425 lines
12 KiB
C++
425 lines
12 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<QMouseEvent>
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#include "rs_actiondefault.h"
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#include "rs_dialogfactory.h"
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#include "rs_graphicview.h"
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#include "rs_line.h"
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#include "rs_coordinateevent.h"
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#include "rs_commandevent.h"
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#include "rs_modification.h"
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#include "rs_selection.h"
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#include "rs_overlaybox.h"
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#include "rs_preview.h"
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#include "rs_debug.h"
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#include <cmath>
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struct RS_ActionDefault::Points {
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RS_Vector v1;
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RS_Vector v2;
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};
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/**
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* Constructor.
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*/
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RS_ActionDefault::RS_ActionDefault(RS_EntityContainer& container,
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RS_GraphicView& graphicView)
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: RS_PreviewActionInterface("Default",
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container, graphicView)
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, pPoints(new Points{})
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, restrBak(RS2::RestrictNothing)
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{
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RS_DEBUG->print("RS_ActionDefault::RS_ActionDefault");
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actionType=RS2::ActionDefault;
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RS_DEBUG->print("RS_ActionDefault::RS_ActionDefault: OK");
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}
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RS_ActionDefault::~RS_ActionDefault() = default;
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void RS_ActionDefault::init(int status) {
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RS_DEBUG->print("RS_ActionDefault::init");
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if(status==Neutral){
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deletePreview();
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deleteSnapper();
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}
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RS_PreviewActionInterface::init(status);
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pPoints->v1 = pPoints->v2 = {};
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// snapMode.clear();
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// snapMode.restriction = RS2::RestrictNothing;
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// restrBak = RS2::RestrictNothing;
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// RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarMain);
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RS_DEBUG->print("RS_ActionDefault::init: OK");
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}
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void RS_ActionDefault::keyPressEvent(QKeyEvent* e) {
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// std::cout<<"RS_ActionDefault::keyPressEvent(): begin"<<std::endl;
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switch(e->key()){
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case Qt::Key_Shift:
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restrBak = snapMode.restriction;
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setSnapRestriction(RS2::RestrictOrthogonal);
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e->accept();
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break; //avoid clearing command line at shift key
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//cleanup default action, issue#285
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case Qt::Key_Escape:
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// std::cout<<"RS_ActionDefault::keyPressEvent(): Qt::Key_Escape"<<std::endl;
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deletePreview();
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deleteSnapper();
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setStatus(Neutral);
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e->accept();
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break;
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default:
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e->ignore();
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}
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}
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void RS_ActionDefault::keyReleaseEvent(QKeyEvent* e) {
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if (e->key()==Qt::Key_Shift) {
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setSnapRestriction(restrBak);
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e->accept();
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}
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}
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void RS_ActionDefault::mouseMoveEvent(QMouseEvent* e) {
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RS_Vector mouse = graphicView->toGraph(e->x(), e->y());
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RS_Vector relMouse = mouse - graphicView->getRelativeZero();
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RS_DIALOGFACTORY->updateCoordinateWidget(mouse, relMouse);
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switch (getStatus()) {
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case Neutral:
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deleteSnapper();
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break;
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case Dragging:
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//v2 = graphicView->toGraph(e->x(), e->y());
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pPoints->v2 = mouse;
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if (graphicView->toGuiDX(pPoints->v1.distanceTo(pPoints->v2))>10) {
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// look for reference points to drag:
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double dist;
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RS_Vector ref = container->getNearestSelectedRef(pPoints->v1, &dist);
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if (ref.valid==true && graphicView->toGuiDX(dist)<8) {
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RS_DEBUG->print("RS_ActionDefault::mouseMoveEvent: "
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"moving reference point");
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setStatus(MovingRef);
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pPoints->v1 = ref;
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graphicView->moveRelativeZero(pPoints->v1);
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}
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else {
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// test for an entity to drag:
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RS_Entity* en = catchEntity(pPoints->v1);
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if (en && en->isSelected()) {
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RS_DEBUG->print("RS_ActionDefault::mouseMoveEvent: "
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"moving entity");
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setStatus(Moving);
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RS_Vector vp= en->getNearestRef(pPoints->v1);
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if(vp.valid) pPoints->v1=vp;
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//graphicView->moveRelativeZero(v1);
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}
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// no entity found. start area selection:
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else {
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setStatus(SetCorner2);
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}
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}
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}
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break;
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case MovingRef:
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pPoints->v2 = snapPoint(e);
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RS_DIALOGFACTORY->updateCoordinateWidget(pPoints->v2, pPoints->v2 - graphicView->getRelativeZero());
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if (e->modifiers() & Qt::ShiftModifier) {
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mouse = snapToAngle(mouse, pPoints->v1, 15.);
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pPoints->v2 = mouse;
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}
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deletePreview();
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preview->addSelectionFrom(*container);
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preview->moveRef(pPoints->v1, pPoints->v2 - pPoints->v1);
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if (e->modifiers() & Qt::ShiftModifier) {
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RS_Line *line = new RS_Line(pPoints->v1, mouse);
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preview->addEntity(line);
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line->setSelected(true);
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}
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drawPreview();
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break;
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case Moving:
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pPoints->v2 = snapPoint(e);
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RS_DIALOGFACTORY->updateCoordinateWidget(pPoints->v2, pPoints->v2 - graphicView->getRelativeZero());
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if (e->modifiers() & Qt::ShiftModifier) {
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mouse = snapToAngle(mouse, pPoints->v1, 15.);
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pPoints->v2 = mouse;
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}
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deletePreview();
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preview->addSelectionFrom(*container);
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preview->move(pPoints->v2 - pPoints->v1);
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if (e->modifiers() & Qt::ShiftModifier) {
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RS_Line *line = new RS_Line(pPoints->v1, mouse);
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preview->addEntity(line);
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line->setSelected(true);
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}
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drawPreview();
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break;
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case SetCorner2:
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if (pPoints->v1.valid) {
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pPoints->v2 = mouse;
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deletePreview();
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RS_OverlayBox* ob=new RS_OverlayBox(preview.get(),
