qaccessible: Split QAccessible into own header

qaccessible.h includes quite a few heavy headers. While QAccessibleEvent
and QAccessible can be forward declared, the enums in QAccessible
cannot. By moving QAccessible into its own lightweight header, we can
significantly reduce the cost of using the enums.
qaccessible.h still includes qaccessible_base.h, and the syncqt rules
are adjusted to ensure that this changes is source compatible.

Additionally, we no longer include cstdlib, as we only need cstring.

[ChangeLog][Potentially Source-Incompatible Changes] <QAccessible> no
longer includes <stdlib.h>. This might break code that relied on
transitive includes.

Task-number: QTBUG-97601
Change-Id: I15fbd9c85f5746885f9e89eabfc6d07b9bb1f968
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Jan Arve Sæther <jan-arve.saether@qt.io>

3 files changed, 456 insertions, 383 deletions

diff --git a/src/gui/accessible/qaccessible.cpp b/src/gui/accessible/qaccessible.cpp
index 0d258ccd78..a029cc9e58 100644
--- a/src/gui/accessible/qaccessible.cpp
+++ b/src/gui/accessible/qaccessible.cpp
@@ -3003,3 +3003,4 @@ QAccessibleHyperlinkInterface::~QAccessibleHyperlinkInterface()
 
 QT_END_NAMESPACE
 
+#include "moc_qaccessible_base.cpp"
diff --git a/src/gui/accessible/qaccessible.h b/src/gui/accessible/qaccessible.h
index d7bb31706e..3fa7f19af1 100644
--- a/src/gui/accessible/qaccessible.h
+++ b/src/gui/accessible/qaccessible.h
@@ -37,6 +37,13 @@
 **
 ****************************************************************************/
 
+
+#if 0
+// keep existing syncqt header working after the move of the class
+// into qaccessible_base
+#pragma qt_class(QAccessible)
+#endif
+
 #include <QtGui/qtguiglobal.h>
 
 #ifndef QT_NO_ACCESSIBILITY
@@ -53,8 +60,7 @@
 #include <QtCore/qvariant.h>
 #include <QtGui/qcolor.h>
 #include <QtGui/qevent.h>
-
-#include <stdlib.h>
+#include <QtGui/qaccessible_base.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -63,387 +69,6 @@ class QAccessibleEvent;
 class QWindow;
 class QTextCursor;
 
-class Q_GUI_EXPORT QAccessible
-{
-    Q_GADGET
-public:
-
-    enum Event {
-        SoundPlayed          = 0x0001,
-        Alert                = 0x0002,
-        ForegroundChanged    = 0x0003,
-        MenuStart            = 0x0004,
-        MenuEnd              = 0x0005,
-        PopupMenuStart       = 0x0006,
-        PopupMenuEnd         = 0x0007,
-        ContextHelpStart     = 0x000C,
-        ContextHelpEnd       = 0x000D,
-        DragDropStart        = 0x000E,
-        DragDropEnd          = 0x000F,
-        DialogStart          = 0x0010,
-        DialogEnd            = 0x0011,
-        ScrollingStart       = 0x0012,
-        ScrollingEnd         = 0x0013,
-
-        MenuCommand          = 0x0018,
-
-        // Values from IAccessible2
-        ActionChanged                    = 0x0101,
-        ActiveDescendantChanged          = 0x0102,
-        AttributeChanged                 = 0x0103,
-        DocumentContentChanged           = 0x0104,
-        DocumentLoadComplete             = 0x0105,
-        DocumentLoadStopped              = 0x0106,
-        DocumentReload                   = 0x0107,
-        HyperlinkEndIndexChanged         = 0x0108,
-        HyperlinkNumberOfAnchorsChanged  = 0x0109,
-        HyperlinkSelectedLinkChanged     = 0x010A,
-        HypertextLinkActivated           = 0x010B,
-        HypertextLinkSelected            = 0x010C,
-        HyperlinkStartIndexChanged       = 0x010D,
-        HypertextChanged                 = 0x010E,
-        HypertextNLinksChanged           = 0x010F,
-        ObjectAttributeChanged           = 0x0110,
