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62a2c33a051008ccbb86c351ecb171ac41003b64
create/src/Gui/ViewProviderDragger.cpp
berniev 75acacd1b7 Gui: Use auto and range-based for (#7481) 
* On lines where the variable type is obvious from inspection, avoid repeating the type using auto. 
* When possible use a ranged for loop instead of begin() and end() iterators
2022-09-14 13:25:13 -05:00

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/***************************************************************************
* Copyright (c) 2017 Werner Mayer <wmayer[at]users.sourceforge.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <string>
# include <QAction>
# include <QMenu>
# include <Inventor/draggers/SoDragger.h>
# include <Inventor/nodes/SoPickStyle.h>
# include <Inventor/nodes/SoTransform.h>
#endif
#include <App/GeoFeature.h>
#include <Base/Placement.h>
#include "Application.h"
#include "BitmapFactory.h"
#include "Control.h"
#include "Document.h"
#include "SoFCCSysDragger.h"
#include "SoFCUnifiedSelection.h"
#include "TaskCSysDragger.h"
#include "View3DInventorViewer.h"
#include "ViewProviderDragger.h"
using namespace Gui;
PROPERTY_SOURCE(Gui::ViewProviderDragger, Gui::ViewProviderDocumentObject)
ViewProviderDragger::ViewProviderDragger()
{
}
ViewProviderDragger::~ViewProviderDragger()
{
}
void ViewProviderDragger::updateData(const App::Property* prop)
{
if (prop->isDerivedFrom(App::PropertyPlacement::getClassTypeId()) &&
strcmp(prop->getName(), "Placement") == 0) {
// Note: If R is the rotation, c the rotation center and t the translation
// vector then Inventor applies the following transformation: R*(x-c)+c+t
// In FreeCAD a placement only has a rotation and a translation part but
// no rotation center. This means that the following equation must be ful-
// filled: R * (x-c) + c + t = R * x + t
// <==> R * x + t - R * c + c = R * x + t
// <==> (I-R) * c = 0 ==> c = 0
// This means that the center point must be the origin!
Base::Placement p = static_cast<const App::PropertyPlacement*>(prop)->getValue();
updateTransform(p, pcTransform);
}
ViewProviderDocumentObject::updateData(prop);
}
bool ViewProviderDragger::doubleClicked()
{
Gui::Application::Instance->activeDocument()->setEdit(this, (int)ViewProvider::Default);
return true;
}
void ViewProviderDragger::setupContextMenu(QMenu* menu, QObject* receiver, const char* member)
{
QIcon iconObject = mergeGreyableOverlayIcons(Gui::BitmapFactory().pixmap("Std_TransformManip.svg"));
QAction* act = menu->addAction(iconObject, QObject::tr("Transform"), receiver, member);
act->setData(QVariant((int)ViewProvider::Transform));
ViewProviderDocumentObject::setupContextMenu(menu, receiver, member);
}
ViewProvider *ViewProviderDragger::startEditing(int mode) {
_linkDragger = nullptr;
auto ret = ViewProviderDocumentObject::startEditing(mode);
if(!ret)
return ret;
return _linkDragger?_linkDragger:ret;
}
bool ViewProviderDragger::checkLink() {
// Trying to detect if the editing request is forwarded by a link object,
// usually by doubleClicked(). If so, we route the request back. There shall
// be no risk of infinite recursion, as ViewProviderLink handles
// ViewProvider::Transform request by itself.
