Fix background corruption in scrolled wxHtmlWindow.

Draw the background on the entire virtual size, not just the currently shown
client size.

Closes #15047.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73543 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/html/htmlwin.cpp b/src/html/htmlwin.cpp
index 52ba2a51c418fbb1ca9c41db1195c2e23f83a4c7..11a4d78bf99725727a0b9153cb2338c00d78be5a 100644 (file)
--- a/src/html/htmlwin.cpp
+++ b/src/html/htmlwin.cpp
@@ -1090,7 +1090,7 @@ void wxHtmlWindow::DoEraseBackground(wxDC& dc)
     if ( m_bmpBg.IsOk() )
     {
         // draw the background bitmap tiling it over the entire window area
-        const wxSize sz = GetClientSize();
+        const wxSize sz = GetVirtualSize();
         const wxSize sizeBmp(m_bmpBg.GetWidth(), m_bmpBg.GetHeight());
         for ( wxCoord x = 0; x < sz.x; x += sizeBmp.x )
         {