-        PageChanged                      = 0x0111,
-        SectionChanged                   = 0x0112,
-        TableCaptionChanged              = 0x0113,
-        TableColumnDescriptionChanged    = 0x0114,
-        TableColumnHeaderChanged         = 0x0115,
-        TableModelChanged                = 0x0116,
-        TableRowDescriptionChanged       = 0x0117,
-        TableRowHeaderChanged            = 0x0118,
-        TableSummaryChanged              = 0x0119,
-        TextAttributeChanged             = 0x011A,
-        TextCaretMoved                   = 0x011B,
-        // TextChanged = 0x011C, is deprecated in IA2, use TextUpdated
-        TextColumnChanged                = 0x011D,
-        TextInserted                     = 0x011E,
-        TextRemoved                      = 0x011F,
-        TextUpdated                      = 0x0120,
-        TextSelectionChanged             = 0x0121,
-        VisibleDataChanged               = 0x0122,
-
-        ObjectCreated        = 0x8000,
-        ObjectDestroyed      = 0x8001,
-        ObjectShow           = 0x8002,
-        ObjectHide           = 0x8003,
-        ObjectReorder        = 0x8004,
-        Focus                = 0x8005,
-        Selection            = 0x8006,
-        SelectionAdd         = 0x8007,
-        SelectionRemove      = 0x8008,
-        SelectionWithin      = 0x8009,
-        StateChanged         = 0x800A,
-        LocationChanged      = 0x800B,
-        NameChanged          = 0x800C,
-        DescriptionChanged   = 0x800D,
-        ValueChanged         = 0x800E,
-        ParentChanged        = 0x800F,
-        HelpChanged          = 0x80A0,
-        DefaultActionChanged = 0x80B0,
-        AcceleratorChanged   = 0x80C0,
-
-        InvalidEvent
-    };
-    Q_ENUM(Event)
-
-    // 64 bit enums seem hard on some platforms (windows...)
-    // which makes using a bit field a sensible alternative
-    struct State {
-        // http://msdn.microsoft.com/en-us/library/ms697270.aspx
-        quint64 disabled : 1; // used to be Unavailable
-        quint64 selected : 1;
-        quint64 focusable : 1;
-        quint64 focused : 1;
-        quint64 pressed : 1;
-        quint64 checkable : 1;
-        quint64 checked : 1;
-        quint64 checkStateMixed : 1; // used to be Mixed
-        quint64 readOnly : 1;
-        quint64 hotTracked : 1;
-        quint64 defaultButton : 1;
-        quint64 expanded : 1;
-        quint64 collapsed : 1;
-        quint64 busy : 1;
-        quint64 expandable : 1;
-        quint64 marqueed : 1;
-        quint64 animated : 1;
-        quint64 invisible : 1;
-        quint64 offscreen : 1;
-        quint64 sizeable : 1;
-        quint64 movable : 1;
-        quint64 selfVoicing : 1;
-        quint64 selectable : 1;
-        quint64 linked : 1;
-        quint64 traversed : 1;
-        quint64 multiSelectable : 1;
-        quint64 extSelectable : 1;
-        quint64 passwordEdit : 1; // used to be Protected
-        quint64 hasPopup : 1;
-        quint64 modal : 1;
-
-        // IA2 - we chose to not add some IA2 states for now
-        // Below the ones that seem helpful
-        quint64 active : 1;
-        quint64 invalid : 1; // = defunct
-        quint64 editable : 1;
-        quint64 multiLine : 1;
-        quint64 selectableText : 1;
-        quint64 supportsAutoCompletion : 1;
-
-        quint64 searchEdit : 1;
-
-        // quint64 horizontal : 1;
-        // quint64 vertical : 1;
-        // quint64 invalidEntry : 1;
-        // quint64 managesDescendants : 1;
-        // quint64 singleLine : 1; // we have multi line, this is redundant.
