taglist: Use Awesome official tag index.

No more hacks, all it caused was hidding issues deeper and having
asserts() after a few weeks of runtime.

Awesome tag.index is still buggy, but I will fix it and write the
proper tests so it stay fixed. No more hacks.

impl/taglist/init.lua

@@ -15,8 +15,8 @@ local wibox     = require( "wibox"        )
 local awful     = require( "awful"        )
 local theme     = require( "radical.theme")
 local surface   = require( "gears.surface" )
-local tracker   = require( "radical.impl.taglist.tracker" )
 local tag_menu  = require( "radical.impl.taglist.tag_menu" )
+local timer = require("gears.timer")
 
 local HIGHLIGHTED = -2
 local EMPTY       = 412345
@@ -94,6 +94,25 @@ local function create_item(t,s)
     w:add(w2)
   end
 
+  if not beautiful.taglist_disable_index then
+      item:connect_signal("index::changed", function()
+                          print("INDEX", item.index, table.concat {
+                    (menu.index_prefix or " <b>#"),
+                    (item.index or 00),
+                    (menu.index_suffix or "</b>: ")
+                })
+        if item.tw then
+            item.tw:set_markup(
+                table.concat {
+                    (menu.index_prefix or " <b>#"),
+                    (item.index or 00),
+                    (menu.index_suffix or "</b>: ")
+                }
+            )
+        end
+    end)
+  end
+
   -- Redraw the icon when necessary
   if menu.icon_per_state == true then
     item:connect_signal("state::changed",function(i,d,st)
@@ -239,8 +258,6 @@ end
 
 local function new(s)
 
-  local track = tracker(s)
-
   local args = {
     item_style = beautiful.taglist_item_style or radical.item.style.arrow_prefix,
     style      = beautiful.taglist_style,
@@ -284,21 +301,43 @@ local function new(s)
   end)
 
   init()
-  track:reload()
+
   return instances[capi.screen[s]]
 end
 
+local delayed_reflow = {}
+
+local function force_reflow(s)
+    if not delayed_reflow[s] then
+        timer.delayed_call(function()
+            delayed_reflow[s] = false
+            local tags = capi.screen[s].tags
+            local menu = instances[capi.screen[s]]
+--                           print("\n\nHERE!")
+            if menu then
+                for i, t in ipairs(tags) do
+                    local item = cache[t]
+                    -- It is possible that the items hasn't been created yet
+                    if item then
+--                           print("ITEM", t.name, i)
+                        menu:move(item,i)
+                    end
+                end
+            end
+        end)
+        delayed_reflow[s] = true
+    end
+end
+
 capi.tag.connect_signal("property::selected" , select)
-capi.tag.connect_signal("property::index2",function(t,i)
+capi.tag.connect_signal("property::index",function(t)
   if t and not beautiful.taglist_disable_index then
+    local i = t.index
     local s = t.screen
     local item = cache[t]
     if item then
       local menu = instances[capi.screen[s]]
-      menu:move(item,i)
-      if item.tw then
-        item.tw:set_markup((menu.index_prefix or " <b>#")..(i)..(menu.index_suffix or "</b>: "))
-      end
+      force_reflow(s)
     end
   end
 end)
@@ -318,4 +357,4 @@ end
 
 
 return setmetatable(module, { __call = function(_, ...) return new(...) end })
--- kate: space-indent on; indent-width 2; replace-tabs on;
+-- kate: space-indent on; indent-width 4; replace-tabs on;

impl/taglist/tracker.lua

@@ -1,78 +0,0 @@
--- This module try to track tags relative index
--- It will emit signals the widget can rely on 
-local capi = {tag=tag,screen=screen}
-local object = require( "radical.object" )
-
-local cache = {}
-local init = false
-local screen_cache = setmetatable({}, { __mode = 'k' })--TODO this suck
-
-local function reload(t,s)
-  s              = s or t.screen or screen_cache[t]
-  local tracker  = cache[s]
-
-  if not tracker then return end
-
-  local old_tags = tracker._internal.old_tags or {}
-
-  local new_tags = capi.screen[s].tags
-
-  for k,v in ipairs(new_tags) do
-    if v ~= old_tags[k] then
---       print(v.name,k,s,tag.getscreen(v),tag.getidx(v))
-      v:emit_signal("property::index2",k)
-      screen_cache[v] = s
-    end
-  end
-  tracker._internal.old_tags = new_tags
-end
-
---[[awful.tag.setscreen = function(t, s)
-  if not tag or type(t) ~= "tag" or not s then return end
-
-  -- Keeping the old index make very little sense when chaning screen
-  awful.tag.setproperty(t, "index", nil)
-
-  local old_screen = awful.tag.getproperty(t,"screen")
-
-  -- Change the screen
---   awful.tag.setproperty(t, "screen", s)
-
-  --Prevent some very strange side effects, does create some issue with multitag clients
-  for k,c in ipairs(t:clients()) do
-      c.screen = s --Move all clients
-      c:tags({t})
-  end
-  awful.tag.history.restore(old_screen,1)
-end]]--
-
-local function new(s)
-  if cache[s] then return cache[s] end
-
-  local tracker = object({
-    private_data = {
-      selected = false,
-    },
-    autogen_getmap  = true,
-    autogen_setmap  = true,
-    autogen_signals = true,
-  })
-  tracker._internal = {}
-
-  cache[s] = tracker
-
-  if not init then
-    capi.tag.connect_signal("property::screen"   , reload )
-    capi.tag.connect_signal("property::activated", reload )
-    capi.tag.connect_signal("property::index"    , reload )
-  end
-
-  tracker.reload = function()
-    reload(nil,s)
-  end
-
-  return tracker
-end
-
-return setmetatable({}, { __call = function(_, ...) return new(...) end })
--- kate: space-indent on; indent-width 2; replace-tabs on;