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--[[
Grabbed menu for activation history based cycling of windows.
To use it, bind it e.g. as follows:
ioncore.defbindings("WScreen", {
kpress(MOD1.."Q", 'mod_menu.grabmenu(_, _sub, "wcirculate", "Q")'),
})
--]]
local last_activated={}
local sup_act_id=1000*1000
local act_id_counter=0
local function get_act_id()
id={tonumber(os.date('%Y%m%d%H%M%S')), act_id_counter}
act_id_counter=math.mod(act_id_counter+1, sup_act_id)
return id
end
local function compare_act_id(a, b)
return (a[1]<b[1] or (a[1]==b[1] and a[2]<b[2]))
end
local function compare_cwin(w1, w2)
local id1, id2=last_activated[w1], last_activated[w2]
if not id1 then
return (not id2)
elseif not id2 then
return true
else
return compare_act_id(id1, id2)
end
end
local function activated_handler(reg)
if obj_is(reg, "WClientWin") then
last_activated[reg]=get_act_id()
end
end
local function unmapped_handler(xid)
for cwin, _ in last_activated do
if not obj_exists(cwin) then
last_activated[cwin]=nil
end
end
end
local function mkhistmenu()
local function tweaked_compare(w1, w2)
if w1:is_active() then
return false
elseif w2:is_active() then
return true
else
return not compare_cwin(w1, w2)
end
end
local function mkentry(cwin)
return menuentry(cwin:name(), function() cwin:goto() end)
end
local l=ioncore.clientwin_list()
table.sort(l, tweaked_compare)
return table.map(mkentry, l)
end
local function init()
mod_menu.defmenu("wcirculate", mkhistmenu)
ioncore.get_hook("clientwin_unmapped_hook"):add(unmapped_handler)
ioncore.get_hook("region_activated_hook"):add(activated_handler)
end
init()
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