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macOS Mojave dynamic background re-implement as GTK+ background slideshow. Background images are changed to reflect the time of the day.
<!-- Instructions:
- Download and unzip Mojave dynamic background here: https://files.rb.gd/mojave_dynamic.zip
- Rename the extracted folder as "mojave-background" (Excuse the trouble but I renamed it on my machine and already use that path in the XML file)
- Save this xml file next to the Mojave background files
- Fix the path to the background images below (better using absolute path)
- Lastly, either:
+ GNOME: Use gnome-tweaks tool to select this XML as wallpaper (as default wallpaper settings won't let you choose wallpaper from custom path)
+ MATE: Go to background setting (in Appearance) > Choose +Add... > make sure **All files** filter is selected at the bottom right > Then choose mojave.xml
-->
<background>
<starttime>
<year>2014</year>
<month>01</month>
<day>11</day>
<hour>0</hour>
<minute>00</minute>
<second>00</second>
</starttime>
<!-- 00:00 -->
<static>
<duration>10795.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_15.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_15.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_16.jpeg</to>
</transition>
<!-- 03:00 -->
<static>
<duration>10795.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_16.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_16.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_1.jpeg</to>
</transition>
<!-- 05:00 -->
<static>
<duration>3595.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_1.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_1.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_2.jpeg</to>
</transition>
<!-- 06:00 -->
<static>
<duration>3595.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_2.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_2.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_3.jpeg</to>
</transition>
<!-- 07:00 -->
<static>
<duration>3595.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_3.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_3.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_4.jpeg</to>
</transition>
<!-- 08:00 -->
<static>
<duration>3595.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_4.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_4.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_5.jpeg</to>
</transition>
<!-- 09:00 -->
<static>
<duration>3595.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_5.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_5.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_6.jpeg</to>
</transition>
<!-- 10:00 -->
<static>
<duration>3595.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_6.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_6.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_7.jpeg</to>
</transition>
<!-- 11:00 -->
<static>
<duration>7195.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_7.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_7.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_8.jpeg</to>
</transition>
<!-- 13:00 -->
<static>
<duration>3595.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_8.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_8.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_9.jpeg</to>
</transition>
<!-- 14:00 -->
<static>
<duration>3595.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_9.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_9.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_10.jpeg</to>
</transition>
<!-- 15:00 -->
<static>
<duration>3595.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_10.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_10.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_11.jpeg</to>
</transition>
<!-- 16:00 -->
<static>
<duration>3595.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_11.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_11.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_12.jpeg</to>
</transition>
<!-- 17:00 -->
<static>
<duration>3595.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_12.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_12.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_13.jpeg</to>
</transition>
<!-- 18:00 -->
<static>
<duration>7195.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_13.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_13.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_14.jpeg</to>
</transition>
<!-- 20:00 -->
<static>
<duration>10795.0</duration>
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_14.jpeg</file>
</static>
<transition type="overlay">
<duration>5.0</duration>
<from>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_14.jpeg</from>
<to>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_15.jpeg</to>
</transition>
</background>
@shinenelson

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shinenelson commented Jun 26, 2018

It would be great if you could replace /home/thanh with the environment variable $HOME or the alias ~ so that this gist is re-usable and works out of the box for anyone.

Also, another suggestion would be to use $HOME/Pictures/Wallpapers (with a capital 'W' for Wallpapers) as the source directory for the wallpapers. Idea : https://www.omgubuntu.co.uk/2017/04/fix-gnome-wallpaper-inconsistency.
Of course, this is completely a user's preference / choice.

@shinenelson

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shinenelson commented Jun 26, 2018

I was too hasty to comment to use the $HOME environment variable. I should've thought that this was an XML and not a shell script. My bad. I would like to give my apologies.

@Jacalz

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Jacalz commented Jun 27, 2018

Thanks for this little near XML file, will definitely have a look at it to see if it works in Budgie desktop (it should theoretically)

@trongthanh

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Owner

trongthanh commented Jun 29, 2018

@shinenelson That's OK. :) I intended to turn this into an installable package like https://github.com/ghisvail/gnome-backgrounds-bitday but don't have free time now and think that using current instruction sufficient.

@Jacalz Please do. And let us know. :)

@mrprobot

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mrprobot commented Jun 29, 2018

Maybe add the following to the description, to set the wallpaper without gnome-tweaks:

gsettings set org.gnome.desktop.background picture-uri "file:/home/USERNAME/Pictures/wallpapers/mojave-background/mojave.xml"

Is there a current folder variable for xml? Then you should use it instead the whole path and you can put the xml in the download folder. So users only have to download it, place it somewhere and set the wallpaper and don't have to change the xml.

