2011-04-27 10:05:43 +00:00
|
|
|
/****************************************************************************
|
|
|
|
**
|
2015-01-28 08:44:43 +00:00
|
|
|
** Copyright (C) 2015 The Qt Company Ltd.
|
|
|
|
** Contact: http://www.qt.io/licensing/
|
2011-04-27 10:05:43 +00:00
|
|
|
**
|
|
|
|
** This file is part of the demonstration applications of the Qt Toolkit.
|
|
|
|
**
|
2014-08-21 13:51:22 +00:00
|
|
|
** $QT_BEGIN_LICENSE:LGPL21$
|
2012-09-19 12:28:29 +00:00
|
|
|
** 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
|
2015-01-28 08:44:43 +00:00
|
|
|
** a written agreement between you and The Qt Company. For licensing terms
|
|
|
|
** and conditions see http://www.qt.io/terms-conditions. For further
|
|
|
|
** information use the contact form at http://www.qt.io/contact-us.
|
2012-09-19 12:28:29 +00:00
|
|
|
**
|
2011-04-27 10:05:43 +00:00
|
|
|
** GNU Lesser General Public License Usage
|
2012-09-19 12:28:29 +00:00
|
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
2014-08-21 13:51:22 +00:00
|
|
|
** General Public License version 2.1 or version 3 as published by the Free
|
|
|
|
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
|
|
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
|
|
** following information to ensure the GNU Lesser General Public License
|
|
|
|
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
|
|
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
2011-04-27 10:05:43 +00:00
|
|
|
**
|
2015-01-28 08:44:43 +00:00
|
|
|
** As a special exception, The Qt Company gives you certain additional
|
|
|
|
** rights. These rights are described in The Qt Company LGPL Exception
|
2011-04-27 10:05:43 +00:00
|
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
|
|
**
|
|
|
|
** $QT_END_LICENSE$
|
|
|
|
**
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
#ifndef HOVERPOINTS_H
|
|
|
|
#define HOVERPOINTS_H
|
|
|
|
|
2011-05-08 07:13:40 +00:00
|
|
|
#include <QtWidgets>
|
2011-04-27 10:05:43 +00:00
|
|
|
|
|
|
|
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);
|
|
|
|
|
2014-07-14 07:13:02 +00:00
|
|
|
bool eventFilter(QObject *object, QEvent *event) Q_DECL_OVERRIDE;
|
2011-04-27 10:05:43 +00:00
|
|
|
|
|
|
|
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
|