The QAccessibleDisplay class implements the QAccessibleInterface for widgets that display information. More...

#include <simplewidgets.h>

Inheritance diagram for QAccessibleDisplay:

Public Functions
QString	imageDescription ()

QRect	imagePosition (QAccessible2::CoordinateType coordType)

QSize	imageSize ()

int	navigate (RelationFlag, int entry, QAccessibleInterface **target) const
	Reimplemented Function More...

	QAccessibleDisplay (QWidget *w, Role role=StaticText)
	Constructs a QAccessibleDisplay object for w. More...

Relation	relationTo (int child, const QAccessibleInterface *other, int otherChild) const
	Reimplemented Function More...

Role	role (int child) const
	Reimplemented Function More...

QString	text (Text t, int child) const
	Reimplemented Function More...

Public Functions inherited from QAccessibleWidgetEx
QString	actionText (int action, Text t, int child) const
	Returns the text property t of the action action supported by the object, or of the object's child if child is not 0. More...

int	childAt (int x, int y) const
	Returns the 1-based index of the child that contains the screen coordinates (x, y). More...

int	childCount () const
	Returns the number of children that belong to this object. More...

bool	doAction (int action, int child, const QVariantList &params)
	Asks the object, or the object's child if child is not 0, to execute action using the parameters, params. More...

int	indexOfChild (const QAccessibleInterface *child) const
	Returns the 1-based index of the object child in this object's children list, or -1 if child is not a child of this object. More...

QVariant	invokeMethodEx (Method method, int child, const QVariantList &params)

	QAccessibleWidgetEx (QWidget *o, Role r=Client, const QString &name=QString())

QRect	rect (int child) const
	Returns the geometry of the object, or of the object's child if child is not 0. More...

State	state (int child) const
	Returns the current state of the object, or of the object's child if child is not 0. More...

Public Functions inherited from QAccessibleObjectEx
bool	isValid () const
	Returns true if all the data necessary to use this interface implementation is valid (e. More...

QObject *	object () const
	Returns a pointer to the QObject this interface implementation provides information for. More...

	QAccessibleObjectEx (QObject *object)

void	setText (Text t, int child, const QString &text)
	Sets the text property t of the object, or of the object's child if child is not 0, to text. More...

int	userActionCount (int child) const
	Returns the number of custom actions of the object, or of the object's child if child is not 0. More...

Public Functions inherited from QAccessibleInterfaceEx
virtual QAccessible2Interface *	interface_cast (QAccessible2::InterfaceType)

virtual QVariant	virtual_hook (const QVariant &data)

Public Functions inherited from QAccessibleInterface
QAccessibleActionInterface *	actionInterface ()

QColor	backgroundColor ()

QAccessibleEditableTextInterface *	editableTextInterface ()

QColor	foregroundColor ()

QAccessibleImageInterface *	imageInterface ()

QVariant	invokeMethod (Method method, int child=0, const QVariantList &params=QVariantList())
	Invokes a method on child with the given parameters params and returns the result of the operation as QVariant. More...

QSet< Method >	supportedMethods ()
	Returns a QSet of QAccessible::Method that are supported by this accessible interface. More...

QAccessibleTable2Interface *	table2Interface ()

QAccessibleTableInterface *	tableInterface ()

QAccessibleTextInterface *	textInterface ()

QAccessibleValueInterface *	valueInterface ()

virtual	~QAccessibleInterface ()
	Destroys the object. More...

Public Functions inherited from QAccessibleImageInterface
QAccessible2Interface *	qAccessibleImageCastHelper ()

Public Functions inherited from QAccessible2Interface
virtual	~QAccessible2Interface ()

Additional Inherited Members
Public Types inherited from QAccessible
enum	Action { DefaultAction = 0, Press = -1, FirstStandardAction = Press, SetFocus = -2, Increase = -3, Decrease = -4, Accept = -5, Cancel = -6, Select = -7, ClearSelection = -8, RemoveSelection = -9, ExtendSelection = -10, AddToSelection = -11, LastStandardAction = AddToSelection }
	This enum describes the possible types of action that can occur. More...

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, 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, 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 }
	This enum type defines accessible event types. More...

typedef QAccessibleInterface (	InterfaceFactory) (const QString &key, QObject *)
	This is a typedef for a pointer to a function with the following signature: More...

enum	Method { ListSupportedMethods = 0, SetCursorPosition = 1, GetCursorPosition = 2, ForegroundColor = 3, BackgroundColor = 4 }
	This enum describes the possible types of methods that can be invoked on an accessible object. More...

enum	RelationFlag { Unrelated = 0x00000000, Self = 0x00000001, Ancestor = 0x00000002, Child = 0x00000004, Descendent = 0x00000008, Sibling = 0x00000010, HierarchyMask = 0x000000ff, Up = 0x00000100, Down = 0x00000200, Left = 0x00000400, Right = 0x00000800, Covers = 0x00001000, Covered = 0x00002000, GeometryMask = 0x0000ff00, FocusChild = 0x00010000, Label = 0x00020000, Labelled = 0x00040000, Controller = 0x00080000, Controlled = 0x00100000, LogicalMask = 0x00ff0000 }
	This enum type defines bit flags that can be combined to indicate the relationship between two accessible objects. More...

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, PushButton = 0x0000002B, CheckBox = 0x0000002C, RadioButton = 0x0000002D, ComboBox = 0x0000002E, ProgressBar = 0x00000030, Dial = 0x00000031, HotkeyField = 0x00000032, Slider = 0x00000033, SpinBox = 0x00000034, Canvas = 0x00000035, Animation = 0x00000036, Equation = 0x00000037, ButtonDropDown = 0x00000038, ButtonMenu = 0x00000039, ButtonDropGrid = 0x0000003A, Whitespace = 0x0000003B, PageTabList = 0x0000003C, Clock = 0x0000003D, Splitter = 0x0000003E, LayeredPane = 0x0000003F, Terminal = 0x00000040, Desktop = 0x00000041, UserRole = 0x0000ffff }
	This enum defines the role of an accessible object. More...

typedef void(*	RootObjectHandler) (QObject *)
	A function pointer type. More...

enum	StateFlag { Normal = 0x00000000, Unavailable = 0x00000001, Selected = 0x00000002, Focused = 0x00000004, Pressed = 0x00000008, Checked = 0x00000010, Mixed = 0x00000020, ReadOnly = 0x00000040, HotTracked = 0x00000080, DefaultButton = 0x00000100, Expanded = 0x00000200, Collapsed = 0x00000400, Busy = 0x00000800, Marqueed = 0x00002000, Animated = 0x00004000, Invisible = 0x00008000, Offscreen = 0x00010000, Sizeable = 0x00020000, Movable = 0x00040000, SelfVoicing = 0x00080000, Focusable = 0x00100000, Selectable = 0x00200000, Linked = 0x00400000, Traversed = 0x00800000, MultiSelectable = 0x01000000, ExtSelectable = 0x02000000, Protected = 0x20000000, HasPopup = 0x40000000, Modal = 0x80000000, HasInvokeExtension = 0x10000000 }
	This enum type defines bit flags that can be combined to indicate the state of an accessible object. More...

enum	Text { Name = 0, Description, Value, Help, Accelerator, UserText = 0x0000ffff }
	This enum specifies string information that an accessible object returns. More...

typedef void(*	UpdateHandler) (QObject *, int who, Event reason)
	A function pointer type. More...

