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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QAccessible Class Reference</h1>
<p>The QAccessible class provides enums and static functions
relating to accessibility.
<a href="#details">More...</a>
<p><tt>#include <<a href="qaccessible-h.html">qaccessible.h</a>></tt>
<p>Inherited by <a href="qaccessibleinterface.html">QAccessibleInterface</a>.
<p><a href="qaccessible-members.html">List of all member functions.</a>
<h2>Public Members</h2>
<ul>
<li><div class=fn>enum <a href="#Event-enum"><b>Event</b></a> { 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, 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 }</div></li>
<li><div class=fn>enum <a href="#State-enum"><b>State</b></a> { Normal = 0x00000000, Unavailable = 0x00000001, Selected = 0x00000002, Focused = 0x00000004, Pressed = 0x00000008, Checked = 0x00000010, Mixed = 0x00000020, ReadOnly = 0x00000040, HotTracked = 0x00000080, Default = 0x00000100, Expanded = 0x00000200, Collapsed = 0x00000400, Busy = 0x00000800, Floating = 0x00001000, Marqueed = 0x00002000, Animated = 0x00004000, Invisible = 0x00008000, Offscreen = 0x00010000, Sizeable = 0x00020000, Moveable = 0x00040000, SelfVoicing = 0x00080000, Focusable = 0x00100000, Selectable = 0x00200000, Linked = 0x00400000, Traversed = 0x00800000, MultiSelectable = 0x01000000, ExtSelectable = 0x02000000, AlertLow = 0x04000000, AlertMedium = 0x08000000, AlertHigh = 0x10000000, Protected = 0x20000000, Valid = 0x3fffffff }</div></li>
<li><div class=fn>enum <a href="#Role-enum"><b>Role</b></a> { 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, Character = 0x00000020, List = 0x00000021, ListItem = 0x00000022, Outline = 0x00000023, OutlineItem = 0x00000024, PageTab = 0x00000025, PropertyPage = 0x00000026, Indicator = 0x00000027, Graphic = 0x00000028, StaticText = 0x00000029, EditableText = 0x0000002A, PushButton = 0x0000002B, CheckBox = 0x0000002C, RadioButton = 0x0000002D, ComboBox = 0x0000002E, DropLest = 0x0000002F, ProgressBar = 0x00000030, Dial = 0x00000031, HotkeyField = 0x00000032, Slider = 0x00000033, SpinBox = 0x00000034, Diagram = 0x00000035, Animation = 0x00000036, Equation = 0x00000037, ButtonDropDown = 0x00000038, ButtonMenu = 0x00000039, ButtonDropGrid = 0x0000003A, Whitespace = 0x0000003B, PageTabList = 0x0000003C, Clock = 0x0000003D }</div></li>
<li><div class=fn>enum <a href="#NavDirection-enum"><b>NavDirection</b></a> { NavUp = 0x00000001, NavDown = 0x00000002, NavLeft = 0x00000003, NavRight = 0x00000004, NavNext = 0x00000005, NavPrevious = 0x00000006, NavFirstChild = 0x00000007, NavLastChild = 0x00000008, NavFocusChild = 0x00000009 }</div></li>
<li><div class=fn>enum <a href="#Text-enum"><b>Text</b></a> { Name = 0, Description, Value, Help, Accelerator, DefaultAction }</div></li>
</ul>
<h2>Static Public Members</h2>
<ul>
<li><div class=fn>QRESULT <a href="#queryAccessibleInterface"><b>queryAccessibleInterface</b></a> ( QObject * object, QAccessibleInterface ** iface )</div></li>
<li><div class=fn>void <a href="#updateAccessibility"><b>updateAccessibility</b></a> ( QObject * object, int control, Event reason )</div></li>
</ul>
<hr><a name="details"></a><h2>Detailed Description</h2>
The QAccessible class provides enums and static functions
relating to accessibility.
<p> Accessibility clients use implementations of the
<a href="qaccessibleinterface.html">QAccessibleInterface</a> to read information an accessible object
exposes, or to call methods to manipulate the accessible object.
<p>
<p> See the <a href="plugins-howto.html">plugin documentation</a> for
more details about how to redistribute Qt plugins.
<p>See also <a href="misc.html">Miscellaneous Classes</a>.
<hr><h2>Member Type Documentation</h2>
<h3 class=fn><a name="Event-enum"></a>QAccessible::Event</h3>
This enum type defines event types when the state of the accessible object has changed.
