79 lines
2.0 KiB
Lua
79 lines
2.0 KiB
Lua
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local wibox = require("wibox")
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local screenshot = require("collision.widgets.screenshot")
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local title_image = require("collision.widgets.titled_imagebox")
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local module = {}
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local function simple_widget(c)
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local ret = title_image(c.name, awesome.composite_manager_running
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and screenshot(c)
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and (c.icon and wibox.widget.imagebox(c.icon) or nil)
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or screenshot(c)
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)
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ret.client = c
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return ret
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end
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local function reload(self, g)
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-- Get the current widgets for each clients, make sure to add them back in
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-- the same order so "stable" layouts keep the same collision grid all the
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-- time
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--TODO somehow, the topmost element also need to be the first one...
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local clients, c_to_wdgs = {}, {}
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for _, w1 in ipairs(self.children) do
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for _, w2 in ipairs(w1.children) do
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if w2.client and w2.client.valid then
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table.insert(clients, w2.client)
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c_to_wdgs[w2.client] = w2
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end
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end
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end
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-- Clear all content
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self:reset()
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-- Get the optimal size
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local total = #g
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local row = math.ceil(math.sqrt(total))
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local col = math.ceil(total/row)
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-- Sort the group to prevent useless re-ordering
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local ordered = {}
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for _, elem in ipairs(g) do
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if not c_to_wdgs[elem.client] then
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table.insert(clients, elem.client)
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end
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end
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assert(#clients == total)
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-- Fill the grid
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local counter = 1
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for r=1, row do
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local rwdg = wibox.layout.flex.horizontal()
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for c=1, col do
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local wdg = c_to_wdgs[clients[counter]]
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or simple_widget(clients[counter])
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rwdg:add(wdg)
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counter = counter + 1
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if counter > total then break end
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end
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self:add(rwdg)
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end
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end
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local function new(group)
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local ret = wibox.layout.flex.vertical()
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rawset(ret, "reload", reload)
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ret:reload(group)
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return ret
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end
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return setmetatable(module, {__call = function(_, ...) return new(...) end})
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