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I think the following two issues are related:

1) ALT-rightclick, Super-rightclick etc. have no effect on the gnome panel.

2) I cannot set certain shortcuts using System Settings -> Keyboard -> Shortcuts. For example, the ALT key is recognized as "Level3 Shift", and cannot be combined with any other key for a shortcut. The Windows key is recognized as "Multi key" and again cannot be combined with other keys.

I'm using Gnome Classic on Ubuntu 16.04. Gnome Version 3.18

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    Please do not ask more than one question if they aren't closely linked.
    – Anwar
    Aug 15, 2016 at 13:55
  • I did so because I think they are caused by the same issue.
    – painfulenglish
    Aug 15, 2016 at 14:26

2 Answers 2

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There are two versions of Gnome-Classic Which come from Gnome 3.18 in Ubuntu 16.04. One is using Metacity as the window manager and another uses Compiz, which is the same composition manager used by Unity.

I guess you're using the one which uses compiz, and this gnome-classic doesn't allow you to do Alt-RightClick in the panel so that you can customize it. But there is a workaround. You can quickly switch the window manager to Metacity and then make changes to the panel and then switch back to compiz.

To do so

  • Open a terminal (Alt-Ctrl-T)
  • Type metacity --replace and hit Enter
  • Now do Alt-RightClick on the panel and customize what you want.
  • Now press Alt-F2 to bring the Run dialog
  • Type compiz --replace there and hit Enter

Keyboard Shortcut

As for the keyboard shortcut, I guess you're using wrong Keyboard Layout. Change the layout to En-US by going to Settings -> Text Entry -> Input Sources and Add the English (US) Layout

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  • Thanks! Regarding the keyboard layout: my keyboard is indeed a UK English keyboard, and the layout is correctly shown in the Settings. The same keyboard worked fine with Ubuntu 14.04.
    – painfulenglish
    Aug 15, 2016 at 20:29
  • Glad to help. But the SE way of saying thanks (if the answer is helpful) is voting up the answer :) And accepting it if that solves the problem. I think your second problem is unrelated with this one and hence should be asked in another question separately
    – Anwar
    Aug 16, 2016 at 4:57
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The above tip didn't work for me. I tried the metacity --replace and that process hung. And everything except the mouse stopped working: even my current terminal window no longer took text input. Couldn't change window focus. (I had logged in with Gnome classic.) After I logged out and logged back in again, I did a ps ax | grep first for metacity and then for compiz. Neither was running. Alt -right mouse click does nothing for me. Ubuntu 16.04. I had been use flashback, but a recent system update screwed that so that watching a video switched primary/secondary monitors and changed monitor until I ran Settings - which switched them back on startup, but left all firefox tabs un-refreshable except by changing windows. At least GDM basically works.

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