103 lines
3.4 KiB
Lua
103 lines
3.4 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 pcall = pcall
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local setmetatable = setmetatable
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local capi = { button = button }
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local util = require("awful.util")
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local imagebox = require("wibox.widget.imagebox")
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local textbox = require("wibox.widget.textbox")
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local common = {}
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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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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, 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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w:reset()
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for i, o in ipairs(objects) do
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local ib = wibox.widget.imagebox()
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local tb = wibox.widget.textbox()
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local bgb = wibox.widget.background()
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local m = wibox.layout.margin(tb, 4, 4)
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local l = wibox.layout.fixed.horizontal()
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-- All of this is added in a fixed widget
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l:fill_space(true)
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l:add(ib)
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l:add(m)
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-- And all of this gets a background
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bgb:set_widget(l)
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w:add(bgb)
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if buttons then
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-- Use a local variable so that the garbage collector doesn't strike
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-- between now and the :buttons() call.
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local btns = data[o]
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if not btns then
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btns = {}
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data[o] = btns
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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:connect_signal("press", function () b:emit_signal("press", o) end)
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btn:connect_signal("release", function () b:emit_signal("release", o) end)
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btns[#btns + 1] = btn
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end
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end
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bgb:buttons(btns)
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end
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local text, bg, bg_image, icon = label(o)
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-- The text might be invalid, so use pcall
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if not pcall(tb.set_markup, tb, text) then
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tb:set_markup("<i><Invalid text></i>")
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end
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bgb:set_bg(bg)
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bgb:set_bgimage(bg_image)
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ib:set_image(icon)
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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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