fixing overrelease and out-of-bounds write, fixes #13725

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

diff --git a/src/common/toplvcmn.cpp b/src/common/toplvcmn.cpp
index 5d452fab3d4719f5d15c3b967413894ca0f085d0..e93cdc024f329c6186c16be7993f1f81c1065d0b 100644 (file)
--- a/src/common/toplvcmn.cpp
+++ b/src/common/toplvcmn.cpp
@@ -39,11 +39,8 @@
 BEGIN_EVENT_TABLE(wxTopLevelWindowBase, wxWindow)
     EVT_CLOSE(wxTopLevelWindowBase::OnCloseWindow)
     EVT_SIZE(wxTopLevelWindowBase::OnSize)
-    WX_EVENT_TABLE_CONTROL_CONTAINER(wxTopLevelWindowBase)
 END_EVENT_TABLE()
 
-WX_DELEGATE_TO_CONTROL_CONTAINER(wxTopLevelWindowBase, wxWindow)
-
 // ============================================================================
 // implementation
 // ============================================================================
@@ -58,8 +55,6 @@ wxTopLevelWindowBase::wxTopLevelWindowBase()
 {
     // Unlike windows, top level windows are created hidden by default.
     m_isShown = false;
-
-    WX_INIT_CONTROL_CONTAINER();
 }
 
 wxTopLevelWindowBase::~wxTopLevelWindowBase()
@@ -366,6 +361,14 @@ void wxTopLevelWindowBase::SetIcon(const wxIcon& icon)
 // whole client area
 void wxTopLevelWindowBase::DoLayout()
 {
+    // We are called during the window destruction several times, e.g. as
+    // wxFrame tries to adjust to its tool/status bars disappearing. But
+    // actually doing the layout is pretty useless in this case as the window
+    // will disappear anyhow -- so just don't bother.
+    if ( IsBeingDeleted() )
+        return;
+
+
     // if we're using constraints or sizers - do use them
     if ( GetAutoLayout() )
     {