When a tag is deleted, this code tries to select some other tag. If the tag
which is to delete is the last tag of a screen, this code failed and indexed a
nil value. Fix this with a simple "if".
Signed-off-by: Uli Schlachter <psychon@znc.in>
There was a regression when refactoring the API. It was no longer
possible to disable the automatic tag selection.
Due to recent changes, it was no longer possible to disable the
default tag selection handler. This commit extend the already
existing request::tag mechanism to let handlers select the tags.
Useful when using dynamic tags. The tags will be closed once
it is empty. This was part of Tyrannical for many years, but is
generally useful for other workflows too.
local t = awful.tag.add("my_tag",{volatile=true, screen=2})
awful.spawn("ayapp", {tag=t})
Signals on instances are also emitted on the class and thus we can just connect
to the signal on the class here.
Signed-off-by: Uli Schlachter <psychon@znc.in>
Because all our Lua code can now work with screen objects, most of the uses of
s.index that the previous patches added for reaching this goal can be removed
again.
Signed-off-by: Uli Schlachter <psychon@znc.in>
This allow the most basic kind of stateful layouts to be created.
It is now possible to have layout instances instead of global
stateless layout arrange functions.
*WARNING* This introduce a minor API break as awful.tag.setscreen
arguments are now swapped for consistency
This allow to introduce logic for each properties and improve
awful.tag.add and execute logic when setting properties.