wxRadioButtons in the same group no longer have to be consecutive

(there may be intervening controls). Without this fix, an out-of-sync
assert is generated when clicking on a radio button and then calling
GetValue().


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29971 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -227,6 +227,7 @@ wxMac:
 wxMSW:
 
 - fixed enhanced metafiles loading from files (Andreas Goebel)
+- Group of wxRadioButtons no longer have to be consecutive
 
 
 2.5.3

src/msw/radiobut.cpp

@@ -182,20 +182,22 @@ void wxRadioButton::SetValue(bool value)
             {
                 wxRadioButton *btn = wxDynamicCast(nodeBefore->GetData(),
                                                    wxRadioButton);
-                if ( !btn )
+                if ( btn && btn->HasFlag(wxRB_SINGLE) )
                 {
-                    // the radio buttons in a group must be consecutive, so
+                    // A wxRB_SINGLE button isn't part of this group
-                    // there are no more of them
                     break;
                 }
                 
-                btn->SetValue(false);
+                if (btn)
-
-                if ( btn->HasFlag(wxRB_GROUP) )
                 {
-                    // even if there are other radio buttons before this one,
+                    btn->SetValue(false);
-                    // they're not in the same group with us
+
-                    break;
+                    if ( btn->HasFlag(wxRB_GROUP) )
+                    {
+                        // even if there are other radio buttons before this one,
+                        // they're not in the same group with us
+                        break;
+                    }
                 }
             }
         }
@@ -208,13 +210,14 @@ void wxRadioButton::SetValue(bool value)
             wxRadioButton *btn = wxDynamicCast(nodeAfter->GetData(),
                                                wxRadioButton);
 
-            if ( !btn || btn->HasFlag(wxRB_GROUP) )
+            if ( btn && (btn->HasFlag(wxRB_GROUP) || btn->HasFlag(wxRB_SINGLE) ) )
             {
                 // no more buttons or the first button of the next group
                 break;
             }
 
-            btn->SetValue(false);
+            if (btn)
+                btn->SetValue(false);
         }
     }
 }