330 lines
12 KiB
C++
330 lines
12 KiB
C++
/***************************************************************************
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* Copyright (c) 2023 Pierre-Louis Boyer <development@Ondsel.com> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include <cmath>
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#include <vector>
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#include <QTimer>
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#include <App/Document.h>
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#include <App/DocumentObject.h>
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#include <App/Link.h>
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#include <App/Part.h>
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#include <Base/UnitsApi.h>
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#include <Gui/Application.h>
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#include <Gui/MainWindow.h>
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#include <Gui/Selection/Selection.h>
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#include <Gui/Control.h>
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#include <Mod/Part/App/PartFeature.h>
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#include <Mod/Part/App/TopoShape.h>
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#include <Mod/Part/App/DatumFeature.h>
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#include <Mod/Measure/App/Measurement.h>
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#include "QuickMeasure.h"
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using namespace Measure;
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using namespace MeasureGui;
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FC_LOG_LEVEL_INIT("QuickMeasure", true, true)
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QuickMeasure::QuickMeasure(QObject* parent)
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: QObject(parent)
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, measurement {new Measure::Measurement()}
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{
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selectionTimer = new QTimer(this);
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pendingProcessing = false;
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connect(selectionTimer, &QTimer::timeout, this, &QuickMeasure::processSelection);
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}
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QuickMeasure::~QuickMeasure()
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{
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delete selectionTimer;
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delete measurement;
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}
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void QuickMeasure::onSelectionChanged(const Gui::SelectionChanges& msg)
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{
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if (shouldMeasure(msg)) {
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if (!pendingProcessing) {
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selectionTimer->start(100);
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}
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pendingProcessing = true;
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}
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}
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void QuickMeasure::processSelection()
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{
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if (pendingProcessing) {
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pendingProcessing = false;
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try {
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tryMeasureSelection();
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}
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catch (const Base::IndexError&) {
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// ignore this exception because it can be caused by trying to access a non-existing
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// sub-element e.g. when selecting a construction geometry in sketcher
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}
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catch (const Base::ValueError&) {
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// ignore this exception because it can be caused by trying to access a non-existing
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// sub-element e.g. when selecting a constraint in sketcher
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}
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catch (const Base::Exception& e) {
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e.reportException();
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}
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catch (const Standard_Failure& e) {
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FC_ERR(e);
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}
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catch (...) {
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FC_ERR("Unhandled unknown exception");
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}
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}
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}
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void QuickMeasure::tryMeasureSelection()
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{
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Gui::Document* doc = Gui::Application::Instance->activeDocument();
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measurement->clear();
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if (doc && Gui::Control().activeDialog() == nullptr) {
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// we (still) have a doc and are not in a tool dialog where the user needs to click on stuff
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addSelectionToMeasurement();
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}
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printResult();
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}
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bool QuickMeasure::shouldMeasure(const Gui::SelectionChanges& msg) const
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{
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if (!Gui::getMainWindow()->isRightSideMessageVisible()) {
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// don't measure if there's no where to show the result
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return false;
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}
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Gui::Document* doc = Gui::Application::Instance->activeDocument();
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if (!doc) {
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// no active document
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return false;
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}
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if (msg.Type == Gui::SelectionChanges::AddSelection
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|| msg.Type == Gui::SelectionChanges::RmvSelection
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|| msg.Type == Gui::SelectionChanges::SetSelection
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|| msg.Type == Gui::SelectionChanges::ClrSelection) {
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// the event is about a change in selected objects
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return true;
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}
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return false;
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}
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bool QuickMeasure::isObjAcceptable(App::DocumentObject* obj)
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{
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// only measure shapes. Exclude datums that derive from Part::Feature
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if (obj && obj->isDerivedFrom<Part::Feature>() && !obj->isDerivedFrom<Part::Datum>()) {
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return true;
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}
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return false;
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}
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void QuickMeasure::addSelectionToMeasurement()
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{
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int count = 0;
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int limit = 100;
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auto selObjs = Gui::Selection().getSelectionEx(nullptr,
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App::DocumentObject::getClassTypeId(),
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Gui::ResolveMode::NoResolve);
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for (auto& selObj : selObjs) {
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App::DocumentObject* rootObj = selObj.getObject();
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const std::vector<std::string> subNames = selObj.getSubNames();
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// Check that there's not too many selection
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count += subNames.empty() ? 1 : subNames.size();
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if (count > limit) {
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measurement->clear();
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return;
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}
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if (subNames.empty()) {
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if (isObjAcceptable(rootObj)) {
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measurement->addReference3D(rootObj, "");
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}
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continue;
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}
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for (auto& subName : subNames) {
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App::DocumentObject* obj = rootObj->getSubObject(subName.c_str());
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if (!isObjAcceptable(obj)) {
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continue;
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}
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measurement->addReference3D(rootObj, subName);
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}
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}
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}
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static QString areaStr(double value)
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{
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Base::Quantity area(value, Base::Unit::Area);
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return QString::fromStdString(area.getUserString());
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}
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static QString lengthStr(double value)
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{
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Base::Quantity dist(value, Base::Unit::Length);
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return QString::fromStdString(dist.getUserString());
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}
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static QString angleStr(double value)
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{
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Base::Quantity dist(value, Base::Unit::Angle);
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return QString::fromStdString(dist.getUserString());
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}
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void QuickMeasure::printResult()
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{
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MeasureType mtype = measurement->getType();
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if (mtype == MeasureType::Surfaces) {
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print(tr("Total area: %1").arg(areaStr(measurement->area())));
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}
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/* deactivated because computing the volumes/area of solids makes a significant
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slow down in selection of complex solids.