-        // quint64 stale : 1;
-        // quint64 transient : 1;
-        // quint64 pinned : 1;
-
-        // Apple - see http://mattgemmell.com/2010/12/19/accessibility-for-iphone-and-ipad-apps/
-        // quint64 playsSound : 1;
-        // quint64 summaryElement : 1;
-        // quint64 updatesFrequently : 1;
-        // quint64 adjustable : 1;
-        // more and not included here: http://developer.apple.com/library/mac/#documentation/UserExperience/Reference/Accessibility_RoleAttribute_Ref/Attributes.html
-
-        // MSAA
-        // quint64 alertLow : 1;
-        // quint64 alertMedium : 1;
-        // quint64 alertHigh : 1;
-
-        State() {
-            memset(this, 0, sizeof(State));
-        }
-        friend inline bool operator==(const QAccessible::State &first, const QAccessible::State &second)
-        {
-            return memcmp(&first, &second, sizeof(QAccessible::State)) == 0;
-        }
-    };
-
-
-
-
-
-    enum Role {
-        NoRole         = 0x00000000,
-        TitleBar       = 0x00000001,
-        MenuBar        = 0x00000002,
-        ScrollBar      = 0x00000003,
-        Grip           = 0x00000004,
-        Sound          = 0x00000005,
-        Cursor         = 0x00000006,
-        Caret          = 0x00000007,
-        AlertMessage   = 0x00000008,
-        Window         = 0x00000009,
-        Client         = 0x0000000A,
-        PopupMenu      = 0x0000000B,
-        MenuItem       = 0x0000000C,
-        ToolTip        = 0x0000000D,
-        Application    = 0x0000000E,
-        Document       = 0x0000000F,
-        Pane           = 0x00000010,
-        Chart          = 0x00000011,
-        Dialog         = 0x00000012,
-        Border         = 0x00000013,
-        Grouping       = 0x00000014,
-        Separator      = 0x00000015,
-        ToolBar        = 0x00000016,
-        StatusBar      = 0x00000017,
-        Table          = 0x00000018,
-        ColumnHeader   = 0x00000019,
-        RowHeader      = 0x0000001A,
-        Column         = 0x0000001B,
-        Row            = 0x0000001C,
-        Cell           = 0x0000001D,
-        Link           = 0x0000001E,
-        HelpBalloon    = 0x0000001F,
-        Assistant      = 0x00000020,
-        List           = 0x00000021,
-        ListItem       = 0x00000022,
-        Tree           = 0x00000023,
-        TreeItem       = 0x00000024,
-        PageTab        = 0x00000025,
-        PropertyPage   = 0x00000026,
-        Indicator      = 0x00000027,
-        Graphic        = 0x00000028,
-        StaticText     = 0x00000029,
-        EditableText   = 0x0000002A,  // Editable, selectable, etc.
-        Button         = 0x0000002B,
-#ifndef Q_QDOC
-        PushButton     = Button, // deprecated
-#endif
-        CheckBox       = 0x0000002C,
-        RadioButton    = 0x0000002D,
-        ComboBox       = 0x0000002E,
-        // DropList       = 0x0000002F,
-        ProgressBar    = 0x00000030,
-        Dial           = 0x00000031,
-        HotkeyField    = 0x00000032,
-        Slider         = 0x00000033,
-        SpinBox        = 0x00000034,
-        Canvas         = 0x00000035, // MSAA: ROLE_SYSTEM_DIAGRAM - The object represents a graphical image that is used to diagram data.
-        Animation      = 0x00000036,
-        Equation       = 0x00000037,
-        ButtonDropDown = 0x00000038, // The object represents a button that expands a grid.
-        ButtonMenu     = 0x00000039,
-        ButtonDropGrid = 0x0000003A,
-        Whitespace     = 0x0000003B, // The object represents blank space between other objects.
-        PageTabList    = 0x0000003C,
-        Clock          = 0x0000003D,
-        Splitter       = 0x0000003E,
-        // Reserved space in case MSAA roles needs to be added
-
-        // Additional Qt roles where enum value does not map directly to MSAA:
-        LayeredPane    = 0x00000080,
-        Terminal       = 0x00000081,
-        Desktop        = 0x00000082,
-        Paragraph      = 0x00000083,
-        WebDocument    = 0x00000084,
-        Section        = 0x00000085,
-        Notification   = 0x00000086,
-
-        // IAccessible2 roles
-        // IA2_ROLE_CANVAS = 0x401, // An object that can be drawn into and to manage events from the objects drawn into it
-        // IA2_ROLE_CAPTION = 0x402,
