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Emmanuele Bassi authored
We cannot use the GtkButton::clicked signal to override the default behavior of GtkLinkButton (i.e. call gtk_show_uri()), because GtkButton::clicked is registered as a RUN_FIRST signal, which obviously prevents any other signal handler connected to it to stop the propagation before the class handler has a chance to run. For this reason we can add a GtkLinkButton::activate-link signal, which will be emitted by the default GtkButton::clicked signal handler; the ::activate-link signal has a boolean return value, which allows simpler code for stopping the propagation to the next signal handler. https://bugzilla.gnome.org/show_bug.cgi?id=632150
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