f5df65c4c4
Elements that have internal geometry are created with the internal geometry on creation. It has been under discussion for a long time. Ulrich was in favour (asked for it several times). DeepSOIC implemented the focus because he hated the poor dragging of the ellipse when empty.
446 lines
17 KiB
C++
446 lines
17 KiB
C++
/***************************************************************************
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* Copyright (c) 2010 Jürgen Riegel <juergen.riegel@web.de> *
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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 "PreCompiled.h"
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#ifndef _PreComp_
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# include <Standard_math.hxx>
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# include <Inventor/nodes/SoTranslation.h>
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# include <Inventor/nodes/SoText2.h>
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# include <Inventor/nodes/SoFont.h>
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# include <QPainter>
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#endif
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/// Here the FreeCAD includes sorted by Base,App,Gui......
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#include <Base/Console.h>
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#include <Base/Exception.h>
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#include <Base/Interpreter.h>
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#include <Gui/Application.h>
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#include <Gui/BitmapFactory.h>
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#include <Gui/Command.h>
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#include <Gui/Document.h>
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#include <Gui/Macro.h>
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#include <Gui/MainWindow.h>
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#include <Gui/View3DInventorViewer.h>
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#include <Gui/View3DInventor.h>
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#include <Mod/Part/App/Geometry.h>
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#include <Mod/Sketcher/App/SketchObject.h>
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#include "DrawSketchHandler.h"
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#include "ViewProviderSketch.h"
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using namespace SketcherGui;
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using namespace Sketcher;
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//**************************************************************************
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// Construction/Destruction
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DrawSketchHandler::DrawSketchHandler()
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: sketchgui(0)
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{
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}
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DrawSketchHandler::~DrawSketchHandler()
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{
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}
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void DrawSketchHandler::quit(void)
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{
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assert(sketchgui);
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sketchgui->drawEdit(std::vector<Base::Vector2D>());
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resetPositionText();
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unsetCursor();
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sketchgui->purgeHandler();
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}
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//**************************************************************************
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// Helpers
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int DrawSketchHandler::getHighestVertexIndex(void)
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{
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return sketchgui->getSketchObject()->getHighestVertexIndex();
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}
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int DrawSketchHandler::getHighestCurveIndex(void)
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{
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return sketchgui->getSketchObject()->getHighestCurveIndex();
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}
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void DrawSketchHandler::setCursor(const QPixmap &p,int x,int y)
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{
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Gui::MDIView* view = Gui::getMainWindow()->activeWindow();
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if (view && view->isDerivedFrom(Gui::View3DInventor::getClassTypeId())) {
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Gui::View3DInventorViewer* viewer = static_cast<Gui::View3DInventor*>(view)->getViewer();
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oldCursor = viewer->getWidget()->cursor();
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QCursor cursor(p, x, y);
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actCursor = cursor;
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viewer->getWidget()->setCursor(cursor);
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}
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}
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void DrawSketchHandler::applyCursor(void)
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{
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applyCursor(actCursor);
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}
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void DrawSketchHandler::applyCursor(QCursor &newCursor)
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{
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Gui::MDIView* view = Gui::getMainWindow()->activeWindow();
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if (view && view->isDerivedFrom(Gui::View3DInventor::getClassTypeId())) {
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Gui::View3DInventorViewer* viewer = static_cast<Gui::View3DInventor*>(view)->getViewer();
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viewer->getWidget()->setCursor(newCursor);
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}
