86 lines
2.8 KiB
Lua
86 lines
2.8 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 otable = require("otable")
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local ipairs = ipairs
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local capi = { widget = widget,
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button = button }
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--- Common widget code
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module("awful.widget.common")
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-- Private structures
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tagwidgets = otable()
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function list_update(w, buttons, label, data, widgets, 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) / 2
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-- Add more widgets
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if len < #objects then
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for i = len * 2 + 1, #objects * 2, 2 do
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local ib = capi.widget({ type = "imagebox", align = widgets.imagebox.align })
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local tb = capi.widget({ type = "textbox", align = widgets.textbox.align })
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w[i] = ib
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w[i + 1] = tb
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w[i + 1]:margin({ left = widgets.textbox.margin.left, right = widgets.textbox.margin.right })
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w[i + 1].bg_resize = widgets.textbox.bg_resize or false
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w[i + 1].bg_align = widgets.textbox.bg_align or ""
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if type(objects[math.floor(i / 2) + 1]) == "tag" then
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tagwidgets[ib] = objects[math.floor(i / 2) + 1]
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tagwidgets[tb] = objects[math.floor(i / 2) + 1]
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end
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end
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-- Remove widgets
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elseif len > #objects then
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for i = #objects * 2 + 1, len * 2, 2 do
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w[i] = nil
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w[i + 1] = nil
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end
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end
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-- update widgets text
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for k = 1, #objects * 2, 2 do
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local o = objects[(k + 1) / 2]
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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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-- Replace press function by a new one calling with object as
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-- argument
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for kb, b in ipairs(buttons) do
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-- Copy object
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data[o][kb] = capi.button(b)
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data[o][kb].press = function () b.press(o) end
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end
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end
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w[k]:buttons(data[o])
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w[k + 1]:buttons(data[o])
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end
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local text, bg, bg_image, icon = label(o)
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w[k + 1].text, w[k + 1].bg, w[k + 1].bg_image = text, bg, bg_image
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w[k].bg, w[k].image = bg, icon
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if not w[k + 1].text then
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w[k+1].visible = false
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else
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w[k+1].visible = true
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end
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if not w[k].image then
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w[k].visible = false
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else
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w[k].visible = true
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end
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end
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end
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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