Static Public Functions inherited from QAccessible
static void	cleanup ()

static void	initialize ()

static void	installFactory (InterfaceFactory)
	Installs the InterfaceFactory factory. More...

static RootObjectHandler	installRootObjectHandler (RootObjectHandler)
	Installs the given handler as the function to be used by setRootObject(), and returns the previously installed handler. More...

static UpdateHandler	installUpdateHandler (UpdateHandler)
	Installs the given handler as the function to be used by updateAccessibility(), and returns the previously installed handler. More...

static bool	isActive ()
	Returns true if an accessibility implementation has been requested during the runtime of the application; otherwise returns false. More...

static QAccessibleInterface *	queryAccessibleInterface (QObject *)
	If a QAccessibleInterface implementation exists for the given object, this function returns a pointer to the implementation; otherwise it returns 0. More...

static void	removeFactory (InterfaceFactory)
	Removes factory from the list of installed InterfaceFactories. More...

static void	setRootObject (QObject *)
	Sets the root accessible object of this application to object. More...

static void	updateAccessibility (QObject *, int who, Event reason)
	Notifies accessibility clients about a change in object's accessibility information. More...

Protected Functions inherited from QAccessibleWidgetEx
void	addControllingSignal (const QString &signal)

QObject *	parentObject () const

void	setAccelerator (const QString &accel)

void	setDescription (const QString &desc)

void	setHelp (const QString &help)

void	setValue (const QString &value)

QWidget *	widget () const

	~QAccessibleWidgetEx ()

Protected Functions inherited from QAccessibleObjectEx
virtual	~QAccessibleObjectEx ()

Detailed Description

The QAccessibleDisplay class implements the QAccessibleInterface for widgets that display information.

Warning: This function is not part of the public interface.

Definition at line 115 of file simplewidgets.h.

Constructors and Destructors

◆ QAccessibleDisplay()

QAccessibleDisplay::QAccessibleDisplay	(	QWidget *	w,
		Role	role = `StaticText`
	)

explicit

Constructs a QAccessibleDisplay object for w.

role is propagated to the QAccessibleWidgetEx constructor.

Definition at line 529 of file simplewidgets.cpp.

 : QAccessibleWidgetEx(w, role)
 {
 }

Functions

◆ imageDescription()

QString QAccessibleDisplay::imageDescription ( )

virtual

Warning: This function is not part of the public interface.

Implements QAccessibleImageInterface.

Definition at line 643 of file simplewidgets.cpp.

 {
 #ifndef QT_NO_TOOLTIP
     return widget()->toolTip();
 #else
     return QString::null;
 #endif
 }

◆ imagePosition()

QRect QAccessibleDisplay::imagePosition ( QAccessible2::CoordinateType coordType )

virtual

Warning: This function is not part of the public interface.

Implements QAccessibleImageInterface.

Definition at line 665 of file simplewidgets.cpp.

 {
     QLabel *label = qobject_cast<QLabel *>(widget());
     if (!label)
         return QRect();
     const QPixmap *pixmap = label->pixmap();
     if (!pixmap)
         return QRect();
 
     switch (coordType) {
     case QAccessible2::RelativeToScreen:
         return QRect(label->mapToGlobal(label->pos()), label->size());
     case QAccessible2::RelativeToParent:
         return label->geometry();
     }
 
     return QRect();
 }

◆ imageSize()

QSize QAccessibleDisplay::imageSize ( )

virtual

Warning: This function is not part of the public interface.

Implements QAccessibleImageInterface.

Definition at line 653 of file simplewidgets.cpp.

 {
     QLabel *label = qobject_cast<QLabel *>(widget());
     if (!label)
         return QSize();
     const QPixmap *pixmap = label->pixmap();
     if (!pixmap)
         return QSize();
     return pixmap->size();
 }

◆ navigate()

int QAccessibleDisplay::navigate	(	RelationFlag	rel,
		int	entry,
		QAccessibleInterface **	target
	)		const

virtual

Reimplemented Function

Reimplemented from QAccessibleWidgetEx.

Definition at line 623 of file simplewidgets.cpp.

