Kano Desktop

Kano Desktop is a package that draws together many packages to provide an integrated desktop experience, built on Raspbian's LXDE. Most of the actual code resides in its dependencies; what is provided directly are configuration files and integration scripts.

Visit the project's wiki to get the full description.

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kano-uixinit

This script is run by the LXDE autostart file and performs a number of functions:

• On first login:

  • Runs kano-tutorial to introduce the user to their computer
  • Runs kano-init-flow to and prompt them to make configuration choices via kano-settings
  • Shows an introductory video
  • Account setup using kano-init and kano-login

• On each login, sets up the desktop.

• Acts as a point at which other packages which need notification of login are called, eg kano-init and kano-updater

• Syncs state for apps integrated with Kano World via kano-sync

• Configures: screensaver, audio (alsa-utils), keyboard, mouse, and kano-vnc

• Starts lxpanel, kano-mount-trigger, kdesk, and kano-feedback-widget

Configuration files

This repo contains configuration files for

• LXDE
• lxpanel
• openbox
• chromium
• gtk file chooser
• libfm (automatically generated, should be changed via preferences dialog)
• pcmanfm (automatically generated, should be changed via preferences dialog)
• rxvt - see man rxvt
• lxterminal
• dconf (a binary file which is edited using gconftool-2)

Plus a default .bashrc

Keyboard integration

Kano supply a custom keyboard; support for which is in this repo.

• kano-uixinit detects the keyboard and starts xbindkeys, with one of two configurations to be found in config/keyboard.
• The script bin/kano-screenshot-hotkey is triggered from Ctrl-Alt-Equal on the KANO keyboard or Control-Print on normal keyboard. This causes a screenshot to be taken and placed in ~/Screenshots/
• Save, Load, Make and Share keys on the Kano keyboard trigger certain actions via kano-signal
• Volume up and down keys via kano-volume
• Support for switching to vertual terminals by presing Ctrl-1,Ctrl-2 on the Kano keyboard.

Desktop integration

kdesk is configured here. Its icons can be found in the icons/, wallpapers in wallpapers/ and configuration in kdesk.

A particularly important script is kdesk/icon_hooks.sh. This allows dynamic configuration of the icons on the desktop. It is currently used to:

• Display information from the users profile via kano-profile and
• Display online/offline status and information about notifications on Kano World
• Trigger actions when the screensaver kicks in. (This is a convenient time to run kano-sync and kano-updater)