X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f43255e83836c1a023ea7f9c1fe1b3439e58c516..58c23da1d54bf50d9f892b692b941f2cd20d96d0:/src/common/sizer.cpp

diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp
index b594635146..81c2031157 100644
--- a/src/common/sizer.cpp
+++ b/src/common/sizer.cpp
@@ -17,16 +17,17 @@
     #pragma hdrstop
 #endif
 
+#include "wx/sizer.h"
+
 #ifndef WX_PRECOMP
     #include "wx/string.h"
     #include "wx/intl.h"
     #include "wx/math.h"
+    #include "wx/utils.h"
+    #include "wx/settings.h"
+    #include "wx/statbox.h"
 #endif // WX_PRECOMP
 
-#include "wx/sizer.h"
-#include "wx/utils.h"
-#include "wx/statbox.h"
-#include "wx/settings.h"
 #include "wx/listimpl.cpp"
 
 #if WXWIN_COMPATIBILITY_2_4
@@ -1697,16 +1698,27 @@ wxSize wxBoxSizer::CalcMin()
 #if wxUSE_STATBOX
 
 wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient )
-    : wxBoxSizer( orient )
-    , m_staticBox( box )
+    : wxBoxSizer( orient ),
+      m_staticBox( box )
 {
     wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") );
+
+    // do this so that our Detach() is called if the static box is destroyed
+    // before we are
+    m_staticBox->SetContainingSizer(this);
 }
 
 wxStaticBoxSizer::wxStaticBoxSizer(int orient, wxWindow *win, const wxString& s)
                 : wxBoxSizer(orient),
                   m_staticBox(new wxStaticBox(win, wxID_ANY, s))
 {
+    // same as above
+    m_staticBox->SetContainingSizer(this);
+}
+
+wxStaticBoxSizer::~wxStaticBoxSizer()
+{
+    delete m_staticBox;
 }
 
 static void GetStaticBoxBorders( wxStaticBox *box,
@@ -1756,6 +1768,20 @@ void wxStaticBoxSizer::ShowItems( bool show )
     wxBoxSizer::ShowItems( show );
 }
 
+bool wxStaticBoxSizer::Detach( wxWindow *window )
+{
+    // avoid deleting m_staticBox in our dtor if it's being detached from the
+    // sizer (which can happen because it's being already destroyed for
+    // example)
+    if ( window == m_staticBox )
+    {
+        m_staticBox = NULL;
+        return true;
+    }
+
+    return wxSizer::Detach( window );
+}
+
 #endif // wxUSE_STATBOX
 
 #if wxUSE_BUTTON