Bug 611466 - Minimal support for IME in Qt, r=dougt, a=dougt

widget/src/qt/mozqwidget.cpp

@@ -238,6 +238,12 @@ bool MozQWidget::event ( QEvent * event )
         mReceiver->OnGestureEvent(static_cast<QGestureEvent*>(event),handled);
         return handled;
     }
+    case QEvent::InputMethod:
+    {
+        PRBool handled = PR_FALSE;
+        mReceiver->imComposeEvent(static_cast<QInputMethodEvent*>(event),handled);
+        return handled;
+    }
 
     default:
         break;

widget/src/qt/nsWindow.cpp

@@ -2659,20 +2659,18 @@ nsWindow::contextMenuEvent(QGraphicsSceneContextMenuEvent *)
 }
 
 nsEventStatus
-nsWindow::imStartEvent(QEvent *)
+nsWindow::imComposeEvent(QInputMethodEvent *event, PRBool &handled)
 {
-    return nsEventStatus_eIgnore;
-}
+    nsCompositionEvent start(PR_TRUE, NS_COMPOSITION_START, this);
+    DispatchEvent(&start);
 
-nsEventStatus
-nsWindow::imComposeEvent(QEvent *)
-{
-    return nsEventStatus_eIgnore;
-}
+    nsTextEvent text(PR_TRUE, NS_TEXT_TEXT, this);
+    text.theText.Assign(event->commitString().utf16());
+    DispatchEvent(&text);
+
+    nsCompositionEvent end(PR_TRUE, NS_COMPOSITION_END, this);
+    DispatchEvent(&end);
 
-nsEventStatus
-nsWindow::imEndEvent(QEvent * )
-{
     return nsEventStatus_eIgnore;
 }
 

widget/src/qt/nsWindow.h

@@ -277,9 +277,7 @@ protected:
     virtual nsEventStatus OnScrollEvent(QGraphicsSceneWheelEvent *);
 
     virtual nsEventStatus contextMenuEvent(QGraphicsSceneContextMenuEvent *);
-    virtual nsEventStatus imStartEvent(QEvent *);
-    virtual nsEventStatus imComposeEvent(QEvent *);
-    virtual nsEventStatus imEndEvent(QEvent *);
+    virtual nsEventStatus imComposeEvent(QInputMethodEvent *, PRBool &handled);
     virtual nsEventStatus OnDragEnter (QGraphicsSceneDragDropEvent *);
     virtual nsEventStatus OnDragMotionEvent(QGraphicsSceneDragDropEvent *);
     virtual nsEventStatus OnDragLeaveEvent(QGraphicsSceneDragDropEvent *);