diff options
Diffstat (limited to 'src/gui/accessible/qaccessible.cpp')
| -rw-r--r-- | src/gui/accessible/qaccessible.cpp | 212 |
1 files changed, 193 insertions, 19 deletions
diff --git a/src/gui/accessible/qaccessible.cpp b/src/gui/accessible/qaccessible.cpp index 552ca83ed3..b037279e8b 100644 --- a/src/gui/accessible/qaccessible.cpp +++ b/src/gui/accessible/qaccessible.cpp @@ -173,6 +173,7 @@ Q_LOGGING_CATEGORY(lcAccessibilityCore, "qt.accessibility.core"); \value ActionChanged An action has been changed. \value ActiveDescendantChanged \value Alert A system alert (e.g., a message from a QMessageBox) + \value [since 6.8] Announcement The announcement of a message is requested. \value AttributeChanged \value ContextHelpEnd Context help (QWhatsThis) for an object is finished. \value ContextHelpStart Context help (QWhatsThis) for an object is initiated. @@ -354,14 +355,29 @@ Q_LOGGING_CATEGORY(lcAccessibilityCore, "qt.accessibility.core"); \enum QAccessible::RelationFlag This enum type defines bit flags that can be combined to indicate - the relationship between two accessible objects. - - \value Label The first object is the label of the second object. - \value Labelled The first object is labelled by the second object. - \value Controller The first object controls the second object. - \value Controlled The first object is controlled by the second object. - \value AllRelations Used as a mask to specify that we are interesting in information - about all relations + the relationship between two accessible objects. It is used by + the relations() function, which returns a list of all the related + interfaces of the calling object, together with the relations + for each object. + + Each entry in the list is a QPair where the \c second member stores + the relation type(s) between the \c returned object represented by the + \c first member and the \c origin (the caller) interface/object. + + In the table below, the \c returned object refers to the object in + the returned list, and the \c origin object is the one represented + by the calling interface. + + \value Label The \c returned object is the label for the \c origin object. + \value Labelled The \c returned object is labelled by the \c origin object. + \value Controller The \c returned object controls the \c origin object. + \value Controlled The \c returned object is controlled by the \c origin object. + \value [since 6.6] DescriptionFor The \c returned object provides a description for the \c origin object. + \value [since 6.6] Described The \c returned object is described by the \c origin object. + \value [since 6.6] FlowsFrom Content logically flows from the \c returned object to the \c origin object. + \value [since 6.6] FlowsTo Content logically flows to the \c returned object from the \c origin object. + \value AllRelations Used as a mask to specify that we are interesting in information + about all relations Implementations of relations() return a combination of these flags. Some values are mutually exclusive. @@ -397,6 +413,67 @@ Q_LOGGING_CATEGORY(lcAccessibilityCore, "qt.accessibility.core"); \sa QAccessibleTextInterface */ +/*! \enum QAccessible::Attribute + This enum describes different types of attributes used by the + \l QAccessibleAttributesInterface. + \since 6.8 + + These attributes are comparable to the concept of properties/(object) + attributes found in ARIA, AT-SPI2, IAccessible, UIA and NSAccessibility + and are mapped to their platform counterpart where applicable. + + Each attribute is handled as a key-value pair, with the values of this + enumeration being used as keys. + + Attribute values are represented in a \l QVariant. The type of the value + stored in the \l QVariant is fixed and specified below for each of the + attribute types. + + \value Custom value type: \a QHash<QString, QString> + The \a Custom attribute is special in that + it can effectively represent multiple attributes at + once, since it itself is a \l QHash used to represent + key-value pairs. + For platforms supporting custom key-value pairs for + attributes, those set in the \a Custom