_TOC_RGB));
150 daspect->ThirdAxisAspect()->SetColor(Quantity_Color(0.0, 0.0, 1.0, Quantity_TOC_RGB));
153 // set zooming style to standard
154 //myZoomingStyle = 0;
156 QMdiArea* aMDI = myMainWindow->mdiArea();
157 connect(aMDI, SIGNAL(subWindowActivated(QMdiSubWindow*)), this, SLOT(onWindowActivated(QMdiSubWindow*)));
161 XGUI_Viewer::~XGUI_Viewer(void)
163 myAISContext.Nullify();
164 myV3dViewer.Nullify();
167 QMdiSubWindow* XGUI_Viewer::createView(V3d_TypeOfView theType)
170 XGUI_ViewWindow* view = new XGUI_ViewWindow(this, theType);
171 // get main view window (created by view frame)
172 //OCCViewer_ViewWindow* vw = view->getView(OCCViewer_ViewFrame::MAIN_VIEW);
173 // initialize main view window
175 // set default background for view window
176 //vw->setBackground( background(0) ); // 0 means MAIN_VIEW (other views are not yet created here)
177 // connect signal from viewport
178 //connect(view->viewPort(), SIGNAL(vpClosed()), this, SLOT(onViewClosed()));
179 //connect(view->viewPort(), SIGNAL(vpMapped()), this, SLOT(onViewMapped()));
180 if (myViews.size() == 0)
181 setTrihedronShown(true);
183 view->setBackground(XGUI_ViewBackground(XGUI::VerticalGradient, Qt::white, QColor(Qt::blue).lighter()));
184 //view->setBackground(XGUI_ViewBackground(Qt::black));
185 view->updateEnabledDrawMode();
187 QMdiArea* aMDI = myMainWindow->mdiArea();
188 QMdiSubWindow* aWnd = aMDI->addSubWindow(view, Qt::FramelessWindowHint);
190 aWnd->setGeometry(0, 0, aMDI->width() / 2, aMDI->height() / 2);
192 aWnd->setWindowTitle(QString("Viewer #%1").arg(++myWndIdCount));
193 emit viewCreated(view);
197 XGUI_ViewWindow* XGUI_Viewer::activeViewWindow() const
199 return dynamic_cast<XGUI_ViewWindow*>(myActiveView->widget());
202 void XGUI_Viewer::getSelectedObjects(AIS_ListOfInteractive& theList)
205 for (myAISContext->InitSelected(); myAISContext->MoreSelected(); myAISContext->NextSelected())
206 theList.Append(myAISContext->SelectedInteractive());
209 void XGUI_Viewer::getSelectedShapes(NCollection_List<TopoDS_Shape>& theList)
211 Handle(AIS_InteractiveContext) ic = AISContext();
213 for (ic->InitSelected(); ic->MoreSelected(); ic->NextSelected()) {
214 TopoDS_Shape aShape = ic->SelectedShape();
215 if (!aShape.IsNull())
216 theList.Append(aShape);
220 void XGUI_Viewer::setObjectsSelected(const AIS_ListOfInteractive& theList)
222 AIS_ListIteratorOfListOfInteractive aIt;
223 for (aIt.Initialize(theList); aIt.More(); aIt.Next())
224 myAISContext->AddOrRemoveSelected(aIt.Value(), false);
225 myAISContext->UpdateCurrentViewer();
229 *\param theOper - hot operation
230 *\param theState - adding state to state map operations.
231 *\param theButton - adding state to button map operations.
233 void XGUI_Viewer::setHotButton(XGUI::InteractionStyle theInteractionStyle,
234 XGUI::HotOperation theOper, Qt::KeyboardModifiers theState,
235 Qt::MouseButtons theButton)
237 myStateMap[theInteractionStyle][theOper] = theState;
238 myButtonMap[theInteractionStyle][theOper] = theButton;
241 /*! Gets hot button for operation \a theOper.
242 *\param theOper - input hot operation
243 *\param theState - output state from state map operations.
244 *\param theButton - output state from button map operations.