-        // IA2_ROLE_CHECK_MENU_ITEM = 0x403,
-        ColorChooser = 0x404,
-        // IA2_ROLE_DATE_EDITOR = 0x405,
-        // IA2_ROLE_DESKTOP_ICON = 0x406,
-        // IA2_ROLE_DESKTOP_PANE = 0x407,
-        // IA2_ROLE_DIRECTORY_PANE = 0x408,
-        // IA2_ROLE_EDITBAR = 0x409,
-        // IA2_ROLE_EMBEDDED_OBJECT = 0x40A,
-        // IA2_ROLE_ENDNOTE = 0x40B,
-        // IA2_ROLE_FILE_CHOOSER = 0x40C,
-        // IA2_ROLE_FONT_CHOOSER = 0x40D,
-        Footer      = 0x40E,
-        // IA2_ROLE_FOOTNOTE = 0x40F,
-        Form        = 0x410,
-        // some platforms (windows and at-spi) use Frame for regular windows
-        // because window was taken for tool/dock windows by MSAA
-        // Frame = 0x411,
-        // IA2_ROLE_GLASS_PANE = 0x412,
-        // IA2_ROLE_HEADER = 0x413,
-        Heading  = 0x414,
-        // IA2_ROLE_ICON = 0x415,
-        // IA2_ROLE_IMAGE_MAP = 0x416,
-        // IA2_ROLE_INPUT_METHOD_WINDOW = 0x417,
-        // IA2_ROLE_INTERNAL_FRAME = 0x418,
-        // IA2_ROLE_LABEL = 0x419,
-        // IA2_ROLE_LAYERED_PANE = 0x41A,
-        Note = 0x41B,
-        // IA2_ROLE_OPTION_PANE = 0x41C,
-        // IA2_ROLE_PAGE = 0x41D,
-        // IA2_ROLE_PARAGRAPH = 0x42E,
-        // IA2_ROLE_RADIO_MENU_ITEM = 0x41F,
-        // IA2_ROLE_REDUNDANT_OBJECT = 0x420,
-        // IA2_ROLE_ROOT_PANE = 0x421,
-        // IA2_ROLE_RULER = 0x422,
-        // IA2_ROLE_SCROLL_PANE = 0x423,
-        // IA2_ROLE_SECTION = 0x424,
-        // IA2_ROLE_SHAPE = 0x425,
-        // IA2_ROLE_SPLIT_PANE = 0x426,
-        // IA2_ROLE_TEAR_OFF_MENU = 0x427,
-        // IA2_ROLE_TERMINAL = 0x428,
-        // IA2_ROLE_TEXT_FRAME = 0x429,
-        // IA2_ROLE_TOGGLE_BUTTON = 0x42A,
-        // IA2_ROLE_VIEW_PORT = 0x42B,
-        ComplementaryContent = 0x42C,
-
-        UserRole       = 0x0000ffff
-    };
-    Q_ENUM(Role)
-
-    enum Text {
-        Name         = 0,
-        Description,
-        Value,
-        Help,
-        Accelerator,
-        DebugDescription,
-        UserText     = 0x0000ffff
-    };
-
-    enum RelationFlag {
-        Label         = 0x00000001,
-        Labelled      = 0x00000002,
-        Controller    = 0x00000004,
-        Controlled    = 0x00000008,
-        AllRelations  = 0xffffffff
-    };
-    Q_DECLARE_FLAGS(Relation, RelationFlag)
-
-    enum InterfaceType
-    {
-        TextInterface,
-        EditableTextInterface,
-        ValueInterface,
-        ActionInterface,
-        ImageInterface,
-        TableInterface,
-        TableCellInterface,
-        HyperlinkInterface
-    };
-
-    enum TextBoundaryType {
-        CharBoundary,
-        WordBoundary,
-        SentenceBoundary,
-        ParagraphBoundary,
-        LineBoundary,
-        NoBoundary
-    };
-
-    typedef QAccessibleInterface*(*InterfaceFactory)(const QString &key, QObject*);
-    typedef void(*UpdateHandler)(QAccessibleEvent *event);
-    typedef void(*RootObjectHandler)(QObject*);
-
-    typedef unsigned Id;
-
-    static void installFactory(InterfaceFactory);
-    static void removeFactory(InterfaceFactory);
-    static UpdateHandler installUpdateHandler(UpdateHandler);
-    static RootObjectHandler installRootObjectHandler(RootObjectHandler);
-
-    class Q_GUI_EXPORT ActivationObserver
-    {
-    public:
-        virtual ~ActivationObserver();
-        virtual void accessibilityActiveChanged(bool active) = 0;
-    };
-    static void installActivationObserver(ActivationObserver *);
-    static void removeActivationObserver(ActivationObserver *);
-
-    static QAccessibleInterface *queryAccessibleInterface(QObject *);
-    static Id uniqueId(QAccessibleInterface *iface);
-    static QAccessibleInterface *accessibleInterface(Id uniqueId);
-    static Id registerAccessibleInterface(QAccessibleInterface *iface);
-    static void deleteAccessibleInterface(Id uniqueId);
-
-    static void updateAccessibility(QAccessibleEvent *event);
-
-    static bool isActive();
-    static void setActive(bool active);
-    static void setRootObject(QObject *object);
-
-    static void cleanup();
-
-    static QPair< int, int > qAccessibleTextBoundaryHelper(const QTextCursor &cursor, TextBoundaryType boundaryType);
-
-private:
-    static UpdateHandler updateHandler;
-    static RootObjectHandler rootObjectHandler;
-
-    QAccessible() {}
-
