qaccessible_mac_carbon.cpp File Reference

Go to the source code of this file.

Functions
static OSStatus	accessibilityEventHandler (EventHandlerCallRef next_ref, EventRef event, void *data)
static OSStatus	applicationEventHandler (EventHandlerCallRef next_ref, EventRef event, void *data)
static void	installAcessibilityEventHandler (HIObjectRef hiObject)
static void	installApplicationEventhandler ()
static OSStatus	objectCreateEventHandler (EventHandlerCallRef next_ref, EventRef event, void *data)
static void	registerQtAccessibilityHIObjectSubclass ()
static void	removeEventhandler (EventHandlerUPP eventHandler)

Variables
static EventHandlerUPP	accessibilityEventHandlerUPP = 0
static EventTypeSpec	accessibilityEvents []
static EventTypeSpec	application_events []
static EventHandlerUPP	applicationEventHandlerUPP = 0
static CFStringRef	kObjectQtAccessibility = CFSTR("com.trolltech.qt.accessibility")
static EventHandlerUPP	objectCreateEventHandlerUPP = 0
static EventTypeSpec	objectCreateEvents []

Function Documentation

accessibilityEventHandler()

static OSStatus accessibilityEventHandler ( EventHandlerCallRef  next_ref, EventRef  event, void *  data  )

static

Referenced by installAcessibilityEventHandler().

applicationEventHandler()

static OSStatus applicationEventHandler ( EventHandlerCallRef  next_ref, EventRef  event, void *  data  )

static

Referenced by installApplicationEventhandler().

installAcessibilityEventHandler()

static void installAcessibilityEventHandler ( HIObjectRef  hiObject )

static

Definition at line 72 of file qaccessible_mac_carbon.cpp.

Referenced by QAccessibleHierarchyManager::registerInterface().

{
    if (!accessibilityEventHandlerUPP)
        accessibilityEventHandlerUPP = NewEventHandlerUPP(accessibilityEventHandler);

    InstallHIObjectEventHandler(hiObject, accessibilityEventHandlerUPP,
                                        GetEventTypeCount(accessibilityEvents),
                                        accessibilityEvents, 0, 0);
}

installApplicationEventhandler()

static void installApplicationEventhandler ( )

static

Definition at line 100 of file qaccessible_mac_carbon.cpp.

Referenced by QAccessible::initialize().

{
    if (!applicationEventHandlerUPP)
        applicationEventHandlerUPP = NewEventHandlerUPP(applicationEventHandler);

    OSStatus err = InstallApplicationEventHandler(applicationEventHandlerUPP,
                            GetEventTypeCount(application_events), application_events,
                            0, 0);

    if (err && err != eventHandlerAlreadyInstalledErr)
        qWarning("qaccessible_mac internal error: Could not install application accessibility event handler");
}

objectCreateEventHandler()

static OSStatus objectCreateEventHandler ( EventHandlerCallRef  next_ref, EventRef  event, void *  data  )

static

Definition at line 82 of file qaccessible_mac_carbon.cpp.

Referenced by registerQtAccessibilityHIObjectSubclass().

{
    Q_UNUSED(data)
    Q_UNUSED(event)
    Q_UNUSED(next_ref)
    return noErr;
}

registerQtAccessibilityHIObjectSubclass()

static void registerQtAccessibilityHIObjectSubclass ( )

static

Definition at line 90 of file qaccessible_mac_carbon.cpp.

Referenced by QAccessible::initialize().

{
    if (!objectCreateEventHandlerUPP)
        objectCreateEventHandlerUPP = NewEventHandlerUPP(objectCreateEventHandler);
    OSStatus err = HIObjectRegisterSubclass(kObjectQtAccessibility, 0, 0, objectCreateEventHandlerUPP,
                                         GetEventTypeCount(objectCreateEvents), objectCreateEvents, 0, 0);
    if (err && err != hiObjectClassExistsErr)
        qWarning("qaccessible_mac internal error: Could not register accessibility HIObject subclass");
}

removeEventhandler()

static void removeEventhandler ( EventHandlerUPP  eventHandler )

static

Definition at line 113 of file qaccessible_mac_carbon.cpp.

Referenced by QAccessible::cleanup().

{
    if (eventHandler) {
        DisposeEventHandlerUPP(eventHandler);
        eventHandler = 0;
    }
}

Variable Documentation

accessibilityEventHandlerUPP

EventHandlerUPP accessibilityEventHandlerUPP = 0

static

Definition at line 59 of file qaccessible_mac_carbon.cpp.

Referenced by QAccessible::cleanup(), and installAcessibilityEventHandler().

accessibilityEvents

EventTypeSpec accessibilityEvents[]

static

Initial value:

= {
    { kEventClassAccessibility,  kEventAccessibleGetChildAtPoint },
    { kEventClassAccessibility,  kEventAccessibleGetFocusedChild },
    { kEventClassAccessibility,  kEventAccessibleGetAllAttributeNames },
    { kEventClassAccessibility,  kEventAccessibleGetNamedAttribute },
    { kEventClassAccessibility,  kEventAccessibleSetNamedAttribute },
    { kEventClassAccessibility,  kEventAccessibleIsNamedAttributeSettable },
    { kEventClassAccessibility,  kEventAccessibleGetAllActionNames },
    { kEventClassAccessibility,  kEventAccessiblePerformNamedAction },
    { kEventClassAccessibility,  kEventAccessibleGetNamedActionDescription }
}

Definition at line 60 of file qaccessible_mac_carbon.cpp.

Referenced by installAcessibilityEventHandler().

application_events

EventTypeSpec application_events[]

static

Initial value:

= {
    { kEventClassAccessibility,  kEventAccessibleGetChildAtPoint },
    { kEventClassAccessibility,  kEventAccessibleGetNamedAttribute }
}

Definition at line 44 of file qaccessible_mac_carbon.cpp.

Referenced by installApplicationEventhandler().

applicationEventHandlerUPP

EventHandlerUPP applicationEventHandlerUPP = 0

static

Definition at line 43 of file qaccessible_mac_carbon.cpp.

Referenced by QAccessible::cleanup(), and installApplicationEventhandler().

kObjectQtAccessibility

CFStringRef kObjectQtAccessibility = CFSTR("com.trolltech.qt.accessibility")

static

Definition at line 49 of file qaccessible_mac_carbon.cpp.

Referenced by QMultipleHIObjectFactory::registerChildren(), and registerQtAccessibilityHIObjectSubclass().

objectCreateEventHandlerUPP

EventHandlerUPP objectCreateEventHandlerUPP = 0

static

Definition at line 50 of file qaccessible_mac_carbon.cpp.

Referenced by QAccessible::cleanup(), and registerQtAccessibilityHIObjectSubclass().

objectCreateEvents

EventTypeSpec objectCreateEvents[]

static

Initial value:

= {
    { kEventClassHIObject,  kEventHIObjectConstruct },
    { kEventClassHIObject,  kEventHIObjectInitialize },
    { kEventClassHIObject,  kEventHIObjectDestruct },
    { kEventClassHIObject,  kEventHIObjectPrintDebugInfo }
}

Definition at line 51 of file qaccessible_mac_carbon.cpp.

Referenced by registerQtAccessibilityHIObjectSubclass().