CD/DVD detection patch by Brian Robb

THANKS

@@ -21,6 +21,7 @@ Benjamin Mironer <bmironer at noos.fr> - Mac OS X fixes
 Benoit Steiner <benny at via.ecp.fr> - MPEG system input, network input
 Bill Eldridge <bill at rfa.org> - documentation
 Bob Maguire <maguirer at rjmaguire dot com> - addition of some controls to the OSX interface
+Brian Robb <vascy at hotmail dot com> - win32 CD/DVD drive detection in wx
 Brieuc Jeunhomme <bbp at via.ecp.fr> - bug fixes
 Bruno Vella <allevb at tin.it> - Italian localization
 Carlo Calabr <murray at via.ecp.fr> - Italian localization

modules/gui/wxwidgets/open.cpp

@@ -24,6 +24,7 @@
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
+
 #include <stdlib.h>                                      /* malloc(), free() */
 #include <errno.h>                                                 /* ENOMEM */
 #include <string.h>                                            /* strerror() */
@@ -707,6 +708,32 @@ wxPanel *OpenDialog::DiscPanel( wxWindow* parent )
                                   wxDefaultPosition, wxDefaultSize,
                                   wxTE_PROCESS_ENTER);
 
+#ifdef WIN32
+    char psz_default_device[3] = {0};
+
+    /* find the drive_name for the first cdrom drive,
+     * which is probably "D:" and put the drive_name into
+     * psz_default_device... */
+    for( char drive_letter = 'A'; drive_letter <= 'Z'; ++drive_letter )
+    {
+        char drive_name[3] = {drive_letter, ':', 0};
+        UINT type = GetDriveType( drive_name );
+        if( type == DRIVE_CDROM )
+        {
+            psz_default_device[0] = drive_letter;
+            psz_default_device[1] = ':';
+            break;
+        }
+    }
+
+
+    if( strlen(psz_default_device) > 0 )
+    {
+        if(disc_device)
+            disc_device->SetValue( wxL2U(psz_default_device) );
+    }
+#endif
+
     sizer->Add( label, 0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL );
     sizer->Add( disc_device, 1, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL );