focus: Allow empty screens to be selected

README.md

@@ -103,3 +103,7 @@ assigned to shortcuts.
 
 The `collision.highlight_cursor(timeout)` method will highlight the current mouse
 cursor position.
+
+# Notes
+
+Using the focus arrows to select empty screens only work in Awesome 3.5.7+

focus.lua

@@ -54,15 +54,20 @@ local function init()
   wiboxes["center"].shape_bounding = img._native
 end
 
+local function emulate_client(screen)
+  return {is_screen = true, screen=screen, geometry=function() return capi.screen[screen].workarea end}
+end
+
 local function display_wiboxes(cltbl,geomtbl,float,swap,c)
   if not wiboxes then
     init()
   end
+  local fc = capi.client.focus or emulate_client(capi.mouse.screen)
   for k,v in ipairs({"left","right","up","down","center"}) do
-    local next_clients = (float and swap) and c or cltbl[util.get_rectangle_in_direction(v , geomtbl, capi.client.focus:geometry())]
+    local next_clients = (float and swap) and c or cltbl[util.get_rectangle_in_direction(v , geomtbl, fc:geometry())]
     if next_clients or k==5 then
-      local same, center = capi.client.focus == next_clients,k==5
-      local geo = center and capi.client.focus:geometry() or next_clients:geometry()
+      local same, center = fc == next_clients,k==5
+      local geo = center and fc:geometry() or next_clients:geometry()
       wiboxes[v].visible = true
       wiboxes[v].x = (swap and float and (not center)) and (geo.x + (k>2 and (geo.width/2) or 0) + (k==2 and geo.width or 0) - 75/2) or (geo.x + geo.width/2 - 75/2)
       wiboxes[v].y = (swap and float and (not center)) and (geo.y + (k<=2 and geo.height/2 or 0) + (k==4 and geo.height or 0) - 75/2) or (geo.y + geo.height/2 - 75/2)
@@ -91,25 +96,51 @@ local function floating_clients()
 end
 
 local function bydirection(dir, c, swap,max)
-  if c then
-    local float = client.floating.get(c) or alayout.get(c.screen) == alayout.suit.floating
+  if not c then
+    c = emulate_client(capi.mouse.screen)
+  end
+
+  local float = nil
+
+  if c.is_screen then
+    float = false
+  else
+    float = (client.floating.get(c) or alayout.get(c.screen) == alayout.suit.floating)
+  end
+
   -- Move the client if floating, swaping wont work anyway
   if swap and float then
     c:geometry((max and float_move_max or float_move)(dir,c))
     display_wiboxes(nil,nil,float,swap,c)
   else
     -- Get all clients rectangle
-      local cltbl,geomtbl = max and floating_clients() or client.tiled(),{}
+    local cltbl,geomtbl,scrs = max and floating_clients() or client.tiled(),{},{}
     for i,cl in ipairs(cltbl) do
       geomtbl[i] = cl:geometry()
+      scrs[cl.screen or 1] = true
     end
+
+    -- Add rectangles for empty screens too
+    for i = 1, capi.screen.count() do
+      if not scrs[i] then
+        geomtbl[#geomtbl+1] = capi.screen[i].workarea
+        cltbl[#geomtbl] = emulate_client(i)
+      end
+    end
+
     local target = util.get_rectangle_in_direction(dir, geomtbl, c:geometry())
     if swap ~= true then
       -- If we found a client to focus, then do it.
       if target then
-          capi.client.focus = cltbl[((not cltbl[target] and #cltbl == 1) and 1 or target)]
+        local cl = cltbl[target]
+        if cl and cl.is_screen then
+          capi.client.focus = nil --TODO Fix upstream fix
+          capi.mouse.screen = capi.screen[cl.screen]
+        else
+          capi.client.focus = cltbl[((not cl and #cltbl == 1) and 1 or target)]
           capi.client.focus:raise()
         end
+      end
     else
       if target then
         -- We found a client to swap
@@ -146,7 +177,6 @@ local function bydirection(dir, c, swap,max)
     end
     display_wiboxes(cltbl,geomtbl,float,swap,c)
   end
-  end
 end
 
 function module.global_bydirection(dir, c,swap,max)

resize.lua

@@ -171,7 +171,6 @@ function module.mouse_resize(c,corner)
       if c.apply_size_hints then
         local w,h = c:apply_size_hints(new.width,new.height)
         new.x,new.y,new.width,new.height = new.x - (w-new.width),new.y - (h-new.height),w,h
-        print("AAA",w,h,new.width,new.height,new.x)
       end
 
       c:geometry(new)
@@ -180,13 +179,6 @@ function module.mouse_resize(c,corner)
   end,"fleur")
 end
 
--- awful.mouse.client._resize = awful.mouse.client.resize
--- awful.mouse.client.resize = function(c,...)
---   module.display(c)
---   auto_hide = true
---   awful.mouse.client._resize(c,...)
---   module.hide()
--- end
 
 return module
 -- kate: space-indent on; indent-width 2; replace-tabs on;