Getting special keys to work [COMPLETELY SOLVED]

Tue May 6 22:51:28 UTC 2014

Nice! I will try that out... Anyway, I was able to hibernate adding "sudo"
before the command...

2014-05-06 19:19 GMT-03:00 John Hupp <lubuntu at prpcompany.com>:

>  It turns out that com.ubuntu.enable-hibernate.pkla needs another
> stanza.  Make it thus:
>
>  [Re-enable hibernate by default in upower]
> Identity=unix-user:*
> Action=org.freedesktop.upower.hibernate
> ResultActive=yes
>
> [Re-enable hibernate by default in logind]
> Identity=unix-user:*
> Action=org.freedesktop.login1.hibernate
> ResultActive=yes
>
> Now both Menu: Hibernate and the dbus-send command will work:
>
> dbus-send --print-reply --system --dest=org.freedesktop.UPower
> /org/freedesktop/UPower org.freedesktop.UPower.Hibernate
>
> See
> http://ubuntuhandbook.org/index.php/2014/04/enable-hibernate-ubuntu-14-04/
>
> On 4/30/2014 7:50 PM, John Hupp wrote:
>
> See http://ubuntuforums.org/showthread.php?t=813387&page=6 #57 for
> dbus-send commands that accomplish most of what I wanted.
>
> Restart:
> dbus-send --system --print-reply --dest=org.freedesktop.ConsoleKit
> /org/freedesktop/ConsoleKit/Manager
> org.freedesktop.ConsoleKit.Manager.Restart
>
> Shutdown:
> dbus-send --system --print-reply --dest=org.freedesktop.ConsoleKit
> /org/freedesktop/ConsoleKit/Manager org.freedesktop.ConsoleKit.Manager.Stop
>
> Suspend:
> dbus-send --print-reply --system --dest=org.freedesktop.UPower
> /org/freedesktop/UPower org.freedesktop.UPower.Suspend
>
> Hibernate does not work, but it turns out that it does not work in the
> Lubuntu logout menu either.  See bug
> https://bugs.launchpad.net/ubuntu/+source/lxsession/+bug/1300798.  But if
> "sudo pm-hibernate" works, then you can also make Hibernate work from the
> logout menu in accord with the given workaround:
>     Create the file
> /etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla
>
>     The file must have the following content:
>
>     [Re-enable hibernate by default]
>     Identity=unix-user:*
>     Action=org.freedesktop.login1.hibernate
>     ResultActive=yes
>
> There is also a dbus-send command which would be nice for a keyboard
> shortcut, but even after creating the above file it yields a "not
> authorized" error for reasons I don't understand.  The dbus-send command:
> dbus-send --print-reply --system --dest=org.freedesktop.UPower
> /org/freedesktop/UPower org.freedesktop.UPower.Hibernate
>
> On 4/30/2014 4:11 PM, John Hupp wrote:
>
> One problem solved: If I use "nmcli nm wifi on" and "nmcli nm wifi off"
> instead of the rfkill commands, this toggles the wifi radio without root
> permissions.
>
> Now if I could find some suspend/standby and hibernate commands that don't
> require root permission, this job would be done!
>
> On 4/30/2014 3:30 PM, John Hupp wrote:
>
> I spoke too soon.  All the programs (rfkill, pm-suspend, pm-hibernate)
> must run as root, and nothing I have tried so far has allowed these keys to
> work as I intend.
>
> I created /home/<user>/.config/openbox/toggle-wifi.sh with this content:
>
> #!/bin/bash
>
> if [ $(rfkill list wifi | grep "Soft blocked: yes" | wc -l) -eq 1 ] ; then
>     rfkill unblock wifi
>     zenity --info --text "Enabled wireless"
> else
>     rfkill block wifi
>     zenity --info --text "Disabled wireless"
> fi
>
> On 4/30/2014 1:09 PM, John Hupp wrote:
>
> After thinking about it, I used an Upstart job to do what the
> MultiMediaKeys article instructed to be done with bootmisc.sh or rc.local.
>
> Though I'm no better than an Upstart hacker, especially with regard to
> choice of a 'start on' event, I created /etc/init/kb-keys-customize.conf
> with this content:
>
> # kb-keys-customize
