>I set it all up, but I'm realizing that I still
>don't have a way to grab it when the tab key has
>caused the widget to lose its focus and not
>any other time. I tried using a generic GdkEvent
>and casting it to GdkEventKey and grabbing the
>keyval, but it didn't work. Is there a way to
>test for that?
you need to handle key_press and key_release for the relevant
widget. if you see TAB/Left/Right/Up/Down etc. you can (1) know that
focus is about to change and/or (2) use gtk_signal_emit_stop_by_name()
to halt the signal emission and prevent focus from being shifted at
all.
sample code (in Gtk--, but it should be clear) that steals Left and
Right from the focus navigation system:
gint
ARDOUR_UI::recorder_key_release (GdkEventKey *ev)
{
bool stopit = false;
switch (ev->keyval) {
case GDK_Left:
stopit = true;
case GDK_less:
transport_stop (0);
break;
case GDK_Right:
stopit = true;
case GDK_greater:
transport_stop (0);
break;
}
if (stopit) {
gtk_signal_emit_stop_by_name (GTK_OBJECT(transport_base.gtkobj()),
"key-release-event");
}
return TRUE;
}
--p (wishing we could turn off focus & focus navigation completely)
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