X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8c2f37978674e79f0ffd8b41c46d6c698f90ccce..19e30148e18cc99296b26503c155e5cef59045f4:/src/generic/scrlwing.cpp

diff --git a/src/generic/scrlwing.cpp b/src/generic/scrlwing.cpp
index b19d93d85b..904104e371 100644
--- a/src/generic/scrlwing.cpp
+++ b/src/generic/scrlwing.cpp
@@ -799,10 +799,24 @@ void wxScrollHelper::EnableScrolling (bool x_scroll, bool y_scroll)
 
 void wxScrollHelper::GetVirtualSize (int *x, int *y) const
 {
+    wxSize sz(0, 0);
+    if (m_targetWindow)
+        sz = m_targetWindow->GetClientSize();
+
     if ( x )
-        *x = m_xScrollPixelsPerLine * m_xScrollLines;
+    {
+        if (m_xScrollPixelsPerLine == 0)
+            *x = sz.x;
+        else
+            *x = m_xScrollPixelsPerLine * m_xScrollLines;
+    }
     if ( y )
-        *y = m_yScrollPixelsPerLine * m_yScrollLines;
+    {
+        if (m_yScrollPixelsPerLine == 0)
+            *y = sz.y;
+        else
+            *y = m_yScrollPixelsPerLine * m_yScrollLines;
+    }
 }
 
 // Where the current view starts from