Removed lots of OnClose functions; doc'ed OnCloseWindow better;

MM_... -> wxMM_...


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1615 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk1/dialog.cpp

@@ -219,14 +219,25 @@ void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) )
 
 void wxDialog::OnCloseWindow(wxCloseEvent& event)
 {
+    // We'll send a Cancel message by default,
+    // which may close the dialog.
+    // 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;   // no loops
 
-    if ( event.GetVeto() )
-        return;
-
     closing.Append(this);
 
     wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);