I can assign Alt + F1 and Alt + F2 to any function I like in the keyboard configuration window, but it's not being used.
Alt + F1 is always 'dash home' and Alt + F2 is always 'run'.
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I sat with the same issue after upgrading to Ubuntu 12.04 (Precise Pangolin) and installing GNOME Shell. I tried to disable Alt + F1 from wherever I could, to no avail.
As I was about to give up, I found this gist: https://gist.github.com/2402448
gsettings set org.gnome.desktop.wm.keybindings panel-main-menu "" # disable Alt+F1
Credits go to Jan Musinsky.
With the Ubuntu Unity plugin installed, the musinsky gist snippet in the terminal wasn't enough.
Disable it using CompizConfig Settings Manager:
sudo apt-get install compizconfig-settings-manager sudo apt-get install compiz-plugins-extra ccsm
In section "Desktop" (third item on the left), click on "Ubuntu Unity Plugin". In tab "General" (the default), click the edit pencil for "Key to execute a command" (the fourth item), blank out (delete) the content, and press OK.
Although johanmynhardt gave us the right answer for the Alt + F1, he did not tell us what it was for Alt + F2. With the
for loop as shown by Jesse Glick in a comment, I figured out the Alt + F2 command. Like this to remove both keys:
gsettings set org.gnome.desktop.wm.keybindings panel-main-menu "" # Disable Alt + F1 gsettings set org.gnome.desktop.wm.keybindings panel-run-dialog "" # Disable Alt + F2
The way to find the valid keys (
panel-run-dialog in the above examples) is to use the
list-keys command line option of
gsettings. Be ready to get a pretty long list.
The following are all the system defined keybindings for 20.04:
switch-group begin-resize switch-to-workspace-7 begin-move move-to-side-w move-to-corner-nw move-to-workspace-10 move-to-workspace-6 move-to-workspace-right always-on-top toggle-maximized move-to-workspace-left switch-to-workspace-8 cycle-panels move-to-workspace-11 lower move-to-workspace-7 toggle-above move-to-workspace-down switch-panels minimize cycle-windows switch-to-workspace-9 move-to-workspace-12 toggle-on-all-workspaces switch-input-source move-to-workspace-8 move-to-side-n maximize-horizontally activate-window-menu set-spew-mark switch-windows-backward maximize-vertically move-to-corner-sw move-to-workspace-9 maximize panel-main-menu close move-to-monitor-up raise-or-lower move-to-side-e cycle-windows-backward switch-to-workspace-1 move-to-monitor-right switch-windows panel-run-dialog switch-panels-backward unmaximize switch-to-workspace-2 switch-applications switch-to-workspace-last move-to-workspace-1 move-to-corner-ne switch-to-workspace-3 switch-to-workspace-up move-to-side-s show-desktop move-to-center move-to-workspace-2 switch-to-workspace-left switch-to-workspace-right raise move-to-corner-se switch-to-workspace-10 switch-to-workspace-4 toggle-shaded cycle-group-backward move-to-workspace-3 switch-to-workspace-down cycle-panels-backward move-to-monitor-left switch-applications-backward switch-to-workspace-11 switch-input-source-backward switch-to-workspace-5 move-to-workspace-4 move-to-monitor-down toggle-fullscreen switch-to-workspace-6 switch-to-workspace-12 cycle-group move-to-workspace-up move-to-workspace-last switch-group-backward move-to-workspace-5
I still see a
panel-run-dialog entry, I tested on my install and it worked as expected. After I ran the
set command shown above, the Alt + F2 stopped working...