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Diffstat (limited to 'src/qtquick1/graphicsitems/qdeclarativepositioners_p.h')
-rw-r--r-- | src/qtquick1/graphicsitems/qdeclarativepositioners_p.h | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/src/qtquick1/graphicsitems/qdeclarativepositioners_p.h b/src/qtquick1/graphicsitems/qdeclarativepositioners_p.h new file mode 100644 index 0000000000..c5f25228bd --- /dev/null +++ b/src/qtquick1/graphicsitems/qdeclarativepositioners_p.h @@ -0,0 +1,239 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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 1.1, 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QDECLARATIVELAYOUTS_H +#define QDECLARATIVELAYOUTS_H + +#include "qdeclarativeimplicitsizeitem_p.h" + +#include <QtQuick1/private/qdeclarativestate_p.h> +#include <private/qpodvector_p.h> + +#include <QtCore/QObject> +#include <QtCore/QString> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) +class QDeclarative1BasePositionerPrivate; + +class Q_DECLARATIVE_PRIVATE_EXPORT QDeclarative1BasePositioner : public QDeclarative1ImplicitSizeItem +{ + Q_OBJECT + + Q_PROPERTY(int spacing READ spacing WRITE setSpacing NOTIFY spacingChanged) + Q_PROPERTY(QDeclarative1Transition *move READ move WRITE setMove NOTIFY moveChanged) + Q_PROPERTY(QDeclarative1Transition *add READ add WRITE setAdd NOTIFY addChanged) +public: + enum PositionerType { None = 0x0, Horizontal = 0x1, Vertical = 0x2, Both = 0x3 }; + QDeclarative1BasePositioner(PositionerType, QDeclarativeItem *parent); + ~QDeclarative1BasePositioner(); + + int spacing() const; + void setSpacing(int); + + QDeclarative1Transition *move() const; + void setMove(QDeclarative1Transition *); + + QDeclarative1Transition *add() const; + void setAdd(QDeclarative1Transition *); + +protected: + QDeclarative1BasePositioner(QDeclarative1BasePositionerPrivate &dd, PositionerType at, QDeclarativeItem *parent); + virtual void componentComplete(); + virtual QVariant itemChange(GraphicsItemChange, const QVariant &); + void finishApplyTransitions(); + +Q_SIGNALS: + void spacingChanged(); + void moveChanged(); + void addChanged(); + +protected Q_SLOTS: + void prePositioning(); + void graphicsWidgetGeometryChanged(); + +protected: + virtual void doPositioning(QSizeF *contentSize)=0; + virtual void reportConflictingAnchors()=0; + class PositionedItem { + public : + PositionedItem(QGraphicsObject *i) : item(i), isNew(false), isVisible(true) {} + bool operator==(const PositionedItem &other) const { return other.item == item; } + QGraphicsObject *item; + bool isNew; + bool isVisible; + }; + + QPODVector<PositionedItem,8> positionedItems; + void positionX(int,const PositionedItem &target); + void positionY(int,const PositionedItem &target); + +private: + Q_DISABLE_COPY(QDeclarative1BasePositioner) + Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QDeclarative1BasePositioner) +}; + +class Q_AUTOTEST_EXPORT QDeclarative1Column : public QDeclarative1BasePositioner +{ + Q_OBJECT +public: + QDeclarative1Column(QDeclarativeItem *parent=0); +protected: + virtual void doPositioning(QSizeF *contentSize); + virtual void reportConflictingAnchors(); +private: + Q_DISABLE_COPY(QDeclarative1Column) +}; + +class Q_AUTOTEST_EXPORT QDeclarative1Row: public QDeclarative1BasePositioner +{ + Q_OBJECT + Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged REVISION 1) + Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged REVISION 1) +public: + QDeclarative1Row(QDeclarativeItem *parent=0); + + Qt::LayoutDirection layoutDirection() const; + void setLayoutDirection (Qt::LayoutDirection); + Qt::LayoutDirection effectiveLayoutDirection() const; + +Q_SIGNALS: + Q_REVISION(1) void layoutDirectionChanged(); + Q_REVISION(1) void effectiveLayoutDirectionChanged(); + +protected: + virtual void doPositioning(QSizeF *contentSize); + virtual void reportConflictingAnchors(); +private: + Q_DISABLE_COPY(QDeclarative1Row) +}; + +class Q_AUTOTEST_EXPORT QDeclarative1Grid : public QDeclarative1BasePositioner +{ + Q_OBJECT + Q_PROPERTY(int rows READ rows WRITE setRows NOTIFY rowsChanged) + Q_PROPERTY(int columns READ columns WRITE setColumns NOTIFY columnsChanged) + Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged) + Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged REVISION 1) + Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged REVISION 1) +public: + QDeclarative1Grid(QDeclarativeItem *parent=0); + + int rows() const {return m_rows;} + void setRows(const int rows); + + int columns() const {return m_columns;} + void setColumns(const int columns); + + Q_ENUMS(Flow) + enum Flow { LeftToRight, TopToBottom }; + Flow flow() const; + void setFlow(Flow); + + Qt::LayoutDirection layoutDirection() const; + void setLayoutDirection (Qt::LayoutDirection); + Qt::LayoutDirection effectiveLayoutDirection() const; + +Q_SIGNALS: + void rowsChanged(); + void columnsChanged(); + void flowChanged(); + Q_REVISION(1) void layoutDirectionChanged(); + Q_REVISION(1) void effectiveLayoutDirectionChanged(); + +protected: + virtual void doPositioning(QSizeF *contentSize); + virtual void reportConflictingAnchors(); + +private: + int m_rows; + int m_columns; + Flow m_flow; + Q_DISABLE_COPY(QDeclarative1Grid) +}; + +class QDeclarative1FlowPrivate; +class Q_AUTOTEST_EXPORT QDeclarative1Flow: public QDeclarative1BasePositioner +{ + Q_OBJECT + Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged) + Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged REVISION 1) + Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged REVISION 1) +public: + QDeclarative1Flow(QDeclarativeItem *parent=0); + + Q_ENUMS(Flow) + enum Flow { LeftToRight, TopToBottom }; + Flow flow() const; + void setFlow(Flow); + + Qt::LayoutDirection layoutDirection() const; + void setLayoutDirection (Qt::LayoutDirection); + Qt::LayoutDirection effectiveLayoutDirection() const; +Q_SIGNALS: + void flowChanged(); + Q_REVISION(1) void layoutDirectionChanged(); + Q_REVISION(1) void effectiveLayoutDirectionChanged(); + +protected: + virtual void doPositioning(QSizeF *contentSize); + virtual void reportConflictingAnchors(); +protected: + QDeclarative1Flow(QDeclarative1FlowPrivate &dd, QDeclarativeItem *parent); +private: + Q_DISABLE_COPY(QDeclarative1Flow) + Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QDeclarative1Flow) +}; + + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QDeclarative1Column) +QML_DECLARE_TYPE(QDeclarative1Row) +QML_DECLARE_TYPE(QDeclarative1Grid) +QML_DECLARE_TYPE(QDeclarative1Flow) + +QT_END_HEADER + +#endif |