ViewProviderDocumentObject *vpParent = nullptr;
std::string subname;
auto doc = Application::Instance->editDocument();
if(!doc)
return false;
doc->getInEdit(&vpParent,&subname);
if(!vpParent)
return false;
auto sobj = vpParent->getObject()->getSubObject(subname.c_str());
if(!sobj || sobj==getObject() || sobj->getLinkedObject(true)!=getObject())
return false;
auto vp = Application::Instance->getViewProvider(sobj);
if(!vp)
return false;
_linkDragger = vp->startEditing(ViewProvider::Transform);
if(_linkDragger)
return true;
return false;
}
bool ViewProviderDragger::setEdit(int ModNum)
{
Q_UNUSED(ModNum);
if(checkLink())
return true;
App::DocumentObject *genericObject = this->getObject();
if (genericObject->isDerivedFrom(App::GeoFeature::getClassTypeId()))
{
auto geoFeature = static_cast<App::GeoFeature *>(genericObject);
const Base::Placement &placement = geoFeature->Placement.getValue();
auto tempTransform = new SoTransform();
tempTransform->ref();
updateTransform(placement, tempTransform);
assert(!csysDragger);
csysDragger = new SoFCCSysDragger();
csysDragger->draggerSize.setValue(0.05f);
csysDragger->translation.setValue(tempTransform->translation.getValue());
csysDragger->rotation.setValue(tempTransform->rotation.getValue());
tempTransform->unref();
pcTransform->translation.connectFrom(&csysDragger->translation);
pcTransform->rotation.connectFrom(&csysDragger->rotation);
csysDragger->addStartCallback(dragStartCallback, this);
csysDragger->addFinishCallback(dragFinishCallback, this);
// dragger node is added to viewer's editing root in setEditViewer
// pcRoot->insertChild(csysDragger, 0);
csysDragger->ref();
auto task = new TaskCSysDragger(this, csysDragger);
Gui::Control().showDialog(task);
}
return true;
}
void ViewProviderDragger::unsetEdit(int ModNum)
{
Q_UNUSED(ModNum);
if(csysDragger)
{
pcTransform->translation.disconnect(&csysDragger->translation);
pcTransform->rotation.disconnect(&csysDragger->rotation);
// dragger node is added to viewer's editing root in setEditViewer
// pcRoot->removeChild(csysDragger); //should delete csysDragger
csysDragger->unref();
csysDragger = nullptr;
}
Gui::Control().closeDialog();
}
void ViewProviderDragger::setEditViewer(Gui::View3DInventorViewer* viewer, int ModNum)
{
Q_UNUSED(ModNum);
if (csysDragger && viewer)
{
auto rootPickStyle = new SoPickStyle();
rootPickStyle->style = SoPickStyle::UNPICKABLE;
auto selection = static_cast<SoFCUnifiedSelection*>(viewer->getSceneGraph());
selection->insertChild(rootPickStyle, 0);
selection->selectionRole.setValue(false);
csysDragger->setUpAutoScale(viewer->getSoRenderManager()->getCamera());
auto mat = viewer->getDocument()->getEditingTransform();
viewer->getDocument()->setEditingTransform(mat);
auto feat = dynamic_cast<App::GeoFeature *>(getObject());
if(feat) {
auto matInverse = feat->Placement.getValue().toMatrix();
matInverse.inverse();
mat *= matInverse;
}
viewer->setupEditingRoot(csysDragger,&mat);
}
}
void ViewProviderDragger::unsetEditViewer(Gui::View3DInventorViewer* viewer)
{
auto selection = static_cast<SoFCUnifiedSelection*>(viewer->getSceneGraph());
SoNode *child = selection->getChild(0);
if (child && child->isOfType(SoPickStyle::getClassTypeId())) {
selection->removeChild(child);
selection->selectionRole.setValue(true);
}
}
void ViewProviderDragger::dragStartCallback(void *, SoDragger *)
{
// This is called when a manipulator is about to manipulating
Gui::Application::Instance->activeDocument()->openCommand(QT_TRANSLATE_NOOP("Command", "Transform"));
}
void ViewProviderDragger::dragFinishCallback(void *data, SoDragger *d)
{
// This is called when a manipulator has done manipulating
auto sudoThis = static_cast<ViewProviderDragger *>(data);
auto dragger = static_cast<SoFCCSysDragger *>(d);
updatePlacementFromDragger(sudoThis, dragger);
Gui::Application::Instance->activeDocument()->commitCommand();
}
void ViewProviderDragger::updatePlacementFromDragger(ViewProviderDragger* sudoThis, SoFCCSysDragger* draggerIn)
{
App::DocumentObject *genericObject = sudoThis->getObject();
if (!genericObject->isDerivedFrom(App::GeoFeature::getClassTypeId()))
return;
auto geoFeature = static_cast<App::GeoFeature *>(genericObject);
Base::Placement originalPlacement = geoFeature->Placement.getValue();
double pMatrix[16];
originalPlacement.toMatrix().getMatrix(pMatrix);
Base::Placement freshPlacement = originalPlacement;
//local cache for brevity.
