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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef HOVERPOINTS_H
#define HOVERPOINTS_H
#include <QtGui>
QT_FORWARD_DECLARE_CLASS(QBypassWidget)
class HoverPoints : public QObject
{
Q_OBJECT
public:
enum PointShape {
CircleShape,
RectangleShape
};
enum LockType {
LockToLeft = 0x01,
LockToRight = 0x02,
LockToTop = 0x04,
LockToBottom = 0x08
};
enum SortType {
NoSort,
XSort,
YSort
};
enum ConnectionType {
NoConnection,
LineConnection,
CurveConnection
};
HoverPoints(QWidget *widget, PointShape shape);
bool eventFilter(QObject *object, QEvent *event);
void paintPoints();
inline QRectF boundingRect() const;
void setBoundingRect(const QRectF &boundingRect) { m_bounds = boundingRect; }
QPolygonF points() const { return m_points; }
void setPoints(const QPolygonF &points);
QSizeF pointSize() const { return m_pointSize; }
void setPointSize(const QSizeF &size) { m_pointSize = size; }
SortType sortType() const { return m_sortType; }
void setSortType(SortType sortType) { m_sortType = sortType; }
ConnectionType connectionType() const { return m_connectionType; }
void setConnectionType(ConnectionType connectionType) { m_connectionType = connectionType; }
void setConnectionPen(const QPen &pen) { m_connectionPen = pen; }
void setShapePen(const QPen &pen) { m_pointPen = pen; }
void setShapeBrush(const QBrush &brush) { m_pointBrush = brush; }
void setPointLock(int pos, LockType lock) { m_locks[pos] = lock; }
void setEditable(bool editable) { m_editable = editable; }
bool editable() const { return m_editable; }
public slots:
void setEnabled(bool enabled);
void setDisabled(bool disabled) { setEnabled(!disabled); }
signals:
void pointsChanged(const QPolygonF &points);
public:
void firePointChange();
private:
inline QRectF pointBoundingRect(int i) const;
void movePoint(int i, const QPointF &newPos, bool emitChange = true);
QWidget *m_widget;
QPolygonF m_points;
QRectF m_bounds;
PointShape m_shape;
SortType m_sortType;
ConnectionType m_connectionType;
QVector<uint> m_locks;
QSizeF m_pointSize;
int m_currentIndex;
bool m_editable;
bool m_enabled;
QHash<int, int> m_fingerPointMapping;
QPen m_pointPen;
QBrush m_pointBrush;
QPen m_connectionPen;
};
inline QRectF HoverPoints::pointBoundingRect(int i) const
{
QPointF p = m_points.at(i);
qreal w = m_pointSize.width();
qreal h = m_pointSize.height();
qreal x = p.x() - w / 2;
qreal y = p.y() - h / 2;
return QRectF(x, y, w, h);
}
inline QRectF HoverPoints::boundingRect() const
{
if (m_bounds.isEmpty())
return m_widget->rect();
else
return m_bounds;
}
#endif // HOVERPOINTS_H
|
