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Chenwenxuan
298
actions/rs_actiondrawlineparallelthrough.cpp
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298
actions/rs_actiondrawlineparallelthrough.cpp
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/****************************************************************************
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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_actiondrawlineparallelthrough.h"
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#include "rs_dialogfactory.h"
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#include "rs_graphicview.h"
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#include "rs_creation.h"
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#include "rs_commandevent.h"
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#include "rs_coordinateevent.h"
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#include "rs_preview.h"
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#include "rs_debug.h"
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RS_ActionDrawLineParallelThrough::RS_ActionDrawLineParallelThrough(
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RS_EntityContainer& container,
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RS_GraphicView& graphicView)
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:RS_PreviewActionInterface("Draw Parallels", container, graphicView)
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,coord(new RS_Vector{})
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,lastStatus(SetEntity)
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{
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actionType=RS2::ActionDrawLineParallelThrough;
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m_SnapDistance=1.;
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}
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RS_ActionDrawLineParallelThrough::~RS_ActionDrawLineParallelThrough() = default;
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void RS_ActionDrawLineParallelThrough::finish(bool updateTB){
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if(entity){
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entity->setHighlighted(false);
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graphicView->drawEntity(entity);
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entity=nullptr;
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}
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RS_PreviewActionInterface::finish(updateTB);
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}
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void RS_ActionDrawLineParallelThrough::trigger() {
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RS_PreviewActionInterface::trigger();
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if (entity) {
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RS_Creation creation(container, graphicView);
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RS_Entity* e = creation.createParallelThrough(*coord,
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number,
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entity);
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if (!e) {
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RS_DEBUG->print("RS_ActionDrawLineParallelThrough::trigger:"
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" No parallels added\n");
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}
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}
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}
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void RS_ActionDrawLineParallelThrough::mouseMoveEvent(QMouseEvent* e) {
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RS_DEBUG->print("RS_ActionDrawLineParallelThrough::mouseMoveEvent begin");
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switch (getStatus()) {
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case SetEntity: {
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entity = catchEntity(e, RS2::ResolveAll);
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/*deletePreview();
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RS_Creation creation(preview, nullptr, false);
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creation.createParallelThrough(*coord,
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number,
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entity);
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drawPreview();*/
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}
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break;
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case SetPos: {
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*coord = snapPoint(e);
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//RS_Vector(graphicView->toGraphX(e->x()),
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// graphicView->toGraphY(e->y()));
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deletePreview();
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RS_Creation creation(preview.get(), nullptr, false);
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creation.createParallelThrough(*coord,
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number,
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entity);
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drawPreview();
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}
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break;
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default:
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break;
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}
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RS_DEBUG->print("RS_ActionDrawLineParallelThrough::mouseMoveEvent end");
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}
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void RS_ActionDrawLineParallelThrough::mouseReleaseEvent(QMouseEvent* e) {
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if (e->button()==Qt::LeftButton) {
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switch (getStatus()) {
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case SetEntity:
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entity = catchEntity(e, RS2::ResolveAll);
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if (entity) {
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entity->setHighlighted(true);
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graphicView->drawEntity(entity);
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setStatus(SetPos);
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}
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break;
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case SetPos: {
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RS_CoordinateEvent ce(snapPoint(e));
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coordinateEvent(&ce);
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}
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break;
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default:
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break;
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}
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} else if (e->button()==Qt::RightButton) {
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deletePreview();
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if (entity) {
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entity->setHighlighted(false);
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graphicView->drawEntity(entity);
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entity=nullptr;
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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_ActionDrawLineParallelThrough::coordinateEvent(RS_CoordinateEvent* e) {
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if (!e) {
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return;
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}
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RS_Vector mouse = e->getCoordinate();
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switch (getStatus()) {
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case SetPos:
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*coord = mouse;
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trigger();
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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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void RS_ActionDrawLineParallelThrough::updateMouseButtonHints() {
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switch (getStatus()) {
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case SetEntity:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Select entity"), tr("Cancel"));
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break;
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case SetPos:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Specify through point"),
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tr("Back"));
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break;
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case SetNumber:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Number:"), tr("Back"));
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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_ActionDrawLineParallelThrough::showOptions() {
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RS_ActionInterface::showOptions();
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RS_DIALOGFACTORY->requestOptions(this, true);
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updateMouseButtonHints();
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}
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void RS_ActionDrawLineParallelThrough::hideOptions() {
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RS_ActionInterface::hideOptions();
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RS_DIALOGFACTORY->requestOptions(this, false);
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}
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void RS_ActionDrawLineParallelThrough::commandEvent(RS_CommandEvent* e) {
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QString c = e->getCommand().toLower();
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if (checkCommand("help", c)) {
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RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
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+ getAvailableCommands().join(", "));
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return;
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}
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switch (getStatus()) {
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case SetEntity:
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case SetPos: {
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if (checkCommand("number", c)) {
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deletePreview();
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lastStatus = (Status)getStatus();
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setStatus(SetNumber);
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}
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}
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break;
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case SetNumber: {
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bool ok;
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int n = c.toInt(&ok);
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if (ok) {
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e->accept();
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if (n>0 && n<100) {
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number = n;
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} else {
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RS_DIALOGFACTORY->commandMessage(tr("Not a valid number. "
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"Try 1..99"));
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}
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} else {
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RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression"));
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}
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RS_DIALOGFACTORY->requestOptions(this, true, true);
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setStatus(lastStatus);
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}
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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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QStringList RS_ActionDrawLineParallelThrough::getAvailableCommands() {
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QStringList cmd;
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switch (getStatus()) {
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case SetEntity:
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cmd += command("number");
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break;
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default:
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break;
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}
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return cmd;
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}
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void RS_ActionDrawLineParallelThrough::updateMouseCursor()
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{
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switch (getStatus())
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{
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case SetEntity:
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graphicView->setMouseCursor(RS2::SelectCursor);
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break;
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case SetNumber:
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case SetPos:
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graphicView->setMouseCursor(RS2::CadCursor);
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break;
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}
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}
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int RS_ActionDrawLineParallelThrough::getNumber() const{
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return number;
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}
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void RS_ActionDrawLineParallelThrough::setNumber(int n) {
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number = n;
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}
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// EOF
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