-    friend class QAccessibleCache;
-};
-
-Q_DECLARE_OPERATORS_FOR_FLAGS(QAccessible::Relation)
-
 class QAccessible2Interface;
 class QAccessibleTextInterface;
 class QAccessibleEditableTextInterface;
diff --git a/src/gui/accessible/qaccessible_base.h b/src/gui/accessible/qaccessible_base.h
new file mode 100644
index 0000000000..2ac6ddf9b3
--- /dev/null
+++ b/src/gui/accessible/qaccessible_base.h
@@ -0,0 +1,447 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#ifndef QT_NO_ACCESSIBILITY
+#ifndef QACCESSIBLE_BASE_H
+#define QACCESSIBLE_BASE_H
+
+
+#if 0
+// QAccessible class is handled in qaccessible.h
+#pragma qt_sync_stop_processing
+#endif
+
+#include <QtCore/qglobal.h>
+#include <QtGui/qtguiglobal.h>
+#include <QtCore/qobjectdefs.h>
+
+#include <cstring> // memset, memcmp
+
+QT_BEGIN_NAMESPACE
+
+class QAccessibleInterface;
+class QAccessibleEvent;
+class QTextCursor;
+
+class Q_GUI_EXPORT QAccessible
+{
+    Q_GADGET
+public:
+
+    enum Event {
+        SoundPlayed          = 0x0001,
+        Alert                = 0x0002,
+        ForegroundChanged    = 0x0003,
+        MenuStart            = 0x0004,
+        MenuEnd              = 0x0005,
+        PopupMenuStart       = 0x0006,
+        PopupMenuEnd         = 0x0007,
+        ContextHelpStart     = 0x000C,
+        ContextHelpEnd       = 0x000D,
+        DragDropStart        = 0x000E,
+        DragDropEnd          = 0x000F,
+        DialogStart          = 0x0010,
+        DialogEnd            = 0x0011,
+        ScrollingStart       = 0x0012,
+        ScrollingEnd         = 0x0013,
+
+        MenuCommand          = 0x0018,
+
+        // Values from IAccessible2
+        ActionChanged                    = 0x0101,
+        ActiveDescendantChanged          = 0x0102,
+        AttributeChanged                 = 0x0103,
+        DocumentContentChanged           = 0x0104,
+        DocumentLoadComplete             = 0x0105,
+        DocumentLoadStopped              = 0x0106,
+        DocumentReload                   = 0x0107,
+        HyperlinkEndIndexChanged         = 0x0108,
+        HyperlinkNumberOfAnchorsChanged  = 0x0109,
+        HyperlinkSelectedLinkChanged     = 0x010A,
+        HypertextLinkActivated           = 0x010B,
+        HypertextLinkSelected            = 0x010C,
+        HyperlinkStartIndexChanged       = 0x010D,
+        HypertextChanged                 = 0x010E,
+        HypertextNLinksChanged           = 0x010F,
+        ObjectAttributeChanged           = 0x0110,
+        PageChanged                      = 0x0111,
+        SectionChanged                   = 0x0112,
+        TableCaptionChanged              = 0x0113,
+        TableColumnDescriptionChanged    = 0x0114,
+        TableColumnHeaderChanged         = 0x0115,
+        TableModelChanged                = 0x0116,
+        TableRowDescriptionChanged       = 0x0117,
+        TableRowHeaderChanged            = 0x0118,
+        TableSummaryChanged              = 0x0119,
+        TextAttributeChanged             = 0x011A,
+        TextCaretMoved                   = 0x011B,
+        // TextChanged = 0x011C, is deprecated in IA2, use TextUpdated
+        TextColumnChanged                = 0x011D,
+        TextInserted                     = 0x011E,
+        TextRemoved                      = 0x011F,
+        TextUpdated                      = 0x0120,
+        TextSelectionChanged             = 0x0121,
+        VisibleDataChanged               = 0x0122,
+
+        ObjectCreated        = 0x8000,
+        ObjectDestroyed      = 0x8001,
+        ObjectShow           = 0x8002,
+        ObjectHide           = 0x8003,
+        ObjectReorder        = 0x8004,
+        Focus                = 0x8005,
+        Selection            = 0x8006,
+        SelectionAdd         = 0x8007,
+        SelectionRemove      = 0x8008,
+        SelectionWithin      = 0x8009,
+        StateChanged         = 0x800A,
+        LocationChanged      = 0x800B,
+        NameChanged          = 0x800C,
+        DescriptionChanged   = 0x800D,
+        ValueChanged         = 0x800E,
+        ParentChanged        = 0x800F,
+        HelpChanged          = 0x80A0,
+        DefaultActionChanged = 0x80B0,
+        AcceleratorChanged   = 0x80C0,
+
+        InvalidEvent
+    };
+    Q_ENUM(Event)
+
+    // 64 bit enums seem hard on some platforms (windows...)
