[Perlpanel-devel] catching applet exceptions

[Moshe Kaminsky]

Hi,

As I wrote in another mail, I think perlpanel has a problem with 
exceptions caused in the applets code.
Naturally, not all applets handle all exceptions that arise in their 
code. When such an exception happens, it crashes the whole panel. This 
is unfortunate, especially since there is always new applet code to 
test.

I believe there is a way to solve it, but I don't know enough about 
gtk/glib to know for sure: As far as I understand, all applets are 
children of an hbox. What I thought is to put this hbox inside a 
Gtk2::EventBox. Now, this widget has a method set_above_child, which 
allows it (as I understand it) to get all signals (button clicks, etc.), 
instead of the hbox. This EventBox will then pass the signal to the hbox 
child inside an eval block, thus trapping exceptions that occur in the 
callbacks. In addition, all methods such as configure, 
get_default_config, etc. should also, of course, be called inside an 
eval.

The only thing is, I don't know if it's possible to install a "universal 
callback" for all signals, and how can one pass the signal to another 
widget.

At any rate, I believe something should be done.

Moshe

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    Moshe Kaminsky <address@hidden>

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