X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e4161a2a08e622ba55f66610e26892f5fda37e6f..16487a6fde0a205051f4a8a573ef5da2158f4d83:/src/gtk/notebook.cpp?ds=inline

diff --git a/src/gtk/notebook.cpp b/src/gtk/notebook.cpp
index 2c8241b149..ee0dec46a7 100644
--- a/src/gtk/notebook.cpp
+++ b/src/gtk/notebook.cpp
@@ -169,9 +169,9 @@ static void wxInsertChildInNotebook(wxWindow* parent, wxWindow* child)
 // wxNotebook
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxBookCtrlBase)
 
-BEGIN_EVENT_TABLE(wxNotebook, wxControl)
+BEGIN_EVENT_TABLE(wxNotebook, wxBookCtrlBase)
     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 END_EVENT_TABLE()
 
@@ -465,7 +465,12 @@ bool wxNotebook::DeleteAllPages()
 
 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 {
-    wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
+    // We cannot remove the page yet, as GTK sends the "switch_page"
+    // signal before it has removed the notebook-page from its
+    // corresponding list. Thus, if we were to remove the page from
+    // m_pages at this point, the two lists of pages would be out
+    // of sync during the PAGE_CHANGING/PAGE_CHANGED events.
+    wxNotebookPage *client = GetPage(page);
     if ( !client )
         return NULL;
 
@@ -474,13 +479,16 @@ wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 
     // we don't need to unparent the client->m_widget; GTK+ will do
     // that for us (and will throw a warning if we do it!)
-
     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 
+    // It's safe to remove the page now.
+    wxASSERT_MSG(GetPage(page) == client, wxT("pages changed during delete"));
+    wxNotebookBase::DoRemovePage(page);
+
     wxGtkNotebookPage* p = GetNotebookPage(page);
     m_pagesData.DeleteObject(p);
     delete p;
-
+    
     return client;
 }