Awesome window manager configurations snippets. Win+Shift+[Arrows] to move with window to next tag (workspace). Fine tuned from http://awesome.naquadah.org/wiki/Move_Window_to_Workspace_Left/Right

awesome-rc.lua

-- clientkeys = 

    awful.key({ modkey, "Shift"   }, "Left",
        function (c)
            local curidx = awful.tag.getidx()
            local screen = mouse.screen
            if curidx == 1 then curidx = 9 else curidx = curidx - 1 end
            awful.client.movetotag(tags[client.focus.screen][curidx])
            awful.tag.viewonly(tags[screen][curidx])
        end),
    awful.key({ modkey, "Shift"   }, "Right",
        function (c)
            local curidx = awful.tag.getidx()
            local screen = mouse.screen
            if curidx == 9 then curidx = 0 else curidx = curidx + 1 end
            awful.client.movetotag(tags[client.focus.screen][curidx])
            awful.tag.viewonly(tags[screen][curidx])
        end)