164 lines
4.2 KiB
C++
Executable File
164 lines
4.2 KiB
C++
Executable File
// Copyright (c) 2008 GeometryFactory Sarl (France).
|
|
// All rights reserved.
|
|
//
|
|
// This file is part of CGAL (www.cgal.org).
|
|
// 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 3 of the License, or (at your option) any later version.
|
|
//
|
|
// Licensees holding a valid commercial license may use this file in
|
|
// accordance with the commercial license agreement provided with the software.
|
|
//
|
|
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
|
|
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
//
|
|
// $URL$
|
|
// $Id$
|
|
// SPDX-License-Identifier: GPL-3.0+
|
|
//
|
|
//
|
|
// Author(s) : Andreas Fabri <Andreas.Fabri@geometryfactory.com>
|
|
// Laurent Rineau <Laurent.Rineau@geometryfactory.com>
|
|
|
|
#ifndef CGAL_QT_GRAPHICS_VIEW_ISO_RECTANGLE_INPUT_H
|
|
#define CGAL_QT_GRAPHICS_VIEW_ISO_RECTANGLE_INPUT_H
|
|
|
|
#include <CGAL/license/GraphicsView.h>
|
|
|
|
|
|
#include <QGraphicsView>
|
|
#include <QRectF>
|
|
#include <QPointF>
|
|
#include <QGraphicsItem>
|
|
#include <QGraphicsRectItem>
|
|
#include <QGraphicsScene>
|
|
#include <QGraphicsSceneMouseEvent>
|
|
#include <QPainter>
|
|
#include <QStyleOption>
|
|
#include <QKeyEvent>
|
|
|
|
#include <CGAL/Qt/Converter.h>
|
|
#include <CGAL/Qt/GraphicsViewInput.h>
|
|
|
|
#include <CGAL/array.h>
|
|
|
|
namespace CGAL {
|
|
namespace Qt {
|
|
|
|
template <typename K>
|
|
class GraphicsViewIsoRectangleInput : public GraphicsViewInput
|
|
{
|
|
public:
|
|
GraphicsViewIsoRectangleInput(QObject *parent, QGraphicsScene* s);
|
|
~GraphicsViewIsoRectangleInput();
|
|
|
|
protected:
|
|
|
|
virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
|
|
virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
|
|
virtual void keyPressEvent(QKeyEvent *event);
|
|
|
|
bool eventFilter(QObject *obj, QEvent *event);
|
|
|
|
|
|
|
|
|
|
private:
|
|
|
|
typedef typename K::Point_2 Point_2;
|
|
QPointF qp, qq, qr;
|
|
Point_2 p, q, r;
|
|
QGraphicsRectItem *rectItem;
|
|
QPointF rect_first_point;
|
|
QGraphicsScene *scene_;
|
|
Converter<K> convert;
|
|
};
|
|
|
|
|
|
template <typename K>
|
|
GraphicsViewIsoRectangleInput<K>::GraphicsViewIsoRectangleInput(QObject *parent, QGraphicsScene* s)
|
|
: GraphicsViewInput(parent), rectItem(new QGraphicsRectItem), scene_(s)
|
|
{
|
|
rectItem->setBrush(QBrush());
|
|
scene_->addItem(rectItem);
|
|
rectItem->hide();
|
|
rectItem->setZValue(10000);
|
|
}
|
|
|
|
template <typename K>
|
|
GraphicsViewIsoRectangleInput<K>::~GraphicsViewIsoRectangleInput()
|
|
{
|
|
delete rectItem;
|
|
}
|
|
|
|
|
|
template <typename K>
|
|
void
|
|
GraphicsViewIsoRectangleInput<K>::mousePressEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
if(event->modifiers() & ::Qt::ShiftModifier){
|
|
return;
|
|
}
|
|
if(event->button() == ::Qt::LeftButton) {
|
|
if(rectItem->isVisible()) {
|
|
// we have clicked twice
|
|
Q_EMIT generate(CGAL::make_object(convert(rectItem->rect())));
|
|
rectItem->hide();
|
|
} else {
|
|
// we enter a first point
|
|
rect_first_point = event->scenePos();
|
|
rectItem->setRect(QRectF(rect_first_point, rect_first_point));
|
|
rectItem->show();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
template <typename K>
|
|
void
|
|
GraphicsViewIsoRectangleInput<K>::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
// todo: only do this if no modifiers are pressed at the same time
|
|
if(rectItem->isVisible()) {
|
|
rectItem->setRect(QRectF(rect_first_point,
|
|
event->scenePos()));
|
|
}
|
|
}
|
|
|
|
|
|
template <typename K>
|
|
void
|
|
GraphicsViewIsoRectangleInput<K>::keyPressEvent ( QKeyEvent * event )
|
|
{
|
|
}
|
|
|
|
|
|
|
|
template <typename K>
|
|
bool
|
|
GraphicsViewIsoRectangleInput<K>::eventFilter(QObject *obj, QEvent *event)
|
|
{
|
|
if (event->type() == QEvent::GraphicsSceneMousePress) {
|
|
QGraphicsSceneMouseEvent *mouseEvent = static_cast<QGraphicsSceneMouseEvent *>(event);
|
|
mousePressEvent(mouseEvent);
|
|
return true;
|
|
} else if (event->type() == QEvent::GraphicsSceneMouseMove) {
|
|
QGraphicsSceneMouseEvent *mouseEvent = static_cast<QGraphicsSceneMouseEvent *>(event);
|
|
mouseMoveEvent(mouseEvent);
|
|
return true;
|
|
} else if (event->type() == QEvent::KeyPress) {
|
|
QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
|
|
keyPressEvent(keyEvent);
|
|
return true;
|
|
} else{
|
|
// standard event processing
|
|
return QObject::eventFilter(obj, event);
|
|
}
|
|
}
|
|
|
|
} // namespace Qt
|
|
|
|
} // namespace CGAL
|
|
|
|
#endif // CGAL_QT_GRAPHICS_VIEW_ISO_RECTANGLE_INPUT_H
|