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     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the QtDeclarative module of the Qt Toolkit.

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    40 

    41 #ifndef GRIDLAYOUT_H

    42 #define GRIDLAYOUT_H

    43 

    44 #include <qdeclarative.h>

    45 

    46 #include <QGraphicsGridLayout>

    47 #include <QGraphicsLayoutItem>

    48 

    49 class GridLayoutAttached;

    50 class GraphicsGridLayoutObject : public QObject, public QGraphicsGridLayout

    51 {

    52     Q_OBJECT

    53     Q_INTERFACES(QGraphicsLayout QGraphicsLayoutItem)

    54 

    55     Q_PROPERTY(QDeclarativeListProperty<QGraphicsLayoutItem> children READ children)

    56     Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing)

    57     Q_PROPERTY(qreal contentsMargin READ contentsMargin WRITE setContentsMargin)

    58     Q_PROPERTY(qreal verticalSpacing READ verticalSpacing WRITE setVerticalSpacing)

    59     Q_PROPERTY(qreal horizontalSpacing READ horizontalSpacing WRITE setHorizontalSpacing)

    60     Q_CLASSINFO("DefaultProperty", "children")

    61 

    62 public:

    63     GraphicsGridLayoutObject(QObject * = 0);

    64     ~GraphicsGridLayoutObject();

    65 

    66     QDeclarativeListProperty<QGraphicsLayoutItem> children() { return QDeclarativeListProperty<QGraphicsLayoutItem>(this, 0, children_append, children_count, children_at, children_clear); }

    67 

    68     qreal spacing() const;

    69     qreal contentsMargin() const;

    70     void setContentsMargin(qreal);

    71 

    72     void removeAt(int index);

    73 

    74     static GridLayoutAttached *qmlAttachedProperties(QObject *);

    75 

    76 private slots:

    77     void updateAlignment(QGraphicsLayoutItem*,Qt::Alignment);

    78 

    79 private:

    80     friend class GraphicsLayoutAttached;

    81 

    82     void addWidget(QGraphicsWidget *);

    83     void clearChildren();

    84     void addLayoutItem(QGraphicsLayoutItem *);

    85 

    86     static void children_append(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, QGraphicsLayoutItem *item) {

    87         static_cast<GraphicsGridLayoutObject*>(prop->object)->addLayoutItem(item);

    88     }

    89 

    90     static void children_clear(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) {

    91         static_cast<GraphicsGridLayoutObject*>(prop->object)->clearChildren();

    92     }

    93 

    94     static int children_count(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) {

    95         return static_cast<GraphicsGridLayoutObject*>(prop->object)->count();

    96     }

    97 

    98     static QGraphicsLayoutItem *children_at(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, int index) {

    99         return static_cast<GraphicsGridLayoutObject*>(prop->object)->itemAt(index);

   100     }

   101 

   102     static QHash<QGraphicsLayoutItem*, GridLayoutAttached*> attachedProperties;

   103 };

   104 

   105 

   106 class GridLayoutAttached : public QObject

   107 {

   108     Q_OBJECT

   109 

   110     Q_PROPERTY(int row READ row WRITE setRow)

   111     Q_PROPERTY(int column READ column WRITE setColumn)

   112 

   113     Q_PROPERTY(int rowSpan READ rowSpan WRITE setRowSpan)

   114     Q_PROPERTY(int columnSpan READ columnSpan WRITE setColumnSpan)

   115     Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)

   116 

   117     Q_PROPERTY(int rowStretchFactor READ rowStretchFactor WRITE setRowStretchFactor)

   118     Q_PROPERTY(int columnStretchFactor READ columnStretchFactor WRITE setColumnStretchFactor)

   119     Q_PROPERTY(int rowSpacing READ rowSpacing WRITE setRowSpacing)

   120     Q_PROPERTY(int columnSpacing READ columnSpacing WRITE setColumnSpacing)

   121 

   122     Q_PROPERTY(int rowPreferredHeight READ rowPreferredHeight WRITE setRowPreferredHeight)

   123     Q_PROPERTY(int rowMinimumHeight READ rowMinimumHeight WRITE setRowMinimumHeight)

   124     Q_PROPERTY(int rowMaximumHeight READ rowMaximumHeight WRITE setRowMaximumHeight)

   125     Q_PROPERTY(int rowFixedHeight READ rowFixedHeight WRITE setRowFixedHeight)

   126 

   127     Q_PROPERTY(int columnPreferredWidth READ columnPreferredWidth WRITE setColumnPreferredWidth)

   128     Q_PROPERTY(int columnMaximumWidth READ columnMaximumWidth WRITE setColumnMaximumWidth)

   129     Q_PROPERTY(int columnMinimumWidth READ columnMinimumWidth WRITE setColumnMinimumWidth)

   130     Q_PROPERTY(int columnFixedWidth READ columnFixedWidth WRITE setColumnFixedWidth)

   131 

   132 public:

