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Message-ID: <f82e818a0802160901g33fa7b83p73739ee88452f8a2 at mail.gmail.com>
Date: Sat, 16 Feb 2008 11:01:22 -0600
From: "Angela Zhu" <angela22.zhu at gmail.com>
To: lablgtk at yquem.inria.fr
MIME-Version: 1.0
Subject: [Lablgtk] Cancel button or Status bar
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Hi,

I am using OCaml to develop an interpreter with a GUI.
In the GUI, I have a "run" button, where when you click it, it
will call a function, say "eval prog1".

Some time, the running time of "eval prog1" can be long, and
in case I want to add to the GUI the functionality that,
when click on another "cancel" button, it will terminate the
computation/evaluation immediately. (The user might don't
want to wait until the execution to finish. )

Anyone have some idea how to achieve this?

If this is impractical in OCaml, then how can I generate a
"status bar", which indicates how much of the program
(e.g. in percentage) has been finished, so you can have
an estimation on how much more you need to wait for the program
to finish.

Thanks a lot in advance!

-- 
Regards,
Angela Zhu
------------------------------------------
Dept. of CS, Rice University
http://www.cs.rice.edu/~yz2/
------------------------------------------

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Hi, <br>
<br>
I am using OCaml to develop an interpreter with a GUI.<br>
In the GUI, I have a &quot;run&quot; button, where when you click it, it<br>
will call a function, say &quot;eval prog1&quot;.<br>
<br>
Some time, the running time of &quot;eval prog1&quot; can be long, and<br>
in case I want to add to the GUI the functionality that,<br>
when click on another &quot;cancel&quot; button, it will terminate the <br>
computation/evaluation immediately. (The user might don&#39;t <br>
want to wait until the execution to finish. ) <br>
<br>
Anyone have some idea how to achieve this?<br>
<br>
If this is impractical in OCaml, then how can I generate a <br>
&quot;status bar&quot;, which indicates how much of the program<br>
(e.g. in percentage) has been finished, so you can have<br>
an estimation on how much more you need to wait for the program<br>
to finish.<br>
<br>
Thanks a lot in advance!<br clear="all"><br>-- <br>Regards,<br>Angela Zhu<br>------------------------------------------<br>Dept. of CS, Rice University<br><a href="http://www.cs.rice.edu/~yz2/">http://www.cs.rice.edu/~yz2/</a><br>
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