Stéphane Démurget c10e4c3117 modalDialog: give more control over the layout
Make the button layout public for callers to be able to have more
control over like adding custom widgets. Also, the clearButtons and
addButton methods are added as convenience for the most frequent usage.

https://bugzilla.gnome.org/show_bug.cgi?id=687113
2012-11-20 21:08:37 +01:00
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