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Viewing changes to librecad/src/actions/rs_actiondrawlinefree.cpp

  • Committer: Scott Howard
  • Date: 2014-02-21 19:07:55 UTC
  • Revision ID: showard@debian.org-20140221190755-csjax9wb146hgdq4
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librecad/src/actions/rs_actiondrawlinefree.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 "rs_actiondrawlinefree.h"
 
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#include <QAction>
 
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#include "rs_dialogfactory.h"
 
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#include "rs_graphicview.h"
 
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RS_ActionDrawLineFree::RS_ActionDrawLineFree(RS_EntityContainer& container,
 
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        RS_GraphicView& graphicView)
 
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        :RS_PreviewActionInterface("Draw freehand lines",
 
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                    container, graphicView) {
 
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    vertex = RS_Vector(false);
 
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    polyline = NULL;
 
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}
 
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RS_ActionDrawLineFree::~RS_ActionDrawLineFree() {
 
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    if (polyline!=NULL) {
 
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        delete polyline;
 
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    }
 
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}
 
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QAction* RS_ActionDrawLineFree::createGUIAction(RS2::ActionType /*type*/, QObject* /*parent*/) {
 
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        // tr(""Line: Freehand"),
 
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    QAction* action = new QAction(tr("&Freehand Line"), NULL);
 
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        action->setIcon(QIcon(":/extui/linesfree.png"));
 
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    //action->zetStatusTip(tr("Draw freehand lines"));
 
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    return action;
 
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}
 
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void RS_ActionDrawLineFree::trigger() {
 
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    if (polyline!=NULL) {
 
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        deletePreview();
 
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            polyline->endPolyline();
 
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            RS_VectorSolutions sol=polyline->getRefPoints();
 
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            if(sol.getNumber() > 2 ) {
 
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                container->addEntity(polyline);
 
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                if (document) {
 
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                        document->startUndoCycle();
 
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                        document->addUndoable(polyline);
 
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                        document->endUndoCycle();
 
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                }
 
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                graphicView->redraw(RS2::RedrawDrawing);
 
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        RS_DEBUG->print("RS_ActionDrawLineFree::trigger():"
 
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                        " polyline added: %d", polyline->getId());
 
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            } else {
 
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            delete polyline;
 
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            }
 
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        polyline = NULL;
 
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    }
 
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    setStatus(SetStartpoint);
 
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}
 
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/*
 
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 * 11 Aug 2011, Dongxu Li
 
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 */
 
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void RS_ActionDrawLineFree::mouseMoveEvent(QMouseEvent* e) {
 
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    if (getStatus()==Dragging && polyline!=NULL) {
 
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        RS_Vector v = snapPoint(e);
 
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        if( (graphicView->toGui(v) - graphicView->toGui(vertex)).squared()< 1. ){
 
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            //do not add the same mouse position
 
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            return;
 
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        }
 
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        RS_Entity* ent = polyline->addVertex(v);
 
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        if (polyline->count() > 0){
 
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            preview->addCloneOf(ent);
 
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            drawPreview();
 
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        }
 
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        vertex = v;
 
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        RS_DEBUG->print("RS_ActionDrawLineFree::mouseMoveEvent():"
 
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                        " line added: %d", ent->getId());
 
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    }
 
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}
 
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void RS_ActionDrawLineFree::mousePressEvent(QMouseEvent* e) {
 
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    if (e->button()==Qt::LeftButton) {
 
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        switch(getStatus()){
 
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        case SetStartpoint:
 
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            setStatus(Dragging);
 
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        case Dragging:
 
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            vertex = snapPoint(e);
 
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            polyline = new RS_Polyline(container,
 
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                                       RS_PolylineData(vertex, vertex, 0));
 
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            polyline->setLayerToActive();
 
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            polyline->setPenToActive();
 
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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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    //else if (RS2::qtToRsButtonState(e->button())==RS2::RightButton && !vertex.valid) {
 
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    //}
 
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}
 
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void RS_ActionDrawLineFree::mouseReleaseEvent(QMouseEvent* e) {
 
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    if (e->button()==Qt::LeftButton) {
 
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        if(getStatus()==Dragging){
 
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        vertex = RS_Vector(false);
 
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        trigger();
 
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        }
 
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    } else if (e->button()==Qt::RightButton) {
 
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        if (polyline!=NULL) {
 
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            delete polyline;
 
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            polyline = NULL;
 
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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_ActionDrawLineFree::updateMouseButtonHints() {
 
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    switch (getStatus()) {
 
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    case SetStartpoint:
 
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    case Dragging:
 
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        RS_DIALOGFACTORY->updateMouseWidget(
 
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            tr("Click and drag to draw a line"), tr("Cancel"));
 
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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_ActionDrawLineFree::updateMouseCursor() {
 
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    graphicView->setMouseCursor(RS2::CadCursor);
 
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}
 
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//void RS_ActionDrawLineFree::updateToolBar() {
 
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//    if (RS_DIALOGFACTORY!=NULL) {
 
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//        if (isFinished()) {
 
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//            RS_DIALOGFACTORY->resetToolBar();
 
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//        }
 
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//    }
 
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//}
 
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// EOF