/
ViewProviderSketch.cpp
7222 lines (6163 loc) · 333 KB
/
ViewProviderSketch.cpp
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/***************************************************************************
* Copyright (c) 2009 Juergen Riegel <juergen.riegel@web.de> *
* *
* 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 <Standard_math.hxx>
# include <Poly_Polygon3D.hxx>
# include <Geom_BSplineCurve.hxx>
# include <Geom_Circle.hxx>
# include <Geom_Ellipse.hxx>
# include <Geom_TrimmedCurve.hxx>
# include <Inventor/actions/SoGetBoundingBoxAction.h>
# include <Inventor/SoPath.h>
# include <Inventor/SbBox3f.h>
# include <Inventor/SbImage.h>
# include <Inventor/SoPickedPoint.h>
# include <Inventor/details/SoLineDetail.h>
# include <Inventor/details/SoPointDetail.h>
# include <Inventor/nodes/SoBaseColor.h>
# include <Inventor/nodes/SoCoordinate3.h>
# include <Inventor/nodes/SoDrawStyle.h>
# include <Inventor/nodes/SoImage.h>
# include <Inventor/nodes/SoInfo.h>
# include <Inventor/nodes/SoLineSet.h>
# include <Inventor/nodes/SoPointSet.h>
# include <Inventor/nodes/SoMarkerSet.h>
# include <Inventor/nodes/SoMaterial.h>
# include <Inventor/nodes/SoAsciiText.h>
# include <Inventor/nodes/SoTransform.h>
# include <Inventor/nodes/SoSeparator.h>
# include <Inventor/nodes/SoAnnotation.h>
# include <Inventor/nodes/SoVertexProperty.h>
# include <Inventor/nodes/SoTranslation.h>
# include <Inventor/nodes/SoText2.h>
# include <Inventor/nodes/SoFont.h>
# include <Inventor/nodes/SoPickStyle.h>
# include <Inventor/nodes/SoCamera.h>
# include <Inventor/SbTime.h>
/// Qt Include Files
# include <QAction>
# include <QApplication>
# include <QColor>
# include <QDialog>
# include <QFont>
# include <QImage>
# include <QMenu>
# include <QMessageBox>
# include <QPainter>
# include <QTextStream>
# include <QKeyEvent>
# include <QDesktopWidget>
# include <boost_bind_bind.hpp>
# include <boost/scoped_ptr.hpp>
#endif
/// Here the FreeCAD includes sorted by Base,App,Gui......
#include <Base/Converter.h>
#include <Base/Tools.h>
#include <Base/Parameter.h>
#include <Base/Console.h>
#include <Base/Vector3D.h>
#include <Base/Interpreter.h>
#include <Base/UnitsSchema.h>
#include <Base/UnitsApi.h>
#include <Gui/Application.h>
#include <Gui/BitmapFactory.h>
#include <Gui/Document.h>
#include <Gui/CommandT.h>
#include <Gui/Control.h>
#include <Gui/Selection.h>
#include <Gui/Tools.h>
#include <Gui/Utilities.h>
#include <Gui/MainWindow.h>
#include <Gui/MenuManager.h>
#include <Gui/View3DInventor.h>
#include <Gui/View3DInventorViewer.h>
#include <Gui/DlgEditFileIncludePropertyExternal.h>
#include <Gui/SoFCBoundingBox.h>
#include <Gui/SoFCUnifiedSelection.h>
#include <Gui/Inventor/MarkerBitmaps.h>
#include <Gui/Inventor/SmSwitchboard.h>
#include <Mod/Part/App/Geometry.h>
#include <Mod/Part/App/BodyBase.h>
#include <Mod/Sketcher/App/SketchObject.h>
#include <Mod/Sketcher/App/Sketch.h>
#include <Mod/Sketcher/App/GeometryFacade.h>
#include "SoZoomTranslation.h"
#include "SoDatumLabel.h"
#include "EditDatumDialog.h"
#include "ViewProviderSketch.h"
#include "DrawSketchHandler.h"
#include "TaskDlgEditSketch.h"
#include "TaskSketcherValidation.h"
#include "CommandConstraints.h"
#include "ViewProviderSketchGeometryExtension.h"
#include <Mod/Sketcher/App/SolverGeometryExtension.h>
FC_LOG_LEVEL_INIT("Sketch",true,true)
// The first is used to point at a SoDatumLabel for some
// constraints, and at a SoMaterial for others...
