src/plugins/accessible/widgets/complexwidgets.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/plugins/accessible/widgets/complexwidgets.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,293 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef COMPLEXWIDGETS_H
+#define COMPLEXWIDGETS_H
+
+#include <QtCore/qpointer.h>
+#include <QtGui/qaccessiblewidget.h>
+#include <QtGui/qabstractitemview.h>
+#include <QtGui/qaccessible2.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_ACCESSIBILITY
+
+class QAbstractButton;
+class QHeaderView;
+class QTabBar;
+class QComboBox;
+class QTitleBar;
+class QAbstractScrollArea;
+class QScrollArea;
+
+#ifndef QT_NO_SCROLLAREA
+class QAccessibleAbstractScrollArea : public QAccessibleWidgetEx
+{
+public:
+    explicit QAccessibleAbstractScrollArea(QWidget *widget);
+
+    enum AbstractScrollAreaElement {
+        Self = 0,
+        Viewport,
+        HorizontalContainer,
+        VerticalContainer,
+        CornerWidget,
+        Undefined
+    };
+
+    QString text(Text textType, int child) const;
+    void setText(Text textType, int child, const QString &text);
+    State state(int child) const;
+    QVariant invokeMethodEx(QAccessible::Method method, int child, const QVariantList &params);
+    int childCount() const;
+    int indexOfChild(const QAccessibleInterface *child) const;
+    bool isValid() const;
+    int navigate(RelationFlag relation, int entry, QAccessibleInterface **target) const;
+    QRect rect(int child) const;
+    int childAt(int x, int y) const;
+
+//protected:
+    QAbstractScrollArea *abstractScrollArea() const;
+
+private:
+    QWidgetList accessibleChildren() const;
+    AbstractScrollAreaElement elementType(QWidget *widget) const;
+    bool isLeftToRight() const;
+};
+
+class QAccessibleScrollArea : public QAccessibleAbstractScrollArea
+{
+public:
+    explicit QAccessibleScrollArea(QWidget *widget);
+};
+
+#endif // QT_NO_SCROLLAREA
+
+#ifndef QT_NO_ITEMVIEWS
+class QAccessibleHeader : public QAccessibleWidgetEx
+{
+    Q_ACCESSIBLE_OBJECT
+public:
+    explicit QAccessibleHeader(QWidget *w);
+
+    int childCount() const;
+
+    QRect rect(int child) const;
+    QString text(Text t, int child) const;
+    Role role(int child) const;
+    State state(int child) const;
+
+protected:
+    QHeaderView *header() const;
+};
+
+class QAccessibleItemRow: public QAccessibleInterface
+{
+    friend class QAccessibleItemView;
+public:
+    QAccessibleItemRow(QAbstractItemView *view, const QModelIndex &index = QModelIndex(), bool isHeader = false);
+    QRect rect(int child) const;
+    QString text(Text t, int child) const;
+    void setText(Text t, int child, const QString &text);
+    bool isValid() const;
+    QObject *object() const;
+    Role role(int child) const;
+    State state(int child) const;
+
+    int childCount() const;
+    int indexOfChild(const QAccessibleInterface *) const;
+    QList<QModelIndex> children() const;
+
+    Relation relationTo(int child, const QAccessibleInterface *other, int otherChild) const;
+    int childAt(int x, int y) const;
+    int navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const;
+
+    int userActionCount(int child) const;
+    QString actionText(int action, Text t, int child) const;
+    bool doAction(int action, int child, const QVariantList &params = QVariantList());
+
+    QModelIndex childIndex(int child) const;
+
+    QHeaderView *horizontalHeader() const;  //used by QAccessibleItemView
+private:
+    static QAbstractItemView::CursorAction toCursorAction(Relation rel);
+    int logicalFromChild(QHeaderView *header, int child) const;
+    int treeLevel() const;
+    QHeaderView *verticalHeader() const;
+    QString text_helper(int child) const;
+
+    QPersistentModelIndex row;
+    QPointer<QAbstractItemView> view;
+    bool m_header;
+};
+