+    // which makes using a bit field a sensible alternative
+    struct State {
+        // http://msdn.microsoft.com/en-us/library/ms697270.aspx
+        quint64 disabled : 1; // used to be Unavailable
+        quint64 selected : 1;
+        quint64 focusable : 1;
+        quint64 focused : 1;
+        quint64 pressed : 1;
+        quint64 checkable : 1;
+        quint64 checked : 1;
+        quint64 checkStateMixed : 1; // used to be Mixed
+        quint64 readOnly : 1;
+        quint64 hotTracked : 1;
+        quint64 defaultButton : 1;
+        quint64 expanded : 1;
+        quint64 collapsed : 1;
+        quint64 busy : 1;
+        quint64 expandable : 1;
+        quint64 marqueed : 1;
+        quint64 animated : 1;
+        quint64 invisible : 1;
+        quint64 offscreen : 1;
+        quint64 sizeable : 1;
+        quint64 movable : 1;
+        quint64 selfVoicing : 1;
+        quint64 selectable : 1;
+        quint64 linked : 1;
+        quint64 traversed : 1;
+        quint64 multiSelectable : 1;
+        quint64 extSelectable : 1;
+        quint64 passwordEdit : 1; // used to be Protected
+        quint64 hasPopup : 1;
+        quint64 modal : 1;
+
+        // IA2 - we chose to not add some IA2 states for now
+        // Below the ones that seem helpful
+        quint64 active : 1;
+        quint64 invalid : 1; // = defunct
+        quint64 editable : 1;
+        quint64 multiLine : 1;
+        quint64 selectableText : 1;
+        quint64 supportsAutoCompletion : 1;
+
+        quint64 searchEdit : 1;
+
+        // quint64 horizontal : 1;
+        // quint64 vertical : 1;
+        // quint64 invalidEntry : 1;
+        // quint64 managesDescendants : 1;
+        // quint64 singleLine : 1; // we have multi line, this is redundant.
+        // quint64 stale : 1;
+        // quint64 transient : 1;
+        // quint64 pinned : 1;
+
+        // Apple - see http://mattgemmell.com/2010/12/19/accessibility-for-iphone-and-ipad-apps/
+        // quint64 playsSound : 1;
+        // quint64 summaryElement : 1;
+        // quint64 updatesFrequently : 1;
+        // quint64 adjustable : 1;
+        // more and not included here: http://developer.apple.com/library/mac/#documentation/UserExperience/Reference/Accessibility_RoleAttribute_Ref/Attributes.html
+
+        // MSAA
+        // quint64 alertLow : 1;
+        // quint64 alertMedium : 1;
+        // quint64 alertHigh : 1;
+
+        State() {
+            std::memset(this, 0, sizeof(State));
+        }
+        friend inline bool operator==(const QAccessible::State &first, const QAccessible::State &second)
+        {
+            return std::memcmp(&first, &second, sizeof(QAccessible::State)) == 0;
+        }
+    };
+
+
+
+
+
+    enum Role {
+        NoRole         = 0x00000000,
+        TitleBar       = 0x00000001,
+        MenuBar        = 0x00000002,
+        ScrollBar      = 0x00000003,
+        Grip           = 0x00000004,
+        Sound          = 0x00000005,
+        Cursor         = 0x00000006,
+        Caret          = 0x00000007,
+        AlertMessage   = 0x00000008,
+        Window         = 0x00000009,
+        Client         = 0x0000000A,
+        PopupMenu      = 0x0000000B,
+        MenuItem       = 0x0000000C,
+        ToolTip        = 0x0000000D,
+        Application    = 0x0000000E,
+        Document       = 0x0000000F,
+        Pane           = 0x00000010,
+        Chart          = 0x00000011,
+        Dialog         = 0x00000012,
+        Border         = 0x00000013,
+        Grouping       = 0x00000014,
+        Separator      = 0x00000015,
+        ToolBar        = 0x00000016,
+        StatusBar      = 0x00000017,
+        Table          = 0x00000018,
+        ColumnHeader   = 0x00000019,
+        RowHeader      = 0x0000001A,
+        Column         = 0x0000001B,
+        Row            = 0x0000001C,
+        Cell           = 0x0000001D,
+        Link           = 0x0000001E,
+        HelpBalloon    = 0x0000001F,
+        Assistant      = 0x00000020,
+        List           = 0x00000021,
+        ListItem       = 0x00000022,
+        Tree           = 0x00000023,
+        TreeItem       = 0x00000024,
+        PageTab        = 0x00000025,
+        PropertyPage   = 0x00000026,
+        Indicator      = 0x00000027,
+        Graphic        = 0x00000028,
+        StaticText     = 0x00000029,
+        EditableText   = 0x0000002A,  // Editable, selectable, etc.
