1. added abstract interface to wxHtmlWindow for use by wxHtmlWinParser and implemented it for wxHtmlListBox

2. used the above to implement clickable links support in wxHtmlListBox


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38701 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/html/htmprint.cpp

@@ -45,7 +45,7 @@ wxHtmlDCRenderer::wxHtmlDCRenderer() : wxObject()
     m_DC = NULL;
     m_Width = m_Height = 0;
     m_Cells = NULL;
-    m_Parser = new wxHtmlWinParser(NULL);
+    m_Parser = new wxHtmlWinParser();
     m_FS = new wxFileSystem();
     m_Parser->SetFS(m_FS);
 }