+class QAccessibleItemView: public QAccessibleAbstractScrollArea, public QAccessibleTableInterface
+{
+    Q_ACCESSIBLE_OBJECT
+public:
+    explicit QAccessibleItemView(QWidget *w);
+
+    QObject *object() const;
+    Role role(int child) const;
+    State state(int child) const;
+    QRect rect(int child) const;
+    int childAt(int x, int y) const;
+    int childCount() const;
+    QString text(Text t, int child) const;
+    void setText(Text t, int child, const QString &text);
+    int indexOfChild(const QAccessibleInterface *iface) const;
+
+    QModelIndex childIndex(int child) const;
+    int entryFromIndex(const QModelIndex &index) const;
+    bool isValid() const;
+    int navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const;
+
+    QAccessibleInterface *accessibleAt(int row, int column);
+    QAccessibleInterface *caption();
+    int childIndex(int rowIndex, int columnIndex);
+    QString columnDescription(int column);
+    int columnSpan(int row, int column);
+    QAccessibleInterface *columnHeader();
+    int columnIndex(int childIndex);
+    int columnCount();
+    int rowCount();
+    int selectedColumnCount();
+    int selectedRowCount();
+    QString rowDescription(int row);
+    int rowSpan(int row, int column);
+    QAccessibleInterface *rowHeader();
+    int rowIndex(int childIndex);
+    int selectedRows(int maxRows, QList<int> *rows);
+    int selectedColumns(int maxColumns, QList<int> *columns);
+    QAccessibleInterface *summary();
+    bool isColumnSelected(int column);
+    bool isRowSelected(int row);
+    bool isSelected(int row, int column);
+    void selectRow(int row);
+    void selectColumn(int column);
+    void unselectRow(int row);
+    void unselectColumn(int column);
+    void cellAtIndex(int index, int *row, int *column, int *rowSpan,
+                     int *columnSpan, bool *isSelected);
+
+    QHeaderView *horizontalHeader() const;
+    QHeaderView *verticalHeader() const;
+    bool isValidChildRole(QAccessible::Role role) const;
+
+protected:
+    QAbstractItemView *itemView() const;
+    QModelIndex index(int row, int column) const;
+
+private:
+    inline bool atViewport() const {
+        return atVP;
+    };
+    QAccessible::Role expectedRoleOfChildren() const;
+
+    bool atVP;
+};
+
+#endif
+
+#ifndef QT_NO_TABBAR
+class QAccessibleTabBar : public QAccessibleWidgetEx
+{
+    Q_ACCESSIBLE_OBJECT
+public:
+    explicit QAccessibleTabBar(QWidget *w);
+
+    int childCount() const;
+
+    QRect rect(int child) const;
+    QString text(Text t, int child) const;
+    Role role(int child) const;
+    State state(int child) const;
+
+    bool doAction(int action, int child, const QVariantList &params);
+    bool setSelected(int child, bool on, bool extend);
+    QVector<int> selection() const;
+
+protected:
+    QTabBar *tabBar() const;
+
+private:
+    QAbstractButton *button(int child) const;
+};
+#endif // QT_NO_TABBAR
+
+#ifndef QT_NO_COMBOBOX
+class QAccessibleComboBox : public QAccessibleWidgetEx
+{
+    Q_ACCESSIBLE_OBJECT
+public:
+    explicit QAccessibleComboBox(QWidget *w);
+
+    enum ComboBoxElements {
+        ComboBoxSelf        = 0,
+        CurrentText,
+        OpenList,
+        PopupList
+    };
+
+    int childCount() const;
+    int childAt(int x, int y) const;
+    int indexOfChild(const QAccessibleInterface *child) const;
+    int navigate(RelationFlag rel, int entry, QAccessibleInterface **target) const;
+
+    QString text(Text t, int child) const;
+    QRect rect(int child) const;
+    Role role(int child) const;
+    State state(int child) const;
+
+    bool doAction(int action, int child, const QVariantList &params);
+    QString actionText(int action, Text t, int child) const;
+
+protected:
+    QComboBox *comboBox() const;
+};
+#endif // QT_NO_COMBOBOX
+
+#endif // QT_NO_ACCESSIBILITY
+
+QT_END_NAMESPACE
+
+#endif // COMPLEXWIDGETS_H