conky-config/drawing/System.lua

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local M = {}
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local Text = require 'Text'
local Line = require 'Line'
local TextColumn = require 'TextColumn'
local Util = require 'Util'
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local __string_match = string.match
local _TEXT_SPACING_ = 20
local extract_date = function(cmd)
local yyyy, mm_dd = __string_match(Util.execute_cmd(cmd), '%[(%d-)%-(%d-%-%d-)%s')
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return mm_dd..'-'..yyyy
end
local header = _G_Widget_.Header{
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x = _G_INIT_DATA_.LEFT_X,
y = _G_INIT_DATA_.TOP_Y,
width = _G_INIT_DATA_.SECTION_WIDTH,
header = 'SYSTEM'
}
local labels = _G_Widget_.TextColumn{
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x = _G_INIT_DATA_.LEFT_X,
y = header.bottom_y,
spacing = _TEXT_SPACING_,
'Kernel',
'Uptime',
'Last Upgrade',
'Last Sync'
}
local info = _G_Widget_.TextColumn{
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x = _G_INIT_DATA_.LEFT_X + _G_INIT_DATA_.SECTION_WIDTH,
y = header.bottom_y,
spacing = _TEXT_SPACING_,
x_align = 'right',
text_color = _G_Patterns_.BLUE,
Util.conky('$kernel'),
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'<row2>',
'<row3>',
'<row4>'
}
_TEXT_SPACING_ = nil
local draw_static = function(cr)
Text.draw(header.text, cr)
Line.draw(header.underline, cr)
TextColumn.draw(labels, cr)
end
local draw_dynamic = function(cr, log_is_changed)
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TextColumn.set(info, cr, 2, Util.conky('$uptime'))
if log_is_changed then
TextColumn.set(info, cr, 3, extract_date("sed -n "..
"'/ starting full system upgrade/p' /var/log/pacman.log | tail -1"))
TextColumn.set(info, cr, 4, extract_date("sed -n "..
"'/ synchronizing package lists/p' /var/log/pacman.log | tail -1"))
end
TextColumn.draw(info, cr)
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end
M.draw_static = draw_static
M.draw_dynamic = draw_dynamic
return M