#define CONSTRAINT_SEPARATOR_INDEX_MATERIAL_OR_DATUMLABEL 0
#define CONSTRAINT_SEPARATOR_INDEX_FIRST_TRANSLATION 1
#define CONSTRAINT_SEPARATOR_INDEX_FIRST_ICON 2
#define CONSTRAINT_SEPARATOR_INDEX_FIRST_CONSTRAINTID 3
#define CONSTRAINT_SEPARATOR_INDEX_SECOND_TRANSLATION 4
#define CONSTRAINT_SEPARATOR_INDEX_SECOND_ICON 5
#define CONSTRAINT_SEPARATOR_INDEX_SECOND_CONSTRAINTID 6
// Macros to define information layer node child positions within type
#define GEOINFO_BSPLINE_DEGREE_POS 0
#define GEOINFO_BSPLINE_DEGREE_TEXT 3
#define GEOINFO_BSPLINE_POLYGON 1
using namespace SketcherGui;
using namespace Sketcher;
namespace bp = boost::placeholders;
SbColor ViewProviderSketch::VertexColor (1.0f,0.149f,0.0f); // #FF2600 -> (255, 38, 0)
SbColor ViewProviderSketch::CurveColor (1.0f,1.0f,1.0f); // #FFFFFF -> (255,255,255)
SbColor ViewProviderSketch::CurveDraftColor (0.0f,0.0f,0.86f); // #0000DC -> ( 0, 0,220)
SbColor ViewProviderSketch::CurveExternalColor (0.8f,0.2f,0.6f); // #CC3399 -> (204, 51,153)
SbColor ViewProviderSketch::CrossColorH (0.8f,0.4f,0.4f); // #CC6666 -> (204,102,102)
SbColor ViewProviderSketch::CrossColorV (0.47f,1.0f,0.51f); // #83FF83 -> (120,255,131)
SbColor ViewProviderSketch::FullyConstrainedColor (0.0f,1.0f,0.0f); // #00FF00 -> ( 0,255, 0)
SbColor ViewProviderSketch::ConstrDimColor (1.0f,0.149f,0.0f); // #FF2600 -> (255, 38, 0)
SbColor ViewProviderSketch::ConstrIcoColor (1.0f,0.149f,0.0f); // #FF2600 -> (255, 38, 0)
SbColor ViewProviderSketch::NonDrivingConstrDimColor (0.0f,0.149f,1.0f); // #0026FF -> ( 0, 38,255)
SbColor ViewProviderSketch::ExprBasedConstrDimColor (1.0f,0.5f,0.149f); // #FF7F26 -> (255, 127,38)
SbColor ViewProviderSketch::InformationColor (0.0f,1.0f,0.0f); // #00FF00 -> ( 0,255, 0)
SbColor ViewProviderSketch::PreselectColor (0.88f,0.88f,0.0f); // #E1E100 -> (225,225, 0)
SbColor ViewProviderSketch::SelectColor (0.11f,0.68f,0.11f); // #1CAD1C -> ( 28,173, 28)
SbColor ViewProviderSketch::PreselectSelectedColor (0.36f,0.48f,0.11f); // #5D7B1C -> ( 93,123, 28)
SbColor ViewProviderSketch::CreateCurveColor (0.8f,0.8f,0.8f); // #CCCCCC -> (204,204,204)
SbColor ViewProviderSketch::DeactivatedConstrDimColor (0.8f,0.8f,0.8f); // #CCCCCC -> (204,204,204)
SbColor ViewProviderSketch::InternalAlignedGeoColor (0.7f,0.7f,0.5f); // #B2B27F -> (178,178,127)
SbColor ViewProviderSketch::FullyConstraintElementColor (0.50f,0.81f,0.62f); // #80D0A0 -> (128,208,160)
SbColor ViewProviderSketch::FullyConstraintConstructionElementColor (0.56f,0.66f,0.99f); // #8FA9FD -> (143,169,253)
SbColor ViewProviderSketch::FullyConstraintInternalAlignmentColor (0.87f,0.87f,0.78f); // #DEDEC8 -> (222,222,200)
SbColor ViewProviderSketch::FullyConstraintConstructionPointColor (1.0f,0.58f,0.50f); // #FF9580 -> (255,149,128)
SbColor ViewProviderSketch::InvalidSketchColor (1.0f,0.42f,0.0f); // #FF6D00 -> (255,109, 0)
// Variables for holding previous click
SbTime ViewProviderSketch::prvClickTime;
SbVec2s ViewProviderSketch::prvClickPos;
SbVec2s ViewProviderSketch::prvCursorPos;
SbVec2s ViewProviderSketch::newCursorPos;
//**************************************************************************
// Edit data structure
/// Data structure while editing the sketch
struct EditData {
EditData():
sketchHandler(0),
buttonPress(false),
handleEscapeButton(false),
DragPoint(-1),
DragCurve(-1),
PreselectPoint(-1),
PreselectCurve(-1),
PreselectCross(-1),
MarkerSize(7),
coinFontSize(17), // this value is in pixels, 17 pixels
constraintIconSize(15),
blockedPreselection(false),
FullyConstrained(false),
//ActSketch(0), // if you are wondering, it went to SketchObject, accessible via getSolvedSketch() and via SketchObject interface as appropriate
EditRoot(0),
PointsMaterials(0),
CurvesMaterials(0),
RootCrossMaterials(0),
EditCurvesMaterials(0),
PointsCoordinate(0),
CurvesCoordinate(0),
RootCrossCoordinate(0),
EditCurvesCoordinate(0),
CurveSet(0),
RootCrossSet(0),
EditCurveSet(0),
PointSet(0),
textX(0),
textPos(0),
