112 lines
3.5 KiB
Lua
112 lines
3.5 KiB
Lua
---------------------------------------------------------------------------
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-- @author Julien Danjou <julien@danjou.info>
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-- @copyright 2008-2009 Julien Danjou
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-- @release @AWESOME_VERSION@
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---------------------------------------------------------------------------
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-- Grab environment we need
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local math = math
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local type = type
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local ipairs = ipairs
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local pairs = pairs
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local setmetatable = setmetatable
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local capi = { widget = widget, button = button }
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local layout = require("awful.widget.layout")
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local util = require("awful.util")
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local common = {}
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-- Private structures
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tagwidgets = setmetatable({}, { __mode = 'k' })
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-- Recursively processes a template, replacing the tables representing the icon and
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-- the title with the widgets ib and tb
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local function replace_in_template(t, ib, tb)
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for i, v in ipairs(t) do
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if type(t[i]) == "table" then
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if v.item == "icon" then
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t[i] = ib
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elseif v.item == "title" then
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tb.align = v.align or "left"
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tb:margin(v.margin or {})
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tb.bg_resize = v.bg_resize or false
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tb.bg_align = v.bg_align or ""
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t[i] = tb
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else
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replace_in_template(v, ib, tb)
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end
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end
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end
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end
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function common.list_update(w, buttons, label, data, template, objects)
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-- Hack: if it has been registered as a widget in a wibox,
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-- it's w.len since __len meta does not work on table until Lua 5.2.
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-- Otherwise it's standard #w.
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local len = (w.len or #w)
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-- Remove excessive widgets
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if len > #objects then
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for i = #objects, len do
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w[i] = nil
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end
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end
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-- update the widgets, creating them if needed
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for i, o in ipairs(objects) do
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local ib, tb
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if w[i] then
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ib = w[i].icon
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tb = w[i].title
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else
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ib = capi.widget({ type = "imagebox" })
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tb = capi.widget({ type = "textbox" })
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w[i] = util.table.clone(template)
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replace_in_template(w[i], ib, tb)
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w[i].icon = ib
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w[i].title = tb
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if type(o) == "tag" then
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tagwidgets[ib] = o
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tagwidgets[tb] = o
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end
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end
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if buttons then
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if not data[o] then
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data[o] = { }
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for kb, b in ipairs(buttons) do
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-- Create a proxy button object: it will receive the real
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-- press and release events, and will propagate them the the
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-- button object the user provided, but with the object as
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-- argument.
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local btn = capi.button { modifiers = b.modifiers, button = b.button }
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btn:add_signal("press", function () b:emit_signal("press", o) end)
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btn:add_signal("release", function () b:emit_signal("release", o) end)
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data[o][#data[o] + 1] = btn
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end
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end
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ib:buttons(data[o])
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tb:buttons(data[o])
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end
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local text, bg, bg_image, icon = label(o)
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tb.text, tb.bg, tb.bg_image = text, bg, bg_image
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ib.bg, ib.image = bg, icon
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if not tb.text then
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tb.visible = false
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else
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tb.visible = true
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end
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if not ib.image then
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ib.visible = false
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else
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ib.visible = true
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end
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end
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end
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return common
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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