Install the extension from the extension website.
You can change the message from command line with gsettings (or in the preference panel):
gsettings --schemadir $HOME/.local/share/gnome-shell/extensions/simple-message@freddez/schemas \
set org.gnome.shell.extensions.simple-message message "Hello world!"or dconf:
dconf write /org/gnome/shell/extensions/simple-message/message '"Hello world!"'It is also possible to launch a custom command on message click. See "command" property in dconf or preference panel.
I use this extension to view my current org-mode running task:
(defun current-task-to-status ()
(interactive)
(if (fboundp 'org-clocking-p)
(if (org-clocking-p)
(call-process "dconf" nil nil nil "write"
"/org/gnome/shell/extensions/simple-message/message"
(concat "'" (org-clock-get-clock-string) "'"))
(call-process "dconf" nil nil nil "write"
"/org/gnome/shell/extensions/simple-message/message"
"'No active clock'"))))
(run-with-timer 0 60 'current-task-to-status)
(add-hook 'org-clock-in-hook 'current-task-to-status)
(add-hook 'org-clock-out-hook 'current-task-to-status)
(add-hook 'org-clock-cancel-hook 'current-task-to-status)
(add-hook 'org-clock-goto-hook 'current-task-to-status)
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