 {
     *target = 0;
     if (rel == Labelled) {
         QObject *targetObject = 0;
         QLabel *label = qobject_cast<QLabel*>(object());
         if (label) {
 #ifndef QT_NO_SHORTCUT
             if (entry == 1)
                 targetObject = label->buddy();
 #endif
         }
         *target = QAccessible::queryAccessibleInterface(targetObject);
         if (*target)
             return 0;
     }
     return QAccessibleWidgetEx::navigate(rel, entry, target);
 }

◆ relationTo()

QAccessible::Relation QAccessibleDisplay::relationTo	(	int	child,
		const QAccessibleInterface *	other,
		int	otherChild
	)		const

virtual

Reimplemented Function

Reimplemented from QAccessibleWidgetEx.

Definition at line 604 of file simplewidgets.cpp.

 {
     Relation relation = QAccessibleWidgetEx::relationTo(child, other, otherChild);
     if (child || otherChild)
         return relation;
 
     QObject *o = other->object();
     QLabel *label = qobject_cast<QLabel*>(object());
     if (label) {
 #ifndef QT_NO_SHORTCUT
         if (o == label->buddy())
             relation |= Label;
 #endif
     }
     return relation;
 }

◆ role()

QAccessible::Role QAccessibleDisplay::role ( int child ) const

virtual

Reimplemented Function

Reimplemented from QAccessibleWidgetEx.

Definition at line 535 of file simplewidgets.cpp.

 {
     QLabel *l = qobject_cast<QLabel*>(object());
     if (l) {
         if (l->pixmap())
             return Graphic;
 #ifndef QT_NO_PICTURE
         if (l->picture())
             return Graphic;
 #endif
 #ifndef QT_NO_MOVIE
         if (l->movie())
             return Animation;
 #endif
 #ifndef QT_NO_PROGRESSBAR
     } else if (qobject_cast<QProgressBar*>(object())) {
         return ProgressBar;
 #endif
     } else if (qobject_cast<QStatusBar*>(object())) {
         return StatusBar;
     }
     return QAccessibleWidgetEx::role(child);
 }

◆ text()

QString QAccessibleDisplay::text	(	Text	t,
		int	child
	)		const

virtual

Reimplemented Function

Reimplemented from QAccessibleWidgetEx.

Definition at line 560 of file simplewidgets.cpp.

 {
     QString str;
     switch (t) {
     case Name:
         str = widget()->accessibleName();
         if (str.isEmpty()) {
             if (qobject_cast<QLabel*>(object())) {
                 QLabel *label = qobject_cast<QLabel*>(object());
                 str = label->text();
                 if (label->textFormat() == Qt::RichText
                     || (label->textFormat() == Qt::AutoText && Qt::mightBeRichText(str))) {
                     QTextDocument doc;
                     doc.setHtml(str);
                     str = doc.toPlainText();
                 }
 #ifndef QT_NO_LCDNUMBER
             } else if (qobject_cast<QLCDNumber*>(object())) {
                 QLCDNumber *l = qobject_cast<QLCDNumber*>(object());
                 if (l->digitCount())
                     str = QString::number(l->value());
                 else
                     str = QString::number(l->intValue());
 #endif
             } else if (qobject_cast<QStatusBar*>(object())) {
                 return qobject_cast<QStatusBar*>(object())->currentMessage();
             }
         }
         break;
     case Value:
 #ifndef QT_NO_PROGRESSBAR
         if (qobject_cast<QProgressBar*>(object()))
             str = QString::number(qobject_cast<QProgressBar*>(object())->value());
 #endif
         break;
     default:
         break;
     }
     if (str.isEmpty())
         str = QAccessibleWidgetEx::text(t, child);;
     return qt_accStripAmp(str);
 }

The documentation for this class was generated from the following files:

/src/plugins/accessible/widgets/simplewidgets.h
/src/plugins/accessible/widgets/simplewidgets.cpp

Public Functions

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ QAccessibleDisplay()

Functions

◆ imageDescription()

◆ imagePosition()

◆ imageSize()

◆ navigate()

◆ relationTo()

◆ role()

◆ text()