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