f9f395c28b
Updated version of LGPL and FDL licenseheaders. Apply release phase licenseheaders for all source files. Reviewed-by: Trust Me
163 lines
4.5 KiB
C++
163 lines
4.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the demonstration applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef HOVERPOINTS_H
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#define HOVERPOINTS_H
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#include <QtGui>
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QT_FORWARD_DECLARE_CLASS(QBypassWidget)
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class HoverPoints : public QObject
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{
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Q_OBJECT
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public:
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enum PointShape {
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CircleShape,
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RectangleShape
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};
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enum LockType {
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LockToLeft = 0x01,
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LockToRight = 0x02,
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LockToTop = 0x04,
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LockToBottom = 0x08
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};
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enum SortType {
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NoSort,
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XSort,
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YSort
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};
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enum ConnectionType {
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NoConnection,
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LineConnection,
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CurveConnection
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};
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HoverPoints(QWidget *widget, PointShape shape);
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bool eventFilter(QObject *object, QEvent *event);
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void paintPoints();
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inline QRectF boundingRect() const;
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void setBoundingRect(const QRectF &boundingRect) { m_bounds = boundingRect; }
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QPolygonF points() const { return m_points; }
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void setPoints(const QPolygonF &points);
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QSizeF pointSize() const { return m_pointSize; }
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void setPointSize(const QSizeF &size) { m_pointSize = size; }
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SortType sortType() const { return m_sortType; }
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void setSortType(SortType sortType) { m_sortType = sortType; }
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ConnectionType connectionType() const { return m_connectionType; }
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void setConnectionType(ConnectionType connectionType) { m_connectionType = connectionType; }
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void setConnectionPen(const QPen &pen) { m_connectionPen = pen; }
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void setShapePen(const QPen &pen) { m_pointPen = pen; }
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void setShapeBrush(const QBrush &brush) { m_pointBrush = brush; }
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void setPointLock(int pos, LockType lock) { m_locks[pos] = lock; }
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void setEditable(bool editable) { m_editable = editable; }
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bool editable() const { return m_editable; }
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public slots:
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void setEnabled(bool enabled);
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void setDisabled(bool disabled) { setEnabled(!disabled); }
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signals:
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void pointsChanged(const QPolygonF &points);
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public:
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void firePointChange();
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private:
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inline QRectF pointBoundingRect(int i) const;
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void movePoint(int i, const QPointF &newPos, bool emitChange = true);
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QWidget *m_widget;
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QPolygonF m_points;
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QRectF m_bounds;
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PointShape m_shape;
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SortType m_sortType;
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ConnectionType m_connectionType;
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QVector<uint> m_locks;
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QSizeF m_pointSize;
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int m_currentIndex;
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bool m_editable;
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bool m_enabled;
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QHash<int, int> m_fingerPointMapping;
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QPen m_pointPen;
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QBrush m_pointBrush;
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QPen m_connectionPen;
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};
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inline QRectF HoverPoints::pointBoundingRect(int i) const
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{
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QPointF p = m_points.at(i);
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qreal w = m_pointSize.width();
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qreal h = m_pointSize.height();
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qreal x = p.x() - w / 2;
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qreal y = p.y() - h / 2;
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return QRectF(x, y, w, h);
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}
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inline QRectF HoverPoints::boundingRect() const
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{
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if (m_bounds.isEmpty())
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return m_widget->rect();
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else
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return m_bounds;
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}
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#endif // HOVERPOINTS_H
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