Desktop notifications

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Revision as of 21:58, 30 December 2010 by Crazyiom (Talk | contribs) (Installation and Configuration)

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Introduction

Libnotify is an easy way to display desktop notifications and information in a small dialog. It's used in much opensource apps like Evolution, Pidgin, etc. It has support for Gtk+ and Qt applications and is desktop independent.

Installation

The libnotify package is available from the Extra repository. Install libnotify from a terminal with the following command.

pacman -S libnotify

Configuration

Gnome

To configure libnotify in Gnome install the packages notification-daemon and gconf-editor available in the Extra repository.To install the packages from the terminal:

pacman -S notification-daemon gconf-editor

Open gconf-editor from the terminal with the following:

gconf-editor

From gconf-editor, select "/apps/notification-daemon/" from the sidebar which will allow libnotify to be configured.

XFCE

To configure libnotify in XFCE, you need the packages xfce4-notifyd and xfconf available in the Extra repository.To install the packages from the terminal:

pacman -S xfce4-notifyd
pacman -S xfconf 

To configure linotify, run the following command in the terminal:

xfce4-notifyd-config

Tips & Tricks

You can write your own libnotify display messages easily in Python or other languages. Here is a simple Python example.

Note you will need to install the Python bindings for libnotify

pacman -S python-notify  #(communitiy)

Hello world example

#!/usr/bin/env python
import subprocess
info = "Hello world "
subprocess.call(('notify-send',info))
#!/usr/bin/python
import subprocess
import commands    
#KERNEL VERSION
uname = commands.getoutput('uname -r')
head = "All the info about your system:"
msg = "Your kernel version: "+ uname +"\n"       
# print message
subprocess.call(['notify-send', head, msg])

Or you can just use bash

# send a notification saying hello world
notify-send "hello world"

More Resources

Libnotify python example another libnotify example