Relax wxMessageDialog style checks, assume wxOK by default.

Don't complain if neither wxOK nor wxYES[_NO] are specified but just assume
wxOK by default. This allows the code calling wxMessageBox() with just an icon
flag to continue to work in the same way in 2.9 as it did in 2.8.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72479 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/include/wx/msgdlg.h b/include/wx/msgdlg.h
index 19818cf237ff402485473c549cb0aeb5ead2ddda..4dbd2d5ac2620f0c7e949123aaa146349375d022 100644 (file)
--- a/include/wx/msgdlg.h
+++ b/include/wx/msgdlg.h
@@ -125,8 +125,12 @@ public:
         wxASSERT_MSG( !(style & wxYES) || !(style & wxOK),
                       "wxOK and wxYES/wxNO can't be used together" );
 
-        wxASSERT_MSG( (style & wxYES) || (style & wxOK),
-                      "one of wxOK and wxYES/wxNO must be used" );
+        // It is common to specify just the icon, without wxOK, in the existing
+        // code, especially one written by Windows programmers as MB_OK is 0
+        // and so they're used to omitting wxOK. Don't complain about it but
+        // just add wxOK implicitly for compatibility.
+        if ( !(style & wxYES) && !(style & wxOK) )
+            style |= wxOK;
 
         wxASSERT_MSG( (style & wxID_OK) != wxID_OK,
                       "wxMessageBox: Did you mean wxOK (and not wxID_OK)?" );