Fix code using awful.util.cycle

This gets rid of lots of deprecation warnings.

Signed-off-by: Uli Schlachter <psychon@znc.in>

lib/awful/client.lua

@@ -12,6 +12,7 @@ local spawn = require("awful.spawn")
 local set_shape = require("awful.client.shape").update.all
 local object = require("gears.object")
 local grect = require("gears.geometry").rectangle
+local gmath = require("gears.math")
 local pairs = pairs
 local type = type
 local ipairs = ipairs
@@ -178,7 +179,7 @@ function client.next(i, sel, stacked)
         for idx, c in ipairs(cls) do
             if c == sel then
                 -- Cycle
-                return cls[util.cycle(#cls, idx + i)]
+                return cls[gmath.cycle(#cls, idx + i)]
             end
         end
     end
@@ -1090,7 +1091,7 @@ end
 function client.run_or_raise(cmd, matcher, merge)
     local clients = capi.client.get()
     local findex  = util.table.hasitem(clients, capi.client.focus) or 1
-    local start   = util.cycle(#clients, findex + 1)
+    local start   = gmath.cycle(#clients, findex + 1)
 
     local c = client.iterate(matcher, start)()
     if c then

lib/awful/layout/init.lua

@@ -21,6 +21,7 @@ local tag = require("awful.tag")
 local client = require("awful.client")
 local ascreen = require("awful.screen")
 local timer = require("gears.timer")
+local gmath = require("gears.math")
 
 local function get_screen(s)
     return s and capi.screen[s]
@@ -121,7 +122,7 @@ function layout.inc(i, s, layouts)
             end
         end
         if curindex then
-            local newindex = util.cycle(#layouts, curindex + i)
+            local newindex = gmath.cycle(#layouts, curindex + i)
             layout.set(layouts[newindex], t)
         end
     end

lib/awful/mouse/drag_to_tag.lua

@@ -8,7 +8,7 @@
 ---------------------------------------------------------------------------
 
 local capi = {screen = screen, mouse = mouse}
-local util = require("awful.util")
+local gmath = require("gears.math")
 local tag = require("awful.tag")
 local resize = require("awful.mouse.resize")
 
@@ -38,11 +38,11 @@ function module.drag_to_tag(c)
     if dir then
 
         if dir == "right" then
-            local newtag = tags[util.cycle(#tags, idx + 1)]
+            local newtag = tags[gmath.cycle(#tags, idx + 1)]
             c:move_to_tag(newtag)
             tag.viewnext()
         elseif dir == "left" then
-            local newtag = tags[util.cycle(#tags, idx - 1)]
+            local newtag = tags[gmath.cycle(#tags, idx - 1)]
             c:move_to_tag(newtag)
             tag.viewprev()
         end

lib/awful/screen.lua

@@ -15,6 +15,7 @@ local capi =
     awesome = awesome,
 }
 local util = require("awful.util")
+local gmath = require("gears.math")
 local object = require("gears.object")
 local grect =  require("gears.geometry").rectangle
 
@@ -169,7 +170,7 @@ end
 -- @tparam int offset Value to add to the current focused screen index. 1 to
 --   focus the next one, -1 to focus the previous one.
 function screen.focus_relative(offset)
-    return screen.focus(util.cycle(capi.screen.count(),
+    return screen.focus(gmath.cycle(capi.screen.count(),
                                    screen.focused().index + offset))
 end
 

lib/awful/tag.lua

@@ -10,6 +10,7 @@
 local util = require("awful.util")
 local ascreen = require("awful.screen")
 local beautiful = require("beautiful")
+local gmath = require("gears.math")
 local object = require("gears.object")
 local timer = require("gears.timer")
 local pairs = pairs
@@ -1198,7 +1199,7 @@ function tag.viewidx(i, screen)
     tag.viewnone(screen)
     for k, t in ipairs(showntags) do
         if t == sel then
-            showntags[util.cycle(#showntags, k + i)].selected = true
+            showntags[gmath.cycle(#showntags, k + i)].selected = true
         end
     end
     screen:emit_signal("tag::history::update")

lib/awful/util.lua

@@ -512,7 +512,7 @@ function util.table.iterate(t, filter, start)
     return function ()
         while count < length do
             local item = t[index]
-            index = util.cycle(#t, index + 1)
+            index = gmath.cycle(#t, index + 1)
             count = count + 1
             if filter(item) then return item end
         end