154 lines
4.2 KiB
C++
154 lines
4.2 KiB
C++
/****************************************************************************
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**
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** This file is part of the LibreCAD project, a 2D CAD program
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**
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** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
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** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file gpl-2.0.txt included in the
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** packaging of this file.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**
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** This copyright notice MUST APPEAR in all copies of the script!
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**
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**********************************************************************/
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#include <QAction>
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#include <QMouseEvent>
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#include "rs_actiondrawlinefree.h"
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#include "rs_polyline.h"
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#include "rs_dialogfactory.h"
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#include "rs_graphicview.h"
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#include "rs_preview.h"
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#include "rs_debug.h"
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RS_ActionDrawLineFree::RS_ActionDrawLineFree(RS_EntityContainer& container,
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RS_GraphicView& graphicView)
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:RS_PreviewActionInterface("Draw freehand lines",
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container, graphicView)
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,vertex(new RS_Vector{})
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{
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preview->setOwner(false);
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actionType=RS2::ActionDrawLineFree;
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}
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RS_ActionDrawLineFree::~RS_ActionDrawLineFree() = default;
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void RS_ActionDrawLineFree::trigger() {
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deleteSnapper();
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if (polyline.get()) {
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deletePreview();
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polyline->endPolyline();
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RS_VectorSolutions sol=polyline->getRefPoints();
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if(sol.getNumber() > 2 ) {
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RS_Entity* ent=polyline->clone();
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container->addEntity(ent);
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if (document) {
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document->startUndoCycle();
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document->addUndoable(ent);
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document->endUndoCycle();
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}
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graphicView->redraw(RS2::RedrawDrawing);
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RS_DEBUG->print("RS_ActionDrawLineFree::trigger():"
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" polyline added: %d", ent->getId());
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}
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polyline.reset();
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}
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setStatus(SetStartpoint);
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}
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/*
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* 11 Aug 2011, Dongxu Li
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*/
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void RS_ActionDrawLineFree::mouseMoveEvent(QMouseEvent* e) {
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RS_Vector v = snapPoint(e);
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drawSnapper();
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if (getStatus()==Dragging && polyline.get()) {
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if( (graphicView->toGui(v) - graphicView->toGui(*vertex)).squared()< 1. ){
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//do not add the same mouse position
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return;
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}
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auto ent = static_cast<RS_Polyline*>(polyline->addVertex(v));
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if (ent->count()){
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preview->addCloneOf(ent);
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drawPreview();
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}
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*vertex = v;
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RS_DEBUG->print("RS_ActionDrawLineFree::%s:"
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" line added: %d", __func__, ent->getId());
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}
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}
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void RS_ActionDrawLineFree::mousePressEvent(QMouseEvent* e) {
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if (e->button()==Qt::LeftButton) {
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switch(getStatus()){
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case SetStartpoint:
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setStatus(Dragging);
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// fall-through
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case Dragging:
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*vertex = snapPoint(e);
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polyline.reset(new RS_Polyline(container,
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RS_PolylineData(*vertex, *vertex, 0))
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);
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polyline->setLayerToActive();
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polyline->setPenToActive();
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break;
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default:
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break;
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}
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}
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//else if (RS2::qtToRsButtonState(e->button())==RS2::RightButton && !vertex.valid) {
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//}
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}
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void RS_ActionDrawLineFree::mouseReleaseEvent(QMouseEvent* e) {
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if (e->button()==Qt::LeftButton) {
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if(getStatus()==Dragging){
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*vertex = {};
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trigger();
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}
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} else if (e->button()==Qt::RightButton) {
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if (polyline.get()) {
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polyline.reset();
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}
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init(getStatus()-1);
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}
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}
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void RS_ActionDrawLineFree::updateMouseButtonHints() {
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switch (getStatus()) {
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case SetStartpoint:
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case Dragging:
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RS_DIALOGFACTORY->updateMouseWidget(
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tr("Click and drag to draw a line"), tr("Cancel"));
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break;
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default:
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RS_DIALOGFACTORY->updateMouseWidget();
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break;
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}
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}
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void RS_ActionDrawLineFree::updateMouseCursor() {
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graphicView->setMouseCursor(RS2::CadCursor);
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}
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// EOF
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