38be0d1383
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
163 lines
4.3 KiB
C++
163 lines
4.3 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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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: 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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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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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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