Add tag moving

It is no longer required to require() collision
at the bottom of rc.lua

It is now possible to set the default behavior when swapping
clients across screens

README.md

@@ -22,7 +22,7 @@ First, clone the repository
 
 Now, open ~/.config/awesome/rc.lua (or copy /etc/xdg/awesome/rc.lua to 
 ~/.config/awesome/rc.lua fist if you never modified your Awesome config before)
- and add this line at the **end** of rc.lua:
+ and add this line somewhere in your `rc.lua`:
 
 ```lua
     require("collision")()
@@ -87,3 +87,10 @@ This can be used:
 
 Of course, if the `Vim` keys are used, any other shortcut binded to them have to
 be removed from rc.lua.
+
+# Settings
+
+```lua
+-- Swap clients across screen instead of adding them to the other tag
+collision.settings.swap_across_screen = true
+```

focus.lua

@@ -5,11 +5,13 @@ local setmetatable = setmetatable
 local ipairs       = ipairs
 local util         = require( "awful.util"     )
 local client       = require( "awful.client"   )
+local tag          = require( "awful.tag"      )
 local alayout      = require( "awful.layout"   )
 local wibox        = require( "wibox"          )
 local cairo        = require( "lgi"            ).cairo
 local beautiful    = require( "beautiful"      )
 local color        = require( "gears.color"    )
+local col_utils    = require( "collision.util" )
 
 local module = {}
 local wiboxes,delta = nil,100
@@ -142,8 +144,15 @@ local function bydirection(dir, c, swap,max)
           capi.client.focus = cltbl[((not cltbl[target] and #cltbl == 1) and 1 or target)]
           capi.client.focus:raise()
         else
+          local other = cltbl[((not cltbl[target] and #cltbl == 1) and 1 or target)]
+          if other.screen == c.screen or col_utils.settings.swap_across_screen then
             --BUG swap doesn't work if the screen is not the same
-          c:swap(cltbl[((not cltbl[target] and #cltbl == 1) and 1 or target)])
+            c:swap(other)
+          else
+            local t = tag.selected(other.screen) --TODO get index
+            c.screen = other.screen
+            c:tags({t})
+          end
         end
         display_wiboxes(cltbl,geomtbl,float,swap,c)
       end

init.lua

@@ -2,11 +2,14 @@ local capi = {root=root,client=client,mouse=mouse,
                screen = screen, keygrabber = keygrabber}
 local util         = require( "awful.util"     )
 local awful        = require( "awful"          )
+local glib         = require( "lgi"            ).GLib
+local col_utils    = require( "collision.util" )
 local module = {
   _focus  = require( "collision.focus" ),
   _resize = require( "collision.resize"),
   _max    = require( "collision.max"   ),
   _screen = require( "collision.screen"),
+  settings= col_utils.settings          ,
 }
 
 local current_mode = "focus"
@@ -109,11 +112,11 @@ function module.resize(direction,c,max)
   module._resize.display(c)
 end
 
-function module.tag(direction,c,max)
+function module.tag(direction,swap,max)
   current_mode = "tag"
-  local c = c or capi.client.focus
+  local c = capi.client.focus
-  module._max.display_tags((c) and c.screen or capi.mouse.screen,direction)
+  module._max.display_tags((c) and c.screen or capi.mouse.screen,direction,c,true,max)
-  start_loop(false,max)
+  start_loop(swap,max)
 end
 
 function module.screen(direction)
@@ -127,6 +130,8 @@ local function new(k)
   keys = k or keys
   local aw = {}
 
+  -- This have to be executer after rc.lua
+  glib.idle_add(glib.PRIORITY_DEFAULT_IDLE, function()
     for k,v in pairs(keys) do
       for _,key_nane in ipairs(v) do
         aw[#aw+1] = awful.key({ "Mod4",                      }, key_nane, function () module.focus (k          ) end)
@@ -137,10 +142,12 @@ local function new(k)
         aw[#aw+1] = awful.key({ "Mod4", "Mod1" ,   "Control" }, key_nane, function () module.screen(k          ) end)
         if k == "left" or k =="right" then -- Conflict with my text editor, so I say no
           aw[#aw+1] = awful.key({ "Mod1",          "Control" }, key_nane, function () module.tag   (k,nil ,true) end)
+          aw[#aw+1] = awful.key({ "Mod1", "Shift", "Control" }, key_nane, function () module.tag   (k,true,true) end)
         end
       end
     end
     capi.root.keys(awful.util.table.join(capi.root.keys(),unpack(aw)))
+  end)
 end
 
 return setmetatable(module, { __call = function(_, ...) return new(...) end })

max.lua

@@ -1,4 +1,4 @@
-local capi = {screen=screen,client=client}
+local capi = {screen=screen,client=client,mouse=mouse}
 local wibox = require("wibox")
 local awful = require("awful")
 local cairo        = require( "lgi"              ).cairo
@@ -243,26 +243,32 @@ local function tag_icon(t,width,height)
   return img
 end
 
-local tmp_screen = nil
+local function change_tag(s,direction,is_swap)
-function module.display_tags(s,direction)
+  local s = capi.client.focus and capi.client.focus.screen or capi.mouse.screen
-  if not w then
+  if not is_swap then
-    init()
-  end
-  tmp_screen = s
-  if direction then
     awful.tag[direction == "left" and "viewprev" or "viewnext"](s)
+  else
+    -- Move the tag
+    local t = awful.tag.selected(s)
+    local cur_idx,count = awful.tag.getidx(t),#awful.tag.gettags(s)
+    cur_idx = cur_idx + (direction == "left" and -1 or 1)
+    cur_idx = cur_idx == 0 and count or cur_idx > count and 1 or cur_idx
+    awful.tag.move(cur_idx,t)
   end
   local tags = awful.tag.gettags(s)
   local fk = awful.util.table.hasitem(tags,awful.tag.selected(s))
   draw_shape(s,tags,fk,tag_icon,capi.screen[s].workarea.y + 15,20)
 end
 
+function module.display_tags(s,direction,c,is_swap,is_max)
+  if not w then
+    init()
+  end
+  change_tag(s,direction,is_swap)
+end
+
 function module.change_tag(mod,key,event,direction,is_swap,is_max)
-  local s = tmp_screen or capi.client.focus.screen
+  change_tag(s,direction,is_swap)
-  awful.tag[direction == "left" and "viewprev" or "viewnext"](s)
-  local tags = awful.tag.gettags(s)
-  local fk = awful.util.table.hasitem(tags,awful.tag.selected(s))
-  draw_shape(s,tags,fk,tag_icon,capi.screen[s].workarea.y + 15,20)
   return true
 end
 

util.lua

@@ -2,7 +2,7 @@ local math         = math
 local color        = require( "gears.color" )
 local beautiful    = require( "beautiful"   )
 
-local module = {}
+local module = {settings={}}
 
 
 local rr,rg,rb