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Just annotations of little "how to's", so I know I can find how to do something I've already done when I need to do it again, in case I don't remember anymore, which is not unlikely. Hopefully they can be useful to others, but I can't guarantee that it will work, or that it won't even make things worse.
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A clock as the header of Openbox' root menu

Posted 07-15-2014 at 04:15 PM by the dsc
Updated 07-16-2014 at 06:35 PM by the dsc (grammar?)

If you want a clock instead of the typical "openbox"-labeled separator at the top of the root menu. The way to do that isn't the most nice and convenient way imaginable, though. Essentially you have the root menu as a pipe menu.


The executed script is just a sed one liner:

Code:
 sed "s|INSERT-CLOCK-HERE|$(date +'%-H:%M')|" $HOME/.config/openbox/menu-sed.xml
This a "24 hour" clock format, without leading zeros, but can be changed "12 hour"format, or to some sort of display of time in time-yards and time-inches, if "date" does that.

Where this "menu-sed" would be essentially the "static" openbox root menu, a copy of menu.xml, only changed slightly to have the proper "headers" and "footers" or, more precisely, xml tags:

Code:
<?xml version="1.0" encoding="utf-8"?>
<openbox_pipe_menu>
	  	  <separator label="INSERT-CLOCK-HERE"/>

[...]

</openbox_pipe_menu>
And the actual menu.xml looks like:

Code:
<?xml version="1.0" encoding="utf-8"?>
<openbox_menu xmlns="http://openbox.org/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://openbox.org/                 file:///usr/share/openbox/menu.xsd">
	<menu execute="some-pipe-menu.sh" id="somepipemenu" label="some pipe menu"/>
	<menu execute="some-other-pipe-menu.sh" id="otherpipemenu" label="other pipe menu"/>
	<menu execute="obclockmenu.sh" id="root-menu" label="Openbox 3.5">
</openbox_menu>

A subtly different alternative approach:

Code:
printf "<?xml version=\"1.0\" encoding=\"utf-8\"?><openbox_pipe_menu><separator label=\"$(date +'%-H:%M')\"/>" ; cat $HOME/.config/openbox/menu-body.xml
And the "body" file obviously hasn't the xml "header", neither the clock line. I think it gives obscenely humanly indistinguishably better results, specially if its a "#!/bin/sh" script.




That's all. I suggest to backup the original menu.xml if you're attempting to do that, and it's also handy to have a reachable/open-and-always-on-top terminal window, if something go wrong and suddenly you don't have any menu at all, so you can restore the backup or fix whatever and do "openbox --reconfigure" without logging out or rebooting, like only a log-outer or a rebooter would do.
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