find_fallback(s, t):
Looks for a tag on screen 's' and not in 't'.
This function is meant to be useful for e.g. delete() and
move_screen() to find a suitable fallback tag.
Signed-off-by: Perry Hargrave <[email protected]>
---
lib/awful/tag.lua.in | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/lib/awful/tag.lua.in b/lib/awful/tag.lua.in
index 0f9fe27..8465b80 100644
--- a/lib/awful/tag.lua.in
+++ b/lib/awful/tag.lua.in
@@ -46,6 +46,18 @@ function add(name, props)
return newtag
end
+--- Find a suitable fallback tag.
+-- @param screen The screen number to look for a tag on. [mouse.screen]
+-- @param target A table of tags we consider unacceptable. [{selected()}]
+function find_fallback(screen, invalids)
+ local scr = screen or capi.mouse.screen
+ local t = invalids or {selected(scr)}
+
+ for _, v in pairs(capi.screen[scr]:tags()) do
+ if not util.table.hasitem(t, v) then return v end
+ end
+end
+
--- Create a set of tags and attach it to a screen.
-- @param names The tag name, in a table
-- @param screen The tag screen, or 1 if not set.
--
1.7.1
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