Xfce

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What is Xfce?

Xfce is a Desktop Environment, like GNOME or KDE. It contains a suite of apps like a root window app, window manager, file manager, panel, etc. Xfce is written using the GTK2 toolkit, and contains its own development environment (libraries, daemons, etc), similar to other big DEs. Unlike GNOME or KDE, Xfce is lightweight and designed more around CDE than Windows or Mac. It has a much slower development cycle, but is very stable and extremely fast. Xfce is great for older hardware.

Why use Xfce?

Here is a (subjective) list of reasons to use Xfce:

  • It's fast, faster than the other major DEs.
  • It's stable. In the long time Xfce-4 has been out, only a small handful of bugs has been discovered, despite it having a rather large following.
  • It's pretty. It uses GTK2 and is themable. You can make Xfce look very nice. The fonts are completely AA as well.
  • It works great with multiple monitors. Xfce's Xinerama support is the best out of any WM/DE, IMO.
  • It doesn't get in your way. You'll find Xfce helps your work flow, rather than always making itself "present."
  • It comes with a built-in compositor which allows for true transparency among other cool things.

Why not use Xfce?

Here is a (subjective) list of reasons not to use Xfce:

  • Doesn't contain all the features and integration of the major DEs.
  • Slower development cycle.
  • Because it's based on the CDE design, the layout may not be as familiar.

How to Install Xfce

The Xfce source and documentation are available at http://www.xfce.org/. But since you're using ArchLinux, you can grab Xfce from Pacman.

Xfce is modular. That means there is no need for you to run every part, you can pick and choose. Because of this, Xfce has a bunch of Arch packages.

To install the base Xfce system, run:

# pacman -S xfce4

If you want extras, like panel plugins and extra themes, run this:

# pacman -S xfce4-goodies gtk2-themes-collection

If you want to be able to play sound files, you should also install ESD, which acts as the Xfce sound daemon. (Or you can install xfmedia, the default Xfce media player, and it will pull ESD as a dependency.)

# pacman -S esd

If you want to admire 'Tips and Tricks' on login, you must install the fortune-mod package:

# pacman -S fortune-mod

Running Xfce

There are two ways to run Xfce. One is the "automatic" method. To start Xfce from the console, you can simply run:

# startxfce4

Note: startxfce4 sets DPI to 96 by default, so font sizes will be different than when starting from .xinitrc.

To customize the Xfce startup using this method, you could copy /etc/xdg/xfce4/xinitrc to $HOME/.xfce4, and edit that file To add programs to the startup up using this method, add symlinks from the programs you want to $HOME/Desktop/Autostart.

If you want more control over what starts and your initial settings, you can add these items to your $HOME/.xinitrc (leaving out and adding what you want):

xfce-mcs-manager
xfwm4 --daemon
xfdesktop &
exec xfce4-panel

or

exec xfce4-session

How To Use Xfce With DMs

As of Xfce 4.2.0, the Arch packages add the proper session files for Xfce. They are contained in the xfce-utils package, which should be installed with a base installation. Simply Enable a DM.

How to shutdown and reboot from Xfce

Make sure that DBus and HAL are enabled in the DAEMONS line in /etc/rc.conf. Then add your normal user to the power group:

# gpasswd -a USER power

Note: This group is only used by HAL, so you still need root privileges for shutting down the system via command line (halt/poweroff/shutdown).

Commands for the settings manager

There is no official documentation for the commands executed. One must look at .desktop files /usr/share/applications/ folder. For the people who like to know exactly what is happening, here is a handy list to save the effort:

xfce-setting-show backdrop
xfce-setting-show display
xfce-setting-show keyboard
xfce4-menueditor
xfce-setting-show sound
xfce-setting-show mouse
xfce-setting-show session
xfce-setting-show
xfce-setting-show splash
xfce-setting-show ui
xfce-setting-show xfwm4
xfce-setting-show wmtweaks
xfce-setting-show workspaces
xfce-setting-show printing_system
xfce4-appfinder
xfce4-autostart-editor
xfce4-panel -c

To review all the available setting manager commands run the following in a terminal:

$ grep xfce-setting-show /usr/share/applications/xfce*settings*

How to enable the compositor in Xfce 4.4

Xfce 4.4 comes with a builtin compositor adding the option for fancy window effects, shadows and transparency and so on.

You can find it in Settings->Window manager tweaks. But if it isn't there, take the following steps:

  • Open up $HOME/.config/xfce4/mcs_settings/wmtweaks.xml, and ensure that <option name="Xfwm/UseCompositing" type="int" value="1"/> is present. If the wmtweaks file is not there, open up the Settings->Window manager tweaks and change some things, then close it, and the file should appear.
  • Make sure the following lines are in your /etc/X11/xorg.conf file:
Section "Extensions"
	Option "Composite" "Enable"
EndSection
  • Finally, restart X and the compositor should be available.

Why doesn't my desktop refresh?

Xfce 4.4 uses FAM (File Alteration Monitor) to get notification when a file or directory changes. Don't forget to add 'fam' to the list of DAEMONS in /etc/rc.conf

Use a transparent background for desktop icon titles

To change the default white background of desktop icon titles to something more suitable, edit the .gtkrc-2.0 file in your home directory and add the following (create the file if needed):

style "xfdesktop-icon-view" {
XfdesktopIconView::label-alpha = 10
base[NORMAL] = "#000000"
base[SELECTED] = "#71B9FF"
base[ACTIVE] = "#71FFAD"
fg[NORMAL] = "#ffffff"
fg[SELECTED] = "#71B9FF"
fg[ACTIVE] = "#71FFAD" }
widget_class "*XfdesktopIconView*" style "xfdesktop-icon-view"

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