Event types are
<ul>
<li><tt>QAccessible::SoundPlayed</tt>
<li><tt>QAccessible::Alert</tt>
<li><tt>QAccessible::ForegroundChanged</tt>
<li><tt>QAccessible::MenuStart</tt>
<li><tt>QAccessible::MenuEnd</tt>
<li><tt>QAccessible::PopupMenuStart</tt>
<li><tt>QAccessible::PopupMenuEnd</tt>
<li><tt>QAccessible::ContextHelpStart</tt>
<li><tt>QAccessible::ContextHelpEnd</tt>
<li><tt>QAccessible::DragDropStart</tt>
<li><tt>QAccessible::DragDropEnd</tt>
<li><tt>QAccessible::DialogStart</tt>
<li><tt>QAccessible::DialogEnd</tt>
<li><tt>QAccessible::ScrollingStart</tt>
<li><tt>QAccessible::ScrollingEnd</tt>
<li><tt>QAccessible::ObjectCreated</tt>
<li><tt>QAccessible::ObjectDestroyed</tt>
<li><tt>QAccessible::ObjectShow</tt>
<li><tt>QAccessible::ObjectHide</tt>
<li><tt>QAccessible::ObjectReorder</tt>
<li><tt>QAccessible::Focus</tt>
<li><tt>QAccessible::Selection</tt>
<li><tt>QAccessible::SelectionAdd</tt>
<li><tt>QAccessible::SelectionRemove</tt>
<li><tt>QAccessible::SelectionWithin</tt>
<li><tt>QAccessible::StateChanged</tt>
<li><tt>QAccessible::LocationChanged</tt>
<li><tt>QAccessible::NameChanged</tt>
<li><tt>QAccessible::DescriptionChanged</tt>
<li><tt>QAccessible::ValueChanged</tt>
<li><tt>QAccessible::ParentChanged</tt>
<li><tt>QAccessible::HelpChanged</tt>
<li><tt>QAccessible::DefaultActionChanged</tt>
<li><tt>QAccessible::AcceleratorChanged</tt>
<li><tt>QAccessible::MenuCommand</tt>
</ul>
<h3 class=fn><a name="NavDirection-enum"></a>QAccessible::NavDirection</h3>
This enum specifies to which item to move when navigating.
<ul>
<li><tt>QAccessible::NavUp</tt> - sibling above
<li><tt>QAccessible::NavDown</tt> - sibling below
<li><tt>QAccessible::NavLeft</tt> - left sibling
<li><tt>QAccessible::NavRight</tt> - right sibling
<li><tt>QAccessible::NavNext</tt> - next sibling
<li><tt>QAccessible::NavPrevious</tt> - previous sibling
<li><tt>QAccessible::NavFirstChild</tt> - first child
<li><tt>QAccessible::NavLastChild</tt> - last child
<li><tt>QAccessible::NavFocusChild</tt> - child with focus
</ul>
<h3 class=fn><a name="Role-enum"></a>QAccessible::Role</h3>
This enum defines a number of roles an accessible object can have.
Roles are
<ul>
<li><tt>QAccessible::NoRole</tt>
<li><tt>QAccessible::TitleBar</tt>
<li><tt>QAccessible::MenuBar</tt>
<li><tt>QAccessible::ScrollBar</tt>
<li><tt>QAccessible::Grip</tt>
<li><tt>QAccessible::Sound</tt>
<li><tt>QAccessible::Cursor</tt>
<li><tt>QAccessible::Caret</tt>
<li><tt>QAccessible::AlertMessage</tt>
<li><tt>QAccessible::Window</tt>
<li><tt>QAccessible::Client</tt>
<li><tt>QAccessible::PopupMenu</tt>
<li><tt>QAccessible::MenuItem</tt>
<li><tt>QAccessible::ToolTip</tt>
<li><tt>QAccessible::Application</tt>
<li><tt>QAccessible::Document</tt>
<li><tt>QAccessible::Pane</tt>
<li><tt>QAccessible::Chart</tt>
<li><tt>QAccessible::Dialog</tt>
<li><tt>QAccessible::Border</tt>
<li><tt>QAccessible::Grouping</tt>
<li><tt>QAccessible::Separator</tt>
<li><tt>QAccessible::ToolBar</tt>
<li><tt>QAccessible::StatusBar</tt>
<li><tt>QAccessible::Table</tt>
<li><tt>QAccessible::ColumnHeader</tt>
<li><tt>QAccessible::RowHeader</tt>
<li><tt>QAccessible::Column</tt>
<li><tt>QAccessible::Row</tt>
<li><tt>QAccessible::Cell</tt>
<li><tt>QAccessible::Link</tt>
<li><tt>QAccessible::HelpBalloon</tt>
<li><tt>QAccessible::Character</tt>
<li><tt>QAccessible::List</tt>
<li><tt>QAccessible::ListItem</tt>
<li><tt>QAccessible::Outline</tt>
<li><tt>QAccessible::OutlineItem</tt>
<li><tt>QAccessible::PageTab</tt>
<li><tt>QAccessible::PropertyPage</tt>
<li><tt>QAccessible::Indicator</tt>
<li><tt>QAccessible::Graphic</tt>
<li><tt>QAccessible::StaticText</tt>
<li><tt>QAccessible::EditableText</tt>
<li><tt>QAccessible::PushButton</tt>
<li><tt>QAccessible::CheckBox</tt>
<li><tt>QAccessible::RadioButton</tt>
<li><tt>QAccessible::ComboBox</tt>
<li><tt>QAccessible::DropLest</tt>
<li><tt>QAccessible::ProgressBar</tt>
<li><tt>QAccessible::Dial</tt>
<li><tt>QAccessible::HotkeyField</tt>
<li><tt>QAccessible::Slider</tt>
<li><tt>QAccessible::SpinBox</tt>
<li><tt>QAccessible::Diagram</tt>
<li><tt>QAccessible::Animation</tt>
<li><tt>QAccessible::Equation</tt>
<li><tt>QAccessible::ButtonDropDown</tt>
<li><tt>QAccessible::ButtonMenu</tt>
<li><tt>QAccessible::ButtonDropGrid</tt>
<li><tt>QAccessible::Whitespace</tt>
<li><tt>QAccessible::PageTabList</tt>
<li><tt>QAccessible::Clock</tt>
</ul>
<h3 class=fn><a name="State-enum"></a>QAccessible::State</h3>
This enum type defines bitflags that can be combined to indicate the state of the accessible object.
