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Diffstat (limited to 'src/qtquick1/graphicsitems/qdeclarativegridview_p.h')
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1 files changed, 288 insertions, 0 deletions
diff --git a/src/qtquick1/graphicsitems/qdeclarativegridview_p.h b/src/qtquick1/graphicsitems/qdeclarativegridview_p.h new file mode 100644 index 0000000000..c53a34507d --- /dev/null +++ b/src/qtquick1/graphicsitems/qdeclarativegridview_p.h @@ -0,0 +1,288 @@ +/**************************************************************************** +** +** 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 QDECLARATIVEGRIDVIEW_H +#define QDECLARATIVEGRIDVIEW_H + +#include "private/qdeclarativeflickable_p.h" +#include "QtDeclarative/private/qdeclarativeguard_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) +class QDeclarative1VisualModel; +class QDeclarative1GridViewAttached; +class QDeclarative1GridViewPrivate; +class Q_AUTOTEST_EXPORT QDeclarative1GridView : public QDeclarative1Flickable +{ + Q_OBJECT + Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QDeclarative1GridView) + + Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged) + Q_PROPERTY(QDeclarativeComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged) + Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged) + Q_PROPERTY(QDeclarativeItem *currentItem READ currentItem NOTIFY currentIndexChanged) + Q_PROPERTY(int count READ count NOTIFY countChanged) + + Q_PROPERTY(QDeclarativeComponent *highlight READ highlight WRITE setHighlight NOTIFY highlightChanged) + Q_PROPERTY(QDeclarativeItem *highlightItem READ highlightItem NOTIFY highlightItemChanged) + Q_PROPERTY(bool highlightFollowsCurrentItem READ highlightFollowsCurrentItem WRITE setHighlightFollowsCurrentItem) + Q_PROPERTY(int highlightMoveDuration READ highlightMoveDuration WRITE setHighlightMoveDuration NOTIFY highlightMoveDurationChanged) + + Q_PROPERTY(qreal preferredHighlightBegin READ preferredHighlightBegin WRITE setPreferredHighlightBegin NOTIFY preferredHighlightBeginChanged RESET resetPreferredHighlightBegin) + Q_PROPERTY(qreal preferredHighlightEnd READ preferredHighlightEnd WRITE setPreferredHighlightEnd NOTIFY preferredHighlightEndChanged RESET resetPreferredHighlightEnd) + Q_PROPERTY(HighlightRangeMode highlightRangeMode READ highlightRangeMode WRITE setHighlightRangeMode NOTIFY highlightRangeModeChanged) + + 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) + Q_PROPERTY(bool keyNavigationWraps READ isWrapEnabled WRITE setWrapEnabled NOTIFY keyNavigationWrapsChanged) + Q_PROPERTY(int cacheBuffer READ cacheBuffer WRITE setCacheBuffer NOTIFY cacheBufferChanged) + Q_PROPERTY(int cellWidth READ cellWidth WRITE setCellWidth NOTIFY cellWidthChanged) + Q_PROPERTY(int cellHeight READ cellHeight WRITE setCellHeight NOTIFY cellHeightChanged) + + Q_PROPERTY(SnapMode snapMode READ snapMode WRITE setSnapMode NOTIFY snapModeChanged) + + Q_PROPERTY(QDeclarativeComponent *header READ header WRITE setHeader NOTIFY headerChanged) + Q_PROPERTY(QDeclarativeComponent *footer READ footer WRITE setFooter NOTIFY footerChanged) + + Q_ENUMS(HighlightRangeMode) + Q_ENUMS(SnapMode) + Q_ENUMS(Flow) + Q_ENUMS(PositionMode) + Q_CLASSINFO("DefaultProperty", "data") + +public: + QDeclarative1GridView(QDeclarativeItem *parent=0); + ~QDeclarative1GridView(); + + QVariant model() const; + int modelCount() const; + void setModel(const QVariant &); + + QDeclarativeComponent *delegate() const; + void setDelegate(QDeclarativeComponent *); + + int currentIndex() const; + void setCurrentIndex(int idx); + + QDeclarativeItem *currentItem(); + QDeclarativeItem *highlightItem(); + int count() const; + + QDeclarativeComponent *highlight() const; + void setHighlight(QDeclarativeComponent *highlight); + + bool highlightFollowsCurrentItem() const; + void setHighlightFollowsCurrentItem(bool); + + int highlightMoveDuration() const; + void setHighlightMoveDuration(int); + + enum HighlightRangeMode { NoHighlightRange, ApplyRange, StrictlyEnforceRange }; + HighlightRangeMode highlightRangeMode() const; + void setHighlightRangeMode(HighlightRangeMode mode); + + qreal preferredHighlightBegin() const; + void setPreferredHighlightBegin(qreal); + void resetPreferredHighlightBegin(); + + qreal preferredHighlightEnd() const; + void