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Cocoa: Handle accessible interface children.

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Implement AccessIbleChildrenAttribute and
accessiblityHitTest.

Change-Id: Ia9fa80e3015edbb969d173a2587cb53b9c69852e
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@nokia.com>
This commit is contained in:
Morten Johan Sorvig 2011-12-01 09:39:25 +01:00 committed by Qt by Nokia
parent 1efa30b7ef
commit 3a72240d86
1 changed files with 27 additions and 2 deletions
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29
src/plugins/platforms/cocoa/qcocoaaccessibilityelement.mm
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@ -105,6 +105,7 @@ static QAccessibleInterface *acast(void *ptr)
attributes = [[NSArray alloc] initWithObjects:
NSAccessibilityRoleAttribute,
NSAccessibilityRoleDescriptionAttribute,
NSAccessibilityChildrenAttribute,
NSAccessibilityFocusedAttribute,
NSAccessibilityParentAttribute,
NSAccessibilityWindowAttribute,
@ -122,6 +123,16 @@ static QAccessibleInterface *acast(void *ptr)
return role;
} else if ([attribute isEqualToString:NSAccessibilityRoleDescriptionAttribute]) {
return NSAccessibilityRoleDescription(role, nil);
} else if ([attribute isEqualToString:NSAccessibilityChildrenAttribute]) {
int numKids = acast(accessibleInterface)->childCount();
NSMutableArray *kids = [NSMutableArray arrayWithCapacity:numKids];
for (int i = 0; i < numKids; ++i) {
QAccessibleInterface *childInterface = acast(accessibleInterface)->child(i);
[kids addObject:[QCocoaAccessibleElement elementWithIndex:i parent:self accessibleInterface:(void*)childInterface]];
}
return NSAccessibilityUnignoredChildren(kids);
} else if ([attribute isEqualToString:NSAccessibilityFocusedAttribute]) {
// Just check if the app thinks we're focused.
id focusedElement = [NSApp accessibilityAttributeValue:NSAccessibilityFocusedUIElementAttribute];
@ -186,8 +197,22 @@ static QAccessibleInterface *acast(void *ptr)
}
- (id)accessibilityHitTest:(NSPoint)point {
Q_UNUSED(point);
return NSAccessibilityUnignoredAncestor(self);
int index = acast(accessibleInterface)->childAt(point.x, qt_mac_flipYCoordinate(point.y));
// hit outside
if (index == -1) {
return 0;
}
// hit this element
if (index == 0) {
return NSAccessibilityUnignoredAncestor(self);
}
// hit a child, forward to child accessible interface.
QAccessibleInterface *childInterface = acast(accessibleInterface)->child(index - 1);
QCocoaAccessibleElement *accessibleElement = [QCocoaAccessibleElement elementWithIndex:index - 1 parent:self accessibleInterface: childInterface];
return [accessibleElement accessibilityHitTest:point];
}
- (id)accessibilityFocusedUIElement {