attribute + are bridged to the platform layer without applying any + translation to platform-specific attributes. In general, + the other, more strongly typed attributes should be used. + This attribute can e.g. be used for prototyping + before officially adding an official new enumeration value + for a specific feature. + \value Level value type: \a int + Defines the hierarchical level of an element within a structure, + e.g. the heading level of a heading. This attribute conceptually + matches the "aria-level" property in ARIA. + + \sa QAccessibleAttributesInterface +*/ + +/*! \enum QAccessible::AnnouncementPriority + This enum describes the priority for announcements used by the + \l QAccessibleAnnouncementEvent. + \since 6.8 + + With \a QAccessible::AnouncementPriority::Polite, assistive technologies + should announce the message at the next graceful opportunity such as at the + end of speaking the current sentence or when the user pauses typing. + + When specifying \a QAccessible::AnouncementPriority::Assertive, assistive + technologies should notify the user immediately. + + Because an interruption might disorient users or cause them to not complete + their current task, \a QAccessible::AnouncementPriority::Assertive should + not be used unless the interruption is imperative. + + \value Polite The announcement has normal priority. + \value Assertive The announcement has high priority and should notify + the user immediately, even if that means interrupting the user's + current task. + + \sa QAccessibleAnnouncementEvent +*/ + /*! \enum QAccessible::InterfaceType @@ -416,8 +493,9 @@ Q_LOGGING_CATEGORY(lcAccessibilityCore, "qt.accessibility.core"); \value TableCellInterface For cells in a TableInterface object. \value HyperlinkInterface For hyperlink nodes (usually embedded as children of text nodes) \value [since 6.5] SelectionInterface For non-text objects that support selection of child objects. + \value [since 6.8] AttributesInterface For objects that support object-specific attributes. - \sa QAccessibleInterface::interface_cast(), QAccessibleTextInterface, QAccessibleValueInterface, QAccessibleActionInterface, QAccessibleTableInterface, QAccessibleTableCellInterface, QAccessibleSelectionInterface + \sa QAccessibleInterface::interface_cast(), QAccessibleTextInterface, QAccessibleValueInterface, QAccessibleActionInterface, QAccessibleTableInterface, QAccessibleTableCellInterface, QAccessibleSelectionInterface, QAccessibleAttributesInterface */ #if QT_CONFIG(accessibility) @@ -437,7 +515,7 @@ QAccessibleInterface::~QAccessibleInterface() /* accessible widgets plugin discovery stuff */ -Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader, +Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, acLoader, (QAccessibleFactoryInterface_iid, "/accessible"_L1)) typedef QHash<QString, QAccessiblePlugin*> QAccessiblePluginsHash; Q_GLOBAL_STATIC(QAccessiblePluginsHash, qAccessiblePlugins) @@ -683,9 +761,9 @@ QAccessibleInterface *QAccessible::queryAccessibleInterface(QObject *object) // no entry in the cache try to create it using the plugin loader. if (!qAccessiblePlugins()->contains(cn)) { QAccessiblePlugin *factory = nullptr; // 0 means "no plugin found". This is cached as well. - const int index = loader()->indexOf(cn); + const int index = acLoader()->indexOf(cn); if (index != -1) - factory = qobject_cast<QAccessiblePlugin *>(loader()->instance(index)); + factory = qobject_cast<QAccessiblePlugin *>(acLoader()->instance(index)); qAccessiblePlugins()->insert(cn, factory); } @@ -851,11 +929,11 @@ void QAccessible::updateAccessibility(QAccessibleEvent *event) if (iface->tableInterface()) iface->tableInterface()->modelChange(static_cast<QAccessibleTableModelChangeEvent*>(event)); } + } - if (updateHandler) { - updateHandler(event); - return; - } + if (updateHandler) { + updateHandler(event); + return; } if (QPlatformAccessibility *pfAccessibility = platformAccessibility()) @@ -1640,8 +1718,8 @@ QAccessibleTextRemoveEvent::~QAccessibleTextRemoveEvent() /*! \fn QAccessibleTextInsertEvent::QAccessibleTextInsertEvent(QAccessibleInterface *iface, int position, const QString &text) - Constructs a new QAccessibleTextInsertEvent event for \a iface. The text has been inserted at - \a position. + Constructs a new QAccessibleTextInsertEvent event for \a iface. The \a text has been inserted + at \a position. */ /*! @@ -1725,9 +1803,58 @@ QAccessibleTextSelectionEvent::~QAccessibleTextSelectionEvent() { } +/*! + \since 6.8 + \class QAccessibleAnnouncementEvent + \ingroup accessibility + \inmodule QtGui + + \brief The QAccessibleAnnouncementEvent is used to request the announcement + of a given message by assistive technologies. + + This class is used with \l QAccessible::updateAccessibility(). +*/ + +/*! \fn QAccessibleAnnouncementEvent::QAccessibleAnnouncementEvent(QObject *object, const QString &message) + + Constructs a new QAccessibleAnnouncementEvent event for \a object + to request the announcement of \a message with priority \l QAccessible::AnnouncementPriority::Polite. + + \l QAccessibleAnnouncementEvent::setPriority can be used to adjust the priority. +*/ + +/*! \fn QAccessibleAnnouncementEvent::QAccessibleAnnouncementEvent(QAccessibleInterface *iface, const QString &message) + + Constructs a new QAccessibleAnnouncementEvent event for \a iface + to request the announcement of \a message with priority \l QAccessible::AnnouncementPriority::Polite. + + \l QAccessibleAnnouncementEvent::setPriority can be used to adjust the priority. +*/ + +/*! \fn QString QAccessibleAnnouncementEvent::message() const + + Returns the message. +*/ + +/*! \fn QAccessible::AnnouncementPriority QAccessibleAnnouncementEvent::priority() const + + Returns the priority. +*/ + +/*! \fn void QAccessibleAnnouncementEvent::setPriority(QAccessible::AnnouncementPriority priority) + + Sets the priority with which the announcement will be requested to \a priority. +*/ /*! + \internal +*/ +QAccessibleAnnouncementEvent::~QAccessibleAnnouncementEvent() +{ +} + +/*! Returns the QAccessibleInterface associated with the event. */ QAccessibleInterface *QAccessibleEvent::accessibleInterface() const @@ -2953,7 +3080,6 @@ QString QAccessibleActionInterface::nextPageAction() \class QAccessibleSelectionInterface \inmodule QtGui \ingroup accessibility - \preliminary \brief The QAccessibleSelectionInterface class implements support for selection handling. @@ -3055,6 +3181,54 @@ bool QAccessibleSelectionInterface::isSelected(QAccessibleInterface *childItem) */ +/*! + \since 6.8 + \class QAccessibleAttributesInterface + \inmodule QtGui + \ingroup accessibility + + \brief The QAccessibleAttributesInterface class implements support for + reporting attributes for an accessible object. + + Attributes are key-value pairs. Values are stored in \l QVariant. + + The \a QAccessible::Attributes enumeration describes the available keys and + documents which type to use for the value of each key. + + While the text-specific attributes handled by \l QAccessibleTextInterface::attributes + are specific to objects implementing text and are specific to a specific text + position/offset, the attributes handled by the \l QAccessibleAttributesInterface + can be used for objects of any role and apply for the whole object. + + Classes already implementing \l QAccessibleTextInterface for text-specific attrtibutes + may want to implement \l QAccessibleAttributesInterface in addition for object-specific + attributes. +*/ + +/*! + + Destroys the QAccessibleAttributesInterface. +*/ +QAccessibleAttributesInterface::~QAccessibleAttributesInterface() +{ +} + +/*! + \fn QList<QAccessible::Attribute> QAccessibleAttributesInterface::attributeKeys() const + + Returns the keys of all attributes the object supports. The \l QAccessible::Attribute + enumeration describes available keys. +*/ + +/*! + \fn QVariant QAccessibleAttributesInterface::attributeValue(QAccessible::Attribute key) const + + Returns the value of the attribute \a key of this object. + + If the specificed attribute is not set for this object, an invalid + \l QVariant is returned. +*/ + /*! \internal */ QString qAccessibleLocalizedActionDescription(const QString &actionName) { |