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else if (mtype == MeasureType::Volumes) {
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Base::Quantity area(measurement->area(), Base::Unit::Area);
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Base::Quantity vol(measurement->volume(), Base::Unit::Volume);
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print(tr("Volume: %1, Area:
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%2").arg(vol.getSafeUserString()).arg(area.getSafeUserString()));
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}*/
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else if (mtype == MeasureType::TwoPlanes) {
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print(tr("Nominal distance: %1").arg(lengthStr(measurement->planePlaneDistance())));
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}
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else if (mtype == MeasureType::Cone || mtype == MeasureType::Plane) {
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print(tr("Area: %1").arg(areaStr(measurement->area())));
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}
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else if (mtype == MeasureType::CylinderSection || mtype == MeasureType::Sphere
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|| mtype == MeasureType::Torus) {
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print(tr("Area: %1, Radius: %2")
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.arg(areaStr(measurement->area()), lengthStr(measurement->radius())));
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}
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else if (mtype == MeasureType::Cylinder) {
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print(tr("Area: %1, Diameter: %2")
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.arg(areaStr(measurement->area()), lengthStr(measurement->diameter())));
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}
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else if (mtype == MeasureType::TwoCylinders) {
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double angle = measurement->angle();
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if (angle <= Precision::Confusion()) {
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print(tr("Total area: %1, Axis distance: %2")
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.arg(areaStr(measurement->area()),
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lengthStr(measurement->cylinderAxisDistance())));
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}
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else {
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print(tr("Total area: %1, Axis distance: %2, Axis angle: %3")
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.arg(areaStr(measurement->area()),
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lengthStr(measurement->cylinderAxisDistance()),
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angleStr(angle)));
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}
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}
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else if (mtype == MeasureType::Edges) {
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print(tr("Total length: %1").arg(lengthStr(measurement->length())));
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}
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else if (mtype == MeasureType::TwoParallelLines) {
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print(tr("Nominal distance: %1").arg(lengthStr(measurement->lineLineDistance())));
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}
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else if (mtype == MeasureType::TwoLines) {
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print(tr("Angle: %1, Total length: %2")
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.arg(angleStr(measurement->angle()), lengthStr(measurement->length())));
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}
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else if (mtype == MeasureType::Line) {
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print(tr("Length: %1").arg(lengthStr(measurement->length())));
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}
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else if (mtype == MeasureType::CircleArc) {
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print(tr("Radius: %1").arg(lengthStr(measurement->radius())));
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}
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else if (mtype == MeasureType::Circle) {
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print(tr("Diameter: %1").arg(lengthStr(measurement->diameter())));
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}
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else if (mtype == MeasureType::PointToPoint) {
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print(tr("Distance: %1").arg(lengthStr(measurement->length())));
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}
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else if (mtype == MeasureType::PointToEdge || mtype == MeasureType::PointToSurface) {
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print(tr("Minimum distance: %1").arg(lengthStr(measurement->length())));
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}
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else if (mtype == MeasureType::PointToCylinder) {
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print(tr("Minimum distance: %1, Axis distance: %2")
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.arg(lengthStr(measurement->length()),
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lengthStr(measurement->cylinderAxisDistance())));
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}
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else if (mtype == MeasureType::PointToCircle) {
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print(tr("Minimum distance: %1, Center distance: %2")
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.arg(lengthStr(measurement->length()),
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lengthStr(measurement->circleCenterDistance())));
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}
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else if (mtype == MeasureType::TwoCircles) {
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double angle = measurement->angle();
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if (angle <= Precision::Confusion()) {
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print(tr("Total length: %1, Center distance: %2")
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.arg(lengthStr(measurement->length()),
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lengthStr(measurement->circleCenterDistance())));
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}
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else {
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print(tr("Total length: %1, Center distance: %2, Axis angle: %3")
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.arg(lengthStr(measurement->length()),
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lengthStr(measurement->circleCenterDistance()),
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angleStr(angle)));
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}
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}
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else if (mtype == MeasureType::CircleToEdge) {
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print(tr("Total length: %1, Center distance: %2")
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.arg(lengthStr(measurement->length()),
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lengthStr(measurement->circleCenterDistance())));
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}
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else if (mtype == MeasureType::CircleToSurface) {
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print(
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tr("Center surface distance: %1").arg(lengthStr(measurement->circleCenterDistance())));
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}
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else if (mtype == MeasureType::CircleToCylinder) {
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double angle = measurement->angle();
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if (angle <= Precision::Confusion()) {
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print(
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tr("Center axis distance: %1").arg(lengthStr(measurement->cylinderAxisDistance())));
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}
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else {
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print(tr("Center axis distance: %1, Axis angle: %2")
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.arg(lengthStr(measurement->cylinderAxisDistance()), angleStr(angle)));
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}
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}
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else {
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print(QStringLiteral(""));
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}
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}
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void QuickMeasure::print(const QString& message)
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{
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Gui::getMainWindow()->setRightSideMessage(message);
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}
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#include "moc_QuickMeasure.cpp"
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