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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "rotationhandleitem.h"
#include <QPainter>
#include <QDebug>
namespace QmlDesigner {
RotationHandleItem::RotationHandleItem(QGraphicsItem *parent, const RotationController &rotationController)
: QGraphicsItem(parent)
, m_weakRotationController(rotationController.toWeakRotationController())
{
setFlag(QGraphicsItem::ItemIsMovable, true);
setFlag(QGraphicsItem::ItemIgnoresTransformations, true);
setAcceptedMouseButtons(Qt::NoButton);
}
RotationHandleItem::~RotationHandleItem() = default;
void RotationHandleItem::setHandlePosition(const QPointF & globalPosition, const QPointF & itemSpacePosition, const qreal rotation)
{
m_itemSpacePosition = itemSpacePosition;
setRotation(rotation);
setPos(globalPosition);
}
QRectF RotationHandleItem::boundingRect() const
{
QRectF rectangle;
if (isTopLeftHandle()) {
rectangle = { -30., -30., 27., 27.};
}
else if (isTopRightHandle()) {
rectangle = { 3., -30., 27., 27.};
}
else if (isBottomLeftHandle()) {
rectangle = { -30., 3., 27., 27.};
}
else if (isBottomRightHandle()) {
rectangle = { 3., 3., 27., 27.};
}
return rectangle;
}
void RotationHandleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem * /* option */, QWidget * /* widget */)
{
painter->save();
QPen pen = painter->pen();
pen.setWidth(1);
pen.setCosmetic(true);
painter->setPen(pen);
painter->setRenderHint(QPainter::Antialiasing, false);
painter->setBrush(QColor(255, 255, 255));
painter->drawRect(QRectF(-3., -3., 5., 5.));
painter->restore();
}
RotationController RotationHandleItem::rotationController() const
{
return RotationController(m_weakRotationController.toRotationController());
}
RotationHandleItem* RotationHandleItem::fromGraphicsItem(QGraphicsItem *item)
{
return qgraphicsitem_cast<RotationHandleItem*>(item);
}
bool RotationHandleItem::isTopLeftHandle() const
{
return rotationController().isTopLeftHandle(this);
}
bool RotationHandleItem::isTopRightHandle() const
{
return rotationController().isTopRightHandle(this);
}
bool RotationHandleItem::isBottomLeftHandle() const
{
return rotationController().isBottomLeftHandle(this);
}
bool RotationHandleItem::isBottomRightHandle() const
{
return rotationController().isBottomRightHandle(this);
}
QPointF RotationHandleItem::itemSpacePosition() const
{
return m_itemSpacePosition;
}
}
|
