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create/src/Mod/Sketcher/Gui/DrawSketchHandlerPolygon.h

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/***************************************************************************
* 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_DrawSketchHandlerPolygon_H
#define SKETCHERGUI_DrawSketchHandlerPolygon_H
#include <QApplication>
#include <Gui/BitmapFactory.h>
#include <Gui/Notifications.h>
#include <Gui/Command.h>
#include <Gui/CommandT.h>
#include <Mod/Sketcher/App/SketchObject.h>
#include "GeometryCreationMode.h"
#include "Utils.h"
#include "DrawSketchDefaultWidgetController.h"
#include "DrawSketchControllableHandler.h"
#include "SketcherRegularPolygonDialog.h"
namespace SketcherGui
{
extern GeometryCreationMode geometryCreationMode; // defined in CommandCreateGeo.cpp
class DrawSketchHandlerPolygon;
using DSHPolygonController =
DrawSketchDefaultWidgetController<DrawSketchHandlerPolygon,
StateMachines::TwoSeekEnd,
/*PAutoConstraintSize =*/2,
/*OnViewParametersT =*/OnViewParameters<4>,
/*WidgetParametersT =*/WidgetParameters<1>,
/*WidgetCheckboxesT =*/WidgetCheckboxes<0>,
/*WidgetComboboxesT =*/WidgetComboboxes<0>>;
using DSHPolygonControllerBase = DSHPolygonController::ControllerBase;
using DrawSketchHandlerPolygonBase = DrawSketchControllableHandler<DSHPolygonController>;
class DrawSketchHandlerPolygon: public DrawSketchHandlerPolygonBase
{
friend DSHPolygonController;
friend DSHPolygonControllerBase;
public:
explicit DrawSketchHandlerPolygon(int corners = 6) // NOLINT
: numberOfCorners(corners)
, radius(0.0)
{}
~DrawSketchHandlerPolygon() override = default;
private:
void updateDataAndDrawToPosition(Base::Vector2d onSketchPos) override
{
switch (state()) {
case SelectMode::SeekFirst: {
toolWidgetManager.drawPositionAtCursor(onSketchPos);
centerPoint = onSketchPos;
if (seekAutoConstraint(sugConstraints[0], onSketchPos, Base::Vector2d(0.f, 0.f))) {
renderSuggestConstraintsCursor(sugConstraints[0]);
return;
}
} break;
case SelectMode::SeekSecond: {
toolWidgetManager.drawDirectionAtCursor(onSketchPos, centerPoint);
firstCorner = onSketchPos;
CreateAndDrawShapeGeometry();
if (seekAutoConstraint(sugConstraints[1], onSketchPos, Base::Vector2d(0.f, 0.f))) {
renderSuggestConstraintsCursor(sugConstraints[1]);
return;
}
} break;
default:
break;
}
}
void executeCommands() override
{
unsetCursor();
resetPositionText();
Gui::Command::openCommand(QT_TRANSLATE_NOOP("Command", "Add polygon"));
try {
Gui::Command::doCommand(Gui::Command::Doc,
"import ProfileLib.RegularPolygon\n"
"ProfileLib.RegularPolygon.makeRegularPolygon(%s,%i,App.Vector("
"%f,%f,0),App.Vector(%f,%f,0),%s)",
Gui::Command::getObjectCmd(sketchgui->getObject()).c_str(),
numberOfCorners,
centerPoint.x,
centerPoint.y,
firstCorner.x,
firstCorner.y,
constructionModeAsBooleanText());
Gui::Command::commitCommand();
tryAutoRecomputeIfNotSolve(
static_cast<Sketcher::SketchObject*>(sketchgui->getObject()));
}
catch (const Base::Exception&) {
Gui::NotifyError(sketchgui,
QT_TRANSLATE_NOOP("Notifications", "Error"),
QT_TRANSLATE_NOOP("Notifications", "Failed to add polygon"));
Gui::Command::abortCommand();
THROWM(Base::RuntimeError,
QT_TRANSLATE_NOOP(
"Notifications",
"Tool execution aborted") "\n") // This prevents constraints from being
// applied on non existing geometry
}
}
void generateAutoConstraints() override
{
// add auto constraints at the center of the polygon
int circlegeoid = getHighestCurveIndex();
int lastsidegeoid = getHighestCurveIndex() - 1;
if (sugConstraints[0].size() > 0) {
generateAutoConstraintsOnElement(sugConstraints[0],
circlegeoid,
Sketcher::PointPos::mid);
}
// add auto constraints to the last side of the polygon
if (sugConstraints[1].size() > 0) {
generateAutoConstraintsOnElement(sugConstraints[1],
lastsidegeoid,
Sketcher::PointPos::end);
}
// Ensure temporary autoconstraints do not generate a redundancy and that the geometry
// parameters are accurate This is particularly important for adding widget mandated
// constraints.
