X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cedd7b22f4efca68479ec4bb79a9ce5f80164a3b..7198c3368055d88249a338eb33b21f051f674806:/src/aui/tabmdi.cpp?ds=sidebyside

diff --git a/src/aui/tabmdi.cpp b/src/aui/tabmdi.cpp
index ccf9e885f5..8a560e75ff 100644
--- a/src/aui/tabmdi.cpp
+++ b/src/aui/tabmdi.cpp
@@ -110,9 +110,11 @@ bool wxAuiMDIParentFrame::Create(wxWindow *parent,
     }
 #endif // wxUSE_MENUS
 
-    wxFrame::Create(parent, id, title, pos, size, style, name);
-    OnCreateClient();
-    return true;
+    if ( !wxFrame::Create(parent, id, title, pos, size, style, name) )
+        return false;
+
+    m_pClientWindow = OnCreateClient();
+    return m_pClientWindow != NULL;
 }
 
 
@@ -252,8 +254,7 @@ wxAuiMDIClientWindow *wxAuiMDIParentFrame::GetClientWindow() const
 
 wxAuiMDIClientWindow *wxAuiMDIParentFrame::OnCreateClient()
 {
-    m_pClientWindow = new wxAuiMDIClientWindow( this );
-    return m_pClientWindow;
+    return new wxAuiMDIClientWindow( this );
 }
 
 void wxAuiMDIParentFrame::ActivateNext()
@@ -416,10 +417,20 @@ wxAuiMDIChildFrame::wxAuiMDIChildFrame(wxAuiMDIParentFrame *parent,
 wxAuiMDIChildFrame::~wxAuiMDIChildFrame()
 {
     wxAuiMDIParentFrame* pParentFrame = GetMDIParentFrame();
-    if (pParentFrame && pParentFrame->GetActiveChild() == this)
+    if (pParentFrame)
     {
-        pParentFrame->SetActiveChild(NULL);
-        pParentFrame->SetChildMenuBar(NULL);
+        if (pParentFrame->GetActiveChild() == this)
+        {
+            pParentFrame->SetActiveChild(NULL);
+            pParentFrame->SetChildMenuBar(NULL);
+        }
+        wxAuiMDIClientWindow* pClientWindow = pParentFrame->GetClientWindow();
+        wxASSERT(pClientWindow);
+        int idx = pClientWindow->GetPageIndex(this);
+        if (idx != wxNOT_FOUND)
+        {
+            pClientWindow->RemovePage(idx);
+        }
     }
 
 #if wxUSE_MENUS
@@ -436,7 +447,7 @@ bool wxAuiMDIChildFrame::Create(wxAuiMDIParentFrame* parent,
                                 const wxString& name)
 {
     wxAuiMDIClientWindow* pClientWindow = parent->GetClientWindow();
-    wxASSERT_MSG((pClientWindow != (wxWindow*) NULL), wxT("Missing MDI client window."));
+    wxASSERT_MSG((pClientWindow != NULL), wxT("Missing MDI client window."));
 
     // see comment in constructor
     if (style & wxMINIMIZE)
@@ -767,7 +778,7 @@ void wxAuiMDIClientWindow::PageChanged(int old_selection, int new_selection)
 
 
     // notify old active child that it has been deactivated
-    if (old_selection != -1)
+    if ((old_selection != -1) && (old_selection < (int)GetPageCount()))
     {
         wxAuiMDIChildFrame* old_child = (wxAuiMDIChildFrame*)GetPage(old_selection);
         wxASSERT_MSG(old_child, wxT("wxAuiMDIClientWindow::PageChanged - null page pointer"));