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#1 2015-05-14 13:27:06

bluesky2006
New Member
Registered: 2015-05-14
Posts: 2

Brightness icon on taskbar?

Loving this distro! I'm a bit of a noob when it comes to Openbox though - wondering if it's possible to place a brightness applet, doodad or something on the taskbar next to the volume icon? I'm using an Acer C7 that i've had to crowbar Linux onto and the brightness keys don't work (yet), so I need a way of adjusting it that doesn't involve going into the terminal each time.

Thanks in advance!

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#2 2015-05-14 15:31:53

damo
#! gimpbanger
From: N51.5 W002.8 (mostly)
Registered: 2011-11-24
Posts: 5,434

Re: Brightness icon on taskbar?

What are the terminal commands you are using ATM? Maybe you can script them and use keybinds?


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#3 2015-05-14 15:56:58

bluesky2006
New Member
Registered: 2015-05-14
Posts: 2

Re: Brightness icon on taskbar?

I was probably going to use the ones suggested on this page. Essentially install xbacklight and then use:

/usr/bin/xbacklight -inc 15
/usr/bin/xbacklight -dec 15

Key binding definitely an option, but is that to say a taskbar applet isn't available/possible?

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#4 2015-05-14 16:37:31

damo
#! gimpbanger
From: N51.5 W002.8 (mostly)
Registered: 2011-11-24
Posts: 5,434

Re: Brightness icon on taskbar?

I don't know about applets, but a couple of solutions to a similar problem here

Something that has worked for others is to try adding the kernel parameter in your grub boot line: acpi_backlight=vendor
and reboot.


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#5 2015-05-14 16:48:48

hhh
Cityspeak
Registered: 2010-08-04
Posts: 3,253

Re: Brightness icon on taskbar?

bluesky2006 wrote:

Key binding definitely an option, but is that to say a taskbar applet isn't available/possible?

I don't think there's one for tint2, but you could use another panel that has a plugin.

xfce4-panel...
http://docs.xfce.org/xfce/xfce4-power-m … brightness

lxpanel...
https://code.google.com/p/backlight-applet/
https://github.com/masami256/backlight-applet


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#6 2015-05-14 18:41:59

Head_on_a_Stick
CatMod
From: A world of pure imagination
Registered: 2014-01-21
Posts: 4,797

Re: Brightness icon on taskbar?

damo wrote:

Something that has worked for others is to try adding the kernel parameter in your grub boot line: acpi_backlight=vendor
and reboot.

+1

If that doesn't work, try a newer kernel version from the wheezy-backports repository:
http://crunchbang.org/forums/viewtopic.php?id=36896

EDIT: As this is the "Beginners" section -- you can permanently add the mentioned kernel parameter by editing the file at /etc/default/grub (as root*) and adding it to the "GRUB_CMDLINE_LINUX" line:

GRUB_CMDLINE_LINUX="apci_backlight=vendor"

Then run this command:

sudo update-grub

* Open a terminal & type `sudo geany /etc/default/grub`

Last edited by Head_on_a_Stick (2015-05-14 18:53:04)

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#7 2015-05-14 19:49:59

ohnonot
...again
Registered: 2012-05-22
Posts: 2,205

Re: Brightness icon on taskbar?

a simple tray icon for brightness:
https://github.com/ponderstibbons/brightnessicon
(haven't tried it)

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#8 2015-05-14 20:23:43

Head_on_a_Stick
CatMod
From: A world of pure imagination
Registered: 2014-01-21
Posts: 4,797

Re: Brightness icon on taskbar?

^ The latest version of XFCE4-power-manager (1.4.4) offers a brightness control from the systray icon but that's not much use for a wheezy user...

If I have some time this weekend, I'll set up a wheezy container in my Arch system and try backporting it.

EDIT: I tried it but the sid version needs a backported libc6 and I don't think that's sensible.

Last edited by Head_on_a_Stick (2015-05-16 23:12:33)

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#9 2015-05-17 21:01:03

relativiteit
New Member
Registered: 2015-03-07
Posts: 5

Re: Brightness icon on taskbar?

opening etc/default/grub with the file manager and right clicking the file, then opening the file as root (enter your password) and adding "nosplash acpi_backlight=vendor" to the line GRUB_CMDLINE_LINUX="" resulting in >>>>  GRUB_CMDLINE_LINUX="nosplash acpi_backlight=vendor" made it work on my dell mini 1010.


Thx for all the help people !!! you guys are amazing!

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#10 2015-05-17 21:07:25

Head_on_a_Stick
CatMod
From: A world of pure imagination
Registered: 2014-01-21
Posts: 4,797

Re: Brightness icon on taskbar?

Excellent news!

Please add "[SOLVED]" to the thread title for the benefit of others.
EDIT: You're not the OP; nevermind... :8

FWIW, mate-power-manager (jessie version) also offers a brightness slider in the "Preferences" section of the right-click menu wink

Last edited by Head_on_a_Stick (2015-05-17 21:35:24)

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