246 void XGUI_Viewer::getHotButton(XGUI::InteractionStyle theInteractionStyle,
247 XGUI::HotOperation theOper, Qt::KeyboardModifiers& theState,
248 Qt::MouseButtons& theButton)
250 theState = myStateMap[theInteractionStyle][theOper];
251 theButton = myButtonMap[theInteractionStyle][theOper];
255 Changes visibility of trihedron to opposite
257 void XGUI_Viewer::toggleTrihedron()
259 setTrihedronShown(!isTrihedronVisible());
263 \return true if trihedron is visible
265 bool XGUI_Viewer::isTrihedronVisible() const
267 return !myTrihedron.IsNull() && !myAISContext.IsNull() && myAISContext->IsDisplayed(myTrihedron);
271 Sets visibility state of trihedron
272 \param on - new state
275 void XGUI_Viewer::setTrihedronShown(bool on)
277 if (myTrihedron.IsNull())
281 myAISContext->Display(myTrihedron);
282 myAISContext->Deactivate(myTrihedron);
284 myAISContext->Erase(myTrihedron);
289 \return trihedron size
291 double XGUI_Viewer::trihedronSize() const
294 if (!myTrihedron.IsNull())
295 sz = myTrihedron->Size();
300 Changes trihedron size
303 void XGUI_Viewer::setTrihedronSize(const double sz, bool isRelative)
305 if (myTrihedronSize != sz || isRelative != myIsRelative) {
306 myTrihedronSize = sz;
307 myIsRelative = isRelative;
313 * Update the size of the trihedron
315 void XGUI_Viewer::updateTrihedron()
317 if (myTrihedron.IsNull())
323 if (computeTrihedronSize(newSz, oldSz))
324 myTrihedron->SetSize(newSz);
326 } else if (myTrihedron->Size() != myTrihedronSize) {
327 myTrihedron->SetSize(myTrihedronSize);
332 Get new and current trihedron size corresponding to the current model size
334 bool XGUI_Viewer::computeTrihedronSize(double& theNewSize, double& theSize)
339 //SRN: BUG IPAL8996, a usage of method ActiveView without an initialization
340 Handle(V3d_Viewer) viewer = v3dViewer();
341 viewer->InitActiveViews();
342 if (!viewer->MoreActiveViews())
345 Handle(V3d_View) view3d = viewer->ActiveView();
351 double Xmin = 0, Ymin = 0, Zmin = 0, Xmax = 0, Ymax = 0, Zmax = 0;
354 view3d->View()->MinMaxValues(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
356 if (Xmin == RealFirst() || Ymin == RealFirst() || Zmin == RealFirst() || Xmax == RealLast()
357 || Ymax == RealLast() || Zmax == RealLast())
360 aMaxSide = Xmax - Xmin;
361 if (aMaxSide < Ymax - Ymin)
362 aMaxSide = Ymax - Ymin;
363 if (aMaxSide < Zmax - Zmin)
364 aMaxSide = Zmax - Zmin;
367 // The boundary box of the view may be initialized but nullified
368 // (case of infinite objects)
369 if (aMaxSide < Precision::Confusion())
372 static float EPS = (float)5.0E-3;
373 theSize = trihedron()->Size();
374 //theNewSize = aMaxSide*aSizeInPercents / 100.0;
376 return fabs(theNewSize - theSize) > theSize * EPS || fabs(theNewSize - theSize) > theNewSize * EPS;
379 void XGUI_Viewer::onViewClosed(QMdiSubWindow* theView)
384 emit deleteView( static_cast<XGUI_ViewWindow*>(theView->widget()) );
385 removeView( theView );
387 // if this is last view
388 if (myViews.size() == 0) {
389 Standard_Integer aViewsNb = 0;
390 for ( myV3dViewer->InitActiveViews(); myV3dViewer->MoreActiveViews(); myV3dViewer->NextActiveViews())
392 if ( aViewsNb < 2 ) {
393 //clean up presentations before last view is closed
394 myAISContext->RemoveAll(Standard_False);
399 /*!Remove view window \a theView from view manager.
400 *And close the last view, if it has \a theView.
402 void XGUI_Viewer::removeView( QMdiSubWindow* theView )
404 XGUI_ViewWindow* aWindow = static_cast<XGUI_ViewWindow*>(theView->widget());
406 aWindow->disconnect( this );
407 myViews.removeAt( myViews.indexOf( theView ) );
408 if ( myActiveView == theView )
410 if ( myViews.size() == 0 )
411 emit lastViewClosed();
415 /*void XGUI_Viewer::onViewMapped()
417 setTrihedronShown(true);
421 void XGUI_Viewer::addView(QMdiSubWindow* theView)
423 XGUI_ViewWindow* aWindow = dynamic_cast<XGUI_ViewWindow*>(theView->widget());
425 connect(aWindow, SIGNAL(closed(QMdiSubWindow*)),
426 this, SLOT(onViewClosed(QMdiSubWindow*)));
428 connect(aWindow, SIGNAL(tryClosing(XGUI_ViewWindow*)),
429 this, SIGNAL(tryCloseView(XGUI_ViewWindow*)));
431 connect(aWindow, SIGNAL(mousePressed(XGUI_ViewWindow*, QMouseEvent*)),
432 this, SLOT(onMousePressed(XGUI_ViewWindow*, QMouseEvent*)));
434 connect(aWindow, SIGNAL(mouseDoubleClicked(XGUI_ViewWindow*, QMouseEvent*)),
435 this, SIGNAL(mouseDoubleClick(XGUI_ViewWindow*, QMouseEvent*)));
437 connect(aWindow, SIGNAL(mouseMoving(XGUI_ViewWindow*, QMouseEvent*)),
438 this, SIGNAL(mouseMove(XGUI_ViewWindow*, QMouseEvent*)));
440 connect(aWindow, SIGNAL(keyPressed(XGUI_ViewWindow*, QKeyEvent*)),
441 this, SIGNAL(keyPress(XGUI_ViewWindow*, QKeyEvent*)));
443 connect(aWindow, SIGNAL(keyReleased(XGUI_ViewWindow*, QKeyEvent*)),
444 this, SIGNAL(keyRelease(XGUI_ViewWindow*, QKeyEvent*)));
446 //connect(aWindow, SIGNAL(contextMenuRequested( QContextMenuEvent* )),
447 // this, SLOT (onContextMenuRequested( QContextMenuEvent* )));
448 //connect(aWindow, SIGNAL( contextMenuRequested(QContextMenuEvent*) ),
449 // this, SIGNAL( contextMenuRequested(QContextMenuEvent*) ) );
451 connect(aWindow, SIGNAL(mouseMoving(XGUI_ViewWindow*, QMouseEvent*)),
452 this, SLOT(onMouseMove(XGUI_ViewWindow*, QMouseEvent*)));
454 connect(aWindow, SIGNAL(mouseReleased(XGUI_ViewWindow*, QMouseEvent*)),
455 this, SLOT(onMouseReleased(XGUI_ViewWindow*, QMouseEvent*)));
457 myViews.append(theView);