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}
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void DrawSketchHandler::unsetCursor(void)
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{
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Gui::MDIView* view = Gui::getMainWindow()->activeWindow();
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if (view && view->isDerivedFrom(Gui::View3DInventor::getClassTypeId())) {
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Gui::View3DInventorViewer* viewer = static_cast<Gui::View3DInventor*>(view)->getViewer();
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viewer->getWidget()->setCursor(oldCursor);
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}
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}
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int DrawSketchHandler::seekAutoConstraint(std::vector<AutoConstraint> &suggestedConstraints,
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const Base::Vector2D& Pos, const Base::Vector2D& Dir,
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AutoConstraint::TargetType type)
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{
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suggestedConstraints.clear();
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if (!sketchgui->Autoconstraints.getValue())
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return 0; // If Autoconstraints property is not set quit
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// Get Preselection
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int preSelPnt = sketchgui->getPreselectPoint();
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int preSelCrv = sketchgui->getPreselectCurve();
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int preSelCrs = sketchgui->getPreselectCross();
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int GeoId = Constraint::GeoUndef;
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Sketcher::PointPos PosId = Sketcher::none;
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if (preSelPnt != -1)
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sketchgui->getSketchObject()->getGeoVertexIndex(preSelPnt, GeoId, PosId);
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else if (preSelCrv != -1)
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GeoId = preSelCrv;
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else if (preSelCrs == 0) { // root point
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GeoId = -1;
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PosId = Sketcher::start;
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}
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else if (preSelCrs == 1) // x axis
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GeoId = -1;
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else if (preSelCrs == 2) // y axis
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GeoId = -2;
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if (GeoId != Constraint::GeoUndef) {
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// Currently only considers objects in current Sketcher
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AutoConstraint constr;
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constr.Type = Sketcher::None;
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constr.GeoId = GeoId;
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constr.PosId = PosId;
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if (type == AutoConstraint::VERTEX && PosId != Sketcher::none)
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constr.Type = Sketcher::Coincident;
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else if (type == AutoConstraint::CURVE && PosId != Sketcher::none)
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constr.Type = Sketcher::PointOnObject;
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else if (type == AutoConstraint::VERTEX && PosId == Sketcher::none)
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constr.Type = Sketcher::PointOnObject;
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else if (type == AutoConstraint::CURVE && PosId == Sketcher::none)
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constr.Type = Sketcher::Tangent;
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if (constr.Type != Sketcher::None)
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suggestedConstraints.push_back(constr);
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}
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if (Dir.Length() < 1e-8)
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// Direction not set so return;
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return suggestedConstraints.size();
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// Suggest vertical and horizontal constraints
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// Number of Degree of deviation from horizontal or vertical lines
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const double angleDev = 2;
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const double angleDevRad = angleDev * M_PI / 180.;
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AutoConstraint constr;
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constr.Type = Sketcher::None;
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constr.GeoId = Constraint::GeoUndef;
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constr.PosId = Sketcher::none;
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double angle = std::abs(atan2(Dir.fY, Dir.fX));
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if (angle < angleDevRad || (M_PI - angle) < angleDevRad )
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// Suggest horizontal constraint
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constr.Type = Sketcher::Horizontal;
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else if (std::abs(angle - M_PI_2) < angleDevRad)
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// Suggest vertical constraint
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constr.Type = Sketcher::Vertical;
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if (constr.Type != Sketcher::None)
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suggestedConstraints.push_back(constr);
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// Find if there are tangent constraints (currently arcs and circles)
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int tangId = Constraint::GeoUndef;
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// Do not consider if distance is more than that.
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// Decrease this value when a candidate is found.
