formeditoritem.h 4.12 KB
Newer Older
hjk's avatar
hjk committed
1
/****************************************************************************
2
**
3
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
hjk's avatar
hjk committed
4
** Contact: http://www.qt-project.org/legal
5
**
hjk's avatar
hjk committed
6
** This file is part of Qt Creator.
7
**
hjk's avatar
hjk committed
8 9 10 11 12 13 14
** 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.
15 16
**
** GNU Lesser General Public License Usage
hjk's avatar
hjk committed
17 18 19 20 21 22
** 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.
23
**
hjk's avatar
hjk committed
24 25
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
con's avatar
con committed
26 27
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
hjk's avatar
hjk committed
28
****************************************************************************/
29 30 31 32 33 34 35 36 37

#ifndef FORMEDITORITEM_H
#define FORMEDITORITEM_H

#include <QWeakPointer>
#include <QGraphicsWidget>
#include <qmlitemnode.h>
#include "snappinglinecreator.h"

38
QT_BEGIN_NAMESPACE
39
class QTimeLine;
40
QT_END_NAMESPACE
41 42 43 44 45 46 47 48 49 50 51 52

namespace QmlDesigner {

class FormEditorScene;
class FormEditorView;
class AbstractFormEditorTool;

namespace Internal {
    class GraphicItemResizer;
    class MoveController;
}

53
class QMLDESIGNERCORE_EXPORT FormEditorItem : public QGraphicsObject
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
{
    Q_OBJECT

    friend class QmlDesigner::FormEditorScene;
public:
    ~FormEditorItem();

    void paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget = 0 );

    bool isContainer() const;
    QmlItemNode qmlItemNode() const;


    enum { Type = UserType + 0xfffa };

    int type() const;

    static FormEditorItem* fromQGraphicsItem(QGraphicsItem *graphicsItem);

    void updateSnappingLines(const QList<FormEditorItem*> &exceptionList,
                             FormEditorItem *transformationSpaceItem);

    SnapLineMap topSnappingLines() const;
    SnapLineMap bottomSnappingLines() const;
    SnapLineMap leftSnappingLines() const;
    SnapLineMap rightSnappingLines() const;
    SnapLineMap horizontalCenterSnappingLines() const;
    SnapLineMap verticalCenterSnappingLines() const;

    SnapLineMap topSnappingOffsets() const;
    SnapLineMap bottomSnappingOffsets() const;
    SnapLineMap leftSnappingOffsets() const;
    SnapLineMap rightSnappingOffsets() const;

    QList<FormEditorItem*> childFormEditorItems() const;
    FormEditorScene *scene() const;
    FormEditorItem *parentItem() const;

    QRectF boundingRect() const;

    void updateGeometry();
    void updateVisibilty();

    void showAttention();

    FormEditorView *formEditorView() const;

101 102
    void setHighlightBoundingRect(bool highlight);

103 104 105
    void setContentVisible(bool visible);
    bool isContentVisible() const;

106 107 108
    bool isFormEditorVisible() const;
    void setFormEditorVisible(bool isVisible);

109 110 111
protected:
    AbstractFormEditorTool* tool() const;
    void paintBoundingRect(QPainter *painter) const;
112
    void paintPlaceHolderForInvisbleItem(QPainter *painter) const;
113 114 115 116 117 118 119 120 121 122 123

private: // functions
    FormEditorItem(const QmlItemNode &qmlItemNode, FormEditorScene* scene);
    void setup();

private: // variables
    SnappingLineCreator m_snappingLineCreator;
    QmlItemNode m_qmlItemNode;
    QWeakPointer<QTimeLine> m_attentionTimeLine;
    QTransform m_inverseAttentionTransform;
    QRectF m_boundingRect;
124
    QRectF m_paintedBoundingRect;
125
    double m_borderWidth;
126
    bool m_highlightBoundingRect;
127
    bool m_isContentVisible;
128
    bool m_isFormEditorVisible;
129 130 131 132 133 134 135 136 137 138 139
};


inline int FormEditorItem::type() const
{
    return UserType + 0xfffa;
}

}

#endif // FORMEDITORITEM_H