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I'm using Ubuntu 17.10 with GNOME 3. How can I show all open windows of a certain application using the sidebar (aka Ubuntu Dock)? Right now I have to right-click and select "all windows" to see my other open windows.

Is there a quicker way to do this?

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    I guess what you are looking for is done by Super + W under Ubuntu 16.04 with Unity. It provides you with a tile-style view of all open windows. As you are using Ubuntu 17.10 with the Unity-like Gnome environment, the key might be different. Under Gnome you may as well just pres Super to get a tile-like view of all open applications. BTW: Super = Windows Key
    – Socrates
    Apr 19, 2018 at 15:45

3 Answers 3

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I am not aware of any window-preview-on-mouse-hover feature, but you can activate previews of open windows on

  • Primary mouse button click by running

    gsettings set org.gnome.shell.extensions.dash-to-dock click-action 'previews'
    
  • shift+click by running

    gsettings set org.gnome.shell.extensions.dash-to-dock shift-click-action 'previews'
    
  • Middle mouse button click by running

    gsettings set org.gnome.shell.extensions.dash-to-dock middle-click-action 'previews'
    
  • shift+middle mouse button click by running

    gsettings set org.gnome.shell.extensions.dash-to-dock shift-middle-click-action 'previews'
    

(To find out all possible options for an action, run

gsettings range org.gnome.shell.extensions.dash-to-dock click-action

and so.)


As a side note, a GNOME extension called Dash to Panel puts the application icons to the top bar (and provides an option to move top bar to bottom):
enter image description here

It also provides the window-preview-on-mouse-hover feature:
enter image description here
(source: official GitHub page)

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    I'm not sure if I should accept this as an answer as it isn't exactly what I asked? But this works just as well!
    – Cameron
    Apr 20, 2018 at 10:54
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    @James If I'm not mistaken the preview-on-hover feature you're looking for is not yet implemented. But I would recommend not accepting the answer so that in future if/when the feature is implemented others will be more motivated to post a new answer.
    – pomsky
    Apr 20, 2018 at 10:57
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    @James Dash to Panel provides preview-on-hover, see edit to my answer.
    – pomsky
    Apr 20, 2018 at 11:02
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    The first one is what most people are looking for. If you want to revert back, replace previews with focus-or-previews
    – mr.loop
    May 19, 2022 at 10:45
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For Ubuntu 20.04

gsettings set org.gnome.shell.extensions.dash-to-dock click-action minimize-or-previews

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  • Got error: (process:153488): dconf-WARNING **: 09:58:06.635: failed to commit changes to dconf: Failed to execute child process “dbus-launch” (No such file or directory) Oct 5, 2022 at 7:58
1

Not your exact problem but did you try Dash to Dock ?

https://extensions.gnome.org/extension/307/dash-to-dock/

If you click on Behaviour you can select Show Window Previews when you click on an app in the dock, if you have two instances of the same app a preview of both will appear (instead of having to right click on an app)

https://i.stack.imgur.com/nSq8G.png

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