qdeclarativestateoperations_p.h

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** This file is part of the QtDeclarative module of the Qt Toolkit.
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#ifndef QDECLARATIVESTATEOPERATIONS_H
#define QDECLARATIVESTATEOPERATIONS_H

#include "private/qdeclarativestate_p.h"

#include <qdeclarativeitem.h>
#include <private/qdeclarativeanchors_p.h>
#include <qdeclarativescriptstring.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)

#ifdef Q_OS_WINCE
// qgraphicsitem.h includes qfunctions_wince.h.
// qfunctions_wince.h defines a missing posix rewind for WinCE,
// but this conflicts with rewind method defined in this class.
// As a workaround we undefine WinCE posix replacement for rewind here.
# undef rewind
#endif

class QDeclarativeParentChangePrivate;
class Q_DECLARATIVE_PRIVATE_EXPORT QDeclarativeParentChange : public QDeclarativeStateOperation, public QDeclarativeActionEvent
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QDeclarativeParentChange)

    QDeclarativeItem *target;
    QDeclarativeItem *parent;
    QDeclarativeScriptString x;
    QDeclarativeScriptString y;
    QDeclarativeScriptString width;
    QDeclarativeScriptString height;
    QDeclarativeScriptString scale;
    QDeclarativeScriptString rotation;
public:
    QDeclarativeParentChange(QObject *parent=0);
    ~QDeclarativeParentChange();

    QDeclarativeItem *object() const;
    void setObject(QDeclarativeItem *);

    QDeclarativeItem *parent() const;
    void setParent(QDeclarativeItem *);

    QDeclarativeItem *originalParent() const;

    QDeclarativeScriptString x() const;
    void setX(QDeclarativeScriptString x);
    bool xIsSet() const;

    QDeclarativeScriptString y() const;
    void setY(QDeclarativeScriptString y);
    bool yIsSet() const;

    QDeclarativeScriptString width() const;
    void setWidth(QDeclarativeScriptString width);
    bool widthIsSet() const;

    QDeclarativeScriptString height() const;
    void setHeight(QDeclarativeScriptString height);
    bool heightIsSet() const;

    QDeclarativeScriptString scale() const;
    void setScale(QDeclarativeScriptString scale);
    bool scaleIsSet() const;

    QDeclarativeScriptString rotation() const;
    void setRotation(QDeclarativeScriptString rotation);
    bool rotationIsSet() const;

    virtual ActionList actions();

    virtual void saveOriginals();
    //virtual void copyOriginals(QDeclarativeActionEvent*);
    virtual void execute(Reason reason = ActualChange);
    virtual bool isReversable();
    virtual void reverse(Reason reason = ActualChange);
    virtual QString typeName() const;
    virtual bool override(QDeclarativeActionEvent*other);
    virtual void rewind();
    virtual void saveCurrentValues();
};

class QDeclarativeStateChangeScriptPrivate;
class Q_AUTOTEST_EXPORT QDeclarativeStateChangeScript : public QDeclarativeStateOperation, public QDeclarativeActionEvent
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QDeclarativeStateChangeScript)

    QDeclarativeScriptString script;
    QString name;

public:
    QDeclarativeStateChangeScript(QObject *parent=0);
    ~QDeclarativeStateChangeScript();

    virtual ActionList actions();

    virtual QString typeName() const;

    QDeclarativeScriptString script() const;
    void setScript(const QDeclarativeScriptString &);
    
    QString name() const;
    void setName(const QString &);

    virtual void execute(Reason reason = ActualChange);
};

class QDeclarativeAnchorChanges;
class QDeclarativeAnchorSetPrivate;
class Q_AUTOTEST_EXPORT QDeclarativeAnchorSet : public QObject
{
    Q_OBJECT

    QDeclarativeScriptString left;
    QDeclarativeScriptString right;
    QDeclarativeScriptString horizontalCenter;
    QDeclarativeScriptString top;
    QDeclarativeScriptString bottom;
    QDeclarativeScriptString verticalCenter;
    QDeclarativeScriptString baseline;
    //QDeclarativeItem *fill;
    //QDeclarativeItem *centerIn;