removeRedundantAutoConstraints();
}
void createAutoConstraints() override
{
createGeneratedAutoConstraints(true);
sugConstraints[0].clear();
sugConstraints[1].clear();
}
std::string getToolName() const override
{
return "DSH_Polygon";
}
QString getCrosshairCursorSVGName() const override
{
return QString::fromLatin1("Sketcher_Pointer_Regular_Polygon");
}
std::unique_ptr<QWidget> createWidget() const override
{
return std::make_unique<SketcherToolDefaultWidget>();
}
bool isWidgetVisible() const override
{
return true;
};
QPixmap getToolIcon() const override
{
return Gui::BitmapFactory().pixmap("Sketcher_CreateRegularPolygon");
}
QString getToolWidgetText() const override
{
return QString(QObject::tr("Polygon parameters"));
}
bool canGoToNextMode() override
{
if (state() == SelectMode::SeekSecond && radius < Precision::Confusion()) {
// Prevent validation of null shape.
return false;
}
return true;
}
void angleSnappingControl() override
{
if (state() == SelectMode::SeekSecond) {
setAngleSnapping(true, centerPoint);
}
else {
setAngleSnapping(false);
}
}
private:
unsigned int numberOfCorners;
Base::Vector2d centerPoint, firstCorner;
double radius;
void createShape(bool onlyeditoutline) override
{
Q_UNUSED(onlyeditoutline)
ShapeGeometry.clear();
Base::Vector2d prevCorner = firstCorner;
Base::Vector2d dV = firstCorner - centerPoint;
radius = dV.Length();
if (radius < Precision::Confusion()) {
return;
}
double angleOfSeparation = 2.0 * M_PI / static_cast<double>(numberOfCorners); // NOLINT
double cos_v = cos(angleOfSeparation);
double sin_v = sin(angleOfSeparation);
double rx = dV.x;
double ry = dV.y;
for (int i = 1; i <= static_cast<int>(numberOfCorners); i++) {
const double old_rx = rx;
rx = cos_v * rx - sin_v * ry;
ry = cos_v * ry + sin_v * old_rx;
Base::Vector2d newCorner = Base::Vector2d(centerPoint.x + rx, centerPoint.y + ry);
addLineToShapeGeometry(toVector3d(prevCorner),
toVector3d(newCorner),
isConstructionMode());
prevCorner = newCorner;
}
}
};
template<>
auto DSHPolygonControllerBase::getState(int labelindex) const
{
switch (labelindex) {
case OnViewParameter::First:
case OnViewParameter::Second:
return SelectMode::SeekFirst;
break;
case OnViewParameter::Third:
case OnViewParameter::Fourth:
return SelectMode::SeekSecond;
break;
default:
THROWM(Base::ValueError, "OnViewParameter index without an associated machine state")
}
}
template<>
void DSHPolygonController::firstKeyShortcut()
{
auto value = toolWidget->getParameter(WParameter::First);
toolWidget->setParameterWithoutPassingFocus(OnViewParameter::First, value + 1);
}
template<>
void DSHPolygonController::secondKeyShortcut()
{
auto value = toolWidget->getParameter(WParameter::First);
if (value > 3.0) { // NOLINT
toolWidget->setParameterWithoutPassingFocus(OnViewParameter::First, value - 1);
}
}
template<>
void DSHPolygonController::configureToolWidget()
{
toolWidget->setParameterLabel(
OnViewParameter::First,
QApplication::translate("ToolWidgetManager_p4", "Sides (+'U'/ -'J')"));
toolWidget->setParameter(OnViewParameter::First,
handler->numberOfCorners); // unconditionally set
toolWidget->configureParameterUnit(OnViewParameter::First, Base::Unit());
toolWidget->configureParameterMin(OnViewParameter::First, 3.0); // NOLINT
// We set a reasonable max to avoid the spinbox from being very large
