How to entirely disable keyboard shortcuts for "kiosk mode" applications
I am trying to develop a "kiosk mode" application based on the Chromium CEF web browser. I want to prevent the user from leaving the browser. This entails disabling keyboard shortcuts such as (but not limited to) the following:
- Alt-F4
- Ctrl-Super-D
- Ctrl-Alt-Del
- Super-S
I currently have a script that, prior to starting my app, uses xmodmap to load in a special keymap and mouse pointer configuration. It also uses gsettings to set various keys within the following:
- org.gnome.settings-daemon.plugins.media-keys
- org.gnome.desktop.wm.keybindings
Under Ubuntu 14.04, this approach seems to work for most keys, but it is very cumbersome. Furthermore, ot all keys seem to be accounted for under Ubuntu 12.04. I may have to set keys here:
- /apps/metacity/window_keybindings/close
- /apps/compiz-1/plugins/core/screen0/options/close_window_key
How can I make this completely work under both Ubuntu 12.04 and 14.04? Is this even the right approach? Is there perhaps an easier way than setting each individual key? I thought using xmodmap would work best, but it appears that the OS intercepts some keystrokes prior to them reaching my app.
3 Reset to default
