don't enable disabled windows when showing them (patch 1871879)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@51230 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -115,7 +115,7 @@ All (GUI):
 
 All (Unix):
 
-- Fixed shared libraries do not depend on GStreamer when built with
+- Fixed shared libraries to not depend on GStreamer when built with
   --enable-media; only wxMedia library depends on it now.
 
 wxMSW:
@@ -123,6 +123,7 @@ wxMSW:
 - Fix rare bug with messages delivered to wrong wxSocket (Tim Kosse).
 - Fix setting icons when they have non-default (16*16 and 32*32) sizes.
 - Fixed wxLocale::GetInfo to use the C locale.
+- Don't enable disabled windows when showing them (Harry McKame).
 
 wxGTK:
 

src/msw/toplevel.cpp

@@ -674,7 +674,11 @@ bool wxTopLevelWindowMSW::Show(bool show)
         }
         else // just show
         {
-           if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
+            // we shouldn't use SW_SHOW which also activates the window for
+            // tool frames (as they shouldn't steal focus from the main window)
+            // nor for the currently disabled windows as they would be enabled
+            // as a side effect
+            if ( HasFlag(wxFRAME_TOOL_WINDOW) || !IsEnabled() )
                 nShowCmd = SW_SHOWNA;
             else
                 nShowCmd = SW_SHOW;