setPreferredHighlightEnd(qreal); + void resetPreferredHighlightEnd(); + + Qt::LayoutDirection layoutDirection() const; + void setLayoutDirection(Qt::LayoutDirection); + Qt::LayoutDirection effectiveLayoutDirection() const; + + enum Flow { LeftToRight, TopToBottom }; + Flow flow() const; + void setFlow(Flow); + + bool isWrapEnabled() const; + void setWrapEnabled(bool); + + int cacheBuffer() const; + void setCacheBuffer(int); + + int cellWidth() const; + void setCellWidth(int); + + int cellHeight() const; + void setCellHeight(int); + + enum SnapMode { NoSnap, SnapToRow, SnapOneRow }; + SnapMode snapMode() const; + void setSnapMode(SnapMode mode); + + QDeclarativeComponent *footer() const; + void setFooter(QDeclarativeComponent *); + + QDeclarativeComponent *header() const; + void setHeader(QDeclarativeComponent *); + + virtual void setContentX(qreal pos); + virtual void setContentY(qreal pos); + + enum PositionMode { Beginning, Center, End, Visible, Contain }; + + Q_INVOKABLE void positionViewAtIndex(int index, int mode); + Q_INVOKABLE int indexAt(qreal x, qreal y) const; + Q_INVOKABLE Q_REVISION(1) void positionViewAtBeginning(); + Q_INVOKABLE Q_REVISION(1) void positionViewAtEnd(); + + static QDeclarative1GridViewAttached *qmlAttachedProperties(QObject *); + +public Q_SLOTS: + void moveCurrentIndexUp(); + void moveCurrentIndexDown(); + void moveCurrentIndexLeft(); + void moveCurrentIndexRight(); + +Q_SIGNALS: + void countChanged(); + void currentIndexChanged(); + void cellWidthChanged(); + void cellHeightChanged(); + void highlightChanged(); + void highlightItemChanged(); + void preferredHighlightBeginChanged(); + void preferredHighlightEndChanged(); + void highlightRangeModeChanged(); + void highlightMoveDurationChanged(); + void modelChanged(); + void delegateChanged(); + void flowChanged(); + Q_REVISION(1) void layoutDirectionChanged(); + Q_REVISION(1) void effectiveLayoutDirectionChanged(); + void keyNavigationWrapsChanged(); + void cacheBufferChanged(); + void snapModeChanged(); + void headerChanged(); + void footerChanged(); + +protected: + virtual bool event(QEvent *event); + virtual void viewportMoved(); + virtual qreal minYExtent() const; + virtual qreal maxYExtent() const; + virtual qreal minXExtent() const; + virtual qreal maxXExtent() const; + virtual void keyPressEvent(QKeyEvent *); + virtual void componentComplete(); + +private Q_SLOTS: + void trackedPositionChanged(); + void itemsInserted(int index, int count); + void itemsRemoved(int index, int count); + void itemsMoved(int from, int to, int count); + void modelReset(); + void destroyRemoved(); + void createdItem(int index, QDeclarativeItem *item); + void destroyingItem(QDeclarativeItem *item); + void animStopped(); + +private: + void refill(); +}; + +class QDeclarative1GridViewAttached : public QObject +{ + Q_OBJECT +public: + QDeclarative1GridViewAttached(QObject *parent) + : QObject(parent), m_view(0), m_isCurrent(false), m_delayRemove(false) {} + ~QDeclarative1GridViewAttached() {} + + Q_PROPERTY(QDeclarative1GridView *view READ view NOTIFY viewChanged) + QDeclarative1GridView *view() { return m_view; } + void setView(QDeclarative1GridView *view) { + if (view != m_view) { + m_view = view; + emit viewChanged(); + } + } + + Q_PROPERTY(bool isCurrentItem READ isCurrentItem NOTIFY currentItemChanged) + bool isCurrentItem() const { return m_isCurrent; } + void setIsCurrentItem(bool c) { + if (m_isCurrent != c) { + m_isCurrent = c; + emit currentItemChanged(); + } + } + + Q_PROPERTY(bool delayRemove READ delayRemove WRITE setDelayRemove NOTIFY delayRemoveChanged) + bool delayRemove() const { return m_delayRemove; } + void setDelayRemove(bool delay) { + if (m_delayRemove != delay) { + m_delayRemove = delay; + emit delayRemoveChanged(); + } + } + + void emitAdd() { emit add(); } + void emitRemove() { emit remove(); } + +Q_SIGNALS: + void currentItemChanged(); + void delayRemoveChanged(); + void add(); + void remove(); + void viewChanged(); + +public: + QDeclarativeGuard<QDeclarative1GridView> m_view; + bool m_isCurrent : 1; + bool m_delayRemove : 1; +}; + + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QDeclarative1GridView) +QML_DECLARE_TYPEINFO(QDeclarative1GridView, QML_HAS_ATTACHED_PROPERTIES) + +QT_END_HEADER + +#endif |