conky-config/drawing/System.lua

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local Widget = require 'Widget'
local Text = require 'Text'
local Line = require 'Line'
local TextColumn = require 'TextColumn'
local Util = require 'Util'
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local Patterns = require 'Patterns'
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 = Widget.Header{
x = _G_INIT_DATA_.LEFT_X,
y = _G_INIT_DATA_.TOP_Y,
width = _G_INIT_DATA_.SECTION_WIDTH,
header = 'SYSTEM'
}
local labels = Widget.TextColumn{
x = _G_INIT_DATA_.LEFT_X,
y = header.bottom_y,
spacing = _TEXT_SPACING_,
'Kernel',
'Uptime',
'Last Upgrade',
'Last Sync'
}
local info = Widget.TextColumn{
x = _G_INIT_DATA_.LEFT_X + _G_INIT_DATA_.SECTION_WIDTH,
y = header.bottom_y,
spacing = _TEXT_SPACING_,
x_align = 'right',
text_color = Patterns.BLUE,
Util.conky('$kernel'),
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'<row2>',
'<row3>',
'<row4>'
}
Widget = nil
Patterns = nil
_TEXT_SPACING_ = nil
local draw = function(cr, current_interface, log_is_changed)
TextColumn.set(info, cr, 2, Util.conky('$uptime'))
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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
if current_interface == 0 then
Text.draw(header.text, cr)
Line.draw(header.underline, cr)
TextColumn.draw(labels, cr)
TextColumn.draw(info, cr)
end
end
return draw