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Opaco

Opaco is a light-weight panel developed in GTK+. Its main goal is to provide a full-featured desktop panel meanwhile using only a very small amount of system resources and offering stability and responsiveness.

Opaco Panel requires a NETWM (see Freedesktop) compliant window manager in order to run properly. Opaco Panel can be run in many instances as desired, with different configuration profiles which can be specified by the argument '-p'.

The default settings are located under the home directory, in the ~/.config subdirectory (according to the freedesktop standard). This file uses a very simple XML format. First, create the file and edit it:

At least, the string <config></config> has to be present for Opaco Panel in order to start up. If only this option is present in the file, the panel will be displayed but nothing will be loaded on it. Opaco Panel works in a way that every single thing on it is called a "module". From launcher buttons to the systray, you will have to specify in the configuration file every single module that you want to load for that panel profile.

• panel: Contains the global settings for the panel.
• space: Adds a blank space between modules.
• separator: Adds a vertical separation between modules.
• launcher: Adds an application launcher button (with icon and tooltip).
• showdesktop: Button to show/hide desktop (with icon and tooltip).
• taskbar: Adds a taskbar widget (uses libwnck implementation).
• systray: Adds a systray widget based on fbpanel's one.
• pager: Adds a desktop pager widget (uses libwnck implementation).
• battery: Adds a battery plugin (based on ACPI and /proc).
• clock: Adds a clock (which also enables pop-up calendar).
• wlan: Adds a wireless plugin (based on Linux wireless-tools).
• volume: Adds a volume control (based on ALSA/libasound2).

• Opaco (development version Debian package)
• Opaco -current (source code)
• Opaco Online Repository

• Gnome Project: Battery icons, GTK+ documentation and libwnck.
• fbpanel: Source code, ideas and systray plugin.
• PerlPanel: Wireless plugin icons.