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Chenwenxuan
331
actions/rs_actiondrawlinebisector.cpp
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331
actions/rs_actiondrawlinebisector.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_actiondrawlinebisector.h"
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#include "rs_dialogfactory.h"
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#include "rs_graphicview.h"
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#include "rs_commandevent.h"
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#include "rs_creation.h"
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#include "rs_line.h"
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#include "rs_math.h"
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#include "rs_preview.h"
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#include "rs_debug.h"
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struct RS_ActionDrawLineBisector::Points {
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/** Mouse pos when choosing the 1st line */
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RS_Vector coord1;
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/** Mouse pos when choosing the 2nd line */
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RS_Vector coord2;
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};
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RS_ActionDrawLineBisector::RS_ActionDrawLineBisector(
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RS_EntityContainer& container,
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RS_GraphicView& graphicView)
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:RS_PreviewActionInterface("Draw Bisectors", container, graphicView)
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,bisector(nullptr)
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,line1(nullptr)
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,line2(nullptr)
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,length(10.)
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,number(1)
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, pPoints(new Points{})
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,lastStatus(SetLine1)
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{
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actionType=RS2::ActionDrawLineBisector;
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}
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RS_ActionDrawLineBisector::~RS_ActionDrawLineBisector() = default;
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void RS_ActionDrawLineBisector::setLength(double l) {
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length = l;
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}
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double RS_ActionDrawLineBisector::getLength() const{
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return length;
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}
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void RS_ActionDrawLineBisector::setNumber(int n) {
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number = n;
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}
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int RS_ActionDrawLineBisector::getNumber() const {
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return number;
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}
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void RS_ActionDrawLineBisector::init(int status) {
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RS_PreviewActionInterface::init(status);
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if(status>=0) {
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RS_Snapper::suspend();
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}
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if (status<SetLine2) {
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if(line2 && line2->isHighlighted()){
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line2->setHighlighted(false);
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}
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if(status<0 && line1 && line1->isHighlighted()){
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line1->setHighlighted(false);
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}
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graphicView->redraw(RS2::RedrawDrawing);
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}
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}
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void RS_ActionDrawLineBisector::trigger() {
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RS_PreviewActionInterface::trigger();
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for(auto p: {line1, line2}){
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if(p && p->isHighlighted()){
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p->setHighlighted(false);
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}
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}
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graphicView->redraw(RS2::RedrawDrawing);
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RS_Creation creation(container, graphicView);
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creation.createBisector(pPoints->coord1,
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pPoints->coord2,
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length,
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number,
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line1,
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line2);
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}
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void RS_ActionDrawLineBisector::mouseMoveEvent(QMouseEvent* e) {
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RS_DEBUG->print("RS_ActionDrawLineBisector::mouseMoveEvent begin");
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RS_Vector mouse = RS_Vector(graphicView->toGraphX(e->x()),
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graphicView->toGraphY(e->y()));
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switch (getStatus()) {
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case SetLine1:
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break;
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case SetLine2: {
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pPoints->coord2 = mouse;
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RS_Entity* en = catchEntity(e, RS2::ResolveAll);
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if(en==line1) break;
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if (en && en->rtti()==RS2::EntityLine) {
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if(line2 && line2->isHighlighted()){
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line2->setHighlighted(false);
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}
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line2 = static_cast<RS_Line*>(en);
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line2->setHighlighted(true);
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graphicView->redraw(RS2::RedrawDrawing);
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deletePreview();
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RS_Creation creation(preview.get(), nullptr, false);
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creation.createBisector(pPoints->coord1,
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pPoints->coord2,
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length,
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number,
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line1,
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line2);
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drawPreview();
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}else{
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if(line2 && line2->isHighlighted()){
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line2->setHighlighted(false);
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graphicView->redraw(RS2::RedrawDrawing);
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}
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line2=nullptr;
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}
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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_ActionDrawLineBisector::mouseMoveEvent end");
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}
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void RS_ActionDrawLineBisector::mouseReleaseEvent(QMouseEvent* e) {
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if (e->button()==Qt::RightButton) {
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deletePreview();
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init(getStatus()-1);
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} else {
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RS_Vector mouse = RS_Vector(graphicView->toGraphX(e->x()),
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graphicView->toGraphY(e->y()));
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switch (getStatus()) {
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case SetLine1: {
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pPoints->coord1 = mouse;
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RS_Entity* en = catchEntity(e, RS2::ResolveAll);
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if (en && en->rtti()==RS2::EntityLine) {
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line1 = static_cast<RS_Line*>(en);
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line1->setHighlighted(true);
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graphicView->redraw(RS2::RedrawDrawing);
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line2=nullptr;
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setStatus(SetLine2);
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}
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}
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break;
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case SetLine2:
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pPoints->coord2 = mouse;
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trigger();
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setStatus(SetLine1);
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break;
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}
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}
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}
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void RS_ActionDrawLineBisector::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 SetLine1:
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case SetLine2:
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lastStatus = (Status)getStatus();
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if (checkCommand("length", c)) {
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deletePreview();
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setStatus(SetLength);
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} else if (checkCommand("number", c)) {
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deletePreview();
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setStatus(SetNumber);
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}
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break;
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case SetLength: {
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bool ok;
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double l = RS_Math::eval(c, &ok);
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if (ok) {
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e->accept();
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length = l;
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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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case SetNumber: {
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bool ok;
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int n = (int)RS_Math::eval(c, &ok);
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if (ok) {
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e->accept();
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if(n>0 && n<=200)
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number = n;
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else
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RS_DIALOGFACTORY->commandMessage(tr("Number sector lines not in range: ", "number of bisector to create must be in [1, 200]")+QString::number(n));
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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_ActionDrawLineBisector::getAvailableCommands() {
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QStringList cmd;
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switch (getStatus()) {
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case SetLine1:
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case SetLine2:
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cmd += command("length");
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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_ActionDrawLineBisector::updateMouseButtonHints() {
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switch (getStatus()) {
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case SetLine1:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Select first line"),
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tr("Cancel"));
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break;
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case SetLine2:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Select second line"),
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tr("Back"));
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break;
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case SetLength:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Enter bisector length:"),
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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("Enter number of bisectors:"),
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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_ActionDrawLineBisector::showOptions() {
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RS_ActionInterface::showOptions();
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RS_DIALOGFACTORY->requestOptions(this, true);
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}
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void RS_ActionDrawLineBisector::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_ActionDrawLineBisector::updateMouseCursor() {
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graphicView->setMouseCursor(RS2::SelectCursor);
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}
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// EOF
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