Files
newspark110/actions/rs_actionpolylinetrim.cpp
Chenwenxuan edac2715f0 init
2024-03-06 14:54:30 +08:00

205 lines
7.7 KiB
C++

/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/
#include <QAction>
#include <QMouseEvent>
#include "rs_actionpolylinetrim.h"
#include "rs_dialogfactory.h"
#include "rs_graphicview.h"
#include "rs_modification.h"
#include "rs_polyline.h"
#include "rs_atomicentity.h"
#include "rs_debug.h"
RS_ActionPolylineTrim::RS_ActionPolylineTrim(RS_EntityContainer& container,
RS_GraphicView& graphicView)
:RS_PreviewActionInterface("Trim segments",
container, graphicView) {
actionType=RS2::ActionPolylineTrim;
}
void RS_ActionPolylineTrim::init(int status) {
RS_ActionInterface::init(status);
delEntity = Segment1 = Segment2 = NULL;
}
void RS_ActionPolylineTrim::trigger() {
RS_DEBUG->print("RS_ActionPolylineTrim::trigger()");
if (delEntity && Segment1->isAtomic() && Segment2->isAtomic()) {
delEntity->setHighlighted(false);
graphicView->drawEntity(delEntity);
RS_Modification m(*container, graphicView);
delEntity = m.polylineTrim((RS_Polyline&)*delEntity, *Segment1, *Segment2 );
// delEntity = NULL;
Segment1 = Segment2 = NULL;
setStatus(SetSegment1);
RS_DIALOGFACTORY->updateSelectionWidget(container->countSelected(),container->totalSelectedLength());
}
////////////////////////////////////////2006/06/15
graphicView->redraw();
////////////////////////////////////////
}
void RS_ActionPolylineTrim::mouseMoveEvent(QMouseEvent* e) {
RS_DEBUG->print("RS_ActionPolylineTrim::mouseMoveEvent begin");
switch (getStatus()) {
case ChooseEntity:
break;
case SetSegment1:
case SetSegment2:
snapPoint(e);
break;
default:
break;
}
RS_DEBUG->print("RS_ActionPolylineTrim::mouseMoveEvent end");
}
void RS_ActionPolylineTrim::mouseReleaseEvent(QMouseEvent* e) {
if (e->button()==Qt::LeftButton) {
RS_Vector cPoint;
switch (getStatus()) {
case ChooseEntity:
delEntity = catchEntity(e);
if (delEntity==NULL) {
RS_DIALOGFACTORY->commandMessage(tr("No Entity found."));
} else if (delEntity->rtti()!=RS2::EntityPolyline) {
RS_DIALOGFACTORY->commandMessage(
tr("Entity must be a polyline."));
} else {
delEntity->setHighlighted(true);
graphicView->drawEntity(delEntity);
setStatus(SetSegment1);
////////////////////////////////////////2006/06/15
graphicView->redraw();
////////////////////////////////////////
}
break;
case SetSegment1:
cPoint = snapPoint(e);
if (delEntity==NULL) {
RS_DIALOGFACTORY->commandMessage(tr("No Entity found."));
} else if (!cPoint.valid) {
RS_DIALOGFACTORY->commandMessage(tr("Specifying point is invalid."));
} else if (!delEntity->isPointOnEntity(cPoint)) {
RS_DIALOGFACTORY->commandMessage(
tr("No Segment found on entity."));
}else{
Segment1 = NULL;
double dist = graphicView->toGraphDX(snapRange)*0.9;
Segment1 = (RS_AtomicEntity*)((RS_Polyline*)delEntity)->getNearestEntity( RS_Vector(graphicView->toGraphX(e->x()),
graphicView->toGraphY(e->y())), &dist, RS2::ResolveNone);
if(Segment1 == NULL)
break;
setStatus(SetSegment2);
}
break;
case SetSegment2:
cPoint = snapPoint(e);
if (delEntity==NULL) {
RS_DIALOGFACTORY->commandMessage(tr("No Entity found."));
} else if (!cPoint.valid) {
RS_DIALOGFACTORY->commandMessage(tr("Specifying point is invalid."));
} else if (!delEntity->isPointOnEntity(cPoint)) {
RS_DIALOGFACTORY->commandMessage(
tr("No Segment found on entity."));
}else{
Segment2 = NULL;
double dist = graphicView->toGraphDX(snapRange)*0.9;
Segment2 = (RS_AtomicEntity*)((RS_Polyline*)delEntity)->getNearestEntity( RS_Vector(graphicView->toGraphX(e->x()),
graphicView->toGraphY(e->y())), &dist, RS2::ResolveNone);
if(Segment2 == NULL)
break;
deleteSnapper();
trigger();
}
break;
default:
break;
}
} else if (e->button()==Qt::RightButton) {
deleteSnapper();
if (delEntity) {
delEntity->setHighlighted(false);
graphicView->drawEntity(delEntity);
////////////////////////////////////////2006/06/15
graphicView->redraw();
////////////////////////////////////////
}
init(getStatus()-1);
}
}
void RS_ActionPolylineTrim::updateMouseButtonHints() {
switch (getStatus()) {
case ChooseEntity:
RS_DIALOGFACTORY->updateMouseWidget(tr("Specify polyline to trim"),
tr("Cancel"));
break;
case SetSegment1:
RS_DIALOGFACTORY->updateMouseWidget(tr("Specify first segment"),
tr("Back"));
break;
case SetSegment2:
RS_DIALOGFACTORY->updateMouseWidget(tr("Specify second segment"),
tr("Back"));
break;
default:
RS_DIALOGFACTORY->updateMouseWidget();
break;
}
}
void RS_ActionPolylineTrim::updateMouseCursor() {
graphicView->setMouseCursor(RS2::SelectCursor);
}
// EOF