    /*qreal margins;
    qreal leftMargin;
    qreal rightMargin;
    qreal horizontalCenterOffset;)
    qreal topMargin;
    qreal bottomMargin;
    qreal verticalCenterOffset;)
    qreal baselineOffset;)*/

public:
    QDeclarativeAnchorSet(QObject *parent=0);
    virtual ~QDeclarativeAnchorSet();

    QDeclarativeScriptString left() const;
    void setLeft(const QDeclarativeScriptString &edge);
    void resetLeft();

    QDeclarativeScriptString right() const;
    void setRight(const QDeclarativeScriptString &edge);
    void resetRight();

    QDeclarativeScriptString horizontalCenter() const;
    void setHorizontalCenter(const QDeclarativeScriptString &edge);
    void resetHorizontalCenter();

    QDeclarativeScriptString top() const;
    void setTop(const QDeclarativeScriptString &edge);
    void resetTop();

    QDeclarativeScriptString bottom() const;
    void setBottom(const QDeclarativeScriptString &edge);
    void resetBottom();

    QDeclarativeScriptString verticalCenter() const;
    void setVerticalCenter(const QDeclarativeScriptString &edge);
    void resetVerticalCenter();

    QDeclarativeScriptString baseline() const;
    void setBaseline(const QDeclarativeScriptString &edge);
    void resetBaseline();

    QDeclarativeItem *fill() const;
    void setFill(QDeclarativeItem *);
    void resetFill();

    QDeclarativeItem *centerIn() const;
    void setCenterIn(QDeclarativeItem *);
    void resetCenterIn();

    /*qreal leftMargin() const;
    void setLeftMargin(qreal);

    qreal rightMargin() const;
    void setRightMargin(qreal);

    qreal horizontalCenterOffset() const;
    void setHorizontalCenterOffset(qreal);

    qreal topMargin() const;
    void setTopMargin(qreal);

    qreal bottomMargin() const;
    void setBottomMargin(qreal);

    qreal margins() const;
    void setMargins(qreal);

    qreal verticalCenterOffset() const;
    void setVerticalCenterOffset(qreal);

    qreal baselineOffset() const;
    void setBaselineOffset(qreal);*/

    QDeclarativeAnchors::Anchors usedAnchors() const;

/*Q_SIGNALS:
    void leftMarginChanged();
    void rightMarginChanged();
    void topMarginChanged();
    void bottomMarginChanged();
    void marginsChanged();
    void verticalCenterOffsetChanged();
    void horizontalCenterOffsetChanged();
    void baselineOffsetChanged();*/

private:
    friend class QDeclarativeAnchorChanges;
    Q_DISABLE_COPY(QDeclarativeAnchorSet)
    Q_DECLARE_PRIVATE(QDeclarativeAnchorSet)
};

class QDeclarativeAnchorChangesPrivate;
class Q_DECLARATIVE_PRIVATE_EXPORT QDeclarativeAnchorChanges : public QDeclarativeStateOperation, public QDeclarativeActionEvent
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QDeclarativeAnchorChanges)

    QDeclarativeItem *target;
    QDeclarativeAnchorSet *anchors;

public:
    QDeclarativeAnchorChanges(QObject *parent=0);
    ~QDeclarativeAnchorChanges();

    virtual ActionList actions();

    QDeclarativeAnchorSet *anchors();

    QDeclarativeItem *object() const;
    void setObject(QDeclarativeItem *);

    virtual void execute(Reason reason = ActualChange);
    virtual bool isReversable();
    virtual void reverse(Reason reason = ActualChange);
    virtual QString typeName() const;
    virtual bool override(QDeclarativeActionEvent*other);
    virtual bool changesBindings();
    virtual void saveOriginals();
    virtual bool needsCopy() { return true; }
    virtual void copyOriginals(QDeclarativeActionEvent*);
    virtual void clearBindings();
    virtual void rewind();
    virtual void saveCurrentValues();

    QList<QDeclarativeAction> additionalActions();
    virtual void saveTargetValues();
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QDeclarativeParentChange)
QML_DECLARE_TYPE(QDeclarativeStateChangeScript)
QML_DECLARE_TYPE(QDeclarativeAnchorSet)
QML_DECLARE_TYPE(QDeclarativeAnchorChanges)

QT_END_HEADER

#endif // QDECLARATIVESTATEOPERATIONS_H