setting correct 'default' for m_filterIndex, closes #11541

[wxWidgets.git] / src / gtk / scrolwin.cpp

diff --git a/src/gtk/scrolwin.cpp b/src/gtk/scrolwin.cpp
index e93f017032be5e2526b4f8c74718937ef2447bf1..b13658fd237b0cb00584b6de89eba0c163b2a9ff 100644 (file)
--- a/src/gtk/scrolwin.cpp
+++ b/src/gtk/scrolwin.cpp
@@ -44,6 +44,9 @@ void wxScrollHelper::DoAdjustScrollbar(GtkRange* range,
                                        int *lines,
                                        int *linesPerPage)
 {
+    if (!range)
+        return;
+
     int upper;
     int page_size;
     if (pixelsPerLine > 0 && winSize > 0 && winSize < virtSize)
@@ -138,7 +141,7 @@ void wxScrollHelper::DoScrollOneDir(int orient,
 
 void wxScrollHelper::DoScroll( int x_pos, int y_pos )
 {
-    wxCHECK_RET( m_targetWindow != 0, _T("No target window") );
+    wxCHECK_RET( m_targetWindow != 0, wxT("No target window") );
 
     DoScrollOneDir(wxHORIZONTAL, x_pos, m_xScrollPixelsPerLine, &m_xScrollPosition);
     DoScrollOneDir(wxVERTICAL, y_pos, m_yScrollPixelsPerLine, &m_yScrollPosition);