333 lines
8.1 KiB
C++
333 lines
8.1 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<cmath>
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#include <QAction>
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#include <QMouseEvent>
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#include "rs_actiondimlinear.h"
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#include "rs_dimlinear.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_constructionline.h"
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#include "rs_line.h"
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#include "rs_coordinateevent.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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/**
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* Constructor.
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*
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* @param angle Initial angle in rad.
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* @param fixedAngle true: The user can't change the angle.
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* false: The user can change the angle in a option widget.
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*/
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RS_ActionDimLinear::RS_ActionDimLinear(RS_EntityContainer& container,
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RS_GraphicView& graphicView,
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double angle,
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bool _fixedAngle, RS2::ActionType /*type*/)
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:RS_ActionDimension("Draw linear dimensions",
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container, graphicView)
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,edata(new RS_DimLinearData(RS_Vector(0., 0.), RS_Vector(0., 0.), angle, 0.))
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,fixedAngle(_fixedAngle)
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,lastStatus(SetExtPoint1)
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{
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//TODO: fix dim linear type logic: whether it's for linear only, or should cover horizontal/vertical dim types
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actionType=RS2::ActionDimLinear;
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reset();
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}
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RS_ActionDimLinear::~RS_ActionDimLinear() = default;
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void RS_ActionDimLinear::reset() {
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RS_ActionDimension::reset();
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edata.reset(new RS_DimLinearData(RS_Vector(false),
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RS_Vector(false),
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(fixedAngle ? edata->angle : 0.0), 0.0)
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);
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RS_DIALOGFACTORY->requestOptions(this, true, true);
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}
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void RS_ActionDimLinear::trigger() {
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RS_ActionDimension::trigger();
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preparePreview();
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RS_DimLinear* dim = new RS_DimLinear(container, *data, *edata);
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dim->setLayerToActive();
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dim->setPenToActive();
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dim->update();
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container->addEntity(dim);
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// upd. undo list:
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if (document) {
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document->startUndoCycle();
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document->addUndoable(dim);
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document->endUndoCycle();
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}
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RS_Vector rz = graphicView->getRelativeZero();
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graphicView->redraw(RS2::RedrawDrawing);
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graphicView->moveRelativeZero(rz);
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RS_DEBUG->print("RS_ActionDimLinear::trigger():"
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" dim added: %d", dim->getId());
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}
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void RS_ActionDimLinear::preparePreview() {
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RS_Vector dirV = RS_Vector::polar(100., edata->angle+M_PI_2);
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RS_ConstructionLine cl(
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NULL,
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RS_ConstructionLineData(
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edata->extensionPoint2,
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edata->extensionPoint2+dirV));
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data->definitionPoint =
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cl.getNearestPointOnEntity(data->definitionPoint);
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}
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void RS_ActionDimLinear::mouseMoveEvent(QMouseEvent* e) {
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RS_DEBUG->print("RS_ActionDimLinear::mouseMoveEvent begin");
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RS_Vector mouse = snapPoint(e);
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switch (getStatus()) {
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case SetExtPoint1:
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break;
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case SetExtPoint2:
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if (edata->extensionPoint1.valid) {
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deletePreview();
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preview->addEntity(new RS_Line{preview.get(),
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edata->extensionPoint1, mouse});
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drawPreview();
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}
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break;
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case SetDefPoint:
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if (edata->extensionPoint1.valid && edata->extensionPoint2.valid) {
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deletePreview();
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data->definitionPoint = mouse;
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preparePreview();
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RS_DimLinear* dim = new RS_DimLinear(preview.get(), *data, *edata);
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preview->addEntity(dim);
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dim->update();
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drawPreview();
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}
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break;
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}
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RS_DEBUG->print("RS_ActionDimLinear::mouseMoveEvent end");
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}
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void RS_ActionDimLinear::mouseReleaseEvent(QMouseEvent* e) {
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if (e->button()==Qt::LeftButton) {
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RS_CoordinateEvent ce(snapPoint(e));
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coordinateEvent(&ce);
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} else if (e->button()==Qt::RightButton) {
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deletePreview();
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init(getStatus()-1);
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}
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}
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void RS_ActionDimLinear::coordinateEvent(RS_CoordinateEvent* e) {
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if (e==NULL) {
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return;
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}
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RS_Vector pos = e->getCoordinate();
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switch (getStatus()) {
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case SetExtPoint1:
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edata->extensionPoint1 = pos;
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graphicView->moveRelativeZero(pos);
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setStatus(SetExtPoint2);
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break;
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case SetExtPoint2:
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edata->extensionPoint2 = pos;
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graphicView->moveRelativeZero(pos);
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setStatus(SetDefPoint);
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break;
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case SetDefPoint:
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data->definitionPoint = pos;
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trigger();
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reset();
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setStatus(SetExtPoint1);
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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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double RS_ActionDimLinear::getAngle() const{
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return edata->angle;
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}
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void RS_ActionDimLinear::setAngle(double a) {
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edata->angle = a;
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}
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bool RS_ActionDimLinear::hasFixedAngle() const{
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return fixedAngle;
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}
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void RS_ActionDimLinear::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 SetText:
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setText(c);
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RS_DIALOGFACTORY->requestOptions(this, true, true);
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graphicView->enableCoordinateInput();
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setStatus(lastStatus);
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break;
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case SetAngle: {
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bool ok;
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double a = RS_Math::eval(c, &ok);
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if (ok) {
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setAngle(RS_Math::deg2rad(a));
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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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lastStatus = (Status)getStatus();
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deletePreview();
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if (checkCommand("text", c)) {
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graphicView->disableCoordinateInput();
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setStatus(SetText);
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return;
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} else if (!fixedAngle && (checkCommand("angle", c))) {
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setStatus(SetAngle);
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}
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break;
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}
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}
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QStringList RS_ActionDimLinear::getAvailableCommands() {
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QStringList cmd;
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switch (getStatus()) {
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case SetExtPoint1:
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case SetExtPoint2:
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case SetDefPoint:
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cmd += command("text");
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if (!fixedAngle) {
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cmd += command("angle");
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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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return cmd;
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}
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void RS_ActionDimLinear::updateMouseButtonHints() {
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switch (getStatus()) {
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case SetExtPoint1:
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RS_DIALOGFACTORY->updateMouseWidget(
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tr("Specify first extension line origin"),
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tr("Cancel"));
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break;
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case SetExtPoint2:
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RS_DIALOGFACTORY->updateMouseWidget(
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tr("Specify second extension line origin"),
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tr("Back"));
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break;
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case SetDefPoint:
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RS_DIALOGFACTORY->updateMouseWidget(
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tr("Specify dimension line location"),
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tr("Back"));
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break;
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case SetText:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Enter dimension text:"), "");
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break;
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case SetAngle:
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RS_DIALOGFACTORY->updateMouseWidget(
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tr("Enter dimension line angle:"), "");
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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_ActionDimLinear::showOptions() {
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RS_ActionInterface::showOptions();
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RS_DIALOGFACTORY->requestOptions(this, true, true);
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}
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void RS_ActionDimLinear::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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// EOF
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