mshtml: Added semi-stub IHTMLElement4::onmousewheel propery implementation.

dlls/mshtml/htmlelem3.c

@@ -557,15 +557,19 @@ static HRESULT WINAPI HTMLElement4_Invoke(IHTMLElement4 *iface, DISPID dispIdMem
 static HRESULT WINAPI HTMLElement4_put_onmousewheel(IHTMLElement4 *iface, VARIANT v)
 {
     HTMLElement *This = impl_from_IHTMLElement4(iface);
-    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
-    return E_NOTIMPL;
+
+    FIXME("(%p)->(%s) semi-stub\n", This, debugstr_variant(&v));
+
+    return set_node_event(&This->node, EVENTID_MOUSEWHEEL, &v);
 }
 
 static HRESULT WINAPI HTMLElement4_get_onmousewheel(IHTMLElement4 *iface, VARIANT *p)
 {
     HTMLElement *This = impl_from_IHTMLElement4(iface);
-    FIXME("(%p)->(%p)\n", This, p);
-    return E_NOTIMPL;
+
+    TRACE("(%p)->(%p)\n", This, p);
+
+    return get_node_event(&This->node, EVENTID_MOUSEWHEEL, p);
 }
 
 static HRESULT WINAPI HTMLElement4_normalize(IHTMLElement4 *iface)

dlls/mshtml/htmlevent.c

@@ -111,6 +111,9 @@ static const WCHAR onmouseoverW[] = {'o','n','m','o','u','s','e','o','v','e','r'
 static const WCHAR mouseupW[] = {'m','o','u','s','e','u','p',0};
 static const WCHAR onmouseupW[] = {'o','n','m','o','u','s','e','u','p',0};
 
+static const WCHAR mousewheelW[] = {'m','o','u','s','e','w','h','e','e','l',0};
+static const WCHAR onmousewheelW[] = {'o','n','m','o','u','s','e','w','h','e','e','l',0};
+
 static const WCHAR pasteW[] = {'p','a','s','t','e',0};
 static const WCHAR onpasteW[] = {'o','n','p','a','s','t','e',0};
 
@@ -207,6 +210,8 @@ static const event_info_t event_info[] = {
         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
     {mouseupW,           onmouseupW,           EVENTT_MOUSE,  DISPID_EVMETH_ONMOUSEUP,
         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
+    {mousewheelW,        onmousewheelW,        EVENTT_MOUSE,  DISPID_EVMETH_ONMOUSEWHEEL,
+        0},
     {pasteW,             onpasteW,             EVENTT_NONE,   DISPID_EVMETH_ONPASTE,
         EVENT_CANCELABLE},
     {readystatechangeW,  onreadystatechangeW,  EVENTT_NONE,   DISPID_EVMETH_ONREADYSTATECHANGE,

dlls/mshtml/htmlevent.h

@@ -39,6 +39,7 @@ typedef enum {
     EVENTID_MOUSEOUT,
     EVENTID_MOUSEOVER,
     EVENTID_MOUSEUP,
+    EVENTID_MOUSEWHEEL,
     EVENTID_PASTE,
     EVENTID_READYSTATECHANGE,
     EVENTID_RESIZE,