Files
create/src/Mod/Sketcher/Gui/DrawSketchHandlerPolygon.h
2023-09-12 13:02:35 -04:00

212 lines
8.5 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_DrawSketchHandlerPolygon_H
#define SKETCHERGUI_DrawSketchHandlerPolygon_H
#include <Gui/Notifications.h>
#include "GeometryCreationMode.h"
#include "SketcherRegularPolygonDialog.h"
namespace SketcherGui
{
extern GeometryCreationMode geometryCreationMode; // defined in CommandCreateGeo.cpp
class DrawSketchHandlerRegularPolygon: public DrawSketchHandler
{
public:
explicit DrawSketchHandlerRegularPolygon(size_t nof_corners)
: Corners(nof_corners)
, AngleOfSeparation(2.0 * M_PI / static_cast<double>(Corners))
, cos_v(cos(AngleOfSeparation))
, sin_v(sin(AngleOfSeparation))
, Mode(STATUS_SEEK_First)
, EditCurve(Corners + 1)
{}
~DrawSketchHandlerRegularPolygon() override
{}
/// mode table
enum SelectMode
{
STATUS_SEEK_First, /**< enum value ----. */
STATUS_SEEK_Second, /**< enum value ----. */
STATUS_End
};
void mouseMove(Base::Vector2d onSketchPos) override
{
if (Mode == STATUS_SEEK_First) {
setPositionText(onSketchPos);
if (seekAutoConstraint(sugConstr1, onSketchPos, Base::Vector2d(0.f, 0.f))) {
renderSuggestConstraintsCursor(sugConstr1);
return;
}
}
else if (Mode == STATUS_SEEK_Second) {
EditCurve[0] = Base::Vector2d(onSketchPos.x, onSketchPos.y);
EditCurve[Corners] = Base::Vector2d(onSketchPos.x, onSketchPos.y);
Base::Vector2d dV = onSketchPos - StartPos;
double rx = dV.x;
double ry = dV.y;
for (int i = 1; i < static_cast<int>(Corners); i++) {
const double old_rx = rx;
rx = cos_v * rx - sin_v * ry;
ry = cos_v * ry + sin_v * old_rx;
EditCurve[i] = Base::Vector2d(StartPos.x + rx, StartPos.y + ry);
}
// Display radius for user
const float radius = dV.Length();
const float angle = (180.0 / M_PI) * atan2(dV.y, dV.x);
if (showCursorCoords()) {
SbString text;
std::string radiusString = lengthToDisplayFormat(radius, 1);
std::string angleString = angleToDisplayFormat(angle, 1);
text.sprintf(" (R%s, %s)", radiusString.c_str(), angleString.c_str());
setPositionText(onSketchPos, text);
}
drawEdit(EditCurve);
if (seekAutoConstraint(sugConstr2, onSketchPos, Base::Vector2d(0.f, 0.f))) {
renderSuggestConstraintsCursor(sugConstr2);
return;
}
}
applyCursor();
}
bool pressButton(Base::Vector2d onSketchPos) override
{
if (Mode == STATUS_SEEK_First) {
StartPos = onSketchPos;
Mode = STATUS_SEEK_Second;
}
else {
Mode = STATUS_End;
}
return true;
}
bool releaseButton(Base::Vector2d onSketchPos) override
{
Q_UNUSED(onSketchPos);
if (Mode == STATUS_End) {
unsetCursor();
resetPositionText();
Gui::Command::openCommand(QT_TRANSLATE_NOOP("Command", "Add hexagon"));
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(),
Corners,
StartPos.x,
StartPos.y,
EditCurve[0].x,
EditCurve[0].y,
geometryCreationMode == Construction ? "True" : "False");
Gui::Command::commitCommand();
// add auto constraints at the center of the polygon
if (!sugConstr1.empty()) {
createAutoConstraints(sugConstr1,
getHighestCurveIndex(),
Sketcher::PointPos::mid);
sugConstr1.clear();
}
// add auto constraints to the last side of the polygon
if (!sugConstr2.empty()) {
createAutoConstraints(sugConstr2,
getHighestCurveIndex() - 1,
Sketcher::PointPos::end);
sugConstr2.clear();
}
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();
tryAutoRecompute(static_cast<Sketcher::SketchObject*>(sketchgui->getObject()));
}
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath(
"User parameter:BaseApp/Preferences/Mod/Sketcher");
bool continuousMode = hGrp->GetBool("ContinuousCreationMode", true);
if (continuousMode) {
// This code enables the continuous creation mode.
Mode = STATUS_SEEK_First;
EditCurve.clear();
drawEdit(EditCurve);
EditCurve.resize(Corners + 1);
applyCursor();
/* 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 */
}
else {
sketchgui->purgeHandler(); // no code after this line, Handler get deleted in
// ViewProvider
}
}
return true;
}
private:
QString getCrosshairCursorSVGName() const override
{
return QString::fromLatin1("Sketcher_Pointer_Regular_Polygon");
}
protected:
const size_t Corners;
const double AngleOfSeparation;
const double cos_v, sin_v;
SelectMode Mode;
Base::Vector2d StartPos;
std::vector<Base::Vector2d> EditCurve;
std::vector<AutoConstraint> sugConstr1, sugConstr2;
};
} // namespace SketcherGui
#endif // SKETCHERGUI_DrawSketchHandlerPolygon_H