toolWidget->configureParameterMax(OnViewParameter::First, 9999.0); // NOLINT
toolWidget->configureParameterDecimals(OnViewParameter::First, 0);
onViewParameters[OnViewParameter::First]->setLabelType(Gui::SoDatumLabel::DISTANCEX);
onViewParameters[OnViewParameter::Second]->setLabelType(Gui::SoDatumLabel::DISTANCEY);
onViewParameters[OnViewParameter::Third]->setLabelType(
Gui::SoDatumLabel::DISTANCE,
Gui::EditableDatumLabel::Function::Dimensioning);
onViewParameters[OnViewParameter::Fourth]->setLabelType(
Gui::SoDatumLabel::ANGLE,
Gui::EditableDatumLabel::Function::Dimensioning);
}
template<>
void DSHPolygonController::adaptDrawingToParameterChange(int parameterindex, double value)
{
switch (parameterindex) {
case WParameter::First:
handler->numberOfCorners = std::max(3, static_cast<int>(value));
break;
}
}
template<>
void DSHPolygonControllerBase::doEnforceControlParameters(Base::Vector2d& onSketchPos)
{
switch (handler->state()) {
case SelectMode::SeekFirst: {
if (onViewParameters[OnViewParameter::First]->isSet) {
onSketchPos.x = onViewParameters[OnViewParameter::First]->getValue();
}
if (onViewParameters[OnViewParameter::Second]->isSet) {
onSketchPos.y = onViewParameters[OnViewParameter::Second]->getValue();
}
} break;
case SelectMode::SeekSecond: {
Base::Vector2d dir = onSketchPos - handler->centerPoint;
if (dir.Length() < Precision::Confusion()) {
dir.x = 1.0; // if direction null, default to (1,0)
}
double length = dir.Length();
if (onViewParameters[OnViewParameter::Third]->isSet) {
length = onViewParameters[OnViewParameter::Third]->getValue();
if (length < Precision::Confusion()) {
unsetOnViewParameter(onViewParameters[OnViewParameter::Third].get());
return;
}
onSketchPos = handler->centerPoint + length * dir.Normalize();
}
if (onViewParameters[OnViewParameter::Fourth]->isSet) {
double angle =
Base::toRadians(onViewParameters[OnViewParameter::Fourth]->getValue());
onSketchPos.x = handler->centerPoint.x + cos(angle) * length;
onSketchPos.y = handler->centerPoint.y + sin(angle) * length;
}
} break;
default:
break;
}
}
template<>
void DSHPolygonController::adaptParameters(Base::Vector2d onSketchPos)
{
switch (handler->state()) {
case SelectMode::SeekFirst: {
if (!onViewParameters[OnViewParameter::First]->isSet) {
setOnViewParameterValue(OnViewParameter::First, onSketchPos.x);
}
if (!onViewParameters[OnViewParameter::Second]->isSet) {
setOnViewParameterValue(OnViewParameter::Second, onSketchPos.y);
}
bool sameSign = onSketchPos.x * onSketchPos.y > 0.;
onViewParameters[OnViewParameter::First]->setLabelAutoDistanceReverse(!sameSign);
onViewParameters[OnViewParameter::Second]->setLabelAutoDistanceReverse(sameSign);
onViewParameters[OnViewParameter::First]->setPoints(Base::Vector3d(),
toVector3d(onSketchPos));
onViewParameters[OnViewParameter::Second]->setPoints(Base::Vector3d(),
toVector3d(onSketchPos));
} break;
case SelectMode::SeekSecond: {
Base::Vector3d start = toVector3d(handler->centerPoint);
Base::Vector3d end = toVector3d(handler->firstCorner);
Base::Vector3d vec = end - start;
if (!onViewParameters[OnViewParameter::Third]->isSet) {
setOnViewParameterValue(OnViewParameter::Third, vec.Length());
}
double range = (handler->firstCorner - handler->centerPoint).Angle();