constrGroup(0),
infoGroup(0),
pickStyleAxes(0),
PointsDrawStyle(0),
CurvesDrawStyle(0),
RootCrossDrawStyle(0),
EditCurvesDrawStyle(0),
ConstraintDrawStyle(0),
InformationDrawStyle(0)
{}
// pointer to the active handler for new sketch objects
DrawSketchHandler *sketchHandler;
bool buttonPress;
bool handleEscapeButton;
// dragged point
int DragPoint;
// dragged curve
int DragCurve;
// dragged constraints
std::set<int> DragConstraintSet;
SbColor PreselectOldColor;
int PreselectPoint;
int PreselectCurve;
int PreselectCross;
int MarkerSize;
int coinFontSize;
int constraintIconSize;
double pixelScalingFactor;
std::set<int> PreselectConstraintSet;
bool blockedPreselection;
bool FullyConstrained;
// container to track our own selected parts
std::set<int> SelPointSet;
std::set<int> SelCurvSet; // also holds cross axes at -1 and -2
std::set<int> SelConstraintSet;
std::vector<int> CurvIdToGeoId; // conversion of SoLineSet index to GeoId
std::vector<int> PointIdToGeoId; // conversion of SoCoordinate3 index to GeoId
// helper data structures for the constraint rendering
std::vector<ConstraintType> vConstrType;
// For each of the combined constraint icons drawn, also create a vector
// of bounding boxes and associated constraint IDs, to go from the icon's
// pixel coordinates to the relevant constraint IDs.
//
// The outside map goes from a string representation of a set of constraint
// icons (like the one used by the constraint IDs we insert into the Coin
// rendering tree) to a vector of those bounding boxes paired with relevant
// constraint IDs.
std::map<QString, ViewProviderSketch::ConstrIconBBVec> combinedConstrBoxes;
// nodes for the visuals
SoSeparator *EditRoot;
SoMaterial *PointsMaterials;
SoMaterial *CurvesMaterials;
SoMaterial *RootCrossMaterials;
SoMaterial *EditCurvesMaterials;
SoCoordinate3 *PointsCoordinate;
SoCoordinate3 *CurvesCoordinate;
SoCoordinate3 *RootCrossCoordinate;
SoCoordinate3 *EditCurvesCoordinate;
SoLineSet *CurveSet;
SoLineSet *RootCrossSet;
SoLineSet *EditCurveSet;
SoMarkerSet *PointSet;
SoText2 *textX;
SoTranslation *textPos;
SmSwitchboard *constrGroup;
SoGroup *infoGroup;
SoPickStyle *pickStyleAxes;
SoDrawStyle * PointsDrawStyle;
SoDrawStyle * CurvesDrawStyle;
SoDrawStyle * RootCrossDrawStyle;
SoDrawStyle * EditCurvesDrawStyle;
SoDrawStyle * ConstraintDrawStyle;
SoDrawStyle * InformationDrawStyle;
};
// this function is used to simulate cyclic periodic negative geometry indices (for external geometry)
const Part::Geometry* GeoById(const std::vector<Part::Geometry*> GeoList, int Id)
{
if (Id >= 0)
return GeoList[Id];
else
return GeoList[GeoList.size()+Id];
}
//**************************************************************************
// Construction/Destruction
/* TRANSLATOR SketcherGui::ViewProviderSketch */
PROPERTY_SOURCE_WITH_EXTENSIONS(SketcherGui::ViewProviderSketch, PartGui::ViewProvider2DObjectGrid)
ViewProviderSketch::ViewProviderSketch()
: SelectionObserver(false),
edit(0),
Mode(STATUS_NONE),
visibleInformationChanged(true),
combrepscalehyst(0),
isShownVirtualSpace(false),
listener(0)
{
PartGui::ViewProviderAttachExtension::initExtension(this);
ADD_PROPERTY_TYPE(Autoconstraints,(true),"Auto Constraints",(App::PropertyType)(App::Prop_None),"Create auto constraints");
ADD_PROPERTY_TYPE(AvoidRedundant,(true),"Auto Constraints",(App::PropertyType)(App::Prop_None),"Avoid redundant autoconstraint");
ADD_PROPERTY_TYPE(TempoVis,(Py::None()),"Visibility automation",(App::PropertyType)(App::Prop_None),"Object that handles hiding and showing other objects when entering/leaving sketch.");
ADD_PROPERTY_TYPE(HideDependent,(true),"Visibility automation",(App::PropertyType)(App::Prop_None),"If true, all objects that depend on the sketch are hidden when opening editing.");
ADD_PROPERTY_TYPE(ShowLinks,(true),"Visibility automation",(App::PropertyType)(App::Prop_None),"If true, all objects used in links to external geometry are shown when opening sketch.");
