Re: [gtkmm] focus to DialogWindow

["Jeffrey S. Gavin" <jeff ezclick net>]

Matthew Walton wrote:

> Andreas B. Thun wrote:
>
> > Detlef, thanks for your reply.
> >
> > Actually, I want to set the focus on a displayed Gtk::DialogWindow
> > which contains the button.
> > When the window pops up, it has no focus. I have to move the mouse
> > pointer in..
>
>
> That is determined by your window manager and (should be) entirely out 
> of the control of the application. Window managers are the things 
> responsible for determining if new windows get the focus or not, and 
> while one would normally expect them to, they don't always.

Sometimes the way the dialog window is created in gtkmm may cause the 
window not to have focus as well.  In our application, we have a dialog 
created in the constructor of the main application window.  This dialog 
is used to 'login' to the program.

The dialog is created and 'show'ed before the constructor finished, 
which resulted in the main application window having focus even though 
the dialog window was on top and modal.  To fix this we caused the 
dialog window to be 'presented' as soon as the application became idle:

   //
   // The LOGIN WINDOW
   //
   login.show();
   login.set_transient_for(*this);  // Cause login window to be on top.
  
   // Present the window on idle so that the login window will have 
focus and
   // not the application window.
   Glib::signal_idle ().
       connect (SigC::bind_return (SigC::slot (login, 
&Gtk::Window::present),false));

Jeff

> You might want to look at your window manager settings.
>
> Oh, and in gtkmm the response ID for an OK button should really be 
> Gtk::RESPONSE_OK, although I would expect the value is the same as 
> GTK_RESPONSE_OK, so that might work.
>
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