@Space-and-also-time

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Space-and-also-time commented Jun 29, 2018

I tried using it on Ubuntu Budgie and couldn't seem to get it working. I changed the file paths and selected the xml as the background with tweaks. The background is black on my desktop but in my settings app under background, it shows the Mojave image and even a message saying that it changes over time. The background remains black however on logout, the desktop will display the Mojave background for a split second before logging out. Not sure if I'm missing something but I just wanted to give an update on Budgie.

Edit: I have been made aware that Ubuntu Budgie doesn't support the GNOME wallpaper .xml format

@NebojsaKrtolica

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NebojsaKrtolica commented Jun 29, 2018

@Space-and-also-time Me neither, can someone help us out? 🙏

@sojusnik

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sojusnik commented Jun 30, 2018

On Ubuntu 18.04 there is no transition effect between wallpaper changes. I remember that the default Gnome dynamic wallpaper had one.

Oh, and you have a spelling error in the first line: "Intruction" should be "Introduction".

@trongthanh

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Owner

trongthanh commented Jul 2, 2018

Wow, so many comments. Maybe I should start working on an installable package. :D

@sojusnik: I personally observe the wallpapers cross-fade during transition. Maybe your desktop environment doesn't support. I'm not sure. Besides, I did try longer transition duration like 10 seconds, but it didn't seem to make any difference (same transition time and just about 2-3 second, to my reckon). The first line was meant: 'Instruction:'
@Space-and-also-time and @NebojsaKrtolica: So sad that Budgie doesn't support xml wallpaper. :(

Guide for Mate Desktop

Recently I switch to Mate Desktop (Ubuntu Mate 18.04) and the xml wallpaper worked well.

In the wallpaper settings windows, Choose +Add... > make sure All files filter is selected at the bottom right > Then choose mojave.xml

OR I can use below command in terminal:

gsettings set org.mate.background picture-filename 'path/to/your/wallpapers/mojave-background/mojave.xml'
@sojusnik

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sojusnik commented Jul 3, 2018

@trongthanh:

The first line was meant: 'Instruction:'

And now you wrote Instructions :)

I personally observe the wallpapers cross-fade during transition. Maybe your desktop environment doesn't support.

I'm on Ubuntu 18.04 with Gnome. So it should work fine...

@sojusnik

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sojusnik commented Jul 4, 2018

@trongthanh: BTW, do you know if it's actually possible to define a whole folder with pictures as a path?
The idea is to have 4 folders - morning, day, evening, night - and show pictures from them in a certain period of the day. Just like your script does now, but only with 4 intervals and the pictures should be fetched from certain folders.

@trongthanh

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Owner

trongthanh commented Jul 6, 2018

@sojusnik Why don't you just pick 4 images (from the 16 ones) represent 4 shift of the day and then write a new XML file with interval of 24/4 = 6 hours? I don't think it's possible to set the background image with a folder path.

On a side note, Github Gist won't send emails to notify owners, so I cannot reply immediately. I'll just check back here for comments periodically. Other comments mentioned here won't receive notifications either. After posting it here, I just realize Github Gist sucks at helping with notifications.

@yurwpjt

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yurwpjt commented Jul 22, 2018

Can i make a youtube video about it on elementary OS?

@trongthanh

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Owner

trongthanh commented Jul 24, 2018

Hi @yurwpjt. Sure, no problem.

@trongthanh

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Owner

trongthanh commented Jul 26, 2018

Hi all,

If you'd like to comment or contact me, please do so at my blog post about this Mojave background slideshow: https://int3ractive.com/2018/07/macos-mojave-dynamic-wallpaper-for-linux.html

Because GitHub Gist will not notify commenters and owners at all.

@logico-dev

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logico-dev commented Sep 14, 2018

Hi, you can replace "/home/thanh/Pictures/wallpapers/mojave-background" with a placeholder (i.e. REPLACE)

Before
<file>/home/thanh/Pictures/wallpapers/mojave-background/mojave_dynamic_14.jpeg</file>

After
<file>REPLACE/mojave_dynamic_14.jpeg</file>

and use this script

#!/bin/bash
BASE=$(readlink -f "$0")
BASE_PATH=$(dirname "$BASE")
sed -i "s|REPLACE|$BASE_PATH|g" "$BASE_PATH/mojave.xml"

Run it inside the same directory of the images and mojave.xml. It replace all instances of REPLACE with the full path of the images

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