ADD_PROPERTY_TYPE(ShowSupport,(true),"Visibility automation",(App::PropertyType)(App::Prop_None),"If true, all objects this sketch is attached to are shown when opening sketch.");
ADD_PROPERTY_TYPE(RestoreCamera,(true),"Visibility automation",(App::PropertyType)(App::Prop_None),"If true, camera position before entering sketch is remembered, and restored after closing it.");
ADD_PROPERTY_TYPE(EditingWorkbench,("SketcherWorkbench"),"Visibility automation",(App::PropertyType)(App::Prop_None),"Name of the workbench to activate when editing this sketch.");
{//visibility automation: update defaults to follow preferences
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher/General");
this->HideDependent.setValue(hGrp->GetBool("HideDependent", true));
this->ShowLinks.setValue(hGrp->GetBool("ShowLinks", true));
this->ShowSupport.setValue(hGrp->GetBool("ShowSupport", true));
this->RestoreCamera.setValue(hGrp->GetBool("RestoreCamera", true));
// well it is not visibility automation but a good place nevertheless
this->ShowGrid.setValue(hGrp->GetBool("ShowGrid", false));
this->GridSize.setValue(Base::Quantity::parse(QString::fromLatin1(hGrp->GetGroup("GridSize")->GetASCII("Hist0", "10.0").c_str())).getValue());
this->GridSnap.setValue(hGrp->GetBool("GridSnap", false));
this->Autoconstraints.setValue(hGrp->GetBool("AutoConstraints", true));
this->AvoidRedundant.setValue(hGrp->GetBool("AvoidRedundantAutoconstraints", true));
this->GridAutoSize.setValue(false); //Grid size is managed by this class
}
sPixmap = "Sketcher_Sketch";
LineColor.setValue(1,1,1);
PointColor.setValue(1,1,1);
PointSize.setValue(4);
zCross=0.001f;
zEdit=0.001f;
zInfo=0.004f;
zLowLines=0.005f;
//zLines=0.005f; // ZLines removed in favour of 3 height groups intended for NormalLines, ConstructionLines, ExternalLines
zMidLines=0.006f;
zHighLines=0.007f; // Lines that are somehow selected to be in the high position (higher than other line categories)
zHighLine=0.008f; // highlighted line (of any group)
zConstr=0.009f; // constraint not construction
//zPoints=0.010f;
zLowPoints = 0.010f;
zHighPoints = 0.011f;
zHighlight=0.012f;
zText=0.012f;
xInit=0;
yInit=0;
relative=false;
unsigned long color;
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/View");
// edge color
App::Color edgeColor = LineColor.getValue();
color = (unsigned long)(edgeColor.getPackedValue());
color = hGrp->GetUnsigned("SketchEdgeColor", color);
edgeColor.setPackedValue((uint32_t)color);
LineColor.setValue(edgeColor);
// vertex color
App::Color vertexColor = PointColor.getValue();
color = (unsigned long)(vertexColor.getPackedValue());
color = hGrp->GetUnsigned("SketchVertexColor", color);
vertexColor.setPackedValue((uint32_t)color);
PointColor.setValue(vertexColor);
//rubberband selection
rubberband = new Gui::Rubberband();
subscribeToParameters();
}
ViewProviderSketch::~ViewProviderSketch()
{
delete rubberband;
unsubscribeToParameters();
}
void ViewProviderSketch::slotUndoDocument(const Gui::Document& /*doc*/)
{
// Note 1: this slot is only operative during edit mode (see signal connection/disconnection)
// Note 2: ViewProviderSketch::UpdateData does not generate updates during undo/redo
// transactions as mid-transaction data may not be in a valid state (e.g. constraints
// may reference invalid geometry). However undo/redo notify SketchObject after the undo/redo
// and before this slot is called.
// Note 3: Note that recomputes are no longer inhibited during the call to this slot.
forceUpdateData();
}
void ViewProviderSketch::slotRedoDocument(const Gui::Document& /*doc*/)
{
// Note 1: this slot is only operative during edit mode (see signal connection/disconnection)
// Note 2: ViewProviderSketch::UpdateData does not generate updates during undo/redo
// transactions as mid-transaction data may not be in a valid state (e.g. constraints
// may reference invalid geometry). However undo/redo notify SketchObject after the undo/redo
// and before this slot is called.
