X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/982645201216ab85899291b3bdeb4a803f24bd01..3ab6b7e64c3f3e0ad945976dad35677fdf41dd35:/src/gtk/notebook.cpp

diff --git a/src/gtk/notebook.cpp b/src/gtk/notebook.cpp
index c878f8728f..ee0dec46a7 100644
--- a/src/gtk/notebook.cpp
+++ b/src/gtk/notebook.cpp
@@ -101,9 +101,9 @@ static void gtk_notebook_page_changing_callback( GtkNotebook *widget,
 }
 
 extern "C" {
-static void gtk_notebook_page_changed_callback( GtkNotebook *widget,
+static void gtk_notebook_page_changed_callback( GtkNotebook * WXUNUSED(widget),
                                                 GtkNotebookPage *WXUNUSED(gpage),
-                                                guint page,
+                                                guint WXUNUSED(page),
                                                 wxNotebook *notebook )
 {
     int old = notebook->m_oldSelection;
@@ -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;
 }