X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9a29fe70bc90b08b4f0bd4c23c1d12ad17cbbed2..7d6a4d96961eac84d05db8bb24c64d39003f6e54:/src/aui/tabmdi.cpp

diff --git a/src/aui/tabmdi.cpp b/src/aui/tabmdi.cpp
index 2059d90941..e54e2d97f0 100644
--- a/src/aui/tabmdi.cpp
+++ b/src/aui/tabmdi.cpp
@@ -38,6 +38,7 @@
 #endif //WX_PRECOMP
 
 #include "wx/stockitem.h"
+#include "wx/aui/dockart.h"
 
 enum MDI_MENU_ID
 {
@@ -56,6 +57,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxAuiMDIParentFrame, wxFrame)
 BEGIN_EVENT_TABLE(wxAuiMDIParentFrame, wxFrame)
 #if wxUSE_MENUS
     EVT_MENU (wxID_ANY, wxAuiMDIParentFrame::DoHandleMenu)
+    EVT_UPDATE_UI (wxID_ANY, wxAuiMDIParentFrame::DoHandleUpdateUI)
 #endif
 END_EVENT_TABLE()
 
@@ -347,6 +349,35 @@ void wxAuiMDIParentFrame::DoHandleMenu(wxCommandEvent& event)
             event.Skip();
     }
 }
+
+void wxAuiMDIParentFrame::DoHandleUpdateUI(wxUpdateUIEvent& event)
+{
+    switch (event.GetId())
+    {
+        case wxWINDOWCLOSE:
+        case wxWINDOWCLOSEALL:
+        {
+            wxAuiMDIClientWindow* client_window = GetClientWindow();
+            wxCHECK_RET(client_window, wxS("Missing MDI Client Window"));
+            size_t pages = client_window->GetPageCount();
+            event.Enable(pages >= 1);
+            break;
+        }
+
+        case wxWINDOWNEXT:
+        case wxWINDOWPREV:
+        {
+            wxAuiMDIClientWindow* client_window = GetClientWindow();
+            wxCHECK_RET(client_window, wxS("Missing MDI Client Window"));
+            size_t pages = client_window->GetPageCount();
+            event.Enable(pages >= 2);
+            break;
+        }
+
+        default:
+            event.Skip();
+    }
+}
 #endif // wxUSE_MENUS
 
 void wxAuiMDIParentFrame::DoGetClientSize(int* width, int* height) const