// Note 3: Note that recomputes are no longer inhibited during the call to this slot.
forceUpdateData();
}
void ViewProviderSketch::forceUpdateData()
{
if(!getSketchObject()->noRecomputes) { // the sketch was already solved in SketchObject in onUndoRedoFinished
Gui::Command::updateActive();
}
}
// handler management ***************************************************************
void ViewProviderSketch::activateHandler(DrawSketchHandler *newHandler)
{
assert(edit);
assert(edit->sketchHandler == 0);
edit->sketchHandler = newHandler;
Mode = STATUS_SKETCH_UseHandler;
edit->sketchHandler->sketchgui = this;
edit->sketchHandler->activated(this);
// make sure receiver has focus so immediately pressing Escape will be handled by
// ViewProviderSketch::keyPressed() and dismiss the active handler, and not the entire
// sketcher editor
Gui::MDIView *mdi = Gui::Application::Instance->activeDocument()->getActiveView();
mdi->setFocus();
}
void ViewProviderSketch::deactivateHandler()
{
assert(edit);
if(edit->sketchHandler != 0){
std::vector<Base::Vector2d> editCurve;
editCurve.clear();
drawEdit(editCurve); // erase any line
resetPositionText();
edit->sketchHandler->deactivated(this);
edit->sketchHandler->unsetCursor();
delete(edit->sketchHandler);
}
edit->sketchHandler = 0;
Mode = STATUS_NONE;
}
/// removes the active handler
void ViewProviderSketch::purgeHandler(void)
{
deactivateHandler();
Gui::Selection().clearSelection();
// ensure that we are in sketch only selection mode
Gui::MDIView *mdi = Gui::Application::Instance->editDocument()->getActiveView();
Gui::View3DInventorViewer *viewer;
viewer = static_cast<Gui::View3DInventor *>(mdi)->getViewer();
SoNode* root = viewer->getSceneGraph();
static_cast<Gui::SoFCUnifiedSelection*>(root)->selectionRole.setValue(false);
}
void ViewProviderSketch::setAxisPickStyle(bool on)
{
assert(edit);
if (on)
edit->pickStyleAxes->style = SoPickStyle::SHAPE;
else
edit->pickStyleAxes->style = SoPickStyle::UNPICKABLE;
}
// **********************************************************************************
bool ViewProviderSketch::keyPressed(bool pressed, int key)
{
switch (key)
{
case SoKeyboardEvent::ESCAPE:
{
// make the handler quit but not the edit mode
if (edit && edit->sketchHandler) {
if (!pressed)
edit->sketchHandler->quit();
return true;
}
if (edit && (edit->DragConstraintSet.empty() == false)) {
if (!pressed) {
edit->DragConstraintSet.clear();
}
return true;
}
if (edit && edit->DragCurve >= 0) {
if (!pressed) {
getSketchObject()->movePoint(edit->DragCurve, Sketcher::none, Base::Vector3d(0,0,0), true);
edit->DragCurve = -1;
resetPositionText();
Mode = STATUS_NONE;
}
return true;
}
if (edit && edit->DragPoint >= 0) {
if (!pressed) {
int GeoId;
Sketcher::PointPos PosId;
getSketchObject()->getGeoVertexIndex(edit->DragPoint, GeoId, PosId);
getSketchObject()->movePoint(GeoId, PosId, Base::Vector3d(0,0,0), true);
edit->DragPoint = -1;
resetPositionText();
Mode = STATUS_NONE;
}
return true;
}
if (edit) {
// #0001479: 'Escape' key dismissing dialog cancels Sketch editing
// If we receive a button release event but not a press event before
// then ignore this one.
if (!pressed && !edit->buttonPress)
return true;
edit->buttonPress = pressed;
// More control over Sketcher edit mode Esc key behavior
// https://forum.freecadweb.org/viewtopic.php?f=3&t=42207
return edit->handleEscapeButton;
}
return false;
}
default:
{
if (edit && edit->sketchHandler)
edit->sketchHandler->registerPressedKey(pressed,key);
}
}
return true; // handle all other key events
}
void ViewProviderSketch::snapToGrid(double &x, double &y)
{
if (GridSnap.getValue() && ShowGrid.getValue()) {
// Snap Tolerance in pixels
const double snapTol = GridSize.getValue() / 5;
double tmpX = x, tmpY = y;
// Find Nearest Snap points
tmpX = tmpX / GridSize.getValue();
tmpX = tmpX < 0.0 ? ceil(tmpX - 0.5) : floor(tmpX + 0.5);
tmpX *= GridSize.getValue();
tmpY = tmpY / GridSize.getValue();
tmpY = tmpY < 0.0 ? ceil(tmpY - 0.5) : floor(tmpY + 0.5);
tmpY *= GridSize.getValue();
// Check if x within snap tolerance
if (x < tmpX + snapTol && x > tmpX - snapTol)
x = tmpX; // Snap X Mouse Position
// Check if y within snap tolerance
if (y < tmpY + snapTol && y > tmpY - snapTol)
y = tmpY; // Snap Y Mouse Position
}
}
void ViewProviderSketch::getProjectingLine(const SbVec2s& pnt, const Gui::View3DInventorViewer *viewer, SbLine& line) const
{
const SbViewportRegion& vp = viewer->getSoRenderManager()->getViewportRegion();
short x,y; pnt.getValue(x,y);
SbVec2f siz = vp.getViewportSize();
float dX, dY; siz.getValue(dX, dY);
float fRatio = vp.getViewportAspectRatio();
float pX = (float)x / float(vp.getViewportSizePixels()[0]);
float pY = (float)y / float(vp.getViewportSizePixels()[1]);
// now calculate the real points respecting aspect ratio information
//
if (fRatio > 1.0f) {
pX = (pX - 0.5f*dX) * fRatio + 0.5f*dX;
}
else if (fRatio < 1.0f) {
pY = (pY - 0.5f*dY) / fRatio + 0.5f*dY;
}
SoCamera* pCam = viewer->getSoRenderManager()->getCamera();
if (!pCam) return;
SbViewVolume vol = pCam->getViewVolume();
vol.projectPointToLine(SbVec2f(pX,pY), line);
}
Base::Placement ViewProviderSketch::getEditingPlacement() const {
auto doc = Gui::Application::Instance->editDocument();
if(!doc || doc->getInEdit()!=this)
return getSketchObject()->globalPlacement();
// TODO: won't work if there is scale. Hmm... what to do...
