X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3ca6a5f04692678cd2d9f3ea0843fc3f5a0b254f..50c76ce1f7c2d9f121ff1015b0abae99dcb2a31a:/src/msw/radiobut.cpp

diff --git a/src/msw/radiobut.cpp b/src/msw/radiobut.cpp
index a9a7705f60..c75402ceaf 100644
--- a/src/msw/radiobut.cpp
+++ b/src/msw/radiobut.cpp
@@ -33,7 +33,7 @@
 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
 // IMPLEMENT_DYNAMIC_CLASS(wxBitmapRadioButton, wxRadioButton)
 
-bool wxRadioButton::MSWCommand(WXUINT param, WXWORD id)
+bool wxRadioButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
 {
   if (param == BN_CLICKED)
   {
@@ -138,6 +138,13 @@ bool wxRadioButton::Create(wxWindow *parent, wxWindowID id,
 
   SetSize(x, y, width, height);
 
+  // for compatibility with wxGTK, the first radio button in a group is
+  // always checked (this makes sense anyhow as you need to ensure that at
+  // least one button in the group is checked and this is the simlpest way to
+  // do it)
+  if ( m_windowStyle & wxRB_GROUP )
+      SetValue(TRUE);
+
   return TRUE;
 }
 
@@ -165,10 +172,10 @@ void wxRadioButton::Command (wxCommandEvent & event)
   ProcessCommand (event);
 }
 
-WXHBRUSH wxRadioButton::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
-                               WXUINT message,
-                               WXWPARAM wParam,
-                               WXLPARAM lParam)
+WXHBRUSH wxRadioButton::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
+                               WXUINT WXUNUSED(message),
+                               WXWPARAM WXUNUSED(wParam),
+                               WXLPARAM WXUNUSED(lParam))
 {
 #if wxUSE_CTL3D
     if ( m_useCtl3D )