461 Emit activated for view \a view.
463 void XGUI_Viewer::onWindowActivated(QMdiSubWindow* view)
465 if (view && (view != myActiveView) && (!view->isMinimized())) {
466 qDebug("onWindowActivated");
468 ((XGUI_ViewWindow*)myActiveView->widget())->windowActivated();
469 QList<QMdiSubWindow*>::iterator aIt;
470 for (aIt = myViews.begin(); aIt != myViews.end(); ++aIt) {
471 if ((*aIt) != myActiveView) {
472 ((XGUI_ViewWindow*)(*aIt)->widget())->windowDeactivated();
479 void XGUI_Viewer::onWindowMinimized(QMdiSubWindow* theWnd)
481 if (myActiveView == theWnd) {
483 QList<QMdiSubWindow*>::iterator aIt;
484 for (aIt = myViews.begin(); aIt != myViews.end(); ++aIt) {
485 if (!(*aIt)->widget()->isMinimized()) {
487 onWindowActivated(*aIt);
495 SLOT: called on mouse button press, stores current mouse position as start point for transformations
497 void XGUI_Viewer::onMousePressed(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent)
499 myStartPnt.setX(theEvent->x()); myStartPnt.setY(theEvent->y());
500 emit mousePress(theWindow, theEvent);
504 SLOT: called on mouse move, processes hilighting
506 void XGUI_Viewer::onMouseMove(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent)
508 if (!mySelectionEnabled) return;
510 myCurPnt.setX(theEvent->x()); myCurPnt.setY(theEvent->y());
511 Handle(V3d_View) aView3d = theWindow->viewPort()->getView();
512 if ( !aView3d.IsNull() ) {
513 myAISContext->MoveTo(theEvent->x(), theEvent->y(), aView3d);
518 SLOT: called on mouse button release, finishes selection
520 void XGUI_Viewer::onMouseReleased(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent)
522 if (!mySelectionEnabled || theEvent->button() != Qt::LeftButton) {
523 emit mouseRelease(theWindow, theEvent);
527 myEndPnt.setX(theEvent->x()); myEndPnt.setY(theEvent->y());
528 bool aHasShift = (theEvent->modifiers() & Qt::ShiftModifier);
531 // emit deselection();
533 if (myStartPnt == myEndPnt) {
534 if (aHasShift && myMultiSelectionEnabled)
535 myAISContext->ShiftSelect();
537 myAISContext->Select();
539 if (aHasShift && myMultiSelectionEnabled)
540 myAISContext->ShiftSelect(myStartPnt.x(), myStartPnt.y(),
541 myEndPnt.x(), myEndPnt.y(),
542 theWindow->viewPort()->getView(), false );
544 myAISContext->Select(myStartPnt.x(), myStartPnt.y(),
545 myEndPnt.x(), myEndPnt.y(),
546 theWindow->viewPort()->getView(), false );
548 int Nb = myAISContext->NbSelected();
549 if( Nb>1 && !myMultiSelectionEnabled ) {
550 myAISContext->InitSelected();
551 Handle( SelectMgr_EntityOwner ) anOwner = myAISContext->SelectedOwner();
552 if( !anOwner.IsNull() ) {
553 myAISContext->ClearSelected( Standard_False );
554 myAISContext->AddOrRemoveSelected( anOwner, Standard_False );
558 myAISContext->UpdateCurrentViewer();
560 emit mouseRelease(theWindow, theEvent);
561 emit selectionChanged();
564 //******************************************************
565 void XGUI_Viewer::setMultiSelectionEnabled(bool toEnable)
567 myMultiSelectionEnabled = toEnable;
568 updateViewsDrawMode();
571 //******************************************************
572 void XGUI_Viewer::setSelectionEnabled(bool toEnable)
574 mySelectionEnabled = toEnable;
575 updateViewsDrawMode();
578 //******************************************************
579 void XGUI_Viewer::updateViewsDrawMode() const
581 foreach(QMdiSubWindow* aWnd, myViews){
582 XGUI_ViewWindow* aView = static_cast<XGUI_ViewWindow*>(aWnd->widget());
583 aView->updateEnabledDrawMode();