   133     GridLayoutAttached(QObject *parent);

   134 

   135     int row() const { return m_row; }

   136     void setRow(int r) { m_row = r; }

   137 

   138     int column() const { return m_column; }

   139     void setColumn(int c) { m_column = c; }

   140 

   141     int rowSpan() const { return m_rowspan; }

   142     void setRowSpan(int rs) { m_rowspan = rs; }

   143 

   144     int columnSpan() const { return m_colspan; }

   145     void setColumnSpan(int cs) { m_colspan = cs; }

   146 

   147     Qt::Alignment alignment() const { return m_alignment; }

   148     void setAlignment(Qt::Alignment a);

   149 

   150     int rowStretchFactor() const { return m_rowStretch; }

   151     void setRowStretchFactor(int f) { m_rowStretch = f; }

   152     int columnStretchFactor() const { return m_colStretch; }

   153     void setColumnStretchFactor(int f) { m_colStretch = f; }

   154 

   155     int rowSpacing() const { return m_rowSpacing; }

   156     void setRowSpacing(int s) { m_rowSpacing = s; }

   157     int columnSpacing() const { return m_colSpacing; }

   158     void setColumnSpacing(int s) { m_colSpacing = s; }

   159 

   160     int rowPreferredHeight() const { return m_rowPrefHeight; }

   161     void setRowPreferredHeight(int s) { m_rowPrefHeight = s; }

   162 

   163     int rowMaximumHeight() const { return m_rowMaxHeight; }

   164     void setRowMaximumHeight(int s) { m_rowMaxHeight = s; }

   165 

   166     int rowMinimumHeight() const { return m_rowMinHeight; }

   167     void setRowMinimumHeight(int s) { m_rowMinHeight = s; }

   168 

   169     int rowFixedHeight() const { return m_rowFixHeight; }

   170     void setRowFixedHeight(int s) { m_rowFixHeight = s; }

   171 

   172     int columnPreferredWidth() const { return m_colPrefwidth; }

   173     void setColumnPreferredWidth(int s) { m_colPrefwidth = s; }

   174 

   175     int columnMaximumWidth() const { return m_colMaxwidth; }

   176     void setColumnMaximumWidth(int s) { m_colMaxwidth = s; }

   177 

   178     int columnMinimumWidth() const { return m_colMinwidth; }

   179     void setColumnMinimumWidth(int s) { m_colMinwidth = s; }

   180 

   181     int columnFixedWidth() const { return m_colFixwidth; }

   182     void setColumnFixedWidth(int s) { m_colFixwidth = s; }

   183 

   184 signals:

   185     void alignmentChanged(QGraphicsLayoutItem*, Qt::Alignment);

   186 

   187 private:

   188     int m_row;

   189     int m_column;

   190 

   191     int m_rowspan;

   192     int m_colspan;

   193     Qt::Alignment m_alignment;

   194 

   195     int m_rowStretch;

   196     int m_colStretch;

   197     int m_rowSpacing;

   198     int m_colSpacing;

   199 

   200     int m_rowPrefHeight;

   201     int m_rowMaxHeight;

   202     int m_rowMinHeight;

   203     int m_rowFixHeight;

   204 

   205     int m_colPrefwidth;

   206     int m_colMaxwidth;

   207     int m_colMinwidth;

   208     int m_colFixwidth;

   209 };

   210 

   211 QML_DECLARE_INTERFACE(QGraphicsLayoutItem)

   212 QML_DECLARE_INTERFACE(QGraphicsLayout)

   213 QML_DECLARE_TYPE(GraphicsGridLayoutObject)

   214 QML_DECLARE_TYPEINFO(GraphicsGridLayoutObject, QML_HAS_ATTACHED_PROPERTIES)

   215 

   216 #endif

   217