+        Button         = 0x0000002B,
+#ifndef Q_QDOC
+        PushButton     = Button, // deprecated
+#endif
+        CheckBox       = 0x0000002C,
+        RadioButton    = 0x0000002D,
+        ComboBox       = 0x0000002E,
+        // DropList       = 0x0000002F,
+        ProgressBar    = 0x00000030,
+        Dial           = 0x00000031,
+        HotkeyField    = 0x00000032,
+        Slider         = 0x00000033,
+        SpinBox        = 0x00000034,
+        Canvas         = 0x00000035, // MSAA: ROLE_SYSTEM_DIAGRAM - The object represents a graphical image that is used to diagram data.
+        Animation      = 0x00000036,
+        Equation       = 0x00000037,
+        ButtonDropDown = 0x00000038, // The object represents a button that expands a grid.
+        ButtonMenu     = 0x00000039,
+        ButtonDropGrid = 0x0000003A,
+        Whitespace     = 0x0000003B, // The object represents blank space between other objects.
+        PageTabList    = 0x0000003C,
+        Clock          = 0x0000003D,
+        Splitter       = 0x0000003E,
+        // Reserved space in case MSAA roles needs to be added
+
+        // Additional Qt roles where enum value does not map directly to MSAA:
+        LayeredPane    = 0x00000080,
+        Terminal       = 0x00000081,
+        Desktop        = 0x00000082,
+        Paragraph      = 0x00000083,
+        WebDocument    = 0x00000084,
+        Section        = 0x00000085,
+        Notification   = 0x00000086,
+
+        // IAccessible2 roles
+        // IA2_ROLE_CANVAS = 0x401, // An object that can be drawn into and to manage events from the objects drawn into it
+        // IA2_ROLE_CAPTION = 0x402,
+        // IA2_ROLE_CHECK_MENU_ITEM = 0x403,
+        ColorChooser = 0x404,
+        // IA2_ROLE_DATE_EDITOR = 0x405,
+        // IA2_ROLE_DESKTOP_ICON = 0x406,
+        // IA2_ROLE_DESKTOP_PANE = 0x407,
+        // IA2_ROLE_DIRECTORY_PANE = 0x408,
+        // IA2_ROLE_EDITBAR = 0x409,
+        // IA2_ROLE_EMBEDDED_OBJECT = 0x40A,
+        // IA2_ROLE_ENDNOTE = 0x40B,
+        // IA2_ROLE_FILE_CHOOSER = 0x40C,
+        // IA2_ROLE_FONT_CHOOSER = 0x40D,
+        Footer      = 0x40E,
+        // IA2_ROLE_FOOTNOTE = 0x40F,
+        Form        = 0x410,
+        // some platforms (windows and at-spi) use Frame for regular windows
+        // because window was taken for tool/dock windows by MSAA
+        // Frame = 0x411,
+        // IA2_ROLE_GLASS_PANE = 0x412,
+        // IA2_ROLE_HEADER = 0x413,
+        Heading  = 0x414,
+        // IA2_ROLE_ICON = 0x415,
+        // IA2_ROLE_IMAGE_MAP = 0x416,
+        // IA2_ROLE_INPUT_METHOD_WINDOW = 0x417,
+        // IA2_ROLE_INTERNAL_FRAME = 0x418,
+        // IA2_ROLE_LABEL = 0x419,
+        // IA2_ROLE_LAYERED_PANE = 0x41A,
+        Note = 0x41B,
+        // IA2_ROLE_OPTION_PANE = 0x41C,
+        // IA2_ROLE_PAGE = 0x41D,
+        // IA2_ROLE_PARAGRAPH = 0x42E,
+        // IA2_ROLE_RADIO_MENU_ITEM = 0x41F,
+        // IA2_ROLE_REDUNDANT_OBJECT = 0x420,
+        // IA2_ROLE_ROOT_PANE = 0x421,
+        // IA2_ROLE_RULER = 0x422,
+        // IA2_ROLE_SCROLL_PANE = 0x423,
