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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#ifndef HSWIDGETPOSITIONINGONWIDGETMOVE_H
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#define HSWIDGETPOSITIONINGONWIDGETMOVE_H
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#include <QVariantHash>
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#include <QList>
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#include <QRectF>
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#include <QPointF>
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#include <QLineF>
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#include "hsutils_global.h"
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#include "hstest_global.h"
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HOMESCREEN_TEST_CLASS(t_hsUtils)
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class HSUTILS_EXPORT HsWidgetPositioningOnWidgetMove
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{
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public:
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class Result
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{
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public:
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Result() : hasHorizontalSnap(false), hasVerticalSnap(false),
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horizontalSnapPosition(0.0), verticalSnapPosition(0.0)
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{ }
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bool isNull() const
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{ return !hasHorizontalSnap && !hasVerticalSnap; }
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bool hasHorizontalSnap;
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bool hasVerticalSnap;
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qreal horizontalSnapPosition;
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qreal verticalSnapPosition;
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QLineF verticalSnapLine;
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QLineF horizontalSnapLine;
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};
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virtual ~HsWidgetPositioningOnWidgetMove() {}
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virtual void setConfiguration(const QVariantHash &configuration) = 0;
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virtual void setPagePresentation(const QRectF &containerRect,
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const QList<QRectF> &inactiveRects,
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const QRectF &activeRect) = 0;
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virtual Result run(const QRectF &movingRect) = 0;
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static void setInstance(HsWidgetPositioningOnWidgetMove *instance);
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static HsWidgetPositioningOnWidgetMove *instance();
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private:
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static HsWidgetPositioningOnWidgetMove *mInstance;
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};
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class HsSnapRectangle
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{
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public:
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HsSnapRectangle() : rectangle(QRectF())
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{ }
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HsSnapRectangle(QRectF rect) : rectangle(rect), isLeftSnapableForAbove(true), isLeftSnapableForBelow(true),
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isRightSnapableForAbove(true), isRightSnapableForBelow(true),
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isTopSnapableForLeft(true), isTopSnapableForRight(true),
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isBottomSnapableForLeft(true), isBottomSnapableForRight(true)
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{ }
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QRectF rectangle;
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bool isLeftSnapableForAbove;
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bool isLeftSnapableForBelow;
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bool isRightSnapableForAbove;
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bool isRightSnapableForBelow;
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bool isTopSnapableForLeft;
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bool isTopSnapableForRight;
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bool isBottomSnapableForLeft;
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bool isBottomSnapableForRight;
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};
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class HSUTILS_EXPORT HsSnapToLines : public HsWidgetPositioningOnWidgetMove
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{
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public:
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HsSnapToLines();
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void setConfiguration(const QVariantHash &configuration);
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void setPagePresentation(const QRectF &containerRect,
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const QList<QRectF> &inactiveRects,
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const QRectF &activeRect);
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Result run(const QRectF &movingRect);
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private:
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void createSnappableRectangles(const QList<QRectF> &inactiveRects);
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void checkForCenterSnapping();
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void checkInactiveRectLieAboveOrBelowOfMovingRect();
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void compareLeftSideOfMovingRectForSnapping();
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void compareRightSideOfMovingRectForSnapping();
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void checkInactiveRectLieLeftOrRightOfMovingRect();
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void compareTopOfMovingRectForSnapping();
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void compareBottomOfMovingRectForSnapping();
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void extendVerticalLine();
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void extendHorizontalLine();
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void checkInactiveRectPositionToVerticalLine();
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void extendVerticalLineToIncludeInactiveRect();
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void checkInactiveRectPositionToHorizontalLine();
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void extendHorizontalLineToIncludeInactiveRect();
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private: //data
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QRectF mContainerRect;
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qreal mActiveRectWidth;
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qreal mActiveRectHeight;
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QList<HsSnapRectangle> mInactiveSnapRects;
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QRectF mInactiveRectToCompare;
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HsSnapRectangle mInactiveSnapRectToCompare;
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QRectF mMovingRect;
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qreal mHorizontalSnapPosition;
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qreal mVerticalSnapPosition;
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bool mHorizontalSnapFound;
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QLineF mVerticalLine;
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bool mVerticalSnapFound;
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QLineF mHorizontalLine;
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bool mRectLieAbove;
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bool mLeftInRange;
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bool mRightInRange;
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qreal mMinVerticalEdgesDistance;
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qreal mVerticalDistance;
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qreal mVerticalDistanceFromSelectedRect;
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qreal mContainerVerticalEdgeDistance;
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bool mRectLieLeft;
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bool mTopInRange;
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bool mBottomInRange;
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qreal mMinHorizontalEdgesDistance;
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qreal mHorizontalDistance;
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qreal mHorizontalDistanceFromSelectedRect;
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qreal mContainerHorizontalEdgeDistance;
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bool mSnapEnabled;
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qreal mSnapForce;
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qreal mSnapGap;
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bool mRectVerticalEdgeLiesInLineWithVerticalLine;
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bool mRectLieAboveVerticalLine;
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bool mRectLieBelowVerticalLine;
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bool mRectHorizontalEdgeLiesInLineWithHorizontalLine;
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bool mRectLieLeftOfHorizontalLine;
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bool mRectLiesRightOfHorizontalLine;
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HOMESCREEN_TEST_FRIEND_CLASS(t_hsUtils)
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};
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#endif // HSWIDGETPOSITIONINGONWIDGETMOVE_H
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