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double tangDeviation = 0.1 * sketchgui->getScaleFactor();
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// Get geometry list
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const std::vector<Part::Geometry *> geomlist = sketchgui->getSketchObject()->getCompleteGeometry();
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Base::Vector3d tmpPos(Pos.fX, Pos.fY, 0.f); // Current cursor point
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Base::Vector3d tmpDir(Dir.fX, Dir.fY, 0.f); // Direction of line
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Base::Vector3d tmpStart(Pos.fX-Dir.fX, Pos.fY-Dir.fY, 0.f); // Start point
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// Iterate through geometry
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int i = 0;
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for (std::vector<Part::Geometry *>::const_iterator it=geomlist.begin(); it != geomlist.end(); ++it, i++) {
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if ((*it)->getTypeId() == Part::GeomCircle::getClassTypeId()) {
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const Part::GeomCircle *circle = dynamic_cast<const Part::GeomCircle *>((*it));
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Base::Vector3d center = circle->getCenter();
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double radius = circle->getRadius();
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// ignore if no touch (use dot product)
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if(tmpDir * (center-tmpPos) > 0 || tmpDir * (center-tmpStart) < 0)
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continue;
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Base::Vector3d projPnt(0.f, 0.f, 0.f);
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projPnt = projPnt.ProjToLine(center - tmpPos, tmpDir);
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double projDist = std::abs(projPnt.Length() - radius);
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// Find if nearest
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if (projDist < tangDeviation) {
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tangId = i;
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tangDeviation = projDist;
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}
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} else if ((*it)->getTypeId() == Part::GeomEllipse::getClassTypeId()) {
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const Part::GeomEllipse *ellipse = dynamic_cast<const Part::GeomEllipse *>((*it));
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Base::Vector3d center = ellipse->getCenter();
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Base::Vector3d tmpPos(Pos.fX, Pos.fY, 0.f);
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double radius = ellipse->getMajorRadius();
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Base::Vector3d projPnt(0.f, 0.f, 0.f);
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projPnt = projPnt.ProjToLine(center - tmpPos, Base::Vector3d(Dir.fX, Dir.fY));
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double projDist = projPnt.Length();
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if ( (projDist < radius + tangDeviation ) && (projDist > radius - tangDeviation)) {
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//Find if nearest
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if (projDist < tangDeviation) {
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tangId = i;
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tangDeviation = projDist;
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}
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}
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} else if ((*it)->getTypeId() == Part::GeomArcOfCircle::getClassTypeId()) {
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const Part::GeomArcOfCircle *arc = dynamic_cast<const Part::GeomArcOfCircle *>((*it));
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Base::Vector3d center = arc->getCenter();
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double radius = arc->getRadius();
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// ignore if no touch (use dot product)
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if(tmpDir * (center-tmpPos) > 0 || tmpDir * (center-tmpStart) < 0)
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continue;
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Base::Vector3d projPnt(0.f, 0.f, 0.f);
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projPnt = projPnt.ProjToLine(center - tmpPos, tmpDir);
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double projDist = std::abs(projPnt.Length() - radius);
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if (projDist < tangDeviation) {
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double startAngle, endAngle;
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arc->getRange(startAngle, endAngle);
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double angle = atan2(projPnt.y, projPnt.x);
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while(angle < startAngle)
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angle += 2*D_PI; // Bring it to range of arc
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// if the point is on correct side of arc
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if (angle <= endAngle) { // Now need to check only one side
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tangId = i;
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tangDeviation = projDist;
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}
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}
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}
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}
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if (tangId != Constraint::GeoUndef) {
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if (tangId > getHighestCurveIndex()) // external Geometry
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tangId = getHighestCurveIndex() - tangId;
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// Suggest vertical constraint
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constr.Type = Tangent;
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constr.GeoId = tangId;
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constr.PosId = Sketcher::none;
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suggestedConstraints.push_back(constr);
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}
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return suggestedConstraints.size();
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}
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void DrawSketchHandler::createAutoConstraints(const std::vector<AutoConstraint> &autoConstrs,
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int geoId1, Sketcher::PointPos posId1)
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{
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if (!sketchgui->Autoconstraints.getValue())
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return; // If Autoconstraints property is not set quit
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if (autoConstrs.size() > 0) {
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// Open the Command
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Gui::Command::openCommand("Add auto constraints");
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// Iterate through constraints
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std::vector<AutoConstraint>::const_iterator it = autoConstrs.begin();
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for (; it != autoConstrs.end(); ++it) {
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switch (it->Type)
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{
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case Sketcher::Coincident: {
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if (posId1 == Sketcher::none)
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continue;
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// If the auto constraint has a point create a coincident otherwise it is an edge on a point
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Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('Coincident',%i,%i,%i,%i)) "
