diff -r 3cea658b6377 widget/src/gtk2/nsWindow.cpp
--- a/widget/src/gtk2/nsWindow.cpp	Sun Jul 13 20:20:33 2008 -0700
+++ b/widget/src/gtk2/nsWindow.cpp	Thu Jul 17 08:02:13 2008 -0400
@@ -3383,30 +3383,34 @@ nsWindow::NativeCreate(nsIWidget        
 
                 // do the work to get gconf setting.
                 // will be done soon later.
                 sysPrefService->GetBoolPref(sAccessibilityKey,
                                             &sAccessibilityEnabled);
             }
 
         }
     }
     if (sAccessibilityEnabled) {
         LOG(("nsWindow:: Create Toplevel Accessibility\n"));
         CreateRootAccessible();
     }
 #endif
 
+    GtkIMContext *im = IMEGetContext();
+    if (mContainer)
+        g_object_set_data(G_OBJECT(mContainer), "imcontext", im);
+
     return NS_OK;
 }
 
 NS_IMETHODIMP
 nsWindow::SetWindowClass(const nsAString &xulWinType)
 {
   if (!mShell)
     return NS_ERROR_FAILURE;
 
   nsXPIDLString brandName;
   GetBrandName(brandName);
 
   XClassHint *class_hint = XAllocClassHint();
   if (!class_hint)
     return NS_ERROR_OUT_OF_MEMORY;