Speed fix for wxGenericDirCtrl, starting to add text input control;

added wxWS_EX_NO_AUTOFOCUS for wxMSW so we can stop wxToolBar accepting
the focus; UI update improvement to send commands to current focus window;
split tree control horiz. scrollbar problem fixed


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8472 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/window.cpp

@@ -1897,7 +1897,8 @@ long wxWindow::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 
         case WM_LBUTTONDOWN:
            // set focus to this window
-           SetFocus();
+           if ((GetExtraStyle() & wxWS_EX_NO_AUTOFOCUS) != wxWS_EX_NO_AUTOFOCUS)
+                SetFocus();
 
            // fall through