src/kitemviews/kitemlistviewaccessible.h

   1 #ifndef ACCESSIBLE_ITEMVIEWS_H
   2 #define ACCESSIBLE_ITEMVIEWS_H
   3
   4 #include "QtCore/qpointer.h"
   5 #include <QtGui/qaccessible.h>
   6 #include <QtGui/qaccessible2.h>
   7 #include <QtGui/qaccessiblewidget.h>
   8 #include <QtGui/qaccessibleobject.h>
   9
  10 #include "kitemlistview.h"
  11 #include "kitemlistcontainer.h"
  12
  13 #ifndef QT_NO_ACCESSIBILITY
  14
  15 class KItemListAccessibleCell;
  16
  17 class KItemListViewAccessible: public QAccessibleTable2Interface, public QAccessibleObjectEx
  18 {
  19     Q_ACCESSIBLE_OBJECT
  20 public:
  21     explicit KItemListViewAccessible(KItemListView* view);
  22
  23     Role role(int child) const;
  24     State state(int child) const;
  25     QString text(Text t, int child) const;
  26     QRect rect(int child) const;
  27
  28     int childAt(int x, int y) const;
  29     int childCount() const;
  30     int indexOfChild(const QAccessibleInterface* ) const;
  31
  32     int navigate(RelationFlag relation, int index, QAccessibleInterface** iface) const;
  33     Relation relationTo(int child, const QAccessibleInterface* other, int otherChild) const;
  34
  35 #ifndef QT_NO_ACTION
  36     int userActionCount(int child) const;
  37     QString actionText(int action, Text t, int child) const;
  38     bool doAction(int action, int child, const QVariantList &params);
  39 #endif
  40     QVariant invokeMethodEx(Method, int, const QVariantList &);
  41
  42     // Table2 interface
  43     virtual QAccessibleTable2CellInterface* cellAt(int row, int column) const;
  44     virtual QAccessibleInterface* caption() const;
  45     virtual QAccessibleInterface* summary() const;
  46     virtual QString columnDescription(int column) const;
  47     virtual QString rowDescription(int row) const;
  48     virtual int columnCount() const;
  49     virtual int rowCount() const;
  50     virtual QAccessible2::TableModelChange modelChange() const;
  51     virtual void rowsInserted(const QModelIndex&, int, int) {}
  52     virtual void rowsRemoved(const QModelIndex&, int, int) {}
  53     virtual void columnsInserted(const QModelIndex&, int, int) {}
  54     virtual void columnsRemoved(const QModelIndex&, int, int) {}
  55     virtual void rowsMoved(const QModelIndex&, int, int, const QModelIndex&, int) {}
  56     virtual void columnsMoved(const QModelIndex&, int, int, const QModelIndex&, int) {}
  57
  58     // Selection
  59     virtual int selectedCellCount() const;
  60     virtual int selectedColumnCount() const;
  61     virtual int selectedRowCount() const;
  62     virtual QList<QAccessibleTable2CellInterface*> selectedCells() const;
  63     virtual QList<int> selectedColumns() const;
  64     virtual QList<int> selectedRows() const;
  65     virtual bool isColumnSelected(int column) const;
  66     virtual bool isRowSelected(int row) const;
  67     virtual bool selectRow(int row);
  68     virtual bool selectColumn(int column);
  69     virtual bool unselectRow(int row);
  70     virtual bool unselectColumn(int column);
  71
  72     KItemListView* view() const;
  73
  74 protected:
  75     virtual void modelReset();
  76     /**
  77      * Create an QAccessibleTable2CellInterface representing the table
  78      * cell at the @index. Index is 0-based.
  79      */
  80     inline QAccessibleTable2CellInterface* cell(int index) const;
  81     inline QAccessible::Role cellRole() const;
  82 };
  83
  84 class KItemListAccessibleCell: public QAccessibleTable2CellInterface
  85 {
  86 public:
  87     KItemListAccessibleCell(KItemListView* view, int m_index);
  88
  89     QObject* object() const;
  90     Role role(int) const;
  91     State state(int) const;
  92     QRect rect(int) const;
  93     bool isValid() const;
  94     int childAt(int, int) const;
  95     int childCount() const;
  96     int indexOfChild(const QAccessibleInterface*) const;
  97     QString text(Text t, int child) const;
  98     void setText(Text t, int child, const QString& text);
  99     int navigate(RelationFlag relation, int m_index, QAccessibleInterface** iface) const;
 100     Relation relationTo(int child, const QAccessibleInterface* other, int otherChild) const;
 101     bool isExpandable() const;
 102
 103 #ifndef QT_NO_ACTION
 104     int userActionCount(int child) const;
 105     QString actionText(int action, Text t, int child) const;
 106     bool doAction(int action, int child, const QVariantList &params);
 107 #endif
 108
 109     // Cell Interface
 110     virtual int columnExtent() const;
 111     virtual QList<QAccessibleInterface* > columnHeaderCells() const;
 112     virtual int columnIndex() const;
 113     virtual int rowExtent() const;
 114     virtual QList<QAccessibleInterface* > rowHeaderCells() const;
 115     virtual int rowIndex() const;
 116     virtual bool isSelected() const;
 117     virtual void rowColumnExtents(int* row, int* column, int* rowExtents, int* columnExtents, bool* selected) const;
 118     virtual QAccessibleTable2Interface* table() const;
 119
 120     inline int index() const;
 121
 122 private:
 123     QPointer<KItemListView> m_view;
 124     int m_index;
 125
 126 friend class KItemListViewAccessible;
 127 };
 128
 129 class KItemListContainerAccessible : public QAccessibleWidgetEx
 130 {
 131     Q_ACCESSIBLE_OBJECT
 132 public:
 133     explicit KItemListContainerAccessible(KItemListContainer*);
 134     virtual ~KItemListContainerAccessible();
 135     int childCount () const;
 136     int indexOfChild ( const QAccessibleInterface* child ) const;
 137     int navigate ( RelationFlag relation, int entry, QAccessibleInterface** target ) const;
 138
 139 private:
 140     inline KItemListContainer* container() const
 141     {
 142         return static_cast<KItemListContainer* >(object());
 143     }
 144 };
 145
 146 #endif // QT_NO_ACCESSIBILITY
 147
 148 #endif // ACCESSIBLE_ITEMVIEWS_H