return Base::Placement(doc->getEditingTransform());
}
void ViewProviderSketch::getCoordsOnSketchPlane(double &u, double &v,const SbVec3f &point, const SbVec3f &normal)
{
// Plane form
Base::Vector3d R0(0,0,0),RN(0,0,1),RX(1,0,0),RY(0,1,0);
// move to position of Sketch
Base::Placement Plz = getEditingPlacement();
R0 = Plz.getPosition() ;
Base::Rotation tmp(Plz.getRotation());
tmp.multVec(RN,RN);
tmp.multVec(RX,RX);
tmp.multVec(RY,RY);
Plz.setRotation(tmp);
// line
Base::Vector3d R1(point[0],point[1],point[2]),RA(normal[0],normal[1],normal[2]);
if (fabs(RN*RA) < FLT_EPSILON)
throw Base::DivisionByZeroError("View direction is parallel to sketch plane");
// intersection point on plane
Base::Vector3d S = R1 + ((RN * (R0-R1))/(RN*RA))*RA;
// distance to x Axle of the sketch
S.TransformToCoordinateSystem(R0,RX,RY);
u = S.x;
v = S.y;
}
bool ViewProviderSketch::mouseButtonPressed(int Button, bool pressed, const SbVec2s &cursorPos,
const Gui::View3DInventorViewer *viewer)
{
assert(edit);
// Calculate 3d point to the mouse position
SbLine line;
getProjectingLine(cursorPos, viewer, line);
SbVec3f point = line.getPosition();
SbVec3f normal = line.getDirection();
// use scoped_ptr to make sure that instance gets deleted in all cases
boost::scoped_ptr<SoPickedPoint> pp(this->getPointOnRay(cursorPos, viewer));
// Radius maximum to allow double click event
const int dblClickRadius = 5;
double x,y;
SbVec3f pos = point;
if (pp) {
const SoDetail *detail = pp->getDetail();
if (detail && detail->getTypeId() == SoPointDetail::getClassTypeId()) {
pos = pp->getPoint();
}
}
try {
getCoordsOnSketchPlane(x,y,pos,normal);
snapToGrid(x, y);
}
catch (const Base::DivisionByZeroError&) {
return false;
}
// Left Mouse button ****************************************************
if (Button == 1) {
if (pressed) {
// Do things depending on the mode of the user interaction
switch (Mode) {
case STATUS_NONE:{
bool done=false;
if (edit->PreselectPoint != -1) {
//Base::Console().Log("start dragging, point:%d\n",this->DragPoint);
Mode = STATUS_SELECT_Point;
done = true;
} else if (edit->PreselectCurve != -1) {
//Base::Console().Log("start dragging, point:%d\n",this->DragPoint);
Mode = STATUS_SELECT_Edge;
done = true;
} else if (edit->PreselectCross != -1) {
//Base::Console().Log("start dragging, point:%d\n",this->DragPoint);
Mode = STATUS_SELECT_Cross;
done = true;
} else if (edit->PreselectConstraintSet.empty() != true) {
//Base::Console().Log("start dragging, point:%d\n",this->DragPoint);
Mode = STATUS_SELECT_Constraint;
done = true;
}
// Double click events variables
float dci = (float) QApplication::doubleClickInterval()/1000.0f;
if (done &&
SbVec2f(cursorPos - prvClickPos).length() < dblClickRadius &&
(SbTime::getTimeOfDay() - prvClickTime).getValue() < dci) {
// Double Click Event Occurred
editDoubleClicked();
// Reset Double Click Static Variables
prvClickTime = SbTime();
prvClickPos = SbVec2s(-16000,-16000); //certainly far away from any clickable place, to avoid re-trigger of double-click if next click happens fast.
