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copied!<p>This is the way we do it in RabbitVCS. Essentially, the main application creates the dialog and runs it using the PyGTK gtk.Dialog <a href="http://library.gnome.org/devel/pygtk/stable/class-gtkdialog.html#method-gtkdialog--run" rel="nofollow noreferrer">run() method</a>.</p> <p>Breaking it down, from the main app we have (see <a href="http://code.google.com/p/rabbitvcs/source/browse/trunk/rabbitvcs/ui/action.py#341" rel="nofollow noreferrer">action.py</a>):</p> <pre><code>def get_login(self, realm, username, may_save): # ...other code omitted... gtk.gdk.threads_enter() dialog = rabbitvcs.ui.dialog.Authentication( realm, may_save ) result = dialog.run() gtk.gdk.threads_leave() return result </code></pre> <p>This "get_login" function is the one that is <a href="http://code.google.com/p/rabbitvcs/source/browse/trunk/rabbitvcs/ui/action.py#586" rel="nofollow noreferrer">given as the callback</a> to the PySVN client instance.</p> <p>Note the <a href="http://library.gnome.org/devel/pygtk/stable/gdk-functions.html#function-gdk--threads-enter" rel="nofollow noreferrer">threads_enter()</a> and <a href="http://library.gnome.org/devel/pygtk/stable/gdk-functions.html#function-gdk--threads-leave" rel="nofollow noreferrer">threads_leave()</a> methods! These allow GTK to use Python threads, but note that the GIL may be locked by other extensions.</p> <p>What this does is create a dialog (already laid out using <a href="http://glade.gnome.org/" rel="nofollow noreferrer">Glade</a>), and the run() method on that class is a wrapper for the PyGTK method (see <a href="http://code.google.com/p/rabbitvcs/source/browse/trunk/rabbitvcs/ui/dialog.py#163" rel="nofollow noreferrer">dialog.py</a>):</p> <pre><code>def run(self): returner = None self.dialog = self.get_widget("Authentication") result = self.dialog.run() login = self.get_widget("auth_login").get_text() password = self.get_widget("auth_password").get_text() save = self.get_widget("auth_save").get_active() self.dialog.destroy() if result == gtk.RESPONSE_OK: return (True, login, password, save) else: return (False, "", "", False) </code></pre> <p>The RabbitVCS UI code is probably far more convoluted that you would need, but it might help to poke around. Those "get_widget" calls are convenience methods to get the widget from the Glade tree. If you are not using Glade, you will have references to the widgets directly.</p> <p>I hope it helps :)</p>

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