~librecad-dev/librecad/librecad

/****************************************************************************

**

** This file is part of the LibreCAD project, a 2D CAD program

**

** Copyright (C) 2011 Rallaz (rallazz@gmail.com)

** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)

**

**

** This file is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** 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 "qc_actiongetpoint.h"

#include "rs_snapper.h"

#include "rs_dialogfactory.h"

#include "rs_graphicview.h"

QC_ActionGetPoint::QC_ActionGetPoint(RS_EntityContainer& container,

        RS_GraphicView& graphicView)

        :RS_PreviewActionInterface("Get Point",

                           container, graphicView) {

    completed = false;

    mesage = tr("Specify a point");

    setTargetPoint = false;

}

void QC_ActionGetPoint::trigger() {

    RS_DEBUG->print("QC_ActionGetPoint::trigger()");

    completed = true;

    updateMouseButtonHints();

}

void QC_ActionGetPoint::mouseMoveEvent(QMouseEvent* e) {

    RS_DEBUG->print("QC_ActionGetPoint::mouseMoveEvent begin");

        RS_Vector mouse = snapPoint(e);

        if(setTargetPoint){

            if (referencePoint.valid) {

                targetPoint = mouse;

                deletePreview();

                RS_Line *line =new RS_Line(preview,

                                       RS_LineData(referencePoint, mouse));

                line->setPen(RS_Pen(RS_Color(0,0,0), RS2::Width00, RS2::DotLine ));

                preview->addEntity(line);

                RS_DEBUG->print("QC_ActionGetPoint::mouseMoveEvent: draw preview");

                drawPreview();

                preview->addSelectionFrom(*container);

            }

        } else {

            targetPoint = mouse;

        }

    RS_DEBUG->print("QC_ActionGetPoint::mouseMoveEvent end");

}

void QC_ActionGetPoint::mouseReleaseEvent(QMouseEvent* e) {

    if (e->button()==Qt::LeftButton) {

        RS_CoordinateEvent ce(snapPoint(e));

        coordinateEvent(&ce);

    } else if (e->button()==Qt::RightButton) {

        init(getStatus()-1);

    }

}

void QC_ActionGetPoint::coordinateEvent(RS_CoordinateEvent* e) {

    if (e==NULL) {

        return;

    }

    RS_Vector pos = e->getCoordinate();

        targetPoint = pos;

        graphicView->moveRelativeZero(targetPoint);

        trigger();

}

void QC_ActionGetPoint::updateMouseButtonHints() {

    if (!completed)

        RS_DIALOGFACTORY->updateMouseWidget(mesage, tr("Cancel"));

    else

        RS_DIALOGFACTORY->updateMouseWidget("", "");

}

void QC_ActionGetPoint::updateMouseCursor() {

    graphicView->setMouseCursor(RS2::CadCursor);

}

void QC_ActionGetPoint::setBasepoint(QPointF* basepoint){

    referencePoint.x = basepoint->x();

    referencePoint.y = basepoint->y();

    setTargetPoint = true;

}

void QC_ActionGetPoint::setMesage(QString msg){

    mesage = msg;

}

void QC_ActionGetPoint::getPoint(QPointF *point) {

    if (completed) {

        point->setX(targetPoint.x);

        point->setY(targetPoint.y);

    } else {

        point->setX(0.0);

        point->setY(0.0);

    }

}

// EOF