Defined values are
<ul>
<li><tt>QAccessible::Normal</tt>
<li><tt>QAccessible::Unavailable</tt>
<li><tt>QAccessible::Selected</tt>
<li><tt>QAccessible::Focused</tt>
<li><tt>QAccessible::Pressed</tt>
<li><tt>QAccessible::Checked</tt>
<li><tt>QAccessible::Mixed</tt>
<li><tt>QAccessible::ReadOnly</tt>
<li><tt>QAccessible::HotTracked</tt>
<li><tt>QAccessible::Default</tt>
<li><tt>QAccessible::Expanded</tt>
<li><tt>QAccessible::Collapsed</tt>
<li><tt>QAccessible::Busy</tt>
<li><tt>QAccessible::Floating</tt>
<li><tt>QAccessible::Marqueed</tt>
<li><tt>QAccessible::Animated</tt>
<li><tt>QAccessible::Invisible</tt>
<li><tt>QAccessible::Offscreen</tt>
<li><tt>QAccessible::Sizeable</tt>
<li><tt>QAccessible::Moveable</tt>
<li><tt>QAccessible::SelfVoicing</tt>
<li><tt>QAccessible::Focusable</tt>
<li><tt>QAccessible::Selectable</tt>
<li><tt>QAccessible::Linked</tt>
<li><tt>QAccessible::Traversed</tt>
<li><tt>QAccessible::MultiSelectable</tt>
<li><tt>QAccessible::ExtSelectable</tt>
<li><tt>QAccessible::AlertLow</tt>
<li><tt>QAccessible::AlertMedium</tt>
<li><tt>QAccessible::AlertHigh</tt>
<li><tt>QAccessible::Protected</tt>
<li><tt>QAccessible::Valid</tt>
</ul>
<h3 class=fn><a name="Text-enum"></a>QAccessible::Text</h3>
This enum specifies string information that an accessible object returns.
<ul>
<li><tt>QAccessible::Name</tt> - The name of the object
<li><tt>QAccessible::Description</tt> - A short text describing the object
<li><tt>QAccessible::Value</tt> - The value of the object
<li><tt>QAccessible::Help</tt> - A longer text giving information about how to use the object
<li><tt>QAccessible::DefaultAction</tt> - The default method to interact with the object
<li><tt>QAccessible::Accelerator</tt> - The keyboard shortcut that executes the default action
</ul>
<hr><h2>Member Function Documentation</h2>
<h3 class=fn>QRESULT <a name="queryAccessibleInterface"></a>QAccessible::queryAccessibleInterface ( <a href="qobject.html">QObject</a> * object, <a href="qaccessibleinterface.html">QAccessibleInterface</a> ** iface )<tt> [static]</tt>
</h3>
Sets <em>iface</em> to point to the implementation of the <a href="qaccessibleinterface.html">QAccessibleInterface</a> for <em>object</em>, and returns QS_OK
if successfull, or sets <em>iface</em> to 0 and returns QE_NOCOMPONENT if no accessibility implementation for
<em>object</em> exists.
<p> The function uses the <a href="qobject.html#className">classname</a> of <em>object</em> to find a suitable
implementation. If no implementation for the object's class is available the function tries to find
an implementation for the object's parent class.
<p> This function is called to answer an accessibility client's request for object information. You should
never need to call this function yourself.
<h3 class=fn>void <a name="updateAccessibility"></a>QAccessible::updateAccessibility ( <a href="qobject.html">QObject</a> * object, int control, <a href="qaccessible.html#Event-enum">Event</a> reason )<tt> [static]</tt>
</h3>
<p> Notifies accessibility clients about a change of the accessibility information of <em>object</em>.
<p> <em>reason</em> designates the cause of this change, e.g. ValueChange when the position of e.g.
a slider has been changed. <em>control</em> is the ID of the child element that has changed. When
<em>control</em> is null, the object itself has changed.
<p> Call this function whenever the state of your accessible object or one of it's subelements
has been changed either programmatically (e.g. by calling <a href="qlabel.html#setText">QLabel::setText</a>() ) or by user
interaction.
<p> If there are no accessibility tools listening to this event, the performance penalty for
calling this function is minor.
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