radical/layout/grid.lua

56 lines
1.5 KiB
Lua

local setmetatable = setmetatable
local wibox = require( "wibox" )
local module = {}
local function left(data)
data.next_item.selected = true
end
local function right(data)
data.previous_item.selected = true
end
local function up(data)
local idx,rc,col = data.current_index,data.rowcount,data.column
idx = idx-col
if idx <= 0 then
idx = rc + idx + 1
end
data.items[idx].selected = true
end
local function down(data)
local idx,rc,col = data.current_index,data.rowcount,data.column
idx = idx+col
if idx > rc then
idx = idx - rc - 1
end
data.items[idx].selected = true
end
function module.setup_key_hooks(data)
data:add_key_hook({}, "Up" , "press", up )
data:add_key_hook({}, "Down" , "press", down )
data:add_key_hook({}, "Left" , "press", left )
data:add_key_hook({}, "Right" , "press", right )
end
--Get preferred item geometry
local function item_fit(data,item,...)
return data.item_height, data.item_height
end
local function new(data)
return wibox.layout {
column_count = data.column,
row_count = data.row or (not data.column and 2 or nil),
item_fit = item_fit,
setup_key_hooks = module.setup_key_hooks,
layout = wibox.layout.grid --FIXME this is monkeypatched
}
end
return setmetatable(module, { __call = function(_, ...) return new(...) end })
-- kate: space-indent on; indent-width 4; replace-tabs on;