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0000803: Feature request - box selection for faces in set color mode

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This commit is contained in:
wmayer 2013-07-03 19:30:10 +02:00
parent 23ebb99827
commit ed6a820f9f
1 changed files with 95 additions and 11 deletions
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106
src/Mod/Part/Gui/TaskFaceColors.cpp
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@ -34,8 +34,13 @@
# include <TopTools_IndexedMapOfShape.hxx>
# include <QMessageBox>
# include <QSet>
# include <Inventor/SoPickedPoint.h>
# include <Inventor/actions/SoRayPickAction.h>
# include <Inventor/actions/SoSearchAction.h>
# include <Inventor/details/SoFaceDetail.h>
# include <Inventor/events/SoMouseButtonEvent.h>
# include <Inventor/nodes/SoCamera.h>
# include <Inventor/nodes/SoSeparator.h>
#endif
#include <boost/signals.hpp>
@ -44,12 +49,14 @@
#include "ui_TaskFaceColors.h"
#include "TaskFaceColors.h"
#include "ViewProviderExt.h"
#include "SoBrepShape.h"
#include <Gui/Application.h>
#include <Gui/Control.h>
#include <Gui/Document.h>
#include <Gui/MainWindow.h>
#include <Gui/Selection.h>
#include <Gui/SoFCUnifiedSelection.h>
#include <Gui/Utilities.h>
#include <Gui/View3DInventor.h>
#include <Gui/View3DInventorViewer.h>
@ -87,6 +94,7 @@ class FaceColors::Private
public:
typedef boost::signals::connection Connection;
Ui_TaskFaceColors* ui;
Gui::View3DInventorViewer* view;
ViewProviderPartExt* vp;
App::DocumentObject* obj;
Gui::Document* doc;
@ -118,7 +126,45 @@ public:
{
delete ui;
}
void addFacesToSelection(const Gui::ViewVolumeProjection& proj, const Base::Polygon2D& polygon, const TopoDS_Shape& shape)
bool isVisibleFace(int faceIndex, const SbVec2f& pos, Gui::View3DInventorViewer* viewer)
{
SoSeparator* root = new SoSeparator;
root->ref();
root->addChild(viewer->getCamera());
root->addChild(vp->getRoot());
SoSearchAction searchAction;
searchAction.setType(PartGui::SoBrepFaceSet::getClassTypeId());
searchAction.setInterest(SoSearchAction::FIRST);
searchAction.apply(root);
SoPath* selectionPath = searchAction.getPath();
SoRayPickAction rp(viewer->getViewportRegion());
rp.setNormalizedPoint(pos);
rp.apply(selectionPath);
root->unref();
SoPickedPoint* pick = rp.getPickedPoint();
if (pick) {
const SoDetail* detail = pick->getDetail();
if (detail && detail->isOfType(SoFaceDetail::getClassTypeId())) {
int index = static_cast<const SoFaceDetail*>(detail)->getPartIndex();
if (faceIndex != index)
return false;
SbVec3f dir = viewer->getViewDirection();
const SbVec3f& nor = pick->getNormal();
if (dir.dot(nor) > 0)
return false; // bottom side points to user
return true;
}
}
return false;
}
void addFacesToSelection(Gui::View3DInventorViewer* viewer,
const Gui::ViewVolumeProjection& proj,
const Base::Polygon2D& polygon,
const TopoDS_Shape& shape)
{
try {
TopTools_IndexedMapOfShape M;
@ -133,16 +179,38 @@ public:
for (Standard_Integer k = 1; k <= M.Extent(); k++) {
const TopoDS_Shape& face = M(k);
GProp_GProps props;
BRepGProp::SurfaceProperties(face, props);
gp_Pnt c = props.CentreOfMass();
