gap_mult_client support

lib/awful/layout/init.lua

@@ -182,12 +182,18 @@ function layout.parameters(t, screen)
         gap_single_client = t.gap_single_client
     end
 
+    local gap_mult_client = true
+
+    if(t and t.gap_mult_client ~= nil) then
+        gap_mult_client = t.gap_mult_client
+    end
+
     local useless_gap = 0
     if t then
         local skip_gap = layout.get(screen).skip_gap or function(nclients)
             return nclients < 2
         end
-        if gap_single_client or not skip_gap(#clients, t) then
+        if (gap_single_client and skip_gap(#clients, t)) or (not skip_gap(#clients, t) and gap_mult_client) then
             useless_gap = t.gap
         end
     end

lib/awful/tag.lua

@@ -50,6 +50,7 @@ defaults.gap                 = 0
 
 -- The default gap_count.
 defaults.gap_single_client   = true
+defaults.gap_mult_client     = true
 
 -- The default master fill policy.
 defaults.master_fill_policy  = "expand"
@@ -1173,6 +1174,29 @@ function tag.object.get_gap_single_client(t)
     return defaults.gap_single_client
 end
 
+--- Enable gaps for mult client.
+--
+-- @beautiful beautiful.gap_mult_client
+-- @param boolean (default: true)
+-- @see gap
+-- @see gap_single_client
+
+function tag.object.set_gap_mult_client(t, gap_mult_client)
+    tag.setproperty(t, "gap_mult_client", gap_mult_client == true)
+end
+
+function tag.object.get_gap_mult_client(t)
+    local val = tag.getproperty(t, "gap_mult_client")
+    if val ~= nil then
+        return val
+    end
+    val = beautiful.gap_mult_client
+    if val ~= nil then
+        return val
+    end
+    return defaults.gap_mult_client
+end
+
 --- Get the spacing between clients.
 -- @deprecated awful.tag.getgap
 -- @see gap