Allow setting long version field in About dialog.

Long version is constructed by concatenating "Version " with the short version but can be overridden for the platforms which use it (currently MSW and OS X).

Closes 11027.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61534 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/aboutdlgg.cpp

@@ -109,6 +109,29 @@ wxString wxAboutDialogInfo::GetCopyrightToDisplay() const
     return ret;
 }
 
+void wxAboutDialogInfo::SetVersion(const wxString& version,
+                                   const wxString& longVersion)
+{
+    if ( version.empty() )
+    {
+        m_version.clear();
+
+        wxASSERT_MSG( longVersion.empty(),
+                      "long version should be empty if version is");
+
+        m_longVersion.clear();
+    }
+    else // setting valid version
+    {
+        m_version = version;
+
+        if ( longVersion.empty() )
+            m_longVersion = _("Version ") + m_version;
+        else
+            m_longVersion = longVersion;
+    }
+}
+
 // ----------------------------------------------------------------------------
 // wxGenericAboutDialog
 // ----------------------------------------------------------------------------