Score:1

Can't bind Ctrl-Alt-Shift-Down

ph flag

I'm using a GUI program (Wing IDE) on Ubuntu where I bind lots of shortcut keys to actions in the program. For some reason, I can't bind Ctrl-Alt-Shift-Down and Ctrl-Alt-Shift-Up. I can't bind Ctrl-Alt-Down and Ctrl-Alt-Up either.

I'm guessing that some system shortcut is capturing these key combinations; however, I went over each of the few dozen keyboard shortcuts defined in the Ubuntu Settings, and there are no clashes.

How can I tell why these shortcuts aren't available? How can I make them available?

Score:1
cn flag

It is difficult to find out which shortcut keys are bound for what. These assignments are all over the place in various dconf settings. One trick that may help is to list all dconf settings and grep for the keyboard combination you are looking for, e.g.

gsettings list-recursively  | grep 'Down'

will list all settings where Down is involved.

You will see in that output that that key is assigned to move-to-workspace-down. This makes no sense anymore since Ubuntu changed to horizontal workspaces. You can clear this assignment with the command:

gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-down "[]"

so it becomes available for other uses. You can also use the tool dconf-editor to change this using a graphical UI.

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