forked from qt-creator/qt-creator
103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
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/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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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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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#ifndef SNAPPINGLINECREATOR_H
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#define SNAPPINGLINECREATOR_H
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#include "layeritem.h"
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#include <QPair>
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namespace QmlDesigner {
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class FormEditorItem;
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typedef QMultiMap<double, QPair<QRectF, FormEditorItem*> > SnapLineMap;
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typedef QMapIterator<double, QPair<QRectF, FormEditorItem*> > SnapLineMapIterator;
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class FormEditorItem;
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class SnappingLineCreator
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{
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public:
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SnappingLineCreator(FormEditorItem *formEditorItem);
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void update(const QList<FormEditorItem*> &exceptionList,
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FormEditorItem *transformationSpaceItem);
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SnapLineMap topLines() const;
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SnapLineMap bottomLines() const;
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SnapLineMap leftLines() const;
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SnapLineMap rightLines() const;
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SnapLineMap horizontalCenterLines() const;
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SnapLineMap verticalCenterLines() const;
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SnapLineMap topOffsets() const;
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SnapLineMap bottomOffsets() const;
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SnapLineMap leftOffsets() const;
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SnapLineMap rightOffsets() const;
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void setMargins(double margin);
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void setSpacing(double spacing);
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protected:
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void addLines(const QRectF &rectInSceneSpace, FormEditorItem *item);
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void addOffsets(const QRectF &rectInSceneSpace, FormEditorItem *item);
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void clearLines();
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void generateLines(const QList<FormEditorItem*> &exceptionList,
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FormEditorItem *transformationSpaceItem);
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private:
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SnapLineMap m_topLineMap;
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SnapLineMap m_bottomLineMap;
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SnapLineMap m_leftLineMap;
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SnapLineMap m_rightLineMap;
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SnapLineMap m_horizontalCenterLineMap;
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SnapLineMap m_verticalCenterLineMap;
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SnapLineMap m_topOffsetMap;
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SnapLineMap m_bottomOffsetMap;
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SnapLineMap m_leftOffsetMap;
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SnapLineMap m_rightOffsetMap;
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FormEditorItem *m_formEditorItem;
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double m_topOffset;
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double m_bottomOffset;
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double m_leftOffset;
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double m_rightOffset;
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double m_topMargin;
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double m_bottomMargin;
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double m_leftMargin;
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double m_rightMargin;
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};
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}
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#endif // SNAPPINGLINECREATOR_H
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