Accessibility: Added AccessibilityEvent::titleChanged

modules/juce_gui_basics/accessibility/enums/juce_AccessibilityEvent.h

@@ -43,10 +43,16 @@ enum class AccessibilityEvent
     */
     valueChanged,
 
+    /** Indicates that the title of the UI element has changed.
+
+        This should be called on the handler whose title has changed.
+    */
+    titleChanged,
+
     /** Indicates that the structure of the UI elements has changed in a
         significant way.
 
-        This should be posted on the top-level handler whose structure has changed.
+        This should be called on the top-level handler whose structure has changed.
     */
     structureChanged,
 

modules/juce_gui_basics/native/accessibility/juce_mac_Accessibility.mm

@@ -1096,6 +1096,7 @@ void AccessibilityHandler::notifyAccessibilityEvent (AccessibilityEvent eventTyp
 
             case AccessibilityEvent::textChanged:
             case AccessibilityEvent::valueChanged:          return NSAccessibilityValueChangedNotification;
+            case AccessibilityEvent::titleChanged:          return NSAccessibilityTitleChangedNotification;
             case AccessibilityEvent::structureChanged:      return NSAccessibilityLayoutChangedNotification;
         }
 

modules/juce_gui_basics/native/accessibility/juce_win32_Accessibility.cpp

@@ -166,6 +166,14 @@ void notifyAccessibilityEventInternal (const AccessibilityHandler& handler, Inte
 
 void AccessibilityHandler::notifyAccessibilityEvent (AccessibilityEvent eventType) const
 {
+    if (eventType == AccessibilityEvent::titleChanged)
+    {
+        VARIANT newValue;
+        VariantHelpers::setString (getTitle(), &newValue);
+
+        sendAccessibilityPropertyChangedEvent (*this, UIA_NamePropertyId, newValue);
+    }
+
     auto event = [eventType] () -> EVENTID
     {
         switch (eventType)
@@ -174,6 +182,7 @@ void AccessibilityHandler::notifyAccessibilityEvent (AccessibilityEvent eventTyp
             case AccessibilityEvent::textChanged:           return UIA_Text_TextChangedEventId;
             case AccessibilityEvent::structureChanged:      return UIA_StructureChangedEventId;
             case AccessibilityEvent::rowSelectionChanged:   return UIA_SelectionItem_ElementSelectedEventId;
+            case AccessibilityEvent::titleChanged:
             case AccessibilityEvent::valueChanged:          break;
         }