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,sketchgui->getObject()->getNameInDocument()
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,geoId1, posId1, it->GeoId, it->PosId
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);
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} break;
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case Sketcher::PointOnObject: {
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int geoId2 = it->GeoId;
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Sketcher::PointPos posId2 = it->PosId;
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if (posId1 == Sketcher::none) {
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// Auto constraining an edge so swap parameters
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std::swap(geoId1,geoId2);
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std::swap(posId1,posId2);
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}
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Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('PointOnObject',%i,%i,%i)) "
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,sketchgui->getObject()->getNameInDocument()
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,geoId1, posId1, geoId2
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);
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} break;
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case Sketcher::Horizontal: {
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Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('Horizontal',%i)) "
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,sketchgui->getObject()->getNameInDocument()
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,geoId1
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);
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} break;
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case Sketcher::Vertical: {
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Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('Vertical',%i)) "
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,sketchgui->getObject()->getNameInDocument()
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,geoId1
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);
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} break;
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case Sketcher::Tangent: {
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Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.addConstraint(Sketcher.Constraint('Tangent',%i, %i)) "
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,sketchgui->getObject()->getNameInDocument()
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,geoId1, it->GeoId
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);
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} break;
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default:
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break;
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}
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Gui::Command::commitCommand();
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Gui::Command::updateActive();
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}
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}
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}
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void DrawSketchHandler::renderSuggestConstraintsCursor(std::vector<AutoConstraint> &suggestedConstraints)
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{
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// Auto Constrait icon size in px
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int iconSize = 16;
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// Create a pixmap that will contain icon and each autoconstraint icon
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QPixmap baseIcon = actCursor.pixmap();
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QPixmap newIcon(baseIcon.width() + suggestedConstraints.size() * iconSize,
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baseIcon.height());
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newIcon.fill(Qt::transparent);
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QPainter qp;
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qp.begin(&newIcon);
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qp.drawPixmap(0,0, baseIcon);
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// Iterate through AutoConstraints type and add icons to the cursor pixmap
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std::vector<AutoConstraint>::iterator it=suggestedConstraints.begin();
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int i = 0;
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for (; it != suggestedConstraints.end(); ++it, i++) {
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QString iconType;
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switch (it->Type)
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{
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case Horizontal:
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iconType = QString::fromAscii("Constraint_Horizontal");
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break;
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case Vertical:
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iconType = QString::fromAscii("Constraint_Vertical");
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break;
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case Coincident:
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iconType = QString::fromAscii("Constraint_PointOnPoint");
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break;
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case PointOnObject:
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iconType = QString::fromAscii("Constraint_PointOnObject");
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break;
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case Tangent:
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iconType = QString::fromAscii("Constraint_Tangent");
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break;
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default:
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break;
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}
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if (!iconType.isEmpty()) {
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QPixmap icon = Gui::BitmapFactory().pixmap(iconType.toAscii()).scaledToWidth(iconSize);
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qp.drawPixmap(QPoint(baseIcon.width() + i * iconSize, baseIcon.height() - iconSize), icon);
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}
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}
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qp.end(); // Finish painting
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// Create the new cursor with the icon.
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QPoint p=actCursor.hotSpot();
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QCursor newCursor(newIcon, p.x(), p.y());
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applyCursor(newCursor);
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}
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void DrawSketchHandler::setPositionText(const Base::Vector2D &Pos, const SbString &text)
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{
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sketchgui->setPositionText(Pos, text);
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}
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void DrawSketchHandler::setPositionText(const Base::Vector2D &Pos)
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{
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sketchgui->setPositionText(Pos);
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}
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void DrawSketchHandler::resetPositionText(void)
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{
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sketchgui->resetPositionText();
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}
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