172 lines
4.5 KiB
C++
172 lines
4.5 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<cmath>
|
|
#include <QAction>
|
|
#include <QMouseEvent>
|
|
#include "rs_actionzoomwindow.h"
|
|
|
|
#include "rs_dialogfactory.h"
|
|
#include "rs_graphicview.h"
|
|
#include "rs_line.h"
|
|
#include "rs_preview.h"
|
|
#include "rs_debug.h"
|
|
|
|
struct RS_ActionZoomWindow::Points {
|
|
RS_Vector v1;
|
|
RS_Vector v2;
|
|
};
|
|
|
|
|
|
/**
|
|
* Default constructor.
|
|
*
|
|
* @param keepAspectRatio Keep the aspect ratio. true: the factors
|
|
* in x and y will stay the same. false Exactly the chosen
|
|
* area will be fit to the viewport.
|
|
*/
|
|
RS_ActionZoomWindow::RS_ActionZoomWindow(RS_EntityContainer& container,
|
|
RS_GraphicView& graphicView, bool keepAspectRatio)
|
|
: RS_PreviewActionInterface("Zoom Window",
|
|
container, graphicView)
|
|
, pPoints(new Points{})
|
|
, keepAspectRatio(keepAspectRatio)
|
|
{
|
|
}
|
|
|
|
RS_ActionZoomWindow::~RS_ActionZoomWindow() = default;
|
|
|
|
|
|
void RS_ActionZoomWindow::init(int status) {
|
|
RS_DEBUG->print("RS_ActionZoomWindow::init()");
|
|
|
|
RS_PreviewActionInterface::init(status);
|
|
pPoints.reset(new Points{});
|
|
//deleteSnapper();
|
|
// snapMode.clear();
|
|
// snapMode.restriction = RS2::RestrictNothing;
|
|
}
|
|
|
|
|
|
|
|
void RS_ActionZoomWindow::trigger() {
|
|
RS_DEBUG->print("RS_ActionZoomWindow::trigger()");
|
|
|
|
RS_PreviewActionInterface::trigger();
|
|
|
|
if (pPoints->v1.valid && pPoints->v2.valid) {
|
|
deletePreview();
|
|
//deleteSnapper();
|
|
if (graphicView->toGuiDX(pPoints->v1.distanceTo(pPoints->v2))>5) {
|
|
graphicView->zoomWindow(pPoints->v1, pPoints->v2, keepAspectRatio);
|
|
init();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void RS_ActionZoomWindow::mouseMoveEvent(QMouseEvent* e) {
|
|
snapFree(e);
|
|
drawSnapper();
|
|
if (getStatus()==SetSecondCorner && pPoints->v1.valid) {
|
|
pPoints->v2 = snapFree(e);
|
|
deletePreview();
|
|
preview->addRectangle(pPoints->v1, pPoints->v2);
|
|
drawPreview();
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void RS_ActionZoomWindow::mousePressEvent(QMouseEvent* e) {
|
|
if (e->button()==Qt::LeftButton) {
|
|
switch (getStatus()) {
|
|
case SetFirstCorner:
|
|
pPoints->v1 = snapFree(e);
|
|
drawSnapper();
|
|
setStatus(SetSecondCorner);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
RS_DEBUG->print("RS_ActionZoomWindow::mousePressEvent(): %f %f",
|
|
pPoints->v1.x, pPoints->v1.y);
|
|
}
|
|
|
|
|
|
|
|
void RS_ActionZoomWindow::mouseReleaseEvent(QMouseEvent* e) {
|
|
RS_DEBUG->print("RS_ActionZoomWindow::mouseReleaseEvent()");
|
|
|
|
if (e->button()==Qt::RightButton) {
|
|
if (getStatus()==SetSecondCorner) {
|
|
deletePreview();
|
|
}
|
|
init(getStatus()-1);
|
|
} else if (e->button()==Qt::LeftButton) {
|
|
if (getStatus()==SetSecondCorner) {
|
|
pPoints->v2 = snapFree(e);
|
|
if( fabs(pPoints->v1.x-pPoints->v2.x) < RS_TOLERANCE
|
|
|| fabs(pPoints->v1.y-pPoints->v2.y) < RS_TOLERANCE ) {//invalid zoom window
|
|
deletePreview();
|
|
init(getStatus()-1);
|
|
}
|
|
trigger();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void RS_ActionZoomWindow::updateMouseButtonHints() {
|
|
RS_DEBUG->print("RS_ActionZoomWindow::updateMouseButtonHints()");
|
|
|
|
switch (getStatus()) {
|
|
case SetFirstCorner:
|
|
RS_DIALOGFACTORY->updateMouseWidget(tr("Specify first edge"), tr("Cancel"));
|
|
break;
|
|
case SetSecondCorner:
|
|
RS_DIALOGFACTORY->updateMouseWidget(tr("Specify second edge"), tr("Back"));
|
|
break;
|
|
default:
|
|
RS_DIALOGFACTORY->updateMouseWidget();
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void RS_ActionZoomWindow::updateMouseCursor() {
|
|
graphicView->setMouseCursor(RS2::MagnifierCursor);
|
|
}
|
|
|
|
|
|
// EOF
|