+        // IA2_ROLE_SECTION = 0x424,
+        // IA2_ROLE_SHAPE = 0x425,
+        // IA2_ROLE_SPLIT_PANE = 0x426,
+        // IA2_ROLE_TEAR_OFF_MENU = 0x427,
+        // IA2_ROLE_TERMINAL = 0x428,
+        // IA2_ROLE_TEXT_FRAME = 0x429,
+        // IA2_ROLE_TOGGLE_BUTTON = 0x42A,
+        // IA2_ROLE_VIEW_PORT = 0x42B,
+        ComplementaryContent = 0x42C,
+
+        UserRole       = 0x0000ffff
+    };
+    Q_ENUM(Role)
+
+    enum Text {
+        Name         = 0,
+        Description,
+        Value,
+        Help,
+        Accelerator,
+        DebugDescription,
+        UserText     = 0x0000ffff
+    };
+
+    enum RelationFlag {
+        Label         = 0x00000001,
+        Labelled      = 0x00000002,
+        Controller    = 0x00000004,
+        Controlled    = 0x00000008,
+        AllRelations  = 0xffffffff
+    };
+    Q_DECLARE_FLAGS(Relation, RelationFlag)
+
+    enum InterfaceType
+    {
+        TextInterface,
+        EditableTextInterface,
+        ValueInterface,
+        ActionInterface,
+        ImageInterface,
+        TableInterface,
+        TableCellInterface,
+        HyperlinkInterface
+    };
+
+    enum TextBoundaryType {
+        CharBoundary,
+        WordBoundary,
+        SentenceBoundary,
+        ParagraphBoundary,
+        LineBoundary,
+        NoBoundary
+    };
+
+    typedef QAccessibleInterface*(*InterfaceFactory)(const QString &key, QObject*);
+    typedef void(*UpdateHandler)(QAccessibleEvent *event);
+    typedef void(*RootObjectHandler)(QObject*);
+
+    typedef unsigned Id;
+
+    static void installFactory(InterfaceFactory);
+    static void removeFactory(InterfaceFactory);
+    static UpdateHandler installUpdateHandler(UpdateHandler);
+    static RootObjectHandler installRootObjectHandler(RootObjectHandler);
+
+    class Q_GUI_EXPORT ActivationObserver
+    {
+    public:
+        virtual ~ActivationObserver();
+        virtual void accessibilityActiveChanged(bool active) = 0;
+    };
+    static void installActivationObserver(ActivationObserver *);
+    static void removeActivationObserver(ActivationObserver *);
+
+    static QAccessibleInterface *queryAccessibleInterface(QObject *);
+    static Id uniqueId(QAccessibleInterface *iface);
+    static QAccessibleInterface *accessibleInterface(Id uniqueId);
+    static Id registerAccessibleInterface(QAccessibleInterface *iface);
+    static void deleteAccessibleInterface(Id uniqueId);
+
+    static void updateAccessibility(QAccessibleEvent *event);
+
+    static bool isActive();
+    static void setActive(bool active);
+    static void setRootObject(QObject *object);
+
+    static void cleanup();
+
+    static QPair< int, int > qAccessibleTextBoundaryHelper(const QTextCursor &cursor, TextBoundaryType boundaryType);
+
+private:
+    static UpdateHandler updateHandler;
+    static RootObjectHandler rootObjectHandler;
+
+    QAccessible() {}
+
+    friend class QAccessibleCache;
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QAccessible::Relation)
+
+QT_END_NAMESPACE
+
+#endif // QACCESSIBLE_BASE_H
+#endif // QT_CONFIG(accessibility)