NixOS Login Theme
SDDM Login Themes
8
Score 65%
Description:

Tested with Plasma 5.12

Your desktop just got a real make up with this awesome login screen. NixOS reduces the clutter of your greeter and leaves you with a clean, easy to use, login interface with a modern yet classy touch.

Please share some love and up vote if you like this theme!
Also be sure to check out my window decorations that surely will fit well with your new login screen:
https://www.opendesktop.org/p/1199822/

Install via "System Settings > Startup and Shutdown > Login Screen (SDDM) > Get New Theme". This is a modified breeze theme so don't try to use it with anything other than KDE Plasma and SDDM. It probably won't work.
The background can be changed to anything you want on the right hand side in "System Settings > Startup and Shutdown > Login Screen (SDDM)". Select the large green button next to "Background:"
The "Different User" button was removed. It is confusing to new users and I consider anybody who wants to login as root, or whatever, capable of doing so through TTY. The blur filter requires OpenGL. Please comment bugs that may occur.

Enjoy!



A word on tweaking the theme:
Depending on the colors of your avatar image you may see a few grey pixels around your image. This is caused by the anti-aliasing of the Qt filter mixing the color of the opacity mask (a light grey, which usually blends well in most situations) with the image itself. If this happens to you and you don't want to change your image you can go to /usr/share/sddm/themes/nixos/components/artwork and change the color of "mask.svg" to something that resembles better the colors of the image in question (do not change the opacity of the mask!). If there are several users on the machine this may effect the other user images in a negative manner though.
Apart from this I consider this theme visually well balanced as is. Still so if you have a very big screen the fonts may get small (some feedback on this would be great!). If this becomes an issue you can search the files in the above mentioned theme folder (nixos) for entries that say "font.pointSize:" Just be aware that the upper right corner consists of the following elements: KeyboardButton.qml, Battery.qml and Clock.qml. So if you change any of these in size you may want to adapt the others as well.

TaurohtaR

1 day ago

On my 1080p laptop screen text and buttons look very small in comparison with your screenshots. What might cause this type of issue?

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marianarlt

15 hours ago

Hello TaurohtaR. I thought this might happen. I'll soon look into this and try to adjust the fonts to a responsive size rather than a fixed point size, which is problematic on high dpi screens. For now please consider following the steps in "A word on tweaking the theme". Please bear with me!

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gamunu

1 day ago

Do you have customizations to modify lockscreen as well? I tried to modify files on "/usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/lockscreen" but I failed miserably.

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marianarlt

1 day ago

Hi gamunu. I too already thought about this. Apparently it would be nice to have the lockscreen to be in harmony with the login screen. There are two problems here though. The first one is the major one and it's the fact that the lock screen to date is a core part of plasma and does not include theming of any kind as of yet (somebody lecture me please). This could change in the future but for now you would have to modify plasma core content as you mention. This immediately causes another issue: Everytime you update plasma you'll destroy your changes, which will cause you to establish some backup-restore-tweaks-routine everytime you see that plasma is about to update.
The second issue is simply that because of all this there is simply no category on opendesktop.org for this scenario. Really sorry for the moment. Hopefully soon there'll be an option to make themes for the lock screen as well!

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kaptenhonek

2 days ago

This is a really nice theme. However, the suspend, restart and shutdown buttons are not working, I can't click them.
I'm using qt 5.10, sddm 0.17.0. My screen resolution is 2560x1440

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marianarlt

2 days ago

Weird, they're working for me. What's your Plasma version? I'm on 5.12 Maybe they tweaked their theme in not backwards compatible ways? I'll have a look at the files and see if I can find something that would make any big difference.

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kaptenhonek

2 days ago

I'm also on plasma 5.12

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marianarlt

2 days ago

Would you mind helping me analyze this further? If you changed your screen resolution to something lower, old school, does that change anything?

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marianarlt

2 days ago

Also, I suppose they DO work with the standard breeze theme?

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marianarlt

2 days ago

I found this bug report regarding sddm 0.17 on arch including a work around. Please check if this could solve your issue: https://github.com/sddm/sddm/issues/978

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marianarlt

2 days ago

Also see the thread on the arch forum where it seems that this only happens on recent/fresh Arch installs. (I'm on a settled arch install and this doesn't happen)

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marianarlt

2 days ago

Where's the edit button for comments?....
https://bbs.archlinux.org/viewtopic.php?id=234450

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kaptenhonek

2 days ago

Hm, this seems to have fixed it, I can use the buttons now. Thanks for the help!

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marianarlt

2 days ago

Weird sddm bug for now. Glad it fixed your issue!

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marianarlt

2 days ago

Also there's a high-DPI scaling setting in the sddm config file for wayland and X11 seperately. You could try to set this to true in /usr/lib/sddm/sddm.conf.d/sddm.conf

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vmorenomarin

2 days ago

Hi. I have some problem. When set this Sddm theme, my sddm screen appears white without
any background image. I have prove with several pictures. Thanks. Looks so beautiful, I hope could you help me with that.

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marianarlt

2 days ago

This is probably due to a Qt version mismatch. I think the recursive blur filter requires Qt 5.10. Would have to note that down in the description. Could you please do me a favor and check your Qt version under "Info Center"? (KInfocenter)

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IFierta

2 days ago

Hi. I have some problem. When set this Sddm theme, my sddm screen appears white without any background image. Kubuntu 18.04. Intel HD 5500 ( Broadwell GT 2 ), OpenGL 3.0 Mesa 17.3.3, Nvidia Geforce 940m, Intel(R) Core(TM) i5-5200U CPU @ 2.20GHz.

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IFierta

2 days ago

Excuse me, was inconsiderate. My version Qt 5.9.3. Apparently this is the reason for the incorrect display.

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IFierta

2 days ago

Solved a problem. Drag the picture from the subfolder to the home folder and install it. Beautiful theme!

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marianarlt

2 days ago

Sorry for the inconvenience, I suppose most of the errors ocurring are rather sddm/plasma issues, since I really just adjusted the plasma 5.12 breeze theme. Interesting that this worked for you. Maybe it will help others as well (vmorenomarin?). Thank you for the observatios!

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IFierta

1 day ago

Error occurs because of Cyrillic folder names. If the path contains only English folder names, the error does not occur. With other languages can be the same.

>>Thank you for the observatios!
That’s all right . Thank you for the work done!

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marianarlt

2 days ago

If your Qt version is up to date (5.10) make sure to also check that you have OpenGL running. (Info Center > Graphical Information. Hope we can solve this.

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marianarlt

2 days ago

Actually I'm reading that the recursive blur effect is available since Qt version 5.1 several years ago. So that shouldn't be an issue actually. Please provide as much details as possible. (OS, CPU, GPU, OpenGL version)

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Madkita

3 days ago

beautiful!!

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