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| -rw-r--r-- | README | 80 |
1 files changed, 70 insertions, 10 deletions
@@ -17,8 +17,8 @@ xmobar xmobar.config-sample INSTALLATION ============ -tar xvfz xmobar-0.6 -cd xmobar-0.6 +tar xvfz xmobar-0.7 +cd xmobar-0.7 runhaskell Setup.lhs configure --prefix=/usr/local runhaskell Setup.lhs build runhaskell Setup.lhs haddock (optional for building the code documentation) @@ -62,6 +62,37 @@ sepChar: The character to be used for indicating commands in the output template (default '%') template: The output template +Command Line Options +-------------------- + +Xmobar can be either configure with a configuration file or with +command line options. In the second case, the command line options +will overwrite any options set in the configuration file. + +This is the list of command line options (the output of +xmobar --help): + +Usage: xmobar [OPTION...] [FILE] +Options: + -h, -? --help This help + -V --version Show version information + -f font name --font=font name The font name + -B bg color --bgcolor=bg color The background color. Default black + -F fg color --fgcolor=fg color The foreground color. Default grey + -x x pos --xpos=x pos The x position. Default 0 + -y y pos --ypos=y pos The y position. Default 0 + -W width --width=width The status bar width. Default 1024 + -H height --height=height The status bar height. Default 15 + -a align --align=align The text alignment: center, left or right. + Default: left + -r rate --refresh=rate The refresh rate in tenth of seconds: + default 1 sec. + -s char --sepchar=char The character used to separate commands in + the output template. Default '%' + -t tempate --template=tempate The output template + -c commands --commands=commands The list of commands to be executed +Mail bug reports and suggestions to <andrea.rossato@unibz.it> + The Output Template ------------------- @@ -85,11 +116,17 @@ Each member of the list consists in a command prefixed by the "Run" keyword. Each command has arguments to control the way Xmobar is going to execute it. -Available template commands are: Weather, Network, Memory, Swap, Cpu, -Battery, and Com. This last one is used to execute external programs. +This only internal available command is Com (see below Executing +External Commands). + +By default Xmobar comes with a plugin consisting in a set of system +monitors. This plugins installs the following internal command: +Weather, Network, Memory, Swap, Cpu, Battery. + +To remove them see below Installing/Removing a Plugin Other commands can be created as plugins with the Plugin -infrastructure. +infrastructure. See below Writing a Plugin This is an example of a command in the "commands" list: Run Memory ["-t","Mem: <usedratio>%"] 10 @@ -225,7 +262,7 @@ to the type list in the type signature of Config.runnableTypes. For a vary basic example see Plugins/HelloWorld.hs that is distributed with Xmobar. -Installing a Plugin +Installing/Removing a Plugin ------------------- Installing a plugin should require 3 steps. Here we are going to @@ -239,7 +276,7 @@ import Plugins.HelloWorld signature of "runnableTypes" in Config.hs. For instance, for the HelloWorld plugin, change "runnableTypes" into: -runnableTypes :: (Command,(HelloWorld,())) +runnableTypes :: (Command,(Monitors,(HelloWorld,()))) runnableTypes = undefined 3. Rebuild and reinstall Xmobar. Now test it with: @@ -257,6 +294,23 @@ and, in the output template, the alias of the plugin: That's it. +To remove a plugin, just remove its type from the type signature of +runnableTypes and remove the imported modules. + +To remove the system monitor plugin you need: + +1. remove the line +import Plugins.Monitors + +2. change +runnableTypes :: (Command,(Monitors,())) +runnableTypes = undefined +to +runnableTypes :: (Command,()) +runnableTypes = undefined + +3. rebuild. + AUTHOR ====== @@ -265,13 +319,15 @@ Andrea Rossato <andrea.rossato@unibz.it> CREDITS ======= -Thanks to Robert Manea for his help in understanding how X works. He -gave me suggestions on how to solve many problems with Xmobar. +Thanks to Robert Manea and Spencer Janssen for their help in +understanding how X works. He gave me suggestions on how to solve many +problems with Xmobar. Thanks to Claus Reinke for make me understand existential types (or at least for letting me thing I grasp existential types...;-). -Xmobar incorporates patches from: Krzysztof Kosciuszkiewicz +Xmobar incorporates patches from: Krzysztof Kosciuszkiewicz and +Spencer Janssen. LINKS ===== @@ -281,3 +337,7 @@ http://gorgias.mine.nu/repos/xmobar/ Xmobars darcs repository: http://gorgias.mine.nu/repos/xmobar/ + +To understand the internal mysteries of Xmobar try reading this: +http://www.haskell.org/haskellwiki/X_window_programming_in_Haskell + |