Mode = STATUS_NONE;
} else {
prvClickTime = SbTime::getTimeOfDay();
prvClickPos = cursorPos;
prvCursorPos = cursorPos;
newCursorPos = cursorPos;
if (!done)
Mode = STATUS_SKETCH_StartRubberBand;
}
return done;
}
case STATUS_SKETCH_UseHandler:
return edit->sketchHandler->pressButton(Base::Vector2d(x,y));
default:
return false;
}
} else { // Button 1 released
// Do things depending on the mode of the user interaction
switch (Mode) {
case STATUS_SELECT_Point:
if (pp) {
//Base::Console().Log("Select Point:%d\n",this->DragPoint);
// Do selection
std::stringstream ss;
ss << "Vertex" << edit->PreselectPoint + 1;
#define SEL_PARAMS editDocName.c_str(),editObjName.c_str(),\
(editSubName+ss.str()).c_str()
if (Gui::Selection().isSelected(SEL_PARAMS) ) {
Gui::Selection().rmvSelection(SEL_PARAMS);
} else {
Gui::Selection().addSelection2(SEL_PARAMS
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
this->edit->DragPoint = -1;
this->edit->DragCurve = -1;
this->edit->DragConstraintSet.clear();
}
}
Mode = STATUS_NONE;
return true;
case STATUS_SELECT_Edge:
if (pp) {
//Base::Console().Log("Select Point:%d\n",this->DragPoint);
std::stringstream ss;
if (edit->PreselectCurve >= 0)
ss << "Edge" << edit->PreselectCurve + 1;
else // external geometry
ss << "ExternalEdge" << -edit->PreselectCurve - 2;
// If edge already selected move from selection
if (Gui::Selection().isSelected(SEL_PARAMS) ) {
Gui::Selection().rmvSelection(SEL_PARAMS);
} else {
// Add edge to the selection
Gui::Selection().addSelection2(SEL_PARAMS
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
this->edit->DragPoint = -1;
this->edit->DragCurve = -1;
this->edit->DragConstraintSet.clear();
}
}
Mode = STATUS_NONE;
return true;
case STATUS_SELECT_Cross:
if (pp) {
//Base::Console().Log("Select Point:%d\n",this->DragPoint);
std::stringstream ss;
switch(edit->PreselectCross){
case 0: ss << "RootPoint" ; break;
case 1: ss << "H_Axis" ; break;
case 2: ss << "V_Axis" ; break;
}
// If cross already selected move from selection
if (Gui::Selection().isSelected(SEL_PARAMS) ) {
Gui::Selection().rmvSelection(SEL_PARAMS);
} else {
// Add cross to the selection
Gui::Selection().addSelection2(SEL_PARAMS
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
this->edit->DragPoint = -1;
this->edit->DragCurve = -1;
this->edit->DragConstraintSet.clear();
}
}
Mode = STATUS_NONE;
return true;
case STATUS_SELECT_Constraint:
if (pp) {
auto sels = edit->PreselectConstraintSet;
for(int id : sels) {
std::stringstream ss;
ss << Sketcher::PropertyConstraintList::getConstraintName(id);
// If the constraint already selected remove
if (Gui::Selection().isSelected(SEL_PARAMS) ) {
Gui::Selection().rmvSelection(SEL_PARAMS);
} else {
// Add constraint to current selection
Gui::Selection().addSelection2(SEL_PARAMS
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
this->edit->DragPoint = -1;
this->edit->DragCurve = -1;
this->edit->DragConstraintSet.clear();
}
}
}
Mode = STATUS_NONE;
return true;
case STATUS_SKETCH_DragPoint:
if (edit->DragPoint != -1) {
int GeoId;
Sketcher::PointPos PosId;
getSketchObject()->getGeoVertexIndex(edit->DragPoint, GeoId, PosId);
if (GeoId != Sketcher::Constraint::GeoUndef && PosId != Sketcher::none) {
getDocument()->openCommand(QT_TRANSLATE_NOOP("Command", "Drag Point"));
try {
Gui::cmdAppObjectArgs(getObject(), "movePoint(%i,%i,App.Vector(%f,%f,0),%i)"
,GeoId, PosId, x-xInit, y-yInit, 0);
getDocument()->commitCommand();
tryAutoRecomputeIfNotSolve(getSketchObject());
}
catch (const Base::Exception& e) {
getDocument()->abortCommand();
Base::Console().Error("Drag point: %s\n", e.what());
}
}
setPreselectPoint(edit->DragPoint);
edit->DragPoint = -1;
//updateColor();
}
resetPositionText();
Mode = STATUS_NONE;
return true;
case STATUS_SKETCH_DragCurve:
if (edit->DragCurve != -1) {
const Part::Geometry *geo = getSketchObject()->getGeometry(edit->DragCurve);
if (geo->getTypeId() == Part::GeomLineSegment::getClassTypeId() ||
geo->getTypeId() == Part::GeomArcOfCircle::getClassTypeId() ||
geo->getTypeId() == Part::GeomCircle::getClassTypeId() ||
geo->getTypeId() == Part::GeomEllipse::getClassTypeId()||
geo->getTypeId() == Part::GeomArcOfEllipse::getClassTypeId()||
geo->getTypeId() == Part::GeomArcOfParabola::getClassTypeId()||
geo->getTypeId() == Part::GeomArcOfHyperbola::getClassTypeId()||
geo->getTypeId() == Part::GeomBSplineCurve::getClassTypeId()) {
getDocument()->openCommand(QT_TRANSLATE_NOOP("Command", "Drag Curve"));
auto geo = getSketchObject()->getGeometry(edit->DragCurve);
auto gf = GeometryFacade::getFacade(geo);
Base::Vector3d vec(x-xInit,y-yInit,0);
// BSpline weights have a radius corresponding to the weight value
// However, in order for them proportional to the B-Spline size,
// the scenograph has a size scalefactor times the weight
// This code normalizes the information sent to the solver.
