1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
// Copyright (c) 2012 Tel-Aviv University (Israel).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1.1/Arrangement_on_surface_2/include/CGAL/Qt/GraphicsViewPointInput.h $
// $Id: include/CGAL/Qt/GraphicsViewPointInput.h 08b27d3db14 $
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
#ifndef CGAL_QT_GRAPHICS_VIEW_POINT_INPUT_H
#define CGAL_QT_GRAPHICS_VIEW_POINT_INPUT_H
#include <CGAL/license/Arrangement_on_surface_2.h>
#include <CGAL/Qt/GraphicsViewInput.h>
#include <QEvent>
#include <QGraphicsSceneMouseEvent>
#include <iostream>
namespace CGAL {
namespace Qt {
template < class K >
class GraphicsViewPointInput: public GraphicsViewInput
{
public:
typedef typename K::Point_2 Point;
GraphicsViewPointInput( QObject* parent );
protected:
void mousePressEvent( QGraphicsSceneMouseEvent* event );
void mouseReleaseEvent( QGraphicsSceneMouseEvent* event );
bool eventFilter( QObject* obj, QEvent* event );
Converter< K > convert;
Point point;
}; // class GraphicsViewPointInput
template < class K >
GraphicsViewPointInput< K >::
GraphicsViewPointInput( QObject* parent ):
GraphicsViewInput( parent )
{
}
template < class K >
void
GraphicsViewPointInput< K >::
mousePressEvent( QGraphicsSceneMouseEvent* event )
{
std::cout << event->pos( ).x( ) << std::endl;
this->point = this->convert( event->scenePos( ) );
}
template < class K >
void
GraphicsViewPointInput< K >::
mouseReleaseEvent( QGraphicsSceneMouseEvent* event )
{
emit generate( CGAL::make_object( this->point ) );
}
template < class K >
bool
GraphicsViewPointInput< K >::
eventFilter( QObject* obj, QEvent* event )
{
if ( event->type( ) == QEvent::GraphicsSceneMousePress )
{
QGraphicsSceneMouseEvent* mouseEvent =
static_cast< QGraphicsSceneMouseEvent* >( event );
this->mousePressEvent( mouseEvent );
}
else if ( event->type( ) == QEvent::GraphicsSceneMouseRelease )
{
QGraphicsSceneMouseEvent* mouseEvent =
static_cast< QGraphicsSceneMouseEvent* >( event );
this->mouseReleaseEvent( mouseEvent );
}
return QObject::eventFilter( obj, event );
}
} // namespace Qt
} // namespace CGAL
#endif // CGAL_QT_GRAPHICS_VIEW_POINT_INPUT_H
|