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RS_OverlayBoxData(pPoints->v1, pPoints->v2));
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preview->addEntity(ob);
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drawPreview();
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}
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break;
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case Panning:
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{
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RS_Vector const vTarget(e->x(), e->y());
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RS_Vector const v01=vTarget - pPoints->v1;
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if(v01.squared()>=64.){
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graphicView->zoomPan((int) v01.x, (int) v01.y);
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pPoints->v1=vTarget;
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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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}
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void RS_ActionDefault::mousePressEvent(QMouseEvent* e) {
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if (e->button()==Qt::LeftButton) {
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switch (getStatus()) {
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case Neutral:
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{
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auto const m=e->modifiers();
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if(m & (Qt::ControlModifier|Qt::MetaModifier)){
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pPoints->v1 = RS_Vector(e->x(), e->y());
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setStatus(Panning);
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} else {
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pPoints->v1 = graphicView->toGraph(e->x(), e->y());
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setStatus(Dragging);
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}
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}
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break;
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case Moving: {
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pPoints->v2 = snapPoint(e);
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if (e->modifiers() & Qt::ShiftModifier) {
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pPoints->v2 = snapToAngle(pPoints->v2, pPoints->v1, 15.);
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}
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deletePreview();
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RS_Modification m(*container, graphicView);
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RS_MoveData data;
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data.number = 0;
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data.useCurrentLayer = false;
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data.useCurrentAttributes = false;
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data.offset = pPoints->v2 - pPoints->v1;
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m.move(data);
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setStatus(Neutral);
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RS_DIALOGFACTORY->updateSelectionWidget(
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container->countSelected(),container->totalSelectedLength());
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deleteSnapper();
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}
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break;
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case MovingRef: {
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pPoints->v2 = snapPoint(e);
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if (e->modifiers() & Qt::ShiftModifier) {
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pPoints->v2 = snapToAngle(pPoints->v2, pPoints->v1, 15.);
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}
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deletePreview();
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RS_Modification m(*container, graphicView);
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RS_MoveRefData data;
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data.ref = pPoints->v1;
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data.offset = pPoints->v2 - pPoints->v1;
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m.moveRef(data);
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//container->moveSelectedRef(v1, v2-v2);
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setStatus(Neutral);
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RS_DIALOGFACTORY->updateSelectionWidget(
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container->countSelected(),container->totalSelectedLength());
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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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//cleanup
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setStatus(Neutral);
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e->accept();
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}
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}
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void RS_ActionDefault::mouseReleaseEvent(QMouseEvent* e) {
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RS_DEBUG->print("RS_ActionDefault::mouseReleaseEvent()");
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if (e->button()==Qt::LeftButton) {
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pPoints->v2 = graphicView->toGraph(e->x(), e->y());
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switch (getStatus()) {
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case Dragging: {
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// select single entity:
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RS_Entity* en = catchEntity(e);
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if (en) {
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deletePreview();
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RS_Selection s(*container, graphicView);
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s.selectSingle(en);
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RS_DIALOGFACTORY->updateSelectionWidget(
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container->countSelected(),container->totalSelectedLength());
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e->accept();
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setStatus(Neutral);
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} else {
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setStatus(SetCorner2);
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}
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}
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break;
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case SetCorner2: {
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//v2 = snapPoint(e);
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pPoints->v2 = graphicView->toGraph(e->x(), e->y());
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// select window:
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//if (graphicView->toGuiDX(v1.distanceTo(v2))>20) {
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deletePreview();
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bool cross = (pPoints->v1.x > pPoints->v2.x);
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RS_Selection s(*container, graphicView);
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bool select = (e->modifiers() & Qt::ShiftModifier) ? false : true;
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s.selectWindow(pPoints->v1, pPoints->v2, select, cross);
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RS_DIALOGFACTORY->updateSelectionWidget(
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container->countSelected(),container->totalSelectedLength());
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setStatus(Neutral);
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e->accept();
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//}
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}
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break;
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case Panning:
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setStatus(Neutral);
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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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//cleanup
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setStatus(Neutral);
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e->accept();
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}
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}
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void RS_ActionDefault::commandEvent(RS_CommandEvent* e) {
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QString c = e->getCommand().toLower();
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// if the current action can't deal with the command,
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// it might be intended to launch a new command
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//if (!e.isAccepted()) {
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// command for new action:
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//RS2::ActionType type = RS_COMMANDS->cmdToAction(c);
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//if (type!=RS2::ActionNone) {
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//graphicView->setCurrentAction(type);
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//return true;
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//}
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//}
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}
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QStringList RS_ActionDefault::getAvailableCommands() {
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QStringList cmd;
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//cmd += "line";
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//cmd += "rectangle";
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return cmd;
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}
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void RS_ActionDefault::updateMouseButtonHints() {
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switch (getStatus()) {
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case Neutral:
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RS_DIALOGFACTORY->updateMouseWidget();
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break;
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case SetCorner2:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Choose second edge"),
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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_ActionDefault::updateMouseCursor() {
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switch (getStatus()) {
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case Neutral:
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graphicView->setMouseCursor(RS2::ArrowCursor);
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break;
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case Moving:
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case MovingRef:
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graphicView->setMouseCursor(RS2::SelectCursor);
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break;
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case Panning:
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graphicView->setMouseCursor(RS2::ClosedHandCursor);
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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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// EOF
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