mshtml: Ignore preventDefault calls for non-cancelable events.

Signed-off-by: Jacek Caban <jacek@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

mshtml: Ignore preventDefault calls for non-cancelable events.
8600c2a5 · Jacek Caban · Alexandre Julliard · a27ad40e · 8600c2a5
Commit 8600c2a5 authored Dec 01, 2017 by Jacek Caban Committed by Alexandre Julliard Dec 01, 2017
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htmlevent.c dlls/mshtml/htmlevent.c +4 -2

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--- a/dlls/mshtml/htmlevent.c
+++ b/dlls/mshtml/htmlevent.c
@@ -1063,8 +1063,10 @@ static HRESULT WINAPI DOMEvent_preventDefault(IDOMEvent *iface)

    TRACE("(%p)\n", This);

-    This->prevent_default = TRUE;
-    nsIDOMEvent_PreventDefault(This->nsevent);
+    if(This->current_target && This->cancelable) {
+        This->prevent_default = TRUE;
+        nsIDOMEvent_PreventDefault(This->nsevent);
+    }
    return S_OK;
 }