Base::Vector3d pt2d;
pt2d = proj(Base::Vector3d(c.X(), c.Y(), c.Z()));
if (polygon.Contains(Base::Vector2D(pt2d.x, pt2d.y))) {
std::stringstream str;
str << "Face" << k;
Gui::Selection().addSelection(appdoc->getName(), obj->getNameInDocument(), str.str().c_str());
TopExp_Explorer xp_vertex(face,TopAbs_VERTEX);
while (xp_vertex.More()) {
gp_Pnt p = BRep_Tool::Pnt(TopoDS::Vertex(xp_vertex.Current()));
Base::Vector3d pt2d;
pt2d = proj(Base::Vector3d(p.X(), p.Y(), p.Z()));
if (polygon.Contains(Base::Vector2D(pt2d.x, pt2d.y))) {
#if 0
// TODO
if (isVisibleFace(k-1, SbVec2f(pt2d.x, pt2d.y), viewer))
#endif
{
std::stringstream str;
str << "Face" << k;
Gui::Selection().addSelection(appdoc->getName(), obj->getNameInDocument(), str.str().c_str());
break;
}
}
xp_vertex.Next();
}
//GProp_GProps props;
//BRepGProp::SurfaceProperties(face, props);
//gp_Pnt c = props.CentreOfMass();
//Base::Vector3d pt2d;
//pt2d = proj(Base::Vector3d(c.X(), c.Y(), c.Z()));
//if (polygon.Contains(Base::Vector2D(pt2d.x, pt2d.y))) {
// if (isVisibleFace(k-1, SbVec2f(pt2d.x, pt2d.y), viewer)) {
// std::stringstream str;
// str << "Face" << k;
// Gui::Selection().addSelection(appdoc->getName(), obj->getNameInDocument(), str.str().c_str());
// }
//}
}
}
catch (...) {
@ -152,6 +220,8 @@ public:
{
Gui::View3DInventorViewer* view = reinterpret_cast<Gui::View3DInventorViewer*>(cb->getUserData());
view->removeEventCallback(SoMouseButtonEvent::getClassTypeId(), selectionCallback, ud);
SoNode* root = view->getSceneGraph();
static_cast<Gui::SoFCUnifiedSelection*>(root)->selectionRole.setValue(TRUE);
std::vector<SbVec2f> picked = view->getGLPolygon();
SoCamera* cam = view->getCamera();
@ -172,10 +242,12 @@ public:
}
FaceColors* self = reinterpret_cast<FaceColors*>(ud);
self->d->view = 0;
if (self->d->obj && self->d->obj->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
cb->setHandled();
const TopoDS_Shape& shape = static_cast<Part::Feature*>(self->d->obj)->Shape.getValue();
self->d->addFacesToSelection(proj, polygon, shape);
self->d->addFacesToSelection(view, proj, polygon, shape);
view->render();
}
}
};
@ -200,6 +272,13 @@ FaceColors::FaceColors(ViewProviderPartExt* vp, QWidget* parent)
FaceColors::~FaceColors()
{
if (d->view) {
d->view->stopSelection();
d->view->removeEventCallback(SoMouseButtonEvent::getClassTypeId(),
Private::selectionCallback, this);
SoNode* root = d->view->getSceneGraph();
static_cast<Gui::SoFCUnifiedSelection*>(root)->selectionRole.setValue(TRUE);
}
Gui::Selection().rmvSelectionGate();
d->connectDelDoc.disconnect();
d->connectDelObj.disconnect();
@ -226,6 +305,11 @@ void FaceColors::on_boxSelection_clicked()
if (!viewer->isSelecting()) {
viewer->startSelection(Gui::View3DInventorViewer::Rubberband);
viewer->addEventCallback(SoMouseButtonEvent::getClassTypeId(), Private::selectionCallback, this);
// avoid that the selection node handles the event otherwise the callback function won't be
// called immediately
SoNode* root = viewer->getSceneGraph();
static_cast<Gui::SoFCUnifiedSelection*>(root)->selectionRole.setValue(FALSE);
d->view = viewer;
}
}
}