set string length to 0 in AllocBeforeWrite() just to be tidy (replaces patch 1123226)

[wxWidgets.git] / src / generic / dirdlgg.cpp

diff --git a/src/generic/dirdlgg.cpp b/src/generic/dirdlgg.cpp
index 8d27c3320b9fd48b0ee4119f031260e242e8a656..327bcbc81e2bf5e872f4a94de3c3166070227e1b 100644 (file)
--- a/src/generic/dirdlgg.cpp
+++ b/src/generic/dirdlgg.cpp
@@ -190,21 +190,11 @@ wxGenericDirDialog::wxGenericDirDialog(wxWindow* parent, const wxString& title,
 #endif
 
     // 4) Buttons
-    buttonsizer = new wxBoxSizer( wxHORIZONTAL );
-
-    // OK and Cancel button should be at the right bottom
-    wxButton* okButton = new wxButton(this, wxID_OK);
-    buttonsizer->Add( okButton, 0, wxLEFT|wxRIGHT, 10 );
-    wxButton* cancelButton = new wxButton(this, wxID_CANCEL);
-    buttonsizer->Add( cancelButton, 0, wxLEFT|wxRIGHT, 10 );
-
-    topsizer->Add( buttonsizer, 0, wxLEFT|wxTOP|wxBOTTOM | wxALIGN_RIGHT, 10 );
-
-    okButton->SetDefault();
+    topsizer->Add( CreateButtonSizer( wxOK|wxCANCEL ), 0, wxEXPAND | wxALL, 10 );
 
 #endif // !__SMARTPHONE__
 
-    m_dirCtrl->SetFocus();
+    m_input->SetFocus();
 
     SetAutoLayout( true );
     SetSizer( topsizer );
@@ -278,7 +268,13 @@ void wxGenericDirDialog::OnTreeSelected( wxTreeEvent &event )
     if (!m_dirCtrl)
         return;
 
-    wxDirItemData *data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(event.GetItem());
+    wxTreeItemId item = event.GetItem();
+
+    wxDirItemData *data = NULL;
+
+    if(item.IsOk())
+        data = (wxDirItemData*)m_dirCtrl->GetTreeCtrl()->GetItemData(item);
+
     if (data)
        m_input->SetValue( data->m_path );
 };