Fixed bug [ 749471 ] wxDocument with no command processor

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20932 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/common/docview.cpp b/src/common/docview.cpp
index 601a15803c6ed5c252eb9a8a8ddf8f0228595568..17fcf475041ea83ba542781220fd37c50c8ceb4e 100644 (file)
--- a/src/common/docview.cpp
+++ b/src/common/docview.cpp
@@ -964,22 +964,26 @@ void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event))
 #endif // wxUSE_PRINTING_ARCHITECTURE
 }
 
 #endif // wxUSE_PRINTING_ARCHITECTURE
 }
 

-void wxDocManager::OnUndo(wxCommandEvent& WXUNUSED(event))
+void wxDocManager::OnUndo(wxCommandEvent& event)

 {
     wxDocument *doc = GetCurrentDocument();
     if (!doc)
         return;
     if (doc->GetCommandProcessor())
         doc->GetCommandProcessor()->Undo();
 {
     wxDocument *doc = GetCurrentDocument();
     if (!doc)
         return;
     if (doc->GetCommandProcessor())
         doc->GetCommandProcessor()->Undo();

+    else
+        event.Skip();

 }
 
 }
 

-void wxDocManager::OnRedo(wxCommandEvent& WXUNUSED(event))
+void wxDocManager::OnRedo(wxCommandEvent& event)

 {
     wxDocument *doc = GetCurrentDocument();
     if (!doc)
         return;
     if (doc->GetCommandProcessor())
         doc->GetCommandProcessor()->Redo();
 {
     wxDocument *doc = GetCurrentDocument();
     if (!doc)
         return;
     if (doc->GetCommandProcessor())
         doc->GetCommandProcessor()->Redo();

+    else
+        event.Skip();

 }
 
 // Handlers for UI update commands
 }
 
 // Handlers for UI update commands


@@ -1021,17 +1025,29 @@ void wxDocManager::OnUpdateFileSaveAs(wxUpdateUIEvent& event)
 void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
 {
     wxDocument *doc = GetCurrentDocument();
 void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
 {
     wxDocument *doc = GetCurrentDocument();

-    event.Enable( (doc && doc->GetCommandProcessor() && doc->GetCommandProcessor()->CanUndo()) );
-    if (doc && doc->GetCommandProcessor())
+    if (!doc)
+        event.Enable(FALSE);
+    else if (!doc->GetCommandProcessor())
+        event.Skip();
+    else
+    {
+        event.Enable( doc->GetCommandProcessor()->CanUndo() );

         doc->GetCommandProcessor()->SetMenuStrings();
         doc->GetCommandProcessor()->SetMenuStrings();

+    }

 }
 
 void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
 {
     wxDocument *doc = GetCurrentDocument();
 }
 
 void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
 {
     wxDocument *doc = GetCurrentDocument();

-    event.Enable( (doc && doc->GetCommandProcessor() && doc->GetCommandProcessor()->CanRedo()) );
-    if (doc && doc->GetCommandProcessor())
+    if (!doc)
+        event.Enable(FALSE);
+    else if (!doc->GetCommandProcessor())
+        event.Skip();
+    else
+    {
+        event.Enable( doc->GetCommandProcessor()->CanRedo() );

         doc->GetCommandProcessor()->SetMenuStrings();
         doc->GetCommandProcessor()->SetMenuStrings();

+    }

 }
 
 void wxDocManager::OnUpdatePrint(wxUpdateUIEvent& event)
 }
 
 void wxDocManager::OnUpdatePrint(wxUpdateUIEvent& event)