Files
create/src/Mod/Sketcher/Gui/DrawSketchHandlerExternal.h
2022-12-11 23:47:03 +01:00

198 lines
8.6 KiB
C++

/***************************************************************************
* Copyright (c) 2022 Abdullah Tahiri <abdullah.tahiri.yo@gmail.com> *
* *
* 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 *
* *
***************************************************************************/
#ifndef SKETCHERGUI_DrawSketchHandlerExternal_H
#define SKETCHERGUI_DrawSketchHandlerExternal_H
#include "GeometryCreationMode.h"
namespace SketcherGui {
extern GeometryCreationMode geometryCreationMode; // defined in CommandCreateGeo.cpp
class ExternalSelection : public Gui::SelectionFilterGate
{
App::DocumentObject* object;
public:
explicit ExternalSelection(App::DocumentObject* obj)
: Gui::SelectionFilterGate(nullPointer()), object(obj)
{}
bool allow(App::Document *pDoc, App::DocumentObject *pObj, const char *sSubName)
{
Sketcher::SketchObject *sketch = static_cast<Sketcher::SketchObject*>(object);
this->notAllowedReason = "";
Sketcher::SketchObject::eReasonList msg;
if (!sketch->isExternalAllowed(pDoc, pObj, &msg)){
switch(msg){
case Sketcher::SketchObject::rlCircularReference:
this->notAllowedReason = QT_TR_NOOP("Linking this will cause circular dependency.");
break;
case Sketcher::SketchObject::rlOtherDoc:
this->notAllowedReason = QT_TR_NOOP("This object is in another document.");
break;
case Sketcher::SketchObject::rlOtherBody:
this->notAllowedReason = QT_TR_NOOP("This object belongs to another body, can't link.");
break;
case Sketcher::SketchObject::rlOtherPart:
this->notAllowedReason = QT_TR_NOOP("This object belongs to another part, can't link.");
break;
default:
break;
}
return false;
}
// Note: its better to search the support of the sketch in case the sketch support is a base plane
//Part::BodyBase* body = Part::BodyBase::findBodyOf(sketch);
//if ( body && body->hasFeature ( pObj ) && body->isAfter ( pObj, sketch ) ) {
// Don't allow selection after the sketch in the same body
// NOTE: allowness of features in other bodies is handled by SketchObject::isExternalAllowed()
// TODO may be this should be in SketchObject::isExternalAllowed() (2015-08-07, Fat-Zer)
//return false;
//}
if (!sSubName || sSubName[0] == '\0')
return false;
std::string element(sSubName);
if ((element.size() > 4 && element.substr(0,4) == "Edge") ||
(element.size() > 6 && element.substr(0,6) == "Vertex") ||
(element.size() > 4 && element.substr(0,4) == "Face")) {
return true;
}
if (pObj->getTypeId().isDerivedFrom(App::Plane::getClassTypeId()) ||
pObj->getTypeId().isDerivedFrom(Part::Datum::getClassTypeId()))
return true;
return false;
}
};
class DrawSketchHandlerExternal: public DrawSketchHandler
{
public:
DrawSketchHandlerExternal() = default;
virtual ~DrawSketchHandlerExternal()
{
Gui::Selection().rmvSelectionGate();
}
void mouseMove(Base::Vector2d onSketchPos) override
{
Q_UNUSED(onSketchPos);
if (Gui::Selection().getPreselection().pObjectName)
applyCursor();
}
bool pressButton(Base::Vector2d onSketchPos) override
{
Q_UNUSED(onSketchPos);
return true;
}
bool releaseButton(Base::Vector2d onSketchPos) override
{
Q_UNUSED(onSketchPos);
/* this is ok not to call to purgeHandler
* in continuous creation mode because the
* handler is destroyed by the quit() method on pressing the
* right button of the mouse */
return true;
}
bool onSelectionChanged(const Gui::SelectionChanges& msg) override
{
if (msg.Type == Gui::SelectionChanges::AddSelection) {
App::DocumentObject* obj = sketchgui->getObject()->getDocument()->getObject(msg.pObjectName);
if (!obj)
throw Base::ValueError("Sketcher: External geometry: Invalid object in selection");
std::string subName(msg.pSubName);
if (obj->getTypeId().isDerivedFrom(App::Plane::getClassTypeId()) ||
obj->getTypeId().isDerivedFrom(Part::Datum::getClassTypeId()) ||
(subName.size() > 4 && subName.substr(0,4) == "Edge") ||
(subName.size() > 6 && subName.substr(0,6) == "Vertex") ||
(subName.size() > 4 && subName.substr(0,4) == "Face")) {
try {
Gui::Command::openCommand(QT_TRANSLATE_NOOP("Command", "Add external geometry"));
Gui::cmdAppObjectArgs(sketchgui->getObject(), "addExternal(\"%s\",\"%s\")",
msg.pObjectName, msg.pSubName);
Gui::Command::commitCommand();
// adding external geometry does not require a solve() per se (the DoF is the same),
// however a solve is required to update the amount of solver geometry, because we only
// redraw a changed Sketch if the solver geometry amount is the same as the SkethObject
// geometry amount (as this avoids other issues).
// This solver is a very low cost one anyway (there is actually nothing to solve).
tryAutoRecomputeIfNotSolve(static_cast<Sketcher::SketchObject *>(sketchgui->getObject()));
Gui::Selection().clearSelection();
/* this is ok not to call to purgeHandler
* in continuous creation mode because the
* handler is destroyed by the quit() method on pressing the
* right button of the mouse */
}
catch (const Base::Exception& e) {
Base::Console().Error("Failed to add external geometry: %s\n", e.what());
Gui::Selection().clearSelection();
Gui::Command::abortCommand();
}
return true;
}
}
return false;
}
private:
void activated() override
{
setAxisPickStyle(false);
Gui::MDIView *mdi = Gui::Application::Instance->activeDocument()->getActiveView();
Gui::View3DInventorViewer *viewer;
viewer = static_cast<Gui::View3DInventor *>(mdi)->getViewer();
SoNode* root = viewer->getSceneGraph();
static_cast<Gui::SoFCUnifiedSelection*>(root)->selectionRole.setValue(true);
Gui::Selection().clearSelection();
Gui::Selection().rmvSelectionGate();
Gui::Selection().addSelectionGate(new ExternalSelection(sketchgui->getObject()));
}
QString getCrosshairCursorSVGName() const override {
return QString::fromLatin1("Sketcher_Pointer_External");
}
void deactivated() override
{
Q_UNUSED(sketchgui);
setAxisPickStyle(true);
}
};
} // namespace SketcherGui
#endif // SKETCHERGUI_DrawSketchHandlerExternal_H