winex11.drv: Wine should select event mask for input method.

[Kusanagi Kouichi]

Input method has event mask which is needed to be selected.
Client is expected to augment its own event mask with this.
---
 dlls/winex11.drv/xim.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/dlls/winex11.drv/xim.c b/dlls/winex11.drv/xim.c
index 265f9c8..4bf0673 100644
--- a/dlls/winex11.drv/xim.c
+++ b/dlls/winex11.drv/xim.c
@@ -507,6 +507,8 @@ XIC X11DRV_CreateIC(XIM xim, struct x11drv_win_data *data)
     XICCallback P_StartCB, P_DoneCB, P_DrawCB, P_CaretCB;
     LANGID langid = PRIMARYLANGID(LANGIDFROMLCID(GetThreadLocale()));
     Window win = data->whole_window;
+    XWindowAttributes attr;
+    long mask;
 
     TRACE("xim = %p\n", xim);
 
@@ -617,6 +619,15 @@ XIC X11DRV_CreateIC(XIM xim, struct x11drv_win_data *data)
     if (status != NULL)
         XFree(status);
 
+    if (!XGetICValues(xic, XNFilterEvents, &mask, NULL) &&
+        XGetWindowAttributes(XDisplayOfIM(xim), win, &attr))
+    {
+        XSetWindowAttributes new_attr;
+
+        new_attr.event_mask = attr.your_event_mask | mask;
+        XChangeWindowAttributes(XDisplayOfIM(xim), win, CWEventMask, &new_attr);
+    }
+
     wine_tsx11_unlock();
 
     return xic;
-- 
1.5.5.1