Assigning Windows to Workspaces

Just to clarify with an example, say I want Banshee to run in Workspace 3 all the time as opposed to Workspace 1. Is there any way of doing this automatically each time Banshee starts other than the good old manual way?

CCSM -> Window Management -> Place (plugin) -> Fixed window placement -> Windows with fixed viewport

add:
class=banshee 3 3
## Banshee opens at viewport 3
If banshee with first letter lower case doesn't work, try: class=Banshee

To find out window class open a terminal: ctrl+alt+t
Run:
xprop

Cursor turns into a cross, click on the application window, review terminal output, the second value usually is the correct one.
e.g.
WM_CLASS(STRING) = "ccsm", "Ccsm"

http://wiki.compiz.org/Plugins/Place

Worked like a charm, Sam_! Thank you so much! Any additional tips you may have are welcome :)

Actually, one more question. Sorry for being such a n00b. The issue I'm having now is that ccsm only checks window titles at startup. So, for instance, I can't match criteria for gmail because my browser (chrome) always starts with an Untitled - Google Chrome title. Any ideas? If I want to match a Gmail page loaded on my browser, how would I do this? Your compiz wiki lead was pretty helpful, but I haven't read anything that could help solve this. Thanks again btw. :)

To anyone who encountered my previous issue, the link above is awesome! :)

You can use devilspie (available in the repos) and gdevilspie (available at google code) to configure it. It looks at the window title but I believe it can look at the process name too. See if it does what you like.

Unity+compiz use global menu to display window title, e.g. Firefox in fullscreen mode displays the title of an open page on global menu.
How to enable it for Chrome is explained there.
http://www.h-online.com/open/news/item/Chrome-12-includes-support-for-Ubuntu-s-Unity-global-menu-1258038.html
http://www.omgubuntu.co.uk/2011/06/chrome-12-brings-unity-global-menu-support-and-heres-how-to-enable-it/

Apparently, the set_workspace option of devilspie doesn't work anymore. To verify, I did this.

( if
( begin
( contains ( window_name ) "Gmail" )
)
( begin
( maximize )
( set_workspace 1 )
)
)

It executes the maximize, but set_workspace fails. Any ideas? What's the difference between set_workspace and set_viewport?

An even easier solution that would make devilspie unnecessary is this: is there any way of making compiz's place windows plugin work on already open windows? For instance, is there a way that the plugin can match a window title that changed after the window first loaded? (fingers crossed)

You guys are awesome, thank you so much! :)

Thanks Sam_, that solved my question.