if (!onViewParameters[OnViewParameter::Fourth]->isSet) {
setOnViewParameterValue(OnViewParameter::Fourth,
Base::toDegrees(range),
Base::Unit::Angle);
}
onViewParameters[OnViewParameter::Third]->setPoints(start, end);
onViewParameters[OnViewParameter::Fourth]->setPoints(start, Base::Vector3d());
onViewParameters[OnViewParameter::Fourth]->setLabelRange(range);
} break;
default:
break;
}
}
template<>
void DSHPolygonController::doChangeDrawSketchHandlerMode()
{
switch (handler->state()) {
case SelectMode::SeekFirst: {
if (onViewParameters[OnViewParameter::First]->isSet
&& onViewParameters[OnViewParameter::Second]->isSet) {
handler->setState(SelectMode::SeekSecond);
}
} break;
case SelectMode::SeekSecond: {
if (onViewParameters[OnViewParameter::Third]->isSet
&& onViewParameters[OnViewParameter::Fourth]->isSet) {
handler->setState(SelectMode::End);
}
} break;
default:
break;
}
}
template<>
void DSHPolygonController::addConstraints()
{
int lastCurve = handler->getHighestCurveIndex();
auto x0 = onViewParameters[OnViewParameter::First]->getValue();
auto y0 = onViewParameters[OnViewParameter::Second]->getValue();
auto radius = onViewParameters[OnViewParameter::Third]->getValue();
auto x0set = onViewParameters[OnViewParameter::First]->isSet;
auto y0set = onViewParameters[OnViewParameter::Second]->isSet;
auto radiusSet = onViewParameters[OnViewParameter::Third]->isSet;
using namespace Sketcher;
auto constraintx0 = [&]() {
ConstraintToAttachment(GeoElementId(lastCurve, PointPos::mid),
GeoElementId::VAxis,
x0,
handler->sketchgui->getObject());
};
auto constrainty0 = [&]() {
ConstraintToAttachment(GeoElementId(lastCurve, PointPos::mid),
GeoElementId::HAxis,
y0,
handler->sketchgui->getObject());
};
auto constraintradius = [&]() {
Gui::cmdAppObjectArgs(handler->sketchgui->getObject(),
"addConstraint(Sketcher.Constraint('Radius',%d,%f)) ",
lastCurve,
radius);
};
// NOTE: if AutoConstraints is empty, we can add constraints directly without any diagnose. No
// diagnose was run.
if (handler->AutoConstraints.empty()) {
if (x0set) {
constraintx0();
}
if (y0set) {
constrainty0();
}
if (radiusSet) {
constraintradius();
}
}
else { // There is a valid diagnose.
auto startpointinfo = handler->getPointInfo(GeoElementId(lastCurve, PointPos::mid));
// if Autoconstraints is empty we do not have a diagnosed system and the parameter will
// always be set
if (x0set && startpointinfo.isXDoF()) {
constraintx0();
handler->diagnoseWithAutoConstraints(); // ensure we have recalculated parameters after
// each constraint addition
startpointinfo = handler->getPointInfo(
GeoElementId(lastCurve, PointPos::mid)); // get updated point position
}
// if Autoconstraints is empty we do not have a diagnosed system and the parameter will
// always be set
if (y0set && startpointinfo.isYDoF()) {
constrainty0();
handler->diagnoseWithAutoConstraints(); // ensure we have recalculated parameters after
// each constraint addition
}
auto edgeinfo = handler->getEdgeInfo(lastCurve);
auto circle = static_cast<SolverGeometryExtension::Circle&>(edgeinfo);
// if Autoconstraints is empty we do not have a diagnosed system and the parameter will
// always be set
if (radiusSet && circle.isRadiusDoF()) {
constraintradius();
}
}
}
} // namespace SketcherGui
#endif // SKETCHERGUI_DrawSketchHandlerPolygon_H