wxList wxModelessWindows; // Frames and modeless dialogs
extern wxList wxPendingDelete;
-#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxPanel)
BEGIN_EVENT_TABLE(wxDialog, wxPanel)
EVT_CLOSE(wxDialog::OnCloseWindow)
END_EVENT_TABLE()
-#endif
wxDialog::wxDialog()
{
}
}
-bool wxDialog::OnClose()
+void wxDialog::OnCloseWindow(wxCloseEvent& event)
{
- // Behaviour changed in 2.0: we'll send a Cancel message by default,
+ // We'll send a Cancel message by default,
// which may close the dialog.
- // Check for looping if the Cancel event handler calls Close()
+ // Check for looping if the Cancel event handler calls Close().
+
+ // Note that if a cancel button and handler aren't present in the dialog,
+ // nothing will happen when you close the dialog via the window manager, or
+ // via Close().
+ // We wouldn't want to destroy the dialog by default, since the dialog may have been
+ // created on the stack.
+ // However, this does mean that calling dialog->Close() won't delete the dialog
+ // unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be
+ // sure to destroy the dialog.
+ // The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog.
static wxList closing;
-
+
if ( closing.Member(this) )
- return FALSE;
-
+ return;
+
closing.Append(this);
-
- wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
- cancelEvent.SetEventObject( this );
- GetEventHandler()->ProcessEvent(cancelEvent);
+
+ wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+ cancelEvent.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog
closing.DeleteObject(this);
-
- return FALSE;
-}
-
-void wxDialog::OnCloseWindow(wxCloseEvent& event)
-{
- // Compatibility
- if ( GetEventHandler()->OnClose() || !event.CanVeto())
- {
- this->Destroy();
- }
- else
- event.Veto(TRUE);
}
// Destroy the window (delayed, if a managed window)