Fix accessiblity events for combo-boxes

The editable text-fields gets value-changed events from
Blink instead of the text-changed events we needed.

Change-Id: I688c06b644f333a3ba1ebd8831adbbbb7d49cbe7
Fixes: QTBUG-78206
Reviewed-by: Peter Varga <pvarga@inf.u-szeged.hu>

2 files changed, 20 insertions, 0 deletions

diff --git a/src/core/browser_accessibility_manager_qt.cpp b/src/core/browser_accessibility_manager_qt.cpp
index 7fb1386c5..8e3ee5940 100644
--- a/src/core/browser_accessibility_manager_qt.cpp
+++ b/src/core/browser_accessibility_manager_qt.cpp
@@ -146,6 +146,24 @@ void BrowserAccessibilityManagerQt::FireBlinkEvent(ax::mojom::Event event_type,
         break;
     }
 }
+
+void BrowserAccessibilityManagerQt::FireGeneratedEvent(ui::AXEventGenerator::Event event_type,
+                                                       BrowserAccessibility* node)
+{
+    BrowserAccessibilityQt *iface = static_cast<BrowserAccessibilityQt*>(node);
+
+    switch (event_type) {
+    case ui::AXEventGenerator::Event::VALUE_CHANGED:
+        if (iface->role() == QAccessible::EditableText) {
+            QAccessibleTextUpdateEvent event(iface, -1, QString(), QString());
+            QAccessible::updateAccessibility(&event);
+        }
+        break;
+    default:
+        break;
+    }
+}
+
 #endif // QT_NO_ACCESSIBILITY
 
 }
diff --git a/src/core/browser_accessibility_manager_qt.h b/src/core/browser_accessibility_manager_qt.h
index 87c8875ba..16e2d1fe7 100644
--- a/src/core/browser_accessibility_manager_qt.h
+++ b/src/core/browser_accessibility_manager_qt.h
@@ -60,6 +60,8 @@ public:
     ~BrowserAccessibilityManagerQt() override;
     void FireBlinkEvent(ax::mojom::Event event_type,
                         BrowserAccessibility* node) override;
+    void FireGeneratedEvent(ui::AXEventGenerator::Event event_type,
+                            BrowserAccessibility* node) override;
 
     QAccessibleInterface *rootParentAccessible();
     bool isValid() const { return m_valid; }