if(gf->getInternalType() == InternalType::BSplineControlPoint) {
auto circle = static_cast<const Part::GeomCircle *>(geo);
Base::Vector3d center = circle->getCenter();
Base::Vector3d dir = vec - center;
double scalefactor = 1.0;
if(circle->hasExtension(SketcherGui::ViewProviderSketchGeometryExtension::getClassTypeId()))
{
auto vpext = std::static_pointer_cast<const SketcherGui::ViewProviderSketchGeometryExtension>(
circle->getExtension(SketcherGui::ViewProviderSketchGeometryExtension::getClassTypeId()).lock());
scalefactor = vpext->getRepresentationFactor();
}
vec = center + dir / scalefactor;
}
try {
Gui::cmdAppObjectArgs(getObject(), "movePoint(%i,%i,App.Vector(%f,%f,0),%i)"
,edit->DragCurve, Sketcher::none, vec.x, vec.y, relative ? 1 : 0);
getDocument()->commitCommand();
tryAutoRecomputeIfNotSolve(getSketchObject());
}
catch (const Base::Exception& e) {
getDocument()->abortCommand();
Base::Console().Error("Drag curve: %s\n", e.what());
}
}
edit->PreselectCurve = edit->DragCurve;
edit->DragCurve = -1;
//updateColor();
}
resetPositionText();
Mode = STATUS_NONE;
return true;
case STATUS_SKETCH_DragConstraint:
if (edit->DragConstraintSet.empty() == false) {
getDocument()->openCommand(QT_TRANSLATE_NOOP("Command", "Drag Constraint"));
auto idset = edit->DragConstraintSet;
for(int id : idset) {
moveConstraint(id, Base::Vector2d(x, y));
//updateColor();
}
edit->PreselectConstraintSet = edit->DragConstraintSet;
edit->DragConstraintSet.clear();
getDocument()->commitCommand();
}
Mode = STATUS_NONE;
return true;
case STATUS_SKETCH_StartRubberBand: // a single click happened, so clear selection
Mode = STATUS_NONE;
Gui::Selection().clearSelection();
return true;
case STATUS_SKETCH_UseRubberBand:
doBoxSelection(prvCursorPos, cursorPos, viewer);
rubberband->setWorking(false);
//disable framebuffer drawing in viewer
const_cast<Gui::View3DInventorViewer *>(viewer)->setRenderType(Gui::View3DInventorViewer::Native);
// a redraw is required in order to clear the rubberband
draw(true,false);
const_cast<Gui::View3DInventorViewer*>(viewer)->redraw();
Mode = STATUS_NONE;
return true;
case STATUS_SKETCH_UseHandler: {
return edit->sketchHandler->releaseButton(Base::Vector2d(x,y));
}
case STATUS_NONE:
default:
return false;
}
}
}
// Right mouse button ****************************************************
else if (Button == 2) {
if (!pressed) {
switch (Mode) {
case STATUS_SKETCH_UseHandler:
// make the handler quit
edit->sketchHandler->quit();
return true;
case STATUS_NONE:
{
// A right click shouldn't change the Edit Mode
if (edit->PreselectPoint != -1) {
return true;
} else if (edit->PreselectCurve != -1) {
return true;
} else if (edit->PreselectConstraintSet.empty() != true) {
return true;
} else {
Gui::MenuItem geom;
geom.setCommand("Sketcher geoms");
geom << "Sketcher_CreatePoint"
<< "Sketcher_CreateArc"
<< "Sketcher_Create3PointArc"
<< "Sketcher_CreateCircle"
<< "Sketcher_Create3PointCircle"
<< "Sketcher_CreateLine"
<< "Sketcher_CreatePolyline"
<< "Sketcher_CreateRectangle"
<< "Sketcher_CreateHexagon"
<< "Sketcher_CreateFillet"
<< "Sketcher_Trimming"
<< "Sketcher_Extend"
<< "Sketcher_External"
<< "Sketcher_ToggleConstruction"
/*<< "Sketcher_CreateText"*/
/*<< "Sketcher_CreateDraftLine"*/
<< "Separator";
Gui::Application::Instance->setupContextMenu("View", &geom);
//Create the Context Menu using the Main View Qt Widget
QMenu contextMenu(viewer->getGLWidget());
Gui::MenuManager::getInstance()->setupContextMenu(&geom, contextMenu);