buttons now become default when they have focus

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2843 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/button.cpp

@@ -201,9 +201,12 @@ void wxButton::Command(wxCommandEvent & event)
 bool wxButton::MSWCommand(WXUINT param, WXWORD id)
 {
     bool processed = FALSE;
-    if ( param == BN_CLICKED || param == 1 ) // 1 for accelerator
+    switch ( param )
     {
+        case 1:                                             // 1 for accelerator
+        case BN_CLICKED:
             processed = SendClickEvent();
+            break;
     }
 
     return processed;

src/msw/window.cpp

@@ -1458,9 +1458,18 @@ bool wxWindow::MSWProcessMessage(WXMSG* pMsg)
                 event.SetEventObject(this);
 
                 if ( GetEventHandler()->ProcessEvent(event) )
+                {
+                    wxButton *btn = wxDynamicCast(FindFocus(), wxButton);
+                    if ( btn )
+                    {
+                        // the button which has focus should be default
+                        btn->SetDefault();
+                    }
+
                     return TRUE;
                 }
             }
+        }
 
         if ( ::IsDialogMessage(GetHwnd(), msg) )
             return TRUE;