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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QFXANCHORS_H
#define QFXANCHORS_H
#include <qfxglobal.h>
#include <QObject>
#include <qml.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class QFxItem;
class QFxAnchorsPrivate;
class QFxAnchorLine
{
public:
QFxAnchorLine() : item(0), anchorLine(Left)
{
}
enum AnchorLine {
Left = 0x01,
Right = 0x02,
Top = 0x04,
Bottom = 0x08,
HCenter = 0x10,
VCenter = 0x20,
Baseline = 0x40,
Horizontal_Mask = Left | Right | HCenter,
Vertical_Mask = Top | Bottom | VCenter | Baseline
};
QFxItem *item;
AnchorLine anchorLine;
};
Q_DECLARE_METATYPE(QFxAnchorLine);
class Q_DECLARATIVE_EXPORT QFxAnchors : public QObject
{
Q_OBJECT
Q_PROPERTY(QFxAnchorLine left READ left WRITE setLeft RESET resetLeft);
Q_PROPERTY(QFxAnchorLine right READ right WRITE setRight RESET resetRight);
Q_PROPERTY(QFxAnchorLine horizontalCenter READ horizontalCenter WRITE setHorizontalCenter RESET resetHorizontalCenter);
Q_PROPERTY(QFxAnchorLine top READ top WRITE setTop RESET resetTop);
Q_PROPERTY(QFxAnchorLine bottom READ bottom WRITE setBottom RESET resetBottom);
Q_PROPERTY(QFxAnchorLine verticalCenter READ verticalCenter WRITE setVerticalCenter RESET resetVerticalCenter);
Q_PROPERTY(int leftMargin READ leftMargin WRITE setLeftMargin NOTIFY leftMarginChanged);
Q_PROPERTY(int rightMargin READ rightMargin WRITE setRightMargin NOTIFY rightMarginChanged);
Q_PROPERTY(int horizontalCenterOffset READ horizontalCenterOffset WRITE setHorizontalCenterOffset NOTIFY horizontalCenterOffsetChanged());
Q_PROPERTY(int topMargin READ topMargin WRITE setTopMargin NOTIFY topMarginChanged);
Q_PROPERTY(int bottomMargin READ bottomMargin WRITE setBottomMargin NOTIFY bottomMarginChanged);
Q_PROPERTY(int verticalCenterOffset READ verticalCenterOffset WRITE setVerticalCenterOffset NOTIFY verticalCenterOffsetChanged());
Q_PROPERTY(QFxItem *fill READ fill WRITE setFill);
Q_PROPERTY(QFxItem *centeredIn READ centeredIn WRITE setCenteredIn);
public:
QFxAnchors(QObject *parent=0);
enum UsedAnchor {
HasLeftAnchor = 0x01,
HasRightAnchor = 0x02,
HasTopAnchor = 0x04,
HasBottomAnchor = 0x08,
HasHCenterAnchor = 0x10,
HasVCenterAnchor = 0x20,
HasBaselineAnchor = 0x40,
Horizontal_Mask = HasLeftAnchor | HasRightAnchor | HasHCenterAnchor,
Vertical_Mask = HasTopAnchor | HasBottomAnchor | HasVCenterAnchor | HasBaselineAnchor
};
Q_DECLARE_FLAGS(UsedAnchors, UsedAnchor);
QFxAnchorLine left() const;
void setLeft(const QFxAnchorLine &edge);
Q_INVOKABLE void resetLeft(); //### temporarily invokable for testing
QFxAnchorLine right() const;
void setRight(const QFxAnchorLine &edge);
void resetRight();
QFxAnchorLine horizontalCenter() const;
void setHorizontalCenter(const QFxAnchorLine &edge);
void resetHorizontalCenter();
QFxAnchorLine top() const;
void setTop(const QFxAnchorLine &edge);
void resetTop();
QFxAnchorLine bottom() const;
void setBottom(const QFxAnchorLine &edge);
void resetBottom();
QFxAnchorLine verticalCenter() const;
void setVerticalCenter(const QFxAnchorLine &edge);
void resetVerticalCenter();
int leftMargin() const;
void setLeftMargin(int);
int rightMargin() const;
void setRightMargin(int);
int horizontalCenterOffset() const;
void setHorizontalCenterOffset(int);
int topMargin() const;
void setTopMargin(int);
int bottomMargin() const;
void setBottomMargin(int);
int verticalCenterOffset() const;
void setVerticalCenterOffset(int);
QFxItem *fill() const;
void setFill(QFxItem *);
QFxItem *centeredIn() const;
void setCenteredIn(QFxItem *);
UsedAnchors usedAnchors() const;
void setItem(QFxItem *item);
void connectHAnchors();
void connectVAnchors();
Q_SIGNALS:
void leftMarginChanged();
void rightMarginChanged();
void topMarginChanged();
void bottomMarginChanged();
void verticalCenterOffsetChanged();
void horizontalCenterOffsetChanged();
private Q_SLOTS:
void fillChanged();
void updateHorizontalAnchors();
void updateVerticalAnchors();
private:
//### should item be a friend? (and make some of the public methods private or protected)
Q_DISABLE_COPY(QFxAnchors)
Q_DECLARE_PRIVATE(QFxAnchors)
};
QML_DECLARE_TYPE(QFxAnchors);
QT_END_NAMESPACE
QT_END_HEADER
#endif
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