/**************************************************************************** ** ** This file is part of the LibreCAD project, a 2D CAD program ** ** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl) ** Copyright (C) 2001-2003 RibbonSoft. All rights reserved. ** ** ** This file may be distributed and/or modified under the terms of the ** GNU General Public License version 2 as published by the Free Software ** Foundation and appearing in the file gpl-2.0.txt included in the ** packaging of this file. ** ** This program 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 General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program; if not, write to the Free Software ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ** ** This copyright notice MUST APPEAR in all copies of the script! ** **********************************************************************/ #include #include #include #include "rs_actiondrawarc.h" #include "rs_dialogfactory.h" #include "rs_graphicview.h" #include "rs_commands.h" #include "rs_commandevent.h" #include "rs_arc.h" #include "rs_circle.h" #include "rs_coordinateevent.h" #include "rs_math.h" #include "rs_preview.h" #include "rs_debug.h" RS_ActionDrawArc::RS_ActionDrawArc(RS_EntityContainer& container, RS_GraphicView& graphicView) :RS_PreviewActionInterface("Draw arcs", container, graphicView) ,data(new RS_ArcData()) { actionType= RS2::ActionDrawArc; reset(); } RS_ActionDrawArc::~RS_ActionDrawArc() = default; void RS_ActionDrawArc::reset() { if (data->reversed) { data.reset(new RS_ArcData(RS_Vector(false), 0.0, 2.*M_PI, 0.0, true)); } else { data.reset(new RS_ArcData(RS_Vector(false), 0.0, 0.0, 2.*M_PI, false)); } } void RS_ActionDrawArc::init(int status) { RS_PreviewActionInterface::init(status); reset(); } void RS_ActionDrawArc::trigger() { RS_PreviewActionInterface::trigger(); RS_Arc* arc = new RS_Arc(container, *data); arc->setLayerToActive(); arc->setPenToActive(); container->addEntity(arc); // upd. undo list: if (document) { document->startUndoCycle(); document->addUndoable(arc); document->endUndoCycle(); } graphicView->redraw(RS2::RedrawDrawing); graphicView->moveRelativeZero(arc->getCenter()); setStatus(SetCenter); reset(); RS_DEBUG->print("RS_ActionDrawArc::trigger(): arc added: %d", arc->getId()); } void RS_ActionDrawArc::mouseMoveEvent(QMouseEvent* e) { RS_DEBUG->print("RS_ActionDrawArc::mouseMoveEvent begin"); RS_Vector mouse = snapPoint(e); switch (getStatus()) { case SetCenter: data->center = mouse; break; case SetRadius: if (data->center.valid) { data->radius = data->center.distanceTo(mouse); deletePreview(); preview->addEntity(new RS_Circle(preview.get(), {data->center, data->radius})); drawPreview(); } break; case SetAngle1: data->angle1 = data->center.angleTo(mouse); if (data->reversed) { data->angle2 = RS_Math::correctAngle(data->angle1-M_PI/3); } else { data->angle2 = RS_Math::correctAngle(data->angle1+M_PI/3); } deletePreview(); preview->addEntity(new RS_Arc(preview.get(), *data)); drawPreview(); break; case SetAngle2: data->angle2 = data->center.angleTo(mouse); deletePreview(); preview->addEntity(new RS_Arc(preview.get(), *data)); drawPreview(); break; case SetIncAngle: data->angle2 = data->angle1 + data->center.angleTo(mouse); deletePreview(); preview->addEntity(new RS_Arc(preview.get(), *data)); drawPreview(); break; case SetChordLength: { double x = data->center.distanceTo(mouse); if (fabs(x/(2*data->radius))<=1.0) { data->angle2 = data->angle1 + asin(x/(2*data->radius)) * 2; deletePreview(); preview->addEntity(new RS_Arc(preview.get(), *data)); drawPreview(); } } break; default: break; } RS_DEBUG->print("RS_ActionDrawArc::mouseMoveEvent end"); } void RS_ActionDrawArc::mouseReleaseEvent(QMouseEvent* e) { if (e->button()==Qt::LeftButton) { RS_CoordinateEvent ce(snapPoint(e)); coordinateEvent(&ce); } else if (e->button()==Qt::RightButton) { deletePreview(); init(getStatus()-1); } } void RS_ActionDrawArc::coordinateEvent(RS_CoordinateEvent* e) { if (!e) return; RS_Vector mouse = e->getCoordinate(); switch (getStatus()) { case SetCenter: data->center = mouse; graphicView->moveRelativeZero(mouse); setStatus(SetRadius); break; case SetRadius: if (data->center.valid) { data->radius = data->center.distanceTo(mouse); } setStatus(SetAngle1); break; case SetAngle1: data->angle1 = data->center.angleTo(mouse); setStatus(SetAngle2); break; case SetAngle2: data->angle2 = data->center.angleTo(mouse); trigger(); break; case SetIncAngle: data->angle2 = data->angle1 + data->center.angleTo(mouse); trigger(); break; case SetChordLength: { double x = data->center.distanceTo(mouse); if (fabs(x/(2*data->radius))<=1.0) { data->angle2 = data->angle1 + asin(x/(2*data->radius)) * 2; trigger(); } } break; default: break; } } void RS_ActionDrawArc::commandEvent(RS_CommandEvent* e) { QString c = e->getCommand().toLower(); if (RS_COMMANDS->checkCommand("help", c)) { RS_DIALOGFACTORY->commandMessage(msgAvailableCommands() + getAvailableCommands().join(", ")); return; } if (RS_COMMANDS->checkCommand("reversed", c)) { e->accept(); setReversed(!isReversed()); RS_DIALOGFACTORY->requestOptions(this, true, true); return; } switch (getStatus()) { case SetRadius: { bool ok; double r = RS_Math::eval(c, &ok); if (ok) { data->radius = r; setStatus(SetAngle1); e->accept(); } else RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression")); } break; case SetAngle1: { bool ok; double a = RS_Math::eval(c, &ok); if (ok) { data->angle1 = RS_Math::deg2rad(a); e->accept(); setStatus(SetAngle2); } else RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression")); } break; case SetAngle2: { if (RS_COMMANDS->checkCommand("angle", c)) { setStatus(SetIncAngle); } else if (RS_COMMANDS->checkCommand("chord length", c)) { setStatus(SetChordLength); } else { bool ok; double a = RS_Math::eval(c, &ok); if (ok) { data->angle2 = RS_Math::deg2rad(a); e->accept(); trigger(); } else RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression")); } } break; case SetIncAngle: { bool ok; double a = RS_Math::eval(c, &ok); if (ok) { data->angle2 = data->angle1 + RS_Math::deg2rad(a); e->accept(); trigger(); } else RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression")); } break; case SetChordLength: { bool ok; double l = RS_Math::eval(c, &ok); if (ok) { if (fabs(l/(2*data->radius))<=1.0) { data->angle2 = data->angle1 + asin(l/(2*data->radius)) * 2; trigger(); } else RS_DIALOGFACTORY->commandMessage(tr("Not a valid chord length")); e->accept(); } else RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression")); } break; default: break; } } QStringList RS_ActionDrawArc::getAvailableCommands() { QStringList cmd; cmd += RS_COMMANDS->command("reversed"); return cmd; } void RS_ActionDrawArc::updateMouseButtonHints() { switch (getStatus()) { case SetCenter: RS_DIALOGFACTORY->updateMouseWidget(tr("Specify center"), tr("Cancel")); break; case SetRadius: RS_DIALOGFACTORY->updateMouseWidget(tr("Specify radius"), tr("Back")); break; case SetAngle1: RS_DIALOGFACTORY->updateMouseWidget( tr("Specify start angle:"), tr("Back")); break; case SetAngle2: RS_DIALOGFACTORY->updateMouseWidget( tr("Specify end angle or [angle/chord length]"), tr("Back")); break; case SetIncAngle: RS_DIALOGFACTORY->updateMouseWidget(tr("Specify included angle:"), tr("Back")); break; case SetChordLength: RS_DIALOGFACTORY->updateMouseWidget(tr("Specify chord length:"), tr("Back")); break; default: RS_DIALOGFACTORY->updateMouseWidget(); break; } } void RS_ActionDrawArc::showOptions() { RS_ActionInterface::showOptions(); RS_DIALOGFACTORY->requestOptions(this, true); } void RS_ActionDrawArc::hideOptions() { RS_ActionInterface::hideOptions(); RS_DIALOGFACTORY->requestOptions(this, false); } void RS_ActionDrawArc::updateMouseCursor() { graphicView->setMouseCursor(RS2::CadCursor); } bool RS_ActionDrawArc::isReversed() const{ return data->reversed; } void RS_ActionDrawArc::setReversed(bool r) const{ data->reversed = r; } // EOF