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On my previous system I would regularly use ctrl+mousewheel scroll on browsers to zoom in/out of pages. I've upgraded to a new machine and during the setup process I noticed that this was now bound to switching between workspaces. As this was clearly an operating system shortcut I could understand how it would be overwriting any browser behaviour, however I haven't been able to find a setting to disable this.

This also occurs when I hold alt and scroll.

I tried the gsettings solution suggested here but though this disabled the behaviour when the pointer was hovering over the dock with the ctrl/alt keys unpressed, the problem with ctrl/alt pressed persisted.

William Lee-Anglin
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2 Answers2

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Found the solution to this here. Disabling the shortcut key for /org/gnome/desktop/wm/preferences/mouse-button-modifier and restarting my machine solved the issue.

William Lee-Anglin
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I finally figured this out. You can change that by typing dconf-editor at the command line, then go to /org/gnome/desktop/wm/preferences/mouse-button-modifier I changed <Control><Alt> to just <Alt> ... I tried to do something like ['<Control><Alt>'] which should make it need both control and alt to enable this, but that doesn't work for some reason

Scott Buscemi
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