Misc validity fixes to samples/xrc/rc/*.xrc.

[wxWidgets.git] / src / common / bookctrl.cpp

diff --git a/src/common/bookctrl.cpp b/src/common/bookctrl.cpp
index 9ec08bad1c9d98829693abcd4aab3e1e4d32c163..4b321322b44b582e210900622550d6ae6914b932 100644 (file)
--- a/src/common/bookctrl.cpp
+++ b/src/common/bookctrl.cpp
@@ -4,7 +4,6 @@
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     19.08.03
-// RCS-ID:      $Id$
 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
@@ -456,6 +455,26 @@ bool wxBookCtrlBase::DoSetSelectionAfterInsertion(size_t n, bool bSelect)
     return true;
 }
 
+void wxBookCtrlBase::DoSetSelectionAfterRemoval(size_t n)
+{
+    if ( m_selection >= (int)n )
+    {
+        // ensure that the selection is valid
+        int sel;
+        if ( GetPageCount() == 0 )
+            sel = wxNOT_FOUND;
+        else
+            sel = m_selection ? m_selection - 1 : 0;
+
+        // if deleting current page we shouldn't try to hide it
+        m_selection = m_selection == (int)n ? wxNOT_FOUND
+                                            : m_selection - 1;
+
+        if ( sel != wxNOT_FOUND && sel != m_selection )
+            SetSelection(sel);
+    }
+}
+
 int wxBookCtrlBase::DoSetSelection(size_t n, int flags)
 {
     wxCHECK_MSG( n < GetPageCount(), wxNOT_FOUND,