awful: add default taglist label function

Signed-off-by: Julien Danjou <julien@danjou.info>

awesomerc.lua.in

@@ -84,15 +84,7 @@ mytaglist:mouse_add(mouse({}, 3, function (object, tag) tag.selected = not tag.s
 mytaglist:mouse_add(mouse({ modkey }, 3, function (object, tag) awful.client.toggletag(tag) end))
 mytaglist:mouse_add(mouse({ }, 4, awful.tag.viewnext))
 mytaglist:mouse_add(mouse({ }, 5, awful.tag.viewprev))
-function mytaglist.label(t)
-    local text = ""
-    if t.selected then
-        text = "<bg color='"..bg_focus.."'/> <span color='"..fg_focus.."'>"..t.name.."</span> "
-    else
-        text = " "..t.name.." "
-    end
-    return text
-end
+function mytaglist.label(t) return awful.widget.taglist.label(t, bg_focus, fg_focus) end
 
 -- Create a tasklist widget
 mytasklist = widget({ type = "tasklist", name = "mytasklist" })

lib/awful.lua

@@ -43,6 +43,8 @@ P.screen = {}
 P.layout = {}
 P.client = {}
 P.tag = {}
+P.widget = {}
+P.widget.taglist = {}
 
 --- Create a new userhook (for external libs).
 -- @param name Hook name.
@@ -754,4 +756,21 @@ function P.unescape(text)
     return text
 end
 
+--- Return labels for a taglist widget.
+-- It returns the tag name and set a special
+-- foreground and background color for selected tags.
+-- @param t The tag.
+-- @param bg_focus The background color for selected tag.
+-- @param fg_focus The foreground color for selected tag.
+-- @return A string to print.
+function P.widget.taglist.label(t, bg_focus, fg_focus)
+    local text = ""
+    if t.selected then
+        text = "<bg color='"..bg_focus.."'/> <span color='"..fg_focus.."'>"..t.name.."</span> "
+    else
+        text = " "..t.name.." "
+    end
+    return text
+end
+
 return P