> # Map key codes to the scan codes emitted by Fn-F4, Fn-F5, Fn-F12
>
> description "Map Fn-F4, Fn-F5 and Fn-F12 kernel scancodes to kernel
> keycodes"
> author "John Hupp"
>
> start on local-filesystems
>
> script
>     setkeycodes e017 128 e016 129 e018 130
> end script
>
> After rebooting, I found that 'xev -event keyboard' now reports that
> Fn-F4, Fn-F5 and Fn-F12 are mapped to X keysyms Cancel, Redo and SunProps,
> so I expect that I should be able to bind those keys in lubuntu-rc.xml to
> Andre's suggested commands.
>
> On 4/29/2014 6:08 PM, John Hupp wrote:
>
> The next problem is that Fn-F4 and Fn-F5 don't generate any keysyms, so
> they can't be bound to the commands suggested by Andre.
>
> To deal with that, I've been following the In-Depth Instructions in
> https://help.ubuntu.com/community/MultimediaKeys, and I have identified
> the scancodes and picked a couple unassigned kernel keycodes, but that
> article is old, and writing setkeycodes commands into
> /etc/init.d/bootmisc.sh or /etc/rc.local seems deprecated (those files
> don't exist).
>
> On 4/29/2014 3:54 PM, John Hupp wrote:
>
> I've been looking at the Exec lines in several versions of
> ~/.config/autostart/LXRandR-autostart.desktop (created when one clicks Save
> in LXRandR) and thinking about how I could create something that would
> cause Fn-F7 to toggle through the LVDS, VGA and S-Video outputs, but your
> approach -- simply binding to LXRandR -- is a MUCH better idea!
>
> And if I wanted to add the ability to extend the desktop instead of
> mirroring it, I could install arandr and just bind to that instead.
>
> On 4/29/2014 3:18 PM, Andre Rodovalho wrote:
>
>
>  2014-04-29 16:13 GMT-03:00 Andre Rodovalho <andre.rodovalho at gmail.com>:
>
>> On lubuntu-rc.xml I do:
>>
>>  <keybind key="XF86Display">
>>       <action name="Execute">
>>         <command>lxrandr</command>
>>       </action>
>>     </keybind>
>>
>> *lxrandr* deals with additional monitors, you just enable them an apply.
>>
>> Hope that helps! To test the shortcuts without restarting all the system
>> you can restart only openbox: *openbox --restart*
>>
>>
>>  2014-04-28 22:03 GMT-03:00 Israel <israeldahl at gmail.com>:
>>
>>  On 04/28/2014 07:48 PM, John Hupp wrote:
>>> > I was trying to watch Netflix on a laptop (with Lubuntu) connected to
>>> > a TV by S-Video connection.  I found out that Fn-F7 was not working to
>>> > select the external VGA or S-Video displays.
>>> >
>>> > Subsequently I found that Fn-F4 does not put the laptop to sleep, and
>>> > Fn-F5 does not toggle the WiFi radio on/off.  (The other common
>>> > special keys work OK.)
>>> >
>>> > So I'm trying to get those keys working that way via entries in
>>> > lubuntu-rc.xml.
>>> >
>>> > With 'xev -event keyboard' I found out that Fn-F7 produces the keysym
>>> > 'XF86Display' but I still need to know what command to bind that to.
>>> > So that's my first question.
>>> >
>>> > Fn-F4 and Fn-F5 does not produce any keysym's, so I'm currently at a
>>> > loss for how to proceed next with those.
>>> >
>>> >
>>>  Hi,
>>>
>>> you can use arandr to make a shell script to switch the display to a
>>> certain mode.  Plug in the monitor and use arandr to make a setup you
>>> want, and save that.  Then open your config file for openbox and set
>>> the keyboard shortcut for your display key (i.e. XF86Display)
>>> to execute the
>>> <command>
>>> /bin/bash /path/to/scriptname.sh
>>> </command>
>>> while scriptname.sh is whatever you saved the setup as with the correct
>>> path.
>>>
>>> arandr is a front-end for xrandr.  So the script is actually using
>>> xrandr to modify your display settings.
>>>
>>> I hope this helps.
>>>
>>>
>
>
>
>
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