double translationIncrement = draggerIn->translationIncrement.getValue();
double rotationIncrement = draggerIn->rotationIncrement.getValue();
int tCountX = draggerIn->translationIncrementCountX.getValue();
int tCountY = draggerIn->translationIncrementCountY.getValue();
int tCountZ = draggerIn->translationIncrementCountZ.getValue();
int rCountX = draggerIn->rotationIncrementCountX.getValue();
int rCountY = draggerIn->rotationIncrementCountY.getValue();
int rCountZ = draggerIn->rotationIncrementCountZ.getValue();
//just as a little sanity check make sure only 1 field has changed.
int numberOfFieldChanged = 0;
if (tCountX) numberOfFieldChanged++;
if (tCountY) numberOfFieldChanged++;
if (tCountZ) numberOfFieldChanged++;
if (rCountX) numberOfFieldChanged++;
if (rCountY) numberOfFieldChanged++;
if (rCountZ) numberOfFieldChanged++;
if (numberOfFieldChanged == 0)
return;
assert(numberOfFieldChanged == 1);
//helper lambdas.
auto getVectorX = [&pMatrix]() {return Base::Vector3d(pMatrix[0], pMatrix[4], pMatrix[8]);};
auto getVectorY = [&pMatrix]() {return Base::Vector3d(pMatrix[1], pMatrix[5], pMatrix[9]);};
auto getVectorZ = [&pMatrix]() {return Base::Vector3d(pMatrix[2], pMatrix[6], pMatrix[10]);};
if (tCountX)
{
Base::Vector3d movementVector(getVectorX());
movementVector *= (tCountX * translationIncrement);
freshPlacement.move(movementVector);
geoFeature->Placement.setValue(freshPlacement);
}
else if (tCountY)
{
Base::Vector3d movementVector(getVectorY());
movementVector *= (tCountY * translationIncrement);
freshPlacement.move(movementVector);
geoFeature->Placement.setValue(freshPlacement);
}
else if (tCountZ)
{
Base::Vector3d movementVector(getVectorZ());
movementVector *= (tCountZ * translationIncrement);
freshPlacement.move(movementVector);
geoFeature->Placement.setValue(freshPlacement);
}
else if (rCountX)
{
Base::Vector3d rotationVector(getVectorX());
Base::Rotation rotation(rotationVector, rCountX * rotationIncrement);
freshPlacement.setRotation(rotation * freshPlacement.getRotation());
geoFeature->Placement.setValue(freshPlacement);
}
else if (rCountY)
{
Base::Vector3d rotationVector(getVectorY());
Base::Rotation rotation(rotationVector, rCountY * rotationIncrement);
freshPlacement.setRotation(rotation * freshPlacement.getRotation());
geoFeature->Placement.setValue(freshPlacement);
}
else if (rCountZ)
{
Base::Vector3d rotationVector(getVectorZ());
Base::Rotation rotation(rotationVector, rCountZ * rotationIncrement);
freshPlacement.setRotation(rotation * freshPlacement.getRotation());
geoFeature->Placement.setValue(freshPlacement);
}
draggerIn->clearIncrementCounts();
}
void ViewProviderDragger::updateTransform(const Base::Placement& from, SoTransform* to)
{
auto q0 = (float)from.getRotation().getValue()[0];
auto q1 = (float)from.getRotation().getValue()[1];
auto q2 = (float)from.getRotation().getValue()[2];
auto q3 = (float)from.getRotation().getValue()[3];
auto px = (float)from.getPosition().x;
auto py = (float)from.getPosition().y;
auto pz = (float)from.getPosition().z;
to->rotation.setValue(q0,q1,q2,q3);
to->translation.setValue(px,py,pz);
to->center.setValue(0.0f,0.0f,0.0f);
to->scaleFactor.setValue(1.0f,1.0f,1.0f);
}
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