I've written a GNOME panel applet to which I've tried adding a tooltip.
The problem is that every time I update the tooltip it disappears. Just
adding a static tooltip using the applet_widget_set_tooltip() function
is no problem.
What happens is, that if the tooltip is currently visible when I update
it (through applet_widget_set_tooltip()), it disappears from the screen,
and it won't come back until I move the mouse pointer out of the applet
and then back in again. I guess I have to call some other function
after applet_widget_set_tooltip() to make the tip visible after the
update, but I don't know which function that would be.
If you are interested in looking at the source code, you can download my
Bubbling Load Monitoring Applet from
"http://www.nada.kth.se/~d92-jwa/code" (it's rather cool even without
the tooltip :-).
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