src/kitemviews/kitemlistviewaccessible.h

   1 #ifndef ACCESSIBLE_ITEMVIEWS_H
   2 #define ACCESSIBLE_ITEMVIEWS_H
   3
   4 #include "QtCore/qpointer.h"
   5 #include <QtGui/qabstractitemview.h>
   6 #include <QtGui/qheaderview.h>
   7 #include <QtGui/qaccessible.h>
   8 #include <QtGui/qaccessible2.h>
   9 #include <QtGui/qaccessiblewidget.h>
  10
  11 #include "kitemlistview.h"
  12 #include "kitemlistcontainer.h"
  13
  14 #ifndef QT_NO_ACCESSIBILITY
  15
  16 #ifndef QT_NO_ITEMVIEWS
  17
  18 class KItemListAccessibleCell;
  19
  20 class KItemListViewAccessible: public QAccessibleTable2Interface, public QAccessibleObjectEx
  21 {
  22     Q_ACCESSIBLE_OBJECT
  23 public:
  24     explicit KItemListViewAccessible(KItemListView *view);
  25
  26     virtual ~KItemListViewAccessible();
  27
  28     Role role(int child) const;
  29     State state(int child) const;
  30     QString text(Text t, int child) const;
  31     QRect rect(int child) const;
  32
  33     int childAt(int x, int y) const;
  34     int childCount() const;
  35     int indexOfChild(const QAccessibleInterface *) const;
  36
  37     int navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const;
  38     Relation relationTo(int child, const QAccessibleInterface *other, int otherChild) const;
  39
  40 #ifndef QT_NO_ACTION
  41     int userActionCount(int child) const;
  42     QString actionText(int action, Text t, int child) const;
  43     bool doAction(int action, int child, const QVariantList &params);
  44 #endif
  45     QVariant invokeMethodEx(Method, int, const QVariantList &) { return QVariant(); }
  46
  47     // table2 interface
  48     virtual QAccessibleTable2CellInterface *cellAt(int row, int column) const;
  49     virtual QAccessibleInterface *caption() const;
  50     virtual QAccessibleInterface *summary() const;
  51     virtual QString columnDescription(int column) const;
  52     virtual QString rowDescription(int row) const;
  53     virtual int columnCount() const;
  54     virtual int rowCount() const;
  55     virtual QAccessible2::TableModelChange modelChange() const;
  56
  57     //Table
  58     virtual void rowsInserted(const QModelIndex&, int, int) {}
  59     virtual void rowsRemoved(const QModelIndex&, int, int) {}
  60     virtual void columnsInserted(const QModelIndex&, int, int) {}
  61     virtual void columnsRemoved(const QModelIndex&, int, int) {}
  62     virtual void rowsMoved(const QModelIndex&, int, int, const QModelIndex&, int) {}
  63     virtual void columnsMoved(const QModelIndex&, int, int, const QModelIndex&, int) {}
  64
  65     // selection
  66     virtual int selectedCellCount() const;
  67     virtual int selectedColumnCount() const;
  68     virtual int selectedRowCount() const;
  69     virtual QList<QAccessibleTable2CellInterface*> selectedCells() const;
  70     virtual QList<int> selectedColumns() const;
  71     virtual QList<int> selectedRows() const;
  72     virtual bool isColumnSelected(int column) const;
  73     virtual bool isRowSelected(int row) const;
  74     virtual bool selectRow(int row);
  75     virtual bool selectColumn(int column);
  76     virtual bool unselectRow(int row);
  77     virtual bool unselectColumn(int column);
  78
  79     KItemListView *view() const;
  80
  81 protected:
  82     virtual void modelReset();
  83
  84 protected:
  85     inline QAccessibleTable2CellInterface *cell(int index) const;
  86     inline QAccessible::Role cellRole() const {
  87     /*
  88         switch (m_role) {
  89         case QAccessible::List:
  90             return QAccessible::ListItem;
  91         case QAccessible::Table:
  92             return QAccessible::Cell;
  93         case QAccessible::Tree:
  94             return QAccessible::TreeItem;
  95         default:
  96             Q_ASSERT(0);
  97         }
  98         return QAccessible::NoRole;
  99     */
 100     return QAccessible::Cell;
 101     }
 102
 103 private:
 104     //QAccessible::Role m_role;
 105     // the child index for a model index
 106     //inline int logicalIndex(const QModelIndex &index) const;
 107     // the model index from the child index
 108     //QAccessibleInterface *childFromLogical(int logicalIndex) const;
 109 };
 110
 111 class KItemListAccessibleCell: public QAccessibleTable2CellInterface
 112 {
 113 public:
 114     KItemListAccessibleCell(KItemListView *view, int m_index);
 115
 116     QObject *object() const { return 0; }
 117     Role role(int child) const;
 118     State state(int child) const;
 119     QRect rect(int child) const;
 120     bool isValid() const;
 121
 122     int childAt(int, int) const { return 0; }
 123     int childCount() const { return 0; }
 124     int indexOfChild(const QAccessibleInterface *) const  { return -1; }
 125
 126     QString text(Text t, int child) const;
 127     void setText(Text t, int child, const QString &text);
 128
 129     int navigate(RelationFlag relation, int m_index, QAccessibleInterface **iface) const;
 130     Relation relationTo(int child, const QAccessibleInterface *other, int otherChild) const;
 131
 132     bool isExpandable() const;
 133
 134 #ifndef QT_NO_ACTION
 135     int userActionCount(int child) const;
 136     QString actionText(int action, Text t, int child) const;
 137     bool doAction(int action, int child, const QVariantList &params);
 138 #endif
 139
 140     // cell interface
 141     virtual int columnExtent() const;
 142     virtual QList<QAccessibleInterface*> columnHeaderCells() const;
 143     virtual int columnIndex() const;
 144     virtual int rowExtent() const;
 145     virtual QList<QAccessibleInterface*> rowHeaderCells() const;
 146     virtual int rowIndex() const;
 147     virtual bool isSelected() const;
 148     virtual void rowColumnExtents(int *row, int *column, int *rowExtents, int *columnExtents, bool *selected) const;
 149     virtual QAccessibleTable2Interface* table() const;
 150
 151     inline int getIndex() const
 152     { return index; }
 153
 154 private:
 155     QPointer<KItemListView> view;
 156     int index;
 157
 158 friend class KItemListViewAccessible;
 159 //friend class QAccessibleTree;
 160 };
 161
 162 class KItemListContainerAccessible : public QAccessibleWidgetEx
 163 {
 164     Q_ACCESSIBLE_OBJECT
 165 public:
 166     explicit KItemListContainerAccessible(KItemListContainer*);
 167     virtual  ~KItemListContainerAccessible();
 168     int  childCount () const;
 169     int  indexOfChild ( const QAccessibleInterface * child ) const;
 170     int  navigate ( RelationFlag relation, int entry, QAccessibleInterface ** target ) const;
 171
 172 private:
 173     inline KItemListContainer *container() const
 174     {
 175         return static_cast<KItemListContainer *>(object());
 176     }
 177 };
 178
 179 #endif // QT_NO_ITEMVIEWS
 180
 181 #endif // QT_NO_ACCESSIBILITY
 182
 183 #endif // ACCESSIBLE_ITEMVIEWS_H